diff options
Diffstat (limited to 'srcs/wordpress/wp-includes/ID3/getid3.php')
| -rw-r--r-- | srcs/wordpress/wp-includes/ID3/getid3.php | 2181 |
1 files changed, 2181 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/getid3.php b/srcs/wordpress/wp-includes/ID3/getid3.php new file mode 100644 index 0000000..cb25253 --- /dev/null +++ b/srcs/wordpress/wp-includes/ID3/getid3.php @@ -0,0 +1,2181 @@ +<?php +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// available at https://github.com/JamesHeinrich/getID3 // +// or https://www.getid3.org // +// or http://getid3.sourceforge.net // +// // +// Please see readme.txt for more information // +// /// +///////////////////////////////////////////////////////////////// + +// define a constant rather than looking up every time it is needed +if (!defined('GETID3_OS_ISWINDOWS')) { + define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0)); +} +// Get base path of getID3() - ONCE +if (!defined('GETID3_INCLUDEPATH')) { + define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR); +} +// Workaround Bug #39923 (https://bugs.php.net/bug.php?id=39923) +if (!defined('IMG_JPG') && defined('IMAGETYPE_JPEG')) { + define('IMG_JPG', IMAGETYPE_JPEG); +} +if (!defined('ENT_SUBSTITUTE')) { // PHP5.3 adds ENT_IGNORE, PHP5.4 adds ENT_SUBSTITUTE + define('ENT_SUBSTITUTE', (defined('ENT_IGNORE') ? ENT_IGNORE : 8)); +} + +/* +https://www.getid3.org/phpBB3/viewtopic.php?t=2114 +If you are running into a the problem where filenames with special characters are being handled +incorrectly by external helper programs (e.g. metaflac), notably with the special characters removed, +and you are passing in the filename in UTF8 (typically via a HTML form), try uncommenting this line: +*/ +//setlocale(LC_CTYPE, 'en_US.UTF-8'); + +// attempt to define temp dir as something flexible but reliable +$temp_dir = ini_get('upload_tmp_dir'); +if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) { + $temp_dir = ''; +} +if (!$temp_dir && function_exists('sys_get_temp_dir')) { // sys_get_temp_dir added in PHP v5.2.1 + // sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts + $temp_dir = sys_get_temp_dir(); +} +$temp_dir = @realpath($temp_dir); // see https://github.com/JamesHeinrich/getID3/pull/10 +$open_basedir = ini_get('open_basedir'); +if ($open_basedir) { + // e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/" + $temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir); + $open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir); + if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) { + $temp_dir .= DIRECTORY_SEPARATOR; + } + $found_valid_tempdir = false; + $open_basedirs = explode(PATH_SEPARATOR, $open_basedir); + foreach ($open_basedirs as $basedir) { + if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) { + $basedir .= DIRECTORY_SEPARATOR; + } + if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) { + $found_valid_tempdir = true; + break; + } + } + if (!$found_valid_tempdir) { + $temp_dir = ''; + } + unset($open_basedirs, $found_valid_tempdir, $basedir); +} +if (!$temp_dir) { + $temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir +} +// $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system +if (!defined('GETID3_TEMP_DIR')) { + define('GETID3_TEMP_DIR', $temp_dir); +} +unset($open_basedir, $temp_dir); + +// End: Defines + + +class getID3 +{ + /* + * Settings + */ + + /** + * CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE + * + * @var string + */ + public $encoding = 'UTF-8'; + + /** + * Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252' + * + * @var string + */ + public $encoding_id3v1 = 'ISO-8859-1'; + + /* + * Optional tag checks - disable for speed. + */ + + /** + * Read and process ID3v1 tags + * + * @var bool + */ + public $option_tag_id3v1 = true; + + /** + * Read and process ID3v2 tags + * + * @var bool + */ + public $option_tag_id3v2 = true; + + /** + * Read and process Lyrics3 tags + * + * @var bool + */ + public $option_tag_lyrics3 = true; + + /** + * Read and process APE tags + * + * @var bool + */ + public $option_tag_apetag = true; + + /** + * Copy tags to root key 'tags' and encode to $this->encoding + * + * @var bool + */ + public $option_tags_process = true; + + /** + * Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities + * + * @var bool + */ + public $option_tags_html = true; + + /* + * Optional tag/comment calculations + */ + + /** + * Calculate additional info such as bitrate, channelmode etc + * + * @var bool + */ + public $option_extra_info = true; + + /* + * Optional handling of embedded attachments (e.g. images) + */ + + /** + * Defaults to true (ATTACHMENTS_INLINE) for backward compatibility + * + * @var bool|string + */ + public $option_save_attachments = true; + + /* + * Optional calculations + */ + + /** + * Get MD5 sum of data part - slow + * + * @var bool + */ + public $option_md5_data = false; + + /** + * Use MD5 of source file if availble - only FLAC and OptimFROG + * + * @var bool + */ + public $option_md5_data_source = false; + + /** + * Get SHA1 sum of data part - slow + * + * @var bool + */ + public $option_sha1_data = false; + + /** + * Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on + * PHP_INT_MAX) + * + * @var bool|null + */ + public $option_max_2gb_check; + + /** + * Read buffer size in bytes + * + * @var int + */ + public $option_fread_buffer_size = 32768; + + // Public variables + + /** + * Filename of file being analysed. + * + * @var string + */ + public $filename; + + /** + * Filepointer to file being analysed. + * + * @var resource + */ + public $fp; + + /** + * Result array. + * + * @var array + */ + public $info; + + /** + * @var string + */ + public $tempdir = GETID3_TEMP_DIR; + + /** + * @var int + */ + public $memory_limit = 0; + + /** + * @var string + */ + protected $startup_error = ''; + + /** + * @var string + */ + protected $startup_warning = ''; + + const VERSION = '1.9.18-201907240906'; + const FREAD_BUFFER_SIZE = 32768; + + const ATTACHMENTS_NONE = false; + const ATTACHMENTS_INLINE = true; + + public function __construct() { + + // Check for PHP version + $required_php_version = '5.3.0'; + if (version_compare(PHP_VERSION, $required_php_version, '<')) { + $this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION."\n"; + return; + } + + // Check memory + $this->memory_limit = ini_get('memory_limit'); + if (preg_match('#([0-9]+) ?M#i', $this->memory_limit, $matches)) { + // could be stored as "16M" rather than 16777216 for example + $this->memory_limit = $matches[1] * 1048576; + } elseif (preg_match('#([0-9]+) ?G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0 + // could be stored as "2G" rather than 2147483648 for example + $this->memory_limit = $matches[1] * 1073741824; + } + if ($this->memory_limit <= 0) { + // memory limits probably disabled + } elseif ($this->memory_limit <= 4194304) { + $this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'."\n"; + } elseif ($this->memory_limit <= 12582912) { + $this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini'."\n"; + } + + // Check safe_mode off + if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { + $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); + } + + if (($mbstring_func_overload = ini_get('mbstring.func_overload')) && ($mbstring_func_overload & 0x02)) { + // http://php.net/manual/en/mbstring.overload.php + // "mbstring.func_overload in php.ini is a positive value that represents a combination of bitmasks specifying the categories of functions to be overloaded. It should be set to 1 to overload the mail() function. 2 for string functions, 4 for regular expression functions" + // getID3 cannot run when string functions are overloaded. It doesn't matter if mail() or ereg* functions are overloaded since getID3 does not use those. + $this->startup_error .= 'WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", getID3 cannot run with this setting (bitmask 2 (string functions) cannot be set). Recommended to disable entirely.'."\n"; + } + + // WORDPRESS CHANGE FROM UPSTREAM + // Comment out deprecated function + /* + // Check for magic_quotes_runtime + if (function_exists('get_magic_quotes_runtime')) { + if (get_magic_quotes_runtime()) { + $this->startup_error .= 'magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).'."\n"; + } + } + + // Check for magic_quotes_gpc + if (function_exists('magic_quotes_gpc')) { + if (get_magic_quotes_gpc()) { + $this->startup_error .= 'magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).'."\n"; + } + } + **/ + + // Load support library + if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) { + $this->startup_error .= 'getid3.lib.php is missing or corrupt'."\n"; + } + + if ($this->option_max_2gb_check === null) { + $this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647); + } + + + // Needed for Windows only: + // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC + // as well as other helper functions such as head, etc + // This path cannot contain spaces, but the below code will attempt to get the + // 8.3-equivalent path automatically + // IMPORTANT: This path must include the trailing slash + if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { + + $helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path + + if (!is_dir($helperappsdir)) { + $this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'."\n"; + } elseif (strpos(realpath($helperappsdir), ' ') !== false) { + $DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir)); + $path_so_far = array(); + foreach ($DirPieces as $key => $value) { + if (strpos($value, ' ') !== false) { + if (!empty($path_so_far)) { + $commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far)); + $dir_listing = `$commandline`; + $lines = explode("\n", $dir_listing); + foreach ($lines as $line) { + $line = trim($line); + if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) { + list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches; + if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) { + $value = $shortname; + } + } + } + } else { + $this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.'."\n"; + } + } + $path_so_far[] = $value; + } + $helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far); + } + define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR); + } + + if (!empty($this->startup_error)) { + echo $this->startup_error; + throw new getid3_exception($this->startup_error); + } + } + + /** + * @return string + */ + public function version() { + return self::VERSION; + } + + /** + * @return int + */ + public function fread_buffer_size() { + return $this->option_fread_buffer_size; + } + + /** + * @param array $optArray + * + * @return bool + */ + public function setOption($optArray) { + if (!is_array($optArray) || empty($optArray)) { + return false; + } + foreach ($optArray as $opt => $val) { + if (isset($this->$opt) === false) { + continue; + } + $this->$opt = $val; + } + return true; + } + + /** + * @param string $filename + * @param int $filesize + * + * @return bool + * + * @throws getid3_exception + */ + public function openfile($filename, $filesize=null, $fp=null) { + try { + if (!empty($this->startup_error)) { + throw new getid3_exception($this->startup_error); + } + if (!empty($this->startup_warning)) { + foreach (explode("\n", $this->startup_warning) as $startup_warning) { + $this->warning($startup_warning); + } + } + + // init result array and set parameters + $this->filename = $filename; + $this->info = array(); + $this->info['GETID3_VERSION'] = $this->version(); + $this->info['php_memory_limit'] = (($this->memory_limit > 0) ? $this->memory_limit : false); + + // remote files not supported + if (preg_match('#^(ht|f)tp://#', $filename)) { + throw new getid3_exception('Remote files are not supported - please copy the file locally first'); + } + + $filename = str_replace('/', DIRECTORY_SEPARATOR, $filename); + //$filename = preg_replace('#(?<!gs:)('.preg_quote(DIRECTORY_SEPARATOR).'{2,})#', DIRECTORY_SEPARATOR, $filename); + + // open local file + //if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see https://www.getid3.org/phpBB3/viewtopic.php?t=1720 + if (($fp != null) && ((get_resource_type($fp) == 'file') || (get_resource_type($fp) == 'stream'))) { + $this->fp = $fp; + } elseif ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { + // great + } else { + $errormessagelist = array(); + if (!is_readable($filename)) { + $errormessagelist[] = '!is_readable'; + } + if (!is_file($filename)) { + $errormessagelist[] = '!is_file'; + } + if (!file_exists($filename)) { + $errormessagelist[] = '!file_exists'; + } + if (empty($errormessagelist)) { + $errormessagelist[] = 'fopen failed'; + } + throw new getid3_exception('Could not open "'.$filename.'" ('.implode('; ', $errormessagelist).')'); + } + + $this->info['filesize'] = (!is_null($filesize) ? $filesize : filesize($filename)); + // set redundant parameters - might be needed in some include file + // filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion + $filename = str_replace('\\', '/', $filename); + $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); + $this->info['filename'] = getid3_lib::mb_basename($filename); + $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; + + // set more parameters + $this->info['avdataoffset'] = 0; + $this->info['avdataend'] = $this->info['filesize']; + $this->info['fileformat'] = ''; // filled in later + $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used + $this->info['video']['dataformat'] = ''; // filled in later, unset if not used + $this->info['tags'] = array(); // filled in later, unset if not used + $this->info['error'] = array(); // filled in later, unset if not used + $this->info['warning'] = array(); // filled in later, unset if not used + $this->info['comments'] = array(); // filled in later, unset if not used + $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired + + // option_max_2gb_check + if ($this->option_max_2gb_check) { + // PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB) + // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize + // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer + $fseek = fseek($this->fp, 0, SEEK_END); + if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) || + ($this->info['filesize'] < 0) || + (ftell($this->fp) < 0)) { + $real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); + + if ($real_filesize === false) { + unset($this->info['filesize']); + fclose($this->fp); + throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.'); + } elseif (getid3_lib::intValueSupported($real_filesize)) { + unset($this->info['filesize']); + fclose($this->fp); + throw new getid3_exception('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize / 1073741824, 3).'GB, please report to info@getid3.org'); + } + $this->info['filesize'] = $real_filesize; + $this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize / 1073741824, 3).'GB) and is not properly supported by PHP.'); + } + } + + return true; + + } catch (Exception $e) { + $this->error($e->getMessage()); + } + return false; + } + + /** + * analyze file + * + * @param string $filename + * @param int $filesize + * @param string $original_filename + * + * @return array + */ + public function analyze($filename, $filesize=null, $original_filename='', $fp=null) { + try { + if (!$this->openfile($filename, $filesize, $fp)) { + return $this->info; + } + + // Handle tags + foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { + $option_tag = 'option_tag_'.$tag_name; + if ($this->$option_tag) { + $this->include_module('tag.'.$tag_name); + try { + $tag_class = 'getid3_'.$tag_name; + $tag = new $tag_class($this); + $tag->Analyze(); + } + catch (getid3_exception $e) { + throw $e; + } + } + } + if (isset($this->info['id3v2']['tag_offset_start'])) { + $this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']); + } + foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { + if (isset($this->info[$tag_key]['tag_offset_start'])) { + $this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']); + } + } + + // ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier + if (!$this->option_tag_id3v2) { + fseek($this->fp, 0); + $header = fread($this->fp, 10); + if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) { + $this->info['id3v2']['header'] = true; + $this->info['id3v2']['majorversion'] = ord($header[3]); + $this->info['id3v2']['minorversion'] = ord($header[4]); + $this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length + } + } + + // read 32 kb file data + fseek($this->fp, $this->info['avdataoffset']); + $formattest = fread($this->fp, 32774); + + // determine format + $determined_format = $this->GetFileFormat($formattest, ($original_filename ? $original_filename : $filename)); + + // unable to determine file format + if (!$determined_format) { + fclose($this->fp); + return $this->error('unable to determine file format'); + } + + // check for illegal ID3 tags + if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { + if ($determined_format['fail_id3'] === 'ERROR') { + fclose($this->fp); + return $this->error('ID3 tags not allowed on this file type.'); + } elseif ($determined_format['fail_id3'] === 'WARNING') { + $this->warning('ID3 tags not allowed on this file type.'); + } + } + + // check for illegal APE tags + if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { + if ($determined_format['fail_ape'] === 'ERROR') { + fclose($this->fp); + return $this->error('APE tags not allowed on this file type.'); + } elseif ($determined_format['fail_ape'] === 'WARNING') { + $this->warning('APE tags not allowed on this file type.'); + } + } + + // set mime type + $this->info['mime_type'] = $determined_format['mime_type']; + + // supported format signature pattern detected, but module deleted + if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { + fclose($this->fp); + return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.'); + } + + // module requires mb_convert_encoding/iconv support + // Check encoding/iconv support + if (!empty($determined_format['iconv_req']) && !function_exists('mb_convert_encoding') && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) { + $errormessage = 'mb_convert_encoding() or iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; + if (GETID3_OS_ISWINDOWS) { + $errormessage .= 'PHP does not have mb_convert_encoding() or iconv() support. Please enable php_mbstring.dll / php_iconv.dll in php.ini, and copy php_mbstring.dll / iconv.dll from c:/php/dlls to c:/windows/system32'; + } else { + $errormessage .= 'PHP is not compiled with mb_convert_encoding() or iconv() support. Please recompile with the --enable-mbstring / --with-iconv switch'; + } + return $this->error($errormessage); + } + + // include module + include_once(GETID3_INCLUDEPATH.$determined_format['include']); + + // instantiate module class + $class_name = 'getid3_'.$determined_format['module']; + if (!class_exists($class_name)) { + return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.'); + } + $class = new $class_name($this); + $class->Analyze(); + unset($class); + + // close file + fclose($this->fp); + + // process all tags - copy to 'tags' and convert charsets + if ($this->option_tags_process) { + $this->HandleAllTags(); + } + + // perform more calculations + if ($this->option_extra_info) { + $this->ChannelsBitratePlaytimeCalculations(); + $this->CalculateCompressionRatioVideo(); + $this->CalculateCompressionRatioAudio(); + $this->CalculateReplayGain(); + $this->ProcessAudioStreams(); + } + + // get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags + if ($this->option_md5_data) { + // do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too + if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { + $this->getHashdata('md5'); + } + } + + // get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags + if ($this->option_sha1_data) { + $this->getHashdata('sha1'); + } + + // remove undesired keys + $this->CleanUp(); + + } catch (Exception $e) { + $this->error('Caught exception: '.$e->getMessage()); + } + + // return info array + return $this->info; + } + + + /** + * Error handling. + * + * @param string $message + * + * @return array + */ + public function error($message) { + $this->CleanUp(); + if (!isset($this->info['error'])) { + $this->info['error'] = array(); + } + $this->info['error'][] = $message; + return $this->info; + } + + + /** + * Warning handling. + * + * @param string $message + * + * @return bool + */ + public function warning($message) { + $this->info['warning'][] = $message; + return true; + } + + + /** + * @return bool + */ + private function CleanUp() { + + // remove possible empty keys + $AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate'); + foreach ($AVpossibleEmptyKeys as $dummy => $key) { + if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { + unset($this->info['audio'][$key]); + } + if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { + unset($this->info['video'][$key]); + } + } + + // remove empty root keys + if (!empty($this->info)) { + foreach ($this->info as $key => $value) { + if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { + unset($this->info[$key]); + } + } + } + + // remove meaningless entries from unknown-format files + if (empty($this->info['fileformat'])) { + if (isset($this->info['avdataoffset'])) { + unset($this->info['avdataoffset']); + } + if (isset($this->info['avdataend'])) { + unset($this->info['avdataend']); + } + } + + // remove possible duplicated identical entries + if (!empty($this->info['error'])) { + $this->info['error'] = array_values(array_unique($this->info['error'])); + } + if (!empty($this->info['warning'])) { + $this->info['warning'] = array_values(array_unique($this->info['warning'])); + } + + // remove "global variable" type keys + unset($this->info['php_memory_limit']); + + return true; + } + + /** + * Return array containing information about all supported formats. + * + * @return array + */ + public function GetFileFormatArray() { + static $format_info = array(); + if (empty($format_info)) { + $format_info = array( + + // Audio formats + + // AC-3 - audio - Dolby AC-3 / Dolby Digital + 'ac3' => array( + 'pattern' => '^\\x0B\\x77', + 'group' => 'audio', + 'module' => 'ac3', + 'mime_type' => 'audio/ac3', + ), + + // AAC - audio - Advanced Audio Coding (AAC) - ADIF format + 'adif' => array( + 'pattern' => '^ADIF', + 'group' => 'audio', + 'module' => 'aac', + 'mime_type' => 'audio/aac', + 'fail_ape' => 'WARNING', + ), + +/* + // AA - audio - Audible Audiobook + 'aa' => array( + 'pattern' => '^.{4}\\x57\\x90\\x75\\x36', + 'group' => 'audio', + 'module' => 'aa', + 'mime_type' => 'audio/audible', + ), +*/ + // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) + 'adts' => array( + 'pattern' => '^\\xFF[\\xF0-\\xF1\\xF8-\\xF9]', + 'group' => 'audio', + 'module' => 'aac', + 'mime_type' => 'audio/aac', + 'fail_ape' => 'WARNING', + ), + + + // AU - audio - NeXT/Sun AUdio (AU) + 'au' => array( + 'pattern' => '^\\.snd', + 'group' => 'audio', + 'module' => 'au', + 'mime_type' => 'audio/basic', + ), + + // AMR - audio - Adaptive Multi Rate + 'amr' => array( + 'pattern' => '^\\x23\\x21AMR\\x0A', // #!AMR[0A] + 'group' => 'audio', + 'module' => 'amr', + 'mime_type' => 'audio/amr', + ), + + // AVR - audio - Audio Visual Research + 'avr' => array( + 'pattern' => '^2BIT', + 'group' => 'audio', + 'module' => 'avr', + 'mime_type' => 'application/octet-stream', + ), + + // BONK - audio - Bonk v0.9+ + 'bonk' => array( + 'pattern' => '^\\x00(BONK|INFO|META| ID3)', + 'group' => 'audio', + 'module' => 'bonk', + 'mime_type' => 'audio/xmms-bonk', + ), + + // DSF - audio - Direct Stream Digital (DSD) Storage Facility files (DSF) - https://en.wikipedia.org/wiki/Direct_Stream_Digital + 'dsf' => array( + 'pattern' => '^DSD ', // including trailing space: 44 53 44 20 + 'group' => 'audio', + 'module' => 'dsf', + 'mime_type' => 'audio/dsd', + ), + + // DSS - audio - Digital Speech Standard + 'dss' => array( + 'pattern' => '^[\\x02-\\x08]ds[s2]', + 'group' => 'audio', + 'module' => 'dss', + 'mime_type' => 'application/octet-stream', + ), + + // DTS - audio - Dolby Theatre System + 'dts' => array( + 'pattern' => '^\\x7F\\xFE\\x80\\x01', + 'group' => 'audio', + 'module' => 'dts', + 'mime_type' => 'audio/dts', + ), + + // FLAC - audio - Free Lossless Audio Codec + 'flac' => array( + 'pattern' => '^fLaC', + 'group' => 'audio', + 'module' => 'flac', + 'mime_type' => 'audio/flac', + ), + + // LA - audio - Lossless Audio (LA) + 'la' => array( + 'pattern' => '^LA0[2-4]', + 'group' => 'audio', + 'module' => 'la', + 'mime_type' => 'application/octet-stream', + ), + + // LPAC - audio - Lossless Predictive Audio Compression (LPAC) + 'lpac' => array( + 'pattern' => '^LPAC', + 'group' => 'audio', + 'module' => 'lpac', + 'mime_type' => 'application/octet-stream', + ), + + // MIDI - audio - MIDI (Musical Instrument Digital Interface) + 'midi' => array( + 'pattern' => '^MThd', + 'group' => 'audio', + 'module' => 'midi', + 'mime_type' => 'audio/midi', + ), + + // MAC - audio - Monkey's Audio Compressor + 'mac' => array( + 'pattern' => '^MAC ', + 'group' => 'audio', + 'module' => 'monkey', + 'mime_type' => 'audio/x-monkeys-audio', + ), + +// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available +// // MOD - audio - MODule (assorted sub-formats) +// 'mod' => array( +// 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)', +// 'group' => 'audio', +// 'module' => 'mod', +// 'option' => 'mod', +// 'mime_type' => 'audio/mod', +// ), + + // MOD - audio - MODule (Impulse Tracker) + 'it' => array( + 'pattern' => '^IMPM', + 'group' => 'audio', + 'module' => 'mod', + //'option' => 'it', + 'mime_type' => 'audio/it', + ), + + // MOD - audio - MODule (eXtended Module, various sub-formats) + 'xm' => array( + 'pattern' => '^Extended Module', + 'group' => 'audio', + 'module' => 'mod', + //'option' => 'xm', + 'mime_type' => 'audio/xm', + ), + + // MOD - audio - MODule (ScreamTracker) + 's3m' => array( + 'pattern' => '^.{44}SCRM', + 'group' => 'audio', + 'module' => 'mod', + //'option' => 's3m', + 'mime_type' => 'audio/s3m', + ), + + // MPC - audio - Musepack / MPEGplus + 'mpc' => array( + 'pattern' => '^(MPCK|MP\\+|[\\x00\\x01\\x10\\x11\\x40\\x41\\x50\\x51\\x80\\x81\\x90\\x91\\xC0\\xC1\\xD0\\xD1][\\x20-\\x37][\\x00\\x20\\x40\\x60\\x80\\xA0\\xC0\\xE0])', + 'group' => 'audio', + 'module' => 'mpc', + 'mime_type' => 'audio/x-musepack', + ), + + // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) + 'mp3' => array( + 'pattern' => '^\\xFF[\\xE2-\\xE7\\xF2-\\xF7\\xFA-\\xFF][\\x00-\\x0B\\x10-\\x1B\\x20-\\x2B\\x30-\\x3B\\x40-\\x4B\\x50-\\x5B\\x60-\\x6B\\x70-\\x7B\\x80-\\x8B\\x90-\\x9B\\xA0-\\xAB\\xB0-\\xBB\\xC0-\\xCB\\xD0-\\xDB\\xE0-\\xEB\\xF0-\\xFB]', + 'group' => 'audio', + 'module' => 'mp3', + 'mime_type' => 'audio/mpeg', + ), + + // OFR - audio - OptimFROG + 'ofr' => array( + 'pattern' => '^(\\*RIFF|OFR)', + 'group' => 'audio', + 'module' => 'optimfrog', + 'mime_type' => 'application/octet-stream', + ), + + // RKAU - audio - RKive AUdio compressor + 'rkau' => array( + 'pattern' => '^RKA', + 'group' => 'audio', + 'module' => 'rkau', + 'mime_type' => 'application/octet-stream', + ), + + // SHN - audio - Shorten + 'shn' => array( + 'pattern' => '^ajkg', + 'group' => 'audio', + 'module' => 'shorten', + 'mime_type' => 'audio/xmms-shn', + 'fail_id3' => 'ERROR', + 'fail_ape' => 'ERROR', + ), + + // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) + 'tta' => array( + 'pattern' => '^TTA', // could also be '^TTA(\\x01|\\x02|\\x03|2|1)' + 'group' => 'audio', + 'module' => 'tta', + 'mime_type' => 'application/octet-stream', + ), + + // VOC - audio - Creative Voice (VOC) + 'voc' => array( + 'pattern' => '^Creative Voice File', + 'group' => 'audio', + 'module' => 'voc', + 'mime_type' => 'audio/voc', + ), + + // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) + 'vqf' => array( + 'pattern' => '^TWIN', + 'group' => 'audio', + 'module' => 'vqf', + 'mime_type' => 'application/octet-stream', + ), + + // WV - audio - WavPack (v4.0+) + 'wv' => array( + 'pattern' => '^wvpk', + 'group' => 'audio', + 'module' => 'wavpack', + 'mime_type' => 'application/octet-stream', + ), + + + // Audio-Video formats + + // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio + 'asf' => array( + 'pattern' => '^\\x30\\x26\\xB2\\x75\\x8E\\x66\\xCF\\x11\\xA6\\xD9\\x00\\xAA\\x00\\x62\\xCE\\x6C', + 'group' => 'audio-video', + 'module' => 'asf', + 'mime_type' => 'video/x-ms-asf', + 'iconv_req' => false, + ), + + // BINK - audio/video - Bink / Smacker + 'bink' => array( + 'pattern' => '^(BIK|SMK)', + 'group' => 'audio-video', + 'module' => 'bink', + 'mime_type' => 'application/octet-stream', + ), + + // FLV - audio/video - FLash Video + 'flv' => array( + 'pattern' => '^FLV[\\x01]', + 'group' => 'audio-video', + 'module' => 'flv', + 'mime_ty |