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comparison e2gallerypro/e2upload/Backend/Assets/getid3/module.misc.iso.php @ 3:3f6b44aa6b35 judyates

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[svn r4] added ability to buy stuff, from a Prints page, but it doesn't work well with the css, and it also has not been fitted into the perl make system.
author rlm
date Mon, 22 Feb 2010 08:02:39 -0500
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2:670229c4eb4b 3:3f6b44aa6b35
1 <?php
2 // +----------------------------------------------------------------------+
3 // | PHP version 5 |
4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 2 of the GPL license, |
8 // | that is bundled with this package in the file license.txt and is |
9 // | available through the world-wide-web at the following url: |
10 // | http://www.gnu.org/copyleft/gpl.html |
11 // +----------------------------------------------------------------------+
12 // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
13 // +----------------------------------------------------------------------+
14 // | Authors: James Heinrich <infoØgetid3*org> |
15 // | Allan Hansen <ahØartemis*dk> |
16 // +----------------------------------------------------------------------+
17 // | module.misc.iso.php |
18 // | Module for analyzing ISO files |
19 // | dependencies: NONE |
20 // +----------------------------------------------------------------------+
21 //
22 // $Id: module.misc.iso.php,v 1.3 2006/11/02 10:48:02 ah Exp $
23
24
25
26 class getid3_iso extends getid3_handler
27 {
28
29 public function Analyze() {
30
31 $getid3 = $this->getid3;
32
33 $getid3->info['fileformat'] = 'iso';
34
35 for ($i = 16; $i <= 19; $i++) {
36 fseek($getid3->fp, 2048 * $i, SEEK_SET);
37 $iso_header = fread($getid3->fp, 2048);
38 if (substr($iso_header, 1, 5) == 'CD001') {
39 switch (ord($iso_header{0})) {
40 case 1:
41 $getid3->info['iso']['primary_volume_descriptor']['offset'] = 2048 * $i;
42 $this->ParsePrimaryVolumeDescriptor($iso_header);
43 break;
44
45 case 2:
46 $getid3->info['iso']['supplementary_volume_descriptor']['offset'] = 2048 * $i;
47 $this->ParseSupplementaryVolumeDescriptor($iso_header);
48 break;
49
50 default:
51 // skip
52 break;
53 }
54 }
55 }
56
57 $this->ParsePathTable();
58
59 $getid3->info['iso']['files'] = array ();
60 foreach ($getid3->info['iso']['path_table']['directories'] as $directory_num => $directory_data) {
61 $getid3->info['iso']['directories'][$directory_num] = $this->ParseDirectoryRecord($directory_data);
62 }
63
64 return true;
65 }
66
67
68
69 private function ParsePrimaryVolumeDescriptor(&$iso_header) {
70
71 $getid3 = $this->getid3;
72
73 // ISO integer values are stored *BOTH* Little-Endian AND Big-Endian format!!
74 // ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
75
76 $getid3->info['iso']['primary_volume_descriptor']['raw'] = array ();
77 $info_iso_primaryVD = &$getid3->info['iso']['primary_volume_descriptor'];
78 $info_iso_primaryVD_raw = &$info_iso_primaryVD['raw'];
79
80 $info_iso_primaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($iso_header, 0, 1));
81 $info_iso_primaryVD_raw['standard_identifier'] = substr($iso_header, 1, 5);
82 if ($info_iso_primaryVD_raw['standard_identifier'] != 'CD001') {
83 throw new getid3_exception('Expected "CD001" at offset ('.($info_iso_primaryVD['offset'] + 1).'), found "'.$info_iso_primaryVD_raw['standard_identifier'].'" instead');
84 }
85
86 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_primaryVD_raw, $iso_header, 6,
87 array (
88 'volume_descriptor_version' => 1,
89 'IGNORE-unused_1' => 1,
90 'system_identifier' => -32, // string
91 'volume_identifier' => -32, // string
92 'IGNORE-unused_2' => 8,
93 'volume_space_size' => 4,
94 'IGNORE-1' => 4,
95 'IGNORE-unused_3' => 32,
96 'volume_set_size' => 2,
97 'IGNORE-2' => 2,
98 'volume_sequence_number' => 2,
99 'IGNORE-3' => 2,
100 'logical_block_size' => 2,
101 'IGNORE-4' => 2,
102 'path_table_size' => 4,
103 'IGNORE-5' => 4,
104 'path_table_l_location' => 2,
105 'IGNORE-6' => 2,
106 'path_table_l_opt_location' => 2,
107 'IGNORE-7' => 2,
108 'path_table_m_location' => 2,
109 'IGNORE-8' => 2,
110 'path_table_m_opt_location' => 2,
111 'IGNORE-9' => 2,
112 'root_directory_record' => -34, // string
113 'volume_set_identifier' => -128, // string
114 'publisher_identifier' => -128, // string
115 'data_preparer_identifier' => -128, // string
116 'application_identifier' => -128, // string
117 'copyright_file_identifier' => -37, // string
118 'abstract_file_identifier' => -37, // string
119 'bibliographic_file_identifier' => -37, // string
120 'volume_creation_date_time' => -17, // string
121 'volume_modification_date_time' => -17, // string
122 'volume_expiration_date_time' => -17, // string
123 'volume_effective_date_time' => -17, // string
124 'file_structure_version' => 1,
125 'IGNORE-unused_4' => 1,
126 'application_data' => -512 // string
127 )
128 );
129
130 $info_iso_primaryVD['system_identifier'] = trim($info_iso_primaryVD_raw['system_identifier']);
131 $info_iso_primaryVD['volume_identifier'] = trim($info_iso_primaryVD_raw['volume_identifier']);
132 $info_iso_primaryVD['volume_set_identifier'] = trim($info_iso_primaryVD_raw['volume_set_identifier']);
133 $info_iso_primaryVD['publisher_identifier'] = trim($info_iso_primaryVD_raw['publisher_identifier']);
134 $info_iso_primaryVD['data_preparer_identifier'] = trim($info_iso_primaryVD_raw['data_preparer_identifier']);
135 $info_iso_primaryVD['application_identifier'] = trim($info_iso_primaryVD_raw['application_identifier']);
136 $info_iso_primaryVD['copyright_file_identifier'] = trim($info_iso_primaryVD_raw['copyright_file_identifier']);
137 $info_iso_primaryVD['abstract_file_identifier'] = trim($info_iso_primaryVD_raw['abstract_file_identifier']);
138 $info_iso_primaryVD['bibliographic_file_identifier'] = trim($info_iso_primaryVD_raw['bibliographic_file_identifier']);
139
140 $info_iso_primaryVD['volume_creation_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_creation_date_time']);
141 $info_iso_primaryVD['volume_modification_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_modification_date_time']);
142 $info_iso_primaryVD['volume_expiration_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_expiration_date_time']);
143 $info_iso_primaryVD['volume_effective_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_primaryVD_raw['volume_effective_date_time']);
144
145 if (($info_iso_primaryVD_raw['volume_space_size'] * 2048) > $getid3->info['filesize']) {
146 throw new getid3_exception('Volume Space Size ('.($info_iso_primaryVD_raw['volume_space_size'] * 2048).' bytes) is larger than the file size ('.$getid3->info['filesize'].' bytes) (truncated file?)');
147 }
148
149 return true;
150 }
151
152
153
154 private function ParseSupplementaryVolumeDescriptor(&$iso_header) {
155
156 $getid3 = $this->getid3;
157
158 // ISO integer values are stored Both-Endian format!!
159 // ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
160
161 $getid3->info['iso']['supplementary_volume_descriptor']['raw'] = array ();
162 $info_iso_supplementaryVD = &$getid3->info['iso']['supplementary_volume_descriptor'];
163 $info_iso_supplementaryVD_raw = &$info_iso_supplementaryVD['raw'];
164
165 $info_iso_supplementaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($iso_header, 0, 1));
166 $info_iso_supplementaryVD_raw['standard_identifier'] = substr($iso_header, 1, 5);
167 if ($info_iso_supplementaryVD_raw['standard_identifier'] != 'CD001') {
168 throw new getid3_exception('Expected "CD001" at offset ('.($info_iso_supplementaryVD['offset'] + 1).'), found "'.$info_iso_supplementaryVD_raw['standard_identifier'].'" instead');
169 }
170
171 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_supplementaryVD_raw, $iso_header, 6,
172 array (
173 'volume_descriptor_version' => 1,
174 'IGNORE-unused_1' => -1,
175 'system_identifier' => -32,
176 'volume_identifier' => -32,
177 'IGNORE-unused_2' => -8,
178 'volume_space_size' => 4,
179 'IGNORE-1' => 4,
180 'IGNORE-unused_3' => -32,
181 'volume_set_size' => 2,
182 'IGNORE-2' => 2,
183 'volume_sequence_number' => 2,
184 'IGNORE-3' => 2,
185 'logical_block_size' => 2,
186 'IGNORE-4' => 2,
187 'path_table_size' => 4,
188 'IGNORE-5' => 4,
189 'path_table_l_location' => 2,
190 'IGNORE-6' => 2,
191 'path_table_l_opt_location' => 2,
192 'IGNORE-7' => 2,
193 'path_table_m_location' => 2,
194 'IGNORE-8' => 2,
195 'path_table_m_opt_location' => 2,
196 'IGNORE-9' => 2,
197 'root_directory_record' => -34,
198 'volume_set_identifier' => -128,
199 'publisher_identifier' => -128,
200 'data_preparer_identifier' => -128,
201 'application_identifier' => -128,
202 'copyright_file_identifier' => -37,
203 'abstract_file_identifier' => -37,
204 'bibliographic_file_identifier' => -37,
205 'volume_creation_date_time' => -17,
206 'volume_modification_date_time' => -17,
207 'volume_expiration_date_time' => -17,
208 'volume_effective_date_time' => -17,
209 'file_structure_version' => 1,
210 'IGNORE-unused_4' => 1,
211 'application_data' => -512
212 )
213 );
214
215 $info_iso_supplementaryVD['system_identifier'] = trim($info_iso_supplementaryVD_raw['system_identifier']);
216 $info_iso_supplementaryVD['volume_identifier'] = trim($info_iso_supplementaryVD_raw['volume_identifier']);
217 $info_iso_supplementaryVD['volume_set_identifier'] = trim($info_iso_supplementaryVD_raw['volume_set_identifier']);
218 $info_iso_supplementaryVD['publisher_identifier'] = trim($info_iso_supplementaryVD_raw['publisher_identifier']);
219 $info_iso_supplementaryVD['data_preparer_identifier'] = trim($info_iso_supplementaryVD_raw['data_preparer_identifier']);
220 $info_iso_supplementaryVD['application_identifier'] = trim($info_iso_supplementaryVD_raw['application_identifier']);
221 $info_iso_supplementaryVD['copyright_file_identifier'] = trim($info_iso_supplementaryVD_raw['copyright_file_identifier']);
222 $info_iso_supplementaryVD['abstract_file_identifier'] = trim($info_iso_supplementaryVD_raw['abstract_file_identifier']);
223 $info_iso_supplementaryVD['bibliographic_file_identifier'] = trim($info_iso_supplementaryVD_raw['bibliographic_file_identifier']);
224
225 $info_iso_supplementaryVD['volume_creation_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_creation_date_time']);
226 $info_iso_supplementaryVD['volume_modification_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_modification_date_time']);
227 $info_iso_supplementaryVD['volume_expiration_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_expiration_date_time']);
228 $info_iso_supplementaryVD['volume_effective_date_time'] = getid3_iso::ISOtimeText2UNIXtime($info_iso_supplementaryVD_raw['volume_effective_date_time']);
229
230 if (($info_iso_supplementaryVD_raw['volume_space_size'] * $info_iso_supplementaryVD_raw['logical_block_size']) > $getid3->info['filesize']) {
231 throw new getid3_exception('Volume Space Size ('.($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?)');
232 }
233
234 return true;
235 }
236
237
238
239 private function ParsePathTable() {
240
241 $getid3 = $this->getid3;
242
243 if (!isset($getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location']) && !isset($getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'])) {
244 return false;
245 }
246 if (isset($getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'])) {
247 $path_table_location = $getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'];
248 $path_table_size = $getid3->info['iso']['supplementary_volume_descriptor']['raw']['path_table_size'];
249 $text_encoding = 'UTF-16BE'; // Big-Endian Unicode
250 }
251 else {
252 $path_table_location = $getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'];
253 $path_table_size = $getid3->info['iso']['primary_volume_descriptor']['raw']['path_table_size'];
254 $text_encoding = 'ISO-8859-1'; // Latin-1
255 }
256
257 if (($path_table_location * 2048) > $getid3->info['filesize']) {
258 throw new getid3_exception('Path Table Location specifies an offset ('.($path_table_location * 2048).') beyond the end-of-file ('.$getid3->info['filesize'].')');
259 }
260
261 $getid3->info['iso']['path_table']['offset'] = $path_table_location * 2048;
262 fseek($getid3->fp, $getid3->info['iso']['path_table']['offset'], SEEK_SET);
263 $getid3->info['iso']['path_table']['raw'] = fread($getid3->fp, $path_table_size);
264
265 $offset = 0;
266 $pathcounter = 1;
267 while ($offset < $path_table_size) {
268
269 $getid3->info['iso']['path_table']['directories'][$pathcounter] = array ();
270 $info_iso_pathtable_directories_current = &$getid3->info['iso']['path_table']['directories'][$pathcounter];
271
272 getid3_lib::ReadSequence('LittleEndian2Int', $info_iso_pathtable_directories_current, $getid3->info['iso']['path_table']['raw'], $offset,
273 array (
274 'length' => 1,
275 'extended_length' => 1,
276 'location_logical' => 4,
277 'parent_directory' => 2,
278 )
279 );
280
281 $info_iso_pathtable_directories_current['name'] = substr($getid3->info['iso']['path_table']['raw'], $offset+8, $info_iso_pathtable_directories_current['length']);
282
283 $offset += 8 + $info_iso_pathtable_directories_current['length'] + ($info_iso_pathtable_directories_current['length'] % 2);
284
285 $info_iso_pathtable_directories_current['name_ascii'] = $getid3->iconv($text_encoding, $getid3->encoding, $info_iso_pathtable_directories_current['name'], true);
286
287 $info_iso_pathtable_directories_current['location_bytes'] = $info_iso_pathtable_directories_current['location_logical'] * 2048;
288 if ($pathcounter == 1) {
289 $info_iso_pathtable_directories_current['full_path'] = '/';
290 }
291 else {
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'].'/';
293 }
294 $full_path_array[] = $info_iso_pathtable_directories_current['full_path'];
295
296 $pathcounter++;
297 }
298
299 return true;
300 }
301
302
303
304 private function ParseDirectoryRecord($directory_data) {
305
306 $getid3 = $this->getid3;
307
308 $text_encoding = isset($getid3->info['iso']['supplementary_volume_descriptor']) ? 'UTF-16BE' : 'ISO-8859-1';
309
310 fseek($getid3->fp, $directory_data['location_bytes'], SEEK_SET);
311 $directory_record_data = fread($getid3->fp, 1);
312
313 while (ord($directory_record_data{0}) > 33) {
314
315 $directory_record_data .= fread($getid3->fp, ord($directory_record_data{0}) - 1);
316
317 $this_directory_record = array ();
318 $this_directory_record['raw'] = array ();
319 $this_directory_record_raw = &$this_directory_record['raw'];
320
321 getid3_lib::ReadSequence('LittleEndian2Int', $this_directory_record_raw, $directory_record_data, 0,
322 array (
323 'length' => 1,
324 'extended_attribute_length' => 1,
325 'offset_logical' => 4,
326 'IGNORE-1' => 4,
327 'filesize' => 4,
328 'IGNORE-2' => 4,
329 'recording_date_time' => -7,
330 'file_flags' => 1,
331 'file_unit_size' => 1,
332 'interleave_gap_size' => 1,
333 'volume_sequence_number' => 2,
334 'IGNORE-3' => 2,
335 'file_identifier_length' => 1,
336 )
337 );
338
339 $this_directory_record_raw['file_identifier'] = substr($directory_record_data, 33, $this_directory_record_raw['file_identifier_length']);
340
341 $this_directory_record['file_identifier_ascii'] = $getid3->iconv($text_encoding, $getid3->encoding, $this_directory_record_raw['file_identifier'], true);
342 $this_directory_record['filesize'] = $this_directory_record_raw['filesize'];
343 $this_directory_record['offset_bytes'] = $this_directory_record_raw['offset_logical'] * 2048;
344 $this_directory_record['file_flags']['hidden'] = (bool)($this_directory_record_raw['file_flags'] & 0x01);
345 $this_directory_record['file_flags']['directory'] = (bool)($this_directory_record_raw['file_flags'] & 0x02);
346 $this_directory_record['file_flags']['associated'] = (bool)($this_directory_record_raw['file_flags'] & 0x04);
347 $this_directory_record['file_flags']['extended'] = (bool)($this_directory_record_raw['file_flags'] & 0x08);
348 $this_directory_record['file_flags']['permissions'] = (bool)($this_directory_record_raw['file_flags'] & 0x10);
349 $this_directory_record['file_flags']['multiple'] = (bool)($this_directory_record_raw['file_flags'] & 0x80);
350 $this_directory_record['recording_timestamp'] = getid3_iso::ISOtime2UNIXtime($this_directory_record_raw['recording_date_time']);
351
352 if ($this_directory_record['file_flags']['directory']) {
353 $this_directory_record['filename'] = $directory_data['full_path'];
354 }
355 else {
356 $this_directory_record['filename'] = $directory_data['full_path'].getid3_iso::ISOstripFilenameVersion($this_directory_record['file_identifier_ascii']);
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']));
358 }
359
360 $directory_record[] = $this_directory_record;
361 $directory_record_data = fread($getid3->fp, 1);
362 }
363
364 return $directory_record;
365 }
366
367
368
369 public static function ISOstripFilenameVersion($iso_filename) {
370
371 // convert 'filename.ext;1' to 'filename.ext'
372 if (!strstr($iso_filename, ';')) {
373 return $iso_filename;
374 }
375 return substr($iso_filename, 0, strpos($iso_filename, ';'));
376 }
377
378
379
380 public static function ISOtimeText2UNIXtime($iso_time) {
381
382 if (!(int)substr($iso_time, 0, 4)) {
383 return false;
384 }
385
386 return gmmktime((int)substr($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($iso_time, 0, 4));
387 }
388
389
390
391 public static function ISOtime2UNIXtime($iso_time) {
392
393 // Represented by seven bytes:
394 // 1: Number of years since 1900
395 // 2: Month of the year from 1 to 12
396 // 3: Day of the Month from 1 to 31
397 // 4: Hour of the day from 0 to 23
398 // 5: Minute of the hour from 0 to 59
399 // 6: second of the minute from 0 to 59
400 // 7: Offset from Greenwich Mean Time in number of 15 minute intervals from -48 (West) to +52 (East)
401
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);
403 }
404
405
406
407 public static function array_merge_clobber($array1, $array2) {
408
409 // written by kcØhireability*com
410 // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
411
412 if (!is_array($array1) || !is_array($array2)) {
413 return false;
414 }
415
416 $newarray = $array1;
417 foreach ($array2 as $key => $val) {
418 if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
419 $newarray[$key] = getid3_iso::array_merge_clobber($newarray[$key], $val);
420 } else {
421 $newarray[$key] = $val;
422 }
423 }
424 return $newarray;
425 }
426
427
428
429 public static function CreateDeepArray($array_path, $separator, $value) {
430
431 // assigns $value to a nested array path:
432 // $foo = getid3_lib::CreateDeepArray('/path/to/my', '/', 'file.txt')
433 // is the same as:
434 // $foo = array ('path'=>array('to'=>'array('my'=>array('file.txt'))));
435 // or
436 // $foo['path']['to']['my'] = 'file.txt';
437
438 while ($array_path{0} == $separator) {
439 $array_path = substr($array_path, 1);
440 }
441 if (($pos = strpos($array_path, $separator)) !== false) {
442 return array (substr($array_path, 0, $pos) => getid3_iso::CreateDeepArray(substr($array_path, $pos + 1), $separator, $value));
443 }
444
445 return array ($array_path => $value);
446 }
447
448 }
449
450 ?>