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server/apps/media/lib_ampache.php
Frank Karlitschek 97a8af7f25 ported oc_db
2012-05-03 13:06:08 +02:00

417 lines
13 KiB
PHP
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<?php
/**
* ownCloud - media plugin
*
* @author Robin Appelman
* @copyright 2010 Robin Appelman icewind1991@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or 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 AFFERO 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, see <http://www.gnu.org/licenses/>.
*
*/
//implementation of ampache's xml api
class OC_MEDIA_AMPACHE{
/**
* fix the string to be XML compatible
* @param string name
* @return string
*/
/* this is an ugly hack(tm), this should be: */
/* htmlentities($name, ENT_XML1, 'UTF-8'); */
/* with PHP 5.4 and later */
public static function fixXmlString($name){
$result=str_replace("&", "&amp;", $name);
$result=str_replace("'", "&apos;", $result);
$result=str_replace("<", "&lt;", $result);
$result=str_replace(">", "&gt;", $result);
$result=str_replace("\"", "&quot;", $result);
$result=str_replace("Ä", "&#196;", $result);
$result=str_replace("Ö", "&#214;", $result);
$result=str_replace("Ü", "&#220;", $result);
$result=str_replace("ä", "&#228;", $result);
$result=str_replace("ö", "&#246;", $result);
$result=str_replace("ü", "&#252;", $result);
$result=str_replace("ß", "&#223;", $result);
return $result;
}
/**
* do the initial handshake
* @param array params
*/
public static function handshake($params){
$auth=(isset($params['auth']))?$params['auth']:false;
$user=(isset($params['user']))?$params['user']:false;
$time=(isset($params['timestamp']))?$params['timestamp']:false;
$now=time();
if($now-$time>(10*60)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>timestamp is more then 10 minutes old</error>
</root>");
}
if($auth and $user and $time){
$query=OCP\DB::prepare("SELECT user_id, user_password_sha256 from *PREFIX*media_users WHERE user_id=?");
$users=$query->execute(array($user))->fetchAll();
if(count($users)>0){
$pass=$users[0]['user_password_sha256'];
$key=hash('sha256',$time.$pass);
if($key==$auth){
$token=hash('sha256','oc_media_'.$key);
OC_MEDIA_COLLECTION::$uid=$users[0]['user_id'];
$date=date('c');//todo proper update/add/clean dates
$songs=OC_MEDIA_COLLECTION::getSongCount();
$artists=OC_MEDIA_COLLECTION::getArtistCount();
$albums=OC_MEDIA_COLLECTION::getAlbumCount();
$query=OCP\DB::prepare("INSERT INTO *PREFIX*media_sessions (`session_id`, `token`, `user_id`, `start`) VALUES (NULL, ?, ?, now());");
$query->execute(array($token,$user));
$expire=date('c',time()+600);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<auth>$token</auth>
<version>350001</version>
<update>$date</update>
<add>$date</add>
<clean>$date</clean>
<songs>$songs</songs>
<artists>$artists</artists>
<albums>$albums</albums>\
<session_length>600</session_length>
<session_expire>$expire</session_expire>
<tags>0</tags>
<videos>0</videos>
</root>");
return;
}
}
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
}else{
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Missing arguments</error>
</root>");
}
}
public static function ping($params){
if(isset($params['auth'])){
if(self::checkAuth($params['auth'])){
self::updateAuth($params['auth']);
}else{
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
}
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
echo('<version>350001</version>');
echo('</root>');
}
public static function checkAuth($auth){
if(is_array($auth)){
if(isset($auth['auth'])){
$auth=$auth['auth'];
}else{
return false;
}
}
//remove old sessions
$query=OCP\DB::prepare("DELETE from *PREFIX*media_sessions WHERE start<(NOW()-600)");
$query->execute();
$query=OCP\DB::prepare("SELECT user_id from *PREFIX*media_sessions WHERE token=?");
$users=$query->execute(array($auth))->fetchAll();
if(count($users)>0){
OC_MEDIA_COLLECTION::$uid=$users[0]['user_id'];
return $users[0]['user_id'];
}else{
return false;
}
}
public static function updateAuth($auth){
$query=OCP\DB::prepare("UPDATE *PREFIX*media_sessions SET start=CURRENT_TIMESTAMP WHERE token=?");
$query->execute(array($auth));
}
private static function printArtist($artist){
$albums=count(OC_MEDIA_COLLECTION::getAlbums($artist['artist_id']));
$songs=count(OC_MEDIA_COLLECTION::getSongs($artist['artist_id']));
$id=$artist['artist_id'];
$name=self::fixXmlString($artist['artist_name']);
echo("\t<artist id='$id'>\n");
echo("\t\t<name>$name</name>\n");
echo("\t\t<albums>$albums</albums>\n");
echo("\t\t<songs>$songs</songs>\n");
echo("\t\t<rating>0</rating>\n");
echo("\t\t<preciserating>0</preciserating>\n");
echo("\t</artist>\n");
}
private static function printAlbum($album,$artistName=false){
if(!$artistName){
$artistName=OC_MEDIA_COLLECTION::getArtistName($album['album_artist']);
}
$artistName=self::fixXmlString($artistName);
$songs=count(OC_MEDIA_COLLECTION::getSongs($album['album_artist'],$album['album_id']));
$id=$album['album_id'];
$name=self::fixXmlString($album['album_name']);
$artist=$album['album_artist'];
echo("\t<album id='$id'>\n");
echo("\t\t<name>$name</name>\n");
echo("\t\t<artist id='$artist'>$artistName</artist>\n");
echo("\t\t<tracks>$songs</tracks>\n");
echo("\t\t<rating>0</rating>\n");
echo("\t\t<year>0</year>\n"); /* make Viridian happy */
echo("\t\t<disk>1</disk>\n"); /* make Viridian happy */
echo("\t\t<art> </art>\n"); /* single space to make quickplay happy enough */
echo("\t\t<preciserating>0</preciserating>\n");
echo("\t</album>\n");
}
private static function printSong($song,$artistName=false,$albumName=false){
if(!$artistName){
$artistName=OC_MEDIA_COLLECTION::getArtistName($song['song_artist']);
}
if(!$albumName){
$albumName=OC_MEDIA_COLLECTION::getAlbumName($song['song_album']);
}
$artistName=self::fixXmlString($artistName);
$albumName=self::fixXmlString($albumName);
$id=$song['song_id'];
$name=self::fixXmlString($song['song_name']);
$artist=$song['song_artist'];
$album=$song['song_album'];
echo("\t<song id='$id'>\n");
echo("\t\t<title>$name</title>\n");
echo("\t\t<artist id='$artist'>$artistName</artist>\n");
echo("\t\t<album id='$album'>$albumName</album>\n");
$url=OCP\Util::linkToAbsolute('media', 'server/xml.server.php')."?action=play&song=$id&auth={$_GET['auth']}";
$url=self::fixXmlString($url);
echo("\t\t<url>$url</url>\n");
echo("\t\t<time>{$song['song_length']}</time>\n");
echo("\t\t<track>{$song['song_track']}</track>\n");
echo("\t\t<size>{$song['song_size']}</size>\n");
echo("\t\t<art> </art>\n"); /* single space to make Viridian happy enough */
echo("\t\t<rating>0</rating>\n");
echo("\t\t<preciserating>0</preciserating>\n");
echo("\t</song>\n");
}
public static function artists($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$filter=isset($params['filter'])?$params['filter']:'';
$exact=isset($params['exact'])?($params['exact']=='true'):false;
$artists=OC_MEDIA_COLLECTION::getArtists($filter,$exact);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($artists as $artist){
self::printArtist($artist);
}
echo('</root>');
}
public static function artist_songs($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$filter=isset($params['filter'])?$params['filter']:'';
$songs=OC_MEDIA_COLLECTION::getSongs($filter);
$artist=OC_MEDIA_COLLECTION::getArtistName($filter);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($songs as $song){
self::printSong($song,$artist);
}
echo('</root>');
}
public static function artist_albums($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
global $SITEROOT;
$filter=$params['filter'];
$albums=OC_MEDIA_COLLECTION::getAlbums($filter);
$artist=OC_MEDIA_COLLECTION::getArtistName($filter);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($albums as $album){
self::printAlbum($album,$artist);
}
echo('</root>');
}
public static function albums($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$filter=isset($params['filter'])?$params['filter']:'';
$exact=isset($params['exact'])?($params['exact']=='true'):false;
$albums=OC_MEDIA_COLLECTION::getAlbums(0,$filter,$exact);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($albums as $album){
self::printAlbum($album,false);
}
echo('</root>');
}
public static function album_songs($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$songs=OC_MEDIA_COLLECTION::getSongs(0,$params['filter']);
if(count($songs)>0){
$artist=OC_MEDIA_COLLECTION::getArtistName($songs[0]['song_artist']);
}
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($songs as $song){
self::printSong($song,$artist);
}
echo('</root>');
}
public static function songs($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$filter=isset($params['filter'])?$params['filter']:'';
$exact=isset($params['exact'])?($params['exact']=='true'):false;
$songs=OC_MEDIA_COLLECTION::getSongs(0,0,$filter,$exact);
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($songs as $song){
self::printSong($song);
}
echo('</root>');
}
public static function song($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
if($song=OC_MEDIA_COLLECTION::getSong($params['filter'])){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
self::printSong($song);
echo('</root>');
}
}
public static function play($params){
$username=!self::checkAuth($params);
if($username){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
if($song=OC_MEDIA_COLLECTION::getSong($params['song'])){
OC_Util::setupFS($song["song_user"]);
header('Content-type: '.OC_Filesystem::getMimeType($song['song_path']));
header('Content-Length: '.$song['song_size']);
OC_Filesystem::readfile($song['song_path']);
}
}
public static function url_to_song($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$url=$params['url'];
$songId=substr($url,strrpos($url,'song=')+5);
if($song=OC_MEDIA_COLLECTION::getSong($songId)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
self::printSong($song);
echo('</root>');
}
}
public static function search_songs($params){
if(!self::checkAuth($params)){
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo("<root>
<error code='400'>Invalid login</error>
</root>");
return;
}
$filter=$params['filter'];
$artists=OC_MEDIA_COLLECTION::getArtists($filter);
$albums=OC_MEDIA_COLLECTION::getAlbums(0,$filter);
$songs=OC_MEDIA_COLLECTION::getSongs(0,0,$filter);
foreach($artists as $artist){
$songs=array_merge($songs,OC_MEDIA_COLLECTION::getSongs($artist['artist_id']));
}
foreach($albums as $album){
$songs=array_merge($songs,OC_MEDIA_COLLECTION::getSongs($album['album_artist'],$album['album_id']));
}
echo('<?xml version="1.0" encoding="UTF-8"?>');
echo('<root>');
foreach($songs as $song){
self::printSong($song);
}
echo('</root>');
}
}
?>
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