/
Tar.php
1868 lines (1623 loc) · 61.4 KB
/
Tar.php
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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* File::CSV
*
* PHP versions 4 and 5
*
* Copyright (c) 1997-2008,
* Vincent Blavet <vincent@phpconcept.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* @category File_Formats
* @package Archive_Tar
* @author Vincent Blavet <vincent@phpconcept.net>
* @copyright 1997-2008 The Authors
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/Archive_Tar
*/
require_once 'PEAR.php';
define ('ARCHIVE_TAR_ATT_SEPARATOR', 90001);
define ('ARCHIVE_TAR_END_BLOCK', pack("a512", ''));
/**
* Creates a (compressed) Tar archive
*
* @author Vincent Blavet <vincent@phpconcept.net>
* @version $Revision$
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @package Archive_Tar
*/
class Archive_Tar extends PEAR
{
/**
* @var string Name of the Tar
*/
var $_tarname='';
/**
* @var boolean if true, the Tar file will be gzipped
*/
var $_compress=false;
/**
* @var string Type of compression : 'none', 'gz' or 'bz2'
*/
var $_compress_type='none';
/**
* @var string Explode separator
*/
var $_separator=' ';
/**
* @var file descriptor
*/
var $_file=0;
/**
* @var string Local Tar name of a remote Tar (http:// or ftp://)
*/
var $_temp_tarname='';
// {{{ constructor
/**
* Archive_Tar Class constructor. This flavour of the constructor only
* declare a new Archive_Tar object, identifying it by the name of the
* tar file.
* If the compress argument is set the tar will be read or created as a
* gzip or bz2 compressed TAR file.
*
* @param string $p_tarname The name of the tar archive to create
* @param string $p_compress can be null, 'gz' or 'bz2'. This
* parameter indicates if gzip or bz2 compression
* is required. For compatibility reason the
* boolean value 'true' means 'gz'.
* @access public
*/
function Archive_Tar($p_tarname, $p_compress = null)
{
$this->PEAR();
$this->_compress = false;
$this->_compress_type = 'none';
if (($p_compress === null) || ($p_compress == '')) {
if (@file_exists($p_tarname)) {
if ($fp = @fopen($p_tarname, "rb")) {
// look for gzip magic cookie
$data = fread($fp, 2);
fclose($fp);
if ($data == "\37\213") {
$this->_compress = true;
$this->_compress_type = 'gz';
// No sure it's enought for a magic code ....
} elseif ($data == "BZ") {
$this->_compress = true;
$this->_compress_type = 'bz2';
}
}
} else {
// probably a remote file or some file accessible
// through a stream interface
if (substr($p_tarname, -2) == 'gz') {
$this->_compress = true;
$this->_compress_type = 'gz';
} elseif ((substr($p_tarname, -3) == 'bz2') ||
(substr($p_tarname, -2) == 'bz')) {
$this->_compress = true;
$this->_compress_type = 'bz2';
}
}
} else {
if (($p_compress === true) || ($p_compress == 'gz')) {
$this->_compress = true;
$this->_compress_type = 'gz';
} else if ($p_compress == 'bz2') {
$this->_compress = true;
$this->_compress_type = 'bz2';
} else {
die("Unsupported compression type '$p_compress'\n".
"Supported types are 'gz' and 'bz2'.\n");
return false;
}
}
$this->_tarname = $p_tarname;
if ($this->_compress) { // assert zlib or bz2 extension support
if ($this->_compress_type == 'gz')
$extname = 'zlib';
else if ($this->_compress_type == 'bz2')
$extname = 'bz2';
if (!extension_loaded($extname)) {
PEAR::loadExtension($extname);
}
if (!extension_loaded($extname)) {
die("The extension '$extname' couldn't be found.\n".
"Please make sure your version of PHP was built ".
"with '$extname' support.\n");
return false;
}
}
}
// }}}
// {{{ destructor
function _Archive_Tar()
{
$this->_close();
// ----- Look for a local copy to delete
if ($this->_temp_tarname != '')
@unlink($this->_temp_tarname);
$this->_PEAR();
}
// }}}
// {{{ create()
/**
* This method creates the archive file and add the files / directories
* that are listed in $p_filelist.
* If a file with the same name exist and is writable, it is replaced
* by the new tar.
* The method return false and a PEAR error text.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* For each directory added in the archive, the files and
* sub-directories are also added.
* See also createModify() method for more details.
*
* @param array $p_filelist An array of filenames and directory names, or a
* single string with names separated by a single
* blank space.
* @return true on success, false on error.
* @see createModify()
* @access public
*/
function create($p_filelist)
{
return $this->createModify($p_filelist, '', '');
}
// }}}
// {{{ add()
/**
* This method add the files / directories that are listed in $p_filelist in
* the archive. If the archive does not exist it is created.
* The method return false and a PEAR error text.
* The files and directories listed are only added at the end of the archive,
* even if a file with the same name is already archived.
* See also createModify() method for more details.
*
* @param array $p_filelist An array of filenames and directory names, or a
* single string with names separated by a single
* blank space.
* @return true on success, false on error.
* @see createModify()
* @access public
*/
function add($p_filelist)
{
return $this->addModify($p_filelist, '', '');
}
// }}}
// {{{ extract()
function extract($p_path='')
{
return $this->extractModify($p_path, '');
}
// }}}
// {{{ listContent()
function listContent()
{
$v_list_detail = array();
if ($this->_openRead()) {
if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
unset($v_list_detail);
$v_list_detail = 0;
}
$this->_close();
}
return $v_list_detail;
}
// }}}
// {{{ createModify()
/**
* This method creates the archive file and add the files / directories
* that are listed in $p_filelist.
* If the file already exists and is writable, it is replaced by the
* new tar. It is a create and not an add. If the file exists and is
* read-only or is a directory it is not replaced. The method return
* false and a PEAR error text.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* The path indicated in $p_remove_dir will be removed from the
* memorized path of each file / directory listed when this path
* exists. By default nothing is removed (empty path '')
* The path indicated in $p_add_dir will be added at the beginning of
* the memorized path of each file / directory listed. However it can
* be set to empty ''. The adding of a path is done after the removing
* of path.
* The path add/remove ability enables the user to prepare an archive
* for extraction in a different path than the origin files are.
* See also addModify() method for file adding properties.
*
* @param array $p_filelist An array of filenames and directory names,
* or a single string with names separated by
* a single blank space.
* @param string $p_add_dir A string which contains a path to be added
* to the memorized path of each element in
* the list.
* @param string $p_remove_dir A string which contains a path to be
* removed from the memorized path of each
* element in the list, when relevant.
* @return boolean true on success, false on error.
* @access public
* @see addModify()
*/
function createModify($p_filelist, $p_add_dir, $p_remove_dir='')
{
$v_result = true;
if (!$this->_openWrite())
return false;
if ($p_filelist != '') {
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_cleanFile();
$this->_error('Invalid file list');
return false;
}
$v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir);
}
if ($v_result) {
$this->_writeFooter();
$this->_close();
} else
$this->_cleanFile();
return $v_result;
}
// }}}
// {{{ addModify()
/**
* This method add the files / directories listed in $p_filelist at the
* end of the existing archive. If the archive does not yet exists it
* is created.
* The $p_filelist parameter can be an array of string, each string
* representing a filename or a directory name with their path if
* needed. It can also be a single string with names separated by a
* single blank.
* The path indicated in $p_remove_dir will be removed from the
* memorized path of each file / directory listed when this path
* exists. By default nothing is removed (empty path '')
* The path indicated in $p_add_dir will be added at the beginning of
* the memorized path of each file / directory listed. However it can
* be set to empty ''. The adding of a path is done after the removing
* of path.
* The path add/remove ability enables the user to prepare an archive
* for extraction in a different path than the origin files are.
* If a file/dir is already in the archive it will only be added at the
* end of the archive. There is no update of the existing archived
* file/dir. However while extracting the archive, the last file will
* replace the first one. This results in a none optimization of the
* archive size.
* If a file/dir does not exist the file/dir is ignored. However an
* error text is send to PEAR error.
* If a file/dir is not readable the file/dir is ignored. However an
* error text is send to PEAR error.
*
* @param array $p_filelist An array of filenames and directory
* names, or a single string with names
* separated by a single blank space.
* @param string $p_add_dir A string which contains a path to be
* added to the memorized path of each
* element in the list.
* @param string $p_remove_dir A string which contains a path to be
* removed from the memorized path of
* each element in the list, when
* relevant.
* @return true on success, false on error.
* @access public
*/
function addModify($p_filelist, $p_add_dir, $p_remove_dir='')
{
$v_result = true;
if (!$this->_isArchive())
$v_result = $this->createModify($p_filelist, $p_add_dir,
$p_remove_dir);
else {
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_error('Invalid file list');
return false;
}
$v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir);
}
return $v_result;
}
// }}}
// {{{ addString()
/**
* This method add a single string as a file at the
* end of the existing archive. If the archive does not yet exists it
* is created.
*
* @param string $p_filename A string which contains the full
* filename path that will be associated
* with the string.
* @param string $p_string The content of the file added in
* the archive.
* @return true on success, false on error.
* @access public
*/
function addString($p_filename, $p_string)
{
$v_result = true;
if (!$this->_isArchive()) {
if (!$this->_openWrite()) {
return false;
}
$this->_close();
}
if (!$this->_openAppend())
return false;
// Need to check the get back to the temporary file ? ....
$v_result = $this->_addString($p_filename, $p_string);
$this->_writeFooter();
$this->_close();
return $v_result;
}
// }}}
// {{{ extractModify()
/**
* This method extract all the content of the archive in the directory
* indicated by $p_path. When relevant the memorized path of the
* files/dir can be modified by removing the $p_remove_path path at the
* beginning of the file/dir path.
* While extracting a file, if the directory path does not exists it is
* created.
* While extracting a file, if the file already exists it is replaced
* without looking for last modification date.
* While extracting a file, if the file already exists and is write
* protected, the extraction is aborted.
* While extracting a file, if a directory with the same name already
* exists, the extraction is aborted.
* While extracting a directory, if a file with the same name already
* exists, the extraction is aborted.
* While extracting a file/directory if the destination directory exist
* and is write protected, or does not exist but can not be created,
* the extraction is aborted.
* If after extraction an extracted file does not show the correct
* stored file size, the extraction is aborted.
* When the extraction is aborted, a PEAR error text is set and false
* is returned. However the result can be a partial extraction that may
* need to be manually cleaned.
*
* @param string $p_path The path of the directory where the
* files/dir need to by extracted.
* @param string $p_remove_path Part of the memorized path that can be
* removed if present at the beginning of
* the file/dir path.
* @return boolean true on success, false on error.
* @access public
* @see extractList()
*/
function extractModify($p_path, $p_remove_path)
{
$v_result = true;
$v_list_detail = array();
if ($v_result = $this->_openRead()) {
$v_result = $this->_extractList($p_path, $v_list_detail,
"complete", 0, $p_remove_path);
$this->_close();
}
return $v_result;
}
// }}}
// {{{ extractInString()
/**
* This method extract from the archive one file identified by $p_filename.
* The return value is a string with the file content, or NULL on error.
* @param string $p_filename The path of the file to extract in a string.
* @return a string with the file content or NULL.
* @access public
*/
function extractInString($p_filename)
{
if ($this->_openRead()) {
$v_result = $this->_extractInString($p_filename);
$this->_close();
} else {
$v_result = NULL;
}
return $v_result;
}
// }}}
// {{{ extractList()
/**
* This method extract from the archive only the files indicated in the
* $p_filelist. These files are extracted in the current directory or
* in the directory indicated by the optional $p_path parameter.
* If indicated the $p_remove_path can be used in the same way as it is
* used in extractModify() method.
* @param array $p_filelist An array of filenames and directory names,
* or a single string with names separated
* by a single blank space.
* @param string $p_path The path of the directory where the
* files/dir need to by extracted.
* @param string $p_remove_path Part of the memorized path that can be
* removed if present at the beginning of
* the file/dir path.
* @return true on success, false on error.
* @access public
* @see extractModify()
*/
function extractList($p_filelist, $p_path='', $p_remove_path='')
{
$v_result = true;
$v_list_detail = array();
if (is_array($p_filelist))
$v_list = $p_filelist;
elseif (is_string($p_filelist))
$v_list = explode($this->_separator, $p_filelist);
else {
$this->_error('Invalid string list');
return false;
}
if ($v_result = $this->_openRead()) {
$v_result = $this->_extractList($p_path, $v_list_detail, "partial",
$v_list, $p_remove_path);
$this->_close();
}
return $v_result;
}
// }}}
// {{{ setAttribute()
/**
* This method set specific attributes of the archive. It uses a variable
* list of parameters, in the format attribute code + attribute values :
* $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ',');
* @param mixed $argv variable list of attributes and values
* @return true on success, false on error.
* @access public
*/
function setAttribute()
{
$v_result = true;
// ----- Get the number of variable list of arguments
if (($v_size = func_num_args()) == 0) {
return true;
}
// ----- Get the arguments
$v_att_list = &func_get_args();
// ----- Read the attributes
$i=0;
while ($i<$v_size) {
// ----- Look for next option
switch ($v_att_list[$i]) {
// ----- Look for options that request a string value
case ARCHIVE_TAR_ATT_SEPARATOR :
// ----- Check the number of parameters
if (($i+1) >= $v_size) {
$this->_error('Invalid number of parameters for '
.'attribute ARCHIVE_TAR_ATT_SEPARATOR');
return false;
}
// ----- Get the value
$this->_separator = $v_att_list[$i+1];
$i++;
break;
default :
$this->_error('Unknow attribute code '.$v_att_list[$i].'');
return false;
}
// ----- Next attribute
$i++;
}
return $v_result;
}
// }}}
// {{{ _error()
function _error($p_message)
{
// ----- To be completed
$this->raiseError($p_message);
}
// }}}
// {{{ _warning()
function _warning($p_message)
{
// ----- To be completed
$this->raiseError($p_message);
}
// }}}
// {{{ _isArchive()
function _isArchive($p_filename=NULL)
{
if ($p_filename == NULL) {
$p_filename = $this->_tarname;
}
clearstatcache();
return @is_file($p_filename) && !@is_link($p_filename);
}
// }}}
// {{{ _openWrite()
function _openWrite()
{
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($this->_tarname, "wb9");
else if ($this->_compress_type == 'bz2')
$this->_file = @bzopen($this->_tarname, "w");
else if ($this->_compress_type == 'none')
$this->_file = @fopen($this->_tarname, "wb");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in write mode \''
.$this->_tarname.'\'');
return false;
}
return true;
}
// }}}
// {{{ _openRead()
function _openRead()
{
if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') {
// ----- Look if a local copy need to be done
if ($this->_temp_tarname == '') {
$this->_temp_tarname = uniqid('tar').'.tmp';
if (!$v_file_from = @fopen($this->_tarname, 'rb')) {
$this->_error('Unable to open in read mode \''
.$this->_tarname.'\'');
$this->_temp_tarname = '';
return false;
}
if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) {
$this->_error('Unable to open in write mode \''
.$this->_temp_tarname.'\'');
$this->_temp_tarname = '';
return false;
}
while ($v_data = @fread($v_file_from, 1024))
@fwrite($v_file_to, $v_data);
@fclose($v_file_from);
@fclose($v_file_to);
}
// ----- File to open if the local copy
$v_filename = $this->_temp_tarname;
} else
// ----- File to open if the normal Tar file
$v_filename = $this->_tarname;
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($v_filename, "rb");
else if ($this->_compress_type == 'bz2')
$this->_file = @bzopen($v_filename, "r");
else if ($this->_compress_type == 'none')
$this->_file = @fopen($v_filename, "rb");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in read mode \''.$v_filename.'\'');
return false;
}
return true;
}
// }}}
// {{{ _openReadWrite()
function _openReadWrite()
{
if ($this->_compress_type == 'gz')
$this->_file = @gzopen($this->_tarname, "r+b");
else if ($this->_compress_type == 'bz2') {
$this->_error('Unable to open bz2 in read/write mode \''
.$this->_tarname.'\' (limitation of bz2 extension)');
return false;
} else if ($this->_compress_type == 'none')
$this->_file = @fopen($this->_tarname, "r+b");
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
if ($this->_file == 0) {
$this->_error('Unable to open in read/write mode \''
.$this->_tarname.'\'');
return false;
}
return true;
}
// }}}
// {{{ _close()
function _close()
{
//if (isset($this->_file)) {
if (is_resource($this->_file)) {
if ($this->_compress_type == 'gz')
@gzclose($this->_file);
else if ($this->_compress_type == 'bz2')
@bzclose($this->_file);
else if ($this->_compress_type == 'none')
@fclose($this->_file);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
$this->_file = 0;
}
// ----- Look if a local copy need to be erase
// Note that it might be interesting to keep the url for a time : ToDo
if ($this->_temp_tarname != '') {
@unlink($this->_temp_tarname);
$this->_temp_tarname = '';
}
return true;
}
// }}}
// {{{ _cleanFile()
function _cleanFile()
{
$this->_close();
// ----- Look for a local copy
if ($this->_temp_tarname != '') {
// ----- Remove the local copy but not the remote tarname
@unlink($this->_temp_tarname);
$this->_temp_tarname = '';
} else {
// ----- Remove the local tarname file
@unlink($this->_tarname);
}
$this->_tarname = '';
return true;
}
// }}}
// {{{ _writeBlock()
function _writeBlock($p_binary_data, $p_len=null)
{
if (is_resource($this->_file)) {
if ($p_len === null) {
if ($this->_compress_type == 'gz')
@gzputs($this->_file, $p_binary_data);
else if ($this->_compress_type == 'bz2')
@bzwrite($this->_file, $p_binary_data);
else if ($this->_compress_type == 'none')
@fputs($this->_file, $p_binary_data);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
} else {
if ($this->_compress_type == 'gz')
@gzputs($this->_file, $p_binary_data, $p_len);
else if ($this->_compress_type == 'bz2')
@bzwrite($this->_file, $p_binary_data, $p_len);
else if ($this->_compress_type == 'none')
@fputs($this->_file, $p_binary_data, $p_len);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
}
return true;
}
// }}}
// {{{ _readBlock()
function _readBlock()
{
$v_block = null;
if (is_resource($this->_file)) {
if ($this->_compress_type == 'gz')
$v_block = @gzread($this->_file, 512);
else if ($this->_compress_type == 'bz2')
$v_block = @bzread($this->_file, 512);
else if ($this->_compress_type == 'none')
$v_block = @fread($this->_file, 512);
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
return $v_block;
}
// }}}
// {{{ _jumpBlock()
function _jumpBlock($p_len=null)
{
if (is_resource($this->_file)) {
if ($p_len === null)
$p_len = 1;
if ($this->_compress_type == 'gz') {
@gzseek($this->_file, gztell($this->_file)+($p_len*512));
}
else if ($this->_compress_type == 'bz2') {
// ----- Replace missing bztell() and bzseek()
for ($i=0; $i<$p_len; $i++)
$this->_readBlock();
} else if ($this->_compress_type == 'none')
@fseek($this->_file, ftell($this->_file)+($p_len*512));
else
$this->_error('Unknown or missing compression type ('
.$this->_compress_type.')');
}
return true;
}
// }}}
// {{{ _writeFooter()
function _writeFooter()
{
if (is_resource($this->_file)) {
// ----- Write the last 0 filled block for end of archive
$v_binary_data = pack('a1024', '');
$this->_writeBlock($v_binary_data);
}
return true;
}
// }}}
// {{{ _addList()
function _addList($p_list, $p_add_dir, $p_remove_dir)
{
$v_result=true;
$v_header = array();
// ----- Remove potential windows directory separator
$p_add_dir = $this->_translateWinPath($p_add_dir);
$p_remove_dir = $this->_translateWinPath($p_remove_dir, false);
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if (sizeof($p_list) == 0)
return true;
foreach ($p_list as $v_filename) {
if (!$v_result) {
break;
}
// ----- Skip the current tar name
if ($v_filename == $this->_tarname)
continue;
if ($v_filename == '')
continue;
if (!file_exists($v_filename)) {
$this->_warning("File '$v_filename' does not exist");
continue;
}
// ----- Add the file or directory header
if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir))
return false;
if (@is_dir($v_filename) && !@is_link($v_filename)) {
if (!($p_hdir = opendir($v_filename))) {
$this->_warning("Directory '$v_filename' can not be read");
continue;
}
while (false !== ($p_hitem = readdir($p_hdir))) {
if (($p_hitem != '.') && ($p_hitem != '..')) {
if ($v_filename != ".")
$p_temp_list[0] = $v_filename.'/'.$p_hitem;
else
$p_temp_list[0] = $p_hitem;
$v_result = $this->_addList($p_temp_list,
$p_add_dir,
$p_remove_dir);
}
}
unset($p_temp_list);
unset($p_hdir);
unset($p_hitem);
}
}
return $v_result;
}
// }}}
// {{{ _addFile()
function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir)
{
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if ($p_filename == '') {
$this->_error('Invalid file name');
return false;
}
// ----- Calculate the stored filename
$p_filename = $this->_translateWinPath($p_filename, false);;
$v_stored_filename = $p_filename;
if (strcmp($p_filename, $p_remove_dir) == 0) {
return true;
}
if ($p_remove_dir != '') {
if (substr($p_remove_dir, -1) != '/')
$p_remove_dir .= '/';
if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir)
$v_stored_filename = substr($p_filename, strlen($p_remove_dir));
}
$v_stored_filename = $this->_translateWinPath($v_stored_filename);
if ($p_add_dir != '') {
if (substr($p_add_dir, -1) == '/')
$v_stored_filename = $p_add_dir.$v_stored_filename;
else
$v_stored_filename = $p_add_dir.'/'.$v_stored_filename;
}
$v_stored_filename = $this->_pathReduction($v_stored_filename);
if ($this->_isArchive($p_filename)) {
if (($v_file = @fopen($p_filename, "rb")) == 0) {
$this->_warning("Unable to open file '".$p_filename
."' in binary read mode");
return true;
}
if (!$this->_writeHeader($p_filename, $v_stored_filename))
return false;
while (($v_buffer = fread($v_file, 512)) != '') {
$v_binary_data = pack("a512", "$v_buffer");
$this->_writeBlock($v_binary_data);
}
fclose($v_file);
} else {
// ----- Only header for dir
if (!$this->_writeHeader($p_filename, $v_stored_filename))
return false;
}
return true;
}
// }}}
// {{{ _addString()
function _addString($p_filename, $p_string)
{
if (!$this->_file) {
$this->_error('Invalid file descriptor');
return false;
}
if ($p_filename == '') {
$this->_error('Invalid file name');
return false;
}
// ----- Calculate the stored filename
$p_filename = $this->_translateWinPath($p_filename, false);;