/**
* parse
*
* Takes an url and parses out all the chewy goodness.
*/
public static function parse($url)
{
if (AmpConfig::get('stream_beautiful_url')) {
$posargs = strpos($url, '/play/');
if ($posargs !== false) {
$argsstr = substr($url, $posargs + 6);
$url = substr($url, 0, $posargs + 6) . 'index.php?';
$args = explode('/', $argsstr);
for ($i = 0; $i < count($args); $i += 2) {
if ($i > 0) {
$url .= '&';
}
$url .= $args[$i] . '=' . $args[$i + 1];
}
}
}
$query = parse_url($url, PHP_URL_QUERY);
$elements = explode('&', $query);
$results = array();
$results['base_url'] = $url;
foreach ($elements as $element) {
list($key, $value) = explode('=', $element);
switch ($key) {
case 'oid':
$key = 'id';
break;
case 'video':
if (make_bool($value)) {
$results['type'] = 'video';
}
default:
// Nothing
break;
}
$results[$key] = $value;
}
return $results;
}
if (isset($_REQUEST['subtitle'])) {
$subtitle = $media->get_subtitle_file($_REQUEST['subtitle']);
}
$media->format();
}
}
if (!User::stream_control(array(array('object_type' => $type, 'object_id' => $media->id)))) {
debug_event('UI::access_denied', 'Stream control failed for user ' . $GLOBALS['user']->username . ' on ' . $media->get_stream_name(), 3);
UI::access_denied();
exit;
}
if ($media->catalog) {
// Build up the catalog for our current object
$catalog = Catalog::create_from_id($media->catalog);
/* If the media is disabled */
if (!make_bool($media->enabled)) {
debug_event('Play', "Error: {$media->file} is currently disabled, song skipped", '5');
// Check to see if this is a democratic playlist, if so remove it completely
if ($demo_id && isset($democratic)) {
$democratic->delete_from_oid($oid, $type);
}
header('HTTP/1.1 404 File Disabled');
exit;
}
// If we are running in Legalize mode, don't play medias already playing
if (AmpConfig::get('lock_songs')) {
if (!Stream::check_lock_media($media->id, $type)) {
exit;
}
}
$media = $catalog->prepare_media($media);
/**
* set_include_override
* This sets the including div override, used only one place. Kind of a
* hack.
*/
public static function set_include_override($value)
{
self::$include_override = make_bool($value);
}
/**
* set_static_content
* This sets true/false if the content of this browse
* should be static, if they are then content filtering/altering
* methods will be skipped
* @param boolean $value
*/
public function set_static_content($value)
{
$value = make_bool($value);
$this->_state['static'] = $value;
}
public function get_chunk()
{
$chunk = null;
if (!$this->is_init) {
$this->init_channel_songs();
}
if ($this->is_init) {
// Move to next song
while ($this->media == null && ($this->random || $this->song_pos < count($this->songs))) {
if ($this->random) {
$randsongs = $this->playlist->get_random_items(1);
$this->media = new Song($randsongs[0]['object_id']);
} else {
$this->media = new Song($this->songs[$this->song_pos]);
}
$this->media->format();
if ($this->media->catalog) {
$catalog = Catalog::create_from_id($this->media->catalog);
if (make_bool($this->media->enabled)) {
if (AmpConfig::get('lock_songs')) {
if (!Stream::check_lock_media($this->media->id, 'song')) {
debug_event('channel', 'Media ' . $this->media->id . ' locked, skipped.', '3');
$this->media = null;
}
}
}
if ($this->media != null) {
$this->media = $catalog->prepare_media($this->media);
if (!$this->media->file || !Core::is_readable(Core::conv_lc_file($this->media->file))) {
debug_event('channel', 'Cannot read media ' . $this->media->id . ' file, skipped.', '3');
$this->media = null;
} else {
$valid_types = $this->media->get_stream_types();
if (!in_array('transcode', $valid_types)) {
debug_event('channel', 'Missing settings to transcode ' . $this->media->file . ', skipped.', '3');
$this->media = null;
} else {
debug_event('channel', 'Now listening to ' . $this->media->file . '.', '5');
}
}
}
} else {
debug_event('channel', 'Media ' . $this->media->id . ' doesn\'t have catalog, skipped.', '3');
$this->media = null;
}
$this->song_pos++;
// Restart from beginning for next song if the channel is 'loop' enabled
// and load fresh data from database
if ($this->media != null && $this->song_pos == count($this->songs) && $this->loop) {
$this->init_channel_songs();
}
}
if ($this->media != null) {
// Stream not yet initialized for this media, start it
if (!$this->transcoder) {
$this->transcoder = Stream::start_transcode($this->media, $this->stream_type, $this->bitrate);
$this->media_bytes_streamed = 0;
}
if (is_resource($this->transcoder['handle'])) {
$chunk = fread($this->transcoder['handle'], 4096);
$this->media_bytes_streamed += strlen($chunk);
// End of file, prepare to move on for next call
if (feof($this->transcoder['handle'])) {
$this->media->set_played();
if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
fread($this->transcoder['stderr'], 4096);
fclose($this->transcoder['stderr']);
}
fclose($this->transcoder['handle']);
proc_close($this->transcoder['process']);
$this->media = null;
$this->transcoder = null;
}
} else {
$this->media = null;
$this->transcoder = null;
}
if (!strlen($chunk)) {
$chunk = $this->get_chunk();
}
}
}
return $chunk;
}
/**
* set_enabled
* Changes the value of enabled
* @param bool|null $value
*/
public static function set_enabled($value = null)
{
if (is_null($value)) {
self::$enabled = self::$enabled ? false : true;
} else {
self::$enabled = make_bool($value);
}
$_SESSION['art_enabled'] = self::$enabled;
//setcookie('art_enabled', self::$enabled, time() + 31536000, "/");
}
/**
* create
*
* This takes a keyed array of data and trys to insert it as a
* new ACL entry
*/
public static function create($data)
{
if (!self::_verify_range($data['start'], $data['end'])) {
return false;
}
// Check existing ACLs to make sure we're not duplicating values here
if (self::exists($data)) {
debug_event('ACL Create', 'Error: An ACL equal to the created one already exists. Not adding another one: ' . $data['start'] . ' - ' . $data['end'], 1);
Error::add('general', T_('Duplicate ACL defined'));
return false;
}
$start = @inet_pton($data['start']);
$end = @inet_pton($data['end']);
$name = $data['name'];
$user = $data['user'] ?: '-1';
$level = intval($data['level']);
$type = self::validate_type($data['type']);
$enabled = make_bool($data['enabled']) ? 1 : 0;
$sql = 'INSERT INTO `access_list` (`name`, `level`, `start`, `end`, ' . '`user`,`type`,`enabled`) VALUES (?, ?, ?, ?, ?, ?, ?)';
Dba::write($sql, array($name, $level, $start, $end, $user, $type, $enabled));
return true;
}
/**
* invert_bool
* This returns the opposite of what you've got
*/
function invert_bool($value)
{
return make_bool($value) ? false : true;
}
/**
* _get_extra_info
* This pulls the extra information from our tables, this is a 3 table join, which is why we don't normally
* do it
*/
private function _get_extra_info()
{
if (parent::is_cached('album_extra', $this->id)) {
return parent::get_from_cache('album_extra', $this->id);
}
$sql = "SELECT " . "COUNT(DISTINCT(`song`.`artist`)) AS `artist_count`, " . "COUNT(`song`.`id`) AS `song_count`, " . "SUM(`song`.`time`) as `total_duration`," . "`song`.`catalog` as `catalog_id`," . "`artist`.`name` AS `artist_name`, " . "`artist`.`prefix` AS `artist_prefix`, " . "`artist`.`id` AS `artist_id` " . "FROM `song` INNER JOIN `artist` " . "ON `artist`.`id`=`song`.`artist` ";
if (AmpConfig::get('catalog_disable')) {
$sql .= "LEFT JOIN `catalog` ON `catalog`.`id` = `song`.`catalog` ";
}
$suite_array = array();
if ($this->allow_group_disks) {
$suite_array = $this->album_suite;
}
if (!count($suite_array)) {
$suite_array[] = $this->id;
}
$idlist = '(' . implode(',', $suite_array) . ')';
$sql .= "WHERE `song`.`album` IN {$idlist} ";
if (AmpConfig::get('catalog_disable')) {
$sql .= "AND `catalog`.`enabled` = '1' ";
}
if (!count($this->album_suite)) {
$sql .= "GROUP BY `song`.`album`";
} else {
$sql .= "GROUP BY `song`.`artist`";
}
$db_results = Dba::read($sql);
$results = Dba::fetch_assoc($db_results);
$art = new Art($this->id, 'album');
$art->get_db();
$results['has_art'] = make_bool($art->raw);
$results['has_thumb'] = make_bool($art->thumb);
if (AmpConfig::get('show_played_times')) {
$results['object_cnt'] = Stats::get_object_count('album', $this->id);
}
parent::add_to_cache('album_extra', $this->id, $results);
return $results;
}
/**
* media_to_urlarray
* Formats the URL and media information and adds it to the object
*/
public static function media_to_urlarray($media, $additional_params = '')
{
$urls = array();
foreach ($media as $medium) {
$url = array();
if ($medium['custom_play_action']) {
$additional_params .= "&custom_play_action=" . $medium['custom_play_action'];
}
$type = $medium['object_type'];
//$url['object_id'] = $medium['object_id'];
$url['type'] = $type;
$object = new $type($medium['object_id']);
$object->format();
// Don't add disabled media objects to the stream playlist
// Playing a disabled media return a 404 error that could make failed the player (mpd ...)
if (make_bool($object->enabled)) {
//FIXME: play_url shouldn't be static
$url['url'] = $type::play_url($object->id, $additional_params);
$api_session = AmpConfig::get('require_session') ? Stream::$session : false;
// Set a default which can be overridden
$url['author'] = 'Ampache';
$url['time'] = $object->time;
switch ($type) {
case 'song':
$url['title'] = $object->title;
$url['author'] = $object->f_artist_full;
$url['info_url'] = $object->f_link;
$url['image_url'] = Art::url($object->album, 'album', $api_session);
$url['album'] = $object->f_album_full;
break;
case 'video':
$url['title'] = 'Video - ' . $object->title;
$url['author'] = $object->f_artist_full;
break;
case 'radio':
$url['title'] = 'Radio - ' . $object->name;
if (!empty($object->site_url)) {
$url['title'] .= ' (' . $object->site_url . ')';
}
$url['codec'] = $object->codec;
break;
case 'song_preview':
$url['title'] = $object->title;
$url['author'] = $object->f_artist_full;
break;
case 'channel':
$url['title'] = $object->name;
break;
case 'random':
$url['title'] = 'Random URL';
break;
default:
$url['title'] = 'URL-Add';
$url['time'] = -1;
break;
}
$urls[] = new Stream_URL($url);
}
}
return $urls;
}
$media = new Video($oid);
if (isset($_REQUEST['subtitle'])) {
$subtitle = $media->get_subtitle_file($_REQUEST['subtitle']);
}
$media->format();
}
if (!User::stream_control(array(array('object_type' => $type, 'object_id' => $media->id)))) {
debug_event('UI::access_denied', 'Stream control failed for user ' . $GLOBALS['user']->username . ' on ' . $media->get_stream_name(), 3);
UI::access_denied();
exit;
}
if ($media->catalog) {
// Build up the catalog for our current object
$catalog = Catalog::create_from_id($media->catalog);
/* If the media is disabled */
if (isset($media->enabled) && !make_bool($media->enabled)) {
debug_event('Play', "Error: {$media->file} is currently disabled, song skipped", '5');
// Check to see if this is a democratic playlist, if so remove it completely
if ($demo_id && isset($democratic)) {
$democratic->delete_from_oid($oid, $type);
}
header('HTTP/1.1 404 File Disabled');
exit;
}
// If we are running in Legalize mode, don't play medias already playing
if (AmpConfig::get('lock_songs')) {
if (!Stream::check_lock_media($media->id, $type)) {
exit;
}
}
$media = $catalog->prepare_media($media);
/**
* update
* This takes a key'd array of data as input and updates a shoutbox entry
*/
public static function update($data)
{
$id = Dba::escape($data['shout_id']);
$text = Dba::escape(strip_tags($data['comment']));
$sticky = make_bool($data['sticky']);
$sql = "UPDATE `user_shout` SET `text`='{$text}', `sticky`='{$sticky}' WHERE `id`='{$id}'";
Dba::write($sql);
return true;
}
/**
* media_object_to_url
*/
public static function media_object_to_url($object, $additional_params = '', $urltype = 'web')
{
$surl = null;
$url = array();
$type = strtolower(get_class($object));
$url['type'] = $type;
// Don't add disabled media objects to the stream playlist
// Playing a disabled media return a 404 error that could make failed the player (mpd ...)
if (!isset($object->enabled) || make_bool($object->enabled)) {
if ($urltype == 'file') {
$url['url'] = $object->file;
// Relative path
if (!empty($additional_params) && strpos($url['url'], $additional_params) === 0) {
$url['url'] = substr($url['url'], strlen($additional_params));
if (strlen($url['url']) < 1) {
return null;
}
if ($url['url'][0] == DIRECTORY_SEPARATOR) {
$url['url'] = substr($url['url'], 1);
}
}
} else {
//FIXME: play_url shouldn't be static
$url['url'] = $type::play_url($object->id, $additional_params);
}
$api_session = AmpConfig::get('require_session') ? Stream::get_session() : false;
// Set a default which can be overridden
$url['author'] = 'Ampache';
$url['time'] = $object->time;
switch ($type) {
case 'song':
$url['title'] = $object->title;
$url['author'] = $object->f_artist_full;
$url['info_url'] = $object->f_link;
$url['image_url'] = Art::url($object->album, 'album', $api_session, AmpConfig::get('ajax_load') ? 3 : 4);
$url['album'] = $object->f_album_full;
$url['track_num'] = $object->f_track;
break;
case 'video':
$url['title'] = 'Video - ' . $object->title;
$url['author'] = $object->f_artist_full;
$url['resolution'] = $object->f_resolution;
break;
case 'live_stream':
$url['title'] = 'Radio - ' . $object->name;
if (!empty($object->site_url)) {
$url['title'] .= ' (' . $object->site_url . ')';
}
$url['codec'] = $object->codec;
break;
case 'song_preview':
$url['title'] = $object->title;
$url['author'] = $object->f_artist_full;
break;
case 'channel':
$url['title'] = $object->name;
break;
case 'random':
$url['title'] = 'Random URL';
break;
default:
$url['title'] = 'URL-Add';
$url['time'] = -1;
break;
}
$surl = new Stream_URL($url);
}
return $surl;
}
/**
* a wrapper for make_bool that safely takes a value out of an array
*
* @author Craig Ulliott
*/
function array_val_bool(array $array, $key, $default = false)
{
return make_bool(array_val($array, $key, $default));
}
/**
* check_function
*
* This checks if specific functionality is enabled.
* @param string $type
* @return boolean
*/
public static function check_function($type)
{
switch ($type) {
case 'download':
return make_bool(AmpConfig::get('download'));
case 'batch_download':
if (!function_exists('gzcompress')) {
debug_event('access', 'ZLIB extension not loaded, batch download disabled', 3);
return false;
}
if (AmpConfig::get('allow_zip_download') and $GLOBALS['user']->has_access('5')) {
return make_bool(AmpConfig::get('download'));
}
break;
}
return false;
}
/**
* localplay
* This is for controling localplay
*/
public static function localplay($input)
{
// Load their localplay instance
$localplay = new Localplay(AmpConfig::get('localplay_controller'));
$localplay->connect();
switch ($input['command']) {
case 'next':
case 'prev':
case 'play':
case 'stop':
$result_status = $localplay->{$input}['command']();
$xml_array = array('localplay' => array('command' => array($input['command'] => make_bool($result_status))));
echo XML_Data::keyed_array($xml_array);
break;
default:
// They are doing it wrong
echo XML_Data::error('405', T_('Invalid Request'));
break;
}
// end switch on command
}
$localplay->connect();
$localplay->repeat(make_bool($_REQUEST['value']));
ob_start();
$objects = $localplay->get();
require_once AmpConfig::get('prefix') . UI::find_template('show_localplay_status.inc.php');
$results['localplay_status'] = ob_get_contents();
ob_end_clean();
break;
case 'random':
// Make sure that they have access to do this
if (!Access::check('localplay', '50')) {
debug_event('DENIED', 'Attempted to set random without access', '1');
exit;
}
// Scrub her in
$localplay = new Localplay(AmpConfig::get('localplay_controller'));
$localplay->connect();
$localplay->random(make_bool($_REQUEST['value']));
ob_start();
$objects = $localplay->get();
require_once AmpConfig::get('prefix') . UI::find_template('show_localplay_status.inc.php');
$results['localplay_status'] = ob_get_contents();
ob_end_clean();
break;
default:
$results['rfc3514'] = '0x1';
break;
}
// switch on action;
// We always do this
echo xoutput_from_array($results);
/**
* set_static_content
* This sets true/false if the content of this browse
* should be static, if they are then content filtering/altering
* methods will be skipped
*/
public function set_static_content($value)
{
$value = make_bool($value);
// We want to start at 0 if it's static
if ($value) {
$this->set_start('0');
}
$this->_state['static'] = $value;
}
public function get_chunk()
{
$chunk = null;
if (!$this->is_init) {
$this->init_channel_songs();
}
if ($this->is_init) {
// Move to next song
while ($this->media == null && ($this->random || $this->song_pos < count($this->songs))) {
if ($this->random) {
$randsongs = $this->playlist->get_random_items(1);
$this->media = new Song($randsongs[0]['object_id']);
} else {
$this->media = new Song($this->songs[$this->song_pos]);
}
$this->media->format();
if ($this->media->catalog) {
$catalog = Catalog::create_from_id($this->media->catalog);
if (make_bool($this->media->enabled)) {
if (AmpConfig::get('lock_songs')) {
if (!Stream::check_lock_media($this->media->id, 'song')) {
debug_event('channel', 'Media ' . $this->media->id . ' locked, skipped.', '3');
$this->media = null;
}
}
}
if ($this->media != null) {
$this->media = $catalog->prepare_media($this->media);
if (!$this->media->file || !Core::is_readable(Core::conv_lc_file($this->media->file))) {
debug_event('channel', 'Cannot read media ' . $this->media->id . ' file, skipped.', '3');
$this->media = null;
} else {
$valid_types = $this->media->get_stream_types();
if (!in_array('transcode', $valid_types)) {
debug_event('channel', 'Missing settings to transcode ' . $this->media->file . ', skipped.', '3');
$this->media = null;
} else {
debug_event('channel', 'Now listening to ' . $this->media->file . '.', '5');
}
}
}
} else {
debug_event('channel', 'Media ' . $this->media->id . ' doesn\'t have catalog, skipped.', '3');
$this->media = null;
}
$this->song_pos++;
// Restart from beginning for next song if the channel is 'loop' enabled
// and load fresh data from database
if ($this->media != null && $this->song_pos == count($this->songs) && $this->loop) {
$this->init_channel_songs();
}
}
if ($this->media != null) {
// Stream not yet initialized for this media, start it
if (!$this->transcoder) {
$options = array('bitrate' => $this->bitrate);
$this->transcoder = Stream::start_transcode($this->media, $this->stream_type, null, $options);
$this->media_bytes_streamed = 0;
}
if (is_resource($this->transcoder['handle'])) {
if (ftell($this->transcoder['handle']) == 0) {
$this->header_chunk = '';
}
$chunk = fread($this->transcoder['handle'], $this->chunk_size);
$this->media_bytes_streamed += strlen($chunk);
if (ftell($this->transcoder['handle']) < 10000 && strtolower($this->stream_type) == "ogg" || $this->header_chunk_remainder) {
//debug_event('channel', 'File handle pointer: ' . ftell($this->transcoder['handle']) ,'5');
$clchunk = $chunk;
if ($this->header_chunk_remainder) {
$this->header_chunk .= substr($clchunk, 0, $this->header_chunk_remainder);
if (strlen($clchunk) >= $this->header_chunk_remainder) {
$clchunk = substr($clchunk, $this->header_chunk_remainder);
$this->header_chunk_remainder = 0;
} else {
$this->header_chunk_remainder = $this->header_chunk_remainder - strlen($clchunk);
$clchunk = '';
}
}
// see bin/channel_run.inc for explanation what's happening here
while ($this->strtohex(substr($clchunk, 0, 4)) == "4F676753") {
$hex = $this->strtohex(substr($clchunk, 0, 27));
$ogg_nr_of_segments = hexdec(substr($hex, 26 * 2, 2));
if (substr($clchunk, 27 + $ogg_nr_of_segments + 1, 6) == "vorbis" || substr($clchunk, 27 + $ogg_nr_of_segments, 4) == "Opus") {
$hex .= $this->strtohex(substr($clchunk, 27, $ogg_nr_of_segments));
$ogg_sum_segm_laces = 0;
for ($segm = 0; $segm < $ogg_nr_of_segments; $segm++) {
$ogg_sum_segm_laces += hexdec(substr($hex, 27 * 2 + $segm * 2, 2));
}
$this->header_chunk .= substr($clchunk, 0, 27 + $ogg_nr_of_segments + $ogg_sum_segm_laces);
if (strlen($clchunk) < 27 + $ogg_nr_of_segments + $ogg_sum_segm_laces) {
$this->header_chunk_remainder = (int) (27 + $ogg_nr_of_segments + $ogg_sum_segm_laces - strlen($clchunk));
}
$clchunk = substr($clchunk, 27 + $ogg_nr_of_segments + $ogg_sum_segm_laces);
} else {
//no more interesting headers
$clchunk = '';
}
}
}
//debug_event('channel', 'File handle pointer: ' . ftell($this->transcoder['handle']) ,'5');
//debug_event('channel', 'CHUNK : ' . $chunk, '5');
//debug_event('channel', 'Chunk size: ' . strlen($chunk) ,'5');
// End of file, prepare to move on for next call
if (feof($this->transcoder['handle'])) {
$this->media->set_played(-1, 'Ampache', array());
if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
fread($this->transcoder['stderr'], 4096);
fclose($this->transcoder['stderr']);
}
fclose($this->transcoder['handle']);
Stream::kill_process($this->transcoder);
$this->media = null;
$this->transcoder = null;
}
} else {
$this->media = null;
$this->transcoder = null;
}
if (!strlen($chunk)) {
$chunk = $this->get_chunk();
}
}
}
return $chunk;
}
/**
* update
* This takes a key'd array of data as input and updates a shoutbox entry
*/
public function update(array $data)
{
$sql = "UPDATE `user_shout` SET `text` = ?, `sticky` = ? WHERE `id` = ?";
Dba::write($sql, array($data['comment'], make_bool($data['sticky']), $this->id));
return $this->id;
}
/**
* update_preference
* This function updates a single preference and is called by the update_preferences function
*/
function update_preference($user_id, $name, $pref_id, $value)
{
$apply_check = "check_" . $name;
$level_check = "level_" . $name;
/* First see if they are an administrator and we are applying this to everything */
if ($GLOBALS['user']->has_access(100) and make_bool($_REQUEST[$apply_check])) {
Preference::update_all($pref_id, $value);
return true;
}
/* Check and see if they are an admin and the level def is set */
if ($GLOBALS['user']->has_access(100) and make_bool($_REQUEST[$level_check])) {
Preference::update_level($pref_id, $_REQUEST[$level_check]);
}
/* Else make sure that the current users has the right to do this */
if (Preference::has_access($name)) {
$sql = "UPDATE `user_preference` SET `value` = ? WHERE `preference` = ? AND `user` = ?";
Dba::write($sql, array($value, $pref_id, $user_id));
return true;
}
return false;
}
/**
* _mangle_data
*
* Private convenience function. Mangles the input according to a set
* of predefined rules so that we don't have to include this logic in
* foo_to_sql.
*/
private function _mangle_data($data, $type, $operator)
{
if ($operator['preg_match']) {
$data = preg_replace($operator['preg_match'], $operator['preg_replace'], $data);
}
if ($type == 'numeric') {
return intval($data);
}
if ($type == 'boolean') {
return make_bool($data);
}
return $data;
}
/**
* Get stream types for media type.
* @param string $type
* @return string
*/
public static function get_stream_types_for_type($type, $player = null)
{
$types = array();
$transcode = AmpConfig::get('transcode_' . $type);
if ($player) {
$player_transcode = AmpConfig::get('transcode_player_' . $player . '_' . $type);
if ($player_transcode) {
$transcode = $player_transcode;
}
}
if ($transcode != 'required') {
$types[] = 'native';
}
if (make_bool($transcode)) {
$types[] = 'transcode';
}
return $types;
}
