[SPIP][PLUGINS] v3.0-->v3.2
[lhc/web/www.git] / www / plugins-dist / medias / lib / getid3 / write.id3v1.php
diff --git a/www/plugins-dist/medias/lib/getid3/write.id3v1.php b/www/plugins-dist/medias/lib/getid3/write.id3v1.php
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+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// write.id3v1.php                                             //
+// module for writing ID3v1 tags                               //
+// dependencies: module.tag.id3v1.php                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
+
+class getid3_write_id3v1
+{
+       public $filename;
+       public $filesize;
+       public $tag_data;
+       public $warnings = array(); // any non-critical errors will be stored here
+       public $errors   = array(); // any critical errors will be stored here
+
+       public function __construct() {
+               return true;
+       }
+
+       public function WriteID3v1() {
+               // File MUST be writeable - CHMOD(646) at least
+               if (!empty($this->filename) && is_readable($this->filename) && is_writable($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
+                               }
+                               $this->tag_data['track'] = (isset($this->tag_data['track']) ? $this->tag_data['track'] : (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : (isset($this->tag_data['tracknumber']) ? $this->tag_data['tracknumber'] : '')));
+
+                               $new_id3v1_tag_data = getid3_id3v1::GenerateID3v1Tag(
+                                                                                                               (isset($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']  ) ? $this->tag_data['track']   : ''));
+                               fwrite($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;
+       }
+
+       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($ThisFileInfo['tags']['id3v1'])) {
+                       foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) {
+                               $id3v1data[$key] = implode(',', $value);
+                       }
+                       $this->tag_data = $id3v1data;
+                       return $this->WriteID3v1();
+               }
+               return false;
+       }
+
+       public function RemoveID3v1() {
+               // File MUST be writeable - CHMOD(646) at least
+               if (!empty($this->filename) && is_readable($this->filename) && is_writable($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;
+       }
+
+       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;
+       }
+
+}