263 lines
12 KiB
PHP
263 lines
12 KiB
PHP
<?php
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class RippingCluster_Source_Plugin_MkvInfo extends RippingCluster_PluginBase implements RippingCluster_Source_IPlugin {
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/**
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* Name of this plugin
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* @var string
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*/
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const PLUGIN_NAME = 'MkvInfo';
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/**
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* Name of the config setting that stores the list of source directories for this pluing
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* @var string
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*/
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const CONFIG_SOURCE_DIR = 'source.mkvinfo.dir';
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const PM_HEADERS = 0;
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const PM_TRACK = 1;
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const PM_TITLE = 2;
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const PM_CHAPTER = 3;
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const PM_AUDIO = 4;
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const PM_SUBTITLE = 5;
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/**
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* Returns a list of all Sources discovered by this plugin.
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*
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* The sources are not scanned until specifically requested.
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*
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* @return array(RippingCluster_Source)
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*/
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public static function enumerate() {
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$config = RippingCluster_Main::instance()->config();
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$directories = $config->get(self::CONFIG_SOURCE_DIR);
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$sources = array();
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foreach ($directories as $directory) {
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if (!is_dir($directory)) {
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throw new RippingCluster_Exception_InvalidSourceDirectory($directory);
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}
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$iterator = new RippingCluster_Utility_MkvFileIterator(new RecursiveIteratorIterator(new RippingCluster_Utility_VisibleFilesRecursiveIterator(new RecursiveDirectoryIterator($directory))));
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foreach ($iterator as /** @var SplFileInfo */ $source_mkv) {
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$sources[] = self::load($source_mkv->getPathname(), false);
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}
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}
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return $sources;
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}
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/**
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* Creates an object to represent the given source.
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*
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* The source is not actually scanned unless specifically requested.
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* An unscanned object cannot be used until it has been manually scanned.
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*
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* If requested, the source can be cached to prevent high load, and long scan times.
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*
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* @param string $source_filename Filename of the source
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* @param bool $scan Request that the source be scanned for content. Defaults to true.
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* @param bool $use_cache Request that the cache be used. Defaults to true.
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* @return RippingCluster_Source
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*/
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public static function load($source_filename, $scan = true, $use_cache = true) {
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$cache = RippingCluster_Main::instance()->cache();
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$config = RippingCluster_Main::instance()->config();
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// Ensure the source is a valid directory, and lies below the configured source_dir
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if ( ! self::isValidSource($source_filename)) {
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return new RippingCluster_Source($source_filename, self::name(), false);
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}
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$source = null;
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if ($use_cache && $cache->exists($source_filename)) {
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$source = unserialize($cache->fetch($source_filename));
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} else {
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$source = new RippingCluster_Source($source_filename, self::name(), true);
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if ($scan) {
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$cmd = escapeshellcmd($config->get('source.mkvinfo.bin')) . ' ' . escapeshellarg($source_filename);
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list($retval, $output, $error) = RippingCluster_ForegroundTask::execute($cmd);
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// Process the output
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$lines = explode("\n", $output);
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$track = null;
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$track_details = null;
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$duration = null;
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$mode = self::PM_HEADERS;
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foreach ($lines as $line) {
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// Skip any line that doesn't begin with a |+ (with optional whitespace)
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if ( ! preg_match('/^|\s*\+/', $line)) {
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continue;
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}
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$matches = array();
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switch (true) {
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case $mode == self::PM_HEADERS && preg_match('/^| \+ Duration: [\d\.]+s ([\d:]+])$/', $line, $matches): {
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$duration = $matches['duration'];
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} break;
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case preg_match('/^| \+ A track$/', $line, $matches): {
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$mode = self::PM_TRACK;
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$track_details = array();
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} break;
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case $mode == self::PM_TRACK && preg_match('/^| \+ Track number: (?P<id>\d+):$/', $line, $matches): {
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$track_details['id'] = $matches['id'];
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} break;
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case $mode == self::PM_TRACK && preg_match('/^| \+ Track type: (?P<type>.+)$/', $line, $matches): {
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switch ($type) {
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case 'video': {
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$mode = self::PM_TITLE;
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$track = new RippingCluster_Rips_SourceTitle($track_details['id']);
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$track->setDuration($duration);
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} break;
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case 'audio': {
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$mode = self::PM_AUDIO;
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$track = new RippingCluster_Rips_SourceAudioTrack($track_details['id']);
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} break;
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case 'subtitles': {
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$mode = self::PM_SUBTITLE;
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$track = new RippingCluster_Rips_SourceSubtitleTrack($track_details['id']);
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} break;
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}
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} break;
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case $mode == self::PM_AUDIO && $track && preg_match('/^| \+ Codec ID: (?P<codec>.+)$/', $line, $matches): {
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$track->setFormat($matches['codec']);
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} break;
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case $mode == self::PM_AUDIO && $track && preg_match('/^| \+ Language: (?P<language>.+)$/', $line, $matches): {
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$track->setLanguage($matches['language']);
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} break;
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case $mode == self::PM_AUDIO && $track && preg_match('/^| \+ Sampling frequency: (?P<samplerate>.+)$/', $line, $matches): {
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$track->setSampleRate($matches['samplerate']);
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} break;
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case $mode == self::PM_AUDIO && $track && preg_match('/^| \+ Channels: (?P<channels>.+)$/', $line, $matches): {
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$track->setFormat($matches['channels']);
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} break;
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case $mode == self::PM_SUBTITLE && $track && preg_match('/^| \+ Language: (?P<language>.*)$/', $line): {
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$track->setLanguage($matches['language']);
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} break;
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case $mode == self::PM_TITLE && $track && preg_match('/^ \+ Default duration: [\d\.]+ \((?P<framerate>[\d\.]+ fps for a video track)\)$/', $line, $matches): {
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$title->setFramerate($matches['framerate']);
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} break;
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case $mode == self::PM_TITLE && $track && preg_match('/^ \+ Pixel width: (?P<width>\d+)$/', $line, $matches): {
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$title->setWidth($matches['width']);
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} break;
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case $mode == self::PM_TITLE && $track && preg_match('/^ \+ Pixel height: (?P<height>\d+)$/', $line, $matches): {
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$title->setHeight($matches['height']);
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} break;
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case $title && $mode == self::PM_CHAPTER && preg_match('/^ \+ (?P<id>\d+): cells \d+->\d+, \d+ blocks, duration (?P<duration>\d+:\d+:\d+)$/', $line, $matches): {
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$title->addChapter($matches['id'], $matches['duration']);
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} break;
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case $title && $mode == self::PM_AUDIO && preg_match('/^ \+ (?P<id>\d+), (?P<name>.+) \((?P<format>.+)\) \((?P<channels>(.+ ch|Dolby Surround))\) \((?P<language>.+)\), (?P<samplerate>\d+)Hz, (?P<bitrate>\d+)bps$/', $line, $matches): {
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$title->addAudioTrack(
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new RippingCluster_Rips_SourceAudioTrack(
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$matches['id'], $matches['name'], $matches['format'], $matches['channels'],
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$matches['language'], $matches['samplerate'], $matches['bitrate']
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)
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);
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} break;
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case $title && $mode == self::PM_SUBTITLE && preg_match('/^ \+ (?P<id>\d+), (?P<name>.+) \((?P<language>.+)\) \((?P<format>.+)\)$/', $line, $matches): {
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$title->addSubtitleTrack(
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new RippingCluster_Rips_SourceSubtitleTrack(
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$matches['id'], $matches['name'], $matches['language'], $matches['format']
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)
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);
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} break;
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default: {
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// Ignore this unmatched line
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} break;
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}
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}
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}
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// If requested, store the new source object in the cache
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if ($use_cache) {
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$source->cache();
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}
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}
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}
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/**
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* Creates an object to represent the given source using an encoded filename.
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*
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* Wraps the call to load the source after the filename has been decoded.
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*
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* @param string $encoded_filename Encoded filename of the source
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* @param bool $scan Request that the source be scanned for content. Defaults to true.
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* @param bool $use_cache Request that the cache be used. Defaults to true.
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* @return RippingCluster_Source
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*
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* @see RippingCluster_Source_IPlugin::load()
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*/
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public static function loadEncoded($encoded_filename, $scan = true, $use_cache = true) {
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// Decode the filename
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$source_filename = base64_decode(str_replace('-', '/', $encoded_filename));
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return self::load($source_filename, $scan, $use_cache);
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}
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/**
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* Determins if a filename is a valid source loadable using this plugin
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*
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* @param string $source_filename Filename of the source
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* @return bool
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*/
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public static function isValidSource($source_filename) {
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$config = RippingCluster_Main::instance()->config();
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// Ensure the source is a valid directory, and lies below the configured source_dir
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if ( ! is_dir($source_filename)) {
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return false;
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}
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$real_source_filename = realpath($source_filename);
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// Check all of the source directories specified in the config
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$source_directories = $config->get(self::CONFIG_SOURCE_DIR);
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foreach ($source_directories as $source_basedir) {
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$real_source_basedir = realpath($source_basedir);
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if (substr($real_source_filename, 0, strlen($real_source_basedir)) != $real_source_basedir) {
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return false;
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}
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}
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return true;
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}
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/**
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* Permanently deletes the given source from disk
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*
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* @param RippingCluster_Source $source Source object to be deleted
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* @return bool
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*/
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public static function delete($source_filename) {
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if ( ! self::isValidSource($source_filename)) {
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return false;
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}
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return unlink($source_filename);
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}
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}
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?>
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