ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
write.vorbiscomment.php
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1<?php
4// available at http://getid3.sourceforge.net //
5// or http://www.getid3.org //
7// See readme.txt for more details //
9// //
10// write.vorbiscomment.php //
11// module for writing VorbisComment tags //
12// dependencies: /helperapps/vorbiscomment.exe //
13// ///
15
16
18{
19
22 var $warnings = array(); // any non-critical errors will be stored here
23 var $errors = array(); // any critical errors will be stored here
24
26 return true;
27 }
28
29 function WriteVorbisComment() {
30
31 if (!ini_get('safe_mode')) {
32
33 // Create file with new comments
34 $tempcommentsfilename = tempnam('*', 'getID3');
35 if ($fpcomments = @fopen($tempcommentsfilename, 'wb')) {
36
37 foreach ($this->tag_data as $key => $value) {
38 foreach ($value as $commentdata) {
39 fwrite($fpcomments, $this->CleanVorbisCommentName($key).'='.$commentdata."\n");
40 }
41 }
42 fclose($fpcomments);
43
44 } else {
45
46 $this->errors[] = 'failed to open temporary tags file "'.$tempcommentsfilename.'", tags not written';
47 return false;
48
49 }
50
51 $oldignoreuserabort = ignore_user_abort(true);
52 if (GETID3_OS_ISWINDOWS) {
53
54 if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) {
55 //$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w --raw -c "'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
56 // vorbiscomment works fine if you copy-paste the above commandline into a command prompt,
57 // but refuses to work with `backtick` if there are "doublequotes" present around BOTH
58 // the metaflac pathname and the target filename. For whatever reason...??
59 // The solution is simply ensure that the metaflac pathname has no spaces,
60 // and therefore does not need to be quoted
61
62 // On top of that, if error messages are not always captured properly under Windows
63 // To at least see if there was a problem, compare file modification timestamps before and after writing
64 clearstatcache();
65 $timestampbeforewriting = filemtime($this->filename);
66
67 $commandline = GETID3_HELPERAPPSDIR.'vorbiscomment.exe -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
68 $VorbiscommentError = `$commandline`;
69
70 if (empty($VorbiscommentError)) {
71 clearstatcache();
72 if ($timestampbeforewriting == filemtime($this->filename)) {
73 $VorbiscommentError = 'File modification timestamp has not changed - it looks like the tags were not written';
74 }
75 }
76 } else {
77 $VorbiscommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;
78 }
79
80 } else {
81
82 $commandline = 'vorbiscomment -w --raw -c "'.$tempcommentsfilename.'" "'.$this->filename.'" 2>&1';
83 $VorbiscommentError = `$commandline`;
84
85 }
86
87 // Remove temporary comments file
88 unlink($tempcommentsfilename);
89 ignore_user_abort($oldignoreuserabort);
90
91 if (!empty($VorbiscommentError)) {
92
93 $this->errors[] = 'system call to vorbiscomment failed with message: '."\n\n".$VorbiscommentError;
94 return false;
95
96 }
97
98 return true;
99 }
100
101 $this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call vorbiscomment, tags not written';
102 return false;
103 }
104
106 $this->tag_data = array(array());
107 return $this->WriteVorbisComment();
108 }
109
110 function CleanVorbisCommentName($originalcommentname) {
111 // A case-insensitive field name that may consist of ASCII 0x20 through 0x7D, 0x3D ('=') excluded.
112 // ASCII 0x41 through 0x5A inclusive (A-Z) is to be considered equivalent to ASCII 0x61 through
113 // 0x7A inclusive (a-z).
114
115 // replace invalid chars with a space, return uppercase text
116 // Thanks Chris Bolt <chris-getid3Øbolt*cx> for improving this function
117 // note: ereg_replace() replaces nulls with empty string (not space)
118 return strtoupper(ereg_replace('[^ -<>-}]', ' ', str_replace("\x00", ' ', $originalcommentname)));
119
120 }
121
122}
123
124?>
getID3() by James Heinrich info@getid3.org //
CleanVorbisCommentName($originalcommentname)