mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-03 17:59:21 +02:00
269 lines
9.1 KiB
PHP
269 lines
9.1 KiB
PHP
<?php
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/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
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/**
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*
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* LICENSE: GNU General Public License, version 2 (GPLv2)
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* Copyright 2001 - 2013 Ampache.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License v2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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class scrobbler
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{
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public $error_msg;
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public $username;
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public $password;
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public $challenge;
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public $submit_host;
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public $submit_port;
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public $submit_url;
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public $queued_tracks;
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public $reset_handshake = false;
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public $scrobble_host = 'post.audioscrobbler.com';
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/**
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* Constructor
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* This is the constructer it takes a username and password
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*/
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public function __construct($username, $password,$host='',$port='',$url='',$challenge='',$scrobble_host='')
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{
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$this->error_msg = '';
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$this->username = trim($username);
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$this->password = trim($password);
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$this->challenge = $challenge;
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$this->submit_host = $host;
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$this->submit_port = $port;
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$this->submit_url = $url;
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$this->queued_tracks = array();
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if ($scrobble_host) { $this->scrobble_host = $scrobble_host; }
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} // scrobbler
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/**
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* get_error_msg
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*/
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public function get_error_msg()
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{
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return $this->error_msg;
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} // get_error_msg
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/**
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* get_queue_count
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*/
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public function get_queue_count()
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{
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return count($this->queued_tracks);
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} // get_queue_count
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/**
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* handshake
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* This does a handshake with the audioscrobber server it doesn't pass the password, but
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* it does pass the username and has a 10 second timeout
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*/
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public function handshake()
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{
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$as_socket = fsockopen($this->scrobble_host, 80, $errno, $errstr, 2);
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if (!$as_socket) {
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$this->error_msg = $errstr;
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return false;
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}
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$username = rawurlencode($this->username);
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$timestamp = time();
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$auth_token = rawurlencode(md5($this->password . $timestamp));
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$get_string = "GET /?hs=true&p=1.2&c=apa&v=0.1&u=$username&t=$timestamp&a=$auth_token HTTP/1.1\r\n";
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fwrite($as_socket, $get_string);
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fwrite($as_socket, "Host: $this->scrobble_host\r\n");
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fwrite($as_socket, "Accept: */*\r\n\r\n");
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$buffer = '';
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while (!feof($as_socket)) {
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$buffer .= fread($as_socket, 4096);
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}
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fclose($as_socket);
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$split_response = preg_split("/\r\n\r\n/", $buffer);
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if (!isset($split_response[1])) {
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$this->error_msg = 'Did not receive a valid response';
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return false;
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}
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$response = explode("\n", $split_response[1]);
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// Handle the fact Libre.FM has extranious values at the start of it's handshake response
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if (is_numeric(trim($response['0']))) {
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array_shift($response);
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debug_event('SCROBBLER','Junk in handshake, removing first line',1);
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}
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if (substr($response[0], 0, 6) == 'FAILED') {
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$this->error_msg = substr($response[0], 7);
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return false;
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}
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if (substr($response[0], 0, 7) == 'BADUSER') {
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$this->error_msg = 'Invalid Username';
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return false;
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}
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if (substr($response[0],0,7) == 'BADTIME') {
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$this->error_msg = 'Your time is too far off from the server, or your PHP timezone is incorrect';
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return false;
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}
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if (substr($response[0], 0, 6) == 'UPDATE') {
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$this->error_msg = 'You need to update your client: '.substr($response[0], 7);
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return false;
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}
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if (preg_match('/http:\/\/([^\/]+)\/(.*)$/', $response[3], $matches)) {
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$host_parts = explode(":",$matches[1]);
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$data['submit_host'] = $host_parts[0];
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$data['submit_port'] = $host_parts[1] ? $host_parts[1] : '80';
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$data['submit_url'] = '/' . $matches[2];
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} else {
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$this->error_msg = "Invalid POST URL returned, unable to continue. Sent:\n$get_string\n----\nReceived:\n" . $buffer .
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"\n---------\nExpected:" . print_r($response, true);
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return false;
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}
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// Remove any extra junk around the challenge
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$data['challenge'] = trim($response[1]);
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return $data;
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} // handshake
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/**
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* queue_track
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* This queues the LastFM track by storing it in this object, it doesn't actually
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* submit the track or talk to LastFM in anyway, kind of useless for our uses but its
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* here, and that's how it is.
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*/
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public function queue_track($artist, $album, $title, $timestamp, $length,$track)
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{
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if ($length < 30) {
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debug_event('Scrobbler',"Not queuing track, too short",'5');
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return false;
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}
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$newtrack = array();
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$newtrack['artist'] = $artist;
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$newtrack['album'] = $album;
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$newtrack['title'] = $title;
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$newtrack['track'] = $track;
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$newtrack['length'] = $length;
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$newtrack['time'] = $timestamp;
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$this->queued_tracks[$timestamp] = $newtrack;
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return true;
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} // queue_track
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/**
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* submit_tracks
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* This actually talks to LastFM submiting the tracks that are queued up. It
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* passed the md5'd password combinted with the challenge, which is then md5'd
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*/
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public function submit_tracks()
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{
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// Check and make sure that we've got some queued tracks
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if (!count($this->queued_tracks)) {
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$this->error_msg = "No tracks to submit";
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return false;
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}
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//sort array by timestamp
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ksort($this->queued_tracks);
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// build the query string
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$query_str = 's='.rawurlencode($this->challenge).'&';
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$i = 0;
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foreach ($this->queued_tracks as $track) {
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$query_str .= "a[$i]=".rawurlencode($track['artist'])."&t[$i]=".rawurlencode($track['title'])."&b[$i]=".rawurlencode($track['album'])."&";
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$query_str .= "m[$i]=&l[$i]=".rawurlencode($track['length'])."&i[$i]=".rawurlencode($track['time'])."&";
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$query_str .= "n[$i]=" . rawurlencode($track['track']) . "&o[$i]=P&r[$i]=&";
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$i++;
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}
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if (!trim($this->submit_host) || !$this->submit_port) {
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$this->reset_handshake = true;
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return false;
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}
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$as_socket = fsockopen($this->submit_host, intval($this->submit_port), $errno, $errstr, 2);
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if (!$as_socket) {
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$this->error_msg = $errstr;
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$this->reset_handshake = true;
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return false;
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}
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$action = "POST ".$this->submit_url." HTTP/1.0\r\n";
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fwrite($as_socket, $action);
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fwrite($as_socket, "Host: ".$this->submit_host."\r\n");
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fwrite($as_socket, "Accept: */*\r\n");
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fwrite($as_socket, "User-Agent: Ampache/3.6\r\n");
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fwrite($as_socket, "Content-type: application/x-www-form-urlencoded\r\n");
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fwrite($as_socket, "Content-length: ".strlen($query_str)."\r\n\r\n");
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fwrite($as_socket, $query_str."\r\n\r\n");
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// Allow us to debug this
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debug_event('SCROBBLER','Query String:' . $query_str,6);
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$buffer = '';
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while (!feof($as_socket)) {
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$buffer .= fread($as_socket, 8192);
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}
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fclose($as_socket);
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$split_response = preg_split("/\r\n\r\n/", $buffer);
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if (!isset($split_response[1])) {
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$this->error_msg = 'Did not receive a valid response';
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$this->reset_handshake = true;
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return false;
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}
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$response = explode("\n", $split_response[1]);
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if (!isset($response[0])) {
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$this->error_msg = 'Unknown error submitting tracks'.
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"\nDebug output:\n".$buffer;
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$this->reset_handshake = true;
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return false;
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}
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if (substr($response[0], 0, 6) == 'FAILED') {
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$this->error_msg = $response[0];
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$this->reset_handshake = true;
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return false;
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}
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if (substr($response[0], 0, 7) == 'BADAUTH') {
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$this->error_msg = 'Invalid username/password (' . trim($response[0]) . ')';
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return false;
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}
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if (substr($response[0],0,10) == 'BADSESSION') {
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$this->error_msg = 'Invalid Session passed (' . trim($response[0]) . ')';
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$this->reset_handshake = true;
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return false;
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}
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if (substr($response[0], 0, 2) != 'OK') {
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$this->error_msg = 'Response Not ok, unknown error'.
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"\nDebug output:\n".$buffer;
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$this->reset_handshake = true;
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return false;
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}
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return true;
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} // submit_tracks
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} // end audioscrobbler class
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