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Real 'remember me' feature

Change song_preview to plugins
Fix 7digital preview (2 legged oauth authentication)
This commit is contained in:
Afterster 2014-08-31 22:40:50 +02:00
parent 1abd3f0002
commit 44d97d4b74
13 changed files with 1264 additions and 74 deletions

View file

@ -7,7 +7,7 @@
; if this config file is up to date
; this is compared against a value hard-coded
; into the init script
config_version = 18
config_version = 19
;###################
; Path Vars #
@ -59,6 +59,10 @@ database_username = username
; DEFAULT: ""
database_password = password
; Cryptographic secret
; This MUST BE changed with your own secret key
secret_key = "abcdefghijklmnoprqstuvwyz0123456"
; Length that a session will last expressed in seconds. Default is
; one hour.
; DEFAULT: 3600

View file

@ -33,4 +33,5 @@ should be implemented as a public method:
shortener(string $url)
get_photos(string $search)
gather_arts(string $type, array $options, int $limit)
get_song_preview($track_mbid, $artist_name, $title)
stream_song_preview($file)

View file

@ -57,12 +57,7 @@ class Session
return true;
}
// Check to see if remember me cookie is set, if so use remember
// length, otherwise use the session length
$expire = isset($_COOKIE[AmpConfig::get('session_name') . '_remember'])
? time() + AmpConfig::get('remember_length')
: time() + AmpConfig::get('session_length');
$expire = time() + AmpConfig::get('session_length');
$sql = 'UPDATE `session` SET `value` = ?, `expire` = ? WHERE `id` = ?';
Dba::write($sql, array($value, $expire, $key));
@ -87,7 +82,8 @@ class Session
debug_event('SESSION', 'Deleting Session with key:' . $key, 6);
// Destroy our cookie!
setcookie(AmpConfig::get('session_name'), '', time() - 86400);
setcookie(AmpConfig::get('session_name'), null, -1);
setcookie(AmpConfig::get('session_name') . '_remember', null, -1);
return true;
}
@ -102,6 +98,9 @@ class Session
$sql = 'DELETE FROM `session` WHERE `expire` < ?';
Dba::write($sql, array(time()));
$sql = 'DELETE FROM `session_remember` WHERE `expire` < ?';
Dba::write($sql, array(time()));
// Also clean up things that use sessions as keys
Query::gc();
Tmp_Playlist::gc();
@ -234,11 +233,6 @@ class Session
// No cookie no go!
if (!isset($_COOKIE[$session_name])) { return false; }
// Check for a remember me
if (isset($_COOKIE[$session_name . '_remember'])) {
self::create_remember_cookie();
}
// Set up the cookie params before we start the session.
// This is vital
session_set_cookie_params(
@ -307,13 +301,10 @@ class Session
*/
public static function extend($sid, $type = null)
{
$time = time();
$expire = isset($_COOKIE[AmpConfig::get('session_name') . '_remember'])
? $time + AmpConfig::get('remember_length')
: $time + AmpConfig::get('session_length');
if ($type == 'stream') {
$expire = $time + AmpConfig::get('stream_length');
$expire = time() + AmpConfig::get('stream_length');
} else {
$expire = time() + AmpConfig::get('session_length');
}
$sql = 'UPDATE `session` SET `expire` = ? WHERE `id`= ?';
@ -391,13 +382,56 @@ class Session
*
* This function just creates the remember me cookie, nothing special.
*/
public static function create_remember_cookie()
public static function create_remember_cookie($username)
{
$remember_length = AmpConfig::get('remember_length');
$session_name = AmpConfig::get('session_name');
AmpConfig::set('cookie_life', $remember_length, true);
setcookie($session_name . '_remember', "Rappelez-vous, rappelez-vous le 27 mars", time() + $remember_length, '/');
$token = self::generateRandomToken(); // generate a token, should be 128 - 256 bit
self::storeTokenForUser($username, $token, $remember_length);
$cookie = $username . ':' . $token;
$mac = hash_hmac('sha256', $cookie, AmpConfig::get('secret_key'));
$cookie .= ':' . $mac;
setcookie($session_name . '_remember', $cookie, time() + $remember_length);
}
/**
* Generate a random token.
* @return string
*/
public static function generateRandomToken()
{
return md5(uniqid(mt_rand(), true));
}
public static function storeTokenForUser($username, $token, $remember_length)
{
$sql = "INSERT INTO session_remember (`username`, `token`, `expire`) VALUES (?, ?, ?)";
return Dba::write($sql, array($username, $token, time() + $remember_length));
}
public static function auth_remember()
{
$auth = false;
$cname = AmpConfig::get('session_name') . '_remember';
if (isset($_COOKIE[$cname])) {
list ($username, $token, $mac) = explode(':', $_COOKIE[$cname]);
if ($mac === hash_hmac('sha256', $username . ':' . $token, AmpConfig::get('secret_key'))) {
$sql = "SELECT * FROM `session_remember` WHERE `username` = ? AND `token` = ? AND `expire` >= ?";
$db_results = Dba::read($sql, array($username, $token, time()));
if (Dba::num_rows($db_results) > 0) {
Session::create_cookie();
self::create(array(
'type' => 'mysql',
'username' => $username
));
$auth = true;
}
}
}
return $auth;
}
/**

View file

@ -63,7 +63,7 @@ class Song_Preview extends database_object implements media, playable_item
$this->$key = $value;
}
$data = pathinfo($this->file);
$this->type = strtolower($data['extension']);
$this->type = strtolower($data['extension']) ?: 'mp3';
$this->mime = Song::type_to_mime($this->type);
} else {
$this->id = null;
@ -242,7 +242,7 @@ class Song_Preview extends database_object implements media, playable_item
if (!$filter_type || $filter_type == 'song_preview') {
$medias[] = array(
'object_type' => 'song_preview',
'object_id' => $this>-id
'object_id' => $this->id
);
}
return $medias;
@ -273,12 +273,26 @@ class Song_Preview extends database_object implements media, playable_item
$song_name = rawurlencode($song->get_artist_name() . " - " . $song->title . "." . $type);
$url = Stream::get_base_url($local) . "type=song_preview&oid=$song->id&uid=$user_id&name=$song_name";
$url = Stream::get_base_url($local) . "type=song_preview&oid=" . $song->id . "&uid=" . $user_id . "&name=" . $song_name;
return Stream_URL::format($url . $additional_params);
} // play_url
public function stream()
{
$data = null;
foreach (Plugin::get_plugins('stream_song_preview') as $plugin_name) {
$plugin = new Plugin($plugin_name);
if ($plugin->load($GLOBALS['user'])) {
if ($plugin->_plugin->stream_song_preview($this->file))
break;
}
}
return $data;
}
public function get_stream_types()
{
return array('native');

View file

@ -443,6 +443,9 @@ class Update
$update_string = '- Modified release_date in video table to signed int.<br />';
$version[] = array('version' => '370014','description' => $update_string);
$update_string = '- Add session_remember table to store remember tokens.<br />';
$version[] = array('version' => '370015','description' => $update_string);
return $version;
}
@ -2923,7 +2926,7 @@ class Update
/**
* update 370014
*
* Modified release_date of table video to signed int(11).
* Modified release_date of table video to signed int(11)
*/
public static function update_370014()
{
@ -2932,4 +2935,21 @@ class Update
$retval = Dba::write($sql) ? $retval : false;
return $retval;
}
/**
* update 370015
*
* Add session_remember table to store remember tokens
*/
public static function update_370015()
{
$retval = true;
$sql = "CREATE TABLE `session_remember` (" .
"`username` varchar(16) NOT NULL," .
"`token` varchar(32) NOT NULL," .
"`expire` int(11) NULL," .
"PRIMARY KEY (`username`, `token`)) ENGINE = MYISAM";
$retval = Dba::write($sql) ? $retval : false;
return $retval;
}
}

View file

@ -31,30 +31,97 @@
class User extends database_object
{
//Basic Componets
/**
* @var int $id
*/
public $id;
/**
* @var string $username
*/
public $username;
/**
* @var string $fullname
*/
public $fullname;
/**
* @var int $access
*/
public $access;
/**
* @var boolean $disabled
*/
public $disabled;
/**
* @var string $email
*/
public $email;
/**
* @var int $last_seen
*/
public $last_seen;
/**
* @var int $create_date
*/
public $create_date;
/**
* @var string $validation
*/
public $validation;
/**
* @var string $website
*/
public $website;
/**
* @var string $apikey
*/
public $apikey;
// Constructed variables
/**
* @var array $prefs
*/
public $prefs = array();
/**
* @var Tmp_Playlist $playlist
*/
public $playlist;
/**
* @var string $f_last_seen
*/
public $f_last_seen;
/**
* @var string $f_create_date
*/
public $f_create_date;
/**
* @var string $link
*/
public $link;
/**
* @var string $f_link
*/
public $f_link;
/**
* @var string $f_useage
*/
public $f_useage;
/**
* @var string $ip_history
*/
public $ip_history;
/**
* @var string $f_avatar
*/
public $f_avatar;
/**
* @var string $f_avatar_mini
*/
public $f_avatar_mini;
/**
* @var string $f_avatar_medium
*/
public $f_avatar_medium;
/**

View file

@ -428,46 +428,28 @@ class Wanted extends database_object
$song['artist_mbid'] = $this->artist_mbid;
$song['session'] = session_id();
$song['album_mbid'] = $this->mbid;
if (AmpConfig::get('echonest_api_key')) {
$echonest = new EchoNest_Client(new EchoNest_HttpClient_Requests());
$echonest->authenticate(AmpConfig::get('echonest_api_key'));
$enSong = null;
try {
$enProfile = $echonest->getTrackApi()->profile('musicbrainz:track:' . $track->id);
$enSong = $echonest->getSongApi()->profile($enProfile['song_id'], array( 'id:7digital-US', 'audio_summary', 'tracks'));
} catch (Exception $e) {
debug_event('echonest', 'EchoNest track error on `' . $track->id . '` (' . $track->title . '): ' . $e->getMessage(), '1');
}
// Wans't able to get the song with MusicBrainz ID, try a search
if ($enSong == null) {
if ($this->artist) {
$artist = new Artist($this->artist);
$artist_name = $artist->name;
} else {
$wartist = Wanted::get_missing_artist($this->artist_mbid);
$artist_name = $wartist['name'];
}
try {
$enSong = $echonest->getSongApi()->search(array(
'results' => '1',
'artist' => $artist_name,
'title' => $track->title,
'bucket' => array( 'id:7digital-US', 'audio_summary', 'tracks'),
));
if ($this->artist) {
$artist = new Artist($this->artist);
$artist_name = $artist->name;
} else {
$wartist = Wanted::get_missing_artist($this->artist_mbid);
$artist_name = $wartist['name'];
}
} catch (Exception $e) {
debug_event('echonest', 'EchoNest song search error: ' . $e->getMessage(), '1');
}
}
if ($enSong != null) {
$song['file'] = $enSong[0]['tracks'][0]['preview_url'];
debug_event('echonest', 'EchoNest `' . $track->title . '` preview: ' . $song['file'], '1');
$song['file'] = null;
foreach (Plugin::get_plugins('get_song_preview') as $plugin_name) {
$plugin = new Plugin($plugin_name);
if ($plugin->load($GLOBALS['user'])) {
$song['file'] = $plugin->_plugin->get_song_preview($track->id, $artist_name, $track->title);
if ($song['file'] != null)
break;
}
}
$this->songs[] = new Song_Preview(Song_preview::insert($song));
if ($song != null) {
$this->songs[] = new Song_Preview(Song_preview::insert($song));
}
}
}
}

View file

@ -66,7 +66,7 @@ if (!empty($link)) {
$results['load_time_begin'] = $load_time_begin;
/** This is the version.... fluf nothing more... **/
$results['version'] = '3.7.1-develop';
$results['int_config_version'] = '18';
$results['int_config_version'] = '19';
if (!empty($results['force_ssl'])) {
$http_type = 'https://';
@ -153,8 +153,10 @@ set_memory_limit($results['memory_limit']);
if (!defined('NO_SESSION') && AmpConfig::get('use_auth')) {
/* Verify their session */
if (!Session::exists('interface', $_COOKIE[AmpConfig::get('session_name')])) {
Auth::logout($_COOKIE[AmpConfig::get('session_name')]);
exit;
if (!Session::auth_remember()) {
Auth::logout($_COOKIE[AmpConfig::get('session_name')]);
exit;
}
}
// This actually is starting the session

View file

@ -48,10 +48,6 @@ if (empty($_REQUEST['step'])) {
(in_array('http', AmpConfig::get('auth_methods')) &&
($_SERVER['REMOTE_USER'] || $_SERVER['HTTP_REMOTE_USER']))) {
if ($_POST['rememberme']) {
Session::create_remember_cookie();
}
/* If we are in demo mode let's force auth success */
if (AmpConfig::get('demo_mode')) {
$auth['success'] = true;
@ -156,6 +152,10 @@ if (isset($auth) && $auth['success'] && isset($user)) {
$user->insert_ip_history();
}
if ($_POST['rememberme']) {
Session::create_remember_cookie($username);
}
// Update data from this auth if ours are empty
if (empty($user->fullname) && !empty($auth['name'])) {
$user->update_fullname($auth['name']);

895
modules/oauth/OAuth.php Normal file
View file

@ -0,0 +1,895 @@
<?php
// vim: foldmethod=marker
/* Generic exception class
*/
class OAuthException extends Exception {
// pass
}
class OAuthConsumer {
public $key;
public $secret;
function __construct($key, $secret, $callback_url=NULL) {
$this->key = $key;
$this->secret = $secret;
$this->callback_url = $callback_url;
}
function __toString() {
return "OAuthConsumer[key=$this->key,secret=$this->secret]";
}
}
class OAuthToken {
// access tokens and request tokens
public $key;
public $secret;
/**
* key = the token
* secret = the token secret
*/
function __construct($key, $secret) {
$this->key = $key;
$this->secret = $secret;
}
/**
* generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*/
function to_string() {
return "oauth_token=" .
OAuthUtil::urlencode_rfc3986($this->key) .
"&oauth_token_secret=" .
OAuthUtil::urlencode_rfc3986($this->secret);
}
function __toString() {
return $this->to_string();
}
}
/**
* A class for implementing a Signature Method
* See section 9 ("Signing Requests") in the spec
*/
abstract class OAuthSignatureMethod {
/**
* Needs to return the name of the Signature Method (ie HMAC-SHA1)
* @return string
*/
abstract public function get_name();
/**
* Build up the signature
* NOTE: The output of this function MUST NOT be urlencoded.
* the encoding is handled in OAuthRequest when the final
* request is serialized
* @param OAuthRequest $request
* @param OAuthConsumer $consumer
* @param OAuthToken $token
* @return string
*/
abstract public function build_signature($request, $consumer, $token);
/**
* Verifies that a given signature is correct
* @param OAuthRequest $request
* @param OAuthConsumer $consumer
* @param OAuthToken $token
* @param string $signature
* @return bool
*/
public function check_signature($request, $consumer, $token, $signature) {
$built = $this->build_signature($request, $consumer, $token);
// Check for zero length, although unlikely here
if (strlen($built) == 0 || strlen($signature) == 0) {
return false;
}
if (strlen($built) != strlen($signature)) {
return false;
}
// Avoid a timing leak with a (hopefully) time insensitive compare
$result = 0;
for ($i = 0; $i < strlen($signature); $i++) {
$result |= ord($built{$i}) ^ ord($signature{$i});
}
return $result == 0;
}
}
/**
* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
* where the Signature Base String is the text and the key is the concatenated values (each first
* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
* character (ASCII code 38) even if empty.
* - Chapter 9.2 ("HMAC-SHA1")
*/
class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
function get_name() {
return "HMAC-SHA1";
}
public function build_signature($request, $consumer, $token) {
$base_string = $request->get_signature_base_string();
$request->base_string = $base_string;
$key_parts = array(
$consumer->secret,
($token) ? $token->secret : ""
);
$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
return base64_encode(hash_hmac('sha1', $base_string, $key, true));
}
}
/**
* The PLAINTEXT method does not provide any security protection and SHOULD only be used
* over a secure channel such as HTTPS. It does not use the Signature Base String.
* - Chapter 9.4 ("PLAINTEXT")
*/
class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {
public function get_name() {
return "PLAINTEXT";
}
/**
* oauth_signature is set to the concatenated encoded values of the Consumer Secret and
* Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
* empty. The result MUST be encoded again.
* - Chapter 9.4.1 ("Generating Signatures")
*
* Please note that the second encoding MUST NOT happen in the SignatureMethod, as
* OAuthRequest handles this!
*/
public function build_signature($request, $consumer, $token) {
$key_parts = array(
$consumer->secret,
($token) ? $token->secret : ""
);
$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
$request->base_string = $key;
return $key;
}
}
/**
* The RSA-SHA1 signature method uses the RSASSA-PKCS1-v1_5 signature algorithm as defined in
* [RFC3447] section 8.2 (more simply known as PKCS#1), using SHA-1 as the hash function for
* EMSA-PKCS1-v1_5. It is assumed that the Consumer has provided its RSA public key in a
* verified way to the Service Provider, in a manner which is beyond the scope of this
* specification.
* - Chapter 9.3 ("RSA-SHA1")
*/
abstract class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {
public function get_name() {
return "RSA-SHA1";
}
// Up to the SP to implement this lookup of keys. Possible ideas are:
// (1) do a lookup in a table of trusted certs keyed off of consumer
// (2) fetch via http using a url provided by the requester
// (3) some sort of specific discovery code based on request
//
// Either way should return a string representation of the certificate
protected abstract function fetch_public_cert(&$request);
// Up to the SP to implement this lookup of keys. Possible ideas are:
// (1) do a lookup in a table of trusted certs keyed off of consumer
//
// Either way should return a string representation of the certificate
protected abstract function fetch_private_cert(&$request);
public function build_signature($request, $consumer, $token) {
$base_string = $request->get_signature_base_string();
$request->base_string = $base_string;
// Fetch the private key cert based on the request
$cert = $this->fetch_private_cert($request);
// Pull the private key ID from the certificate
$privatekeyid = openssl_get_privatekey($cert);
// Sign using the key
$ok = openssl_sign($base_string, $signature, $privatekeyid);
// Release the key resource
openssl_free_key($privatekeyid);
return base64_encode($signature);
}
public function check_signature($request, $consumer, $token, $signature) {
$decoded_sig = base64_decode($signature);
$base_string = $request->get_signature_base_string();
// Fetch the public key cert based on the request
$cert = $this->fetch_public_cert($request);
// Pull the public key ID from the certificate
$publickeyid = openssl_get_publickey($cert);
// Check the computed signature against the one passed in the query
$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
// Release the key resource
openssl_free_key($publickeyid);
return $ok == 1;
}
}
class OAuthRequest {
protected $parameters;
protected $http_method;
protected $http_url;
// for debug purposes
public $base_string;
public static $version = '1.0';
public static $POST_INPUT = 'php://input';
function __construct($http_method, $http_url, $parameters=NULL) {
$parameters = ($parameters) ? $parameters : array();
$parameters = array_merge( OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
$this->parameters = $parameters;
$this->http_method = $http_method;
$this->http_url = $http_url;
}
/**
* attempt to build up a request from what was passed to the server
*/
public static function from_request($http_method=NULL, $http_url=NULL, $parameters=NULL) {
$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
? 'http'
: 'https';
$http_url = ($http_url) ? $http_url : $scheme .
'://' . $_SERVER['SERVER_NAME'] .
':' .
$_SERVER['SERVER_PORT'] .
$_SERVER['REQUEST_URI'];
$http_method = ($http_method) ? $http_method : $_SERVER['REQUEST_METHOD'];
// We weren't handed any parameters, so let's find the ones relevant to
// this request.
// If you run XML-RPC or similar you should use this to provide your own
// parsed parameter-list
if (!$parameters) {
// Find request headers
$request_headers = OAuthUtil::get_headers();
// Parse the query-string to find GET parameters
$parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
// It's a POST request of the proper content-type, so parse POST
// parameters and add those overriding any duplicates from GET
if ($http_method == "POST"
&& isset($request_headers['Content-Type'])
&& strstr($request_headers['Content-Type'],
'application/x-www-form-urlencoded')
) {
$post_data = OAuthUtil::parse_parameters(
file_get_contents(self::$POST_INPUT)
);
$parameters = array_merge($parameters, $post_data);
}
// We have a Authorization-header with OAuth data. Parse the header
// and add those overriding any duplicates from GET or POST
if (isset($request_headers['Authorization']) && substr($request_headers['Authorization'], 0, 6) == 'OAuth ') {
$header_parameters = OAuthUtil::split_header(
$request_headers['Authorization']
);
$parameters = array_merge($parameters, $header_parameters);
}
}
return new OAuthRequest($http_method, $http_url, $parameters);
}
/**
* pretty much a helper function to set up the request
*/
public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) {
$parameters = ($parameters) ? $parameters : array();
$defaults = array("oauth_version" => OAuthRequest::$version,
"oauth_nonce" => OAuthRequest::generate_nonce(),
"oauth_timestamp" => OAuthRequest::generate_timestamp(),
"oauth_consumer_key" => $consumer->key);
if ($token)
$defaults['oauth_token'] = $token->key;
$parameters = array_merge($defaults, $parameters);
return new OAuthRequest($http_method, $http_url, $parameters);
}
public function set_parameter($name, $value, $allow_duplicates = true) {
if ($allow_duplicates && isset($this->parameters[$name])) {
// We have already added parameter(s) with this name, so add to the list
if (is_scalar($this->parameters[$name])) {
// This is the first duplicate, so transform scalar (string)
// into an array so we can add the duplicates
$this->parameters[$name] = array($this->parameters[$name]);
}
$this->parameters[$name][] = $value;
} else {
$this->parameters[$name] = $value;
}
}
public function get_parameter($name) {
return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
}
public function get_parameters() {
return $this->parameters;
}
public function unset_parameter($name) {
unset($this->parameters[$name]);
}
/**
* The request parameters, sorted and concatenated into a normalized string.
* @return string
*/
public function get_signable_parameters() {
// Grab all parameters
$params = $this->parameters;
// Remove oauth_signature if present
// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
if (isset($params['oauth_signature'])) {
unset($params['oauth_signature']);
}
return OAuthUtil::build_http_query($params);
}
/**
* Returns the base string of this request
*
* The base string defined as the method, the url
* and the parameters (normalized), each urlencoded
* and the concated with &.
*/
public function get_signature_base_string() {
$parts = array(
$this->get_normalized_http_method(),
$this->get_normalized_http_url(),
$this->get_signable_parameters()
);
$parts = OAuthUtil::urlencode_rfc3986($parts);
return implode('&', $parts);
}
/**
* just uppercases the http method
*/
public function get_normalized_http_method() {
return strtoupper($this->http_method);
}
/**
* parses the url and rebuilds it to be
* scheme://host/path
*/
public function get_normalized_http_url() {
$parts = parse_url($this->http_url);
$scheme = (isset($parts['scheme'])) ? $parts['scheme'] : 'http';
$port = (isset($parts['port'])) ? $parts['port'] : (($scheme == 'https') ? '443' : '80');
$host = (isset($parts['host'])) ? strtolower($parts['host']) : '';
$path = (isset($parts['path'])) ? $parts['path'] : '';
if (($scheme == 'https' && $port != '443')
|| ($scheme == 'http' && $port != '80')) {
$host = "$host:$port";
}
return "$scheme://$host$path";
}
/**
* builds a url usable for a GET request
*/
public function to_url() {
$post_data = $this->to_postdata();
$out = $this->get_normalized_http_url();
if ($post_data) {
$out .= '?'.$post_data;
}
return $out;
}
/**
* builds the data one would send in a POST request
*/
public function to_postdata() {
return OAuthUtil::build_http_query($this->parameters);
}
/**
* builds the Authorization: header
*/
public function to_header($realm=null) {
$first = true;
if($realm) {
$out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
$first = false;
} else
$out = 'Authorization: OAuth';
$total = array();
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") continue;
if (is_array($v)) {
throw new OAuthException('Arrays not supported in headers');
}
$out .= ($first) ? ' ' : ',';
$out .= OAuthUtil::urlencode_rfc3986($k) .
'="' .
OAuthUtil::urlencode_rfc3986($v) .
'"';
$first = false;
}
return $out;
}
public function __toString() {
return $this->to_url();
}
public function sign_request($signature_method, $consumer, $token) {
$this->set_parameter(
"oauth_signature_method",
$signature_method->get_name(),
false
);
$signature = $this->build_signature($signature_method, $consumer, $token);
$this->set_parameter("oauth_signature", $signature, false);
}
public function build_signature($signature_method, $consumer, $token) {
$signature = $signature_method->build_signature($this, $consumer, $token);
return $signature;
}
/**
* util function: current timestamp
*/
private static function generate_timestamp() {
return time();
}
/**
* util function: current nonce
*/
private static function generate_nonce() {
$mt = microtime();
$rand = mt_rand();
return md5($mt . $rand); // md5s look nicer than numbers
}
}
class OAuthServer {
protected $timestamp_threshold = 300; // in seconds, five minutes
protected $version = '1.0'; // hi blaine
protected $signature_methods = array();
protected $data_store;
function __construct($data_store) {
$this->data_store = $data_store;
}
public function add_signature_method($signature_method) {
$this->signature_methods[$signature_method->get_name()] =
$signature_method;
}
// high level functions
/**
* process a request_token request
* returns the request token on success
*/
public function fetch_request_token(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
// no token required for the initial token request
$token = NULL;
$this->check_signature($request, $consumer, $token);
// Rev A change
$callback = $request->get_parameter('oauth_callback');
$new_token = $this->data_store->new_request_token($consumer, $callback);
return $new_token;
}
/**
* process an access_token request
* returns the access token on success
*/
public function fetch_access_token(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
// requires authorized request token
$token = $this->get_token($request, $consumer, "request");
$this->check_signature($request, $consumer, $token);
// Rev A change
$verifier = $request->get_parameter('oauth_verifier');
$new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
return $new_token;
}
/**
* verify an api call, checks all the parameters
*/
public function verify_request(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
$token = $this->get_token($request, $consumer, "access");
$this->check_signature($request, $consumer, $token);
return array($consumer, $token);
}
// Internals from here
/**
* version 1
*/
private function get_version(&$request) {
$version = $request->get_parameter("oauth_version");
if (!$version) {
// Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
// Chapter 7.0 ("Accessing Protected Ressources")
$version = '1.0';
}
if ($version !== $this->version) {
throw new OAuthException("OAuth version '$version' not supported");
}
return $version;
}
/**
* figure out the signature with some defaults
*/
private function get_signature_method($request) {
$signature_method = $request instanceof OAuthRequest
? $request->get_parameter("oauth_signature_method")
: NULL;
if (!$signature_method) {
// According to chapter 7 ("Accessing Protected Ressources") the signature-method
// parameter is required, and we can't just fallback to PLAINTEXT
throw new OAuthException('No signature method parameter. This parameter is required');
}
if (!in_array($signature_method,
array_keys($this->signature_methods))) {
throw new OAuthException(
"Signature method '$signature_method' not supported " .
"try one of the following: " .
implode(", ", array_keys($this->signature_methods))
);
}
return $this->signature_methods[$signature_method];
}
/**
* try to find the consumer for the provided request's consumer key
*/
private function get_consumer($request) {
$consumer_key = $request instanceof OAuthRequest
? $request->get_parameter("oauth_consumer_key")
: NULL;
if (!$consumer_key) {
throw new OAuthException("Invalid consumer key");
}
$consumer = $this->data_store->lookup_consumer($consumer_key);
if (!$consumer) {
throw new OAuthException("Invalid consumer");
}
return $consumer;
}
/**
* try to find the token for the provided request's token key
*/
private function get_token($request, $consumer, $token_type="access") {
$token_field = $request instanceof OAuthRequest
? $request->get_parameter('oauth_token')
: NULL;
$token = $this->data_store->lookup_token(
$consumer, $token_type, $token_field
);
if (!$token) {
throw new OAuthException("Invalid $token_type token: $token_field");
}
return $token;
}
/**
* all-in-one function to check the signature on a request
* should guess the signature method appropriately
*/
private function check_signature($request, $consumer, $token) {
// this should probably be in a different method
$timestamp = $request instanceof OAuthRequest
? $request->get_parameter('oauth_timestamp')
: NULL;
$nonce = $request instanceof OAuthRequest
? $request->get_parameter('oauth_nonce')
: NULL;
$this->check_timestamp($timestamp);
$this->check_nonce($consumer, $token, $nonce, $timestamp);
$signature_method = $this->get_signature_method($request);
$signature = $request->get_parameter('oauth_signature');
$valid_sig = $signature_method->check_signature(
$request,
$consumer,
$token,
$signature
);
if (!$valid_sig) {
throw new OAuthException("Invalid signature");
}
}
/**
* check that the timestamp is new enough
*/
private function check_timestamp($timestamp) {
if( ! $timestamp )
throw new OAuthException(
'Missing timestamp parameter. The parameter is required'
);
// verify that timestamp is recentish
$now = time();
if (abs($now - $timestamp) > $this->timestamp_threshold) {
throw new OAuthException(
"Expired timestamp, yours $timestamp, ours $now"
);
}
}
/**
* check that the nonce is not repeated
*/
private function check_nonce($consumer, $token, $nonce, $timestamp) {
if( ! $nonce )
throw new OAuthException(
'Missing nonce parameter. The parameter is required'
);
// verify that the nonce is uniqueish
$found = $this->data_store->lookup_nonce(
$consumer,
$token,
$nonce,
$timestamp
);
if ($found) {
throw new OAuthException("Nonce already used: $nonce");
}
}
}
class OAuthDataStore {
function lookup_consumer($consumer_key) {
// implement me
}
function lookup_token($consumer, $token_type, $token) {
// implement me
}
function lookup_nonce($consumer, $token, $nonce, $timestamp) {
// implement me
}
function new_request_token($consumer, $callback = null) {
// return a new token attached to this consumer
}
function new_access_token($token, $consumer, $verifier = null) {
// return a new access token attached to this consumer
// for the user associated with this token if the request token
// is authorized
// should also invalidate the request token
}
}
class OAuthUtil {
public static function urlencode_rfc3986($input) {
if (is_array($input)) {
return array_map(array('OAuthUtil', 'urlencode_rfc3986'), $input);
} else if (is_scalar($input)) {
return str_replace(
'+',
' ',
str_replace('%7E', '~', rawurlencode($input))
);
} else {
return '';
}
}
// This decode function isn't taking into consideration the above
// modifications to the encoding process. However, this method doesn't
// seem to be used anywhere so leaving it as is.
public static function urldecode_rfc3986($string) {
return urldecode($string);
}
// Utility function for turning the Authorization: header into
// parameters, has to do some unescaping
// Can filter out any non-oauth parameters if needed (default behaviour)
// May 28th, 2010 - method updated to tjerk.meesters for a speed improvement.
// see http://code.google.com/p/oauth/issues/detail?id=163
public static function split_header($header, $only_allow_oauth_parameters = true) {
$params = array();
if (preg_match_all('/('.($only_allow_oauth_parameters ? 'oauth_' : '').'[a-z_-]*)=(:?"([^"]*)"|([^,]*))/', $header, $matches)) {
foreach ($matches[1] as $i => $h) {
$params[$h] = OAuthUtil::urldecode_rfc3986(empty($matches[3][$i]) ? $matches[4][$i] : $matches[3][$i]);
}
if (isset($params['realm'])) {
unset($params['realm']);
}
}
return $params;
}
// helper to try to sort out headers for people who aren't running apache
public static function get_headers() {
if (function_exists('apache_request_headers')) {
// we need this to get the actual Authorization: header
// because apache tends to tell us it doesn't exist
$headers = apache_request_headers();
// sanitize the output of apache_request_headers because
// we always want the keys to be Cased-Like-This and arh()
// returns the headers in the same case as they are in the
// request
$out = array();
foreach ($headers AS $key => $value) {
$key = str_replace(
" ",
"-",
ucwords(strtolower(str_replace("-", " ", $key)))
);
$out[$key] = $value;
}
} else {
// otherwise we don't have apache and are just going to have to hope
// that $_SERVER actually contains what we need
$out = array();
if( isset($_SERVER['CONTENT_TYPE']) )
$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
if( isset($_ENV['CONTENT_TYPE']) )
$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
foreach ($_SERVER as $key => $value) {
if (substr($key, 0, 5) == "HTTP_") {
// this is chaos, basically it is just there to capitalize the first
// letter of every word that is not an initial HTTP and strip HTTP
// code from przemek
$key = str_replace(
" ",
"-",
ucwords(strtolower(str_replace("_", " ", substr($key, 5))))
);
$out[$key] = $value;
}
}
}
return $out;
}
// This function takes a input like a=b&a=c&d=e and returns the parsed
// parameters like this
// array('a' => array('b','c'), 'd' => 'e')
public static function parse_parameters( $input ) {
if (!isset($input) || !$input) return array();
$pairs = explode('&', $input);
$parsed_parameters = array();
foreach ($pairs as $pair) {
$split = explode('=', $pair, 2);
$parameter = OAuthUtil::urldecode_rfc3986($split[0]);
$value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
if (isset($parsed_parameters[$parameter])) {
// We have already recieved parameter(s) with this name, so add to the list
// of parameters with this name
if (is_scalar($parsed_parameters[$parameter])) {
// This is the first duplicate, so transform scalar (string) into an array
// so we can add the duplicates
$parsed_parameters[$parameter] = array($parsed_parameters[$parameter]);
}
$parsed_parameters[$parameter][] = $value;
} else {
$parsed_parameters[$parameter] = $value;
}
}
return $parsed_parameters;
}
public static function build_http_query($params) {
if (!$params) return '';
// Urlencode both keys and values
$keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
$values = OAuthUtil::urlencode_rfc3986(array_values($params));
$params = array_combine($keys, $values);
// Parameters are sorted by name, using lexicographical byte value ordering.
// Ref: Spec: 9.1.1 (1)
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $parameter => $value) {
if (is_array($value)) {
// If two or more parameters share the same name, they are sorted by their value
// Ref: Spec: 9.1.1 (1)
// June 12th, 2010 - changed to sort because of issue 164 by hidetaka
sort($value, SORT_STRING);
foreach ($value as $duplicate_value) {
$pairs[] = $parameter . '=' . $duplicate_value;
}
} else {
$pairs[] = $parameter . '=' . $value;
}
}
// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
// Each name-value pair is separated by an '&' character (ASCII code 38)
return implode('&', $pairs);
}
}
?>

View file

@ -0,0 +1,166 @@
<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2014 Ampache.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
class Ampache7digital {
public $name = '7digital';
public $description = 'Song preview from 7digital';
public $url = 'http://www.7digital.com';
public $version = '000001';
public $min_ampache = '370015';
public $max_ampache = '999999';
private $api_key;
private $secret;
/**
* Constructor
* This function does nothing...
*/
public function __construct() {
require_once AmpConfig::get('prefix') . "/modules/oauth/OAuth.php";
return true;
} // constructor
/**
* install
* This is a required plugin function. It inserts our preferences
* into Ampache
*/
public function install() {
if (Preference::exists('7digital_api_key')) { return false; }
Preference::insert('7digital_api_key','7digital consumer key','','75','string','plugins');
Preference::insert('7digital_secret_api_key','7digital secret','','75','string','plugins');
return true;
} // install
/**
* uninstall
* This is a required plugin function. It removes our preferences from
* the database returning it to its original form
*/
public function uninstall() {
Preference::delete('7digital_api_key');
Preference::delete('7digital_secret_api_key');
return true;
} // uninstall
/**
* upgrade
* This is a recommended plugin function
*/
public function upgrade() {
return true;
} // upgrade
/**
* Get song preview.
* @param string $track_mbid
* @param string $artist_name
* @param string $title
* @return array
*/
public function get_song_preview($track_mbid, $artist_name, $title)
{
$file = null;
$echonest = new EchoNest_Client(new EchoNest_HttpClient_Requests());
$echonest->authenticate(AmpConfig::get('echonest_api_key'));
$enSong = null;
try {
$enProfile = $echonest->getTrackApi()->profile('musicbrainz:track:' . $track_mbid);
$enSong = $echonest->getSongApi()->profile($enProfile['song_id'], array( 'id:7digital-US', 'audio_summary', 'tracks'));
} catch (Exception $e) {
debug_event('echonest', 'EchoNest track error on `' . $track_mbid . '` (' . $title . '): ' . $e->getMessage(), '1');
}
// Wans't able to get the song with MusicBrainz ID, try a search
if ($enSong == null) {
try {
$enSong = $echonest->getSongApi()->search(array(
'results' => '1',
'artist' => $artist_name,
'title' => $title,
'bucket' => array( 'id:7digital-US', 'audio_summary', 'tracks'),
));
} catch (Exception $e) {
debug_event('echonest', 'EchoNest song search error: ' . $e->getMessage(), '1');
}
}
if ($enSong != null) {
$file = $enSong[0]['tracks'][0]['preview_url'];
debug_event('echonest', 'EchoNest `' . $title . '` preview: ' . $file, '1');
}
return $file;
}
public function stream_song_preview($file)
{
if (strpos($file, "7digital") !== false) {
$consumer = new OAuthConsumer($this->api_key, $this->secret, null);
$request = OAuthRequest::from_consumer_and_token($consumer, null, 'GET', $file);
$request->sign_request(new OAuthSignatureMethod_HMAC_SHA1(), $consumer, null);
$url = $request->to_url();
header("Location: " . $url);
exit;
}
return false;
}
/**
* load
* This loads up the data we need into this object, this stuff comes
* from the preferences.
*/
public function load($user) {
$user->set_preferences();
$data = $user->prefs;
if (strlen(trim($data['7digital_api_key']))) {
$this->api_key = trim($data['7digital_api_key']);
}
else {
debug_event($this->name,'No 7digital api key, song preview plugin skipped','3');
return false;
}
if (strlen(trim($data['7digital_secret_api_key']))) {
$this->secret = trim($data['7digital_secret_api_key']);
}
else {
debug_event($this->name,'No 7digital secret, song preview plugin skipped','3');
return false;
}
return true;
} // load
} // end Ampache7digital
?>

View file

@ -269,8 +269,13 @@ if ($media->catalog) {
$media = $catalog->prepare_media($media);
} else {
// No catalog, must be song preview or something like that => just redirect to file
header('Location: ' . $media->file);
$media = null;
if ($type == "song_preview") {
$media->stream();
} else {
header('Location: ' . $media->file);
exit;
}
}
if ($media == null) {
// Handle democratic removal

View file

@ -22,7 +22,7 @@
?>
<?php if (AmpConfig::get('echonest_api_key')) { ?>
<td class="cel_play">
<?php if (AmpConfig::get('directplay') && !empty($libitem->file)) { ?>
<?php if (AmpConfig::get('directplay') && $libitem->file) { ?>
<?php echo Ajax::button('?page=stream&action=directplay&object_type=song_preview&object_id=' . $libitem->id,'play_preview', T_('Play'),'play_song_' . $libitem->id); ?>
<?php if (Stream_Playlist::check_autoplay_append()) { ?>
<?php echo Ajax::button('?page=stream&action=directplay&object_type=song_preview&object_id=' . $libitem->id . '&append=true','play_add_preview', T_('Play last'),'addplay_song_' . $libitem->id); ?>
@ -34,7 +34,7 @@
<?php if (AmpConfig::get('echonest_api_key')) { ?>
<td class="cel_add">
<span class="cel_item_add">
<?php if (!empty($libitem->file)) { ?>
<?php if ($libitem->file) { ?>
<?php echo Ajax::button('?action=basket&type=song_preview&id=' . $libitem->id,'add', T_('Add to temporary playlist'),'add_' . $libitem->id); ?>
<a id="<?php echo 'add_playlist_'.$libitem->id ?>" onclick="showPlaylistDialog(event, 'song_preview', '<?php echo $libitem->id ?>')">
<?php echo UI::get_icon('playlist_add', T_('Add to existing playlist')); ?>