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Replace ESPAsyncWebServer library

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Daniel Öster 2025-01-11 12:04:47 +02:00
parent 7fadcdfbdb
commit 1613b52d5f
53 changed files with 8017 additions and 7291 deletions
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2
README.md
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@ -86,7 +86,7 @@ This code uses the following excellent libraries:
- [knolleary/pubsubclient](https://github.com/knolleary/pubsubclient) MIT-License
- [mackelec/SerialDataLink](https://github.com/mackelec/SerialDataLink)
- [me-no-dev/AsyncTCP](https://github.com/me-no-dev/AsyncTCP) LGPL-3.0 license
- [me-no-dev/ESPAsyncWebServer](https://github.com/me-no-dev/ESPAsyncWebServer)
- [mathieucarbou/ESPAsyncWebServer](https://github.com/mathieucarbou/ESPAsyncWebServer) LGPL-3.0 license
- [miwagner/ESP32-Arduino-CAN](https://github.com/miwagner/ESP32-Arduino-CAN/) MIT-License
- [pierremolinaro/acan2515](https://github.com/pierremolinaro/acan2515) MIT-License
- [pierremolinaro/acan2517FD](https://github.com/pierremolinaro/acan2517FD) MIT-License

2
Software/src/communication/can/comm_can.h
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@ -6,7 +6,7 @@
#include "../../datalayer/datalayer.h"
#include "../../devboard/utils/events.h"
#include "../../devboard/utils/value_mapping.h"
#include "../../lib/me-no-dev-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#include "../../lib/mathieucarbou-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#include "../../lib/miwagner-ESP32-Arduino-CAN/ESP32CAN.h"
#ifdef CAN_ADDON
#include "../../lib/pierremolinaro-acan2515/ACAN2515.h"

2
Software/src/devboard/webserver/webserver.h
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@ -6,8 +6,8 @@
#include "../../include.h"
#include "../../lib/YiannisBourkelis-Uptime-Library/src/uptime_formatter.h"
#include "../../lib/ayushsharma82-ElegantOTA/src/ElegantOTA.h"
#include "../../lib/mathieucarbou-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#include "../../lib/me-no-dev-AsyncTCP/src/AsyncTCP.h"
#include "../../lib/me-no-dev-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#include "../../lib/miwagner-ESP32-Arduino-CAN/ESP32CAN.h"
extern const char* version_number; // The current software version, shown on webserver

2
Software/src/lib/ayushsharma82-ElegantOTA/src/ElegantOTA.h
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@ -65,7 +65,7 @@ _____ _ _ ___ _____ _
#include "StreamString.h"
#if ELEGANTOTA_USE_ASYNC_WEBSERVER == 1
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#include "../../me-no-dev-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#include "../../mathieucarbou-ESPAsyncWebServer/src/ESPAsyncWebServer.h"
#define ELEGANTOTA_WEBSERVER AsyncWebServer
#else
#include "WiFi.h"

17
Software/src/lib/mathieucarbou-ESPAsyncWebServer/CMakeLists.txt Normal file
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@ -0,0 +1,17 @@
set(COMPONENT_SRCDIRS
"src"
)
set(COMPONENT_ADD_INCLUDEDIRS
"src"
)
set(COMPONENT_REQUIRES
"arduino-esp32"
"AsyncTCP"
)
register_component()
target_compile_definitions(${COMPONENT_TARGET} PUBLIC -DESP32)
target_compile_options(${COMPONENT_TARGET} PRIVATE -fno-rtti)

165
Software/src/lib/mathieucarbou-ESPAsyncWebServer/LICENSE Normal file
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@ -0,0 +1,165 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.
A "Combined Work" is a work produced by combining or linking an
Application with the Library. The particular version of the Library
with which the Combined Work was made is also called the "Linked
Version".
The "Minimal Corresponding Source" for a Combined Work means the
Corresponding Source for the Combined Work, excluding any source code
for portions of the Combined Work that, considered in isolation, are
based on the Application, and not on the Linked Version.
The "Corresponding Application Code" for a Combined Work means the
object code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from the
Application, but excluding the System Libraries of the Combined Work.
1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
facility refers to a function or data to be supplied by an Application
that uses the facility (other than as an argument passed when the
facility is invoked), then you may convey a copy of the modified
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a) under this License, provided that you make a good faith effort to
ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
this License applicable to that copy.
3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
a header file that is part of the Library. You may convey such object
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4. Combined Works.
You may convey a Combined Work under terms of your choice that,
taken together, effectively do not restrict modification of the
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for conveying Corresponding Source.)
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You may place library facilities that are a work based on the
Library side by side in a single library together with other library
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b) Give prominent notice with the combined library that part of it
is a work based on the Library, and explaining where to find the
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6. Revised Versions of the GNU Lesser General Public License.
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Library.

959
Software/src/lib/me-no-dev-ESPAsyncWebServer/README.md → Software/src/lib/mathieucarbou-ESPAsyncWebServer/README.md
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File diff suppressed because it is too large Load diff

65
Software/src/lib/mathieucarbou-ESPAsyncWebServer/library.json Normal file
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@ -0,0 +1,65 @@
{
"name": "ESPAsyncWebServer",
"version": "3.6.0",
"description": "Asynchronous HTTP and WebSocket Server Library for ESP32, ESP8266 and RP2040. Supports: WebSocket, SSE, Authentication, Arduino Json 7, File Upload, Static File serving, URL Rewrite, URL Redirect, etc.",
"keywords": "http,async,websocket,webserver",
"homepage": "https://github.com/mathieucarbou/ESPAsyncWebServer",
"repository": {
"type": "git",
"url": "https://github.com/mathieucarbou/ESPAsyncWebServer.git"
},
"authors": [
{
"name": "Hristo Gochkov"
},
{
"name": "Mathieu Carbou",
"maintainer": true
},
{
"name": "Emil Muratov",
"maintainer": true
}
],
"license": "LGPL-3.0",
"frameworks": "arduino",
"platforms": [
"espressif32",
"espressif8266",
"raspberrypi"
],
"dependencies": [
{
"owner": "mathieucarbou",
"name": "AsyncTCP",
"version": "^3.3.2",
"platforms": "espressif32"
},
{
"owner": "esphome",
"name": "ESPAsyncTCP-esphome",
"version": "^2.0.0",
"platforms": "espressif8266"
},
{
"name": "Hash",
"platforms": "espressif8266"
},
{
"owner": "khoih-prog",
"name": "AsyncTCP_RP2040W",
"version": "^1.2.0",
"platforms": "raspberrypi"
}
],
"export": {
"include": [
"examples",
"src",
"library.json",
"library.properties",
"LICENSE",
"README.md"
]
}
}

11
Software/src/lib/mathieucarbou-ESPAsyncWebServer/library.properties Normal file
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@ -0,0 +1,11 @@
name=ESP Async WebServer
includes=ESPAsyncWebServer.h
version=3.6.0
author=Me-No-Dev
maintainer=Mathieu Carbou <mathieu.carbou@gmail.com>
sentence=Asynchronous HTTP and WebSocket Server Library for ESP32, ESP8266 and RP2040
paragraph=Supports: WebSocket, SSE, Authentication, Arduino Json 7, File Upload, Static File serving, URL Rewrite, URL Redirect, etc
category=Other
url=https://github.com/mathieucarbou/ESPAsyncWebServer
architectures=*
license=LGPL-3.0

435
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/AsyncEventSource.cpp Normal file
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@ -0,0 +1,435 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Arduino.h"
#include <rom/ets_sys.h>
#include "AsyncEventSource.h"
#define ASYNC_SSE_NEW_LINE_CHAR (char)0xa
using namespace asyncsrv;
static String generateEventMessage(const char* message, const char* event, uint32_t id, uint32_t reconnect) {
String str;
size_t len{0};
if (message)
len += strlen(message);
if (event)
len += strlen(event);
len += 42; // give it some overhead
str.reserve(len);
if (reconnect) {
str += T_retry_;
str += reconnect;
str += ASYNC_SSE_NEW_LINE_CHAR; // '\n'
}
if (id) {
str += T_id__;
str += id;
str += ASYNC_SSE_NEW_LINE_CHAR; // '\n'
}
if (event != NULL) {
str += T_event_;
str += event;
str += ASYNC_SSE_NEW_LINE_CHAR; // '\n'
}
if (!message)
return str;
size_t messageLen = strlen(message);
char* lineStart = (char*)message;
char* lineEnd;
do {
char* nextN = strchr(lineStart, '\n');
char* nextR = strchr(lineStart, '\r');
if (nextN == NULL && nextR == NULL) {
// a message is a single-line string
str += T_data_;
str += message;
str += T_nn;
return str;
}
// a message is a multi-line string
char* nextLine = NULL;
if (nextN != NULL && nextR != NULL) { // windows line-ending \r\n
if (nextR + 1 == nextN) {
// normal \r\n sequense
lineEnd = nextR;
nextLine = nextN + 1;
} else {
// some abnormal \n \r mixed sequence
lineEnd = std::min(nextR, nextN);
nextLine = lineEnd + 1;
}
} else if (nextN != NULL) { // Unix/Mac OS X LF
lineEnd = nextN;
nextLine = nextN + 1;
} else { // some ancient garbage
lineEnd = nextR;
nextLine = nextR + 1;
}
str += T_data_;
str.concat(lineStart, lineEnd - lineStart);
str += ASYNC_SSE_NEW_LINE_CHAR; // \n
lineStart = nextLine;
} while (lineStart < ((char*)message + messageLen));
// append another \n to terminate message
str += ASYNC_SSE_NEW_LINE_CHAR; // '\n'
return str;
}
// Message
size_t AsyncEventSourceMessage::ack(size_t len, __attribute__((unused)) uint32_t time) {
// If the whole message is now acked...
if (_acked + len > _data->length()) {
// Return the number of extra bytes acked (they will be carried on to the next message)
const size_t extra = _acked + len - _data->length();
_acked = _data->length();
return extra;
}
// Return that no extra bytes left.
_acked += len;
return 0;
}
size_t AsyncEventSourceMessage::write(AsyncClient* client) {
if (!client)
return 0;
if (_sent >= _data->length() || !client->canSend()) {
return 0;
}
size_t len = std::min(_data->length() - _sent, client->space());
/*
add() would call lwip's tcp_write() under the AsyncTCP hood with apiflags argument.
By default apiflags=ASYNC_WRITE_FLAG_COPY
we could have used apiflags with this flag unset to pass data by reference and avoid copy to socket buffer,
but looks like it does not work for Arduino's lwip in ESP32/IDF
it is enforced in https://github.com/espressif/esp-lwip/blob/0606eed9d8b98a797514fdf6eabb4daf1c8c8cd9/src/core/tcp_out.c#L422C5-L422C30
if LWIP_NETIF_TX_SINGLE_PBUF is set, and it is set indeed in IDF
https://github.com/espressif/esp-idf/blob/a0f798cfc4bbd624aab52b2c194d219e242d80c1/components/lwip/port/include/lwipopts.h#L744
So let's just keep it enforced ASYNC_WRITE_FLAG_COPY and keep in mind that there is no zero-copy
*/
size_t written = client->add(_data->c_str() + _sent, len, ASYNC_WRITE_FLAG_COPY); // ASYNC_WRITE_FLAG_MORE
_sent += written;
return written;
}
size_t AsyncEventSourceMessage::send(AsyncClient* client) {
size_t sent = write(client);
return sent && client->send() ? sent : 0;
}
// Client
AsyncEventSourceClient::AsyncEventSourceClient(AsyncWebServerRequest* request, AsyncEventSource* server)
: _client(request->client()), _server(server) {
if (request->hasHeader(T_Last_Event_ID))
_lastId = atoi(request->getHeader(T_Last_Event_ID)->value().c_str());
_client->setRxTimeout(0);
_client->onError(NULL, NULL);
_client->onAck([](void* r, AsyncClient* c, size_t len, uint32_t time) { (void)c; static_cast<AsyncEventSourceClient*>(r)->_onAck(len, time); }, this);
_client->onPoll([](void* r, AsyncClient* c) { (void)c; static_cast<AsyncEventSourceClient*>(r)->_onPoll(); }, this);
_client->onData(NULL, NULL);
_client->onTimeout([this](void* r, AsyncClient* c __attribute__((unused)), uint32_t time) { static_cast<AsyncEventSourceClient*>(r)->_onTimeout(time); }, this);
_client->onDisconnect([this](void* r, AsyncClient* c) { static_cast<AsyncEventSourceClient*>(r)->_onDisconnect(); delete c; }, this);
_server->_addClient(this);
delete request;
_client->setNoDelay(true);
}
AsyncEventSourceClient::~AsyncEventSourceClient() {
std::lock_guard<std::mutex> lock(_lockmq);
_messageQueue.clear();
close();
}
bool AsyncEventSourceClient::_queueMessage(const char* message, size_t len) {
if (_messageQueue.size() >= SSE_MAX_QUEUED_MESSAGES) {
log_e("Event message queue overflow: discard message");
return false;
}
// length() is not thread-safe, thus acquiring the lock before this call..
std::lock_guard<std::mutex> lock(_lockmq);
_messageQueue.emplace_back(message, len);
/*
throttle queue run
if Q is filled for >25% then network/CPU is congested, since there is no zero-copy mode for socket buff
forcing Q run will only eat more heap ram and blow the buffer, let's just keep data in our own queue
the queue will be processed at least on each onAck()/onPoll() call from AsyncTCP
*/
if (_messageQueue.size() < SSE_MAX_QUEUED_MESSAGES >> 2 && _client->canSend()) {
_runQueue();
}
return true;
}
bool AsyncEventSourceClient::_queueMessage(AsyncEvent_SharedData_t&& msg) {
if (_messageQueue.size() >= SSE_MAX_QUEUED_MESSAGES) {
log_e("Event message queue overflow: discard message");
return false;
}
// length() is not thread-safe, thus acquiring the lock before this call..
std::lock_guard<std::mutex> lock(_lockmq);
_messageQueue.emplace_back(std::move(msg));
/*
throttle queue run
if Q is filled for >25% then network/CPU is congested, since there is no zero-copy mode for socket buff
forcing Q run will only eat more heap ram and blow the buffer, let's just keep data in our own queue
the queue will be processed at least on each onAck()/onPoll() call from AsyncTCP
*/
if (_messageQueue.size() < SSE_MAX_QUEUED_MESSAGES >> 2 && _client->canSend()) {
_runQueue();
}
return true;
}
void AsyncEventSourceClient::_onAck(size_t len __attribute__((unused)), uint32_t time __attribute__((unused))) {
// Same here, acquiring the lock early
std::lock_guard<std::mutex> lock(_lockmq);
// adjust in-flight len
if (len < _inflight)
_inflight -= len;
else
_inflight = 0;
// acknowledge as much messages's data as we got confirmed len from a AsyncTCP
while (len && _messageQueue.size()) {
len = _messageQueue.front().ack(len);
if (_messageQueue.front().finished()) {
// now we could release full ack'ed messages, we were keeping it unless send confirmed from AsyncTCP
_messageQueue.pop_front();
}
}
// try to send another batch of data
if (_messageQueue.size())
_runQueue();
}
void AsyncEventSourceClient::_onPoll() {
if (_messageQueue.size()) {
// Same here, acquiring the lock early
std::lock_guard<std::mutex> lock(_lockmq);
_runQueue();
}
}
void AsyncEventSourceClient::_onTimeout(uint32_t time __attribute__((unused))) {
if (_client)
_client->close(true);
}
void AsyncEventSourceClient::_onDisconnect() {
if (!_client)
return;
_client = nullptr;
_server->_handleDisconnect(this);
}
void AsyncEventSourceClient::close() {
if (_client)
_client->close();
}
bool AsyncEventSourceClient::send(const char* message, const char* event, uint32_t id, uint32_t reconnect) {
if (!connected())
return false;
return _queueMessage(std::make_shared<String>(generateEventMessage(message, event, id, reconnect)));
}
void AsyncEventSourceClient::_runQueue() {
if (!_client)
return;
// there is no need to lock the mutex here, 'cause all the calls to this method must be already lock'ed
size_t total_bytes_written = 0;
for (auto i = _messageQueue.begin(); i != _messageQueue.end(); ++i) {
if (!i->sent()) {
const size_t bytes_written = i->write(_client);
total_bytes_written += bytes_written;
_inflight += bytes_written;
if (bytes_written == 0 || _inflight > _max_inflight) {
// Serial.print("_");
break;
}
}
}
// flush socket
if (total_bytes_written)
_client->send();
}
void AsyncEventSourceClient::set_max_inflight_bytes(size_t value) {
if (value >= SSE_MIN_INFLIGH && value <= SSE_MAX_INFLIGH)
_max_inflight = value;
}
/* AsyncEventSource */
void AsyncEventSource::authorizeConnect(ArAuthorizeConnectHandler cb) {
AsyncAuthorizationMiddleware* m = new AsyncAuthorizationMiddleware(401, cb);
m->_freeOnRemoval = true;
addMiddleware(m);
}
void AsyncEventSource::_addClient(AsyncEventSourceClient* client) {
if (!client)
return;
std::lock_guard<std::mutex> lock(_client_queue_lock);
_clients.emplace_back(client);
if (_connectcb)
_connectcb(client);
_adjust_inflight_window();
}
void AsyncEventSource::_handleDisconnect(AsyncEventSourceClient* client) {
if (_disconnectcb)
_disconnectcb(client);
std::lock_guard<std::mutex> lock(_client_queue_lock);
for (auto i = _clients.begin(); i != _clients.end(); ++i) {
if (i->get() == client)
_clients.erase(i);
}
_adjust_inflight_window();
}
void AsyncEventSource::close() {
// While the whole loop is not done, the linked list is locked and so the
// iterator should remain valid even when AsyncEventSource::_handleDisconnect()
// is called very early
std::lock_guard<std::mutex> lock(_client_queue_lock);
for (const auto& c : _clients) {
if (c->connected())
c->close();
}
}
// pmb fix
size_t AsyncEventSource::avgPacketsWaiting() const {
size_t aql = 0;
uint32_t nConnectedClients = 0;
std::lock_guard<std::mutex> lock(_client_queue_lock);
if (!_clients.size())
return 0;
for (const auto& c : _clients) {
if (c->connected()) {
aql += c->packetsWaiting();
++nConnectedClients;
}
}
return ((aql) + (nConnectedClients / 2)) / (nConnectedClients); // round up
}
AsyncEventSource::SendStatus AsyncEventSource::send(
const char* message, const char* event, uint32_t id, uint32_t reconnect) {
AsyncEvent_SharedData_t shared_msg = std::make_shared<String>(generateEventMessage(message, event, id, reconnect));
std::lock_guard<std::mutex> lock(_client_queue_lock);
size_t hits = 0;
size_t miss = 0;
for (const auto& c : _clients) {
if (c->write(shared_msg))
++hits;
else
++miss;
}
return hits == 0 ? DISCARDED : (miss == 0 ? ENQUEUED : PARTIALLY_ENQUEUED);
}
size_t AsyncEventSource::count() const {
std::lock_guard<std::mutex> lock(_client_queue_lock);
size_t n_clients{0};
for (const auto& i : _clients)
if (i->connected())
++n_clients;
return n_clients;
}
bool AsyncEventSource::canHandle(AsyncWebServerRequest* request) const {
return request->isSSE() && request->url().equals(_url);
}
void AsyncEventSource::handleRequest(AsyncWebServerRequest* request) {
request->send(new AsyncEventSourceResponse(this));
}
void AsyncEventSource::_adjust_inflight_window() {
if (_clients.size()) {
size_t inflight = SSE_MAX_INFLIGH / _clients.size();
for (const auto& c : _clients)
c->set_max_inflight_bytes(inflight);
// Serial.printf("adjusted inflight to: %u\n", inflight);
}
}
/* Response */
AsyncEventSourceResponse::AsyncEventSourceResponse(AsyncEventSource* server) {
_server = server;
_code = 200;
_contentType = T_text_event_stream;
_sendContentLength = false;
addHeader(T_Cache_Control, T_no_cache);
addHeader(T_Connection, T_keep_alive);
}
void AsyncEventSourceResponse::_respond(AsyncWebServerRequest* request) {
String out;
_assembleHead(out, request->version());
request->client()->write(out.c_str(), _headLength);
_state = RESPONSE_WAIT_ACK;
}
size_t AsyncEventSourceResponse::_ack(AsyncWebServerRequest* request, size_t len, uint32_t time __attribute__((unused))) {
if (len) {
new AsyncEventSourceClient(request, _server);
}
return 0;
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCEVENTSOURCE_H_
#define ASYNCEVENTSOURCE_H_
#include <Arduino.h>
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#include <mutex>
#ifndef SSE_MAX_QUEUED_MESSAGES
#define SSE_MAX_QUEUED_MESSAGES 32
#endif
#define SSE_MIN_INFLIGH 2 * 1460 // allow 2 MSS packets
#define SSE_MAX_INFLIGH 16 * 1024 // but no more than 16k, no need to blow it, since same data is kept in local Q
#include "ESPAsyncWebServer.h"
class AsyncEventSource;
class AsyncEventSourceResponse;
class AsyncEventSourceClient;
using ArEventHandlerFunction = std::function<void(AsyncEventSourceClient* client)>;
using ArAuthorizeConnectHandler = ArAuthorizeFunction;
// shared message object container
using AsyncEvent_SharedData_t = std::shared_ptr<String>;
/**
* @brief Async Event Message container with shared message content data
*
*/
class AsyncEventSourceMessage {
private:
const AsyncEvent_SharedData_t _data;
size_t _sent{0}; // num of bytes already sent
size_t _acked{0}; // num of bytes acked
public:
AsyncEventSourceMessage(AsyncEvent_SharedData_t data) : _data(data) {};
AsyncEventSourceMessage(const char* data, size_t len) : _data(std::make_shared<String>(data, len)) {};
/**
* @brief acknowledge sending len bytes of data
* @note if num of bytes to ack is larger then the unacknowledged message length the number of carried over bytes are returned
*
* @param len bytes to acknowlegde
* @param time
* @return size_t number of extra bytes carried over
*/
size_t ack(size_t len, uint32_t time = 0);
/**
* @brief write message data to client's buffer
* @note this method does NOT call client's send
*
* @param client
* @return size_t number of bytes written
*/
size_t write(AsyncClient* client);
/**
* @brief writes message data to client's buffer and calls client's send method
*
* @param client
* @return size_t returns num of bytes the clien was able to send()
*/
size_t send(AsyncClient* client);
// returns true if full message's length were acked
bool finished() { return _acked == _data->length(); }
/**
* @brief returns true if all data has been sent already
*
*/
bool sent() { return _sent == _data->length(); }
};
/**
* @brief class holds a sse messages queue for a particular client's connection
*
*/
class AsyncEventSourceClient {
private:
AsyncClient* _client;
AsyncEventSource* _server;
uint32_t _lastId{0};
size_t _inflight{0}; // num of unacknowledged bytes that has been written to socket buffer
size_t _max_inflight{SSE_MAX_INFLIGH}; // max num of unacknowledged bytes that could be written to socket buffer
std::list<AsyncEventSourceMessage> _messageQueue;
mutable std::mutex _lockmq;
bool _queueMessage(const char* message, size_t len);
bool _queueMessage(AsyncEvent_SharedData_t&& msg);
void _runQueue();
public:
AsyncEventSourceClient(AsyncWebServerRequest* request, AsyncEventSource* server);
~AsyncEventSourceClient();
/**
* @brief Send an SSE message to client
* it will craft an SSE message and place it to client's message queue
*
* @param message body string, could be single or multi-line string sepprated by \n, \r, \r\n
* @param event body string, a sinle line string
* @param id sequence id
* @param reconnect client's reconnect timeout
* @return true if message was placed in a queue
* @return false if queue is full
*/
bool send(const char* message, const char* event = NULL, uint32_t id = 0, uint32_t reconnect = 0);
bool send(const String& message, const String& event, uint32_t id = 0, uint32_t reconnect = 0) { return send(message.c_str(), event.c_str(), id, reconnect); }
bool send(const String& message, const char* event, uint32_t id = 0, uint32_t reconnect = 0) { return send(message.c_str(), event, id, reconnect); }
/**
* @brief place supplied preformatted SSE message to the message queue
* @note message must a properly formatted SSE string according to https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events
*
* @param message data
* @return true on success
* @return false on queue overflow or no client connected
*/
bool write(AsyncEvent_SharedData_t message) { return connected() && _queueMessage(std::move(message)); };
[[deprecated("Use _write(AsyncEvent_SharedData_t message) instead to share same data with multiple SSE clients")]]
bool write(const char* message, size_t len) { return connected() && _queueMessage(message, len); };
// close client's connection
void close();
// getters
AsyncClient* client() { return _client; }
bool connected() const { return _client && _client->connected(); }
uint32_t lastId() const { return _lastId; }
size_t packetsWaiting() const { return _messageQueue.size(); };
/**
* @brief Sets max amount of bytes that could be written to client's socket while awaiting delivery acknowledge
* used to throttle message delivery length to tradeoff memory consumption
* @note actual amount of data written could possible be a bit larger but no more than available socket buff space
*
* @param value
*/
void set_max_inflight_bytes(size_t value);
/**
* @brief Get current max inflight bytes value
*
* @return size_t
*/
size_t get_max_inflight_bytes() const { return _max_inflight; }
// system callbacks (do not call if from user code!)
void _onAck(size_t len, uint32_t time);
void _onPoll();
void _onTimeout(uint32_t time);
void _onDisconnect();
};
/**
* @brief a class that maintains all connected HTTP clients subscribed to SSE delivery
* dispatches supplied messages to the client's queues
*
*/
class AsyncEventSource : public AsyncWebHandler {
private:
String _url;
std::list<std::unique_ptr<AsyncEventSourceClient>> _clients;
// Same as for individual messages, protect mutations of _clients list
// since simultaneous access from different tasks is possible
mutable std::mutex _client_queue_lock;
ArEventHandlerFunction _connectcb = nullptr;
ArEventHandlerFunction _disconnectcb = nullptr;
// this method manipulates in-fligh data size for connected client depending on number of active connections
void _adjust_inflight_window();
public:
typedef enum {
DISCARDED = 0,
ENQUEUED = 1,
PARTIALLY_ENQUEUED = 2,
} SendStatus;
AsyncEventSource(const char* url) : _url(url) {};
AsyncEventSource(const String& url) : _url(url) {};
~AsyncEventSource() { close(); };
const char* url() const { return _url.c_str(); }
// close all connected clients
void close();
/**
* @brief set on-connect callback for the client
* used to deliver messages to client on first connect
*
* @param cb
*/
void onConnect(ArEventHandlerFunction cb) { _connectcb = cb; }
/**
* @brief Send an SSE message to client
* it will craft an SSE message and place it to all connected client's message queues
*
* @param message body string, could be single or multi-line string sepprated by \n, \r, \r\n
* @param event body string, a sinle line string
* @param id sequence id
* @param reconnect client's reconnect timeout
* @return SendStatus if message was placed in any/all/part of the client's queues
*/
SendStatus send(const char* message, const char* event = NULL, uint32_t id = 0, uint32_t reconnect = 0);
SendStatus send(const String& message, const String& event, uint32_t id = 0, uint32_t reconnect = 0) { return send(message.c_str(), event.c_str(), id, reconnect); }
SendStatus send(const String& message, const char* event, uint32_t id = 0, uint32_t reconnect = 0) { return send(message.c_str(), event, id, reconnect); }
// The client pointer sent to the callback is only for reference purposes. DO NOT CALL ANY METHOD ON IT !
void onDisconnect(ArEventHandlerFunction cb) { _disconnectcb = cb; }
void authorizeConnect(ArAuthorizeConnectHandler cb);
// returns number of connected clients
size_t count() const;
// returns average number of messages pending in all client's queues
size_t avgPacketsWaiting() const;
// system callbacks (do not call from user code!)
void _addClient(AsyncEventSourceClient* client);
void _handleDisconnect(AsyncEventSourceClient* client);
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
};
class AsyncEventSourceResponse : public AsyncWebServerResponse {
private:
AsyncEventSource* _server;
public:
AsyncEventSourceResponse(AsyncEventSource* server);
void _respond(AsyncWebServerRequest* request);
size_t _ack(AsyncWebServerRequest* request, size_t len, uint32_t time);
bool _sourceValid() const { return true; }
};
#endif /* ASYNCEVENTSOURCE_H_ */

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#include "AsyncJson.h"
#if ASYNC_JSON_SUPPORT == 1
#if ARDUINOJSON_VERSION_MAJOR == 5
AsyncJsonResponse::AsyncJsonResponse(bool isArray) : _isValid{false} {
_code = 200;
_contentType = asyncsrv::T_application_json;
if (isArray)
_root = _jsonBuffer.createArray();
else
_root = _jsonBuffer.createObject();
}
#elif ARDUINOJSON_VERSION_MAJOR == 6
AsyncJsonResponse::AsyncJsonResponse(bool isArray, size_t maxJsonBufferSize) : _jsonBuffer(maxJsonBufferSize), _isValid{false} {
_code = 200;
_contentType = asyncsrv::T_application_json;
if (isArray)
_root = _jsonBuffer.createNestedArray();
else
_root = _jsonBuffer.createNestedObject();
}
#else
AsyncJsonResponse::AsyncJsonResponse(bool isArray) : _isValid{false} {
_code = 200;
_contentType = asyncsrv::T_application_json;
if (isArray)
_root = _jsonBuffer.add<JsonArray>();
else
_root = _jsonBuffer.add<JsonObject>();
}
#endif
size_t AsyncJsonResponse::setLength() {
#if ARDUINOJSON_VERSION_MAJOR == 5
_contentLength = _root.measureLength();
#else
_contentLength = measureJson(_root);
#endif
if (_contentLength) {
_isValid = true;
}
return _contentLength;
}
size_t AsyncJsonResponse::_fillBuffer(uint8_t* data, size_t len) {
ChunkPrint dest(data, _sentLength, len);
#if ARDUINOJSON_VERSION_MAJOR == 5
_root.printTo(dest);
#else
serializeJson(_root, dest);
#endif
return len;
}
#if ARDUINOJSON_VERSION_MAJOR == 6
PrettyAsyncJsonResponse::PrettyAsyncJsonResponse(bool isArray, size_t maxJsonBufferSize) : AsyncJsonResponse{isArray, maxJsonBufferSize} {}
#else
PrettyAsyncJsonResponse::PrettyAsyncJsonResponse(bool isArray) : AsyncJsonResponse{isArray} {}
#endif
size_t PrettyAsyncJsonResponse::setLength() {
#if ARDUINOJSON_VERSION_MAJOR == 5
_contentLength = _root.measurePrettyLength();
#else
_contentLength = measureJsonPretty(_root);
#endif
if (_contentLength) {
_isValid = true;
}
return _contentLength;
}
size_t PrettyAsyncJsonResponse::_fillBuffer(uint8_t* data, size_t len) {
ChunkPrint dest(data, _sentLength, len);
#if ARDUINOJSON_VERSION_MAJOR == 5
_root.prettyPrintTo(dest);
#else
serializeJsonPretty(_root, dest);
#endif
return len;
}
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncCallbackJsonWebHandler::AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest, size_t maxJsonBufferSize)
: _uri(uri), _method(HTTP_GET | HTTP_POST | HTTP_PUT | HTTP_PATCH), _onRequest(onRequest), maxJsonBufferSize(maxJsonBufferSize), _maxContentLength(16384) {}
#else
AsyncCallbackJsonWebHandler::AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest)
: _uri(uri), _method(HTTP_GET | HTTP_POST | HTTP_PUT | HTTP_PATCH), _onRequest(onRequest), _maxContentLength(16384) {}
#endif
bool AsyncCallbackJsonWebHandler::canHandle(AsyncWebServerRequest* request) const {
if (!_onRequest || !request->isHTTP() || !(_method & request->method()))
return false;
if (_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri + "/")))
return false;
if (request->method() != HTTP_GET && !request->contentType().equalsIgnoreCase(asyncsrv::T_application_json))
return false;
return true;
}
void AsyncCallbackJsonWebHandler::handleRequest(AsyncWebServerRequest* request) {
if (_onRequest) {
if (request->method() == HTTP_GET) {
JsonVariant json;
_onRequest(request, json);
return;
} else if (request->_tempObject != NULL) {
#if ARDUINOJSON_VERSION_MAJOR == 5
DynamicJsonBuffer jsonBuffer;
JsonVariant json = jsonBuffer.parse((uint8_t*)(request->_tempObject));
if (json.success()) {
#elif ARDUINOJSON_VERSION_MAJOR == 6
DynamicJsonDocument jsonBuffer(this->maxJsonBufferSize);
DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject));
if (!error) {
JsonVariant json = jsonBuffer.as<JsonVariant>();
#else
JsonDocument jsonBuffer;
DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject));
if (!error) {
JsonVariant json = jsonBuffer.as<JsonVariant>();
#endif
_onRequest(request, json);
return;
}
}
request->send(_contentLength > _maxContentLength ? 413 : 400);
} else {
request->send(500);
}
}
void AsyncCallbackJsonWebHandler::handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) {
if (_onRequest) {
_contentLength = total;
if (total > 0 && request->_tempObject == NULL && total < _maxContentLength) {
request->_tempObject = malloc(total);
}
if (request->_tempObject != NULL) {
memcpy((uint8_t*)(request->_tempObject) + index, data, len);
}
}
}
#endif // ASYNC_JSON_SUPPORT

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// AsyncJson.h
/*
Async Response to use with ArduinoJson and AsyncWebServer
Written by Andrew Melvin (SticilFace) with help from me-no-dev and BBlanchon.
Example of callback in use
server.on("/json", HTTP_ANY, [](AsyncWebServerRequest * request) {
AsyncJsonResponse * response = new AsyncJsonResponse();
JsonObject& root = response->getRoot();
root["key1"] = "key number one";
JsonObject& nested = root.createNestedObject("nested");
nested["key1"] = "key number one";
response->setLength();
request->send(response);
});
--------------------
Async Request to use with ArduinoJson and AsyncWebServer
Written by Arsène von Wyss (avonwyss)
Example
AsyncCallbackJsonWebHandler* handler = new AsyncCallbackJsonWebHandler("/rest/endpoint");
handler->onRequest([](AsyncWebServerRequest *request, JsonVariant &json) {
JsonObject jsonObj = json.as<JsonObject>();
// ...
});
server.addHandler(handler);
*/
#ifndef ASYNC_JSON_H_
#define ASYNC_JSON_H_
#if __has_include("ArduinoJson.h")
#include <ArduinoJson.h>
#if ARDUINOJSON_VERSION_MAJOR >= 5
#define ASYNC_JSON_SUPPORT 1
#else
#define ASYNC_JSON_SUPPORT 0
#endif // ARDUINOJSON_VERSION_MAJOR >= 5
#endif // __has_include("ArduinoJson.h")
#if ASYNC_JSON_SUPPORT == 1
#include <ESPAsyncWebServer.h>
#include "ChunkPrint.h"
#if ARDUINOJSON_VERSION_MAJOR == 6
#ifndef DYNAMIC_JSON_DOCUMENT_SIZE
#define DYNAMIC_JSON_DOCUMENT_SIZE 1024
#endif
#endif
class AsyncJsonResponse : public AsyncAbstractResponse {
protected:
#if ARDUINOJSON_VERSION_MAJOR == 5
DynamicJsonBuffer _jsonBuffer;
#elif ARDUINOJSON_VERSION_MAJOR == 6
DynamicJsonDocument _jsonBuffer;
#else
JsonDocument _jsonBuffer;
#endif
JsonVariant _root;
bool _isValid;
public:
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncJsonResponse(bool isArray = false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE);
#else
AsyncJsonResponse(bool isArray = false);
#endif
JsonVariant& getRoot() { return _root; }
bool _sourceValid() const { return _isValid; }
size_t setLength();
size_t getSize() const { return _jsonBuffer.size(); }
size_t _fillBuffer(uint8_t* data, size_t len);
#if ARDUINOJSON_VERSION_MAJOR >= 6
bool overflowed() const { return _jsonBuffer.overflowed(); }
#endif
};
class PrettyAsyncJsonResponse : public AsyncJsonResponse {
public:
#if ARDUINOJSON_VERSION_MAJOR == 6
PrettyAsyncJsonResponse(bool isArray = false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE);
#else
PrettyAsyncJsonResponse(bool isArray = false);
#endif
size_t setLength();
size_t _fillBuffer(uint8_t* data, size_t len);
};
typedef std::function<void(AsyncWebServerRequest* request, JsonVariant& json)> ArJsonRequestHandlerFunction;
class AsyncCallbackJsonWebHandler : public AsyncWebHandler {
protected:
String _uri;
WebRequestMethodComposite _method;
ArJsonRequestHandlerFunction _onRequest;
size_t _contentLength;
#if ARDUINOJSON_VERSION_MAJOR == 6
size_t maxJsonBufferSize;
#endif
size_t _maxContentLength;
public:
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest = nullptr, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE);
#else
AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest = nullptr);
#endif
void setMethod(WebRequestMethodComposite method) { _method = method; }
void setMaxContentLength(int maxContentLength) { _maxContentLength = maxContentLength; }
void onRequest(ArJsonRequestHandlerFunction fn) { _onRequest = fn; }
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
void handleUpload(__unused AsyncWebServerRequest* request, __unused const String& filename, __unused size_t index, __unused uint8_t* data, __unused size_t len, __unused bool final) override final {}
void handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) override final;
bool isRequestHandlerTrivial() const override final { return !_onRequest; }
};
#endif // ASYNC_JSON_SUPPORT == 1
#endif // ASYNC_JSON_H_

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#include "AsyncMessagePack.h"
#if ASYNC_MSG_PACK_SUPPORT == 1
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncMessagePackResponse::AsyncMessagePackResponse(bool isArray, size_t maxJsonBufferSize) : _jsonBuffer(maxJsonBufferSize), _isValid{false} {
_code = 200;
_contentType = asyncsrv::T_application_msgpack;
if (isArray)
_root = _jsonBuffer.createNestedArray();
else
_root = _jsonBuffer.createNestedObject();
}
#else
AsyncMessagePackResponse::AsyncMessagePackResponse(bool isArray) : _isValid{false} {
_code = 200;
_contentType = asyncsrv::T_application_msgpack;
if (isArray)
_root = _jsonBuffer.add<JsonArray>();
else
_root = _jsonBuffer.add<JsonObject>();
}
#endif
size_t AsyncMessagePackResponse::setLength() {
_contentLength = measureMsgPack(_root);
if (_contentLength) {
_isValid = true;
}
return _contentLength;
}
size_t AsyncMessagePackResponse::_fillBuffer(uint8_t* data, size_t len) {
ChunkPrint dest(data, _sentLength, len);
serializeMsgPack(_root, dest);
return len;
}
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncCallbackMessagePackWebHandler::AsyncCallbackMessagePackWebHandler(const String& uri, ArMessagePackRequestHandlerFunction onRequest, size_t maxJsonBufferSize)
: _uri(uri), _method(HTTP_GET | HTTP_POST | HTTP_PUT | HTTP_PATCH), _onRequest(onRequest), maxJsonBufferSize(maxJsonBufferSize), _maxContentLength(16384) {}
#else
AsyncCallbackMessagePackWebHandler::AsyncCallbackMessagePackWebHandler(const String& uri, ArMessagePackRequestHandlerFunction onRequest)
: _uri(uri), _method(HTTP_GET | HTTP_POST | HTTP_PUT | HTTP_PATCH), _onRequest(onRequest), _maxContentLength(16384) {}
#endif
bool AsyncCallbackMessagePackWebHandler::canHandle(AsyncWebServerRequest* request) const {
if (!_onRequest || !request->isHTTP() || !(_method & request->method()))
return false;
if (_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri + "/")))
return false;
if (request->method() != HTTP_GET && !request->contentType().equalsIgnoreCase(asyncsrv::T_application_msgpack))
return false;
return true;
}
void AsyncCallbackMessagePackWebHandler::handleRequest(AsyncWebServerRequest* request) {
if (_onRequest) {
if (request->method() == HTTP_GET) {
JsonVariant json;
_onRequest(request, json);
return;
} else if (request->_tempObject != NULL) {
#if ARDUINOJSON_VERSION_MAJOR == 6
DynamicJsonDocument jsonBuffer(this->maxJsonBufferSize);
DeserializationError error = deserializeMsgPack(jsonBuffer, (uint8_t*)(request->_tempObject));
if (!error) {
JsonVariant json = jsonBuffer.as<JsonVariant>();
#else
JsonDocument jsonBuffer;
DeserializationError error = deserializeMsgPack(jsonBuffer, (uint8_t*)(request->_tempObject));
if (!error) {
JsonVariant json = jsonBuffer.as<JsonVariant>();
#endif
_onRequest(request, json);
return;
}
}
request->send(_contentLength > _maxContentLength ? 413 : 400);
} else {
request->send(500);
}
}
void AsyncCallbackMessagePackWebHandler::handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) {
if (_onRequest) {
_contentLength = total;
if (total > 0 && request->_tempObject == NULL && total < _maxContentLength) {
request->_tempObject = malloc(total);
}
if (request->_tempObject != NULL) {
memcpy((uint8_t*)(request->_tempObject) + index, data, len);
}
}
}
#endif // ASYNC_MSG_PACK_SUPPORT

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#pragma once
#if __has_include("ArduinoJson.h")
#include <ArduinoJson.h>
#if ARDUINOJSON_VERSION_MAJOR >= 6
#define ASYNC_MSG_PACK_SUPPORT 1
#else
#define ASYNC_MSG_PACK_SUPPORT 0
#endif // ARDUINOJSON_VERSION_MAJOR >= 6
#endif // __has_include("ArduinoJson.h")
#if ASYNC_MSG_PACK_SUPPORT == 1
#include <ESPAsyncWebServer.h>
#include "ChunkPrint.h"
#if ARDUINOJSON_VERSION_MAJOR == 6
#ifndef DYNAMIC_JSON_DOCUMENT_SIZE
#define DYNAMIC_JSON_DOCUMENT_SIZE 1024
#endif
#endif
class AsyncMessagePackResponse : public AsyncAbstractResponse {
protected:
#if ARDUINOJSON_VERSION_MAJOR == 6
DynamicJsonDocument _jsonBuffer;
#else
JsonDocument _jsonBuffer;
#endif
JsonVariant _root;
bool _isValid;
public:
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncMessagePackResponse(bool isArray = false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE);
#else
AsyncMessagePackResponse(bool isArray = false);
#endif
JsonVariant& getRoot() { return _root; }
bool _sourceValid() const { return _isValid; }
size_t setLength();
size_t getSize() const { return _jsonBuffer.size(); }
size_t _fillBuffer(uint8_t* data, size_t len);
#if ARDUINOJSON_VERSION_MAJOR >= 6
bool overflowed() const { return _jsonBuffer.overflowed(); }
#endif
};
typedef std::function<void(AsyncWebServerRequest* request, JsonVariant& json)> ArMessagePackRequestHandlerFunction;
class AsyncCallbackMessagePackWebHandler : public AsyncWebHandler {
protected:
String _uri;
WebRequestMethodComposite _method;
ArMessagePackRequestHandlerFunction _onRequest;
size_t _contentLength;
#if ARDUINOJSON_VERSION_MAJOR == 6
size_t maxJsonBufferSize;
#endif
size_t _maxContentLength;
public:
#if ARDUINOJSON_VERSION_MAJOR == 6
AsyncCallbackMessagePackWebHandler(const String& uri, ArMessagePackRequestHandlerFunction onRequest = nullptr, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE);
#else
AsyncCallbackMessagePackWebHandler(const String& uri, ArMessagePackRequestHandlerFunction onRequest = nullptr);
#endif
void setMethod(WebRequestMethodComposite method) { _method = method; }
void setMaxContentLength(int maxContentLength) { _maxContentLength = maxContentLength; }
void onRequest(ArMessagePackRequestHandlerFunction fn) { _onRequest = fn; }
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
void handleUpload(__unused AsyncWebServerRequest* request, __unused const String& filename, __unused size_t index, __unused uint8_t* data, __unused size_t len, __unused bool final) override final {}
void handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) override final;
bool isRequestHandlerTrivial() const override final { return !_onRequest; }
};
#endif // ASYNC_MSG_PACK_SUPPORT == 1

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#include "ESPAsyncWebServer.h"
AsyncWebHeader::AsyncWebHeader(const String& data) {
if (!data)
return;
int index = data.indexOf(':');
if (index < 0)
return;
_name = data.substring(0, index);
_value = data.substring(index + 2);
}
String AsyncWebHeader::toString() const {
String str;
str.reserve(_name.length() + _value.length() + 2);
str.concat(_name);
str.concat((char)0x3a);
str.concat((char)0x20);
str.concat(_value);
str.concat(asyncsrv::T_rn);
return str;
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSOCKET_H_
#define ASYNCWEBSOCKET_H_
#include <Arduino.h>
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#include <mutex>
#ifndef WS_MAX_QUEUED_MESSAGES
#define WS_MAX_QUEUED_MESSAGES 32
#endif
#include "ESPAsyncWebServer.h"
#include <memory>
#ifndef DEFAULT_MAX_WS_CLIENTS
#define DEFAULT_MAX_WS_CLIENTS 8
#endif
using AsyncWebSocketSharedBuffer = std::shared_ptr<std::vector<uint8_t>>;
class AsyncWebSocket;
class AsyncWebSocketResponse;
class AsyncWebSocketClient;
class AsyncWebSocketControl;
typedef struct {
/** Message type as defined by enum AwsFrameType.
* Note: Applications will only see WS_TEXT and WS_BINARY.
* All other types are handled by the library. */
uint8_t message_opcode;
/** Frame number of a fragmented message. */
uint32_t num;
/** Is this the last frame in a fragmented message ?*/
uint8_t final;
/** Is this frame masked? */
uint8_t masked;
/** Message type as defined by enum AwsFrameType.
* This value is the same as message_opcode for non-fragmented
* messages, but may also be WS_CONTINUATION in a fragmented message. */
uint8_t opcode;
/** Length of the current frame.
* This equals the total length of the message if num == 0 && final == true */
uint64_t len;
/** Mask key */
uint8_t mask[4];
/** Offset of the data inside the current frame. */
uint64_t index;
} AwsFrameInfo;
typedef enum { WS_DISCONNECTED,
WS_CONNECTED,
WS_DISCONNECTING } AwsClientStatus;
typedef enum { WS_CONTINUATION,
WS_TEXT,
WS_BINARY,
WS_DISCONNECT = 0x08,
WS_PING,
WS_PONG } AwsFrameType;
typedef enum { WS_MSG_SENDING,
WS_MSG_SENT,
WS_MSG_ERROR } AwsMessageStatus;
typedef enum { WS_EVT_CONNECT,
WS_EVT_DISCONNECT,
WS_EVT_PING,
WS_EVT_PONG,
WS_EVT_ERROR,
WS_EVT_DATA } AwsEventType;
class AsyncWebSocketMessageBuffer {
friend AsyncWebSocket;
friend AsyncWebSocketClient;
private:
AsyncWebSocketSharedBuffer _buffer;
public:
AsyncWebSocketMessageBuffer() {}
explicit AsyncWebSocketMessageBuffer(size_t size);
AsyncWebSocketMessageBuffer(const uint8_t* data, size_t size);
//~AsyncWebSocketMessageBuffer();
bool reserve(size_t size);
uint8_t* get() { return _buffer->data(); }
size_t length() const { return _buffer->size(); }
};
class AsyncWebSocketMessage {
private:
AsyncWebSocketSharedBuffer _WSbuffer;
uint8_t _opcode{WS_TEXT};
bool _mask{false};
AwsMessageStatus _status{WS_MSG_ERROR};
size_t _sent{};
size_t _ack{};
size_t _acked{};
public:
AsyncWebSocketMessage(AsyncWebSocketSharedBuffer buffer, uint8_t opcode = WS_TEXT, bool mask = false);
bool finished() const { return _status != WS_MSG_SENDING; }
bool betweenFrames() const { return _acked == _ack; }
void ack(size_t len, uint32_t time);
size_t send(AsyncClient* client);
};
class AsyncWebSocketClient {
private:
AsyncClient* _client;
AsyncWebSocket* _server;
uint32_t _clientId;
AwsClientStatus _status;
mutable std::mutex _lock;
std::deque<AsyncWebSocketControl> _controlQueue;
std::deque<AsyncWebSocketMessage> _messageQueue;
bool closeWhenFull = true;
uint8_t _pstate;
AwsFrameInfo _pinfo;
uint32_t _lastMessageTime;
uint32_t _keepAlivePeriod;
bool _queueControl(uint8_t opcode, const uint8_t* data = NULL, size_t len = 0, bool mask = false);
bool _queueMessage(AsyncWebSocketSharedBuffer buffer, uint8_t opcode = WS_TEXT, bool mask = false);
void _runQueue();
void _clearQueue();
public:
void* _tempObject;
AsyncWebSocketClient(AsyncWebServerRequest* request, AsyncWebSocket* server);
~AsyncWebSocketClient();
// client id increments for the given server
uint32_t id() const { return _clientId; }
AwsClientStatus status() const { return _status; }
AsyncClient* client() { return _client; }
const AsyncClient* client() const { return _client; }
AsyncWebSocket* server() { return _server; }
const AsyncWebSocket* server() const { return _server; }
AwsFrameInfo const& pinfo() const { return _pinfo; }
// - If "true" (default), the connection will be closed if the message queue is full.
// This is the default behavior in yubox-node-org, which is not silently discarding messages but instead closes the connection.
// The big issue with this behavior is that is can cause the UI to automatically re-create a new WS connection, which can be filled again,
// and so on, causing a resource exhaustion.
//
// - If "false", the incoming message will be discarded if the queue is full.
// This is the default behavior in the original ESPAsyncWebServer library from me-no-dev.
// This behavior allows the best performance at the expense of unreliable message delivery in case the queue is full (some messages may be lost).
//
// - In any case, when the queue is full, a message is logged.
// - IT is recommended to use the methods queueIsFull(), availableForWriteAll(), availableForWrite(clientId) to check if the queue is full before sending a message.
//
// Usage:
// - can be set in the onEvent listener when connecting (event type is: WS_EVT_CONNECT)
//
// Use cases:,
// - if using websocket to send logging messages, maybe some loss is acceptable.
// - But if using websocket to send UI update messages, maybe the connection should be closed and the UI redrawn.
void setCloseClientOnQueueFull(bool close) { closeWhenFull = close; }
bool willCloseClientOnQueueFull() const { return closeWhenFull; }
IPAddress remoteIP() const;
uint16_t remotePort() const;
bool shouldBeDeleted() const { return !_client; }
// control frames
void close(uint16_t code = 0, const char* message = NULL);
bool ping(const uint8_t* data = NULL, size_t len = 0);
// set auto-ping period in seconds. disabled if zero (default)
void keepAlivePeriod(uint16_t seconds) {
_keepAlivePeriod = seconds * 1000;
}
uint16_t keepAlivePeriod() {
return (uint16_t)(_keepAlivePeriod / 1000);
}
// data packets
void message(AsyncWebSocketSharedBuffer buffer, uint8_t opcode = WS_TEXT, bool mask = false) { _queueMessage(buffer, opcode, mask); }
bool queueIsFull() const;
size_t queueLen() const;
size_t printf(const char* format, ...) __attribute__((format(printf, 2, 3)));
bool text(AsyncWebSocketSharedBuffer buffer);
bool text(const uint8_t* message, size_t len);
bool text(const char* message, size_t len);
bool text(const char* message);
bool text(const String& message);
bool text(AsyncWebSocketMessageBuffer* buffer);
bool binary(AsyncWebSocketSharedBuffer buffer);
bool binary(const uint8_t* message, size_t len);
bool binary(const char* message, size_t len);
bool binary(const char* message);
bool binary(const String& message);
bool binary(AsyncWebSocketMessageBuffer* buffer);
bool canSend() const;
// system callbacks (do not call)
void _onAck(size_t len, uint32_t time);
void _onError(int8_t);
void _onPoll();
void _onTimeout(uint32_t time);
void _onDisconnect();
void _onData(void* pbuf, size_t plen);
};
using AwsHandshakeHandler = std::function<bool(AsyncWebServerRequest* request)>;
using AwsEventHandler = std::function<void(AsyncWebSocket* server, AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len)>;
// WebServer Handler implementation that plays the role of a socket server
class AsyncWebSocket : public AsyncWebHandler {
private:
String _url;
std::list<AsyncWebSocketClient> _clients;
uint32_t _cNextId;
AwsEventHandler _eventHandler{nullptr};
AwsHandshakeHandler _handshakeHandler;
bool _enabled;
mutable std::mutex _lock;
public:
typedef enum {
DISCARDED = 0,
ENQUEUED = 1,
PARTIALLY_ENQUEUED = 2,
} SendStatus;
explicit AsyncWebSocket(const char* url) : _url(url), _cNextId(1), _enabled(true) {}
AsyncWebSocket(const String& url) : _url(url), _cNextId(1), _enabled(true) {}
~AsyncWebSocket() {};
const char* url() const { return _url.c_str(); }
void enable(bool e) { _enabled = e; }
bool enabled() const { return _enabled; }
bool availableForWriteAll();
bool availableForWrite(uint32_t id);
size_t count() const;
AsyncWebSocketClient* client(uint32_t id);
bool hasClient(uint32_t id) { return client(id) != nullptr; }
void close(uint32_t id, uint16_t code = 0, const char* message = NULL);
void closeAll(uint16_t code = 0, const char* message = NULL);
void cleanupClients(uint16_t maxClients = DEFAULT_MAX_WS_CLIENTS);
bool ping(uint32_t id, const uint8_t* data = NULL, size_t len = 0);
SendStatus pingAll(const uint8_t* data = NULL, size_t len = 0); // done
bool text(uint32_t id, const uint8_t* message, size_t len);
bool text(uint32_t id, const char* message, size_t len);
bool text(uint32_t id, const char* message);
bool text(uint32_t id, const String& message);
bool text(uint32_t id, AsyncWebSocketMessageBuffer* buffer);
bool text(uint32_t id, AsyncWebSocketSharedBuffer buffer);
SendStatus textAll(const uint8_t* message, size_t len);
SendStatus textAll(const char* message, size_t len);
SendStatus textAll(const char* message);
SendStatus textAll(const String& message);
SendStatus textAll(AsyncWebSocketMessageBuffer* buffer);
SendStatus textAll(AsyncWebSocketSharedBuffer buffer);
bool binary(uint32_t id, const uint8_t* message, size_t len);
bool binary(uint32_t id, const char* message, size_t len);
bool binary(uint32_t id, const char* message);
bool binary(uint32_t id, const String& message);
bool binary(uint32_t id, AsyncWebSocketMessageBuffer* buffer);
bool binary(uint32_t id, AsyncWebSocketSharedBuffer buffer);
SendStatus binaryAll(const uint8_t* message, size_t len);
SendStatus binaryAll(const char* message, size_t len);
SendStatus binaryAll(const char* message);
SendStatus binaryAll(const String& message);
SendStatus binaryAll(AsyncWebSocketMessageBuffer* buffer);
SendStatus binaryAll(AsyncWebSocketSharedBuffer buffer);
size_t printf(uint32_t id, const char* format, ...) __attribute__((format(printf, 3, 4)));
size_t printfAll(const char* format, ...) __attribute__((format(printf, 2, 3)));
void onEvent(AwsEventHandler handler) { _eventHandler = handler; }
void handleHandshake(AwsHandshakeHandler handler) { _handshakeHandler = handler; }
// system callbacks (do not call)
uint32_t _getNextId() { return _cNextId++; }
AsyncWebSocketClient* _newClient(AsyncWebServerRequest* request);
void _handleEvent(AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len);
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
// messagebuffer functions/objects.
AsyncWebSocketMessageBuffer* makeBuffer(size_t size = 0);
AsyncWebSocketMessageBuffer* makeBuffer(const uint8_t* data, size_t size);
std::list<AsyncWebSocketClient>& getClients() { return _clients; }
};
// WebServer response to authenticate the socket and detach the tcp client from the web server request
class AsyncWebSocketResponse : public AsyncWebServerResponse {
private:
String _content;
AsyncWebSocket* _server;
public:
AsyncWebSocketResponse(const String& key, AsyncWebSocket* server);
void _respond(AsyncWebServerRequest* request);
size_t _ack(AsyncWebServerRequest* request, size_t len, uint32_t time);
bool _sourceValid() const { return true; }
};
#endif /* ASYNCWEBSOCKET_H_ */

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/*
* FIPS-180-1 compliant SHA-1 implementation
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
* Modified for esp32 by Lucas Saavedra Vaz on 11 Jan 2024
*/
#include <Arduino.h>
#if ESP_IDF_VERSION_MAJOR < 5
#include "BackPort_SHA1Builder.h"
// 32-bit integer manipulation macros (big endian)
#ifndef GET_UINT32_BE
#define GET_UINT32_BE(n, b, i) \
{ (n) = ((uint32_t)(b)[(i)] << 24) | ((uint32_t)(b)[(i) + 1] << 16) | ((uint32_t)(b)[(i) + 2] << 8) | ((uint32_t)(b)[(i) + 3]); }
#endif
#ifndef PUT_UINT32_BE
#define PUT_UINT32_BE(n, b, i) \
{ \
(b)[(i)] = (uint8_t)((n) >> 24); \
(b)[(i) + 1] = (uint8_t)((n) >> 16); \
(b)[(i) + 2] = (uint8_t)((n) >> 8); \
(b)[(i) + 3] = (uint8_t)((n)); \
}
#endif
// Constants
static const uint8_t sha1_padding[64] = {0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Private methods
void SHA1Builder::process(const uint8_t *data) {
uint32_t temp, W[16], A, B, C, D, E;
GET_UINT32_BE(W[0], data, 0);
GET_UINT32_BE(W[1], data, 4);
GET_UINT32_BE(W[2], data, 8);
GET_UINT32_BE(W[3], data, 12);
GET_UINT32_BE(W[4], data, 16);
GET_UINT32_BE(W[5], data, 20);
GET_UINT32_BE(W[6], data, 24);
GET_UINT32_BE(W[7], data, 28);
GET_UINT32_BE(W[8], data, 32);
GET_UINT32_BE(W[9], data, 36);
GET_UINT32_BE(W[10], data, 40);
GET_UINT32_BE(W[11], data, 44);
GET_UINT32_BE(W[12], data, 48);
GET_UINT32_BE(W[13], data, 52);
GET_UINT32_BE(W[14], data, 56);
GET_UINT32_BE(W[15], data, 60);
#define sha1_S(x, n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
#define sha1_R(t) (temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ W[(t - 14) & 0x0F] ^ W[t & 0x0F], (W[t & 0x0F] = sha1_S(temp, 1)))
#define sha1_P(a, b, c, d, e, x) \
{ \
e += sha1_S(a, 5) + sha1_F(b, c, d) + sha1_K + x; \
b = sha1_S(b, 30); \
}
A = state[0];
B = state[1];
C = state[2];
D = state[3];
E = state[4];
#define sha1_F(x, y, z) (z ^ (x & (y ^ z)))
#define sha1_K 0x5A827999
sha1_P(A, B, C, D, E, W[0]);
sha1_P(E, A, B, C, D, W[1]);
sha1_P(D, E, A, B, C, W[2]);
sha1_P(C, D, E, A, B, W[3]);
sha1_P(B, C, D, E, A, W[4]);
sha1_P(A, B, C, D, E, W[5]);
sha1_P(E, A, B, C, D, W[6]);
sha1_P(D, E, A, B, C, W[7]);
sha1_P(C, D, E, A, B, W[8]);
sha1_P(B, C, D, E, A, W[9]);
sha1_P(A, B, C, D, E, W[10]);
sha1_P(E, A, B, C, D, W[11]);
sha1_P(D, E, A, B, C, W[12]);
sha1_P(C, D, E, A, B, W[13]);
sha1_P(B, C, D, E, A, W[14]);
sha1_P(A, B, C, D, E, W[15]);
sha1_P(E, A, B, C, D, sha1_R(16));
sha1_P(D, E, A, B, C, sha1_R(17));
sha1_P(C, D, E, A, B, sha1_R(18));
sha1_P(B, C, D, E, A, sha1_R(19));
#undef sha1_K
#undef sha1_F
#define sha1_F(x, y, z) (x ^ y ^ z)
#define sha1_K 0x6ED9EBA1
sha1_P(A, B, C, D, E, sha1_R(20));
sha1_P(E, A, B, C, D, sha1_R(21));
sha1_P(D, E, A, B, C, sha1_R(22));
sha1_P(C, D, E, A, B, sha1_R(23));
sha1_P(B, C, D, E, A, sha1_R(24));
sha1_P(A, B, C, D, E, sha1_R(25));
sha1_P(E, A, B, C, D, sha1_R(26));
sha1_P(D, E, A, B, C, sha1_R(27));
sha1_P(C, D, E, A, B, sha1_R(28));
sha1_P(B, C, D, E, A, sha1_R(29));
sha1_P(A, B, C, D, E, sha1_R(30));
sha1_P(E, A, B, C, D, sha1_R(31));
sha1_P(D, E, A, B, C, sha1_R(32));
sha1_P(C, D, E, A, B, sha1_R(33));
sha1_P(B, C, D, E, A, sha1_R(34));
sha1_P(A, B, C, D, E, sha1_R(35));
sha1_P(E, A, B, C, D, sha1_R(36));
sha1_P(D, E, A, B, C, sha1_R(37));
sha1_P(C, D, E, A, B, sha1_R(38));
sha1_P(B, C, D, E, A, sha1_R(39));
#undef sha1_K
#undef sha1_F
#define sha1_F(x, y, z) ((x & y) | (z & (x | y)))
#define sha1_K 0x8F1BBCDC
sha1_P(A, B, C, D, E, sha1_R(40));
sha1_P(E, A, B, C, D, sha1_R(41));
sha1_P(D, E, A, B, C, sha1_R(42));
sha1_P(C, D, E, A, B, sha1_R(43));
sha1_P(B, C, D, E, A, sha1_R(44));
sha1_P(A, B, C, D, E, sha1_R(45));
sha1_P(E, A, B, C, D, sha1_R(46));
sha1_P(D, E, A, B, C, sha1_R(47));
sha1_P(C, D, E, A, B, sha1_R(48));
sha1_P(B, C, D, E, A, sha1_R(49));
sha1_P(A, B, C, D, E, sha1_R(50));
sha1_P(E, A, B, C, D, sha1_R(51));
sha1_P(D, E, A, B, C, sha1_R(52));
sha1_P(C, D, E, A, B, sha1_R(53));
sha1_P(B, C, D, E, A, sha1_R(54));
sha1_P(A, B, C, D, E, sha1_R(55));
sha1_P(E, A, B, C, D, sha1_R(56));
sha1_P(D, E, A, B, C, sha1_R(57));
sha1_P(C, D, E, A, B, sha1_R(58));
sha1_P(B, C, D, E, A, sha1_R(59));
#undef sha1_K
#undef sha1_F
#define sha1_F(x, y, z) (x ^ y ^ z)
#define sha1_K 0xCA62C1D6
sha1_P(A, B, C, D, E, sha1_R(60));
sha1_P(E, A, B, C, D, sha1_R(61));
sha1_P(D, E, A, B, C, sha1_R(62));
sha1_P(C, D, E, A, B, sha1_R(63));
sha1_P(B, C, D, E, A, sha1_R(64));
sha1_P(A, B, C, D, E, sha1_R(65));
sha1_P(E, A, B, C, D, sha1_R(66));
sha1_P(D, E, A, B, C, sha1_R(67));
sha1_P(C, D, E, A, B, sha1_R(68));
sha1_P(B, C, D, E, A, sha1_R(69));
sha1_P(A, B, C, D, E, sha1_R(70));
sha1_P(E, A, B, C, D, sha1_R(71));
sha1_P(D, E, A, B, C, sha1_R(72));
sha1_P(C, D, E, A, B, sha1_R(73));
sha1_P(B, C, D, E, A, sha1_R(74));
sha1_P(A, B, C, D, E, sha1_R(75));
sha1_P(E, A, B, C, D, sha1_R(76));
sha1_P(D, E, A, B, C, sha1_R(77));
sha1_P(C, D, E, A, B, sha1_R(78));
sha1_P(B, C, D, E, A, sha1_R(79));
#undef sha1_K
#undef sha1_F
state[0] += A;
state[1] += B;
state[2] += C;
state[3] += D;
state[4] += E;
}
// Public methods
void SHA1Builder::begin() {
total[0] = 0;
total[1] = 0;
state[0] = 0x67452301;
state[1] = 0xEFCDAB89;
state[2] = 0x98BADCFE;
state[3] = 0x10325476;
state[4] = 0xC3D2E1F0;
memset(buffer, 0x00, sizeof(buffer));
memset(hash, 0x00, sizeof(hash));
}
void SHA1Builder::add(const uint8_t *data, size_t len) {
size_t fill;
uint32_t left;
if (len == 0) {
return;
}
left = total[0] & 0x3F;
fill = 64 - left;
total[0] += (uint32_t)len;
total[0] &= 0xFFFFFFFF;
if (total[0] < (uint32_t)len) {
total[1]++;
}
if (left && len >= fill) {
memcpy((void *)(buffer + left), data, fill);
process(buffer);
data += fill;
len -= fill;
left = 0;
}
while (len >= 64) {
process(data);
data += 64;
len -= 64;
}
if (len > 0) {
memcpy((void *)(buffer + left), data, len);
}
}
void SHA1Builder::calculate(void) {
uint32_t last, padn;
uint32_t high, low;
uint8_t msglen[8];
high = (total[0] >> 29) | (total[1] << 3);
low = (total[0] << 3);
PUT_UINT32_BE(high, msglen, 0);
PUT_UINT32_BE(low, msglen, 4);
last = total[0] & 0x3F;
padn = (last < 56) ? (56 - last) : (120 - last);
add((uint8_t *)sha1_padding, padn);
add(msglen, 8);
PUT_UINT32_BE(state[0], hash, 0);
PUT_UINT32_BE(state[1], hash, 4);
PUT_UINT32_BE(state[2], hash, 8);
PUT_UINT32_BE(state[3], hash, 12);
PUT_UINT32_BE(state[4], hash, 16);
}
void SHA1Builder::getBytes(uint8_t *output) {
memcpy(output, hash, SHA1_HASH_SIZE);
}
#endif // ESP_IDF_VERSION_MAJOR < 5

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// Copyright 2024 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <Arduino.h>
#if ESP_IDF_VERSION_MAJOR < 5
#ifndef SHA1Builder_h
#define SHA1Builder_h
#include <Stream.h>
#include <WString.h>
#define SHA1_HASH_SIZE 20
class SHA1Builder {
private:
uint32_t total[2]; /* number of bytes processed */
uint32_t state[5]; /* intermediate digest state */
unsigned char buffer[64]; /* data block being processed */
uint8_t hash[SHA1_HASH_SIZE]; /* SHA-1 result */
void process(const uint8_t* data);
public:
void begin();
void add(const uint8_t* data, size_t len);
void calculate();
void getBytes(uint8_t* output);
};
#endif // SHA1Builder_h
#endif // ESP_IDF_VERSION_MAJOR < 5

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#include "ChunkPrint.h"
ChunkPrint::ChunkPrint(uint8_t* destination, size_t from, size_t len)
: _destination(destination), _to_skip(from), _to_write(len), _pos{0} {}
size_t ChunkPrint::write(uint8_t c) {
if (_to_skip > 0) {
_to_skip--;
return 1;
} else if (_to_write > 0) {
_to_write--;
_destination[_pos++] = c;
return 1;
}
return 0;
}

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#ifndef CHUNKPRINT_H
#define CHUNKPRINT_H
#include <Print.h>
class ChunkPrint : public Print {
private:
uint8_t* _destination;
size_t _to_skip;
size_t _to_write;
size_t _pos;
public:
ChunkPrint(uint8_t* destination, size_t from, size_t len);
size_t write(uint8_t c);
size_t write(const uint8_t* buffer, size_t size) { return this->Print::write(buffer, size); }
};
#endif

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ESPAsyncWebServer_H_
#define _ESPAsyncWebServer_H_
#include "Arduino.h"
#include "FS.h"
#include <algorithm>
#include <deque>
#include <functional>
#include <list>
#include <unordered_map>
#include <vector>
#ifdef ESP32
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#include <WiFi.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#elif defined(TARGET_RP2040)
#include <AsyncTCP_RP2040W.h>
#include <HTTP_Method.h>
#include <WiFi.h>
#include <http_parser.h>
#else
#error Platform not supported
#endif
#include "literals.h"
#define ASYNCWEBSERVER_VERSION "3.6.0"
#define ASYNCWEBSERVER_VERSION_MAJOR 3
#define ASYNCWEBSERVER_VERSION_MINOR 6
#define ASYNCWEBSERVER_VERSION_REVISION 0
#define ASYNCWEBSERVER_FORK_mathieucarbou
#ifdef ASYNCWEBSERVER_REGEX
#define ASYNCWEBSERVER_REGEX_ATTRIBUTE
#else
#define ASYNCWEBSERVER_REGEX_ATTRIBUTE __attribute__((warning("ASYNCWEBSERVER_REGEX not defined")))
#endif
class AsyncWebServer;
class AsyncWebServerRequest;
class AsyncWebServerResponse;
class AsyncWebHeader;
class AsyncWebParameter;
class AsyncWebRewrite;
class AsyncWebHandler;
class AsyncStaticWebHandler;
class AsyncCallbackWebHandler;
class AsyncResponseStream;
class AsyncMiddlewareChain;
typedef enum {
HTTP_GET = 0b00000001,
HTTP_POST = 0b00000010,
HTTP_DELETE = 0b00000100,
HTTP_PUT = 0b00001000,
HTTP_PATCH = 0b00010000,
HTTP_HEAD = 0b00100000,
HTTP_OPTIONS = 0b01000000,
HTTP_ANY = 0b01111111,
} WebRequestMethod;
#ifndef HAVE_FS_FILE_OPEN_MODE
namespace fs {
class FileOpenMode {
public:
static const char* read;
static const char* write;
static const char* append;
};
};
#else
#include "FileOpenMode.h"
#endif
// if this value is returned when asked for data, packet will not be sent and you will be asked for data again
#define RESPONSE_TRY_AGAIN 0xFFFFFFFF
#define RESPONSE_STREAM_BUFFER_SIZE 1460
typedef uint8_t WebRequestMethodComposite;
typedef std::function<void(void)> ArDisconnectHandler;
/*
* PARAMETER :: Chainable object to hold GET/POST and FILE parameters
* */
class AsyncWebParameter {
private:
String _name;
String _value;
size_t _size;
bool _isForm;
bool _isFile;
public:
AsyncWebParameter(const String& name, const String& value, bool form = false, bool file = false, size_t size = 0) : _name(name), _value(value), _size(size), _isForm(form), _isFile(file) {}
const String& name() const { return _name; }
const String& value() const { return _value; }
size_t size() const { return _size; }
bool isPost() const { return _isForm; }
bool isFile() const { return _isFile; }
};
/*
* HEADER :: Chainable object to hold the headers
* */
class AsyncWebHeader {
private:
String _name;
String _value;
public:
AsyncWebHeader(const AsyncWebHeader&) = default;
AsyncWebHeader(const char* name, const char* value) : _name(name), _value(value) {}
AsyncWebHeader(const String& name, const String& value) : _name(name), _value(value) {}
AsyncWebHeader(const String& data);
AsyncWebHeader& operator=(const AsyncWebHeader&) = default;
const String& name() const { return _name; }
const String& value() const { return _value; }
String toString() const;
};
/*
* REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect
* */
typedef enum { RCT_NOT_USED = -1,
RCT_DEFAULT = 0,
RCT_HTTP,
RCT_WS,
RCT_EVENT,
RCT_MAX } RequestedConnectionType;
// this enum is similar to Arduino WebServer's AsyncAuthType and PsychicHttp
typedef enum {
AUTH_NONE = 0, // always allow
AUTH_BASIC = 1,
AUTH_DIGEST = 2,
AUTH_BEARER = 3,
AUTH_OTHER = 4,
AUTH_DENIED = 255, // always returns 401
} AsyncAuthType;
typedef std::function<size_t(uint8_t*, size_t, size_t)> AwsResponseFiller;
typedef std::function<String(const String&)> AwsTemplateProcessor;
class AsyncWebServerRequest {
using File = fs::File;
using FS = fs::FS;
friend class AsyncWebServer;
friend class AsyncCallbackWebHandler;
private:
AsyncClient* _client;
AsyncWebServer* _server;
AsyncWebHandler* _handler;
AsyncWebServerResponse* _response;
ArDisconnectHandler _onDisconnectfn;
// response is sent
bool _sent = false;
String _temp;
uint8_t _parseState;
uint8_t _version;
WebRequestMethodComposite _method;
String _url;
String _host;
String _contentType;
String _boundary;
String _authorization;
RequestedConnectionType _reqconntype;
AsyncAuthType _authMethod = AsyncAuthType::AUTH_NONE;
bool _isMultipart;
bool _isPlainPost;
bool _expectingContinue;
size_t _contentLength;
size_t _parsedLength;
std::list<AsyncWebHeader> _headers;
std::list<AsyncWebParameter> _params;
std::vector<String> _pathParams;
std::unordered_map<const char*, String, std::hash<const char*>, std::equal_to<const char*>> _attributes;
uint8_t _multiParseState;
uint8_t _boundaryPosition;
size_t _itemStartIndex;
size_t _itemSize;
String _itemName;
String _itemFilename;
String _itemType;
String _itemValue;
uint8_t* _itemBuffer;
size_t _itemBufferIndex;
bool _itemIsFile;
void _onPoll();
void _onAck(size_t len, uint32_t time);
void _onError(int8_t error);
void _onTimeout(uint32_t time);
void _onDisconnect();
void _onData(void* buf, size_t len);
void _addPathParam(const char* param);
bool _parseReqHead();
bool _parseReqHeader();
void _parseLine();
void _parsePlainPostChar(uint8_t data);
void _parseMultipartPostByte(uint8_t data, bool last);
void _addGetParams(const String& params);
void _handleUploadStart();
void _handleUploadByte(uint8_t data, bool last);
void _handleUploadEnd();
public:
File _tempFile;
void* _tempObject;
AsyncWebServerRequest(AsyncWebServer*, AsyncClient*);
~AsyncWebServerRequest();
AsyncClient* client() { return _client; }
uint8_t version() const { return _version; }
WebRequestMethodComposite method() const { return _method; }
const String& url() const { return _url; }
const String& host() const { return _host; }
const String& contentType() const { return _contentType; }
size_t contentLength() const { return _contentLength; }
bool multipart() const { return _isMultipart; }
const char* methodToString() const;
const char* requestedConnTypeToString() const;
RequestedConnectionType requestedConnType() const { return _reqconntype; }
bool isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2 = RCT_NOT_USED, RequestedConnectionType erct3 = RCT_NOT_USED) const;
bool isWebSocketUpgrade() const { return _method == HTTP_GET && isExpectedRequestedConnType(RCT_WS); }
bool isSSE() const { return _method == HTTP_GET && isExpectedRequestedConnType(RCT_EVENT); }
bool isHTTP() const { return isExpectedRequestedConnType(RCT_DEFAULT, RCT_HTTP); }
void onDisconnect(ArDisconnectHandler fn);
// hash is the string representation of:
// base64(user:pass) for basic or
// user:realm:md5(user:realm:pass) for digest
bool authenticate(const char* hash) const;
bool authenticate(const char* username, const char* credentials, const char* realm = NULL, bool isHash = false) const;
void requestAuthentication(const char* realm = nullptr, bool isDigest = true) { requestAuthentication(isDigest ? AsyncAuthType::AUTH_DIGEST : AsyncAuthType::AUTH_BASIC, realm); }
void requestAuthentication(AsyncAuthType method, const char* realm = nullptr, const char* _authFailMsg = nullptr);
void setHandler(AsyncWebHandler* handler) { _handler = handler; }
#ifndef ESP8266
[[deprecated("All headers are now collected. Use removeHeader(name) or AsyncHeaderFreeMiddleware if you really need to free some headers.")]]
#endif
void addInterestingHeader(__unused const char* name) {
}
#ifndef ESP8266
[[deprecated("All headers are now collected. Use removeHeader(name) or AsyncHeaderFreeMiddleware if you really need to free some headers.")]]
#endif
void addInterestingHeader(__unused const String& name) {
}
/**
* @brief issue HTTP redirect responce with Location header
*
* @param url - url to redirect to
* @param code - responce code, default is 302 : temporary redirect
*/
void redirect(const char* url, int code = 302);
void redirect(const String& url, int code = 302) { return redirect(url.c_str(), code); };
void send(AsyncWebServerResponse* response);
AsyncWebServerResponse* getResponse() const { return _response; }
void send(int code, const char* contentType = asyncsrv::empty, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr) { send(beginResponse(code, contentType, content, callback)); }
void send(int code, const String& contentType, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr) { send(beginResponse(code, contentType.c_str(), content, callback)); }
void send(int code, const String& contentType, const String& content, AwsTemplateProcessor callback = nullptr) { send(beginResponse(code, contentType.c_str(), content.c_str(), callback)); }
void send(int code, const char* contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) { send(beginResponse(code, contentType, content, len, callback)); }
void send(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) { send(beginResponse(code, contentType, content, len, callback)); }
void send(FS& fs, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr) {
if (fs.exists(path) || (!download && fs.exists(path + asyncsrv::T__gz))) {
send(beginResponse(fs, path, contentType, download, callback));
} else
send(404);
}
void send(FS& fs, const String& path, const String& contentType, bool download = false, AwsTemplateProcessor callback = nullptr) { send(fs, path, contentType.c_str(), download, callback); }
void send(File content, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr) {
if (content) {
send(beginResponse(content, path, contentType, download, callback));
} else
send(404);
}
void send(File content, const String& path, const String& contentType, bool download = false, AwsTemplateProcessor callback = nullptr) { send(content, path, contentType.c_str(), download, callback); }
void send(Stream& stream, const char* contentType, size_t len, AwsTemplateProcessor callback = nullptr) { send(beginResponse(stream, contentType, len, callback)); }
void send(Stream& stream, const String& contentType, size_t len, AwsTemplateProcessor callback = nullptr) { send(beginResponse(stream, contentType, len, callback)); }
void send(const char* contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) { send(beginResponse(contentType, len, callback, templateCallback)); }
void send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) { send(beginResponse(contentType, len, callback, templateCallback)); }
void sendChunked(const char* contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) { send(beginChunkedResponse(contentType, callback, templateCallback)); }
void sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) { send(beginChunkedResponse(contentType, callback, templateCallback)); }
#ifndef ESP8266
[[deprecated("Replaced by send(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr)")]]
#endif
void send_P(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) {
send(code, contentType, content, len, callback);
}
#ifndef ESP8266
[[deprecated("Replaced by send(int code, const String& contentType, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr)")]]
void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback = nullptr) {
send(code, contentType, content, callback);
}
#else
void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback = nullptr) {
send(beginResponse_P(code, contentType, content, callback));
}
#endif
AsyncWebServerResponse* beginResponse(int code, const char* contentType = asyncsrv::empty, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr);
AsyncWebServerResponse* beginResponse(int code, const String& contentType, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr) { return beginResponse(code, contentType.c_str(), content, callback); }
AsyncWebServerResponse* beginResponse(int code, const String& contentType, const String& content, AwsTemplateProcessor callback = nullptr) { return beginResponse(code, contentType.c_str(), content.c_str(), callback); }
AsyncWebServerResponse* beginResponse(int code, const char* contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr);
AsyncWebServerResponse* beginResponse(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) { return beginResponse(code, contentType.c_str(), content, len, callback); }
AsyncWebServerResponse* beginResponse(FS& fs, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr);
AsyncWebServerResponse* beginResponse(FS& fs, const String& path, const String& contentType = emptyString, bool download = false, AwsTemplateProcessor callback = nullptr) { return beginResponse(fs, path, contentType.c_str(), download, callback); }
AsyncWebServerResponse* beginResponse(File content, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr);
AsyncWebServerResponse* beginResponse(File content, const String& path, const String& contentType = emptyString, bool download = false, AwsTemplateProcessor callback = nullptr) { return beginResponse(content, path, contentType.c_str(), download, callback); }
AsyncWebServerResponse* beginResponse(Stream& stream, const char* contentType, size_t len, AwsTemplateProcessor callback = nullptr);
AsyncWebServerResponse* beginResponse(Stream& stream, const String& contentType, size_t len, AwsTemplateProcessor callback = nullptr) { return beginResponse(stream, contentType.c_str(), len, callback); }
AsyncWebServerResponse* beginResponse(const char* contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr);
AsyncWebServerResponse* beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) { return beginResponse(contentType.c_str(), len, callback, templateCallback); }
AsyncWebServerResponse* beginChunkedResponse(const char* contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr);
AsyncWebServerResponse* beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr);
AsyncResponseStream* beginResponseStream(const char* contentType, size_t bufferSize = RESPONSE_STREAM_BUFFER_SIZE);
AsyncResponseStream* beginResponseStream(const String& contentType, size_t bufferSize = RESPONSE_STREAM_BUFFER_SIZE) { return beginResponseStream(contentType.c_str(), bufferSize); }
#ifndef ESP8266
[[deprecated("Replaced by beginResponse(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr)")]]
#endif
AsyncWebServerResponse* beginResponse_P(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) {
return beginResponse(code, contentType.c_str(), content, len, callback);
}
#ifndef ESP8266
[[deprecated("Replaced by beginResponse(int code, const String& contentType, const char* content = asyncsrv::empty, AwsTemplateProcessor callback = nullptr)")]]
#endif
AsyncWebServerResponse* beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback = nullptr);
/**
* @brief Get the Request parameter by name
*
* @param name
* @param post
* @param file
* @return const AsyncWebParameter*
*/
const AsyncWebParameter* getParam(const char* name, bool post = false, bool file = false) const;
const AsyncWebParameter* getParam(const String& name, bool post = false, bool file = false) const { return getParam(name.c_str(), post, file); };
/**
* @brief Get request parameter by number
* i.e., n-th parameter
* @param num
* @return const AsyncWebParameter*
*/
const AsyncWebParameter* getParam(size_t num) const;
size_t args() const { return params(); } // get arguments count
// get request argument value by name
const String& arg(const char* name) const;
// get request argument value by name
const String& arg(const String& name) const { return arg(name.c_str()); };
const String& arg(size_t i) const; // get request argument value by number
const String& argName(size_t i) const; // get request argument name by number
bool hasArg(const char* name) const; // check if argument exists
bool hasArg(const String& name) const { return hasArg(name.c_str()); };
const String& ASYNCWEBSERVER_REGEX_ATTRIBUTE pathArg(size_t i) const;
// get request header value by name
const String& header(const char* name) const;
const String& header(const String& name) const { return header(name.c_str()); };
const String& header(size_t i) const; // get request header value by number
const String& headerName(size_t i) const; // get request header name by number
size_t headers() const; // get header count
// check if header exists
bool hasHeader(const char* name) const;
bool hasHeader(const String& name) const { return hasHeader(name.c_str()); };
const AsyncWebHeader* getHeader(const char* name) const;
const AsyncWebHeader* getHeader(const String& name) const { return getHeader(name.c_str()); };
const AsyncWebHeader* getHeader(size_t num) const;
const std::list<AsyncWebHeader>& getHeaders() const { return _headers; }
size_t getHeaderNames(std::vector<const char*>& names) const;
// Remove a header from the request.
// It will free the memory and prevent the header to be seen during request processing.
bool removeHeader(const char* name);
// Remove all request headers.
void removeHeaders() { _headers.clear(); }
size_t params() const; // get arguments count
bool hasParam(const char* name, bool post = false, bool file = false) const;
bool hasParam(const String& name, bool post = false, bool file = false) const { return hasParam(name.c_str(), post, file); };
// REQUEST ATTRIBUTES
void setAttribute(const char* name, const char* value) { _attributes[name] = value; }
void setAttribute(const char* name, bool value) { _attributes[name] = value ? "1" : emptyString; }
void setAttribute(const char* name, long value) { _attributes[name] = String(value); }
void setAttribute(const char* name, float value, unsigned int decimalPlaces = 2) { _attributes[name] = String(value, decimalPlaces); }
void setAttribute(const char* name, double value, unsigned int decimalPlaces = 2) { _attributes[name] = String(value, decimalPlaces); }
bool hasAttribute(const char* name) const { return _attributes.find(name) != _attributes.end(); }
const String& getAttribute(const char* name, const String& defaultValue = emptyString) const;
bool getAttribute(const char* name, bool defaultValue) const;
long getAttribute(const char* name, long defaultValue) const;
float getAttribute(const char* name, float defaultValue) const;
double getAttribute(const char* name, double defaultValue) const;
String urlDecode(const String& text) const;
};
/*
* FILTER :: Callback to filter AsyncWebRewrite and AsyncWebHandler (done by the Server)
* */
using ArRequestFilterFunction = std::function<bool(AsyncWebServerRequest* request)>;
bool ON_STA_FILTER(AsyncWebServerRequest* request);
bool ON_AP_FILTER(AsyncWebServerRequest* request);
/*
* MIDDLEWARE :: Request interceptor, assigned to a AsyncWebHandler (or the server), which can be used:
* 1. to run some code before the final handler is executed (e.g. check authentication)
* 2. decide whether to proceed or not with the next handler
* */
using ArMiddlewareNext = std::function<void(void)>;
using ArMiddlewareCallback = std::function<void(AsyncWebServerRequest* request, ArMiddlewareNext next)>;
// Middleware is a base class for all middleware
class AsyncMiddleware {
public:
virtual ~AsyncMiddleware() {}
virtual void run(__unused AsyncWebServerRequest* request, __unused ArMiddlewareNext next) { return next(); };
private:
friend class AsyncWebHandler;
friend class AsyncEventSource;
friend class AsyncMiddlewareChain;
bool _freeOnRemoval = false;
};
// Create a custom middleware by providing an anonymous callback function
class AsyncMiddlewareFunction : public AsyncMiddleware {
public:
AsyncMiddlewareFunction(ArMiddlewareCallback fn) : _fn(fn) {}
void run(AsyncWebServerRequest* request, ArMiddlewareNext next) override { return _fn(request, next); };
private:
ArMiddlewareCallback _fn;
};
// For internal use only: super class to add/remove middleware to server or handlers
class AsyncMiddlewareChain {
public:
~AsyncMiddlewareChain();
void addMiddleware(ArMiddlewareCallback fn);
void addMiddleware(AsyncMiddleware* middleware);
void addMiddlewares(std::vector<AsyncMiddleware*> middlewares);
bool removeMiddleware(AsyncMiddleware* middleware);
// For internal use only
void _runChain(AsyncWebServerRequest* request, ArMiddlewareNext finalizer);
protected:
std::list<AsyncMiddleware*> _middlewares;
};
// AsyncAuthenticationMiddleware is a middleware that checks if the request is authenticated
class AsyncAuthenticationMiddleware : public AsyncMiddleware {
public:
void setUsername(const char* username);
void setPassword(const char* password);
void setPasswordHash(const char* hash);
void setRealm(const char* realm) { _realm = realm; }
void setAuthFailureMessage(const char* message) { _authFailMsg = message; }
// set the authentication method to use
// default is AUTH_NONE: no authentication required
// AUTH_BASIC: basic authentication
// AUTH_DIGEST: digest authentication
// AUTH_BEARER: bearer token authentication
// AUTH_OTHER: other authentication method
// AUTH_DENIED: always return 401 Unauthorized
// if a method is set but no username or password is set, authentication will be ignored
void setAuthType(AsyncAuthType authMethod) { _authMethod = authMethod; }
// precompute and store the hash value based on the username, password, realm.
// can be used for DIGEST and BASIC to avoid recomputing the hash for each request.
// returns true if the hash was successfully generated and replaced
bool generateHash();
// returns true if the username and password (or hash) are set
bool hasCredentials() const { return _hasCreds; }
bool allowed(AsyncWebServerRequest* request) const;
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
String _username;
String _credentials;
bool _hash = false;
String _realm = asyncsrv::T_LOGIN_REQ;
AsyncAuthType _authMethod = AsyncAuthType::AUTH_NONE;
String _authFailMsg;
bool _hasCreds = false;
};
using ArAuthorizeFunction = std::function<bool(AsyncWebServerRequest* request)>;
// AsyncAuthorizationMiddleware is a middleware that checks if the request is authorized
class AsyncAuthorizationMiddleware : public AsyncMiddleware {
public:
AsyncAuthorizationMiddleware(ArAuthorizeFunction authorizeConnectHandler) : _code(403), _authz(authorizeConnectHandler) {}
AsyncAuthorizationMiddleware(int code, ArAuthorizeFunction authorizeConnectHandler) : _code(code), _authz(authorizeConnectHandler) {}
void run(AsyncWebServerRequest* request, ArMiddlewareNext next) { return _authz && !_authz(request) ? request->send(_code) : next(); }
private:
int _code;
ArAuthorizeFunction _authz;
};
// remove all headers from the incoming request except the ones provided in the constructor
class AsyncHeaderFreeMiddleware : public AsyncMiddleware {
public:
void keep(const char* name) { _toKeep.push_back(name); }
void unKeep(const char* name) { _toKeep.erase(std::remove(_toKeep.begin(), _toKeep.end(), name), _toKeep.end()); }
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
std::vector<const char*> _toKeep;
};
// filter out specific headers from the incoming request
class AsyncHeaderFilterMiddleware : public AsyncMiddleware {
public:
void filter(const char* name) { _toRemove.push_back(name); }
void unFilter(const char* name) { _toRemove.erase(std::remove(_toRemove.begin(), _toRemove.end(), name), _toRemove.end()); }
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
std::vector<const char*> _toRemove;
};
// curl-like logging of incoming requests
class AsyncLoggingMiddleware : public AsyncMiddleware {
public:
void setOutput(Print& output) { _out = &output; }
void setEnabled(bool enabled) { _enabled = enabled; }
bool isEnabled() const { return _enabled && _out; }
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
Print* _out = nullptr;
bool _enabled = true;
};
// CORS Middleware
class AsyncCorsMiddleware : public AsyncMiddleware {
public:
void setOrigin(const char* origin) { _origin = origin; }
void setMethods(const char* methods) { _methods = methods; }
void setHeaders(const char* headers) { _headers = headers; }
void setAllowCredentials(bool credentials) { _credentials = credentials; }
void setMaxAge(uint32_t seconds) { _maxAge = seconds; }
void addCORSHeaders(AsyncWebServerResponse* response);
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
String _origin = "*";
String _methods = "*";
String _headers = "*";
bool _credentials = true;
uint32_t _maxAge = 86400;
};
// Rate limit Middleware
class AsyncRateLimitMiddleware : public AsyncMiddleware {
public:
void setMaxRequests(size_t maxRequests) { _maxRequests = maxRequests; }
void setWindowSize(uint32_t seconds) { _windowSizeMillis = seconds * 1000; }
bool isRequestAllowed(uint32_t& retryAfterSeconds);
void run(AsyncWebServerRequest* request, ArMiddlewareNext next);
private:
size_t _maxRequests = 0;
uint32_t _windowSizeMillis = 0;
std::list<uint32_t> _requestTimes;
};
/*
* REWRITE :: One instance can be handle any Request (done by the Server)
* */
class AsyncWebRewrite {
protected:
String _from;
String _toUrl;
String _params;
ArRequestFilterFunction _filter{nullptr};
public:
AsyncWebRewrite(const char* from, const char* to) : _from(from), _toUrl(to) {
int index = _toUrl.indexOf('?');
if (index > 0) {
_params = _toUrl.substring(index + 1);
_toUrl = _toUrl.substring(0, index);
}
}
virtual ~AsyncWebRewrite() {}
AsyncWebRewrite& setFilter(ArRequestFilterFunction fn) {
_filter = fn;
return *this;
}
bool filter(AsyncWebServerRequest* request) const { return _filter == NULL || _filter(request); }
const String& from(void) const { return _from; }
const String& toUrl(void) const { return _toUrl; }
const String& params(void) const { return _params; }
virtual bool match(AsyncWebServerRequest* request) { return from() == request->url() && filter(request); }
};
/*
* HANDLER :: One instance can be attached to any Request (done by the Server)
* */
class AsyncWebHandler : public AsyncMiddlewareChain {
protected:
ArRequestFilterFunction _filter = nullptr;
AsyncAuthenticationMiddleware* _authMiddleware = nullptr;
public:
AsyncWebHandler() {}
virtual ~AsyncWebHandler() {}
AsyncWebHandler& setFilter(ArRequestFilterFunction fn);
AsyncWebHandler& setAuthentication(const char* username, const char* password, AsyncAuthType authMethod = AsyncAuthType::AUTH_DIGEST);
AsyncWebHandler& setAuthentication(const String& username, const String& password, AsyncAuthType authMethod = AsyncAuthType::AUTH_DIGEST) { return setAuthentication(username.c_str(), password.c_str(), authMethod); };
bool filter(AsyncWebServerRequest* request) { return _filter == NULL || _filter(request); }
virtual bool canHandle(AsyncWebServerRequest* request __attribute__((unused))) const { return false; }
virtual void handleRequest(__unused AsyncWebServerRequest* request) {}
virtual void handleUpload(__unused AsyncWebServerRequest* request, __unused const String& filename, __unused size_t index, __unused uint8_t* data, __unused size_t len, __unused bool final) {}
virtual void handleBody(__unused AsyncWebServerRequest* request, __unused uint8_t* data, __unused size_t len, __unused size_t index, __unused size_t total) {}
virtual bool isRequestHandlerTrivial() const { return true; }
};
/*
* RESPONSE :: One instance is created for each Request (attached by the Handler)
* */
typedef enum {
RESPONSE_SETUP,
RESPONSE_HEADERS,
RESPONSE_CONTENT,
RESPONSE_WAIT_ACK,
RESPONSE_END,
RESPONSE_FAILED
} WebResponseState;
class AsyncWebServerResponse {
protected:
int _code;
std::list<AsyncWebHeader> _headers;
String _contentType;
size_t _contentLength;
bool _sendContentLength;
bool _chunked;
size_t _headLength;
size_t _sentLength;
size_t _ackedLength;
size_t _writtenLength;
WebResponseState _state;
public:
static const char* responseCodeToString(int code);
public:
AsyncWebServerResponse();
virtual ~AsyncWebServerResponse() {}
void setCode(int code);
int code() const { return _code; }
void setContentLength(size_t len);
void setContentType(const String& type) { setContentType(type.c_str()); }
void setContentType(const char* type);
bool addHeader(const char* name, const char* value, bool replaceExisting = true);
bool addHeader(const String& name, const String& value, bool replaceExisting = true) { return addHeader(name.c_str(), value.c_str(), replaceExisting); }
bool addHeader(const char* name, long value, bool replaceExisting = true) { return addHeader(name, String(value), replaceExisting); }
bool addHeader(const String& name, long value, bool replaceExisting = true) { return addHeader(name.c_str(), value, replaceExisting); }
bool removeHeader(const char* name);
const AsyncWebHeader* getHeader(const char* name) const;
const std::list<AsyncWebHeader>& getHeaders() const { return _headers; }
#ifndef ESP8266
[[deprecated("Use instead: _assembleHead(String& buffer, uint8_t version)")]]
#endif
String _assembleHead(uint8_t version) {
String buffer;
_assembleHead(buffer, version);
return buffer;
}
void _assembleHead(String& buffer, uint8_t version);
virtual bool _started() const;
virtual bool _finished() const;
virtual bool _failed() const;
virtual bool _sourceValid() const;
virtual void _respond(AsyncWebServerRequest* request);
virtual size_t _ack(AsyncWebServerRequest* request, size_t len, uint32_t time);
};
/*
* SERVER :: One instance
* */
typedef std::function<void(AsyncWebServerRequest* request)> ArRequestHandlerFunction;
typedef std::function<void(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final)> ArUploadHandlerFunction;
typedef std::function<void(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total)> ArBodyHandlerFunction;
class AsyncWebServer : public AsyncMiddlewareChain {
protected:
AsyncServer _server;
std::list<std::shared_ptr<AsyncWebRewrite>> _rewrites;
std::list<std::unique_ptr<AsyncWebHandler>> _handlers;
AsyncCallbackWebHandler* _catchAllHandler;
public:
AsyncWebServer(uint16_t port);
~AsyncWebServer();
void begin();
void end();
#if ASYNC_TCP_SSL_ENABLED
void onSslFileRequest(AcSSlFileHandler cb, void* arg);
void beginSecure(const char* cert, const char* private_key_file, const char* password);
#endif
AsyncWebRewrite& addRewrite(AsyncWebRewrite* rewrite);
/**
* @brief (compat) Add url rewrite rule by pointer
* a deep copy of the pointer object will be created,
* it is up to user to manage further lifetime of the object in argument
*
* @param rewrite pointer to rewrite object to copy setting from
* @return AsyncWebRewrite& reference to a newly created rewrite rule
*/
AsyncWebRewrite& addRewrite(std::shared_ptr<AsyncWebRewrite> rewrite);
/**
* @brief add url rewrite rule
*
* @param from
* @param to
* @return AsyncWebRewrite&
*/
AsyncWebRewrite& rewrite(const char* from, const char* to);
/**
* @brief (compat) remove rewrite rule via referenced object
* this will NOT deallocate pointed object itself, internal rule with same from/to urls will be removed if any
* it's a compat method, better use `removeRewrite(const char* from, const char* to)`
* @param rewrite
* @return true
* @return false
*/
bool removeRewrite(AsyncWebRewrite* rewrite);
/**
* @brief remove rewrite rule
*
* @param from
* @param to
* @return true
* @return false
*/
bool removeRewrite(const char* from, const char* to);
AsyncWebHandler& addHandler(AsyncWebHandler* handler);
bool removeHandler(AsyncWebHandler* handler);
AsyncCallbackWebHandler& on(const char* uri, ArRequestHandlerFunction onRequest) { return on(uri, HTTP_ANY, onRequest); }
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload = nullptr, ArBodyHandlerFunction onBody = nullptr);
AsyncStaticWebHandler& serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control = NULL);
void onNotFound(ArRequestHandlerFunction fn); // called when handler is not assigned
void onFileUpload(ArUploadHandlerFunction fn); // handle file uploads
void onRequestBody(ArBodyHandlerFunction fn); // handle posts with plain body content (JSON often transmitted this way as a request)
void reset(); // remove all writers and handlers, with onNotFound/onFileUpload/onRequestBody
void _handleDisconnect(AsyncWebServerRequest* request);
void _attachHandler(AsyncWebServerRequest* request);
void _rewriteRequest(AsyncWebServerRequest* request);
};
class DefaultHeaders {
using headers_t = std::list<AsyncWebHeader>;
headers_t _headers;
public:
DefaultHeaders() = default;
using ConstIterator = headers_t::const_iterator;
void addHeader(const String& name, const String& value) {
_headers.emplace_back(name, value);
}
ConstIterator begin() const { return _headers.begin(); }
ConstIterator end() const { return _headers.end(); }
DefaultHeaders(DefaultHeaders const&) = delete;
DefaultHeaders& operator=(DefaultHeaders const&) = delete;
static DefaultHeaders& Instance() {
static DefaultHeaders instance;
return instance;
}
};
#include "AsyncEventSource.h"
#include "AsyncWebSocket.h"
#include "WebHandlerImpl.h"
#include "WebResponseImpl.h"
#endif /* _AsyncWebServer_H_ */

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#include "WebAuthentication.h"
#include "ESPAsyncWebServer.h"
AsyncMiddlewareChain::~AsyncMiddlewareChain() {
for (AsyncMiddleware* m : _middlewares)
if (m->_freeOnRemoval)
delete m;
}
void AsyncMiddlewareChain::addMiddleware(ArMiddlewareCallback fn) {
AsyncMiddlewareFunction* m = new AsyncMiddlewareFunction(fn);
m->_freeOnRemoval = true;
_middlewares.emplace_back(m);
}
void AsyncMiddlewareChain::addMiddleware(AsyncMiddleware* middleware) {
if (middleware)
_middlewares.emplace_back(middleware);
}
void AsyncMiddlewareChain::addMiddlewares(std::vector<AsyncMiddleware*> middlewares) {
for (AsyncMiddleware* m : middlewares)
addMiddleware(m);
}
bool AsyncMiddlewareChain::removeMiddleware(AsyncMiddleware* middleware) {
// remove all middlewares from _middlewares vector being equal to middleware, delete them having _freeOnRemoval flag to true and resize the vector.
const size_t size = _middlewares.size();
_middlewares.erase(std::remove_if(_middlewares.begin(), _middlewares.end(), [middleware](AsyncMiddleware* m) {
if (m == middleware) {
if (m->_freeOnRemoval)
delete m;
return true;
}
return false;
}),
_middlewares.end());
return size != _middlewares.size();
}
void AsyncMiddlewareChain::_runChain(AsyncWebServerRequest* request, ArMiddlewareNext finalizer) {
if (!_middlewares.size())
return finalizer();
ArMiddlewareNext next;
std::list<AsyncMiddleware*>::iterator it = _middlewares.begin();
next = [this, &next, &it, request, finalizer]() {
if (it == _middlewares.end())
return finalizer();
AsyncMiddleware* m = *it;
it++;
return m->run(request, next);
};
return next();
}
void AsyncAuthenticationMiddleware::setUsername(const char* username) {
_username = username;
_hasCreds = _username.length() && _credentials.length();
}
void AsyncAuthenticationMiddleware::setPassword(const char* password) {
_credentials = password;
_hash = false;
_hasCreds = _username.length() && _credentials.length();
}
void AsyncAuthenticationMiddleware::setPasswordHash(const char* hash) {
_credentials = hash;
_hash = _credentials.length();
_hasCreds = _username.length() && _credentials.length();
}
bool AsyncAuthenticationMiddleware::generateHash() {
// ensure we have all the necessary data
if (!_hasCreds)
return false;
// if we already have a hash, do nothing
if (_hash)
return false;
switch (_authMethod) {
case AsyncAuthType::AUTH_DIGEST:
_credentials = generateDigestHash(_username.c_str(), _credentials.c_str(), _realm.c_str());
_hash = true;
return true;
case AsyncAuthType::AUTH_BASIC:
_credentials = generateBasicHash(_username.c_str(), _credentials.c_str());
_hash = true;
return true;
default:
return false;
}
}
bool AsyncAuthenticationMiddleware::allowed(AsyncWebServerRequest* request) const {
if (_authMethod == AsyncAuthType::AUTH_NONE)
return true;
if (_authMethod == AsyncAuthType::AUTH_DENIED)
return false;
if (!_hasCreds)
return true;
return request->authenticate(_username.c_str(), _credentials.c_str(), _realm.c_str(), _hash);
}
void AsyncAuthenticationMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
return allowed(request) ? next() : request->requestAuthentication(_authMethod, _realm.c_str(), _authFailMsg.c_str());
}
void AsyncHeaderFreeMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
std::vector<const char*> reqHeaders;
request->getHeaderNames(reqHeaders);
for (const char* h : reqHeaders) {
bool keep = false;
for (const char* k : _toKeep) {
if (strcasecmp(h, k) == 0) {
keep = true;
break;
}
}
if (!keep) {
request->removeHeader(h);
}
}
next();
}
void AsyncHeaderFilterMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
for (auto it = _toRemove.begin(); it != _toRemove.end(); ++it)
request->removeHeader(*it);
next();
}
void AsyncLoggingMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
if (!isEnabled()) {
next();
return;
}
_out->print(F("* Connection from "));
_out->print(request->client()->remoteIP().toString());
_out->print(':');
_out->println(request->client()->remotePort());
_out->print('>');
_out->print(' ');
_out->print(request->methodToString());
_out->print(' ');
_out->print(request->url().c_str());
_out->print(F(" HTTP/1."));
_out->println(request->version());
for (auto& h : request->getHeaders()) {
if (h.value().length()) {
_out->print('>');
_out->print(' ');
_out->print(h.name());
_out->print(':');
_out->print(' ');
_out->println(h.value());
}
}
_out->println(F(">"));
uint32_t elapsed = millis();
next();
elapsed = millis() - elapsed;
AsyncWebServerResponse* response = request->getResponse();
if (response) {
_out->print(F("* Processed in "));
_out->print(elapsed);
_out->println(F(" ms"));
_out->print('<');
_out->print(F(" HTTP/1."));
_out->print(request->version());
_out->print(' ');
_out->print(response->code());
_out->print(' ');
_out->println(AsyncWebServerResponse::responseCodeToString(response->code()));
for (auto& h : response->getHeaders()) {
if (h.value().length()) {
_out->print('<');
_out->print(' ');
_out->print(h.name());
_out->print(':');
_out->print(' ');
_out->println(h.value());
}
}
_out->println('<');
} else {
_out->println(F("* Connection closed!"));
}
}
void AsyncCorsMiddleware::addCORSHeaders(AsyncWebServerResponse* response) {
response->addHeader(asyncsrv::T_CORS_ACAO, _origin.c_str());
response->addHeader(asyncsrv::T_CORS_ACAM, _methods.c_str());
response->addHeader(asyncsrv::T_CORS_ACAH, _headers.c_str());
response->addHeader(asyncsrv::T_CORS_ACAC, _credentials ? asyncsrv::T_TRUE : asyncsrv::T_FALSE);
response->addHeader(asyncsrv::T_CORS_ACMA, String(_maxAge).c_str());
}
void AsyncCorsMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
// Origin header ? => CORS handling
if (request->hasHeader(asyncsrv::T_CORS_O)) {
// check if this is a preflight request => handle it and return
if (request->method() == HTTP_OPTIONS) {
AsyncWebServerResponse* response = request->beginResponse(200);
addCORSHeaders(response);
request->send(response);
return;
}
// CORS request, no options => let the request pass and add CORS headers after
next();
AsyncWebServerResponse* response = request->getResponse();
if (response) {
addCORSHeaders(response);
}
} else {
// NO Origin header => no CORS handling
next();
}
}
bool AsyncRateLimitMiddleware::isRequestAllowed(uint32_t& retryAfterSeconds) {
uint32_t now = millis();
while (!_requestTimes.empty() && _requestTimes.front() <= now - _windowSizeMillis)
_requestTimes.pop_front();
_requestTimes.push_back(now);
if (_requestTimes.size() > _maxRequests) {
_requestTimes.pop_front();
retryAfterSeconds = (_windowSizeMillis - (now - _requestTimes.front())) / 1000 + 1;
return false;
}
retryAfterSeconds = 0;
return true;
}
void AsyncRateLimitMiddleware::run(AsyncWebServerRequest* request, ArMiddlewareNext next) {
uint32_t retryAfterSeconds;
if (isRequestAllowed(retryAfterSeconds)) {
next();
} else {
AsyncWebServerResponse* response = request->beginResponse(429);
response->addHeader(asyncsrv::T_retry_after, retryAfterSeconds);
request->send(response);
}
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "WebAuthentication.h"
#include <libb64/cencode.h>
#if defined(ESP32) || defined(TARGET_RP2040)
#include <MD5Builder.h>
#else
#include "md5.h"
#endif
#include "literals.h"
using namespace asyncsrv;
// Basic Auth hash = base64("username:password")
bool checkBasicAuthentication(const char* hash, const char* username, const char* password) {
if (username == NULL || password == NULL || hash == NULL)
return false;
return generateBasicHash(username, password).equalsIgnoreCase(hash);
}
String generateBasicHash(const char* username, const char* password) {
if (username == NULL || password == NULL)
return emptyString;
size_t toencodeLen = strlen(username) + strlen(password) + 1;
char* toencode = new char[toencodeLen + 1];
if (toencode == NULL) {
return emptyString;
}
char* encoded = new char[base64_encode_expected_len(toencodeLen) + 1];
if (encoded == NULL) {
delete[] toencode;
return emptyString;
}
sprintf_P(toencode, PSTR("%s:%s"), username, password);
if (base64_encode_chars(toencode, toencodeLen, encoded) > 0) {
String res = String(encoded);
delete[] toencode;
delete[] encoded;
return res;
}
delete[] toencode;
delete[] encoded;
return emptyString;
}
static bool getMD5(uint8_t* data, uint16_t len, char* output) { // 33 bytes or more
#if defined(ESP32) || defined(TARGET_RP2040)
MD5Builder md5;
md5.begin();
md5.add(data, len);
md5.calculate();
md5.getChars(output);
#else
md5_context_t _ctx;
uint8_t* _buf = (uint8_t*)malloc(16);
if (_buf == NULL)
return false;
memset(_buf, 0x00, 16);
MD5Init(&_ctx);
MD5Update(&_ctx, data, len);
MD5Final(_buf, &_ctx);
for (uint8_t i = 0; i < 16; i++) {
sprintf_P(output + (i * 2), PSTR("%02x"), _buf[i]);
}
free(_buf);
#endif
return true;
}
String genRandomMD5() {
uint32_t r = rand();
char* out = (char*)malloc(33);
if (out == NULL || !getMD5((uint8_t*)(&r), 4, out))
return emptyString;
String res = String(out);
free(out);
return res;
}
static String stringMD5(const String& in) {
char* out = (char*)malloc(33);
if (out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
return emptyString;
String res = String(out);
free(out);
return res;
}
String generateDigestHash(const char* username, const char* password, const char* realm) {
if (username == NULL || password == NULL || realm == NULL) {
return emptyString;
}
char* out = (char*)malloc(33);
String in;
in.reserve(strlen(username) + strlen(realm) + strlen(password) + 2);
in.concat(username);
in.concat(':');
in.concat(realm);
in.concat(':');
in.concat(password);
if (out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
return emptyString;
in = String(out);
free(out);
return in;
}
bool checkDigestAuthentication(const char* header, const char* method, const char* username, const char* password, const char* realm, bool passwordIsHash, const char* nonce, const char* opaque, const char* uri)
{
if (username == NULL || password == NULL || header == NULL || method == NULL) {
// os_printf("AUTH FAIL: missing requred fields\n");
return false;
}
String myHeader(header);
int nextBreak = myHeader.indexOf(',');
if (nextBreak < 0) {
// os_printf("AUTH FAIL: no variables\n");
return false;
}
String myUsername;
String myRealm;
String myNonce;
String myUri;
String myResponse;
String myQop;
String myNc;
String myCnonce;
myHeader += (char)0x2c; // ','
myHeader += (char)0x20; // ' '
do {
String avLine(myHeader.substring(0, nextBreak));
avLine.trim();
myHeader = myHeader.substring(nextBreak + 1);
nextBreak = myHeader.indexOf(',');
int eqSign = avLine.indexOf('=');
if (eqSign < 0) {
// os_printf("AUTH FAIL: no = sign\n");
return false;
}
String varName(avLine.substring(0, eqSign));
avLine = avLine.substring(eqSign + 1);
if (avLine.startsWith(String('"'))) {
avLine = avLine.substring(1, avLine.length() - 1);
}
if (varName.equals(T_username)) {
if (!avLine.equals(username)) {
// os_printf("AUTH FAIL: username\n");
return false;
}
myUsername = avLine;
} else if (varName.equals(T_realm)) {
if (realm != NULL && !avLine.equals(realm)) {
// os_printf("AUTH FAIL: realm\n");
return false;
}
myRealm = avLine;
} else if (varName.equals(T_nonce)) {
if (nonce != NULL && !avLine.equals(nonce)) {
// os_printf("AUTH FAIL: nonce\n");
return false;
}
myNonce = avLine;
} else if (varName.equals(T_opaque)) {
if (opaque != NULL && !avLine.equals(opaque)) {
// os_printf("AUTH FAIL: opaque\n");
return false;
}
} else if (varName.equals(T_uri)) {
if (uri != NULL && !avLine.equals(uri)) {
// os_printf("AUTH FAIL: uri\n");
return false;
}
myUri = avLine;
} else if (varName.equals(T_response)) {
myResponse = avLine;
} else if (varName.equals(T_qop)) {
myQop = avLine;
} else if (varName.equals(T_nc)) {
myNc = avLine;
} else if (varName.equals(T_cnonce)) {
myCnonce = avLine;
}
} while (nextBreak > 0);
String ha1 = passwordIsHash ? password : stringMD5(myUsername + ':' + myRealm + ':' + password).c_str();
String ha2 = stringMD5(String(method) + ':' + myUri);
String response = ha1 + ':' + myNonce + ':' + myNc + ':' + myCnonce + ':' + myQop + ':' + ha2;
if (myResponse.equals(stringMD5(response))) {
// os_printf("AUTH SUCCESS\n");
return true;
}
// os_printf("AUTH FAIL: password\n");
return false;
}

14
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/WebAuthentication.h → Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/WebAuthentication.h
View file

@ -24,11 +24,15 @@
#include "Arduino.h"
bool checkBasicAuthentication(const char * header, const char * username, const char * password);
String requestDigestAuthentication(const char * realm);
bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri);
bool checkBasicAuthentication(const char* header, const char* username, const char* password);
//for storing hashed versions on the device that can be authenticated against
String generateDigestHash(const char * username, const char * password, const char * realm);
bool checkDigestAuthentication(const char* header, const char* method, const char* username, const char* password, const char* realm, bool passwordIsHash, const char* nonce, const char* opaque, const char* uri);
// for storing hashed versions on the device that can be authenticated against
String generateDigestHash(const char* username, const char* password, const char* realm);
String generateBasicHash(const char* username, const char* password);
String genRandomMD5();
#endif

101
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/WebHandlerImpl.h Normal file
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@ -0,0 +1,101 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSERVERHANDLERIMPL_H_
#define ASYNCWEBSERVERHANDLERIMPL_H_
#include <string>
#ifdef ASYNCWEBSERVER_REGEX
#include <regex>
#endif
#include "stddef.h"
#include <time.h>
class AsyncStaticWebHandler : public AsyncWebHandler {
using File = fs::File;
using FS = fs::FS;
private:
bool _getFile(AsyncWebServerRequest* request) const;
bool _searchFile(AsyncWebServerRequest* request, const String& path);
uint8_t _countBits(const uint8_t value) const;
protected:
FS _fs;
String _uri;
String _path;
String _default_file;
String _cache_control;
String _last_modified;
AwsTemplateProcessor _callback;
bool _isDir;
bool _tryGzipFirst = true;
public:
AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control);
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
AsyncStaticWebHandler& setTryGzipFirst(bool value);
AsyncStaticWebHandler& setIsDir(bool isDir);
AsyncStaticWebHandler& setDefaultFile(const char* filename);
AsyncStaticWebHandler& setCacheControl(const char* cache_control);
/**
* @brief Set the Last-Modified time for the object
*
* @param last_modified
* @return AsyncStaticWebHandler&
*/
AsyncStaticWebHandler& setLastModified(const char* last_modified);
AsyncStaticWebHandler& setLastModified(struct tm* last_modified);
AsyncStaticWebHandler& setLastModified(time_t last_modified);
// sets to current time. Make sure sntp is runing and time is updated
AsyncStaticWebHandler& setLastModified();
AsyncStaticWebHandler& setTemplateProcessor(AwsTemplateProcessor newCallback);
};
class AsyncCallbackWebHandler : public AsyncWebHandler {
private:
protected:
String _uri;
WebRequestMethodComposite _method;
ArRequestHandlerFunction _onRequest;
ArUploadHandlerFunction _onUpload;
ArBodyHandlerFunction _onBody;
bool _isRegex;
public:
AsyncCallbackWebHandler() : _uri(), _method(HTTP_ANY), _onRequest(NULL), _onUpload(NULL), _onBody(NULL), _isRegex(false) {}
void setUri(const String& uri);
void setMethod(WebRequestMethodComposite method) { _method = method; }
void onRequest(ArRequestHandlerFunction fn) { _onRequest = fn; }
void onUpload(ArUploadHandlerFunction fn) { _onUpload = fn; }
void onBody(ArBodyHandlerFunction fn) { _onBody = fn; }
bool canHandle(AsyncWebServerRequest* request) const override final;
void handleRequest(AsyncWebServerRequest* request) override final;
void handleUpload(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final) override final;
void handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) override final;
bool isRequestHandlerTrivial() const override final { return !_onRequest; }
};
#endif /* ASYNCWEBSERVERHANDLERIMPL_H_ */

303
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/WebHandlers.cpp Normal file
View file

@ -0,0 +1,303 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebHandlerImpl.h"
using namespace asyncsrv;
AsyncWebHandler& AsyncWebHandler::setFilter(ArRequestFilterFunction fn) {
_filter = fn;
return *this;
}
AsyncWebHandler& AsyncWebHandler::setAuthentication(const char* username, const char* password, AsyncAuthType authMethod) {
if (!_authMiddleware) {
_authMiddleware = new AsyncAuthenticationMiddleware();
_authMiddleware->_freeOnRemoval = true;
addMiddleware(_authMiddleware);
}
_authMiddleware->setUsername(username);
_authMiddleware->setPassword(password);
_authMiddleware->setAuthType(authMethod);
return *this;
};
AsyncStaticWebHandler::AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control)
: _fs(fs), _uri(uri), _path(path), _default_file(F("index.htm")), _cache_control(cache_control), _last_modified(), _callback(nullptr) {
// Ensure leading '/'
if (_uri.length() == 0 || _uri[0] != '/')
_uri = String('/') + _uri;
if (_path.length() == 0 || _path[0] != '/')
_path = String('/') + _path;
// If path ends with '/' we assume a hint that this is a directory to improve performance.
// However - if it does not end with '/' we, can't assume a file, path can still be a directory.
_isDir = _path[_path.length() - 1] == '/';
// Remove the trailing '/' so we can handle default file
// Notice that root will be "" not "/"
if (_uri[_uri.length() - 1] == '/')
_uri = _uri.substring(0, _uri.length() - 1);
if (_path[_path.length() - 1] == '/')
_path = _path.substring(0, _path.length() - 1);
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setTryGzipFirst(bool value) {
_tryGzipFirst = value;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setIsDir(bool isDir) {
_isDir = isDir;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setDefaultFile(const char* filename) {
_default_file = filename;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setCacheControl(const char* cache_control) {
_cache_control = cache_control;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(const char* last_modified) {
_last_modified = last_modified;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(struct tm* last_modified) {
char result[30];
static constexpr const char* format = "%a, %d %b %Y %H:%M:%S GMT";
strftime(result, sizeof(result), format, last_modified);
_last_modified = result;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(time_t last_modified) {
return setLastModified((struct tm*)gmtime(&last_modified));
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified() {
time_t last_modified;
if (time(&last_modified) == 0) // time is not yet set
return *this;
return setLastModified(last_modified);
}
bool AsyncStaticWebHandler::canHandle(AsyncWebServerRequest* request) const {
return request->isHTTP() && request->method() == HTTP_GET && request->url().startsWith(_uri) && _getFile(request);
}
bool AsyncStaticWebHandler::_getFile(AsyncWebServerRequest* request) const {
// Remove the found uri
String path = request->url().substring(_uri.length());
// We can skip the file check and look for default if request is to the root of a directory or that request path ends with '/'
bool canSkipFileCheck = (_isDir && path.length() == 0) || (path.length() && path[path.length() - 1] == '/');
path = _path + path;
// Do we have a file or .gz file
if (!canSkipFileCheck && const_cast<AsyncStaticWebHandler*>(this)->_searchFile(request, path))
return true;
// Can't handle if not default file
if (_default_file.length() == 0)
return false;
// Try to add default file, ensure there is a trailing '/' ot the path.
if (path.length() == 0 || path[path.length() - 1] != '/')
path += String('/');
path += _default_file;
return const_cast<AsyncStaticWebHandler*>(this)->_searchFile(request, path);
}
#define FILE_IS_REAL(f) (f == true && !f.isDirectory())
bool AsyncStaticWebHandler::_searchFile(AsyncWebServerRequest* request, const String& path) {
bool fileFound = false;
bool gzipFound = false;
String gzip = path + T__gz;
if (_tryGzipFirst) {
if (_fs.exists(gzip)) {
request->_tempFile = _fs.open(gzip, fs::FileOpenMode::read);
gzipFound = FILE_IS_REAL(request->_tempFile);
}
if (!gzipFound) {
if (_fs.exists(path)) {
request->_tempFile = _fs.open(path, fs::FileOpenMode::read);
fileFound = FILE_IS_REAL(request->_tempFile);
}
}
} else {
if (_fs.exists(path)) {
request->_tempFile = _fs.open(path, fs::FileOpenMode::read);
fileFound = FILE_IS_REAL(request->_tempFile);
}
if (!fileFound) {
if (_fs.exists(gzip)) {
request->_tempFile = _fs.open(gzip, fs::FileOpenMode::read);
gzipFound = FILE_IS_REAL(request->_tempFile);
}
}
}
bool found = fileFound || gzipFound;
if (found) {
// Extract the file name from the path and keep it in _tempObject
size_t pathLen = path.length();
char* _tempPath = (char*)malloc(pathLen + 1);
snprintf_P(_tempPath, pathLen + 1, PSTR("%s"), path.c_str());
request->_tempObject = (void*)_tempPath;
}
return found;
}
uint8_t AsyncStaticWebHandler::_countBits(const uint8_t value) const {
uint8_t w = value;
uint8_t n;
for (n = 0; w != 0; n++)
w &= w - 1;
return n;
}
void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest* request) {
// Get the filename from request->_tempObject and free it
String filename((char*)request->_tempObject);
free(request->_tempObject);
request->_tempObject = NULL;
if (request->_tempFile != true){
request->send(404);
return;
}
time_t lw = request->_tempFile.getLastWrite(); // get last file mod time (if supported by FS)
// set etag to lastmod timestamp if available, otherwise to size
String etag;
if (lw) {
setLastModified(lw);
#if defined(TARGET_RP2040)
// time_t == long long int
constexpr size_t len = 1 + 8 * sizeof(time_t);
char buf[len];
char* ret = lltoa(lw ^ request->_tempFile.size(), buf, len, 10);
etag = ret ? String(ret) : String(request->_tempFile.size());
#else
etag = lw ^ request->_tempFile.size(); // etag combines file size and lastmod timestamp
#endif
} else {
etag = request->_tempFile.size();
}
bool not_modified = false;
// if-none-match has precedence over if-modified-since
if (request->hasHeader(T_INM))
not_modified = request->header(T_INM).equals(etag);
else if (_last_modified.length())
not_modified = request->header(T_IMS).equals(_last_modified);
AsyncWebServerResponse* response;
if (not_modified){
request->_tempFile.close();
response = new AsyncBasicResponse(304); // Not modified
} else {
response = new AsyncFileResponse(request->_tempFile, filename, emptyString, false, _callback);
}
response->addHeader(T_ETag, etag.c_str());
if (_last_modified.length())
response->addHeader(T_Last_Modified, _last_modified.c_str());
if (_cache_control.length())
response->addHeader(T_Cache_Control, _cache_control.c_str());
request->send(response);
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setTemplateProcessor(AwsTemplateProcessor newCallback) {
_callback = newCallback;
return *this;
}
void AsyncCallbackWebHandler::setUri(const String& uri) {
_uri = uri;
_isRegex = uri.startsWith("^") && uri.endsWith("$");
}
bool AsyncCallbackWebHandler::canHandle(AsyncWebServerRequest* request) const {
if (!_onRequest || !request->isHTTP() || !(_method & request->method()))
return false;
#ifdef ASYNCWEBSERVER_REGEX
if (_isRegex) {
std::regex pattern(_uri.c_str());
std::smatch matches;
std::string s(request->url().c_str());
if (std::regex_search(s, matches, pattern)) {
for (size_t i = 1; i < matches.size(); ++i) { // start from 1
request->_addPathParam(matches[i].str().c_str());
}
} else {
return false;
}
} else
#endif
if (_uri.length() && _uri.startsWith("/*.")) {
String uriTemplate = String(_uri);
uriTemplate = uriTemplate.substring(uriTemplate.lastIndexOf("."));
if (!request->url().endsWith(uriTemplate))
return false;
} else if (_uri.length() && _uri.endsWith("*")) {
String uriTemplate = String(_uri);
uriTemplate = uriTemplate.substring(0, uriTemplate.length() - 1);
if (!request->url().startsWith(uriTemplate))
return false;
} else if (_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri + "/")))
return false;
return true;
}
void AsyncCallbackWebHandler::handleRequest(AsyncWebServerRequest* request) {
if (_onRequest)
_onRequest(request);
else
request->send(500);
}
void AsyncCallbackWebHandler::handleUpload(AsyncWebServerRequest* request, const String& filename, size_t index, uint8_t* data, size_t len, bool final) {
if (_onUpload)
_onUpload(request, filename, index, data, len, final);
}
void AsyncCallbackWebHandler::handleBody(AsyncWebServerRequest* request, uint8_t* data, size_t len, size_t index, size_t total) {
if (_onBody)
_onBody(request, data, len, index, total);
}

961
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/WebRequest.cpp Normal file
View file

@ -0,0 +1,961 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebAuthentication.h"
#include "WebResponseImpl.h"
#include "literals.h"
#include <cstring>
#define __is_param_char(c) ((c) && ((c) != '{') && ((c) != '[') && ((c) != '&') && ((c) != '='))
using namespace asyncsrv;
enum { PARSE_REQ_START = 0,
PARSE_REQ_HEADERS = 1,
PARSE_REQ_BODY = 2,
PARSE_REQ_END = 3,
PARSE_REQ_FAIL = 4 };
AsyncWebServerRequest::AsyncWebServerRequest(AsyncWebServer* s, AsyncClient* c)
: _client(c), _server(s), _handler(NULL), _response(NULL), _temp(), _parseState(PARSE_REQ_START), _version(0), _method(HTTP_ANY), _url(), _host(), _contentType(), _boundary(), _authorization(), _reqconntype(RCT_HTTP), _authMethod(AsyncAuthType::AUTH_NONE), _isMultipart(false), _isPlainPost(false), _expectingContinue(false), _contentLength(0), _parsedLength(0), _multiParseState(0), _boundaryPosition(0), _itemStartIndex(0), _itemSize(0), _itemName(), _itemFilename(), _itemType(), _itemValue(), _itemBuffer(0), _itemBufferIndex(0), _itemIsFile(false), _tempObject(NULL) {
c->onError([](void* r, AsyncClient* c, int8_t error) { (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onError(error); }, this);
c->onAck([](void* r, AsyncClient* c, size_t len, uint32_t time) { (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onAck(len, time); }, this);
c->onDisconnect([](void* r, AsyncClient* c) { AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onDisconnect(); delete c; }, this);
c->onTimeout([](void* r, AsyncClient* c, uint32_t time) { (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onTimeout(time); }, this);
c->onData([](void* r, AsyncClient* c, void* buf, size_t len) { (void)c; AsyncWebServerRequest *req = (AsyncWebServerRequest*)r; req->_onData(buf, len); }, this);
c->onPoll([](void* r, AsyncClient* c) { (void)c; AsyncWebServerRequest *req = ( AsyncWebServerRequest*)r; req->_onPoll(); }, this);
}
AsyncWebServerRequest::~AsyncWebServerRequest() {
_headers.clear();
_pathParams.clear();
AsyncWebServerResponse* r = _response;
_response = NULL;
delete r;
if (_tempObject != NULL) {
free(_tempObject);
}
if (_tempFile) {
_tempFile.close();
}
if (_itemBuffer) {
free(_itemBuffer);
}
}
void AsyncWebServerRequest::_onData(void* buf, size_t len) {
// SSL/TLS handshake detection
#ifndef ASYNC_TCP_SSL_ENABLED
if (_parseState == PARSE_REQ_START && len && ((uint8_t*)buf)[0] == 0x16) { // 0x16 indicates a Handshake message (SSL/TLS).
log_d("SSL/TLS handshake detected: resetting connection");
_parseState = PARSE_REQ_FAIL;
_client->abort();
return;
}
#endif
size_t i = 0;
while (true) {
if (_parseState < PARSE_REQ_BODY) {
// Find new line in buf
char* str = (char*)buf;
for (i = 0; i < len; i++) {
// Check for null characters in header
if (!str[i]) {
_parseState = PARSE_REQ_FAIL;
_client->abort();
return;
}
if (str[i] == '\n') {
break;
}
}
if (i == len) { // No new line, just add the buffer in _temp
char ch = str[len - 1];
str[len - 1] = 0;
_temp.reserve(_temp.length() + len);
_temp.concat(str);
_temp.concat(ch);
} else { // Found new line - extract it and parse
str[i] = 0; // Terminate the string at the end of the line.
_temp.concat(str);
_temp.trim();
_parseLine();
if (++i < len) {
// Still have more buffer to process
buf = str + i;
len -= i;
continue;
}
}
} else if (_parseState == PARSE_REQ_BODY) {
// A handler should be already attached at this point in _parseLine function.
// If handler does nothing (_onRequest is NULL), we don't need to really parse the body.
const bool needParse = _handler && !_handler->isRequestHandlerTrivial();
if (_isMultipart) {
if (needParse) {
size_t i;
for (i = 0; i < len; i++) {
_parseMultipartPostByte(((uint8_t*)buf)[i], i == len - 1);
_parsedLength++;
}
} else
_parsedLength += len;
} else {
if (_parsedLength == 0) {
if (_contentType.startsWith(T_app_xform_urlencoded)) {
_isPlainPost = true;
} else if (_contentType == T_text_plain && __is_param_char(((char*)buf)[0])) {
size_t i = 0;
while (i < len && __is_param_char(((char*)buf)[i++]))
;
if (i < len && ((char*)buf)[i - 1] == '=') {
_isPlainPost = true;
}
}
}
if (!_isPlainPost) {
if (_handler)
_handler->handleBody(this, (uint8_t*)buf, len, _parsedLength, _contentLength);
_parsedLength += len;
} else if (needParse) {
size_t i;
for (i = 0; i < len; i++) {
_parsedLength++;
_parsePlainPostChar(((uint8_t*)buf)[i]);
}
} else {
_parsedLength += len;
}
}
if (_parsedLength == _contentLength) {
_parseState = PARSE_REQ_END;
_server->_runChain(this, [this]() { return _handler ? _handler->_runChain(this, [this]() { _handler->handleRequest(this); }) : send(501); });
if (!_sent) {
if (!_response)
send(501, T_text_plain, "Handler did not handle the request");
else if (!_response->_sourceValid())
send(500, T_text_plain, "Invalid data in handler");
_client->setRxTimeout(0);
_response->_respond(this);
_sent = true;
}
}
}
break;
}
}
void AsyncWebServerRequest::_onPoll() {
// os_printf("p\n");
if (_response != NULL && _client != NULL && _client->canSend()) {
if (!_response->_finished()) {
_response->_ack(this, 0, 0);
} else {
AsyncWebServerResponse* r = _response;
_response = NULL;
delete r;
_client->close();
}
}
}
void AsyncWebServerRequest::_onAck(size_t len, uint32_t time) {
// os_printf("a:%u:%u\n", len, time);
if (_response != NULL) {
if (!_response->_finished()) {
_response->_ack(this, len, time);
} else if (_response->_finished()) {
AsyncWebServerResponse* r = _response;
_response = NULL;
delete r;
_client->close();
}
}
}
void AsyncWebServerRequest::_onError(int8_t error) {
(void)error;
}
void AsyncWebServerRequest::_onTimeout(uint32_t time) {
(void)time;
// os_printf("TIMEOUT: %u, state: %s\n", time, _client->stateToString());
_client->close();
}
void AsyncWebServerRequest::onDisconnect(ArDisconnectHandler fn) {
_onDisconnectfn = fn;
}
void AsyncWebServerRequest::_onDisconnect() {
// os_printf("d\n");
if (_onDisconnectfn) {
_onDisconnectfn();
}
_server->_handleDisconnect(this);
}
void AsyncWebServerRequest::_addPathParam(const char* p) {
_pathParams.emplace_back(p);
}
void AsyncWebServerRequest::_addGetParams(const String& params) {
size_t start = 0;
while (start < params.length()) {
int end = params.indexOf('&', start);
if (end < 0)
end = params.length();
int equal = params.indexOf('=', start);
if (equal < 0 || equal > end)
equal = end;
String name(params.substring(start, equal));
String value(equal + 1 < end ? params.substring(equal + 1, end) : String());
_params.emplace_back(urlDecode(name), urlDecode(value));
start = end + 1;
}
}
bool AsyncWebServerRequest::_parseReqHead() {
// Split the head into method, url and version
int index = _temp.indexOf(' ');
String m = _temp.substring(0, index);
index = _temp.indexOf(' ', index + 1);
String u = _temp.substring(m.length() + 1, index);
_temp = _temp.substring(index + 1);
if (m == T_GET) {
_method = HTTP_GET;
} else if (m == T_POST) {
_method = HTTP_POST;
} else if (m == T_DELETE) {
_method = HTTP_DELETE;
} else if (m == T_PUT) {
_method = HTTP_PUT;
} else if (m == T_PATCH) {
_method = HTTP_PATCH;
} else if (m == T_HEAD) {
_method = HTTP_HEAD;
} else if (m == T_OPTIONS) {
_method = HTTP_OPTIONS;
} else {
return false;
}
String g;
index = u.indexOf('?');
if (index > 0) {
g = u.substring(index + 1);
u = u.substring(0, index);
}
_url = urlDecode(u);
_addGetParams(g);
if (!_url.length())
return false;
if (!_temp.startsWith(T_HTTP_1_0))
_version = 1;
_temp = emptyString;
return true;
}
bool AsyncWebServerRequest::_parseReqHeader() {
int index = _temp.indexOf(':');
if (index) {
String name(_temp.substring(0, index));
String value(_temp.substring(index + 2));
if (name.equalsIgnoreCase(T_Host)) {
_host = value;
} else if (name.equalsIgnoreCase(T_Content_Type)) {
_contentType = value.substring(0, value.indexOf(';'));
if (value.startsWith(T_MULTIPART_)) {
_boundary = value.substring(value.indexOf('=') + 1);
_boundary.replace(String('"'), String());
_isMultipart = true;
}
} else if (name.equalsIgnoreCase(T_Content_Length)) {
_contentLength = atoi(value.c_str());
} else if (name.equalsIgnoreCase(T_EXPECT) && value.equalsIgnoreCase(T_100_CONTINUE)) {
_expectingContinue = true;
} else if (name.equalsIgnoreCase(T_AUTH)) {
int space = value.indexOf(' ');
if (space == -1) {
_authorization = value;
_authMethod = AsyncAuthType::AUTH_OTHER;
} else {
String method = value.substring(0, space);
if (method.equalsIgnoreCase(T_BASIC)) {
_authMethod = AsyncAuthType::AUTH_BASIC;
} else if (method.equalsIgnoreCase(T_DIGEST)) {
_authMethod = AsyncAuthType::AUTH_DIGEST;
} else if (method.equalsIgnoreCase(T_BEARER)) {
_authMethod = AsyncAuthType::AUTH_BEARER;
} else {
_authMethod = AsyncAuthType::AUTH_OTHER;
}
_authorization = value.substring(space + 1);
}
} else if (name.equalsIgnoreCase(T_UPGRADE) && value.equalsIgnoreCase(T_WS)) {
// WebSocket request can be uniquely identified by header: [Upgrade: websocket]
_reqconntype = RCT_WS;
} else if (name.equalsIgnoreCase(T_ACCEPT)) {
String lowcase(value);
lowcase.toLowerCase();
#ifndef ESP8266
const char* substr = std::strstr(lowcase.c_str(), T_text_event_stream);
#else
const char* substr = std::strstr(lowcase.c_str(), String(T_text_event_stream).c_str());
#endif
if (substr != NULL) {
// WebEvent request can be uniquely identified by header: [Accept: text/event-stream]
_reqconntype = RCT_EVENT;
}
}
_headers.emplace_back(name, value);
}
#ifndef TARGET_RP2040
_temp.clear();
#else
// Ancient PRI core does not have String::clear() method 8-()
_temp = emptyString;
#endif
return true;
}
void AsyncWebServerRequest::_parsePlainPostChar(uint8_t data) {
if (data && (char)data != '&')
_temp += (char)data;
if (!data || (char)data == '&' || _parsedLength == _contentLength) {
String name(T_BODY);
String value(_temp);
if (!(_temp.charAt(0) == '{') && !(_temp.charAt(0) == '[') && _temp.indexOf('=') > 0) {
name = _temp.substring(0, _temp.indexOf('='));
value = _temp.substring(_temp.indexOf('=') + 1);
}
_params.emplace_back(urlDecode(name), urlDecode(value), true);
#ifndef TARGET_RP2040
_temp.clear();
#else
// Ancient PRI core does not have String::clear() method 8-()
_temp = emptyString;
#endif
}
}
void AsyncWebServerRequest::_handleUploadByte(uint8_t data, bool last) {
_itemBuffer[_itemBufferIndex++] = data;
if (last || _itemBufferIndex == RESPONSE_STREAM_BUFFER_SIZE) {
// check if authenticated before calling the upload
if (_handler)
_handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, false);
_itemBufferIndex = 0;
}
}
enum {
EXPECT_BOUNDARY,
PARSE_HEADERS,
WAIT_FOR_RETURN1,
EXPECT_FEED1,
EXPECT_DASH1,
EXPECT_DASH2,
BOUNDARY_OR_DATA,
DASH3_OR_RETURN2,
EXPECT_FEED2,
PARSING_FINISHED,
PARSE_ERROR
};
void AsyncWebServerRequest::_parseMultipartPostByte(uint8_t data, bool last) {
#define itemWriteByte(b) \
do { \
_itemSize++; \
if (_itemIsFile) \
_handleUploadByte(b, last); \
else \
_itemValue += (char)(b); \
} while (0)
if (!_parsedLength) {
_multiParseState = EXPECT_BOUNDARY;
_temp = emptyString;
_itemName = emptyString;
_itemFilename = emptyString;
_itemType = emptyString;
}
if (_multiParseState == WAIT_FOR_RETURN1) {
if (data != '\r') {
itemWriteByte(data);
} else {
_multiParseState = EXPECT_FEED1;
}
} else if (_multiParseState == EXPECT_BOUNDARY) {
if (_parsedLength < 2 && data != '-') {
_multiParseState = PARSE_ERROR;
return;
} else if (_parsedLength - 2 < _boundary.length() && _boundary.c_str()[_parsedLength - 2] != data) {
_multiParseState = PARSE_ERROR;
return;
} else if (_parsedLength - 2 == _boundary.length() && data != '\r') {
_multiParseState = PARSE_ERROR;
return;
} else if (_parsedLength - 3 == _boundary.length()) {
if (data != '\n') {
_multiParseState = PARSE_ERROR;
return;
}
_multiParseState = PARSE_HEADERS;
_itemIsFile = false;
}
} else if (_multiParseState == PARSE_HEADERS) {
if ((char)data != '\r' && (char)data != '\n')
_temp += (char)data;
if ((char)data == '\n') {
if (_temp.length()) {
if (_temp.length() > 12 && _temp.substring(0, 12).equalsIgnoreCase(T_Content_Type)) {
_itemType = _temp.substring(14);
_itemIsFile = true;
} else if (_temp.length() > 19 && _temp.substring(0, 19).equalsIgnoreCase(T_Content_Disposition)) {
_temp = _temp.substring(_temp.indexOf(';') + 2);
while (_temp.indexOf(';') > 0) {
String name = _temp.substring(0, _temp.indexOf('='));
String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.indexOf(';') - 1);
if (name == T_name) {
_itemName = nameVal;
} else if (name == T_filename) {
_itemFilename = nameVal;
_itemIsFile = true;
}
_temp = _temp.substring(_temp.indexOf(';') + 2);
}
String name = _temp.substring(0, _temp.indexOf('='));
String nameVal = _temp.substring(_temp.indexOf('=') + 2, _temp.length() - 1);
if (name == T_name) {
_itemName = nameVal;
} else if (name == T_filename) {
_itemFilename = nameVal;
_itemIsFile = true;
}
}
_temp = emptyString;
} else {
_multiParseState = WAIT_FOR_RETURN1;
// value starts from here
_itemSize = 0;
_itemStartIndex = _parsedLength;
_itemValue = emptyString;
if (_itemIsFile) {
if (_itemBuffer)
free(_itemBuffer);
_itemBuffer = (uint8_t*)malloc(RESPONSE_STREAM_BUFFER_SIZE);
if (_itemBuffer == NULL) {
_multiParseState = PARSE_ERROR;
return;
}
_itemBufferIndex = 0;
}
}
}
} else if (_multiParseState == EXPECT_FEED1) {
if (data != '\n') {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
_parseMultipartPostByte(data, last);
} else {
_multiParseState = EXPECT_DASH1;
}
} else if (_multiParseState == EXPECT_DASH1) {
if (data != '-') {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
itemWriteByte('\n');
_parseMultipartPostByte(data, last);
} else {
_multiParseState = EXPECT_DASH2;
}
} else if (_multiParseState == EXPECT_DASH2) {
if (data != '-') {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
itemWriteByte('\n');
itemWriteByte('-');
_parseMultipartPostByte(data, last);
} else {
_multiParseState = BOUNDARY_OR_DATA;
_boundaryPosition = 0;
}
} else if (_multiParseState == BOUNDARY_OR_DATA) {
if (_boundaryPosition < _boundary.length() && _boundary.c_str()[_boundaryPosition] != data) {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
itemWriteByte('\n');
itemWriteByte('-');
itemWriteByte('-');
uint8_t i;
for (i = 0; i < _boundaryPosition; i++)
itemWriteByte(_boundary.c_str()[i]);
_parseMultipartPostByte(data, last);
} else if (_boundaryPosition == _boundary.length() - 1) {
_multiParseState = DASH3_OR_RETURN2;
if (!_itemIsFile) {
_params.emplace_back(_itemName, _itemValue, true);
} else {
if (_itemSize) {
if (_handler)
_handler->handleUpload(this, _itemFilename, _itemSize - _itemBufferIndex, _itemBuffer, _itemBufferIndex, true);
_itemBufferIndex = 0;
_params.emplace_back(_itemName, _itemFilename, true, true, _itemSize);
}
free(_itemBuffer);
_itemBuffer = NULL;
}
} else {
_boundaryPosition++;
}
} else if (_multiParseState == DASH3_OR_RETURN2) {
if (data == '-' && (_contentLength - _parsedLength - 4) != 0) {
// os_printf("ERROR: The parser got to the end of the POST but is expecting %u bytes more!\nDrop an issue so we can have more info on the matter!\n", _contentLength - _parsedLength - 4);
_contentLength = _parsedLength + 4; // lets close the request gracefully
}
if (data == '\r') {
_multiParseState = EXPECT_FEED2;
} else if (data == '-' && _contentLength == (_parsedLength + 4)) {
_multiParseState = PARSING_FINISHED;
} else {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
itemWriteByte('\n');
itemWriteByte('-');
itemWriteByte('-');
uint8_t i;
for (i = 0; i < _boundary.length(); i++)
itemWriteByte(_boundary.c_str()[i]);
_parseMultipartPostByte(data, last);
}
} else if (_multiParseState == EXPECT_FEED2) {
if (data == '\n') {
_multiParseState = PARSE_HEADERS;
_itemIsFile = false;
} else {
_multiParseState = WAIT_FOR_RETURN1;
itemWriteByte('\r');
itemWriteByte('\n');
itemWriteByte('-');
itemWriteByte('-');
uint8_t i;
for (i = 0; i < _boundary.length(); i++)
itemWriteByte(_boundary.c_str()[i]);
itemWriteByte('\r');
_parseMultipartPostByte(data, last);
}
}
}
void AsyncWebServerRequest::_parseLine() {
if (_parseState == PARSE_REQ_START) {
if (!_temp.length()) {
_parseState = PARSE_REQ_FAIL;
_client->abort();
} else {
if (_parseReqHead()) {
_parseState = PARSE_REQ_HEADERS;
} else {
_parseState = PARSE_REQ_FAIL;
_client->abort();
}
}
return;
}
if (_parseState == PARSE_REQ_HEADERS) {
if (!_temp.length()) {
// end of headers
_server->_rewriteRequest(this);
_server->_attachHandler(this);
if (_expectingContinue) {
String response(T_HTTP_100_CONT);
_client->write(response.c_str(), response.length());
}
if (_contentLength) {
_parseState = PARSE_REQ_BODY;
} else {
_parseState = PARSE_REQ_END;
_server->_runChain(this, [this]() { return _handler ? _handler->_runChain(this, [this]() { _handler->handleRequest(this); }) : send(501); });
if (!_sent) {
if (!_response)
send(501, T_text_plain, "Handler did not handle the request");
else if (!_response->_sourceValid())
send(500, T_text_plain, "Invalid data in handler");
_client->setRxTimeout(0);
_response->_respond(this);
_sent = true;
}
}
} else
_parseReqHeader();
}
}
size_t AsyncWebServerRequest::headers() const {
return _headers.size();
}
bool AsyncWebServerRequest::hasHeader(const char* name) const {
for (const auto& h : _headers) {
if (h.name().equalsIgnoreCase(name)) {
return true;
}
}
return false;
}
const AsyncWebHeader* AsyncWebServerRequest::getHeader(const char* name) const {
auto iter = std::find_if(std::begin(_headers), std::end(_headers), [&name](const AsyncWebHeader& header) { return header.name().equalsIgnoreCase(name); });
return (iter == std::end(_headers)) ? nullptr : &(*iter);
}
const AsyncWebHeader* AsyncWebServerRequest::getHeader(size_t num) const {
if (num >= _headers.size())
return nullptr;
return &(*std::next(_headers.cbegin(), num));
}
size_t AsyncWebServerRequest::getHeaderNames(std::vector<const char*>& names) const {
const size_t size = _headers.size();
names.reserve(size);
for (const auto& h : _headers) {
names.push_back(h.name().c_str());
}
return size;
}
bool AsyncWebServerRequest::removeHeader(const char* name) {
const size_t size = _headers.size();
_headers.remove_if([name](const AsyncWebHeader& header) { return header.name().equalsIgnoreCase(name); });
return size != _headers.size();
}
size_t AsyncWebServerRequest::params() const {
return _params.size();
}
bool AsyncWebServerRequest::hasParam(const char* name, bool post, bool file) const {
for (const auto& p : _params) {
if (p.name().equals(name) && p.isPost() == post && p.isFile() == file) {
return true;
}
}
return false;
}
const AsyncWebParameter* AsyncWebServerRequest::getParam(const char* name, bool post, bool file) const {
for (const auto& p : _params) {
if (p.name() == name && p.isPost() == post && p.isFile() == file) {
return &p;
}
}
return nullptr;
}
const AsyncWebParameter* AsyncWebServerRequest::getParam(size_t num) const {
if (num >= _params.size())
return nullptr;
return &(*std::next(_params.cbegin(), num));
}
const String& AsyncWebServerRequest::getAttribute(const char* name, const String& defaultValue) const {
auto it = _attributes.find(name);
return it != _attributes.end() ? it->second : defaultValue;
}
bool AsyncWebServerRequest::getAttribute(const char* name, bool defaultValue) const {
auto it = _attributes.find(name);
return it != _attributes.end() ? it->second == "1" : defaultValue;
}
long AsyncWebServerRequest::getAttribute(const char* name, long defaultValue) const {
auto it = _attributes.find(name);
return it != _attributes.end() ? it->second.toInt() : defaultValue;
}
float AsyncWebServerRequest::getAttribute(const char* name, float defaultValue) const {
auto it = _attributes.find(name);
return it != _attributes.end() ? it->second.toFloat() : defaultValue;
}
double AsyncWebServerRequest::getAttribute(const char* name, double defaultValue) const {
auto it = _attributes.find(name);
return it != _attributes.end() ? it->second.toDouble() : defaultValue;
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(int code, const char* contentType, const char* content, AwsTemplateProcessor callback) {
if (callback)
return new AsyncProgmemResponse(code, contentType, (const uint8_t*)content, strlen(content), callback);
return new AsyncBasicResponse(code, contentType, content);
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(int code, const char* contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback) {
return new AsyncProgmemResponse(code, contentType, content, len, callback);
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(FS& fs, const String& path, const char* contentType, bool download, AwsTemplateProcessor callback) {
if (fs.exists(path) || (!download && fs.exists(path + T__gz)))
return new AsyncFileResponse(fs, path, contentType, download, callback);
return NULL;
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(File content, const String& path, const char* contentType, bool download, AwsTemplateProcessor callback) {
if (content == true)
return new AsyncFileResponse(content, path, contentType, download, callback);
return NULL;
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(Stream& stream, const char* contentType, size_t len, AwsTemplateProcessor callback) {
return new AsyncStreamResponse(stream, contentType, len, callback);
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse(const char* contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback) {
return new AsyncCallbackResponse(contentType, len, callback, templateCallback);
}
AsyncWebServerResponse* AsyncWebServerRequest::beginChunkedResponse(const char* contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback) {
if (_version)
return new AsyncChunkedResponse(contentType, callback, templateCallback);
return new AsyncCallbackResponse(contentType, 0, callback, templateCallback);
}
AsyncResponseStream* AsyncWebServerRequest::beginResponseStream(const char* contentType, size_t bufferSize) {
return new AsyncResponseStream(contentType, bufferSize);
}
AsyncWebServerResponse* AsyncWebServerRequest::beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback) {
return new AsyncProgmemResponse(code, contentType, (const uint8_t*)content, strlen_P(content), callback);
}
void AsyncWebServerRequest::send(AsyncWebServerResponse* response) {
if (_sent)
return;
if (_response)
delete _response;
_response = response;
}
void AsyncWebServerRequest::redirect(const char* url, int code) {
AsyncWebServerResponse* response = beginResponse(code);
response->addHeader(T_LOCATION, url);
send(response);
}
bool AsyncWebServerRequest::authenticate(const char* username, const char* password, const char* realm, bool passwordIsHash) const {
if (_authorization.length()) {
if (_authMethod == AsyncAuthType::AUTH_DIGEST)
return checkDigestAuthentication(_authorization.c_str(), methodToString(), username, password, realm, passwordIsHash, NULL, NULL, NULL);
else if (!passwordIsHash)
return checkBasicAuthentication(_authorization.c_str(), username, password);
else
return _authorization.equals(password);
}
return false;
}
bool AsyncWebServerRequest::authenticate(const char* hash) const {
if (!_authorization.length() || hash == NULL)
return false;
if (_authMethod == AsyncAuthType::AUTH_DIGEST) {
String hStr = String(hash);
int separator = hStr.indexOf(':');
if (separator <= 0)
return false;
String username = hStr.substring(0, separator);
hStr = hStr.substring(separator + 1);
separator = hStr.indexOf(':');
if (separator <= 0)
return false;
String realm = hStr.substring(0, separator);
hStr = hStr.substring(separator + 1);
return checkDigestAuthentication(_authorization.c_str(), methodToString(), username.c_str(), hStr.c_str(), realm.c_str(), true, NULL, NULL, NULL);
}
// Basic Auth, Bearer Auth, or other
return (_authorization.equals(hash));
}
void AsyncWebServerRequest::requestAuthentication(AsyncAuthType method, const char* realm, const char* _authFailMsg) {
if (!realm)
realm = T_LOGIN_REQ;
AsyncWebServerResponse* r = _authFailMsg ? beginResponse(401, T_text_html, _authFailMsg) : beginResponse(401);
switch (method) {
case AsyncAuthType::AUTH_BASIC: {
String header;
header.reserve(strlen(T_BASIC_REALM) + strlen(realm) + 1);
header.concat(T_BASIC_REALM);
header.concat(realm);
header.concat('"');
r->addHeader(T_WWW_AUTH, header.c_str());
break;
}
case AsyncAuthType::AUTH_DIGEST: {
size_t len = strlen(T_DIGEST_) + strlen(T_realm__) + strlen(T_auth_nonce) + 32 + strlen(T__opaque) + 32 + 1;
String header;
header.reserve(len + strlen(realm));
header.concat(T_DIGEST_);
header.concat(T_realm__);
header.concat(realm);
header.concat(T_auth_nonce);
header.concat(genRandomMD5());
header.concat(T__opaque);
header.concat(genRandomMD5());
header.concat((char)0x22); // '"'
r->addHeader(T_WWW_AUTH, header.c_str());
break;
}
default:
break;
}
send(r);
}
bool AsyncWebServerRequest::hasArg(const char* name) const {
for (const auto& arg : _params) {
if (arg.name() == name) {
return true;
}
}
return false;
}
const String& AsyncWebServerRequest::arg(const char* name) const {
for (const auto& arg : _params) {
if (arg.name() == name) {
return arg.value();
}
}
return emptyString;
}
const String& AsyncWebServerRequest::arg(size_t i) const {
return getParam(i)->value();
}
const String& AsyncWebServerRequest::argName(size_t i) const {
return getParam(i)->name();
}
const String& AsyncWebServerRequest::pathArg(size_t i) const {
return i < _pathParams.size() ? _pathParams[i] : emptyString;
}
const String& AsyncWebServerRequest::header(const char* name) const {
const AsyncWebHeader* h = getHeader(name);
return h ? h->value() : emptyString;
}
const String& AsyncWebServerRequest::header(size_t i) const {
const AsyncWebHeader* h = getHeader(i);
return h ? h->value() : emptyString;
}
const String& AsyncWebServerRequest::headerName(size_t i) const {
const AsyncWebHeader* h = getHeader(i);
return h ? h->name() : emptyString;
}
String AsyncWebServerRequest::urlDecode(const String& text) const {
char temp[] = "0x00";
unsigned int len = text.length();
unsigned int i = 0;
String decoded;
decoded.reserve(len); // Allocate the string internal buffer - never longer from source text
while (i < len) {
char decodedChar;
char encodedChar = text.charAt(i++);
if ((encodedChar == '%') && (i + 1 < len)) {
temp[2] = text.charAt(i++);
temp[3] = text.charAt(i++);
decodedChar = strtol(temp, NULL, 16);
} else if (encodedChar == '+') {
decodedChar = ' ';
} else {
decodedChar = encodedChar; // normal ascii char
}
decoded.concat(decodedChar);
}
return decoded;
}
const char* AsyncWebServerRequest::methodToString() const {
if (_method == HTTP_ANY)
return T_ANY;
if (_method & HTTP_GET)
return T_GET;
if (_method & HTTP_POST)
return T_POST;
if (_method & HTTP_DELETE)
return T_DELETE;
if (_method & HTTP_PUT)
return T_PUT;
if (_method & HTTP_PATCH)
return T_PATCH;
if (_method & HTTP_HEAD)
return T_HEAD;
if (_method & HTTP_OPTIONS)
return T_OPTIONS;
return T_UNKNOWN;
}
const char* AsyncWebServerRequest::requestedConnTypeToString() const {
switch (_reqconntype) {
case RCT_NOT_USED:
return T_RCT_NOT_USED;
case RCT_DEFAULT:
return T_RCT_DEFAULT;
case RCT_HTTP:
return T_RCT_HTTP;
case RCT_WS:
return T_RCT_WS;
case RCT_EVENT:
return T_RCT_EVENT;
default:
return T_ERROR;
}
}
bool AsyncWebServerRequest::isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2, RequestedConnectionType erct3) const {
return ((erct1 != RCT_NOT_USED) && (erct1 == _reqconntype)) ||
((erct2 != RCT_NOT_USED) && (erct2 == _reqconntype)) ||
((erct3 != RCT_NOT_USED) && (erct3 == _reqconntype));
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSERVERRESPONSEIMPL_H_
#define ASYNCWEBSERVERRESPONSEIMPL_H_
#ifdef Arduino_h
// arduino is not compatible with std::vector
#undef min
#undef max
#endif
#include "literals.h"
#include <StreamString.h>
#include <memory>
#include <vector>
// It is possible to restore these defines, but one can use _min and _max instead. Or std::min, std::max.
class AsyncBasicResponse : public AsyncWebServerResponse {
private:
String _content;
public:
explicit AsyncBasicResponse(int code, const char* contentType = asyncsrv::empty, const char* content = asyncsrv::empty);
AsyncBasicResponse(int code, const String& contentType, const String& content = emptyString) : AsyncBasicResponse(code, contentType.c_str(), content.c_str()) {}
void _respond(AsyncWebServerRequest* request) override final;
size_t _ack(AsyncWebServerRequest* request, size_t len, uint32_t time) override final;
bool _sourceValid() const override final { return true; }
};
class AsyncAbstractResponse : public AsyncWebServerResponse {
private:
// amount of responce data in-flight, i.e. sent, but not acked yet
size_t _in_flight{0};
// in-flight queue credits
size_t _in_flight_credit{2};
String _head;
// Data is inserted into cache at begin().
// This is inefficient with vector, but if we use some other container,
// we won't be able to access it as contiguous array of bytes when reading from it,
// so by gaining performance in one place, we'll lose it in another.
std::vector<uint8_t> _cache;
size_t _readDataFromCacheOrContent(uint8_t* data, const size_t len);
size_t _fillBufferAndProcessTemplates(uint8_t* buf, size_t maxLen);
protected:
AwsTemplateProcessor _callback;
public:
AsyncAbstractResponse(AwsTemplateProcessor callback = nullptr);
virtual ~AsyncAbstractResponse() {}
void _respond(AsyncWebServerRequest* request) override final;
size_t _ack(AsyncWebServerRequest* request, size_t len, uint32_t time) override final;
virtual bool _sourceValid() const { return false; }
virtual size_t _fillBuffer(uint8_t* buf __attribute__((unused)), size_t maxLen __attribute__((unused))) { return 0; }
};
#ifndef TEMPLATE_PLACEHOLDER
#define TEMPLATE_PLACEHOLDER '%'
#endif
#define TEMPLATE_PARAM_NAME_LENGTH 32
class AsyncFileResponse : public AsyncAbstractResponse {
using File = fs::File;
using FS = fs::FS;
private:
File _content;
String _path;
void _setContentTypeFromPath(const String& path);
public:
AsyncFileResponse(FS& fs, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr);
AsyncFileResponse(FS& fs, const String& path, const String& contentType, bool download = false, AwsTemplateProcessor callback = nullptr) : AsyncFileResponse(fs, path, contentType.c_str(), download, callback) {}
AsyncFileResponse(File content, const String& path, const char* contentType = asyncsrv::empty, bool download = false, AwsTemplateProcessor callback = nullptr);
AsyncFileResponse(File content, const String& path, const String& contentType, bool download = false, AwsTemplateProcessor callack = nullptr) : AsyncFileResponse(content, path, contentType.c_str(), download, callack) {}
~AsyncFileResponse() { _content.close(); }
bool _sourceValid() const override final { return !!(_content); }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
};
class AsyncStreamResponse : public AsyncAbstractResponse {
private:
Stream* _content;
public:
AsyncStreamResponse(Stream& stream, const char* contentType, size_t len, AwsTemplateProcessor callback = nullptr);
AsyncStreamResponse(Stream& stream, const String& contentType, size_t len, AwsTemplateProcessor callback = nullptr) : AsyncStreamResponse(stream, contentType.c_str(), len, callback) {}
bool _sourceValid() const override final { return !!(_content); }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
};
class AsyncCallbackResponse : public AsyncAbstractResponse {
private:
AwsResponseFiller _content;
size_t _filledLength;
public:
AsyncCallbackResponse(const char* contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr);
AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) : AsyncCallbackResponse(contentType.c_str(), len, callback, templateCallback) {}
bool _sourceValid() const override final { return !!(_content); }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
};
class AsyncChunkedResponse : public AsyncAbstractResponse {
private:
AwsResponseFiller _content;
size_t _filledLength;
public:
AsyncChunkedResponse(const char* contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr);
AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback = nullptr) : AsyncChunkedResponse(contentType.c_str(), callback, templateCallback) {}
bool _sourceValid() const override final { return !!(_content); }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
};
class AsyncProgmemResponse : public AsyncAbstractResponse {
private:
const uint8_t* _content;
size_t _readLength;
public:
AsyncProgmemResponse(int code, const char* contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr);
AsyncProgmemResponse(int code, const String& contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback = nullptr) : AsyncProgmemResponse(code, contentType.c_str(), content, len, callback) {}
bool _sourceValid() const override final { return true; }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
};
class AsyncResponseStream : public AsyncAbstractResponse, public Print {
private:
StreamString _content;
public:
AsyncResponseStream(const char* contentType, size_t bufferSize);
AsyncResponseStream(const String& contentType, size_t bufferSize) : AsyncResponseStream(contentType.c_str(), bufferSize) {}
bool _sourceValid() const override final { return (_state < RESPONSE_END); }
size_t _fillBuffer(uint8_t* buf, size_t maxLen) override final;
size_t write(const uint8_t* data, size_t len);
size_t write(uint8_t data);
using Print::write;
};
#endif /* ASYNCWEBSERVERRESPONSEIMPL_H_ */

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebResponseImpl.h"
using namespace asyncsrv;
// Since ESP8266 does not link memchr by default, here's its implementation.
void* memchr(void* ptr, int ch, size_t count) {
unsigned char* p = static_cast<unsigned char*>(ptr);
while (count--)
if (*p++ == static_cast<unsigned char>(ch))
return --p;
return nullptr;
}
/*
* Abstract Response
*
*/
const char* AsyncWebServerResponse::responseCodeToString(int code) {
switch (code) {
case 100:
return T_HTTP_CODE_100;
case 101:
return T_HTTP_CODE_101;
case 200:
return T_HTTP_CODE_200;
case 201:
return T_HTTP_CODE_201;
case 202:
return T_HTTP_CODE_202;
case 203:
return T_HTTP_CODE_203;
case 204:
return T_HTTP_CODE_204;
case 205:
return T_HTTP_CODE_205;
case 206:
return T_HTTP_CODE_206;
case 300:
return T_HTTP_CODE_300;
case 301:
return T_HTTP_CODE_301;
case 302:
return T_HTTP_CODE_302;
case 303:
return T_HTTP_CODE_303;
case 304:
return T_HTTP_CODE_304;
case 305:
return T_HTTP_CODE_305;
case 307:
return T_HTTP_CODE_307;
case 400:
return T_HTTP_CODE_400;
case 401:
return T_HTTP_CODE_401;
case 402:
return T_HTTP_CODE_402;
case 403:
return T_HTTP_CODE_403;
case 404:
return T_HTTP_CODE_404;
case 405:
return T_HTTP_CODE_405;
case 406:
return T_HTTP_CODE_406;
case 407:
return T_HTTP_CODE_407;
case 408:
return T_HTTP_CODE_408;
case 409:
return T_HTTP_CODE_409;
case 410:
return T_HTTP_CODE_410;
case 411:
return T_HTTP_CODE_411;
case 412:
return T_HTTP_CODE_412;
case 413:
return T_HTTP_CODE_413;
case 414:
return T_HTTP_CODE_414;
case 415:
return T_HTTP_CODE_415;
case 416:
return T_HTTP_CODE_416;
case 417:
return T_HTTP_CODE_417;
case 429:
return T_HTTP_CODE_429;
case 500:
return T_HTTP_CODE_500;
case 501:
return T_HTTP_CODE_501;
case 502:
return T_HTTP_CODE_502;
case 503:
return T_HTTP_CODE_503;
case 504:
return T_HTTP_CODE_504;
case 505:
return T_HTTP_CODE_505;
default:
return T_HTTP_CODE_ANY;
}
}
AsyncWebServerResponse::AsyncWebServerResponse()
: _code(0), _contentType(), _contentLength(0), _sendContentLength(true), _chunked(false), _headLength(0), _sentLength(0), _ackedLength(0), _writtenLength(0), _state(RESPONSE_SETUP) {
for (const auto& header : DefaultHeaders::Instance()) {
_headers.emplace_back(header);
}
}
void AsyncWebServerResponse::setCode(int code) {
if (_state == RESPONSE_SETUP)
_code = code;
}
void AsyncWebServerResponse::setContentLength(size_t len) {
if (_state == RESPONSE_SETUP && addHeader(T_Content_Length, len, true))
_contentLength = len;
}
void AsyncWebServerResponse::setContentType(const char* type) {
if (_state == RESPONSE_SETUP && addHeader(T_Content_Type, type, true))
_contentType = type;
}
bool AsyncWebServerResponse::removeHeader(const char* name) {
for (auto i = _headers.begin(); i != _headers.end(); ++i) {
if (i->name().equalsIgnoreCase(name)) {
_headers.erase(i);
return true;
}
}
return false;
}
const AsyncWebHeader* AsyncWebServerResponse::getHeader(const char* name) const {
auto iter = std::find_if(std::begin(_headers), std::end(_headers), [&name](const AsyncWebHeader& header) { return header.name().equalsIgnoreCase(name); });
return (iter == std::end(_headers)) ? nullptr : &(*iter);
}
bool AsyncWebServerResponse::addHeader(const char* name, const char* value, bool replaceExisting) {
for (auto i = _headers.begin(); i != _headers.end(); ++i) {
if (i->name().equalsIgnoreCase(name)) {
// header already set
if (replaceExisting) {
// remove, break and add the new one
_headers.erase(i);
break;
} else {
// do not update
return false;
}
}
}
// header was not found found, or existing one was removed
_headers.emplace_back(name, value);
return true;
}
void AsyncWebServerResponse::_assembleHead(String& buffer, uint8_t version) {
if (version) {
addHeader(T_Accept_Ranges, T_none, false);
if (_chunked)
addHeader(T_Transfer_Encoding, T_chunked, false);
}
if (_sendContentLength)
addHeader(T_Content_Length, String(_contentLength), false);
if (_contentType.length())
addHeader(T_Content_Type, _contentType.c_str(), false);
// precompute buffer size to avoid reallocations by String class
size_t len = 0;
len += 50; // HTTP/1.1 200 <reason>\r\n
for (const auto& header : _headers)
len += header.name().length() + header.value().length() + 4;
// prepare buffer
buffer.reserve(len);
// HTTP header
buffer.concat("HTTP/1.");
buffer.concat(version);
buffer.concat(' ');
buffer.concat(_code);
buffer.concat(' ');
buffer.concat(responseCodeToString(_code));
buffer.concat(T_rn);
// Add headers
for (const auto& header : _headers) {
buffer.concat(header.name());
buffer.concat(": ");
buffer.concat(header.value());
buffer.concat(T_rn);
}
buffer.concat(T_rn);
_headLength = buffer.length();
}
bool AsyncWebServerResponse::_started() const { return _state > RESPONSE_SETUP; }
bool AsyncWebServerResponse::_finished() const { return _state > RESPONSE_WAIT_ACK; }
bool AsyncWebServerResponse::_failed() const { return _state == RESPONSE_FAILED; }
bool AsyncWebServerResponse::_sourceValid() const { return false; }
void AsyncWebServerResponse::_respond(AsyncWebServerRequest* request) {
_state = RESPONSE_END;
request->client()->close();
}
size_t AsyncWebServerResponse::_ack(AsyncWebServerRequest* request, size_t len, uint32_t time) {
(void)request;
(void)len;
(void)time;
return 0;
}
/*
* String/Code Response
* */
AsyncBasicResponse::AsyncBasicResponse(int code, const char* contentType, const char* content) {
_code = code;
_content = content;
_contentType = contentType;
if (_content.length()) {
_contentLength = _content.length();
if (!_contentType.length())
_contentType = T_text_plain;
}
addHeader(T_Connection, T_close, false);
}
void AsyncBasicResponse::_respond(AsyncWebServerRequest* request) {
_state = RESPONSE_HEADERS;
String out;
_assembleHead(out, request->version());
size_t outLen = out.length();
size_t space = request->client()->space();
if (!_contentLength && space >= outLen) {
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if (_contentLength && space >= outLen + _contentLength) {
out += _content;
outLen += _contentLength;
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if (space && space < outLen) {
String partial = out.substring(0, space);
_content = out.substring(space) + _content;
_contentLength += outLen - space;
_writtenLength += request->client()->write(partial.c_str(), partial.length());
_state = RESPONSE_CONTENT;
} else if (space > outLen && space < (outLen + _contentLength)) {
size_t shift = space - outLen;
outLen += shift;
_sentLength += shift;
out += _content.substring(0, shift);
_content = _content.substring(shift);
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_CONTENT;
} else {
_content = out + _content;
_contentLength += outLen;
_state = RESPONSE_CONTENT;
}
}
size_t AsyncBasicResponse::_ack(AsyncWebServerRequest* request, size_t len, uint32_t time) {
(void)time;
_ackedLength += len;
if (_state == RESPONSE_CONTENT) {
size_t available = _contentLength - _sentLength;
size_t space = request->client()->space();
// we can fit in this packet
if (space > available) {
_writtenLength += request->client()->write(_content.c_str(), available);
_content = emptyString;
_state = RESPONSE_WAIT_ACK;
return available;
}
// send some data, the rest on ack
String out = _content.substring(0, space);
_content = _content.substring(space);
_sentLength += space;
_writtenLength += request->client()->write(out.c_str(), space);
return space;
} else if (_state == RESPONSE_WAIT_ACK) {
if (_ackedLength >= _writtenLength) {
_state = RESPONSE_END;
}
}
return 0;
}
/*
* Abstract Response
* */
AsyncAbstractResponse::AsyncAbstractResponse(AwsTemplateProcessor callback) : _callback(callback) {
// In case of template processing, we're unable to determine real response size
if (callback) {
_contentLength = 0;
_sendContentLength = false;
_chunked = true;
}
}
void AsyncAbstractResponse::_respond(AsyncWebServerRequest* request) {
addHeader(T_Connection, T_close, false);
_assembleHead(_head, request->version());
_state = RESPONSE_HEADERS;
_ack(request, 0, 0);
}
size_t AsyncAbstractResponse::_ack(AsyncWebServerRequest* request, size_t len, uint32_t time) {
(void)time;
if (!_sourceValid()) {
_state = RESPONSE_FAILED;
request->client()->close();
return 0;
}
// return a credit for each chunk of acked data (polls does not give any credits)
if (len)
++_in_flight_credit;
// for chunked responses ignore acks if there are no _in_flight_credits left
if (_chunked && !_in_flight_credit) {
log_d("(chunk) out of in-flight credits");
return 0;
}
_ackedLength += len;
_in_flight -= (_in_flight > len) ? len : _in_flight;
// get the size of available sock space
size_t space = request->client()->space();
size_t headLen = _head.length();
if (_state == RESPONSE_HEADERS) {
if (space >= headLen) {
_state = RESPONSE_CONTENT;
space -= headLen;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
_writtenLength += request->client()->write(out.c_str(), out.length());
_in_flight += out.length();
--_in_flight_credit; // take a credit
return out.length();
}
}
if (_state == RESPONSE_CONTENT) {
// for response data we need to control the queue and in-flight fragmentation. Sending small chunks could give low latency,
// but flood asynctcp's queue and fragment socket buffer space for large responses.
// Let's ignore polled acks and acks in case when we have more in-flight data then the available socket buff space.
// That way we could balance on having half the buffer in-flight while another half is filling up, while minimizing events in asynctcp q
if (_in_flight > space) {
// log_d("defer user call %u/%u", _in_flight, space);
// take the credit back since we are ignoring this ack and rely on other inflight data
if (len)
--_in_flight_credit;
return 0;
}
size_t outLen;
if (_chunked) {
if (space <= 8) {
return 0;
}
outLen = space;
} else if (!_sendContentLength) {
outLen = space;
} else {
outLen = ((_contentLength - _sentLength) > space) ? space : (_contentLength - _sentLength);
}
uint8_t* buf = (uint8_t*)malloc(outLen + headLen);
if (!buf) {
// os_printf("_ack malloc %d failed\n", outLen+headLen);
return 0;
}
if (headLen) {
memcpy(buf, _head.c_str(), _head.length());
}
size_t readLen = 0;
if (_chunked) {
// HTTP 1.1 allows leading zeros in chunk length. Or spaces may be added.
// See RFC2616 sections 2, 3.6.1.
readLen = _fillBufferAndProcessTemplates(buf + headLen + 6, outLen - 8);
if (readLen == RESPONSE_TRY_AGAIN) {
free(buf);
return 0;
}
outLen = sprintf((char*)buf + headLen, "%04x", readLen) + headLen;
buf[outLen++] = '\r';
buf[outLen++] = '\n';
outLen += readLen;
buf[outLen++] = '\r';
buf[outLen++] = '\n';
} else {
readLen = _fillBufferAndProcessTemplates(buf + headLen, outLen);
if (readLen == RESPONSE_TRY_AGAIN) {
free(buf);
return 0;
}
outLen = readLen + headLen;
}
if (headLen) {
_head = emptyString;
}
if (outLen) {
_writtenLength += request->client()->write((const char*)buf, outLen);
_in_flight += outLen;
--_in_flight_credit; // take a credit
}
if (_chunked) {
_sentLength += readLen;
} else {
_sentLength += outLen - headLen;
}
free(buf);
if ((_chunked && readLen == 0) || (!_sendContentLength && outLen == 0) || (!_chunked && _sentLength == _contentLength)) {
_state = RESPONSE_WAIT_ACK;
}
return outLen;
} else if (_state == RESPONSE_WAIT_ACK) {
if (!_sendContentLength || _ackedLength >= _writtenLength) {
_state = RESPONSE_END;
if (!_chunked && !_sendContentLength)
request->client()->close(true);
}
}
return 0;
}
size_t AsyncAbstractResponse::_readDataFromCacheOrContent(uint8_t* data, const size_t len) {
// If we have something in cache, copy it to buffer
const size_t readFromCache = std::min(len, _cache.size());
if (readFromCache) {
memcpy(data, _cache.data(), readFromCache);
_cache.erase(_cache.begin(), _cache.begin() + readFromCache);
}
// If we need to read more...
const size_t needFromFile = len - readFromCache;
const size_t readFromContent = _fillBuffer(data + readFromCache, needFromFile);
return readFromCache + readFromContent;
}
size_t AsyncAbstractResponse::_fillBufferAndProcessTemplates(uint8_t* data, size_t len) {
if (!_callback)
return _fillBuffer(data, len);
const size_t originalLen = len;
len = _readDataFromCacheOrContent(data, len);
// Now we've read 'len' bytes, either from cache or from file
// Search for template placeholders
uint8_t* pTemplateStart = data;
while ((pTemplateStart < &data[len]) && (pTemplateStart = (uint8_t*)memchr(pTemplateStart, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart + 1))) { // data[0] ... data[len - 1]
uint8_t* pTemplateEnd = (pTemplateStart < &data[len - 1]) ? (uint8_t*)memchr(pTemplateStart + 1, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart) : nullptr;
// temporary buffer to hold parameter name
uint8_t buf[TEMPLATE_PARAM_NAME_LENGTH + 1];
String paramName;
// If closing placeholder is found:
if (pTemplateEnd) {
// prepare argument to callback
const size_t paramNameLength = std::min((size_t)sizeof(buf) - 1, (size_t)(pTemplateEnd - pTemplateStart - 1));
if (paramNameLength) {
memcpy(buf, pTemplateStart + 1, paramNameLength);
buf[paramNameLength] = 0;
paramName = String(reinterpret_cast<char*>(buf));
} else { // double percent sign encountered, this is single percent sign escaped.
// remove the 2nd percent sign
memmove(pTemplateEnd, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
len += _readDataFromCacheOrContent(&data[len - 1], 1) - 1;
++pTemplateStart;
}
} else if (&data[len - 1] - pTemplateStart + 1 < TEMPLATE_PARAM_NAME_LENGTH + 2) { // closing placeholder not found, check if it's in the remaining file data
memcpy(buf, pTemplateStart + 1, &data[len - 1] - pTemplateStart);
const size_t readFromCacheOrContent = _readDataFromCacheOrContent(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PARAM_NAME_LENGTH + 2 - (&data[len - 1] - pTemplateStart + 1));
if (readFromCacheOrContent) {
pTemplateEnd = (uint8_t*)memchr(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PLACEHOLDER, readFromCacheOrContent);
if (pTemplateEnd) {
// prepare argument to callback
*pTemplateEnd = 0;
paramName = String(reinterpret_cast<char*>(buf));
// Copy remaining read-ahead data into cache
_cache.insert(_cache.begin(), pTemplateEnd + 1, buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
pTemplateEnd = &data[len - 1];
} else // closing placeholder not found in file data, store found percent symbol as is and advance to the next position
{
// but first, store read file data in cache
_cache.insert(_cache.begin(), buf + (&data[len - 1] - pTemplateStart), buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
++pTemplateStart;
}
} else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
++pTemplateStart;
} else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
++pTemplateStart;
if (paramName.length()) {
// call callback and replace with result.
// Everything in range [pTemplateStart, pTemplateEnd] can be safely replaced with parameter value.
// Data after pTemplateEnd may need to be moved.
// The first byte of data after placeholder is located at pTemplateEnd + 1.
// It should be located at pTemplateStart + numBytesCopied (to begin right after inserted parameter value).
const String paramValue(_callback(paramName));
const char* pvstr = paramValue.c_str();
const unsigned int pvlen = paramValue.length();
const size_t numBytesCopied = std::min(pvlen, static_cast<unsigned int>(&data[originalLen - 1] - pTemplateStart + 1));
// make room for param value
// 1. move extra data to cache if parameter value is longer than placeholder AND if there is no room to store
if ((pTemplateEnd + 1 < pTemplateStart + numBytesCopied) && (originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1) < len)) {
_cache.insert(_cache.begin(), &data[originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1)], &data[len]);
// 2. parameter value is longer than placeholder text, push the data after placeholder which not saved into cache further to the end
memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[originalLen] - pTemplateStart - numBytesCopied);
len = originalLen; // fix issue with truncated data, not sure if it has any side effects
} else if (pTemplateEnd + 1 != pTemplateStart + numBytesCopied)
// 2. Either parameter value is shorter than placeholder text OR there is enough free space in buffer to fit.
// Move the entire data after the placeholder
memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
// 3. replace placeholder with actual value
memcpy(pTemplateStart, pvstr, numBytesCopied);
// If result is longer than buffer, copy the remainder into cache (this could happen only if placeholder text itself did not fit entirely in buffer)
if (numBytesCopied < pvlen) {
_cache.insert(_cache.begin(), pvstr + numBytesCopied, pvstr + pvlen);
} else if (pTemplateStart + numBytesCopied < pTemplateEnd + 1) { // result is copied fully; if result is shorter than placeholder text...
// there is some free room, fill it from cache
const size_t roomFreed = pTemplateEnd + 1 - pTemplateStart - numBytesCopied;
const size_t totalFreeRoom = originalLen - len + roomFreed;
len += _readDataFromCacheOrContent(&data[len - roomFreed], totalFreeRoom) - roomFreed;
} else { // result is copied fully; it is longer than placeholder text
const size_t roomTaken = pTemplateStart + numBytesCopied - pTemplateEnd - 1;
len = std::min(len + roomTaken, originalLen);
}
}
} // while(pTemplateStart)
return len;
}
/*
* File Response
* */
void AsyncFileResponse::_setContentTypeFromPath(const String& path) {
#if HAVE_EXTERN_GET_Content_Type_FUNCTION
#ifndef ESP8266
extern const char* getContentType(const String& path);
#else
extern const __FlashStringHelper* getContentType(const String& path);
#endif
_contentType = getContentType(path);
#else
if (path.endsWith(T__html))
_contentType = T_text_html;
else if (path.endsWith(T__htm))
_contentType = T_text_html;
else if (path.endsWith(T__css))
_contentType = T_text_css;
else if (path.endsWith(T__json))
_contentType = T_application_json;
else if (path.endsWith(T__js))
_contentType = T_application_javascript;
else if (path.endsWith(T__png))
_contentType = T_image_png;
else if (path.endsWith(T__gif))
_contentType = T_image_gif;
else if (path.endsWith(T__jpg))
_contentType = T_image_jpeg;
else if (path.endsWith(T__ico))
_contentType = T_image_x_icon;
else if (path.endsWith(T__svg))
_contentType = T_image_svg_xml;
else if (path.endsWith(T__eot))
_contentType = T_font_eot;
else if (path.endsWith(T__woff))
_contentType = T_font_woff;
else if (path.endsWith(T__woff2))
_contentType = T_font_woff2;
else if (path.endsWith(T__ttf))
_contentType = T_font_ttf;
else if (path.endsWith(T__xml))
_contentType = T_text_xml;
else if (path.endsWith(T__pdf))
_contentType = T_application_pdf;
else if (path.endsWith(T__zip))
_contentType = T_application_zip;
else if (path.endsWith(T__gz))
_contentType = T_application_x_gzip;
else
_contentType = T_text_plain;
#endif
}
AsyncFileResponse::AsyncFileResponse(FS& fs, const String& path, const char* contentType, bool download, AwsTemplateProcessor callback) : AsyncAbstractResponse(callback) {
_code = 200;
_path = path;
if (!download && !fs.exists(_path) && fs.exists(_path + T__gz)) {
_path = _path + T__gz;
addHeader(T_Content_Encoding, T_gzip, false);
_callback = nullptr; // Unable to process zipped templates
_sendContentLength = true;
_chunked = false;
}
_content = fs.open(_path, fs::FileOpenMode::read);
_contentLength = _content.size();
if (strlen(contentType) == 0)
_setContentTypeFromPath(path);
else
_contentType = contentType;
int filenameStart = path.lastIndexOf('/') + 1;
char buf[26 + path.length() - filenameStart];
char* filename = (char*)path.c_str() + filenameStart;
if (download) {
// set filename and force download
snprintf_P(buf, sizeof(buf), PSTR("attachment; filename=\"%s\""), filename);
} else {
// set filename and force rendering
snprintf_P(buf, sizeof(buf), PSTR("inline"));
}
addHeader(T_Content_Disposition, buf, false);
}
AsyncFileResponse::AsyncFileResponse(File content, const String& path, const char* contentType, bool download, AwsTemplateProcessor callback) : AsyncAbstractResponse(callback) {
_code = 200;
_path = path;
if (!download && String(content.name()).endsWith(T__gz) && !path.endsWith(T__gz)) {
addHeader(T_Content_Encoding, T_gzip, false);
_callback = nullptr; // Unable to process gzipped templates
_sendContentLength = true;
_chunked = false;
}
_content = content;
_contentLength = _content.size();
if (strlen(contentType) == 0)
_setContentTypeFromPath(path);
else
_contentType = contentType;
int filenameStart = path.lastIndexOf('/') + 1;
char buf[26 + path.length() - filenameStart];
char* filename = (char*)path.c_str() + filenameStart;
if (download) {
snprintf_P(buf, sizeof(buf), PSTR("attachment; filename=\"%s\""), filename);
} else {
snprintf_P(buf, sizeof(buf), PSTR("inline"));
}
addHeader(T_Content_Disposition, buf, false);
}
size_t AsyncFileResponse::_fillBuffer(uint8_t* data, size_t len) {
return _content.read(data, len);
}
/*
* Stream Response
* */
AsyncStreamResponse::AsyncStreamResponse(Stream& stream, const char* contentType, size_t len, AwsTemplateProcessor callback) : AsyncAbstractResponse(callback) {
_code = 200;
_content = &stream;
_contentLength = len;
_contentType = contentType;
}
size_t AsyncStreamResponse::_fillBuffer(uint8_t* data, size_t len) {
size_t available = _content->available();
size_t outLen = (available > len) ? len : available;
size_t i;
for (i = 0; i < outLen; i++)
data[i] = _content->read();
return outLen;
}
/*
* Callback Response
* */
AsyncCallbackResponse::AsyncCallbackResponse(const char* contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback) : AsyncAbstractResponse(templateCallback) {
_code = 200;
_content = callback;
_contentLength = len;
if (!len)
_sendContentLength = false;
_contentType = contentType;
_filledLength = 0;
}
size_t AsyncCallbackResponse::_fillBuffer(uint8_t* data, size_t len) {
size_t ret = _content(data, len, _filledLength);
if (ret != RESPONSE_TRY_AGAIN) {
_filledLength += ret;
}
return ret;
}
/*
* Chunked Response
* */
AsyncChunkedResponse::AsyncChunkedResponse(const char* contentType, AwsResponseFiller callback, AwsTemplateProcessor processorCallback) : AsyncAbstractResponse(processorCallback) {
_code = 200;
_content = callback;
_contentLength = 0;
_contentType = contentType;
_sendContentLength = false;
_chunked = true;
_filledLength = 0;
}
size_t AsyncChunkedResponse::_fillBuffer(uint8_t* data, size_t len) {
size_t ret = _content(data, len, _filledLength);
if (ret != RESPONSE_TRY_AGAIN) {
_filledLength += ret;
}
return ret;
}
/*
* Progmem Response
* */
AsyncProgmemResponse::AsyncProgmemResponse(int code, const char* contentType, const uint8_t* content, size_t len, AwsTemplateProcessor callback) : AsyncAbstractResponse(callback) {
_code = code;
_content = content;
_contentType = contentType;
_contentLength = len;
_readLength = 0;
}
size_t AsyncProgmemResponse::_fillBuffer(uint8_t* data, size_t len) {
size_t left = _contentLength - _readLength;
if (left > len) {
memcpy_P(data, _content + _readLength, len);
_readLength += len;
return len;
}
memcpy_P(data, _content + _readLength, left);
_readLength += left;
return left;
}
/*
* Response Stream (You can print/write/printf to it, up to the contentLen bytes)
* */
AsyncResponseStream::AsyncResponseStream(const char* contentType, size_t bufferSize) {
_code = 200;
_contentLength = 0;
_contentType = contentType;
_content.reserve(bufferSize);
}
size_t AsyncResponseStream::_fillBuffer(uint8_t* buf, size_t maxLen) {
return _content.readBytes((char*)buf, maxLen);
}
size_t AsyncResponseStream::write(const uint8_t* data, size_t len) {
if (_started())
return 0;
size_t written = _content.write(data, len);
_contentLength += written;
return written;
}
size_t AsyncResponseStream::write(uint8_t data) {
return write(&data, 1);
}

198
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/WebServer.cpp Normal file
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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebHandlerImpl.h"
using namespace asyncsrv;
bool ON_STA_FILTER(AsyncWebServerRequest* request) {
#ifndef CONFIG_IDF_TARGET_ESP32H2
return WiFi.localIP() == request->client()->localIP();
#else
return false;
#endif
}
bool ON_AP_FILTER(AsyncWebServerRequest* request) {
#ifndef CONFIG_IDF_TARGET_ESP32H2
return WiFi.localIP() != request->client()->localIP();
#else
return false;
#endif
}
#ifndef HAVE_FS_FILE_OPEN_MODE
const char* fs::FileOpenMode::read = "r";
const char* fs::FileOpenMode::write = "w";
const char* fs::FileOpenMode::append = "a";
#endif
AsyncWebServer::AsyncWebServer(uint16_t port)
: _server(port) {
_catchAllHandler = new AsyncCallbackWebHandler();
if (_catchAllHandler == NULL)
return;
_server.onClient([](void* s, AsyncClient* c) {
if (c == NULL)
return;
c->setRxTimeout(3);
AsyncWebServerRequest* r = new AsyncWebServerRequest((AsyncWebServer*)s, c);
if (r == NULL) {
c->abort();
delete c;
}
},
this);
}
AsyncWebServer::~AsyncWebServer() {
reset();
end();
if (_catchAllHandler)
delete _catchAllHandler;
}
AsyncWebRewrite& AsyncWebServer::addRewrite(std::shared_ptr<AsyncWebRewrite> rewrite) {
_rewrites.emplace_back(rewrite);
return *_rewrites.back().get();
}
AsyncWebRewrite& AsyncWebServer::addRewrite(AsyncWebRewrite* rewrite) {
_rewrites.emplace_back(rewrite);
return *_rewrites.back().get();
}
bool AsyncWebServer::removeRewrite(AsyncWebRewrite* rewrite) {
return removeRewrite(rewrite->from().c_str(), rewrite->toUrl().c_str());
}
bool AsyncWebServer::removeRewrite(const char* from, const char* to) {
for (auto r = _rewrites.begin(); r != _rewrites.end(); ++r) {
if (r->get()->from() == from && r->get()->toUrl() == to) {
_rewrites.erase(r);
return true;
}
}
return false;
}
AsyncWebRewrite& AsyncWebServer::rewrite(const char* from, const char* to) {
_rewrites.emplace_back(std::make_shared<AsyncWebRewrite>(from, to));
return *_rewrites.back().get();
}
AsyncWebHandler& AsyncWebServer::addHandler(AsyncWebHandler* handler) {
_handlers.emplace_back(handler);
return *(_handlers.back().get());
}
bool AsyncWebServer::removeHandler(AsyncWebHandler* handler) {
for (auto i = _handlers.begin(); i != _handlers.end(); ++i) {
if (i->get() == handler) {
_handlers.erase(i);
return true;
}
}
return false;
}
void AsyncWebServer::begin() {
_server.setNoDelay(true);
_server.begin();
}
void AsyncWebServer::end() {
_server.end();
}
#if ASYNC_TCP_SSL_ENABLED
void AsyncWebServer::onSslFileRequest(AcSSlFileHandler cb, void* arg) {
_server.onSslFileRequest(cb, arg);
}
void AsyncWebServer::beginSecure(const char* cert, const char* key, const char* password) {
_server.beginSecure(cert, key, password);
}
#endif
void AsyncWebServer::_handleDisconnect(AsyncWebServerRequest* request) {
delete request;
}
void AsyncWebServer::_rewriteRequest(AsyncWebServerRequest* request) {
for (const auto& r : _rewrites) {
if (r->match(request)) {
request->_url = r->toUrl();
request->_addGetParams(r->params());
}
}
}
void AsyncWebServer::_attachHandler(AsyncWebServerRequest* request) {
for (auto& h : _handlers) {
if (h->filter(request) && h->canHandle(request)) {
request->setHandler(h.get());
return;
}
}
request->setHandler(_catchAllHandler);
}
AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody) {
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
handler->onUpload(onUpload);
handler->onBody(onBody);
addHandler(handler);
return *handler;
}
AsyncStaticWebHandler& AsyncWebServer::serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control) {
AsyncStaticWebHandler* handler = new AsyncStaticWebHandler(uri, fs, path, cache_control);
addHandler(handler);
return *handler;
}
void AsyncWebServer::onNotFound(ArRequestHandlerFunction fn) {
_catchAllHandler->onRequest(fn);
}
void AsyncWebServer::onFileUpload(ArUploadHandlerFunction fn) {
_catchAllHandler->onUpload(fn);
}
void AsyncWebServer::onRequestBody(ArBodyHandlerFunction fn) {
_catchAllHandler->onBody(fn);
}
void AsyncWebServer::reset() {
_rewrites.clear();
_handlers.clear();
if (_catchAllHandler != NULL) {
_catchAllHandler->onRequest(NULL);
_catchAllHandler->onUpload(NULL);
_catchAllHandler->onBody(NULL);
}
}

183
Software/src/lib/mathieucarbou-ESPAsyncWebServer/src/literals.h Normal file
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#pragma once
namespace asyncsrv {
static constexpr const char* empty = "";
static constexpr const char* T__opaque = "\", opaque=\"";
static constexpr const char* T_100_CONTINUE = "100-continue";
static constexpr const char* T_13 = "13";
static constexpr const char* T_ACCEPT = "accept";
static constexpr const char* T_Accept_Ranges = "accept-ranges";
static constexpr const char* T_app_xform_urlencoded = "application/x-www-form-urlencoded";
static constexpr const char* T_AUTH = "authorization";
static constexpr const char* T_auth_nonce = "\", qop=\"auth\", nonce=\"";
static constexpr const char* T_BASIC = "basic";
static constexpr const char* T_BASIC_REALM = "basic realm=\"";
static constexpr const char* T_BEARER = "bearer";
static constexpr const char* T_BODY = "body";
static constexpr const char* T_Cache_Control = "cache-control";
static constexpr const char* T_chunked = "chunked";
static constexpr const char* T_close = "close";
static constexpr const char* T_cnonce = "cnonce";
static constexpr const char* T_Connection = "connection";
static constexpr const char* T_Content_Disposition = "content-disposition";
static constexpr const char* T_Content_Encoding = "content-encoding";
static constexpr const char* T_Content_Length = "content-length";
static constexpr const char* T_Content_Type = "content-type";
static constexpr const char* T_Cookie = "cookie";
static constexpr const char* T_CORS_ACAC = "access-control-allow-credentials";
static constexpr const char* T_CORS_ACAH = "access-control-allow-headers";
static constexpr const char* T_CORS_ACAM = "access-control-allow-methods";
static constexpr const char* T_CORS_ACAO = "access-control-allow-origin";
static constexpr const char* T_CORS_ACMA = "access-control-max-age";
static constexpr const char* T_CORS_O = "origin";
static constexpr const char* T_data_ = "data: ";
static constexpr const char* T_DIGEST = "digest";
static constexpr const char* T_DIGEST_ = "digest ";
static constexpr const char* T_ETag = "etag";
static constexpr const char* T_event_ = "event: ";
static constexpr const char* T_EXPECT = "expect";
static constexpr const char* T_FALSE = "false";
static constexpr const char* T_filename = "filename";
static constexpr const char* T_gzip = "gzip";
static constexpr const char* T_Host = "host";
static constexpr const char* T_HTTP_1_0 = "HTTP/1.0";
static constexpr const char* T_HTTP_100_CONT = "HTTP/1.1 100 Continue\r\n\r\n";
static constexpr const char* T_id__ = "id: ";
static constexpr const char* T_IMS = "if-modified-since";
static constexpr const char* T_INM = "if-none-match";
static constexpr const char* T_keep_alive = "keep-alive";
static constexpr const char* T_Last_Event_ID = "last-event-id";
static constexpr const char* T_Last_Modified = "last-modified";
static constexpr const char* T_LOCATION = "location";
static constexpr const char* T_LOGIN_REQ = "Login Required";
static constexpr const char* T_MULTIPART_ = "multipart/";
static constexpr const char* T_name = "name";
static constexpr const char* T_nc = "nc";
static constexpr const char* T_no_cache = "no-cache";
static constexpr const char* T_nonce = "nonce";
static constexpr const char* T_none = "none";
static constexpr const char* T_opaque = "opaque";
static constexpr const char* T_qop = "qop";
static constexpr const char* T_realm = "realm";
static constexpr const char* T_realm__ = "realm=\"";
static constexpr const char* T_response = "response";
static constexpr const char* T_retry_ = "retry: ";
static constexpr const char* T_retry_after = "retry-after";
static constexpr const char* T_nn = "\n\n";
static constexpr const char* T_rn = "\r\n";
static constexpr const char* T_rnrn = "\r\n\r\n";
static constexpr const char* T_Transfer_Encoding = "transfer-encoding";
static constexpr const char* T_TRUE = "true";
static constexpr const char* T_UPGRADE = "upgrade";
static constexpr const char* T_uri = "uri";
static constexpr const char* T_username = "username";
static constexpr const char* T_WS = "websocket";
static constexpr const char* T_WWW_AUTH = "www-authenticate";
// HTTP Methods
static constexpr const char* T_ANY = "ANY";
static constexpr const char* T_GET = "GET";
static constexpr const char* T_POST = "POST";
static constexpr const char* T_PUT = "PUT";
static constexpr const char* T_DELETE = "DELETE";
static constexpr const char* T_PATCH = "PATCH";
static constexpr const char* T_HEAD = "HEAD";
static constexpr const char* T_OPTIONS = "OPTIONS";
static constexpr const char* T_UNKNOWN = "UNKNOWN";
// Req content types
static constexpr const char* T_RCT_NOT_USED = "RCT_NOT_USED";
static constexpr const char* T_RCT_DEFAULT = "RCT_DEFAULT";
static constexpr const char* T_RCT_HTTP = "RCT_HTTP";
static constexpr const char* T_RCT_WS = "RCT_WS";
static constexpr const char* T_RCT_EVENT = "RCT_EVENT";
static constexpr const char* T_ERROR = "ERROR";
// extentions & MIME-Types
static constexpr const char* T__css = ".css";
static constexpr const char* T__eot = ".eot";
static constexpr const char* T__gif = ".gif";
static constexpr const char* T__gz = ".gz";
static constexpr const char* T__htm = ".htm";
static constexpr const char* T__html = ".html";
static constexpr const char* T__ico = ".ico";
static constexpr const char* T__jpg = ".jpg";
static constexpr const char* T__js = ".js";
static constexpr const char* T__json = ".json";
static constexpr const char* T__pdf = ".pdf";
static constexpr const char* T__png = ".png";
static constexpr const char* T__svg = ".svg";
static constexpr const char* T__ttf = ".ttf";
static constexpr const char* T__woff = ".woff";
static constexpr const char* T__woff2 = ".woff2";
static constexpr const char* T__xml = ".xml";
static constexpr const char* T__zip = ".zip";
static constexpr const char* T_application_javascript = "application/javascript";
static constexpr const char* T_application_json = "application/json";
static constexpr const char* T_application_msgpack = "application/msgpack";
static constexpr const char* T_application_pdf = "application/pdf";
static constexpr const char* T_application_x_gzip = "application/x-gzip";
static constexpr const char* T_application_zip = "application/zip";
static constexpr const char* T_font_eot = "font/eot";
static constexpr const char* T_font_ttf = "font/ttf";
static constexpr const char* T_font_woff = "font/woff";
static constexpr const char* T_font_woff2 = "font/woff2";
static constexpr const char* T_image_gif = "image/gif";
static constexpr const char* T_image_jpeg = "image/jpeg";
static constexpr const char* T_image_png = "image/png";
static constexpr const char* T_image_svg_xml = "image/svg+xml";
static constexpr const char* T_image_x_icon = "image/x-icon";
static constexpr const char* T_text_css = "text/css";
static constexpr const char* T_text_event_stream = "text/event-stream";
static constexpr const char* T_text_html = "text/html";
static constexpr const char* T_text_plain = "text/plain";
static constexpr const char* T_text_xml = "text/xml";
// Responce codes
static constexpr const char* T_HTTP_CODE_100 = "Continue";
static constexpr const char* T_HTTP_CODE_101 = "Switching Protocols";
static constexpr const char* T_HTTP_CODE_200 = "OK";
static constexpr const char* T_HTTP_CODE_201 = "Created";
static constexpr const char* T_HTTP_CODE_202 = "Accepted";
static constexpr const char* T_HTTP_CODE_203 = "Non-Authoritative Information";
static constexpr const char* T_HTTP_CODE_204 = "No Content";
static constexpr const char* T_HTTP_CODE_205 = "Reset Content";
static constexpr const char* T_HTTP_CODE_206 = "Partial Content";
static constexpr const char* T_HTTP_CODE_300 = "Multiple Choices";
static constexpr const char* T_HTTP_CODE_301 = "Moved Permanently";
static constexpr const char* T_HTTP_CODE_302 = "Found";
static constexpr const char* T_HTTP_CODE_303 = "See Other";
static constexpr const char* T_HTTP_CODE_304 = "Not Modified";
static constexpr const char* T_HTTP_CODE_305 = "Use Proxy";
static constexpr const char* T_HTTP_CODE_307 = "Temporary Redirect";
static constexpr const char* T_HTTP_CODE_400 = "Bad Request";
static constexpr const char* T_HTTP_CODE_401 = "Unauthorized";
static constexpr const char* T_HTTP_CODE_402 = "Payment Required";
static constexpr const char* T_HTTP_CODE_403 = "Forbidden";
static constexpr const char* T_HTTP_CODE_404 = "Not Found";
static constexpr const char* T_HTTP_CODE_405 = "Method Not Allowed";
static constexpr const char* T_HTTP_CODE_406 = "Not Acceptable";
static constexpr const char* T_HTTP_CODE_407 = "Proxy Authentication Required";
static constexpr const char* T_HTTP_CODE_408 = "Request Time-out";
static constexpr const char* T_HTTP_CODE_409 = "Conflict";
static constexpr const char* T_HTTP_CODE_410 = "Gone";
static constexpr const char* T_HTTP_CODE_411 = "Length Required";
static constexpr const char* T_HTTP_CODE_412 = "Precondition Failed";
static constexpr const char* T_HTTP_CODE_413 = "Request Entity Too Large";
static constexpr const char* T_HTTP_CODE_414 = "Request-URI Too Large";
static constexpr const char* T_HTTP_CODE_415 = "Unsupported Media Type";
static constexpr const char* T_HTTP_CODE_416 = "Requested range not satisfiable";
static constexpr const char* T_HTTP_CODE_417 = "Expectation Failed";
static constexpr const char* T_HTTP_CODE_429 = "Too Many Requests";
static constexpr const char* T_HTTP_CODE_500 = "Internal Server Error";
static constexpr const char* T_HTTP_CODE_501 = "Not Implemented";
static constexpr const char* T_HTTP_CODE_502 = "Bad Gateway";
static constexpr const char* T_HTTP_CODE_503 = "Service Unavailable";
static constexpr const char* T_HTTP_CODE_504 = "Gateway Time-out";
static constexpr const char* T_HTTP_CODE_505 = "HTTP Version not supported";
static constexpr const char* T_HTTP_CODE_ANY = "Unknown code";
} // namespace asyncsrv {}

37
Software/src/lib/me-no-dev-ESPAsyncWebServer/library.json
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@ -1,37 +0,0 @@
{
"name":"ESP Async WebServer",
"description":"Asynchronous HTTP and WebSocket Server Library for ESP8266 and ESP32",
"keywords":"http,async,websocket,webserver",
"authors":
{
"name": "Hristo Gochkov",
"maintainer": true
},
"repository":
{
"type": "git",
"url": "https://github.com/me-no-dev/ESPAsyncWebServer.git"
},
"version": "1.2.3",
"license": "LGPL-3.0",
"frameworks": "arduino",
"platforms": ["espressif8266", "espressif32"],
"dependencies": [
{
"owner": "me-no-dev",
"name": "ESPAsyncTCP",
"version": "^1.2.2",
"platforms": "espressif8266"
},
{
"owner": "me-no-dev",
"name": "AsyncTCP",
"version": "^1.1.1",
"platforms": "espressif32"
},
{
"name": "Hash",
"platforms": "espressif8266"
}
]
}

9
Software/src/lib/me-no-dev-ESPAsyncWebServer/library.properties
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@ -1,9 +0,0 @@
name=ESP Async WebServer
version=1.2.3
author=Me-No-Dev
maintainer=Me-No-Dev
sentence=Async Web Server for ESP8266 and ESP31B
paragraph=Async Web Server for ESP8266 and ESP31B
category=Other
url=https://github.com/me-no-dev/ESPAsyncWebServer
architectures=*

368
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/AsyncEventSource.cpp
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@ -1,368 +0,0 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Arduino.h"
#include "AsyncEventSource.h"
static String generateEventMessage(const char *message, const char *event, uint32_t id, uint32_t reconnect){
String ev = "";
if(reconnect){
ev += "retry: ";
ev += String(reconnect);
ev += "\r\n";
}
if(id){
ev += "id: ";
ev += String(id);
ev += "\r\n";
}
if(event != NULL){
ev += "event: ";
ev += String(event);
ev += "\r\n";
}
if(message != NULL){
size_t messageLen = strlen(message);
char * lineStart = (char *)message;
char * lineEnd;
do {
char * nextN = strchr(lineStart, '\n');
char * nextR = strchr(lineStart, '\r');
if(nextN == NULL && nextR == NULL){
size_t llen = ((char *)message + messageLen) - lineStart;
char * ldata = (char *)malloc(llen+1);
if(ldata != NULL){
memcpy(ldata, lineStart, llen);
ldata[llen] = 0;
ev += "data: ";
ev += ldata;
ev += "\r\n\r\n";
free(ldata);
}
lineStart = (char *)message + messageLen;
} else {
char * nextLine = NULL;
if(nextN != NULL && nextR != NULL){
if(nextR < nextN){
lineEnd = nextR;
if(nextN == (nextR + 1))
nextLine = nextN + 1;
else
nextLine = nextR + 1;
} else {
lineEnd = nextN;
if(nextR == (nextN + 1))
nextLine = nextR + 1;
else
nextLine = nextN + 1;
}
} else if(nextN != NULL){
lineEnd = nextN;
nextLine = nextN + 1;
} else {
lineEnd = nextR;
nextLine = nextR + 1;
}
size_t llen = lineEnd - lineStart;
char * ldata = (char *)malloc(llen+1);
if(ldata != NULL){
memcpy(ldata, lineStart, llen);
ldata[llen] = 0;
ev += "data: ";
ev += ldata;
ev += "\r\n";
free(ldata);
}
lineStart = nextLine;
if(lineStart == ((char *)message + messageLen))
ev += "\r\n";
}
} while(lineStart < ((char *)message + messageLen));
}
return ev;
}
// Message
AsyncEventSourceMessage::AsyncEventSourceMessage(const char * data, size_t len)
: _data(nullptr), _len(len), _sent(0), _acked(0)
{
_data = (uint8_t*)malloc(_len+1);
if(_data == nullptr){
_len = 0;
} else {
memcpy(_data, data, len);
_data[_len] = 0;
}
}
AsyncEventSourceMessage::~AsyncEventSourceMessage() {
if(_data != NULL)
free(_data);
}
size_t AsyncEventSourceMessage::ack(size_t len, uint32_t time) {
(void)time;
// If the whole message is now acked...
if(_acked + len > _len){
// Return the number of extra bytes acked (they will be carried on to the next message)
const size_t extra = _acked + len - _len;
_acked = _len;
return extra;
}
// Return that no extra bytes left.
_acked += len;
return 0;
}
size_t AsyncEventSourceMessage::send(AsyncClient *client) {
const size_t len = _len - _sent;
if(client->space() < len){
return 0;
}
size_t sent = client->add((const char *)_data, len);
if(client->canSend())
client->send();
_sent += sent;
return sent;
}
// Client
AsyncEventSourceClient::AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server)
: _messageQueue(LinkedList<AsyncEventSourceMessage *>([](AsyncEventSourceMessage *m){ delete m; }))
{
_client = request->client();
_server = server;
_lastId = 0;
if(request->hasHeader("Last-Event-ID"))
_lastId = atoi(request->getHeader("Last-Event-ID")->value().c_str());
_client->setRxTimeout(0);
_client->onError(NULL, NULL);
_client->onAck([](void *r, AsyncClient* c, size_t len, uint32_t time){ (void)c; ((AsyncEventSourceClient*)(r))->_onAck(len, time); }, this);
_client->onPoll([](void *r, AsyncClient* c){ (void)c; ((AsyncEventSourceClient*)(r))->_onPoll(); }, this);
_client->onData(NULL, NULL);
_client->onTimeout([this](void *r, AsyncClient* c __attribute__((unused)), uint32_t time){ ((AsyncEventSourceClient*)(r))->_onTimeout(time); }, this);
_client->onDisconnect([this](void *r, AsyncClient* c){ ((AsyncEventSourceClient*)(r))->_onDisconnect(); delete c; }, this);
_server->_addClient(this);
delete request;
}
AsyncEventSourceClient::~AsyncEventSourceClient(){
_messageQueue.free();
close();
}
void AsyncEventSourceClient::_queueMessage(AsyncEventSourceMessage *dataMessage){
if(dataMessage == NULL)
return;
if(!connected()){
delete dataMessage;
return;
}
if(_messageQueue.length() >= SSE_MAX_QUEUED_MESSAGES){
//ets_printf("ERROR: Too many messages queued\n");
delete dataMessage;
} else {
_messageQueue.add(dataMessage);
}
if(_client->canSend())
_runQueue();
}
void AsyncEventSourceClient::_onAck(size_t len, uint32_t time){
while(len && !_messageQueue.isEmpty()){
len = _messageQueue.front()->ack(len, time);
if(_messageQueue.front()->finished())
_messageQueue.remove(_messageQueue.front());
}
_runQueue();
}
void AsyncEventSourceClient::_onPoll(){
if(!_messageQueue.isEmpty()){
_runQueue();
}
}
void AsyncEventSourceClient::_onTimeout(uint32_t time __attribute__((unused))){
_client->close(true);
}
void AsyncEventSourceClient::_onDisconnect(){
_client = NULL;
_server->_handleDisconnect(this);
}
void AsyncEventSourceClient::close(){
if(_client != NULL)
_client->close();
}
void AsyncEventSourceClient::write(const char * message, size_t len){
_queueMessage(new AsyncEventSourceMessage(message, len));
}
void AsyncEventSourceClient::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){
String ev = generateEventMessage(message, event, id, reconnect);
_queueMessage(new AsyncEventSourceMessage(ev.c_str(), ev.length()));
}
void AsyncEventSourceClient::_runQueue(){
while(!_messageQueue.isEmpty() && _messageQueue.front()->finished()){
_messageQueue.remove(_messageQueue.front());
}
for(auto i = _messageQueue.begin(); i != _messageQueue.end(); ++i)
{
if(!(*i)->sent())
(*i)->send(_client);
}
}
// Handler
AsyncEventSource::AsyncEventSource(const String& url)
: _url(url)
, _clients(LinkedList<AsyncEventSourceClient *>([](AsyncEventSourceClient *c){ delete c; }))
, _connectcb(NULL)
{}
AsyncEventSource::~AsyncEventSource(){
close();
}
void AsyncEventSource::onConnect(ArEventHandlerFunction cb){
_connectcb = cb;
}
void AsyncEventSource::_addClient(AsyncEventSourceClient * client){
/*char * temp = (char *)malloc(2054);
if(temp != NULL){
memset(temp+1,' ',2048);
temp[0] = ':';
temp[2049] = '\r';
temp[2050] = '\n';
temp[2051] = '\r';
temp[2052] = '\n';
temp[2053] = 0;
client->write((const char *)temp, 2053);
free(temp);
}*/
_clients.add(client);
if(_connectcb)
_connectcb(client);
}
void AsyncEventSource::_handleDisconnect(AsyncEventSourceClient * client){
_clients.remove(client);
}
void AsyncEventSource::close(){
for(const auto &c: _clients){
if(c->connected())
c->close();
}
}
// pmb fix
size_t AsyncEventSource::avgPacketsWaiting() const {
if(_clients.isEmpty())
return 0;
size_t aql=0;
uint32_t nConnectedClients=0;
for(const auto &c: _clients){
if(c->connected()) {
aql+=c->packetsWaiting();
++nConnectedClients;
}
}
// return aql / nConnectedClients;
return ((aql) + (nConnectedClients/2))/(nConnectedClients); // round up
}
void AsyncEventSource::send(const char *message, const char *event, uint32_t id, uint32_t reconnect){
String ev = generateEventMessage(message, event, id, reconnect);
for(const auto &c: _clients){
if(c->connected()) {
c->write(ev.c_str(), ev.length());
}
}
}
size_t AsyncEventSource::count() const {
return _clients.count_if([](AsyncEventSourceClient *c){
return c->connected();
});
}
bool AsyncEventSource::canHandle(AsyncWebServerRequest *request){
if(request->method() != HTTP_GET || !request->url().equals(_url)) {
return false;
}
request->addInterestingHeader("Last-Event-ID");
return true;
}
void AsyncEventSource::handleRequest(AsyncWebServerRequest *request){
if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
request->send(new AsyncEventSourceResponse(this));
}
// Response
AsyncEventSourceResponse::AsyncEventSourceResponse(AsyncEventSource *server){
_server = server;
_code = 200;
_contentType = "text/event-stream";
_sendContentLength = false;
addHeader("Cache-Control", "no-cache");
addHeader("Connection","keep-alive");
}
void AsyncEventSourceResponse::_respond(AsyncWebServerRequest *request){
String out = _assembleHead(request->version());
request->client()->write(out.c_str(), _headLength);
_state = RESPONSE_WAIT_ACK;
}
size_t AsyncEventSourceResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time __attribute__((unused))){
if(len){
new AsyncEventSourceClient(request, _server);
}
return 0;
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCEVENTSOURCE_H_
#define ASYNCEVENTSOURCE_H_
#include <Arduino.h>
#ifdef ESP32
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#define SSE_MAX_QUEUED_MESSAGES 32
#else
#include <ESPAsyncTCP.h>
#define SSE_MAX_QUEUED_MESSAGES 8
#endif
#include "ESPAsyncWebServer.h"
#include "AsyncWebSynchronization.h"
#ifdef ESP8266
#include <Hash.h>
#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library
#include <../src/Hash.h>
#endif
#endif
#ifdef ESP32
#define DEFAULT_MAX_SSE_CLIENTS 8
#else
#define DEFAULT_MAX_SSE_CLIENTS 4
#endif
class AsyncEventSource;
class AsyncEventSourceResponse;
class AsyncEventSourceClient;
typedef std::function<void(AsyncEventSourceClient *client)> ArEventHandlerFunction;
class AsyncEventSourceMessage {
private:
uint8_t * _data;
size_t _len;
size_t _sent;
//size_t _ack;
size_t _acked;
public:
AsyncEventSourceMessage(const char * data, size_t len);
~AsyncEventSourceMessage();
size_t ack(size_t len, uint32_t time __attribute__((unused)));
size_t send(AsyncClient *client);
bool finished(){ return _acked == _len; }
bool sent() { return _sent == _len; }
};
class AsyncEventSourceClient {
private:
AsyncClient *_client;
AsyncEventSource *_server;
uint32_t _lastId;
LinkedList<AsyncEventSourceMessage *> _messageQueue;
void _queueMessage(AsyncEventSourceMessage *dataMessage);
void _runQueue();
public:
AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server);
~AsyncEventSourceClient();
AsyncClient* client(){ return _client; }
void close();
void write(const char * message, size_t len);
void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
bool connected() const { return (_client != NULL) && _client->connected(); }
uint32_t lastId() const { return _lastId; }
size_t packetsWaiting() const { return _messageQueue.length(); }
//system callbacks (do not call)
void _onAck(size_t len, uint32_t time);
void _onPoll();
void _onTimeout(uint32_t time);
void _onDisconnect();
};
class AsyncEventSource: public AsyncWebHandler {
private:
String _url;
LinkedList<AsyncEventSourceClient *> _clients;
ArEventHandlerFunction _connectcb;
public:
AsyncEventSource(const String& url);
~AsyncEventSource();
const char * url() const { return _url.c_str(); }
void close();
void onConnect(ArEventHandlerFunction cb);
void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
size_t count() const; //number clinets connected
size_t avgPacketsWaiting() const;
//system callbacks (do not call)
void _addClient(AsyncEventSourceClient * client);
void _handleDisconnect(AsyncEventSourceClient * client);
virtual bool canHandle(AsyncWebServerRequest *request) override final;
virtual void handleRequest(AsyncWebServerRequest *request) override final;
};
class AsyncEventSourceResponse: public AsyncWebServerResponse {
private:
String _content;
AsyncEventSource *_server;
public:
AsyncEventSourceResponse(AsyncEventSource *server);
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
bool _sourceValid() const { return true; }
};
#endif /* ASYNCEVENTSOURCE_H_ */

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// AsyncJson.h
/*
Async Response to use with ArduinoJson and AsyncWebServer
Written by Andrew Melvin (SticilFace) with help from me-no-dev and BBlanchon.
Example of callback in use
server.on("/json", HTTP_ANY, [](AsyncWebServerRequest * request) {
AsyncJsonResponse * response = new AsyncJsonResponse();
JsonObject& root = response->getRoot();
root["key1"] = "key number one";
JsonObject& nested = root.createNestedObject("nested");
nested["key1"] = "key number one";
response->setLength();
request->send(response);
});
--------------------
Async Request to use with ArduinoJson and AsyncWebServer
Written by Arsène von Wyss (avonwyss)
Example
AsyncCallbackJsonWebHandler* handler = new AsyncCallbackJsonWebHandler("/rest/endpoint");
handler->onRequest([](AsyncWebServerRequest *request, JsonVariant &json) {
JsonObject& jsonObj = json.as<JsonObject>();
// ...
});
server.addHandler(handler);
*/
#ifndef ASYNC_JSON_H_
#define ASYNC_JSON_H_
#include <ArduinoJson.h>
#include "ESPAsyncWebServer.h"
#include <Print.h>
#if ARDUINOJSON_VERSION_MAJOR == 5
#define ARDUINOJSON_5_COMPATIBILITY
#else
#ifndef DYNAMIC_JSON_DOCUMENT_SIZE
#define DYNAMIC_JSON_DOCUMENT_SIZE 1024
#endif
#endif
constexpr const char* JSON_MIMETYPE = "application/json";
/*
* Json Response
* */
class ChunkPrint : public Print {
private:
uint8_t* _destination;
size_t _to_skip;
size_t _to_write;
size_t _pos;
public:
ChunkPrint(uint8_t* destination, size_t from, size_t len)
: _destination(destination), _to_skip(from), _to_write(len), _pos{0} {}
virtual ~ChunkPrint(){}
size_t write(uint8_t c){
if (_to_skip > 0) {
_to_skip--;
return 1;
} else if (_to_write > 0) {
_to_write--;
_destination[_pos++] = c;
return 1;
}
return 0;
}
size_t write(const uint8_t *buffer, size_t size)
{
return this->Print::write(buffer, size);
}
};
class AsyncJsonResponse: public AsyncAbstractResponse {
protected:
#ifdef ARDUINOJSON_5_COMPATIBILITY
DynamicJsonBuffer _jsonBuffer;
#else
DynamicJsonDocument _jsonBuffer;
#endif
JsonVariant _root;
bool _isValid;
public:
#ifdef ARDUINOJSON_5_COMPATIBILITY
AsyncJsonResponse(bool isArray=false): _isValid{false} {
_code = 200;
_contentType = JSON_MIMETYPE;
if(isArray)
_root = _jsonBuffer.createArray();
else
_root = _jsonBuffer.createObject();
}
#else
AsyncJsonResponse(bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : _jsonBuffer(maxJsonBufferSize), _isValid{false} {
_code = 200;
_contentType = JSON_MIMETYPE;
if(isArray)
_root = _jsonBuffer.createNestedArray();
else
_root = _jsonBuffer.createNestedObject();
}
#endif
~AsyncJsonResponse() {}
JsonVariant & getRoot() { return _root; }
bool _sourceValid() const { return _isValid; }
size_t setLength() {
#ifdef ARDUINOJSON_5_COMPATIBILITY
_contentLength = _root.measureLength();
#else
_contentLength = measureJson(_root);
#endif
if (_contentLength) { _isValid = true; }
return _contentLength;
}
size_t getSize() { return _jsonBuffer.size(); }
size_t _fillBuffer(uint8_t *data, size_t len){
ChunkPrint dest(data, _sentLength, len);
#ifdef ARDUINOJSON_5_COMPATIBILITY
_root.printTo( dest ) ;
#else
serializeJson(_root, dest);
#endif
return len;
}
};
class PrettyAsyncJsonResponse: public AsyncJsonResponse {
public:
#ifdef ARDUINOJSON_5_COMPATIBILITY
PrettyAsyncJsonResponse (bool isArray=false) : AsyncJsonResponse{isArray} {}
#else
PrettyAsyncJsonResponse (bool isArray=false, size_t maxJsonBufferSize = DYNAMIC_JSON_DOCUMENT_SIZE) : AsyncJsonResponse{isArray, maxJsonBufferSize} {}
#endif
size_t setLength () {
#ifdef ARDUINOJSON_5_COMPATIBILITY
_contentLength = _root.measurePrettyLength ();
#else
_contentLength = measureJsonPretty(_root);
#endif
if (_contentLength) {_isValid = true;}
return _contentLength;
}
size_t _fillBuffer (uint8_t *data, size_t len) {
ChunkPrint dest (data, _sentLength, len);
#ifdef ARDUINOJSON_5_COMPATIBILITY
_root.prettyPrintTo (dest);
#else
serializeJsonPretty(_root, dest);
#endif
return len;
}
};
typedef std::function<void(AsyncWebServerRequest *request, JsonVariant &json)> ArJsonRequestHandlerFunction;
class AsyncCallbackJsonWebHandler: public AsyncWebHandler {
private:
protected:
const String _uri;
WebRequestMethodComposite _method;
ArJsonRequestHandlerFunction _onRequest;
size_t _contentLength;
#ifndef ARDUINOJSON_5_COMPATIBILITY
const size_t maxJsonBufferSize;
#endif
size_t _maxContentLength;
public:
#ifdef ARDUINOJSON_5_COMPATIBILITY
AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest)
: _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), _maxContentLength(16384) {}
#else
AsyncCallbackJsonWebHandler(const String& uri, ArJsonRequestHandlerFunction onRequest, size_t maxJsonBufferSize=DYNAMIC_JSON_DOCUMENT_SIZE)
: _uri(uri), _method(HTTP_POST|HTTP_PUT|HTTP_PATCH), _onRequest(onRequest), maxJsonBufferSize(maxJsonBufferSize), _maxContentLength(16384) {}
#endif
void setMethod(WebRequestMethodComposite method){ _method = method; }
void setMaxContentLength(int maxContentLength){ _maxContentLength = maxContentLength; }
void onRequest(ArJsonRequestHandlerFunction fn){ _onRequest = fn; }
virtual bool canHandle(AsyncWebServerRequest *request) override final{
if(!_onRequest)
return false;
if(!(_method & request->method()))
return false;
if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/")))
return false;
if ( !request->contentType().equalsIgnoreCase(JSON_MIMETYPE) )
return false;
request->addInterestingHeader("ANY");
return true;
}
virtual void handleRequest(AsyncWebServerRequest *request) override final {
if(_onRequest) {
if (request->_tempObject != NULL) {
#ifdef ARDUINOJSON_5_COMPATIBILITY
DynamicJsonBuffer jsonBuffer;
JsonVariant json = jsonBuffer.parse((uint8_t*)(request->_tempObject));
if (json.success()) {
#else
DynamicJsonDocument jsonBuffer(this->maxJsonBufferSize);
DeserializationError error = deserializeJson(jsonBuffer, (uint8_t*)(request->_tempObject));
if(!error) {
JsonVariant json = jsonBuffer.as<JsonVariant>();
#endif
_onRequest(request, json);
return;
}
}
request->send(_contentLength > _maxContentLength ? 413 : 400);
} else {
request->send(500);
}
}
virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final {
}
virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final {
if (_onRequest) {
_contentLength = total;
if (total > 0 && request->_tempObject == NULL && total < _maxContentLength) {
request->_tempObject = malloc(total);
}
if (request->_tempObject != NULL) {
memcpy((uint8_t*)(request->_tempObject) + index, data, len);
}
}
}
virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;}
};
#endif

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSOCKET_H_
#define ASYNCWEBSOCKET_H_
#include <Arduino.h>
#ifdef ESP32
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#define WS_MAX_QUEUED_MESSAGES 32
#else
#include <ESPAsyncTCP.h>
#define WS_MAX_QUEUED_MESSAGES 8
#endif
#include "ESPAsyncWebServer.h"
#include "AsyncWebSynchronization.h"
#ifdef ESP8266
#include <Hash.h>
#ifdef CRYPTO_HASH_h // include Hash.h from espressif framework if the first include was from the crypto library
#include <../src/Hash.h>
#endif
#endif
#ifdef ESP32
#define DEFAULT_MAX_WS_CLIENTS 8
#else
#define DEFAULT_MAX_WS_CLIENTS 4
#endif
class AsyncWebSocket;
class AsyncWebSocketResponse;
class AsyncWebSocketClient;
class AsyncWebSocketControl;
typedef struct {
/** Message type as defined by enum AwsFrameType.
* Note: Applications will only see WS_TEXT and WS_BINARY.
* All other types are handled by the library. */
uint8_t message_opcode;
/** Frame number of a fragmented message. */
uint32_t num;
/** Is this the last frame in a fragmented message ?*/
uint8_t final;
/** Is this frame masked? */
uint8_t masked;
/** Message type as defined by enum AwsFrameType.
* This value is the same as message_opcode for non-fragmented
* messages, but may also be WS_CONTINUATION in a fragmented message. */
uint8_t opcode;
/** Length of the current frame.
* This equals the total length of the message if num == 0 && final == true */
uint64_t len;
/** Mask key */
uint8_t mask[4];
/** Offset of the data inside the current frame. */
uint64_t index;
} AwsFrameInfo;
typedef enum { WS_DISCONNECTED, WS_CONNECTED, WS_DISCONNECTING } AwsClientStatus;
typedef enum { WS_CONTINUATION, WS_TEXT, WS_BINARY, WS_DISCONNECT = 0x08, WS_PING, WS_PONG } AwsFrameType;
typedef enum { WS_MSG_SENDING, WS_MSG_SENT, WS_MSG_ERROR } AwsMessageStatus;
typedef enum { WS_EVT_CONNECT, WS_EVT_DISCONNECT, WS_EVT_PONG, WS_EVT_ERROR, WS_EVT_DATA } AwsEventType;
class AsyncWebSocketMessageBuffer {
private:
uint8_t * _data;
size_t _len;
bool _lock;
uint32_t _count;
public:
AsyncWebSocketMessageBuffer();
AsyncWebSocketMessageBuffer(size_t size);
AsyncWebSocketMessageBuffer(uint8_t * data, size_t size);
AsyncWebSocketMessageBuffer(const AsyncWebSocketMessageBuffer &);
AsyncWebSocketMessageBuffer(AsyncWebSocketMessageBuffer &&);
~AsyncWebSocketMessageBuffer();
void operator ++(int i) { (void)i; _count++; }
void operator --(int i) { (void)i; if (_count > 0) { _count--; } ; }
bool reserve(size_t size);
void lock() { _lock = true; }
void unlock() { _lock = false; }
uint8_t * get() { return _data; }
size_t length() { return _len; }
uint32_t count() { return _count; }
bool canDelete() { return (!_count && !_lock); }
friend AsyncWebSocket;
};
class AsyncWebSocketMessage {
protected:
uint8_t _opcode;
bool _mask;
AwsMessageStatus _status;
public:
AsyncWebSocketMessage():_opcode(WS_TEXT),_mask(false),_status(WS_MSG_ERROR){}
virtual ~AsyncWebSocketMessage(){}
virtual void ack(size_t len __attribute__((unused)), uint32_t time __attribute__((unused))){}
virtual size_t send(AsyncClient *client __attribute__((unused))){ return 0; }
virtual bool finished(){ return _status != WS_MSG_SENDING; }
virtual bool betweenFrames() const { return false; }
};
class AsyncWebSocketBasicMessage: public AsyncWebSocketMessage {
private:
size_t _len;
size_t _sent;
size_t _ack;
size_t _acked;
uint8_t * _data;
public:
AsyncWebSocketBasicMessage(const char * data, size_t len, uint8_t opcode=WS_TEXT, bool mask=false);
AsyncWebSocketBasicMessage(uint8_t opcode=WS_TEXT, bool mask=false);
virtual ~AsyncWebSocketBasicMessage() override;
virtual bool betweenFrames() const override { return _acked == _ack; }
virtual void ack(size_t len, uint32_t time) override ;
virtual size_t send(AsyncClient *client) override ;
};
class AsyncWebSocketMultiMessage: public AsyncWebSocketMessage {
private:
uint8_t * _data;
size_t _len;
size_t _sent;
size_t _ack;
size_t _acked;
AsyncWebSocketMessageBuffer * _WSbuffer;
public:
AsyncWebSocketMultiMessage(AsyncWebSocketMessageBuffer * buffer, uint8_t opcode=WS_TEXT, bool mask=false);
virtual ~AsyncWebSocketMultiMessage() override;
virtual bool betweenFrames() const override { return _acked == _ack; }
virtual void ack(size_t len, uint32_t time) override ;
virtual size_t send(AsyncClient *client) override ;
};
class AsyncWebSocketClient {
private:
AsyncClient *_client;
AsyncWebSocket *_server;
uint32_t _clientId;
AwsClientStatus _status;
LinkedList<AsyncWebSocketControl *> _controlQueue;
LinkedList<AsyncWebSocketMessage *> _messageQueue;
uint8_t _pstate;
AwsFrameInfo _pinfo;
uint32_t _lastMessageTime;
uint32_t _keepAlivePeriod;
void _queueMessage(AsyncWebSocketMessage *dataMessage);
void _queueControl(AsyncWebSocketControl *controlMessage);
void _runQueue();
public:
void *_tempObject;
AsyncWebSocketClient(AsyncWebServerRequest *request, AsyncWebSocket *server);
~AsyncWebSocketClient();
//client id increments for the given server
uint32_t id(){ return _clientId; }
AwsClientStatus status(){ return _status; }
AsyncClient* client(){ return _client; }
AsyncWebSocket *server(){ return _server; }
AwsFrameInfo const &pinfo() const { return _pinfo; }
IPAddress remoteIP();
uint16_t remotePort();
//control frames
void close(uint16_t code=0, const char * message=NULL);
void ping(uint8_t *data=NULL, size_t len=0);
//set auto-ping period in seconds. disabled if zero (default)
void keepAlivePeriod(uint16_t seconds){
_keepAlivePeriod = seconds * 1000;
}
uint16_t keepAlivePeriod(){
return (uint16_t)(_keepAlivePeriod / 1000);
}
//data packets
void message(AsyncWebSocketMessage *message){ _queueMessage(message); }
bool queueIsFull();
size_t printf(const char *format, ...) __attribute__ ((format (printf, 2, 3)));
#ifndef ESP32
size_t printf_P(PGM_P formatP, ...) __attribute__ ((format (printf, 2, 3)));
#endif
void text(const char * message, size_t len);
void text(const char * message);
void text(uint8_t * message, size_t len);
void text(char * message);
void text(const String &message);
void text(const __FlashStringHelper *data);
void text(AsyncWebSocketMessageBuffer *buffer);
void binary(const char * message, size_t len);
void binary(const char * message);
void binary(uint8_t * message, size_t len);
void binary(char * message);
void binary(const String &message);
void binary(const __FlashStringHelper *data, size_t len);
void binary(AsyncWebSocketMessageBuffer *buffer);
bool canSend() { return _messageQueue.length() < WS_MAX_QUEUED_MESSAGES; }
//system callbacks (do not call)
void _onAck(size_t len, uint32_t time);
void _onError(int8_t);
void _onPoll();
void _onTimeout(uint32_t time);
void _onDisconnect();
void _onData(void *pbuf, size_t plen);
};
typedef std::function<void(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len)> AwsEventHandler;
//WebServer Handler implementation that plays the role of a socket server
class AsyncWebSocket: public AsyncWebHandler {
public:
typedef LinkedList<AsyncWebSocketClient *> AsyncWebSocketClientLinkedList;
private:
String _url;
AsyncWebSocketClientLinkedList _clients;
uint32_t _cNextId;
AwsEventHandler _eventHandler;
bool _enabled;
AsyncWebLock _lock;
public:
AsyncWebSocket(const String& url);
~AsyncWebSocket();
const char * url() const { return _url.c_str(); }
void enable(bool e){ _enabled = e; }
bool enabled() const { return _enabled; }
bool availableForWriteAll();
bool availableForWrite(uint32_t id);
size_t count() const;
AsyncWebSocketClient * client(uint32_t id);
bool hasClient(uint32_t id){ return client(id) != NULL; }
void close(uint32_t id, uint16_t code=0, const char * message=NULL);
void closeAll(uint16_t code=0, const char * message=NULL);
void cleanupClients(uint16_t maxClients = DEFAULT_MAX_WS_CLIENTS);
void ping(uint32_t id, uint8_t *data=NULL, size_t len=0);
void pingAll(uint8_t *data=NULL, size_t len=0); // done
void text(uint32_t id, const char * message, size_t len);
void text(uint32_t id, const char * message);
void text(uint32_t id, uint8_t * message, size_t len);
void text(uint32_t id, char * message);
void text(uint32_t id, const String &message);
void text(uint32_t id, const __FlashStringHelper *message);
void textAll(const char * message, size_t len);
void textAll(const char * message);
void textAll(uint8_t * message, size_t len);
void textAll(char * message);
void textAll(const String &message);
void textAll(const __FlashStringHelper *message); // need to convert
void textAll(AsyncWebSocketMessageBuffer * buffer);
void binary(uint32_t id, const char * message, size_t len);
void binary(uint32_t id, const char * message);
void binary(uint32_t id, uint8_t * message, size_t len);
void binary(uint32_t id, char * message);
void binary(uint32_t id, const String &message);
void binary(uint32_t id, const __FlashStringHelper *message, size_t len);
void binaryAll(const char * message, size_t len);
void binaryAll(const char * message);
void binaryAll(uint8_t * message, size_t len);
void binaryAll(char * message);
void binaryAll(const String &message);
void binaryAll(const __FlashStringHelper *message, size_t len);
void binaryAll(AsyncWebSocketMessageBuffer * buffer);
void message(uint32_t id, AsyncWebSocketMessage *message);
void messageAll(AsyncWebSocketMultiMessage *message);
size_t printf(uint32_t id, const char *format, ...) __attribute__ ((format (printf, 3, 4)));
size_t printfAll(const char *format, ...) __attribute__ ((format (printf, 2, 3)));
#ifndef ESP32
size_t printf_P(uint32_t id, PGM_P formatP, ...) __attribute__ ((format (printf, 3, 4)));
#endif
size_t printfAll_P(PGM_P formatP, ...) __attribute__ ((format (printf, 2, 3)));
//event listener
void onEvent(AwsEventHandler handler){
_eventHandler = handler;
}
//system callbacks (do not call)
uint32_t _getNextId(){ return _cNextId++; }
void _addClient(AsyncWebSocketClient * client);
void _handleDisconnect(AsyncWebSocketClient * client);
void _handleEvent(AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len);
virtual bool canHandle(AsyncWebServerRequest *request) override final;
virtual void handleRequest(AsyncWebServerRequest *request) override final;
// messagebuffer functions/objects.
AsyncWebSocketMessageBuffer * makeBuffer(size_t size = 0);
AsyncWebSocketMessageBuffer * makeBuffer(uint8_t * data, size_t size);
LinkedList<AsyncWebSocketMessageBuffer *> _buffers;
void _cleanBuffers();
AsyncWebSocketClientLinkedList getClients() const;
};
//WebServer response to authenticate the socket and detach the tcp client from the web server request
class AsyncWebSocketResponse: public AsyncWebServerResponse {
private:
String _content;
AsyncWebSocket *_server;
public:
AsyncWebSocketResponse(const String& key, AsyncWebSocket *server);
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
bool _sourceValid() const { return true; }
};
#endif /* ASYNCWEBSOCKET_H_ */

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#ifndef ASYNCWEBSYNCHRONIZATION_H_
#define ASYNCWEBSYNCHRONIZATION_H_
// Synchronisation is only available on ESP32, as the ESP8266 isn't using FreeRTOS by default
#include "ESPAsyncWebServer.h"
#ifdef ESP32
// This is the ESP32 version of the Sync Lock, using the FreeRTOS Semaphore
class AsyncWebLock
{
private:
SemaphoreHandle_t _lock;
mutable void *_lockedBy;
public:
AsyncWebLock() {
_lock = xSemaphoreCreateBinary();
_lockedBy = NULL;
xSemaphoreGive(_lock);
}
~AsyncWebLock() {
vSemaphoreDelete(_lock);
}
bool lock() const {
extern void *pxCurrentTCB;
if (_lockedBy != pxCurrentTCB) {
xSemaphoreTake(_lock, portMAX_DELAY);
_lockedBy = pxCurrentTCB;
return true;
}
return false;
}
void unlock() const {
_lockedBy = NULL;
xSemaphoreGive(_lock);
}
};
#else
// This is the 8266 version of the Sync Lock which is currently unimplemented
class AsyncWebLock
{
public:
AsyncWebLock() {
}
~AsyncWebLock() {
}
bool lock() const {
return false;
}
void unlock() const {
}
};
#endif
class AsyncWebLockGuard
{
private:
const AsyncWebLock *_lock;
public:
AsyncWebLockGuard(const AsyncWebLock &l) {
if (l.lock()) {
_lock = &l;
} else {
_lock = NULL;
}
}
~AsyncWebLockGuard() {
if (_lock) {
_lock->unlock();
}
}
};
#endif // ASYNCWEBSYNCHRONIZATION_H_

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ESPAsyncWebServer_H_
#define _ESPAsyncWebServer_H_
#include "Arduino.h"
#include <functional>
#include "FS.h"
#include "StringArray.h"
#ifdef ESP32
#include <WiFi.h>
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#include "../../me-no-dev-AsyncTCP/src/AsyncTCP.h"
#else
#error Platform not supported
#endif
#ifdef ASYNCWEBSERVER_REGEX
#define ASYNCWEBSERVER_REGEX_ATTRIBUTE
#else
#define ASYNCWEBSERVER_REGEX_ATTRIBUTE __attribute__((warning("ASYNCWEBSERVER_REGEX not defined")))
#endif
#define DEBUGF(...) //Serial.printf(__VA_ARGS__)
class AsyncWebServer;
class AsyncWebServerRequest;
class AsyncWebServerResponse;
class AsyncWebHeader;
class AsyncWebParameter;
class AsyncWebRewrite;
class AsyncWebHandler;
class AsyncStaticWebHandler;
class AsyncCallbackWebHandler;
class AsyncResponseStream;
#ifndef ESPWEBSERVER_H
typedef enum {
HTTP_GET = 0b00000001,
HTTP_POST = 0b00000010,
HTTP_DELETE = 0b00000100,
HTTP_PUT = 0b00001000,
HTTP_PATCH = 0b00010000,
HTTP_HEAD = 0b00100000,
HTTP_OPTIONS = 0b01000000,
HTTP_ANY = 0b01111111,
} WebRequestMethod;
#endif
//if this value is returned when asked for data, packet will not be sent and you will be asked for data again
#define RESPONSE_TRY_AGAIN 0xFFFFFFFF
typedef uint8_t WebRequestMethodComposite;
typedef std::function<void(void)> ArDisconnectHandler;
/*
* PARAMETER :: Chainable object to hold GET/POST and FILE parameters
* */
class AsyncWebParameter {
private:
String _name;
String _value;
size_t _size;
bool _isForm;
bool _isFile;
public:
AsyncWebParameter(const String& name, const String& value, bool form=false, bool file=false, size_t size=0): _name(name), _value(value), _size(size), _isForm(form), _isFile(file){}
const String& name() const { return _name; }
const String& value() const { return _value; }
size_t size() const { return _size; }
bool isPost() const { return _isForm; }
bool isFile() const { return _isFile; }
};
/*
* HEADER :: Chainable object to hold the headers
* */
class AsyncWebHeader {
private:
String _name;
String _value;
public:
AsyncWebHeader(const String& name, const String& value): _name(name), _value(value){}
AsyncWebHeader(const String& data): _name(), _value(){
if(!data) return;
int index = data.indexOf(':');
if (index < 0) return;
_name = data.substring(0, index);
_value = data.substring(index + 2);
}
~AsyncWebHeader(){}
const String& name() const { return _name; }
const String& value() const { return _value; }
String toString() const { return String(_name+": "+_value+"\r\n"); }
};
/*
* REQUEST :: Each incoming Client is wrapped inside a Request and both live together until disconnect
* */
typedef enum { RCT_NOT_USED = -1, RCT_DEFAULT = 0, RCT_HTTP, RCT_WS, RCT_EVENT, RCT_MAX } RequestedConnectionType;
typedef std::function<size_t(uint8_t*, size_t, size_t)> AwsResponseFiller;
typedef std::function<String(const String&)> AwsTemplateProcessor;
class AsyncWebServerRequest {
using File = fs::File;
using FS = fs::FS;
friend class AsyncWebServer;
friend class AsyncCallbackWebHandler;
private:
AsyncClient* _client;
AsyncWebServer* _server;
AsyncWebHandler* _handler;
AsyncWebServerResponse* _response;
StringArray _interestingHeaders;
ArDisconnectHandler _onDisconnectfn;
String _temp;
uint8_t _parseState;
uint8_t _version;
WebRequestMethodComposite _method;
String _url;
String _host;
String _contentType;
String _boundary;
String _authorization;
RequestedConnectionType _reqconntype;
void _removeNotInterestingHeaders();
bool _isDigest;
bool _isMultipart;
bool _isPlainPost;
bool _expectingContinue;
size_t _contentLength;
size_t _parsedLength;
LinkedList<AsyncWebHeader *> _headers;
LinkedList<AsyncWebParameter *> _params;
LinkedList<String *> _pathParams;
uint8_t _multiParseState;
uint8_t _boundaryPosition;
size_t _itemStartIndex;
size_t _itemSize;
String _itemName;
String _itemFilename;
String _itemType;
String _itemValue;
uint8_t *_itemBuffer;
size_t _itemBufferIndex;
bool _itemIsFile;
void _onPoll();
void _onAck(size_t len, uint32_t time);
void _onError(int8_t error);
void _onTimeout(uint32_t time);
void _onDisconnect();
void _onData(void *buf, size_t len);
void _addParam(AsyncWebParameter*);
void _addPathParam(const char *param);
bool _parseReqHead();
bool _parseReqHeader();
void _parseLine();
void _parsePlainPostChar(uint8_t data);
void _parseMultipartPostByte(uint8_t data, bool last);
void _addGetParams(const String& params);
void _handleUploadStart();
void _handleUploadByte(uint8_t data, bool last);
void _handleUploadEnd();
public:
File _tempFile;
void *_tempObject;
AsyncWebServerRequest(AsyncWebServer*, AsyncClient*);
~AsyncWebServerRequest();
AsyncClient* client(){ return _client; }
uint8_t version() const { return _version; }
WebRequestMethodComposite method() const { return _method; }
const String& url() const { return _url; }
const String& host() const { return _host; }
const String& contentType() const { return _contentType; }
size_t contentLength() const { return _contentLength; }
bool multipart() const { return _isMultipart; }
const char * methodToString() const;
const char * requestedConnTypeToString() const;
RequestedConnectionType requestedConnType() const { return _reqconntype; }
bool isExpectedRequestedConnType(RequestedConnectionType erct1, RequestedConnectionType erct2 = RCT_NOT_USED, RequestedConnectionType erct3 = RCT_NOT_USED);
void onDisconnect (ArDisconnectHandler fn);
//hash is the string representation of:
// base64(user:pass) for basic or
// user:realm:md5(user:realm:pass) for digest
bool authenticate(const char * hash);
bool authenticate(const char * username, const char * password, const char * realm = NULL, bool passwordIsHash = false);
void requestAuthentication(const char * realm = NULL, bool isDigest = true);
void setHandler(AsyncWebHandler *handler){ _handler = handler; }
void addInterestingHeader(const String& name);
void redirect(const String& url);
void send(AsyncWebServerResponse *response);
void send(int code, const String& contentType=String(), const String& content=String());
void send(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
void send(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
void send(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
void send(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
void sendChunked(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
void send_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
void send_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
AsyncWebServerResponse *beginResponse(int code, const String& contentType=String(), const String& content=String());
AsyncWebServerResponse *beginResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
AsyncWebServerResponse *beginResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
AsyncWebServerResponse *beginResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
AsyncWebServerResponse *beginResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
AsyncWebServerResponse *beginChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
AsyncResponseStream *beginResponseStream(const String& contentType, size_t bufferSize=1460);
AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
AsyncWebServerResponse *beginResponse_P(int code, const String& contentType, PGM_P content, AwsTemplateProcessor callback=nullptr);
size_t headers() const; // get header count
bool hasHeader(const String& name) const; // check if header exists
bool hasHeader(const __FlashStringHelper * data) const; // check if header exists
AsyncWebHeader* getHeader(const String& name) const;
AsyncWebHeader* getHeader(const __FlashStringHelper * data) const;
AsyncWebHeader* getHeader(size_t num) const;
size_t params() const; // get arguments count
bool hasParam(const String& name, bool post=false, bool file=false) const;
bool hasParam(const __FlashStringHelper * data, bool post=false, bool file=false) const;
AsyncWebParameter* getParam(const String& name, bool post=false, bool file=false) const;
AsyncWebParameter* getParam(const __FlashStringHelper * data, bool post, bool file) const;
AsyncWebParameter* getParam(size_t num) const;
size_t args() const { return params(); } // get arguments count
const String& arg(const String& name) const; // get request argument value by name
const String& arg(const __FlashStringHelper * data) const; // get request argument value by F(name)
const String& arg(size_t i) const; // get request argument value by number
const String& argName(size_t i) const; // get request argument name by number
bool hasArg(const char* name) const; // check if argument exists
bool hasArg(const __FlashStringHelper * data) const; // check if F(argument) exists
const String& ASYNCWEBSERVER_REGEX_ATTRIBUTE pathArg(size_t i) const;
const String& header(const char* name) const;// get request header value by name
const String& header(const __FlashStringHelper * data) const;// get request header value by F(name)
const String& header(size_t i) const; // get request header value by number
const String& headerName(size_t i) const; // get request header name by number
String urlDecode(const String& text) const;
};
/*
* FILTER :: Callback to filter AsyncWebRewrite and AsyncWebHandler (done by the Server)
* */
typedef std::function<bool(AsyncWebServerRequest *request)> ArRequestFilterFunction;
bool ON_STA_FILTER(AsyncWebServerRequest *request);
bool ON_AP_FILTER(AsyncWebServerRequest *request);
/*
* REWRITE :: One instance can be handle any Request (done by the Server)
* */
class AsyncWebRewrite {
protected:
String _from;
String _toUrl;
String _params;
ArRequestFilterFunction _filter;
public:
AsyncWebRewrite(const char* from, const char* to): _from(from), _toUrl(to), _params(String()), _filter(NULL){
int index = _toUrl.indexOf('?');
if (index > 0) {
_params = _toUrl.substring(index +1);
_toUrl = _toUrl.substring(0, index);
}
}
virtual ~AsyncWebRewrite(){}
AsyncWebRewrite& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
bool filter(AsyncWebServerRequest *request) const { return _filter == NULL || _filter(request); }
const String& from(void) const { return _from; }
const String& toUrl(void) const { return _toUrl; }
const String& params(void) const { return _params; }
virtual bool match(AsyncWebServerRequest *request) { return from() == request->url() && filter(request); }
};
/*
* HANDLER :: One instance can be attached to any Request (done by the Server)
* */
class AsyncWebHandler {
protected:
ArRequestFilterFunction _filter;
String _username;
String _password;
public:
AsyncWebHandler():_username(""), _password(""){}
AsyncWebHandler& setFilter(ArRequestFilterFunction fn) { _filter = fn; return *this; }
AsyncWebHandler& setAuthentication(const char *username, const char *password){ _username = String(username);_password = String(password); return *this; };
bool filter(AsyncWebServerRequest *request){ return _filter == NULL || _filter(request); }
virtual ~AsyncWebHandler(){}
virtual bool canHandle(AsyncWebServerRequest *request __attribute__((unused))){
return false;
}
virtual void handleRequest(AsyncWebServerRequest *request __attribute__((unused))){}
virtual void handleUpload(AsyncWebServerRequest *request __attribute__((unused)), const String& filename __attribute__((unused)), size_t index __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), bool final __attribute__((unused))){}
virtual void handleBody(AsyncWebServerRequest *request __attribute__((unused)), uint8_t *data __attribute__((unused)), size_t len __attribute__((unused)), size_t index __attribute__((unused)), size_t total __attribute__((unused))){}
virtual bool isRequestHandlerTrivial(){return true;}
};
/*
* RESPONSE :: One instance is created for each Request (attached by the Handler)
* */
typedef enum {
RESPONSE_SETUP, RESPONSE_HEADERS, RESPONSE_CONTENT, RESPONSE_WAIT_ACK, RESPONSE_END, RESPONSE_FAILED
} WebResponseState;
class AsyncWebServerResponse {
protected:
int _code;
LinkedList<AsyncWebHeader *> _headers;
String _contentType;
size_t _contentLength;
bool _sendContentLength;
bool _chunked;
size_t _headLength;
size_t _sentLength;
size_t _ackedLength;
size_t _writtenLength;
WebResponseState _state;
const char* _responseCodeToString(int code);
public:
AsyncWebServerResponse();
virtual ~AsyncWebServerResponse();
virtual void setCode(int code);
virtual void setContentLength(size_t len);
virtual void setContentType(const String& type);
virtual void addHeader(const String& name, const String& value);
virtual String _assembleHead(uint8_t version);
virtual bool _started() const;
virtual bool _finished() const;
virtual bool _failed() const;
virtual bool _sourceValid() const;
virtual void _respond(AsyncWebServerRequest *request);
virtual size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
};
/*
* SERVER :: One instance
* */
typedef std::function<void(AsyncWebServerRequest *request)> ArRequestHandlerFunction;
typedef std::function<void(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final)> ArUploadHandlerFunction;
typedef std::function<void(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total)> ArBodyHandlerFunction;
class AsyncWebServer {
protected:
AsyncServer _server;
LinkedList<AsyncWebRewrite*> _rewrites;
LinkedList<AsyncWebHandler*> _handlers;
AsyncCallbackWebHandler* _catchAllHandler;
public:
AsyncWebServer(uint16_t port);
~AsyncWebServer();
void begin();
void end();
#if ASYNC_TCP_SSL_ENABLED
void onSslFileRequest(AcSSlFileHandler cb, void* arg);
void beginSecure(const char *cert, const char *private_key_file, const char *password);
#endif
AsyncWebRewrite& addRewrite(AsyncWebRewrite* rewrite);
bool removeRewrite(AsyncWebRewrite* rewrite);
AsyncWebRewrite& rewrite(const char* from, const char* to);
AsyncWebHandler& addHandler(AsyncWebHandler* handler);
bool removeHandler(AsyncWebHandler* handler);
AsyncCallbackWebHandler& on(const char* uri, ArRequestHandlerFunction onRequest);
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest);
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload);
AsyncCallbackWebHandler& on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody);
AsyncStaticWebHandler& serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control = NULL);
void onNotFound(ArRequestHandlerFunction fn); //called when handler is not assigned
void onFileUpload(ArUploadHandlerFunction fn); //handle file uploads
void onRequestBody(ArBodyHandlerFunction fn); //handle posts with plain body content (JSON often transmitted this way as a request)
void reset(); //remove all writers and handlers, with onNotFound/onFileUpload/onRequestBody
void _handleDisconnect(AsyncWebServerRequest *request);
void _attachHandler(AsyncWebServerRequest *request);
void _rewriteRequest(AsyncWebServerRequest *request);
};
class DefaultHeaders {
using headers_t = LinkedList<AsyncWebHeader *>;
headers_t _headers;
DefaultHeaders()
:_headers(headers_t([](AsyncWebHeader *h){ delete h; }))
{}
public:
using ConstIterator = headers_t::ConstIterator;
void addHeader(const String& name, const String& value){
_headers.add(new AsyncWebHeader(name, value));
}
ConstIterator begin() const { return _headers.begin(); }
ConstIterator end() const { return _headers.end(); }
DefaultHeaders(DefaultHeaders const &) = delete;
DefaultHeaders &operator=(DefaultHeaders const &) = delete;
static DefaultHeaders &Instance() {
static DefaultHeaders instance;
return instance;
}
};
#include "WebResponseImpl.h"
#include "WebHandlerImpl.h"
#include "AsyncWebSocket.h"
#include "AsyncEventSource.h"
#endif /* _AsyncWebServer_H_ */

544
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/SPIFFSEditor.cpp
View file

@ -1,544 +0,0 @@
#include "SPIFFSEditor.h"
#include <FS.h>
//File: edit.htm.gz, Size: 4151
#define edit_htm_gz_len 4151
const uint8_t edit_htm_gz[] PROGMEM = {
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0x79, 0xFB, 0xF3, 0x4F, 0x39, 0x5B, 0xDE, 0xF6, 0x92, 0x62, 0x71, 0xE1, 0xF3, 0xFC, 0xA9, 0x35,
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0xE8, 0x9D, 0x36, 0x92, 0x29, 0x00, 0x00
};
#define SPIFFS_MAXLENGTH_FILEPATH 32
const char *excludeListFile = "/.exclude.files";
typedef struct ExcludeListS {
char *item;
ExcludeListS *next;
} ExcludeList;
static ExcludeList *excludes = NULL;
static bool matchWild(const char *pattern, const char *testee) {
const char *nxPat = NULL, *nxTst = NULL;
while (*testee) {
if (( *pattern == '?' ) || (*pattern == *testee)){
pattern++;testee++;
continue;
}
if (*pattern=='*'){
nxPat=pattern++; nxTst=testee;
continue;
}
if (nxPat){
pattern = nxPat+1; testee=++nxTst;
continue;
}
return false;
}
while (*pattern=='*'){pattern++;}
return (*pattern == 0);
}
static bool addExclude(const char *item){
size_t len = strlen(item);
if(!len){
return false;
}
ExcludeList *e = (ExcludeList *)malloc(sizeof(ExcludeList));
if(!e){
return false;
}
e->item = (char *)malloc(len+1);
if(!e->item){
free(e);
return false;
}
memcpy(e->item, item, len+1);
e->next = excludes;
excludes = e;
return true;
}
static void loadExcludeList(fs::FS &_fs, const char *filename){
static char linebuf[SPIFFS_MAXLENGTH_FILEPATH];
fs::File excludeFile=_fs.open(filename, "r");
if(!excludeFile){
//addExclude("/*.js.gz");
return;
}
#ifdef ESP32
if(excludeFile.isDirectory()){
excludeFile.close();
return;
}
#endif
if (excludeFile.size() > 0){
uint8_t idx;
bool isOverflowed = false;
while (excludeFile.available()){
linebuf[0] = '\0';
idx = 0;
int lastChar;
do {
lastChar = excludeFile.read();
if(lastChar != '\r'){
linebuf[idx++] = (char) lastChar;
}
} while ((lastChar >= 0) && (lastChar != '\n') && (idx < SPIFFS_MAXLENGTH_FILEPATH));
if(isOverflowed){
isOverflowed = (lastChar != '\n');
continue;
}
isOverflowed = (idx >= SPIFFS_MAXLENGTH_FILEPATH);
linebuf[idx-1] = '\0';
if(!addExclude(linebuf)){
excludeFile.close();
return;
}
}
}
excludeFile.close();
}
static bool isExcluded(fs::FS &_fs, const char *filename) {
if(excludes == NULL){
loadExcludeList(_fs, excludeListFile);
}
ExcludeList *e = excludes;
while(e){
if (matchWild(e->item, filename)){
return true;
}
e = e->next;
}
return false;
}
// WEB HANDLER IMPLEMENTATION
#ifdef ESP32
SPIFFSEditor::SPIFFSEditor(const fs::FS& fs, const String& username, const String& password)
#else
SPIFFSEditor::SPIFFSEditor(const String& username, const String& password, const fs::FS& fs)
#endif
:_fs(fs)
,_username(username)
,_password(password)
,_authenticated(false)
,_startTime(0)
{}
bool SPIFFSEditor::canHandle(AsyncWebServerRequest *request){
if(request->url().equalsIgnoreCase("/edit")){
if(request->method() == HTTP_GET){
if(request->hasParam("list"))
return true;
if(request->hasParam("edit")){
request->_tempFile = _fs.open(request->arg("edit"), "r");
if(!request->_tempFile){
return false;
}
#ifdef ESP32
if(request->_tempFile.isDirectory()){
request->_tempFile.close();
return false;
}
#endif
}
if(request->hasParam("download")){
request->_tempFile = _fs.open(request->arg("download"), "r");
if(!request->_tempFile){
return false;
}
#ifdef ESP32
if(request->_tempFile.isDirectory()){
request->_tempFile.close();
return false;
}
#endif
}
request->addInterestingHeader("If-Modified-Since");
return true;
}
else if(request->method() == HTTP_POST)
return true;
else if(request->method() == HTTP_DELETE)
return true;
else if(request->method() == HTTP_PUT)
return true;
}
return false;
}
void SPIFFSEditor::handleRequest(AsyncWebServerRequest *request){
if(_username.length() && _password.length() && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
if(request->method() == HTTP_GET){
if(request->hasParam("list")){
String path = request->getParam("list")->value();
#ifdef ESP32
File dir = _fs.open(path);
#else
Dir dir = _fs.openDir(path);
#endif
path = String();
String output = "[";
#ifdef ESP32
File entry = dir.openNextFile();
while(entry){
#else
while(dir.next()){
fs::File entry = dir.openFile("r");
#endif
if (isExcluded(_fs, entry.name())) {
#ifdef ESP32
entry = dir.openNextFile();
#endif
continue;
}
if (output != "[") output += ',';
output += "{\"type\":\"";
output += "file";
output += "\",\"name\":\"";
output += String(entry.name());
output += "\",\"size\":";
output += String(entry.size());
output += "}";
#ifdef ESP32
entry = dir.openNextFile();
#else
entry.close();
#endif
}
#ifdef ESP32
dir.close();
#endif
output += "]";
request->send(200, "application/json", output);
output = String();
}
else if(request->hasParam("edit") || request->hasParam("download")){
request->send(request->_tempFile, request->_tempFile.name(), String(), request->hasParam("download"));
}
else {
const char * buildTime = __DATE__ " " __TIME__ " GMT";
if (request->header("If-Modified-Since").equals(buildTime)) {
request->send(304);
} else {
AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", edit_htm_gz, edit_htm_gz_len);
response->addHeader("Content-Encoding", "gzip");
response->addHeader("Last-Modified", buildTime);
request->send(response);
}
}
} else if(request->method() == HTTP_DELETE){
if(request->hasParam("path", true)){
_fs.remove(request->getParam("path", true)->value());
request->send(200, "", "DELETE: "+request->getParam("path", true)->value());
} else
request->send(404);
} else if(request->method() == HTTP_POST){
if(request->hasParam("data", true, true) && _fs.exists(request->getParam("data", true, true)->value()))
request->send(200, "", "UPLOADED: "+request->getParam("data", true, true)->value());
else
request->send(500);
} else if(request->method() == HTTP_PUT){
if(request->hasParam("path", true)){
String filename = request->getParam("path", true)->value();
if(_fs.exists(filename)){
request->send(200);
} else {
fs::File f = _fs.open(filename, "w");
if(f){
f.write((uint8_t)0x00);
f.close();
request->send(200, "", "CREATE: "+filename);
} else {
request->send(500);
}
}
} else
request->send(400);
}
}
void SPIFFSEditor::handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final){
if(!index){
if(!_username.length() || request->authenticate(_username.c_str(),_password.c_str())){
_authenticated = true;
request->_tempFile = _fs.open(filename, "w");
_startTime = millis();
}
}
if(_authenticated && request->_tempFile){
if(len){
request->_tempFile.write(data,len);
}
if(final){
request->_tempFile.close();
}
}
}

24
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/SPIFFSEditor.h
View file

@ -1,24 +0,0 @@
#ifndef SPIFFSEditor_H_
#define SPIFFSEditor_H_
#include "ESPAsyncWebServer.h"
class SPIFFSEditor: public AsyncWebHandler {
private:
fs::FS _fs;
String _username;
String _password;
bool _authenticated;
uint32_t _startTime;
public:
#ifdef ESP32
SPIFFSEditor(const fs::FS& fs, const String& username=String(), const String& password=String());
#else
SPIFFSEditor(const String& username=String(), const String& password=String(), const fs::FS& fs=SPIFFS);
#endif
virtual bool canHandle(AsyncWebServerRequest *request) override final;
virtual void handleRequest(AsyncWebServerRequest *request) override final;
virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final;
virtual bool isRequestHandlerTrivial() override final {return false;}
};
#endif

193
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/StringArray.h
View file

@ -1,193 +0,0 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef STRINGARRAY_H_
#define STRINGARRAY_H_
#include "stddef.h"
#include "WString.h"
template <typename T>
class LinkedListNode {
T _value;
public:
LinkedListNode<T>* next;
LinkedListNode(const T val): _value(val), next(nullptr) {}
~LinkedListNode(){}
const T& value() const { return _value; };
T& value(){ return _value; }
};
template <typename T, template<typename> class Item = LinkedListNode>
class LinkedList {
public:
typedef Item<T> ItemType;
typedef std::function<void(const T&)> OnRemove;
typedef std::function<bool(const T&)> Predicate;
private:
ItemType* _root;
OnRemove _onRemove;
class Iterator {
ItemType* _node;
public:
Iterator(ItemType* current = nullptr) : _node(current) {}
Iterator(const Iterator& i) : _node(i._node) {}
Iterator& operator ++() { _node = _node->next; return *this; }
bool operator != (const Iterator& i) const { return _node != i._node; }
const T& operator * () const { return _node->value(); }
const T* operator -> () const { return &_node->value(); }
};
public:
typedef const Iterator ConstIterator;
ConstIterator begin() const { return ConstIterator(_root); }
ConstIterator end() const { return ConstIterator(nullptr); }
LinkedList(OnRemove onRemove) : _root(nullptr), _onRemove(onRemove) {}
~LinkedList(){}
void add(const T& t){
auto it = new ItemType(t);
if(!_root){
_root = it;
} else {
auto i = _root;
while(i->next) i = i->next;
i->next = it;
}
}
T& front() const {
return _root->value();
}
bool isEmpty() const {
return _root == nullptr;
}
size_t length() const {
size_t i = 0;
auto it = _root;
while(it){
i++;
it = it->next;
}
return i;
}
size_t count_if(Predicate predicate) const {
size_t i = 0;
auto it = _root;
while(it){
if (!predicate){
i++;
}
else if (predicate(it->value())) {
i++;
}
it = it->next;
}
return i;
}
const T* nth(size_t N) const {
size_t i = 0;
auto it = _root;
while(it){
if(i++ == N)
return &(it->value());
it = it->next;
}
return nullptr;
}
bool remove(const T& t){
auto it = _root;
auto pit = _root;
while(it){
if(it->value() == t){
if(it == _root){
_root = _root->next;
} else {
pit->next = it->next;
}
if (_onRemove) {
_onRemove(it->value());
}
delete it;
return true;
}
pit = it;
it = it->next;
}
return false;
}
bool remove_first(Predicate predicate){
auto it = _root;
auto pit = _root;
while(it){
if(predicate(it->value())){
if(it == _root){
_root = _root->next;
} else {
pit->next = it->next;
}
if (_onRemove) {
_onRemove(it->value());
}
delete it;
return true;
}
pit = it;
it = it->next;
}
return false;
}
void free(){
while(_root != nullptr){
auto it = _root;
_root = _root->next;
if (_onRemove) {
_onRemove(it->value());
}
delete it;
}
_root = nullptr;
}
};
class StringArray : public LinkedList<String> {
public:
StringArray() : LinkedList(nullptr) {}
bool containsIgnoreCase(const String& str){
for (const auto& s : *this) {
if (str.equalsIgnoreCase(s)) {
return true;
}
}
return false;
}
};
#endif /* STRINGARRAY_H_ */

235
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/WebAuthentication.cpp
View file

@ -1,235 +0,0 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "WebAuthentication.h"
#include <libb64/cencode.h>
#ifdef ESP32
#include "mbedtls/md5.h"
#else
#include "md5.h"
#endif
// Basic Auth hash = base64("username:password")
bool checkBasicAuthentication(const char * hash, const char * username, const char * password){
if(username == NULL || password == NULL || hash == NULL)
return false;
size_t toencodeLen = strlen(username)+strlen(password)+1;
size_t encodedLen = base64_encode_expected_len(toencodeLen);
if(strlen(hash) != encodedLen)
return false;
char *toencode = new char[toencodeLen+1];
if(toencode == NULL){
return false;
}
char *encoded = new char[base64_encode_expected_len(toencodeLen)+1];
if(encoded == NULL){
delete[] toencode;
return false;
}
sprintf(toencode, "%s:%s", username, password);
if(base64_encode_chars(toencode, toencodeLen, encoded) > 0 && memcmp(hash, encoded, encodedLen) == 0){
delete[] toencode;
delete[] encoded;
return true;
}
delete[] toencode;
delete[] encoded;
return false;
}
static bool getMD5(uint8_t * data, uint16_t len, char * output){//33 bytes or more
#ifdef ESP32
mbedtls_md5_context _ctx;
#else
md5_context_t _ctx;
#endif
uint8_t i;
uint8_t * _buf = (uint8_t*)malloc(16);
if(_buf == NULL)
return false;
memset(_buf, 0x00, 16);
#ifdef ESP32
mbedtls_md5_init(&_ctx);
mbedtls_md5_starts(&_ctx);
mbedtls_md5_update(&_ctx, data, len);
mbedtls_md5_finish(&_ctx, _buf);
#else
MD5Init(&_ctx);
MD5Update(&_ctx, data, len);
MD5Final(_buf, &_ctx);
#endif
for(i = 0; i < 16; i++) {
sprintf(output + (i * 2), "%02x", _buf[i]);
}
free(_buf);
return true;
}
static String genRandomMD5(){
#ifdef ESP8266
uint32_t r = RANDOM_REG32;
#else
uint32_t r = rand();
#endif
char * out = (char*)malloc(33);
if(out == NULL || !getMD5((uint8_t*)(&r), 4, out))
return "";
String res = String(out);
free(out);
return res;
}
static String stringMD5(const String& in){
char * out = (char*)malloc(33);
if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
return "";
String res = String(out);
free(out);
return res;
}
String generateDigestHash(const char * username, const char * password, const char * realm){
if(username == NULL || password == NULL || realm == NULL){
return "";
}
char * out = (char*)malloc(33);
String res = String(username);
res.concat(":");
res.concat(realm);
res.concat(":");
String in = res;
in.concat(password);
if(out == NULL || !getMD5((uint8_t*)(in.c_str()), in.length(), out))
return "";
res.concat(out);
free(out);
return res;
}
String requestDigestAuthentication(const char * realm){
String header = "realm=\"";
if(realm == NULL)
header.concat("asyncesp");
else
header.concat(realm);
header.concat( "\", qop=\"auth\", nonce=\"");
header.concat(genRandomMD5());
header.concat("\", opaque=\"");
header.concat(genRandomMD5());
header.concat("\"");
return header;
}
bool checkDigestAuthentication(const char * header, const char * method, const char * username, const char * password, const char * realm, bool passwordIsHash, const char * nonce, const char * opaque, const char * uri){
if(username == NULL || password == NULL || header == NULL || method == NULL){
//os_printf("AUTH FAIL: missing requred fields\n");
return false;
}
String myHeader = String(header);
int nextBreak = myHeader.indexOf(",");
if(nextBreak < 0){
//os_printf("AUTH FAIL: no variables\n");
return false;
}
String myUsername = String();
String myRealm = String();
String myNonce = String();
String myUri = String();
String myResponse = String();
String myQop = String();
String myNc = String();
String myCnonce = String();
myHeader += ", ";
do {
String avLine = myHeader.substring(0, nextBreak);
avLine.trim();
myHeader = myHeader.substring(nextBreak+1);
nextBreak = myHeader.indexOf(",");
int eqSign = avLine.indexOf("=");
if(eqSign < 0){
//os_printf("AUTH FAIL: no = sign\n");
return false;
}
String varName = avLine.substring(0, eqSign);
avLine = avLine.substring(eqSign + 1);
if(avLine.startsWith("\"")){
avLine = avLine.substring(1, avLine.length() - 1);
}
if(varName.equals("username")){
if(!avLine.equals(username)){
//os_printf("AUTH FAIL: username\n");
return false;
}
myUsername = avLine;
} else if(varName.equals("realm")){
if(realm != NULL && !avLine.equals(realm)){
//os_printf("AUTH FAIL: realm\n");
return false;
}
myRealm = avLine;
} else if(varName.equals("nonce")){
if(nonce != NULL && !avLine.equals(nonce)){
//os_printf("AUTH FAIL: nonce\n");
return false;
}
myNonce = avLine;
} else if(varName.equals("opaque")){
if(opaque != NULL && !avLine.equals(opaque)){
//os_printf("AUTH FAIL: opaque\n");
return false;
}
} else if(varName.equals("uri")){
if(uri != NULL && !avLine.equals(uri)){
//os_printf("AUTH FAIL: uri\n");
return false;
}
myUri = avLine;
} else if(varName.equals("response")){
myResponse = avLine;
} else if(varName.equals("qop")){
myQop = avLine;
} else if(varName.equals("nc")){
myNc = avLine;
} else if(varName.equals("cnonce")){
myCnonce = avLine;
}
} while(nextBreak > 0);
String ha1 = (passwordIsHash) ? String(password) : stringMD5(myUsername + ":" + myRealm + ":" + String(password));
String ha2 = String(method) + ":" + myUri;
String response = ha1 + ":" + myNonce + ":" + myNc + ":" + myCnonce + ":" + myQop + ":" + stringMD5(ha2);
if(myResponse.equals(stringMD5(response))){
//os_printf("AUTH SUCCESS\n");
return true;
}
//os_printf("AUTH FAIL: password\n");
return false;
}

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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSERVERHANDLERIMPL_H_
#define ASYNCWEBSERVERHANDLERIMPL_H_
#include <string>
#ifdef ASYNCWEBSERVER_REGEX
#include <regex>
#endif
#include "stddef.h"
#include <time.h>
class AsyncStaticWebHandler: public AsyncWebHandler {
using File = fs::File;
using FS = fs::FS;
private:
bool _getFile(AsyncWebServerRequest *request);
bool _fileExists(AsyncWebServerRequest *request, const String& path);
uint8_t _countBits(const uint8_t value) const;
protected:
FS _fs;
String _uri;
String _path;
String _default_file;
String _cache_control;
String _last_modified;
AwsTemplateProcessor _callback;
bool _isDir;
bool _gzipFirst;
uint8_t _gzipStats;
public:
AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control);
virtual bool canHandle(AsyncWebServerRequest *request) override final;
virtual void handleRequest(AsyncWebServerRequest *request) override final;
AsyncStaticWebHandler& setIsDir(bool isDir);
AsyncStaticWebHandler& setDefaultFile(const char* filename);
AsyncStaticWebHandler& setCacheControl(const char* cache_control);
AsyncStaticWebHandler& setLastModified(const char* last_modified);
AsyncStaticWebHandler& setLastModified(struct tm* last_modified);
#ifdef ESP8266
AsyncStaticWebHandler& setLastModified(time_t last_modified);
AsyncStaticWebHandler& setLastModified(); //sets to current time. Make sure sntp is runing and time is updated
#endif
AsyncStaticWebHandler& setTemplateProcessor(AwsTemplateProcessor newCallback) {_callback = newCallback; return *this;}
};
class AsyncCallbackWebHandler: public AsyncWebHandler {
private:
protected:
String _uri;
WebRequestMethodComposite _method;
ArRequestHandlerFunction _onRequest;
ArUploadHandlerFunction _onUpload;
ArBodyHandlerFunction _onBody;
bool _isRegex;
public:
AsyncCallbackWebHandler() : _uri(), _method(HTTP_ANY), _onRequest(NULL), _onUpload(NULL), _onBody(NULL), _isRegex(false) {}
void setUri(const String& uri){
_uri = uri;
_isRegex = uri.startsWith("^") && uri.endsWith("$");
}
void setMethod(WebRequestMethodComposite method){ _method = method; }
void onRequest(ArRequestHandlerFunction fn){ _onRequest = fn; }
void onUpload(ArUploadHandlerFunction fn){ _onUpload = fn; }
void onBody(ArBodyHandlerFunction fn){ _onBody = fn; }
virtual bool canHandle(AsyncWebServerRequest *request) override final{
if(!_onRequest)
return false;
if(!(_method & request->method()))
return false;
#ifdef ASYNCWEBSERVER_REGEX
if (_isRegex) {
std::regex pattern(_uri.c_str());
std::smatch matches;
std::string s(request->url().c_str());
if(std::regex_search(s, matches, pattern)) {
for (size_t i = 1; i < matches.size(); ++i) { // start from 1
request->_addPathParam(matches[i].str().c_str());
}
} else {
return false;
}
} else
#endif
if (_uri.length() && _uri.startsWith("/*.")) {
String uriTemplate = String (_uri);
uriTemplate = uriTemplate.substring(uriTemplate.lastIndexOf("."));
if (!request->url().endsWith(uriTemplate))
return false;
}
else
if (_uri.length() && _uri.endsWith("*")) {
String uriTemplate = String(_uri);
uriTemplate = uriTemplate.substring(0, uriTemplate.length() - 1);
if (!request->url().startsWith(uriTemplate))
return false;
}
else if(_uri.length() && (_uri != request->url() && !request->url().startsWith(_uri+"/")))
return false;
request->addInterestingHeader("ANY");
return true;
}
virtual void handleRequest(AsyncWebServerRequest *request) override final {
if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
if(_onRequest)
_onRequest(request);
else
request->send(500);
}
virtual void handleUpload(AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) override final {
if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
if(_onUpload)
_onUpload(request, filename, index, data, len, final);
}
virtual void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override final {
if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
if(_onBody)
_onBody(request, data, len, index, total);
}
virtual bool isRequestHandlerTrivial() override final {return _onRequest ? false : true;}
};
#endif /* ASYNCWEBSERVERHANDLERIMPL_H_ */

220
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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebHandlerImpl.h"
AsyncStaticWebHandler::AsyncStaticWebHandler(const char* uri, FS& fs, const char* path, const char* cache_control)
: _fs(fs), _uri(uri), _path(path), _default_file("index.htm"), _cache_control(cache_control), _last_modified(""), _callback(nullptr)
{
// Ensure leading '/'
if (_uri.length() == 0 || _uri[0] != '/') _uri = "/" + _uri;
if (_path.length() == 0 || _path[0] != '/') _path = "/" + _path;
// If path ends with '/' we assume a hint that this is a directory to improve performance.
// However - if it does not end with '/' we, can't assume a file, path can still be a directory.
_isDir = _path[_path.length()-1] == '/';
// Remove the trailing '/' so we can handle default file
// Notice that root will be "" not "/"
if (_uri[_uri.length()-1] == '/') _uri = _uri.substring(0, _uri.length()-1);
if (_path[_path.length()-1] == '/') _path = _path.substring(0, _path.length()-1);
// Reset stats
_gzipFirst = false;
_gzipStats = 0xF8;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setIsDir(bool isDir){
_isDir = isDir;
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setDefaultFile(const char* filename){
_default_file = String(filename);
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setCacheControl(const char* cache_control){
_cache_control = String(cache_control);
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(const char* last_modified){
_last_modified = String(last_modified);
return *this;
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(struct tm* last_modified){
char result[30];
strftime (result,30,"%a, %d %b %Y %H:%M:%S %Z", last_modified);
return setLastModified((const char *)result);
}
#ifdef ESP8266
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(time_t last_modified){
return setLastModified((struct tm *)gmtime(&last_modified));
}
AsyncStaticWebHandler& AsyncStaticWebHandler::setLastModified(){
time_t last_modified;
if(time(&last_modified) == 0) //time is not yet set
return *this;
return setLastModified(last_modified);
}
#endif
bool AsyncStaticWebHandler::canHandle(AsyncWebServerRequest *request){
if(request->method() != HTTP_GET
|| !request->url().startsWith(_uri)
|| !request->isExpectedRequestedConnType(RCT_DEFAULT, RCT_HTTP)
){
return false;
}
if (_getFile(request)) {
// We interested in "If-Modified-Since" header to check if file was modified
if (_last_modified.length())
request->addInterestingHeader("If-Modified-Since");
if(_cache_control.length())
request->addInterestingHeader("If-None-Match");
DEBUGF("[AsyncStaticWebHandler::canHandle] TRUE\n");
return true;
}
return false;
}
bool AsyncStaticWebHandler::_getFile(AsyncWebServerRequest *request)
{
// Remove the found uri
String path = request->url().substring(_uri.length());
// We can skip the file check and look for default if request is to the root of a directory or that request path ends with '/'
bool canSkipFileCheck = (_isDir && path.length() == 0) || (path.length() && path[path.length()-1] == '/');
path = _path + path;
// Do we have a file or .gz file
if (!canSkipFileCheck && _fileExists(request, path))
return true;
// Can't handle if not default file
if (_default_file.length() == 0)
return false;
// Try to add default file, ensure there is a trailing '/' ot the path.
if (path.length() == 0 || path[path.length()-1] != '/')
path += "/";
path += _default_file;
return _fileExists(request, path);
}
#ifdef ESP32
#define FILE_IS_REAL(f) (f == true && !f.isDirectory())
#else
#define FILE_IS_REAL(f) (f == true)
#endif
bool AsyncStaticWebHandler::_fileExists(AsyncWebServerRequest *request, const String& path)
{
bool fileFound = false;
bool gzipFound = false;
String gzip = path + ".gz";
if (_gzipFirst) {
request->_tempFile = _fs.open(gzip, "r");
gzipFound = FILE_IS_REAL(request->_tempFile);
if (!gzipFound){
request->_tempFile = _fs.open(path, "r");
fileFound = FILE_IS_REAL(request->_tempFile);
}
} else {
request->_tempFile = _fs.open(path, "r");
fileFound = FILE_IS_REAL(request->_tempFile);
if (!fileFound){
request->_tempFile = _fs.open(gzip, "r");
gzipFound = FILE_IS_REAL(request->_tempFile);
}
}
bool found = fileFound || gzipFound;
if (found) {
// Extract the file name from the path and keep it in _tempObject
size_t pathLen = path.length();
char * _tempPath = (char*)malloc(pathLen+1);
snprintf(_tempPath, pathLen+1, "%s", path.c_str());
request->_tempObject = (void*)_tempPath;
// Calculate gzip statistic
_gzipStats = (_gzipStats << 1) + (gzipFound ? 1 : 0);
if (_gzipStats == 0x00) _gzipFirst = false; // All files are not gzip
else if (_gzipStats == 0xFF) _gzipFirst = true; // All files are gzip
else _gzipFirst = _countBits(_gzipStats) > 4; // IF we have more gzip files - try gzip first
}
return found;
}
uint8_t AsyncStaticWebHandler::_countBits(const uint8_t value) const
{
uint8_t w = value;
uint8_t n;
for (n=0; w!=0; n++) w&=w-1;
return n;
}
void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest *request)
{
// Get the filename from request->_tempObject and free it
String filename = String((char*)request->_tempObject);
free(request->_tempObject);
request->_tempObject = NULL;
if((_username != "" && _password != "") && !request->authenticate(_username.c_str(), _password.c_str()))
return request->requestAuthentication();
if (request->_tempFile == true) {
String etag = String(request->_tempFile.size());
if (_last_modified.length() && _last_modified == request->header("If-Modified-Since")) {
request->_tempFile.close();
request->send(304); // Not modified
} else if (_cache_control.length() && request->hasHeader("If-None-Match") && request->header("If-None-Match").equals(etag)) {
request->_tempFile.close();
AsyncWebServerResponse * response = new AsyncBasicResponse(304); // Not modified
response->addHeader("Cache-Control", _cache_control);
response->addHeader("ETag", etag);
request->send(response);
} else {
AsyncWebServerResponse * response = new AsyncFileResponse(request->_tempFile, filename, String(), false, _callback);
if (_last_modified.length())
response->addHeader("Last-Modified", _last_modified);
if (_cache_control.length()){
response->addHeader("Cache-Control", _cache_control);
response->addHeader("ETag", etag);
}
request->send(response);
}
} else {
request->send(404);
}
}

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136
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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ASYNCWEBSERVERRESPONSEIMPL_H_
#define ASYNCWEBSERVERRESPONSEIMPL_H_
#ifdef Arduino_h
// arduino is not compatible with std::vector
#undef min
#undef max
#endif
#include <vector>
// It is possible to restore these defines, but one can use _min and _max instead. Or std::min, std::max.
class AsyncBasicResponse: public AsyncWebServerResponse {
private:
String _content;
public:
AsyncBasicResponse(int code, const String& contentType=String(), const String& content=String());
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
bool _sourceValid() const { return true; }
};
class AsyncAbstractResponse: public AsyncWebServerResponse {
private:
String _head;
// Data is inserted into cache at begin().
// This is inefficient with vector, but if we use some other container,
// we won't be able to access it as contiguous array of bytes when reading from it,
// so by gaining performance in one place, we'll lose it in another.
std::vector<uint8_t> _cache;
size_t _readDataFromCacheOrContent(uint8_t* data, const size_t len);
size_t _fillBufferAndProcessTemplates(uint8_t* buf, size_t maxLen);
protected:
AwsTemplateProcessor _callback;
public:
AsyncAbstractResponse(AwsTemplateProcessor callback=nullptr);
void _respond(AsyncWebServerRequest *request);
size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
bool _sourceValid() const { return false; }
virtual size_t _fillBuffer(uint8_t *buf __attribute__((unused)), size_t maxLen __attribute__((unused))) { return 0; }
};
#ifndef TEMPLATE_PLACEHOLDER
#define TEMPLATE_PLACEHOLDER '%'
#endif
#define TEMPLATE_PARAM_NAME_LENGTH 32
class AsyncFileResponse: public AsyncAbstractResponse {
using File = fs::File;
using FS = fs::FS;
private:
File _content;
String _path;
void _setContentType(const String& path);
public:
AsyncFileResponse(FS &fs, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
AsyncFileResponse(File content, const String& path, const String& contentType=String(), bool download=false, AwsTemplateProcessor callback=nullptr);
~AsyncFileResponse();
bool _sourceValid() const { return !!(_content); }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
};
class AsyncStreamResponse: public AsyncAbstractResponse {
private:
Stream *_content;
public:
AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback=nullptr);
bool _sourceValid() const { return !!(_content); }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
};
class AsyncCallbackResponse: public AsyncAbstractResponse {
private:
AwsResponseFiller _content;
size_t _filledLength;
public:
AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
bool _sourceValid() const { return !!(_content); }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
};
class AsyncChunkedResponse: public AsyncAbstractResponse {
private:
AwsResponseFiller _content;
size_t _filledLength;
public:
AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor templateCallback=nullptr);
bool _sourceValid() const { return !!(_content); }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
};
class AsyncProgmemResponse: public AsyncAbstractResponse {
private:
const uint8_t * _content;
size_t _readLength;
public:
AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback=nullptr);
bool _sourceValid() const { return true; }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
};
class cbuf;
class AsyncResponseStream: public AsyncAbstractResponse, public Print {
private:
cbuf *_content;
public:
AsyncResponseStream(const String& contentType, size_t bufferSize);
~AsyncResponseStream();
bool _sourceValid() const { return (_state < RESPONSE_END); }
virtual size_t _fillBuffer(uint8_t *buf, size_t maxLen) override;
size_t write(const uint8_t *data, size_t len);
size_t write(uint8_t data);
using Print::write;
};
#endif /* ASYNCWEBSERVERRESPONSEIMPL_H_ */

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Software/src/lib/me-no-dev-ESPAsyncWebServer/src/WebResponses.cpp
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/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebResponseImpl.h"
#include "cbuf.h"
// Since ESP8266 does not link memchr by default, here's its implementation.
void* memchr(void* ptr, int ch, size_t count)
{
unsigned char* p = static_cast<unsigned char*>(ptr);
while(count--)
if(*p++ == static_cast<unsigned char>(ch))
return --p;
return nullptr;
}
/*
* Abstract Response
* */
const char* AsyncWebServerResponse::_responseCodeToString(int code) {
switch (code) {
case 100: return "Continue";
case 101: return "Switching Protocols";
case 200: return "OK";
case 201: return "Created";
case 202: return "Accepted";
case 203: return "Non-Authoritative Information";
case 204: return "No Content";
case 205: return "Reset Content";
case 206: return "Partial Content";
case 300: return "Multiple Choices";
case 301: return "Moved Permanently";
case 302: return "Found";
case 303: return "See Other";
case 304: return "Not Modified";
case 305: return "Use Proxy";
case 307: return "Temporary Redirect";
case 400: return "Bad Request";
case 401: return "Unauthorized";
case 402: return "Payment Required";
case 403: return "Forbidden";
case 404: return "Not Found";
case 405: return "Method Not Allowed";
case 406: return "Not Acceptable";
case 407: return "Proxy Authentication Required";
case 408: return "Request Time-out";
case 409: return "Conflict";
case 410: return "Gone";
case 411: return "Length Required";
case 412: return "Precondition Failed";
case 413: return "Request Entity Too Large";
case 414: return "Request-URI Too Large";
case 415: return "Unsupported Media Type";
case 416: return "Requested range not satisfiable";
case 417: return "Expectation Failed";
case 500: return "Internal Server Error";
case 501: return "Not Implemented";
case 502: return "Bad Gateway";
case 503: return "Service Unavailable";
case 504: return "Gateway Time-out";
case 505: return "HTTP Version not supported";
default: return "";
}
}
AsyncWebServerResponse::AsyncWebServerResponse()
: _code(0)
, _headers(LinkedList<AsyncWebHeader *>([](AsyncWebHeader *h){ delete h; }))
, _contentType()
, _contentLength(0)
, _sendContentLength(true)
, _chunked(false)
, _headLength(0)
, _sentLength(0)
, _ackedLength(0)
, _writtenLength(0)
, _state(RESPONSE_SETUP)
{
for(auto header: DefaultHeaders::Instance()) {
_headers.add(new AsyncWebHeader(header->name(), header->value()));
}
}
AsyncWebServerResponse::~AsyncWebServerResponse(){
_headers.free();
}
void AsyncWebServerResponse::setCode(int code){
if(_state == RESPONSE_SETUP)
_code = code;
}
void AsyncWebServerResponse::setContentLength(size_t len){
if(_state == RESPONSE_SETUP)
_contentLength = len;
}
void AsyncWebServerResponse::setContentType(const String& type){
if(_state == RESPONSE_SETUP)
_contentType = type;
}
void AsyncWebServerResponse::addHeader(const String& name, const String& value){
_headers.add(new AsyncWebHeader(name, value));
}
String AsyncWebServerResponse::_assembleHead(uint8_t version){
if(version){
addHeader("Accept-Ranges","none");
if(_chunked)
addHeader("Transfer-Encoding","chunked");
}
String out = String();
int bufSize = 300;
char buf[bufSize];
snprintf(buf, bufSize, "HTTP/1.%d %d %s\r\n", version, _code, _responseCodeToString(_code));
out.concat(buf);
if(_sendContentLength) {
snprintf(buf, bufSize, "Content-Length: %d\r\n", _contentLength);
out.concat(buf);
}
if(_contentType.length()) {
snprintf(buf, bufSize, "Content-Type: %s\r\n", _contentType.c_str());
out.concat(buf);
}
for(const auto& header: _headers){
snprintf(buf, bufSize, "%s: %s\r\n", header->name().c_str(), header->value().c_str());
out.concat(buf);
}
_headers.free();
out.concat("\r\n");
_headLength = out.length();
return out;
}
bool AsyncWebServerResponse::_started() const { return _state > RESPONSE_SETUP; }
bool AsyncWebServerResponse::_finished() const { return _state > RESPONSE_WAIT_ACK; }
bool AsyncWebServerResponse::_failed() const { return _state == RESPONSE_FAILED; }
bool AsyncWebServerResponse::_sourceValid() const { return false; }
void AsyncWebServerResponse::_respond(AsyncWebServerRequest *request){ _state = RESPONSE_END; request->client()->close(); }
size_t AsyncWebServerResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){ (void)request; (void)len; (void)time; return 0; }
/*
* String/Code Response
* */
AsyncBasicResponse::AsyncBasicResponse(int code, const String& contentType, const String& content){
_code = code;
_content = content;
_contentType = contentType;
if(_content.length()){
_contentLength = _content.length();
if(!_contentType.length())
_contentType = "text/plain";
}
addHeader("Connection","close");
}
void AsyncBasicResponse::_respond(AsyncWebServerRequest *request){
_state = RESPONSE_HEADERS;
String out = _assembleHead(request->version());
size_t outLen = out.length();
size_t space = request->client()->space();
if(!_contentLength && space >= outLen){
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if(_contentLength && space >= outLen + _contentLength){
out += _content;
outLen += _contentLength;
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_WAIT_ACK;
} else if(space && space < outLen){
String partial = out.substring(0, space);
_content = out.substring(space) + _content;
_contentLength += outLen - space;
_writtenLength += request->client()->write(partial.c_str(), partial.length());
_state = RESPONSE_CONTENT;
} else if(space > outLen && space < (outLen + _contentLength)){
size_t shift = space - outLen;
outLen += shift;
_sentLength += shift;
out += _content.substring(0, shift);
_content = _content.substring(shift);
_writtenLength += request->client()->write(out.c_str(), outLen);
_state = RESPONSE_CONTENT;
} else {
_content = out + _content;
_contentLength += outLen;
_state = RESPONSE_CONTENT;
}
}
size_t AsyncBasicResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
(void)time;
_ackedLength += len;
if(_state == RESPONSE_CONTENT){
size_t available = _contentLength - _sentLength;
size_t space = request->client()->space();
//we can fit in this packet
if(space > available){
_writtenLength += request->client()->write(_content.c_str(), available);
_content = String();
_state = RESPONSE_WAIT_ACK;
return available;
}
//send some data, the rest on ack
String out = _content.substring(0, space);
_content = _content.substring(space);
_sentLength += space;
_writtenLength += request->client()->write(out.c_str(), space);
return space;
} else if(_state == RESPONSE_WAIT_ACK){
if(_ackedLength >= _writtenLength){
_state = RESPONSE_END;
}
}
return 0;
}
/*
* Abstract Response
* */
AsyncAbstractResponse::AsyncAbstractResponse(AwsTemplateProcessor callback): _callback(callback)
{
// In case of template processing, we're unable to determine real response size
if(callback) {
_contentLength = 0;
_sendContentLength = false;
_chunked = true;
}
}
void AsyncAbstractResponse::_respond(AsyncWebServerRequest *request){
addHeader("Connection","close");
_head = _assembleHead(request->version());
_state = RESPONSE_HEADERS;
_ack(request, 0, 0);
}
size_t AsyncAbstractResponse::_ack(AsyncWebServerRequest *request, size_t len, uint32_t time){
(void)time;
if(!_sourceValid()){
_state = RESPONSE_FAILED;
request->client()->close();
return 0;
}
_ackedLength += len;
size_t space = request->client()->space();
size_t headLen = _head.length();
if(_state == RESPONSE_HEADERS){
if(space >= headLen){
_state = RESPONSE_CONTENT;
space -= headLen;
} else {
String out = _head.substring(0, space);
_head = _head.substring(space);
_writtenLength += request->client()->write(out.c_str(), out.length());
return out.length();
}
}
if(_state == RESPONSE_CONTENT){
size_t outLen;
if(_chunked){
if(space <= 8){
return 0;
}
outLen = space;
} else if(!_sendContentLength){
outLen = space;
} else {
outLen = ((_contentLength - _sentLength) > space)?space:(_contentLength - _sentLength);
}
uint8_t *buf = (uint8_t *)malloc(outLen+headLen);
if (!buf) {
// os_printf("_ack malloc %d failed\n", outLen+headLen);
return 0;
}
if(headLen){
memcpy(buf, _head.c_str(), _head.length());
}
size_t readLen = 0;
if(_chunked){
// HTTP 1.1 allows leading zeros in chunk length. Or spaces may be added.
// See RFC2616 sections 2, 3.6.1.
readLen = _fillBufferAndProcessTemplates(buf+headLen+6, outLen - 8);
if(readLen == RESPONSE_TRY_AGAIN){
free(buf);
return 0;
}
outLen = sprintf((char*)buf+headLen, "%x", readLen) + headLen;
while(outLen < headLen + 4) buf[outLen++] = ' ';
buf[outLen++] = '\r';
buf[outLen++] = '\n';
outLen += readLen;
buf[outLen++] = '\r';
buf[outLen++] = '\n';
} else {
readLen = _fillBufferAndProcessTemplates(buf+headLen, outLen);
if(readLen == RESPONSE_TRY_AGAIN){
free(buf);
return 0;
}
outLen = readLen + headLen;
}
if(headLen){
_head = String();
}
if(outLen){
_writtenLength += request->client()->write((const char*)buf, outLen);
}
if(_chunked){
_sentLength += readLen;
} else {
_sentLength += outLen - headLen;
}
free(buf);
if((_chunked && readLen == 0) || (!_sendContentLength && outLen == 0) || (!_chunked && _sentLength == _contentLength)){
_state = RESPONSE_WAIT_ACK;
}
return outLen;
} else if(_state == RESPONSE_WAIT_ACK){
if(!_sendContentLength || _ackedLength >= _writtenLength){
_state = RESPONSE_END;
if(!_chunked && !_sendContentLength)
request->client()->close(true);
}
}
return 0;
}
size_t AsyncAbstractResponse::_readDataFromCacheOrContent(uint8_t* data, const size_t len)
{
// If we have something in cache, copy it to buffer
const size_t readFromCache = std::min(len, _cache.size());
if(readFromCache) {
memcpy(data, _cache.data(), readFromCache);
_cache.erase(_cache.begin(), _cache.begin() + readFromCache);
}
// If we need to read more...
const size_t needFromFile = len - readFromCache;
const size_t readFromContent = _fillBuffer(data + readFromCache, needFromFile);
return readFromCache + readFromContent;
}
size_t AsyncAbstractResponse::_fillBufferAndProcessTemplates(uint8_t* data, size_t len)
{
if(!_callback)
return _fillBuffer(data, len);
const size_t originalLen = len;
len = _readDataFromCacheOrContent(data, len);
// Now we've read 'len' bytes, either from cache or from file
// Search for template placeholders
uint8_t* pTemplateStart = data;
while((pTemplateStart < &data[len]) && (pTemplateStart = (uint8_t*)memchr(pTemplateStart, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart + 1))) { // data[0] ... data[len - 1]
uint8_t* pTemplateEnd = (pTemplateStart < &data[len - 1]) ? (uint8_t*)memchr(pTemplateStart + 1, TEMPLATE_PLACEHOLDER, &data[len - 1] - pTemplateStart) : nullptr;
// temporary buffer to hold parameter name
uint8_t buf[TEMPLATE_PARAM_NAME_LENGTH + 1];
String paramName;
// If closing placeholder is found:
if(pTemplateEnd) {
// prepare argument to callback
const size_t paramNameLength = std::min(sizeof(buf) - 1, (unsigned int)(pTemplateEnd - pTemplateStart - 1));
if(paramNameLength) {
memcpy(buf, pTemplateStart + 1, paramNameLength);
buf[paramNameLength] = 0;
paramName = String(reinterpret_cast<char*>(buf));
} else { // double percent sign encountered, this is single percent sign escaped.
// remove the 2nd percent sign
memmove(pTemplateEnd, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
len += _readDataFromCacheOrContent(&data[len - 1], 1) - 1;
++pTemplateStart;
}
} else if(&data[len - 1] - pTemplateStart + 1 < TEMPLATE_PARAM_NAME_LENGTH + 2) { // closing placeholder not found, check if it's in the remaining file data
memcpy(buf, pTemplateStart + 1, &data[len - 1] - pTemplateStart);
const size_t readFromCacheOrContent = _readDataFromCacheOrContent(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PARAM_NAME_LENGTH + 2 - (&data[len - 1] - pTemplateStart + 1));
if(readFromCacheOrContent) {
pTemplateEnd = (uint8_t*)memchr(buf + (&data[len - 1] - pTemplateStart), TEMPLATE_PLACEHOLDER, readFromCacheOrContent);
if(pTemplateEnd) {
// prepare argument to callback
*pTemplateEnd = 0;
paramName = String(reinterpret_cast<char*>(buf));
// Copy remaining read-ahead data into cache
_cache.insert(_cache.begin(), pTemplateEnd + 1, buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
pTemplateEnd = &data[len - 1];
}
else // closing placeholder not found in file data, store found percent symbol as is and advance to the next position
{
// but first, store read file data in cache
_cache.insert(_cache.begin(), buf + (&data[len - 1] - pTemplateStart), buf + (&data[len - 1] - pTemplateStart) + readFromCacheOrContent);
++pTemplateStart;
}
}
else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
++pTemplateStart;
}
else // closing placeholder not found in content data, store found percent symbol as is and advance to the next position
++pTemplateStart;
if(paramName.length()) {
// call callback and replace with result.
// Everything in range [pTemplateStart, pTemplateEnd] can be safely replaced with parameter value.
// Data after pTemplateEnd may need to be moved.
// The first byte of data after placeholder is located at pTemplateEnd + 1.
// It should be located at pTemplateStart + numBytesCopied (to begin right after inserted parameter value).
const String paramValue(_callback(paramName));
const char* pvstr = paramValue.c_str();
const unsigned int pvlen = paramValue.length();
const size_t numBytesCopied = std::min(pvlen, static_cast<unsigned int>(&data[originalLen - 1] - pTemplateStart + 1));
// make room for param value
// 1. move extra data to cache if parameter value is longer than placeholder AND if there is no room to store
if((pTemplateEnd + 1 < pTemplateStart + numBytesCopied) && (originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1) < len)) {
_cache.insert(_cache.begin(), &data[originalLen - (pTemplateStart + numBytesCopied - pTemplateEnd - 1)], &data[len]);
//2. parameter value is longer than placeholder text, push the data after placeholder which not saved into cache further to the end
memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[originalLen] - pTemplateStart - numBytesCopied);
len = originalLen; // fix issue with truncated data, not sure if it has any side effects
} else if(pTemplateEnd + 1 != pTemplateStart + numBytesCopied)
//2. Either parameter value is shorter than placeholder text OR there is enough free space in buffer to fit.
// Move the entire data after the placeholder
memmove(pTemplateStart + numBytesCopied, pTemplateEnd + 1, &data[len] - pTemplateEnd - 1);
// 3. replace placeholder with actual value
memcpy(pTemplateStart, pvstr, numBytesCopied);
// If result is longer than buffer, copy the remainder into cache (this could happen only if placeholder text itself did not fit entirely in buffer)
if(numBytesCopied < pvlen) {
_cache.insert(_cache.begin(), pvstr + numBytesCopied, pvstr + pvlen);
} else if(pTemplateStart + numBytesCopied < pTemplateEnd + 1) { // result is copied fully; if result is shorter than placeholder text...
// there is some free room, fill it from cache
const size_t roomFreed = pTemplateEnd + 1 - pTemplateStart - numBytesCopied;
const size_t totalFreeRoom = originalLen - len + roomFreed;
len += _readDataFromCacheOrContent(&data[len - roomFreed], totalFreeRoom) - roomFreed;
} else { // result is copied fully; it is longer than placeholder text
const size_t roomTaken = pTemplateStart + numBytesCopied - pTemplateEnd - 1;
len = std::min(len + roomTaken, originalLen);
}
}
} // while(pTemplateStart)
return len;
}
/*
* File Response
* */
AsyncFileResponse::~AsyncFileResponse(){
if(_content)
_content.close();
}
void AsyncFileResponse::_setContentType(const String& path){
if (path.endsWith(".html")) _contentType = "text/html";
else if (path.endsWith(".htm")) _contentType = "text/html";
else if (path.endsWith(".css")) _contentType = "text/css";
else if (path.endsWith(".json")) _contentType = "application/json";
else if (path.endsWith(".js")) _contentType = "application/javascript";
else if (path.endsWith(".png")) _contentType = "image/png";
else if (path.endsWith(".gif")) _contentType = "image/gif";
else if (path.endsWith(".jpg")) _contentType = "image/jpeg";
else if (path.endsWith(".ico")) _contentType = "image/x-icon";
else if (path.endsWith(".svg")) _contentType = "image/svg+xml";
else if (path.endsWith(".eot")) _contentType = "font/eot";
else if (path.endsWith(".woff")) _contentType = "font/woff";
else if (path.endsWith(".woff2")) _contentType = "font/woff2";
else if (path.endsWith(".ttf")) _contentType = "font/ttf";
else if (path.endsWith(".xml")) _contentType = "text/xml";
else if (path.endsWith(".pdf")) _contentType = "application/pdf";
else if (path.endsWith(".zip")) _contentType = "application/zip";
else if(path.endsWith(".gz")) _contentType = "application/x-gzip";
else _contentType = "text/plain";
}
AsyncFileResponse::AsyncFileResponse(FS &fs, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){
_code = 200;
_path = path;
if(!download && !fs.exists(_path) && fs.exists(_path+".gz")){
_path = _path+".gz";
addHeader("Content-Encoding", "gzip");
_callback = nullptr; // Unable to process zipped templates
_sendContentLength = true;
_chunked = false;
}
_content = fs.open(_path, "r");
_contentLength = _content.size();
if(contentType == "")
_setContentType(path);
else
_contentType = contentType;
int filenameStart = path.lastIndexOf('/') + 1;
char buf[26+path.length()-filenameStart];
char* filename = (char*)path.c_str() + filenameStart;
if(download) {
// set filename and force download
snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename);
} else {
// set filename and force rendering
snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename);
}
addHeader("Content-Disposition", buf);
}
AsyncFileResponse::AsyncFileResponse(File content, const String& path, const String& contentType, bool download, AwsTemplateProcessor callback): AsyncAbstractResponse(callback){
_code = 200;
_path = path;
if(!download && String(content.name()).endsWith(".gz") && !path.endsWith(".gz")){
addHeader("Content-Encoding", "gzip");
_callback = nullptr; // Unable to process gzipped templates
_sendContentLength = true;
_chunked = false;
}
_content = content;
_contentLength = _content.size();
if(contentType == "")
_setContentType(path);
else
_contentType = contentType;
int filenameStart = path.lastIndexOf('/') + 1;
char buf[26+path.length()-filenameStart];
char* filename = (char*)path.c_str() + filenameStart;
if(download) {
snprintf(buf, sizeof (buf), "attachment; filename=\"%s\"", filename);
} else {
snprintf(buf, sizeof (buf), "inline; filename=\"%s\"", filename);
}
addHeader("Content-Disposition", buf);
}
size_t AsyncFileResponse::_fillBuffer(uint8_t *data, size_t len){
return _content.read(data, len);
}
/*
* Stream Response
* */
AsyncStreamResponse::AsyncStreamResponse(Stream &stream, const String& contentType, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) {
_code = 200;
_content = &stream;
_contentLength = len;
_contentType = contentType;
}
size_t AsyncStreamResponse::_fillBuffer(uint8_t *data, size_t len){
size_t available = _content->available();
size_t outLen = (available > len)?len:available;
size_t i;
for(i=0;i<outLen;i++)
data[i] = _content->read();
return outLen;
}
/*
* Callback Response
* */
AsyncCallbackResponse::AsyncCallbackResponse(const String& contentType, size_t len, AwsResponseFiller callback, AwsTemplateProcessor templateCallback): AsyncAbstractResponse(templateCallback) {
_code = 200;
_content = callback;
_contentLength = len;
if(!len)
_sendContentLength = false;
_contentType = contentType;
_filledLength = 0;
}
size_t AsyncCallbackResponse::_fillBuffer(uint8_t *data, size_t len){
size_t ret = _content(data, len, _filledLength);
if(ret != RESPONSE_TRY_AGAIN){
_filledLength += ret;
}
return ret;
}
/*
* Chunked Response
* */
AsyncChunkedResponse::AsyncChunkedResponse(const String& contentType, AwsResponseFiller callback, AwsTemplateProcessor processorCallback): AsyncAbstractResponse(processorCallback) {
_code = 200;
_content = callback;
_contentLength = 0;
_contentType = contentType;
_sendContentLength = false;
_chunked = true;
_filledLength = 0;
}
size_t AsyncChunkedResponse::_fillBuffer(uint8_t *data, size_t len){
size_t ret = _content(data, len, _filledLength);
if(ret != RESPONSE_TRY_AGAIN){
_filledLength += ret;
}
return ret;
}
/*
* Progmem Response
* */
AsyncProgmemResponse::AsyncProgmemResponse(int code, const String& contentType, const uint8_t * content, size_t len, AwsTemplateProcessor callback): AsyncAbstractResponse(callback) {
_code = code;
_content = content;
_contentType = contentType;
_contentLength = len;
_readLength = 0;
}
size_t AsyncProgmemResponse::_fillBuffer(uint8_t *data, size_t len){
size_t left = _contentLength - _readLength;
if (left > len) {
memcpy_P(data, _content + _readLength, len);
_readLength += len;
return len;
}
memcpy_P(data, _content + _readLength, left);
_readLength += left;
return left;
}
/*
* Response Stream (You can print/write/printf to it, up to the contentLen bytes)
* */
AsyncResponseStream::AsyncResponseStream(const String& contentType, size_t bufferSize){
_code = 200;
_contentLength = 0;
_contentType = contentType;
_content = new cbuf(bufferSize);
}
AsyncResponseStream::~AsyncResponseStream(){
delete _content;
}
size_t AsyncResponseStream::_fillBuffer(uint8_t *buf, size_t maxLen){
return _content->read((char*)buf, maxLen);
}
size_t AsyncResponseStream::write(const uint8_t *data, size_t len){
if(_started())
return 0;
if(len > _content->room()){
size_t needed = len - _content->room();
_content->resizeAdd(needed);
}
size_t written = _content->write((const char*)data, len);
_contentLength += written;
return written;
}
size_t AsyncResponseStream::write(uint8_t data){
return write(&data, 1);
}

193
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/WebServer.cpp
View file

@ -1,193 +0,0 @@
/*
Asynchronous WebServer library for Espressif MCUs
Copyright (c) 2016 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ESPAsyncWebServer.h"
#include "WebHandlerImpl.h"
bool ON_STA_FILTER(AsyncWebServerRequest *request) {
return WiFi.localIP() == request->client()->localIP();
}
bool ON_AP_FILTER(AsyncWebServerRequest *request) {
return WiFi.localIP() != request->client()->localIP();
}
AsyncWebServer::AsyncWebServer(uint16_t port)
: _server(port)
, _rewrites(LinkedList<AsyncWebRewrite*>([](AsyncWebRewrite* r){ delete r; }))
, _handlers(LinkedList<AsyncWebHandler*>([](AsyncWebHandler* h){ delete h; }))
{
_catchAllHandler = new AsyncCallbackWebHandler();
if(_catchAllHandler == NULL)
return;
_server.onClient([](void *s, AsyncClient* c){
if(c == NULL)
return;
c->setRxTimeout(3);
AsyncWebServerRequest *r = new AsyncWebServerRequest((AsyncWebServer*)s, c);
if(r == NULL){
c->close(true);
c->free();
delete c;
}
}, this);
}
AsyncWebServer::~AsyncWebServer(){
reset();
end();
if(_catchAllHandler) delete _catchAllHandler;
}
AsyncWebRewrite& AsyncWebServer::addRewrite(AsyncWebRewrite* rewrite){
_rewrites.add(rewrite);
return *rewrite;
}
bool AsyncWebServer::removeRewrite(AsyncWebRewrite *rewrite){
return _rewrites.remove(rewrite);
}
AsyncWebRewrite& AsyncWebServer::rewrite(const char* from, const char* to){
return addRewrite(new AsyncWebRewrite(from, to));
}
AsyncWebHandler& AsyncWebServer::addHandler(AsyncWebHandler* handler){
_handlers.add(handler);
return *handler;
}
bool AsyncWebServer::removeHandler(AsyncWebHandler *handler){
return _handlers.remove(handler);
}
void AsyncWebServer::begin(){
_server.setNoDelay(true);
_server.begin();
}
void AsyncWebServer::end(){
_server.end();
}
#if ASYNC_TCP_SSL_ENABLED
void AsyncWebServer::onSslFileRequest(AcSSlFileHandler cb, void* arg){
_server.onSslFileRequest(cb, arg);
}
void AsyncWebServer::beginSecure(const char *cert, const char *key, const char *password){
_server.beginSecure(cert, key, password);
}
#endif
void AsyncWebServer::_handleDisconnect(AsyncWebServerRequest *request){
delete request;
}
void AsyncWebServer::_rewriteRequest(AsyncWebServerRequest *request){
for(const auto& r: _rewrites){
if (r->match(request)){
request->_url = r->toUrl();
request->_addGetParams(r->params());
}
}
}
void AsyncWebServer::_attachHandler(AsyncWebServerRequest *request){
for(const auto& h: _handlers){
if (h->filter(request) && h->canHandle(request)){
request->setHandler(h);
return;
}
}
request->addInterestingHeader("ANY");
request->setHandler(_catchAllHandler);
}
AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload, ArBodyHandlerFunction onBody){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
handler->onUpload(onUpload);
handler->onBody(onBody);
addHandler(handler);
return *handler;
}
AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest, ArUploadHandlerFunction onUpload){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
handler->onUpload(onUpload);
addHandler(handler);
return *handler;
}
AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, WebRequestMethodComposite method, ArRequestHandlerFunction onRequest){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->setMethod(method);
handler->onRequest(onRequest);
addHandler(handler);
return *handler;
}
AsyncCallbackWebHandler& AsyncWebServer::on(const char* uri, ArRequestHandlerFunction onRequest){
AsyncCallbackWebHandler* handler = new AsyncCallbackWebHandler();
handler->setUri(uri);
handler->onRequest(onRequest);
addHandler(handler);
return *handler;
}
AsyncStaticWebHandler& AsyncWebServer::serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_control){
AsyncStaticWebHandler* handler = new AsyncStaticWebHandler(uri, fs, path, cache_control);
addHandler(handler);
return *handler;
}
void AsyncWebServer::onNotFound(ArRequestHandlerFunction fn){
_catchAllHandler->onRequest(fn);
}
void AsyncWebServer::onFileUpload(ArUploadHandlerFunction fn){
_catchAllHandler->onUpload(fn);
}
void AsyncWebServer::onRequestBody(ArBodyHandlerFunction fn){
_catchAllHandler->onBody(fn);
}
void AsyncWebServer::reset(){
_rewrites.free();
_handlers.free();
if (_catchAllHandler != NULL){
_catchAllHandler->onRequest(NULL);
_catchAllHandler->onUpload(NULL);
_catchAllHandler->onBody(NULL);
}
}

627
Software/src/lib/me-no-dev-ESPAsyncWebServer/src/edit.htm
View file

@ -1,627 +0,0 @@
<!--This is the plain html source of the hex encoded Editor-Page embedded in SPIFFSEditor.cpp -->
<!DOCTYPE html>
<html lang="en">
<head>
<title>ESP Editor</title>
<style type="text/css" media="screen">
.cm {
z-index: 300;
position: absolute;
left: 5px;
border: 1px solid #444;
background-color: #F5F5F5;
display: none;
box-shadow: 0 0 10px rgba( 0, 0, 0, .4 );
font-size: 12px;
font-family: sans-serif;
font-weight:bold;
}
.cm ul {
list-style: none;
top: 0;
left: 0;
margin: 0;
padding: 0;
}
.cm li {
position: relative;
min-width: 60px;
cursor: pointer;
}
.cm span {
color: #444;
display: inline-block;
padding: 6px;
}
.cm li:hover { background: #444; }
.cm li:hover span { color: #EEE; }
.tvu ul, .tvu li {
padding: 0;
margin: 0;
list-style: none;
}
.tvu input {
position: absolute;
opacity: 0;
}
.tvu {
font: normal 12px Verdana, Arial, Sans-serif;
-moz-user-select: none;
-webkit-user-select: none;
user-select: none;
color: #444;
line-height: 16px;
}
.tvu span {
margin-bottom:5px;
padding: 0 0 0 18px;
cursor: pointer;
display: inline-block;
height: 16px;
vertical-align: middle;
background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAQAAAC1+jfqAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAADoSURBVBgZBcExblNBGAbA2ceegTRBuIKOgiihSZNTcC5LUHAihNJR0kGKCDcYJY6D3/77MdOinTvzAgCw8ysThIvn/VojIyMjIyPP+bS1sUQIV2s95pBDDvmbP/mdkft83tpYguZq5Jh/OeaYh+yzy8hTHvNlaxNNczm+la9OTlar1UdA/+C2A4trRCnD3jS8BB1obq2Gk6GU6QbQAS4BUaYSQAf4bhhKKTFdAzrAOwAxEUAH+KEM01SY3gM6wBsEAQB0gJ+maZoC3gI6iPYaAIBJsiRmHU0AALOeFC3aK2cWAACUXe7+AwO0lc9eTHYTAAAAAElFTkSuQmCC') no-repeat;
background-position: 0px 0px;
}
.tvu span:hover {
text-decoration: underline;
}
@media screen and (-webkit-min-device-pixel-ratio:0){
.tvu{
-webkit-animation: webkit-adjacent-element-selector-bugfix infinite 1s;
}
@-webkit-keyframes webkit-adjacent-element-selector-bugfix {
from {
padding: 0;
}
to {
padding: 0;
}
}
}
#uploader {
position: absolute;
top: 0;
right: 0;
left: 0;
height:28px;
line-height: 24px;
padding-left: 10px;
background-color: #444;
color:#EEE;
}
#tree {
position: absolute;
top: 28px;
bottom: 0;
left: 0;
width:160px;
padding: 8px;
}
#editor, #preview {
position: absolute;
top: 28px;
right: 0;
bottom: 0;
left: 160px;
border-left:1px solid #EEE;
}
#preview {
background-color: #EEE;
padding:5px;
}
#loader {
position: absolute;
top: 36%;
right: 40%;
}
.loader {
z-index: 10000;
border: 8px solid #b5b5b5; /* Grey */
border-top: 8px solid #3498db; /* Blue */
border-bottom: 8px solid #3498db; /* Blue */
border-radius: 50%;
width: 240px;
height: 240px;
animation: spin 2s linear infinite;
display:none;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
<script>
if (typeof XMLHttpRequest === "undefined") {
XMLHttpRequest = function () {
try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); } catch (e) {}
try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); } catch (e) {}
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
throw new Error("This browser does not support XMLHttpRequest.");
};
}
function ge(a){
return document.getElementById(a);
}
function ce(a){
return document.createElement(a);
}
function sortByKey(array, key) {
return array.sort(function(a, b) {
var x = a[key]; var y = b[key];
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
});
}
var QueuedRequester = function () {
this.queue = [];
this.running = false;
this.xmlhttp = null;
}
QueuedRequester.prototype = {
_request: function(req){
this.running = true;
if(!req instanceof Object) return;
var that = this;
function ajaxCb(x,d){ return function(){
if (x.readyState == 4){
ge("loader").style.display = "none";
d.callback(x.status, x.responseText);
if(that.queue.length === 0) that.running = false;
if(that.running) that._request(that.queue.shift());
}
}}
ge("loader").style.display = "block";
var p = "";
if(req.params instanceof FormData){
p = req.params;
} else if(req.params instanceof Object){
for (var key in req.params) {
if(p === "")
p += (req.method === "GET")?"?":"";
else
p += "&";
p += encodeURIComponent(key)+"="+encodeURIComponent(req.params[key]);
};
}
this.xmlhttp = new XMLHttpRequest();
this.xmlhttp.onreadystatechange = ajaxCb(this.xmlhttp, req);
if(req.method === "GET"){
this.xmlhttp.open(req.method, req.url+p, true);
this.xmlhttp.send();
} else {
this.xmlhttp.open(req.method, req.url, true);
if(p instanceof String)
this.xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
this.xmlhttp.send(p);
}
},
stop: function(){
if(this.running) this.running = false;
if(this.xmlhttp && this.xmlhttp.readyState < 4){
this.xmlhttp.abort();
}
},
add: function(method, url, params, callback){
this.queue.push({url:url,method:method,params:params,callback:callback});
if(!this.running){
this._request(this.queue.shift());
}
}
}
var requests = new QueuedRequester();
function createFileUploader(element, tree, editor){
var xmlHttp;
var refresh = ce("button");
refresh.innerHTML = 'Refresh List';
ge(element).appendChild(refresh);
var input = ce("input");
input.type = "file";
input.multiple = false;
input.name = "data";
input.id="upload-select";
ge(element).appendChild(input);
var path = ce("input");
path.id = "upload-path";
path.type = "text";
path.name = "path";
path.defaultValue = "/";
ge(element).appendChild(path);
var button = ce("button");
button.innerHTML = 'Upload';
ge(element).appendChild(button);
var mkfile = ce("button");
mkfile.innerHTML = 'Create';
ge(element).appendChild(mkfile);
var filename = ce("input");
filename.id = "editor-filename";
filename.type = "text";
filename.disabled= true;
filename.size = 20;
ge(element).appendChild(filename);
var savefile = ce("button");
savefile.innerHTML = ' Save ' ;
ge(element).appendChild(savefile);
function httpPostProcessRequest(status, responseText){
if(status != 200)
alert("ERROR["+status+"]: "+responseText);
else
tree.refreshPath(path.value);
}
function createPath(p){
var formData = new FormData();
formData.append("path", p);
requests.add("PUT", "/edit", formData, httpPostProcessRequest);
}
mkfile.onclick = function(e){
createPath(path.value);
editor.loadUrl(path.value);
path.value="/";
};
savefile.onclick = function(e){
editor.execCommand('saveCommand');
};
refresh.onclick = function(e){
tree.refreshPath(path.value);
};
button.onclick = function(e){
if(input.files.length === 0){
return;
}
var formData = new FormData();
formData.append("data", input.files[0], path.value);
requests.add("POST", "/edit", formData, httpPostProcessRequest);
var uploadPath= ge("upload-path");
uploadPath.value="/";
var uploadSelect= ge("upload-select");
uploadSelect.value="";
};
input.onchange = function(e){
if(input.files.length === 0) return;
var filename = input.files[0].name;
var ext = /(?:\.([^.]+))?$/.exec(filename)[1];
var name = /(.*)\.[^.]+$/.exec(filename)[1];
if(typeof name !== undefined){
filename = name;
}
path.value = "/"+filename+"."+ext;
};
}
function createTree(element, editor){
var preview = ge("preview");
var treeRoot = ce("div");
treeRoot.className = "tvu";
ge(element).appendChild(treeRoot);
function loadDownload(path){
ge('download-frame').src = "/edit?download="+path;
}
function loadPreview(path){
var edfname = ge("editor-filename");
edfname.value=path;
ge("editor").style.display = "none";
preview.style.display = "block";
preview.innerHTML = '<img src="/edit?edit='+path+'&_cb='+Date.now()+'" style="max-width:100%; max-height:100%; margin:auto; display:block;" />';
}
function fillFileMenu(el, path){
var list = ce("ul");
el.appendChild(list);
var action = ce("li");
list.appendChild(action);
if(isImageFile(path)){
action.innerHTML = "<span>Preview</span>";
action.onclick = function(e){
loadPreview(path);
if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
};
} else if(isTextFile(path)){
action.innerHTML = "<span>Edit</span>";
action.onclick = function(e){
editor.loadUrl(path);
if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
};
}
var download = ce("li");
list.appendChild(download);
download.innerHTML = "<span>Download</span>";
download.onclick = function(e){
loadDownload(path);
if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
};
var delFile = ce("li");
list.appendChild(delFile);
delFile.innerHTML = "<span>Delete</span>";
delFile.onclick = function(e){
httpDelete(path);
if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(el);
};
}
function showContextMenu(event, path, isfile){
var divContext = ce("div");
var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
var scrollLeft = document.body.scrollLeft ? document.body.scrollLeft : document.documentElement.scrollLeft;
var left = event.clientX + scrollLeft;
var top = event.clientY + scrollTop;
divContext.className = 'cm';
divContext.style.display = 'block';
divContext.style.left = left + 'px';
divContext.style.top = top + 'px';
fillFileMenu(divContext, path);
document.body.appendChild(divContext);
var width = divContext.offsetWidth;
var height = divContext.offsetHeight;
divContext.onmouseout = function(e){
if(e.clientX < left || e.clientX > (left + width) || e.clientY < top || e.clientY > (top + height)){
if(document.body.getElementsByClassName('cm').length > 0) document.body.removeChild(divContext);
}
};
}
function createTreeLeaf(path, name, size){
var leaf = ce("li");
leaf.id = name;
var label = ce("span");
label.innerHTML = name;
leaf.appendChild(label);
leaf.onclick = function(e){
if(isTextFile(leaf.id.toLowerCase())){
editor.loadUrl(leaf.id);
} else if(isImageFile(leaf.id.toLowerCase())){
loadPreview(leaf.id);
}
};
leaf.oncontextmenu = function(e){
e.preventDefault();
e.stopPropagation();
showContextMenu(e, leaf.id, true);
};
return leaf;
}
function addList(parent, path, items){
sortByKey(items, 'name');
var list = ce("ul");
parent.appendChild(list);
var ll = items.length;
for(var i = 0; i < ll; i++){
if(items[i].type === "file")
list.appendChild(createTreeLeaf(path, items[i].name, items[i].size));
}
}
function isTextFile(path){
var ext = /(?:\.([^.]+))?$/.exec(path)[1];
if(typeof ext !== undefined){
switch(ext){
case "txt":
case "htm":
case "html":
case "js":
case "css":
case "xml":
case "json":
case "conf":
case "ini":
case "h":
case "c":
case "cpp":
case "php":
case "hex":
case "ino":
case "pde":
return true;
}
}
return false;
}
function isImageFile(path){
var ext = /(?:\.([^.]+))?$/.exec(path)[1];
if(typeof ext !== undefined){
switch(ext){
case "png":
case "jpg":
case "gif":
case "bmp":
return true;
}
}
return false;
}
this.refreshPath = function(path){
treeRoot.removeChild(treeRoot.childNodes[0]);
httpGet(treeRoot, "/");
};
function delCb(path){
return function(status, responseText){
if(status != 200){
alert("ERROR["+status+"]: "+responseText);
} else {
treeRoot.removeChild(treeRoot.childNodes[0]);
httpGet(treeRoot, "/");
}
}
}
function httpDelete(filename){
var formData = new FormData();
formData.append("path", filename);
requests.add("DELETE", "/edit", formData, delCb(filename));
}
function getCb(parent, path){
return function(status, responseText){
if(status == 200)
addList(parent, path, JSON.parse(responseText));
}
}
function httpGet(parent, path){
requests.add("GET", "/edit", { list: path }, getCb(parent, path));
}
httpGet(treeRoot, "/");
return this;
}
function createEditor(element, file, lang, theme, type){
function getLangFromFilename(filename){
var lang = "plain";
var ext = /(?:\.([^.]+))?$/.exec(filename)[1];
if(typeof ext !== undefined){
switch(ext){
case "txt": lang = "plain"; break;
case "hex": lang = "plain"; break;
case "conf": lang = "plain"; break;
case "htm": lang = "html"; break;
case "js": lang = "javascript"; break;
case "h": lang = "c_cpp"; break;
case "c": lang = "c_cpp"; break;
case "cpp": lang = "c_cpp"; break;
case "css":
case "scss":
case "php":
case "html":
case "json":
case "xml":
case "ini": lang = ext;
}
}
return lang;
}
if(typeof file === "undefined") file = "/index.html";
if(typeof lang === "undefined"){
lang = getLangFromFilename(file);
}
if(typeof theme === "undefined") theme = "textmate";
if(typeof type === "undefined"){
type = "text/"+lang;
if(lang === "c_cpp") type = "text/plain";
}
var editor = ace.edit(element);
function httpPostProcessRequest(status, responseText){
if(status != 200) alert("ERROR["+status+"]: "+responseText);
}
function httpPost(filename, data, type){
var formData = new FormData();
formData.append("data", new Blob([data], { type: type }), filename);
requests.add("POST", "/edit", formData, httpPostProcessRequest);
}
function httpGetProcessRequest(status, responseText){
ge("preview").style.display = "none";
ge("editor").style.display = "block";
if(status == 200)
editor.setValue(responseText);
else
editor.setValue("");
editor.clearSelection();
}
function httpGet(theUrl){
requests.add("GET", "/edit", { edit: theUrl }, httpGetProcessRequest);
}
if(lang !== "plain") editor.getSession().setMode("ace/mode/"+lang);
editor.setTheme("ace/theme/"+theme);
editor.$blockScrolling = Infinity;
editor.getSession().setUseSoftTabs(true);
editor.getSession().setTabSize(2);
editor.setHighlightActiveLine(true);
editor.setShowPrintMargin(false);
editor.commands.addCommand({
name: 'saveCommand',
bindKey: {win: 'Ctrl-S', mac: 'Command-S'},
exec: function(editor) {
httpPost(file, editor.getValue()+"", type);
},
readOnly: false
});
editor.commands.addCommand({
name: 'undoCommand',
bindKey: {win: 'Ctrl-Z', mac: 'Command-Z'},
exec: function(editor) {
editor.getSession().getUndoManager().undo(false);
},
readOnly: false
});
editor.commands.addCommand({
name: 'redoCommand',
bindKey: {win: 'Ctrl-Shift-Z', mac: 'Command-Shift-Z'},
exec: function(editor) {
editor.getSession().getUndoManager().redo(false);
},
readOnly: false
});
editor.loadUrl = function(filename){
var edfname = ge("editor-filename");
edfname.value=filename;
file = filename;
lang = getLangFromFilename(file);
type = "text/"+lang;
if(lang !== "plain") editor.getSession().setMode("ace/mode/"+lang);
httpGet(file);
};
return editor;
}
function onBodyLoad(){
var vars = {};
var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) { vars[key] = value; });
var editor = createEditor("editor", vars.file, vars.lang, vars.theme);
var tree = createTree("tree", editor);
createFileUploader("uploader", tree, editor);
if(typeof vars.file === "undefined") vars.file = "/index.htm";
editor.loadUrl(vars.file);
};
</script>
<script id='ace' src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ace.js" type="text/javascript" charset="utf-8"></script>
<script>
if (typeof ace.edit == "undefined") {
var script = document.createElement('script');
script.src = "/ace.js";
script.async = false;
document.head.appendChild(script);
}
</script>
</head>
<body onload="onBodyLoad();">
<div id="loader" class="loader"></div>
<div id="uploader"></div>
<div id="tree"></div>
<div id="editor"></div>
<div id="preview" style="display:none;"></div>
<iframe id=download-frame style='display:none;'></iframe>
</body>
</html>