1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
<?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 //
// 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;
}
}
|
