|
rlm@3
|
1 <?php
|
|
rlm@3
|
2 // +----------------------------------------------------------------------+
|
|
rlm@3
|
3 // | PHP version 5 |
|
|
rlm@3
|
4 // +----------------------------------------------------------------------+
|
|
rlm@3
|
5 // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
|
|
rlm@3
|
6 // +----------------------------------------------------------------------+
|
|
rlm@3
|
7 // | This source file is subject to version 2 of the GPL license, |
|
|
rlm@3
|
8 // | that is bundled with this package in the file license.txt and is |
|
|
rlm@3
|
9 // | available through the world-wide-web at the following url: |
|
|
rlm@3
|
10 // | http://www.gnu.org/copyleft/gpl.html |
|
|
rlm@3
|
11 // +----------------------------------------------------------------------+
|
|
rlm@3
|
12 // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
|
|
rlm@3
|
13 // +----------------------------------------------------------------------+
|
|
rlm@3
|
14 // | Authors: James Heinrich <infoØgetid3*org> |
|
|
rlm@3
|
15 // | Allan Hansen <ahØartemis*dk> |
|
|
rlm@3
|
16 // +----------------------------------------------------------------------+
|
|
rlm@3
|
17 // | module.misc.iso.php |
|
|
rlm@3
|
18 // | Module for analyzing ISO files |
|
|
rlm@3
|
19 // | dependencies: NONE |
|
|
rlm@3
|
20 // +----------------------------------------------------------------------+
|
|
rlm@3
|
21 //
|
|
rlm@3
|
22 // $Id: module.misc.iso.php,v 1.3 2006/11/02 10:48:02 ah Exp $
|
|
rlm@3
|
23
|
|
rlm@3
|
24
|
|
rlm@3
|
25
|
|
rlm@3
|
26 class getid3_iso extends getid3_handler
|
|
rlm@3
|
27 {
|
|
rlm@3
|
28
|
|
rlm@3
|
29 public function Analyze() {
|
|
rlm@3
|
30
|
|
rlm@3
|
31 $getid3 = $this->getid3;
|
|
rlm@3
|
32
|
|
rlm@3
|
33 $getid3->info['fileformat'] = 'iso';
|
|
rlm@3
|
34
|
|
rlm@3
|
35 for ($i = 16; $i <= 19; $i++) {
|
|
rlm@3
|
36 fseek($getid3->fp, 2048 * $i, SEEK_SET);
|
|
rlm@3
|
37 $iso_header = fread($getid3->fp, 2048);
|
|
rlm@3
|
38 if (substr($iso_header, 1, 5) == 'CD001') {
|
|
rlm@3
|
39 switch (ord($iso_header{0})) {
|
|
rlm@3
|
40 case 1:
|
|
rlm@3
|
41 $getid3->info['iso']['primary_volume_descriptor']['offset'] = 2048 * $i;
|
|
rlm@3
|
42 $this->ParsePrimaryVolumeDescriptor($iso_header);
|
|
rlm@3
|
43 break;
|
|
rlm@3
|
44
|
|
rlm@3
|
45 case 2:
|
|
rlm@3
|
46 $getid3->info['iso']['supplementary_volume_descriptor']['offset'] = 2048 * $i;
|
|
rlm@3
|
47 $this->ParseSupplementaryVolumeDescriptor($iso_header);
|
|
rlm@3
|
48 break;
|
|
rlm@3
|
49
|
|
rlm@3
|
50 default:
|
|
rlm@3
|
51 // skip
|
|
rlm@3
|
52 break;
|
|
rlm@3
|
53 }
|
|
rlm@3
|
54 }
|
|
rlm@3
|
55 }
|
|
rlm@3
|
56
|
|
rlm@3
|
57 $this->ParsePathTable();
|
|
rlm@3
|
58
|
|
rlm@3
|
59 $getid3->info['iso']['files'] = array ();
|
|
rlm@3
|
60 foreach ($getid3->info['iso']['path_table']['directories'] as $directory_num => $directory_data) {
|
|
rlm@3
|
61 $getid3->info['iso']['directories'][$directory_num] = $this->ParseDirectoryRecord($directory_data);
|
|
rlm@3
|
62 }
|
|
rlm@3
|
63
|
|
rlm@3
|
64 return true;
|
|
rlm@3
|
65 }
|
|
rlm@3
|
66
|
|
rlm@3
|
67
|
|
rlm@3
|
68
|
|
rlm@3
|
69 private function ParsePrimaryVolumeDescriptor(&$iso_header) {
|
|
rlm@3
|
70
|
|
rlm@3
|
71 $getid3 = $this->getid3;
|
|
rlm@3
|
72
|
|
rlm@3
|
73 // ISO integer values are stored *BOTH* Little-Endian AND Big-Endian format!!
|
|
rlm@3
|
74 // ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
|
|
rlm@3
|
75
|
|
rlm@3
|
76 $getid3->info['iso']['primary_volume_descriptor']['raw'] = array ();
|
|
rlm@3
|
77 $info_iso_primaryVD = &$getid3->info['iso']['primary_volume_descriptor'];
|
|
rlm@3
|
78 $info_iso_primaryVD_raw = &$info_iso_primaryVD['raw'];
|
|
rlm@3
|
79
|
|
rlm@3
|
80 $info_iso_primaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($iso_header, 0, 1));
|
|
rlm@3
|
81 $info_iso_primaryVD_raw['standard_identifier'] = substr($iso_header, 1, 5);
|
|
rlm@3
|
82 if ($info_iso_primaryVD_raw['standard_identifier'] != 'CD001') {
|
|
rlm@3
|
83 throw new getid3_exception('Expected "CD001" at offset ('.($info_iso_primaryVD['offset'] + 1).'), found "'.$info_iso_primaryVD_raw['standard_identifier'].'" instead');
|
|
rlm@3
|
84 }
|
|
rlm@3
|
85
|
|
rlm@3
|
86 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_primaryVD_raw, $iso_header, 6,
|
|
rlm@3
|
87 array (
|
|
rlm@3
|
88 'volume_descriptor_version' => 1,
|
|
rlm@3
|
89 'IGNORE-unused_1' => 1,
|
|
rlm@3
|
90 'system_identifier' => -32, // string
|
|
rlm@3
|
91 'volume_identifier' => -32, // string
|
|
rlm@3
|
92 'IGNORE-unused_2' => 8,
|
|
rlm@3
|
93 'volume_space_size' => 4,
|
|
rlm@3
|
94 'IGNORE-1' => 4,
|
|
rlm@3
|
95 'IGNORE-unused_3' => 32,
|
|
rlm@3
|
96 'volume_set_size' => 2,
|
|
rlm@3
|
97 'IGNORE-2' => 2,
|
|
rlm@3
|
98 'volume_sequence_number' => 2,
|
|
rlm@3
|
99 'IGNORE-3' => 2,
|
|
rlm@3
|
100 'logical_block_size' => 2,
|
|
rlm@3
|
101 'IGNORE-4' => 2,
|
|
rlm@3
|
102 'path_table_size' => 4,
|
|
rlm@3
|
103 'IGNORE-5' => 4,
|
|
rlm@3
|
104 'path_table_l_location' => 2,
|
|
rlm@3
|
105 'IGNORE-6' => 2,
|
|
rlm@3
|
106 'path_table_l_opt_location' => 2,
|
|
rlm@3
|
107 'IGNORE-7' => 2,
|
|
rlm@3
|
108 'path_table_m_location' => 2,
|
|
rlm@3
|
109 'IGNORE-8' => 2,
|
|
rlm@3
|
110 'path_table_m_opt_location' => 2,
|
|
rlm@3
|
111 'IGNORE-9' => 2,
|
|
rlm@3
|
112 'root_directory_record' => -34, // string
|
|
rlm@3
|
113 'volume_set_identifier' => -128, // string
|
|
rlm@3
|
114 'publisher_identifier' => -128, // string
|
|
rlm@3
|
115 'data_preparer_identifier' => -128, // string
|
|
rlm@3
|
116 'application_identifier' => -128, // string
|
|
rlm@3
|
117 'copyright_file_identifier' => -37, // string
|
|
rlm@3
|
118 'abstract_file_identifier' => -37, // string
|
|
rlm@3
|
119 'bibliographic_file_identifier' => -37, // string
|
|
rlm@3
|
120 'volume_creation_date_time' => -17, // string
|
|
rlm@3
|
121 'volume_modification_date_time' => -17, // string
|
|
rlm@3
|
122 'volume_expiration_date_time' => -17, // string
|
|
rlm@3
|
123 'volume_effective_date_time' => -17, // string
|
|
rlm@3
|
124 'file_structure_version' => 1,
|
|
rlm@3
|
125 'IGNORE-unused_4' => 1,
|
|
rlm@3
|
126 'application_data' => -512 // string
|
|
rlm@3
|
127 )
|
|
rlm@3
|
128 );
|
|
rlm@3
|
129
|
|
rlm@3
|
130 $info_iso_primaryVD['system_identifier'] = trim($info_iso_primaryVD_raw['system_identifier']);
|
|
rlm@3
|
131 $info_iso_primaryVD['volume_identifier'] = trim($info_iso_primaryVD_raw['volume_identifier']);
|
|
rlm@3
|
132 $info_iso_primaryVD['volume_set_identifier'] = trim($info_iso_primaryVD_raw['volume_set_identifier']);
|
|
rlm@3
|
133 $info_iso_primaryVD['publisher_identifier'] = trim($info_iso_primaryVD_raw['publisher_identifier']);
|
|
rlm@3
|
134 $info_iso_primaryVD['data_preparer_identifier'] = trim($info_iso_primaryVD_raw['data_preparer_identifier']);
|
|
rlm@3
|
135 $info_iso_primaryVD['application_identifier'] = trim($info_iso_primaryVD_raw['application_identifier']);
|
|
rlm@3
|
136 $info_iso_primaryVD['copyright_file_identifier'] = trim($info_iso_primaryVD_raw['copyright_file_identifier']);
|
|
rlm@3
|
137 $info_iso_primaryVD['abstract_file_identifier'] = trim($info_iso_primaryVD_raw['abstract_file_identifier']);
|
|
rlm@3
|
138 $info_iso_primaryVD['bibliographic_file_identifier'] = trim($info_iso_primaryVD_raw['bibliographic_file_identifier']);
|
|
rlm@3
|
139
|
|
rlm@3
|
140 $info_iso_primaryVD['volume_creation_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_creation_date_time']);
|
|
rlm@3
|
141 $info_iso_primaryVD['volume_modification_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_modification_date_time']);
|
|
rlm@3
|
142 $info_iso_primaryVD['volume_expiration_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_expiration_date_time']);
|
|
rlm@3
|
143 $info_iso_primaryVD['volume_effective_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_effective_date_time']);
|
|
rlm@3
|
144
|
|
rlm@3
|
145 if (($info_iso_primaryVD_raw['volume_space_size'] * 2048) > $getid3->info['filesize']) {
|
|
rlm@3
|
146 throw new getid3_exception('Volume Space Size ('.($info_iso_primaryVD_raw['volume_space_size'] * 2048).' bytes) is larger than the file size ('.$getid3->info['filesize'].' bytes) (truncated file?)');
|
|
rlm@3
|
147 }
|
|
rlm@3
|
148
|
|
rlm@3
|
149 return true;
|
|
rlm@3
|
150 }
|
|
rlm@3
|
151
|
|
rlm@3
|
152
|
|
rlm@3
|
153
|
|
rlm@3
|
154 private function ParseSupplementaryVolumeDescriptor(&$iso_header) {
|
|
rlm@3
|
155
|
|
rlm@3
|
156 $getid3 = $this->getid3;
|
|
rlm@3
|
157
|
|
rlm@3
|
158 // ISO integer values are stored Both-Endian format!!
|
|
rlm@3
|
159 // ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
|
|
rlm@3
|
160
|
|
rlm@3
|
161 $getid3->info['iso']['supplementary_volume_descriptor']['raw'] = array ();
|
|
rlm@3
|
162 $info_iso_supplementaryVD = &$getid3->info['iso']['supplementary_volume_descriptor'];
|
|
rlm@3
|
163 $info_iso_supplementaryVD_raw = &$info_iso_supplementaryVD['raw'];
|
|
rlm@3
|
164
|
|
rlm@3
|
165 $info_iso_supplementaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($iso_header, 0, 1));
|
|
rlm@3
|
166 $info_iso_supplementaryVD_raw['standard_identifier'] = substr($iso_header, 1, 5);
|
|
rlm@3
|
167 if ($info_iso_supplementaryVD_raw['standard_identifier'] != 'CD001') {
|
|
rlm@3
|
168 throw new getid3_exception('Expected "CD001" at offset ('.($info_iso_supplementaryVD['offset'] + 1).'), found "'.$info_iso_supplementaryVD_raw['standard_identifier'].'" instead');
|
|
rlm@3
|
169 }
|
|
rlm@3
|
170
|
|
rlm@3
|
171 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_supplementaryVD_raw, $iso_header, 6,
|
|
rlm@3
|
172 array (
|
|
rlm@3
|
173 'volume_descriptor_version' => 1,
|
|
rlm@3
|
174 'IGNORE-unused_1' => -1,
|
|
rlm@3
|
175 'system_identifier' => -32,
|
|
rlm@3
|
176 'volume_identifier' => -32,
|
|
rlm@3
|
177 'IGNORE-unused_2' => -8,
|
|
rlm@3
|
178 'volume_space_size' => 4,
|
|
rlm@3
|
179 'IGNORE-1' => 4,
|
|
rlm@3
|
180 'IGNORE-unused_3' => -32,
|
|
rlm@3
|
181 'volume_set_size' => 2,
|
|
rlm@3
|
182 'IGNORE-2' => 2,
|
|
rlm@3
|
183 'volume_sequence_number' => 2,
|
|
rlm@3
|
184 'IGNORE-3' => 2,
|
|
rlm@3
|
185 'logical_block_size' => 2,
|
|
rlm@3
|
186 'IGNORE-4' => 2,
|
|
rlm@3
|
187 'path_table_size' => 4,
|
|
rlm@3
|
188 'IGNORE-5' => 4,
|
|
rlm@3
|
189 'path_table_l_location' => 2,
|
|
rlm@3
|
190 'IGNORE-6' => 2,
|
|
rlm@3
|
191 'path_table_l_opt_location' => 2,
|
|
rlm@3
|
192 'IGNORE-7' => 2,
|
|
rlm@3
|
193 'path_table_m_location' => 2,
|
|
rlm@3
|
194 'IGNORE-8' => 2,
|
|
rlm@3
|
195 'path_table_m_opt_location' => 2,
|
|
rlm@3
|
196 'IGNORE-9' => 2,
|
|
rlm@3
|
197 'root_directory_record' => -34,
|
|
rlm@3
|
198 'volume_set_identifier' => -128,
|
|
rlm@3
|
199 'publisher_identifier' => -128,
|
|
rlm@3
|
200 'data_preparer_identifier' => -128,
|
|
rlm@3
|
201 'application_identifier' => -128,
|
|
rlm@3
|
202 'copyright_file_identifier' => -37,
|
|
rlm@3
|
203 'abstract_file_identifier' => -37,
|
|
rlm@3
|
204 'bibliographic_file_identifier' => -37,
|
|
rlm@3
|
205 'volume_creation_date_time' => -17,
|
|
rlm@3
|
206 'volume_modification_date_time' => -17,
|
|
rlm@3
|
207 'volume_expiration_date_time' => -17,
|
|
rlm@3
|
208 'volume_effective_date_time' => -17,
|
|
rlm@3
|
209 'file_structure_version' => 1,
|
|
rlm@3
|
210 'IGNORE-unused_4' => 1,
|
|
rlm@3
|
211 'application_data' => -512
|
|
rlm@3
|
212 )
|
|
rlm@3
|
213 );
|
|
rlm@3
|
214
|
|
rlm@3
|
215 $info_iso_supplementaryVD['system_identifier'] = trim($info_iso_supplementaryVD_raw['system_identifier']);
|
|
rlm@3
|
216 $info_iso_supplementaryVD['volume_identifier'] = trim($info_iso_supplementaryVD_raw['volume_identifier']);
|
|
rlm@3
|
217 $info_iso_supplementaryVD['volume_set_identifier'] = trim($info_iso_supplementaryVD_raw['volume_set_identifier']);
|
|
rlm@3
|
218 $info_iso_supplementaryVD['publisher_identifier'] = trim($info_iso_supplementaryVD_raw['publisher_identifier']);
|
|
rlm@3
|
219 $info_iso_supplementaryVD['data_preparer_identifier'] = trim($info_iso_supplementaryVD_raw['data_preparer_identifier']);
|
|
rlm@3
|
220 $info_iso_supplementaryVD['application_identifier'] = trim($info_iso_supplementaryVD_raw['application_identifier']);
|
|
rlm@3
|
221 $info_iso_supplementaryVD['copyright_file_identifier'] = trim($info_iso_supplementaryVD_raw['copyright_file_identifier']);
|
|
rlm@3
|
222 $info_iso_supplementaryVD['abstract_file_identifier'] = trim($info_iso_supplementaryVD_raw['abstract_file_identifier']);
|
|
rlm@3
|
223 $info_iso_supplementaryVD['bibliographic_file_identifier'] = trim($info_iso_supplementaryVD_raw['bibliographic_file_identifier']);
|
|
rlm@3
|
224
|
|
rlm@3
|
225 $info_iso_supplementaryVD['volume_creation_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_creation_date_time']);
|
|
rlm@3
|
226 $info_iso_supplementaryVD['volume_modification_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_modification_date_time']);
|
|
rlm@3
|
227 $info_iso_supplementaryVD['volume_expiration_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_expiration_date_time']);
|
|
rlm@3
|
228 $info_iso_supplementaryVD['volume_effective_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_effective_date_time']);
|
|
rlm@3
|
229
|
|
rlm@3
|
230 if (($info_iso_supplementaryVD_raw['volume_space_size'] * $info_iso_supplementaryVD_raw['logical_block_size']) > $getid3->info['filesize']) {
|
|
rlm@3
|
231 throw new getid3_exception('Volume Space Size ('.($info_iso_supplementaryVD_raw['volume_space_size'] * $info_iso_supplementaryVD_raw['logical_block_size']).' bytes) is larger than the file size ('.$getid3->info['filesize'].' bytes) (truncated file?)');
|
|
rlm@3
|
232 }
|
|
rlm@3
|
233
|
|
rlm@3
|
234 return true;
|
|
rlm@3
|
235 }
|
|
rlm@3
|
236
|
|
rlm@3
|
237
|
|
rlm@3
|
238
|
|
rlm@3
|
239 private function ParsePathTable() {
|
|
rlm@3
|
240
|
|
rlm@3
|
241 $getid3 = $this->getid3;
|
|
rlm@3
|
242
|
|
rlm@3
|
243 if (!isset($getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location']) && !isset($getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'])) {
|
|
rlm@3
|
244 return false;
|
|
rlm@3
|
245 }
|
|
rlm@3
|
246 if (isset($getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'])) {
|
|
rlm@3
|
247 $path_table_location = $getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'];
|
|
rlm@3
|
248 $path_table_size = $getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_size'];
|
|
rlm@3
|
249 $text_encoding = 'UTF-16BE'; // Big-Endian Unicode
|
|
rlm@3
|
250 }
|
|
rlm@3
|
251 else {
|
|
rlm@3
|
252 $path_table_location = $getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'];
|
|
rlm@3
|
253 $path_table_size = $getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_size'];
|
|
rlm@3
|
254 $text_encoding = 'ISO-8859-1'; // Latin-1
|
|
rlm@3
|
255 }
|
|
rlm@3
|
256
|
|
rlm@3
|
257 if (($path_table_location * 2048) > $getid3->info['filesize']) {
|
|
rlm@3
|
258 throw new getid3_exception('Path Table Location specifies an offset ('.($path_table_location * 2048).') beyond the end-of-file ('.$getid3->info['filesize'].')');
|
|
rlm@3
|
259 }
|
|
rlm@3
|
260
|
|
rlm@3
|
261 $getid3->info['iso']['path_table']['offset'] = $path_table_location * 2048;
|
|
rlm@3
|
262 fseek($getid3->fp, $getid3->info['iso']['path_table']['offset'], SEEK_SET);
|
|
rlm@3
|
263 $getid3->info['iso']['path_table']['raw'] = fread($getid3->fp, $path_table_size);
|
|
rlm@3
|
264
|
|
rlm@3
|
265 $offset = 0;
|
|
rlm@3
|
266 $pathcounter = 1;
|
|
rlm@3
|
267 while ($offset < $path_table_size) {
|
|
rlm@3
|
268
|
|
rlm@3
|
269 $getid3->info['iso']['path_table']['directories'][$pathcounter] = array ();
|
|
rlm@3
|
270 $info_iso_pathtable_directories_current = &$getid3->info['iso']['path_table']['directories'][$pathcounter];
|
|
rlm@3
|
271
|
|
rlm@3
|
272 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_pathtable_directories_current, $getid3->info['iso']['path_table']['raw'], $offset,
|
|
rlm@3
|
273 array (
|
|
rlm@3
|
274 'length' => 1,
|
|
rlm@3
|
275 'extended_length' => 1,
|
|
rlm@3
|
276 'location_logical' => 4,
|
|
rlm@3
|
277 'parent_directory' => 2,
|
|
rlm@3
|
278 )
|
|
rlm@3
|
279 );
|
|
rlm@3
|
280
|
|
rlm@3
|
281 $info_iso_pathtable_directories_current['name'] = substr($getid3->info['iso']['path_table']['raw'], $offset+8, $info_iso_pathtable_directories_current['length']);
|
|
rlm@3
|
282
|
|
rlm@3
|
283 $offset += 8 + $info_iso_pathtable_directories_current['length'] + ($info_iso_pathtable_directories_current['length'] % 2);
|
|
rlm@3
|
284
|
|
rlm@3
|
285 $info_iso_pathtable_directories_current['name_ascii'] = $getid3->iconv($text_encoding, $getid3->encoding, $info_iso_pathtable_directories_current['name'], true);
|
|
rlm@3
|
286
|
|
rlm@3
|
287 $info_iso_pathtable_directories_current['location_bytes'] = $info_iso_pathtable_directories_current['location_logical'] * 2048;
|
|
rlm@3
|
288 if ($pathcounter == 1) {
|
|
rlm@3
|
289 $info_iso_pathtable_directories_current['full_path'] = '/';
|
|
rlm@3
|
290 }
|
|
rlm@3
|
291 else {
|
|
rlm@3
|
292 $info_iso_pathtable_directories_current['full_path'] = $getid3->info['iso']['path_table']['directories'][$info_iso_pathtable_directories_current['parent_directory']]['full_path'].$info_iso_pathtable_directories_current['name_ascii'].'/';
|
|
rlm@3
|
293 }
|
|
rlm@3
|
294 $full_path_array[] = $info_iso_pathtable_directories_current['full_path'];
|
|
rlm@3
|
295
|
|
rlm@3
|
296 $pathcounter++;
|
|
rlm@3
|
297 }
|
|
rlm@3
|
298
|
|
rlm@3
|
299 return true;
|
|
rlm@3
|
300 }
|
|
rlm@3
|
301
|
|
rlm@3
|
302
|
|
rlm@3
|
303
|
|
rlm@3
|
304 private function ParseDirectoryRecord($directory_data) {
|
|
rlm@3
|
305
|
|
rlm@3
|
306 $getid3 = $this->getid3;
|
|
rlm@3
|
307
|
|
rlm@3
|
308 $text_encoding = isset($getid3->info['iso']['supplementary_volume_descriptor']) ? 'UTF-16BE' : 'ISO-8859-1';
|
|
rlm@3
|
309
|
|
rlm@3
|
310 fseek($getid3->fp, $directory_data['location_bytes'], SEEK_SET);
|
|
rlm@3
|
311 $directory_record_data = fread($getid3->fp, 1);
|
|
rlm@3
|
312
|
|
rlm@3
|
313 while (ord($directory_record_data{0}) > 33) {
|
|
rlm@3
|
314
|
|
rlm@3
|
315 $directory_record_data .= fread($getid3->fp, ord($directory_record_data{0}) - 1);
|
|
rlm@3
|
316
|
|
rlm@3
|
317 $this_directory_record = array ();
|
|
rlm@3
|
318 $this_directory_record['raw'] = array ();
|
|
rlm@3
|
319 $this_directory_record_raw = &$this_directory_record['raw'];
|
|
rlm@3
|
320
|
|
rlm@3
|
321 getid3_lib::ReadSequence('LittleEndian2Int', $this_directory_record_raw, $directory_record_data, 0,
|
|
rlm@3
|
322 array (
|
|
rlm@3
|
323 'length' => 1,
|
|
rlm@3
|
324 'extended_attribute_length' => 1,
|
|
rlm@3
|
325 'offset_logical' => 4,
|
|
rlm@3
|
326 'IGNORE-1' => 4,
|
|
rlm@3
|
327 'filesize' => 4,
|
|
rlm@3
|
328 'IGNORE-2' => 4,
|
|
rlm@3
|
329 'recording_date_time' => -7,
|
|
rlm@3
|
330 'file_flags' => 1,
|
|
rlm@3
|
331 'file_unit_size' => 1,
|
|
rlm@3
|
332 'interleave_gap_size' => 1,
|
|
rlm@3
|
333 'volume_sequence_number' => 2,
|
|
rlm@3
|
334 'IGNORE-3' => 2,
|
|
rlm@3
|
335 'file_identifier_length' => 1,
|
|
rlm@3
|
336 )
|
|
rlm@3
|
337 );
|
|
rlm@3
|
338
|
|
rlm@3
|
339 $this_directory_record_raw['file_identifier'] = substr($directory_record_data, 33, $this_directory_record_raw['file_identifier_length']);
|
|
rlm@3
|
340
|
|
rlm@3
|
341 $this_directory_record['file_identifier_ascii'] = $getid3->iconv($text_encoding, $getid3->encoding, $this_directory_record_raw['file_identifier'], true);
|
|
rlm@3
|
342 $this_directory_record['filesize'] = $this_directory_record_raw['filesize'];
|
|
rlm@3
|
343 $this_directory_record['offset_bytes'] = $this_directory_record_raw['offset_logical'] * 2048;
|
|
rlm@3
|
344 $this_directory_record['file_flags']['hidden'] = (bool)($this_directory_record_raw['file_flags'] & 0x01);
|
|
rlm@3
|
345 $this_directory_record['file_flags']['directory'] = (bool)($this_directory_record_raw['file_flags'] & 0x02);
|
|
rlm@3
|
346 $this_directory_record['file_flags']['associated'] = (bool)($this_directory_record_raw['file_flags'] & 0x04);
|
|
rlm@3
|
347 $this_directory_record['file_flags']['extended'] = (bool)($this_directory_record_raw['file_flags'] & 0x08);
|
|
rlm@3
|
348 $this_directory_record['file_flags']['permissions'] = (bool)($this_directory_record_raw['file_flags'] & 0x10);
|
|
rlm@3
|
349 $this_directory_record['file_flags']['multiple'] = (bool)($this_directory_record_raw['file_flags'] & 0x80);
|
|
rlm@3
|
350 $this_directory_record['recording_timestamp'] = getid3_iso::ISOtime2UNIXtime($this_directory_record_raw['recording_date_time']);
|
|
rlm@3
|
351
|
|
rlm@3
|
352 if ($this_directory_record['file_flags']['directory']) {
|
|
rlm@3
|
353 $this_directory_record['filename'] = $directory_data['full_path'];
|
|
rlm@3
|
354 }
|
|
rlm@3
|
355 else {
|
|
rlm@3
|
356 $this_directory_record['filename'] = $directory_data['full_path'].getid3_iso::ISOstripFilenameVersion($this_directory_record['file_identifier_ascii']);
|
|
rlm@3
|
357 $getid3->info['iso']['files'] = getid3_iso::array_merge_clobber($getid3->info['iso']['files'], getid3_iso::CreateDeepArray($this_directory_record['filename'], '/', $this_directory_record['filesize']));
|
|
rlm@3
|
358 }
|
|
rlm@3
|
359
|
|
rlm@3
|
360 $directory_record[] = $this_directory_record;
|
|
rlm@3
|
361 $directory_record_data = fread($getid3->fp, 1);
|
|
rlm@3
|
362 }
|
|
rlm@3
|
363
|
|
rlm@3
|
364 return $directory_record;
|
|
rlm@3
|
365 }
|
|
rlm@3
|
366
|
|
rlm@3
|
367
|
|
rlm@3
|
368
|
|
rlm@3
|
369 public static function ISOstripFilenameVersion($iso_filename) {
|
|
rlm@3
|
370
|
|
rlm@3
|
371 // convert 'filename.ext;1' to 'filename.ext'
|
|
rlm@3
|
372 if (!strstr($iso_filename, ';')) {
|
|
rlm@3
|
373 return $iso_filename;
|
|
rlm@3
|
374 }
|
|
rlm@3
|
375 return substr($iso_filename, 0, strpos($iso_filename, ';'));
|
|
rlm@3
|
376 }
|
|
rlm@3
|
377
|
|
rlm@3
|
378
|
|
rlm@3
|
379
|
|
rlm@3
|
380 public static function ISOtimeText2UNIXtime($iso_time) {
|
|
rlm@3
|
381
|
|
rlm@3
|
382 if (!(int)substr($iso_time, 0, 4)) {
|
|
rlm@3
|
383 return false;
|
|
rlm@3
|
384 }
|
|
rlm@3
|
385
|
|
rlm@3
|
386 return gmmktime((int)substr($iso_time, 8, 2), (int)substr($iso_time, 10, 2), (int)substr($iso_time, 12, 2), (int)substr($iso_time, 4, 2), (int)substr($iso_time, 6, 2), (int)substr($iso_time, 0, 4));
|
|
rlm@3
|
387 }
|
|
rlm@3
|
388
|
|
rlm@3
|
389
|
|
rlm@3
|
390
|
|
rlm@3
|
391 public static function ISOtime2UNIXtime($iso_time) {
|
|
rlm@3
|
392
|
|
rlm@3
|
393 // Represented by seven bytes:
|
|
rlm@3
|
394 // 1: Number of years since 1900
|
|
rlm@3
|
395 // 2: Month of the year from 1 to 12
|
|
rlm@3
|
396 // 3: Day of the Month from 1 to 31
|
|
rlm@3
|
397 // 4: Hour of the day from 0 to 23
|
|
rlm@3
|
398 // 5: Minute of the hour from 0 to 59
|
|
rlm@3
|
399 // 6: second of the minute from 0 to 59
|
|
rlm@3
|
400 // 7: Offset from Greenwich Mean Time in number of 15 minute intervals from -48 (West) to +52 (East)
|
|
rlm@3
|
401
|
|
rlm@3
|
402 return gmmktime(ord($iso_time[3]), ord($iso_time[4]), ord($iso_time[5]), ord($iso_time[1]), ord($iso_time[2]), ord($iso_time[0]) + 1900);
|
|
rlm@3
|
403 }
|
|
rlm@3
|
404
|
|
rlm@3
|
405
|
|
rlm@3
|
406
|
|
rlm@3
|
407 public static function array_merge_clobber($array1, $array2) {
|
|
rlm@3
|
408
|
|
rlm@3
|
409 // written by kcØhireability*com
|
|
rlm@3
|
410 // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
|
|
rlm@3
|
411
|
|
rlm@3
|
412 if (!is_array($array1) || !is_array($array2)) {
|
|
rlm@3
|
413 return false;
|
|
rlm@3
|
414 }
|
|
rlm@3
|
415
|
|
rlm@3
|
416 $newarray = $array1;
|
|
rlm@3
|
417 foreach ($array2 as $key => $val) {
|
|
rlm@3
|
418 if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
|
|
rlm@3
|
419 $newarray[$key] = getid3_iso::array_merge_clobber($newarray[$key], $val);
|
|
rlm@3
|
420 } else {
|
|
rlm@3
|
421 $newarray[$key] = $val;
|
|
rlm@3
|
422 }
|
|
rlm@3
|
423 }
|
|
rlm@3
|
424 return $newarray;
|
|
rlm@3
|
425 }
|
|
rlm@3
|
426
|
|
rlm@3
|
427
|
|
rlm@3
|
428
|
|
rlm@3
|
429 public static function CreateDeepArray($array_path, $separator, $value) {
|
|
rlm@3
|
430
|
|
rlm@3
|
431 // assigns $value to a nested array path:
|
|
rlm@3
|
432 // $foo = getid3_lib::CreateDeepArray('/path/to/my', '/', 'file.txt')
|
|
rlm@3
|
433 // is the same as:
|
|
rlm@3
|
434 // $foo = array ('path'=>array('to'=>'array('my'=>array('file.txt'))));
|
|
rlm@3
|
435 // or
|
|
rlm@3
|
436 // $foo['path']['to']['my'] = 'file.txt';
|
|
rlm@3
|
437
|
|
rlm@3
|
438 while ($array_path{0} == $separator) {
|
|
rlm@3
|
439 $array_path = substr($array_path, 1);
|
|
rlm@3
|
440 }
|
|
rlm@3
|
441 if (($pos = strpos($array_path, $separator)) !== false) {
|
|
rlm@3
|
442 return array (substr($array_path, 0, $pos) => getid3_iso::CreateDeepArray(substr($array_path, $pos + 1), $separator, $value));
|
|
rlm@3
|
443 }
|
|
rlm@3
|
444
|
|
rlm@3
|
445 return array ($array_path => $value);
|
|
rlm@3
|
446 }
|
|
rlm@3
|
447
|
|
rlm@3
|
448 }
|
|
rlm@3
|
449
|
|
rlm@3
|
450 ?> |
