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- <?php
- /////////////////////////////////////////////////////////////////
- /// getID3() by James Heinrich <info@getid3.org> //
- // available at http://getid3.sourceforge.net //
- // or http://www.getid3.org //
- /////////////////////////////////////////////////////////////////
- // See readme.txt for more details //
- /////////////////////////////////////////////////////////////////
- // //
- // write.vorbiscomment.php //
- // module for writing VorbisComment tags //
- // dependencies: /helperapps/vorbiscomment.exe //
- // ///
- /////////////////////////////////////////////////////////////////
- class getid3_write_vorbiscomment
- {
- var $filename;
- var $tag_data;
- var $warnings = array(); // any non-critical errors will be stored here
- var $errors = array(); // any critical errors will be stored here
- function getid3_write_vorbiscomment() {
- return true;
- }
- function WriteVorbisComment() {
- if (!ini_get('safe_mode')) {
- // Create file with new comments
- $tempcommentsfilename = tempnam('*', 'getID3');
- if ($fpcomments = @fopen($tempcommentsfilename, 'wb')) {
- foreach ($this->tag_data as $key => $value) {
- foreach ($value as $commentdata) {
- fwrite($fpcomments, $this->CleanVorbisCommentName($key).'='.$commentdata."\n");
- }
- }
- fclose($fpcomments);
- } else {
- $this->errors[] = 'failed to open temporary tags file "'.$tempcommentsfilename.'", tags not written';
- return false;
- }
- $oldignoreuserabort = ignore_user_abort(true);
- if (GETID3_OS_ISWINDOWS) {
- if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) {
- //$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w --raw -c "'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
- // vorbiscomment works fine if you copy-paste the above commandline into a command prompt,
- // but refuses to work with `backtick` if there are "doublequotes" present around BOTH
- // the metaflac pathname and the target filename. For whatever reason...??
- // The solution is simply ensure that the metaflac pathname has no spaces,
- // and therefore does not need to be quoted
- // On top of that, if error messages are not always captured properly under Windows
- // To at least see if there was a problem, compare file modification timestamps before and after writing
- clearstatcache();
- $timestampbeforewriting = filemtime($this->filename);
- $commandline = GETID3_HELPERAPPSDIR.'vorbiscomment.exe -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
- $VorbiscommentError = `$commandline`;
- if (empty($VorbiscommentError)) {
- clearstatcache();
- if ($timestampbeforewriting == filemtime($this->filename)) {
- $VorbiscommentError = 'File modification timestamp has not changed - it looks like the tags were not written';
- }
- }
- } else {
- $VorbiscommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;
- }
- } else {
- $commandline = 'vorbiscomment -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
- $VorbiscommentError = `$commandline`;
- }
- // Remove temporary comments file
- unlink($tempcommentsfilename);
- ignore_user_abort($oldignoreuserabort);
- if (!empty($VorbiscommentError)) {
- $this->errors[] = 'system call to vorbiscomment failed with message: '."\n\n".$VorbiscommentError;
- return false;
- }
- return true;
- }
- $this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call vorbiscomment, tags not written';
- return false;
- }
- function DeleteVorbisComment() {
- $this->tag_data = array(array());
- return $this->WriteVorbisComment();
- }
- function CleanVorbisCommentName($originalcommentname) {
- // A case-insensitive field name that may consist of ASCII 0x20 through 0x7D, 0x3D ('=') excluded.
- // ASCII 0x41 through 0x5A inclusive (A-Z) is to be considered equivalent to ASCII 0x61 through
- // 0x7A inclusive (a-z).
- // replace invalid chars with a space, return uppercase text
- // Thanks Chris Bolt <chris-getid3Øbolt*cx> for improving this function
- // note: ereg_replace() replaces nulls with empty string (not space)
- return strtoupper(ereg_replace('[^ -<>-}]', ' ', str_replace("\x00", ' ', $originalcommentname)));
- }
- }
- ?>
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