home/aidecrea/www/plugins-dist/medias/lib/getid3/write.id3v1.php000044400000013424152502675460020474 0ustar00 // // available at https://github.com/JamesHeinrich/getID3 // // or https://www.getid3.org // // or http://getid3.sourceforge.net // // see readme.txt for more details // ///////////////////////////////////////////////////////////////// // // // write.id3v1.php // // module for writing ID3v1 tags // // dependencies: module.tag.id3v1.php // // /// ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true); class getid3_write_id3v1 { /** * @var string */ public $filename; /** * @var int */ public $filesize; /** * @var array */ public $tag_data; /** * Any non-critical errors will be stored here. * * @var array */ public $warnings = array(); /** * Any critical errors will be stored here. * * @var array */ public $errors = array(); public function __construct() { } /** * @return bool */ public function WriteID3v1() { // File MUST be writeable - CHMOD(646) at least if (!empty($this->filename) && is_readable($this->filename) && getID3::is_writable($this->filename) && is_file($this->filename)) { $this->setRealFileSize(); if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) { $this->errors[] = 'Unable to WriteID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB'; return false; } if ($fp_source = fopen($this->filename, 'r+b')) { fseek($fp_source, -128, SEEK_END); if (fread($fp_source, 3) == 'TAG') { fseek($fp_source, -128, SEEK_END); // overwrite existing ID3v1 tag } else { fseek($fp_source, 0, SEEK_END); // append new ID3v1 tag } $this->tag_data['track_number'] = (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : ''); $new_id3v1_tag_data = getid3_id3v1::GenerateID3v1Tag( (isset($this->tag_data['title'] ) ? $this->tag_data['title'] : ''), (isset($this->tag_data['artist'] ) ? $this->tag_data['artist'] : ''), (isset($this->tag_data['album'] ) ? $this->tag_data['album'] : ''), (isset($this->tag_data['year'] ) ? $this->tag_data['year'] : ''), (isset($this->tag_data['genreid'] ) ? $this->tag_data['genreid'] : ''), (isset($this->tag_data['comment'] ) ? $this->tag_data['comment'] : ''), (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : '')); fwrite($fp_source, $new_id3v1_tag_data, 128); fclose($fp_source); return true; } else { $this->errors[] = 'Could not fopen('.$this->filename.', "r+b")'; return false; } } $this->errors[] = 'File is not writeable: '.$this->filename; return false; } /** * @return bool */ public function FixID3v1Padding() { // ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces // This function rewrites the ID3v1 tag with correct padding // Initialize getID3 engine $getID3 = new getID3; $getID3->option_tag_id3v2 = false; $getID3->option_tag_apetag = false; $getID3->option_tags_html = false; $getID3->option_extra_info = false; $getID3->option_tag_id3v1 = true; $ThisFileInfo = $getID3->analyze($this->filename); if (isset($ThisFileInfo['tags']['id3v1'])) { $id3v1data = array(); foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) { $id3v1data[$key] = implode(',', $value); } $this->tag_data = $id3v1data; return $this->WriteID3v1(); } return false; } /** * @return bool */ public function RemoveID3v1() { // File MUST be writeable - CHMOD(646) at least if (!empty($this->filename) && is_readable($this->filename) && getID3::is_writable($this->filename) && is_file($this->filename)) { $this->setRealFileSize(); if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) { $this->errors[] = 'Unable to RemoveID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB'; return false; } if ($fp_source = fopen($this->filename, 'r+b')) { fseek($fp_source, -128, SEEK_END); if (fread($fp_source, 3) == 'TAG') { ftruncate($fp_source, $this->filesize - 128); } else { // no ID3v1 tag to begin with - do nothing } fclose($fp_source); return true; } else { $this->errors[] = 'Could not fopen('.$this->filename.', "r+b")'; } } else { $this->errors[] = $this->filename.' is not writeable'; } return false; } /** * @return bool */ public function setRealFileSize() { if (PHP_INT_MAX > 2147483647) { $this->filesize = filesize($this->filename); return true; } // 32-bit PHP will not return correct values for filesize() if file is >=2GB // but getID3->analyze() has workarounds to get actual filesize $getID3 = new getID3; $getID3->option_tag_id3v1 = false; $getID3->option_tag_id3v2 = false; $getID3->option_tag_apetag = false; $getID3->option_tags_html = false; $getID3->option_extra_info = false; $ThisFileInfo = $getID3->analyze($this->filename); $this->filesize = $ThisFileInfo['filesize']; return true; } }