forked from leejo/CGI.pm
-
Notifications
You must be signed in to change notification settings - Fork 1
/
CGI.pm
7850 lines (6241 loc) · 245 KB
/
CGI.pm
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
package CGI;
require 5.004;
use Carp 'croak';
# See the bottom of this file for the POD documentation. Search for the
# string '=head'.
# You can run this file through either pod2man or pod2html to produce pretty
# documentation in manual or html file format (these utilities are part of the
# Perl 5 distribution).
# Copyright 1995-1998 Lincoln D. Stein. All rights reserved.
# It may be used and modified freely, but I do request that this copyright
# notice remain attached to the file. You may modify this module as you
# wish, but if you redistribute a modified version, please attach a note
# listing the modifications you have made.
# The most recent version and complete docs are available at:
# http://stein.cshl.org/WWW/software/CGI/
$CGI::revision = '$Id: CGI.pm,v 1.251 2008-04-23 13:08:23 lstein Exp $';
$CGI::VERSION='3.37';
# HARD-CODED LOCATION FOR FILE UPLOAD TEMPORARY FILES.
# UNCOMMENT THIS ONLY IF YOU KNOW WHAT YOU'RE DOING.
# $CGITempFile::TMPDIRECTORY = '/usr/tmp';
use CGI::Util qw(rearrange make_attributes unescape escape expires ebcdic2ascii ascii2ebcdic);
#use constant XHTML_DTD => ['-//W3C//DTD XHTML Basic 1.0//EN',
# 'http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd'];
use constant XHTML_DTD => ['-//W3C//DTD XHTML 1.0 Transitional//EN',
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'];
{
local $^W = 0;
$TAINTED = substr("$0$^X",0,0);
}
$MOD_PERL = 0; # no mod_perl by default
#global settings
$POST_MAX = -1; # no limit to uploaded files
$DISABLE_UPLOADS = 0;
@SAVED_SYMBOLS = ();
# >>>>> Here are some globals that you might want to adjust <<<<<<
sub initialize_globals {
# Set this to 1 to enable copious autoloader debugging messages
$AUTOLOAD_DEBUG = 0;
# Set this to 1 to generate XTML-compatible output
$XHTML = 1;
# Change this to the preferred DTD to print in start_html()
# or use default_dtd('text of DTD to use');
$DEFAULT_DTD = [ '-//W3C//DTD HTML 4.01 Transitional//EN',
'http://www.w3.org/TR/html4/loose.dtd' ] ;
# Set this to 1 to enable NOSTICKY scripts
# or:
# 1) use CGI qw(-nosticky)
# 2) $CGI::nosticky(1)
$NOSTICKY = 0;
# Set this to 1 to enable NPH scripts
# or:
# 1) use CGI qw(-nph)
# 2) CGI::nph(1)
# 3) print header(-nph=>1)
$NPH = 0;
# Set this to 1 to enable debugging from @ARGV
# Set to 2 to enable debugging from STDIN
$DEBUG = 1;
# Set this to 1 to make the temporary files created
# during file uploads safe from prying eyes
# or do...
# 1) use CGI qw(:private_tempfiles)
# 2) CGI::private_tempfiles(1);
$PRIVATE_TEMPFILES = 0;
# Set this to 1 to generate automatic tab indexes
$TABINDEX = 0;
# Set this to 1 to cause files uploaded in multipart documents
# to be closed, instead of caching the file handle
# or:
# 1) use CGI qw(:close_upload_files)
# 2) $CGI::close_upload_files(1);
# Uploads with many files run out of file handles.
# Also, for performance, since the file is already on disk,
# it can just be renamed, instead of read and written.
$CLOSE_UPLOAD_FILES = 0;
# Automatically determined -- don't change
$EBCDIC = 0;
# Change this to 1 to suppress redundant HTTP headers
$HEADERS_ONCE = 0;
# separate the name=value pairs by semicolons rather than ampersands
$USE_PARAM_SEMICOLONS = 1;
# Do not include undefined params parsed from query string
# use CGI qw(-no_undef_params);
$NO_UNDEF_PARAMS = 0;
# return everything as utf-8
$PARAM_UTF8 = 0;
# Other globals that you shouldn't worry about.
undef $Q;
$BEEN_THERE = 0;
$DTD_PUBLIC_IDENTIFIER = "";
undef @QUERY_PARAM;
undef %EXPORT;
undef $QUERY_CHARSET;
undef %QUERY_FIELDNAMES;
undef %QUERY_TMPFILES;
# prevent complaints by mod_perl
1;
}
# ------------------ START OF THE LIBRARY ------------
*end_form = \&endform;
# make mod_perlhappy
initialize_globals();
# FIGURE OUT THE OS WE'RE RUNNING UNDER
# Some systems support the $^O variable. If not
# available then require() the Config library
unless ($OS) {
unless ($OS = $^O) {
require Config;
$OS = $Config::Config{'osname'};
}
}
if ($OS =~ /^MSWin/i) {
$OS = 'WINDOWS';
} elsif ($OS =~ /^VMS/i) {
$OS = 'VMS';
} elsif ($OS =~ /^dos/i) {
$OS = 'DOS';
} elsif ($OS =~ /^MacOS/i) {
$OS = 'MACINTOSH';
} elsif ($OS =~ /^os2/i) {
$OS = 'OS2';
} elsif ($OS =~ /^epoc/i) {
$OS = 'EPOC';
} elsif ($OS =~ /^cygwin/i) {
$OS = 'CYGWIN';
} else {
$OS = 'UNIX';
}
# Some OS logic. Binary mode enabled on DOS, NT and VMS
$needs_binmode = $OS=~/^(WINDOWS|DOS|OS2|MSWin|CYGWIN)/;
# This is the default class for the CGI object to use when all else fails.
$DefaultClass = 'CGI' unless defined $CGI::DefaultClass;
# This is where to look for autoloaded routines.
$AutoloadClass = $DefaultClass unless defined $CGI::AutoloadClass;
# The path separator is a slash, backslash or semicolon, depending
# on the paltform.
$SL = {
UNIX => '/', OS2 => '\\', EPOC => '/', CYGWIN => '/',
WINDOWS => '\\', DOS => '\\', MACINTOSH => ':', VMS => '/'
}->{$OS};
# This no longer seems to be necessary
# Turn on NPH scripts by default when running under IIS server!
# $NPH++ if defined($ENV{'SERVER_SOFTWARE'}) && $ENV{'SERVER_SOFTWARE'}=~/IIS/;
$IIS++ if defined($ENV{'SERVER_SOFTWARE'}) && $ENV{'SERVER_SOFTWARE'}=~/IIS/;
# Turn on special checking for Doug MacEachern's modperl
if (exists $ENV{MOD_PERL}) {
# mod_perl handlers may run system() on scripts using CGI.pm;
# Make sure so we don't get fooled by inherited $ENV{MOD_PERL}
if (exists $ENV{MOD_PERL_API_VERSION} && $ENV{MOD_PERL_API_VERSION} == 2) {
$MOD_PERL = 2;
require Apache2::Response;
require Apache2::RequestRec;
require Apache2::RequestUtil;
require Apache2::RequestIO;
require APR::Pool;
} else {
$MOD_PERL = 1;
require Apache;
}
}
# Turn on special checking for ActiveState's PerlEx
$PERLEX++ if defined($ENV{'GATEWAY_INTERFACE'}) && $ENV{'GATEWAY_INTERFACE'} =~ /^CGI-PerlEx/;
# Define the CRLF sequence. I can't use a simple "\r\n" because the meaning
# of "\n" is different on different OS's (sometimes it generates CRLF, sometimes LF
# and sometimes CR). The most popular VMS web server
# doesn't accept CRLF -- instead it wants a LR. EBCDIC machines don't
# use ASCII, so \015\012 means something different. I find this all
# really annoying.
$EBCDIC = "\t" ne "\011";
if ($OS eq 'VMS') {
$CRLF = "\n";
} elsif ($EBCDIC) {
$CRLF= "\r\n";
} else {
$CRLF = "\015\012";
}
if ($needs_binmode) {
$CGI::DefaultClass->binmode(\*main::STDOUT);
$CGI::DefaultClass->binmode(\*main::STDIN);
$CGI::DefaultClass->binmode(\*main::STDERR);
}
%EXPORT_TAGS = (
':html2'=>['h1'..'h6',qw/p br hr ol ul li dl dt dd menu code var strong em
tt u i b blockquote pre img a address cite samp dfn html head
base body Link nextid title meta kbd start_html end_html
input Select option comment charset escapeHTML/],
':html3'=>[qw/div table caption th td TR Tr sup Sub strike applet Param
embed basefont style span layer ilayer font frameset frame script small big Area Map/],
':html4'=>[qw/abbr acronym bdo col colgroup del fieldset iframe
ins label legend noframes noscript object optgroup Q
thead tbody tfoot/],
':netscape'=>[qw/blink fontsize center/],
':form'=>[qw/textfield textarea filefield password_field hidden checkbox checkbox_group
submit reset defaults radio_group popup_menu button autoEscape
scrolling_list image_button start_form end_form startform endform
start_multipart_form end_multipart_form isindex tmpFileName uploadInfo URL_ENCODED MULTIPART/],
':cgi'=>[qw/param upload path_info path_translated request_uri url self_url script_name
cookie Dump
raw_cookie request_method query_string Accept user_agent remote_host content_type
remote_addr referer server_name server_software server_port server_protocol virtual_port
virtual_host remote_ident auth_type http append
save_parameters restore_parameters param_fetch
remote_user user_name header redirect import_names put
Delete Delete_all url_param cgi_error/],
':ssl' => [qw/https/],
':cgi-lib' => [qw/ReadParse PrintHeader HtmlTop HtmlBot SplitParam Vars/],
':html' => [qw/:html2 :html3 :html4 :netscape/],
':standard' => [qw/:html2 :html3 :html4 :form :cgi/],
':push' => [qw/multipart_init multipart_start multipart_end multipart_final/],
':all' => [qw/:html2 :html3 :netscape :form :cgi :internal :html4/]
);
# Custom 'can' method for both autoloaded and non-autoloaded subroutines.
# Author: Cees Hek <cees@sitesuite.com.au>
sub can {
my($class, $method) = @_;
# See if UNIVERSAL::can finds it.
if (my $func = $class -> SUPER::can($method) ){
return $func;
}
# Try to compile the function.
eval {
# _compile looks at $AUTOLOAD for the function name.
local $AUTOLOAD = join "::", $class, $method;
&_compile;
};
# Now that the function is loaded (if it exists)
# just use UNIVERSAL::can again to do the work.
return $class -> SUPER::can($method);
}
# to import symbols into caller
sub import {
my $self = shift;
# This causes modules to clash.
undef %EXPORT_OK;
undef %EXPORT;
$self->_setup_symbols(@_);
my ($callpack, $callfile, $callline) = caller;
# To allow overriding, search through the packages
# Till we find one in which the correct subroutine is defined.
my @packages = ($self,@{"$self\:\:ISA"});
foreach $sym (keys %EXPORT) {
my $pck;
my $def = ${"$self\:\:AutoloadClass"} || $DefaultClass;
foreach $pck (@packages) {
if (defined(&{"$pck\:\:$sym"})) {
$def = $pck;
last;
}
}
*{"${callpack}::$sym"} = \&{"$def\:\:$sym"};
}
}
sub compile {
my $pack = shift;
$pack->_setup_symbols('-compile',@_);
}
sub expand_tags {
my($tag) = @_;
return ("start_$1","end_$1") if $tag=~/^(?:\*|start_|end_)(.+)/;
my(@r);
return ($tag) unless $EXPORT_TAGS{$tag};
foreach (@{$EXPORT_TAGS{$tag}}) {
push(@r,&expand_tags($_));
}
return @r;
}
#### Method: new
# The new routine. This will check the current environment
# for an existing query string, and initialize itself, if so.
####
sub new {
my($class,@initializer) = @_;
my $self = {};
bless $self,ref $class || $class || $DefaultClass;
# always use a tempfile
$self->{'use_tempfile'} = 1;
if (ref($initializer[0])
&& (UNIVERSAL::isa($initializer[0],'Apache')
||
UNIVERSAL::isa($initializer[0],'Apache2::RequestRec')
)) {
$self->r(shift @initializer);
}
if (ref($initializer[0])
&& (UNIVERSAL::isa($initializer[0],'CODE'))) {
$self->upload_hook(shift @initializer, shift @initializer);
$self->{'use_tempfile'} = shift @initializer if (@initializer > 0);
}
if ($MOD_PERL) {
if ($MOD_PERL == 1) {
$self->r(Apache->request) unless $self->r;
my $r = $self->r;
$r->register_cleanup(\&CGI::_reset_globals);
$self->_setup_symbols(@SAVED_SYMBOLS) if @SAVED_SYMBOLS;
}
else {
# XXX: once we have the new API
# will do a real PerlOptions -SetupEnv check
$self->r(Apache2::RequestUtil->request) unless $self->r;
my $r = $self->r;
$r->subprocess_env unless exists $ENV{REQUEST_METHOD};
$r->pool->cleanup_register(\&CGI::_reset_globals);
$self->_setup_symbols(@SAVED_SYMBOLS) if @SAVED_SYMBOLS;
}
undef $NPH;
}
$self->_reset_globals if $PERLEX;
$self->init(@initializer);
return $self;
}
# We provide a DESTROY method so that we can ensure that
# temporary files are closed (via Fh->DESTROY) before they
# are unlinked (via CGITempFile->DESTROY) because it is not
# possible to unlink an open file on Win32. We explicitly
# call DESTROY on each, rather than just undefing them and
# letting Perl DESTROY them by garbage collection, in case the
# user is still holding any reference to them as well.
sub DESTROY {
my $self = shift;
if ($OS eq 'WINDOWS') {
foreach my $href (values %{$self->{'.tmpfiles'}}) {
$href->{hndl}->DESTROY if defined $href->{hndl};
$href->{name}->DESTROY if defined $href->{name};
}
}
}
sub r {
my $self = shift;
my $r = $self->{'.r'};
$self->{'.r'} = shift if @_;
$r;
}
sub upload_hook {
my $self;
if (ref $_[0] eq 'CODE') {
$CGI::Q = $self = $CGI::DefaultClass->new(@_);
} else {
$self = shift;
}
my ($hook,$data,$use_tempfile) = @_;
$self->{'.upload_hook'} = $hook;
$self->{'.upload_data'} = $data;
$self->{'use_tempfile'} = $use_tempfile if defined $use_tempfile;
}
#### Method: param
# Returns the value(s)of a named parameter.
# If invoked in a list context, returns the
# entire list. Otherwise returns the first
# member of the list.
# If name is not provided, return a list of all
# the known parameters names available.
# If more than one argument is provided, the
# second and subsequent arguments are used to
# set the value of the parameter.
####
sub param {
my($self,@p) = self_or_default(@_);
return $self->all_parameters unless @p;
my($name,$value,@other);
# For compatibility between old calling style and use_named_parameters() style,
# we have to special case for a single parameter present.
if (@p > 1) {
($name,$value,@other) = rearrange([NAME,[DEFAULT,VALUE,VALUES]],@p);
my(@values);
if (substr($p[0],0,1) eq '-') {
@values = defined($value) ? (ref($value) && ref($value) eq 'ARRAY' ? @{$value} : $value) : ();
} else {
foreach ($value,@other) {
push(@values,$_) if defined($_);
}
}
# If values is provided, then we set it.
if (@values or defined $value) {
$self->add_parameter($name);
$self->{$name}=[@values];
}
} else {
$name = $p[0];
}
return unless defined($name) && $self->{$name};
my @result = @{$self->{$name}};
if ($PARAM_UTF8) {
eval "require Encode; 1;" unless Encode->can('decode'); # bring in these functions
@result = map {ref $_ ? $_ : Encode::decode(utf8=>$_) } @result;
}
return wantarray ? @result : $result[0];
}
sub self_or_default {
return @_ if defined($_[0]) && (!ref($_[0])) &&($_[0] eq 'CGI');
unless (defined($_[0]) &&
(ref($_[0]) eq 'CGI' || UNIVERSAL::isa($_[0],'CGI')) # slightly optimized for common case
) {
$Q = $CGI::DefaultClass->new unless defined($Q);
unshift(@_,$Q);
}
return wantarray ? @_ : $Q;
}
sub self_or_CGI {
local $^W=0; # prevent a warning
if (defined($_[0]) &&
(substr(ref($_[0]),0,3) eq 'CGI'
|| UNIVERSAL::isa($_[0],'CGI'))) {
return @_;
} else {
return ($DefaultClass,@_);
}
}
########################################
# THESE METHODS ARE MORE OR LESS PRIVATE
# GO TO THE __DATA__ SECTION TO SEE MORE
# PUBLIC METHODS
########################################
# Initialize the query object from the environment.
# If a parameter list is found, this object will be set
# to an associative array in which parameter names are keys
# and the values are stored as lists
# If a keyword list is found, this method creates a bogus
# parameter list with the single parameter 'keywords'.
sub init {
my $self = shift;
my($query_string,$meth,$content_length,$fh,@lines) = ('','','','');
my $is_xforms;
my $initializer = shift; # for backward compatibility
local($/) = "\n";
# set autoescaping on by default
$self->{'escape'} = 1;
# if we get called more than once, we want to initialize
# ourselves from the original query (which may be gone
# if it was read from STDIN originally.)
if (defined(@QUERY_PARAM) && !defined($initializer)) {
for my $name (@QUERY_PARAM) {
my $val = $QUERY_PARAM{$name}; # always an arrayref;
$self->param('-name'=>$name,'-value'=> $val);
if (defined $val and ref $val eq 'ARRAY') {
for my $fh (grep {defined(fileno($_))} @$val) {
seek($fh,0,0); # reset the filehandle.
}
}
}
$self->charset($QUERY_CHARSET);
$self->{'.fieldnames'} = {%QUERY_FIELDNAMES};
$self->{'.tmpfiles'} = {%QUERY_TMPFILES};
return;
}
$meth=$ENV{'REQUEST_METHOD'} if defined($ENV{'REQUEST_METHOD'});
$content_length = defined($ENV{'CONTENT_LENGTH'}) ? $ENV{'CONTENT_LENGTH'} : 0;
$fh = to_filehandle($initializer) if $initializer;
# set charset to the safe ISO-8859-1
$self->charset('ISO-8859-1');
METHOD: {
# avoid unreasonably large postings
if (($POST_MAX > 0) && ($content_length > $POST_MAX)) {
#discard the post, unread
$self->cgi_error("413 Request entity too large");
last METHOD;
}
# Process multipart postings, but only if the initializer is
# not defined.
if ($meth eq 'POST'
&& defined($ENV{'CONTENT_TYPE'})
&& $ENV{'CONTENT_TYPE'}=~m|^multipart/form-data|
&& !defined($initializer)
) {
my($boundary) = $ENV{'CONTENT_TYPE'} =~ /boundary=\"?([^\";,]+)\"?/;
$self->read_multipart($boundary,$content_length);
last METHOD;
}
# Process XForms postings. We know that we have XForms in the
# following cases:
# method eq 'POST' && content-type eq 'application/xml'
# method eq 'POST' && content-type =~ /multipart\/related.+start=/
# There are more cases, actually, but for now, we don't support other
# methods for XForm posts.
# In a XForm POST, the QUERY_STRING is parsed normally.
# If the content-type is 'application/xml', we just set the param
# XForms:Model (referring to the xml syntax) param containing the
# unparsed XML data.
# In the case of multipart/related we set XForms:Model as above, but
# the other parts are available as uploads with the Content-ID as the
# the key.
# See the URL below for XForms specs on this issue.
# http://www.w3.org/TR/2006/REC-xforms-20060314/slice11.html#submit-options
if ($meth eq 'POST' && defined($ENV{'CONTENT_TYPE'})) {
if ($ENV{'CONTENT_TYPE'} eq 'application/xml') {
my($param) = 'XForms:Model';
my($value) = '';
$self->add_parameter($param);
$self->read_from_client(\$value,$content_length,0)
if $content_length > 0;
push (@{$self->{$param}},$value);
$is_xforms = 1;
} elsif ($ENV{'CONTENT_TYPE'} =~ /multipart\/related.+boundary=\"?([^\";,]+)\"?.+start=\"?\<?([^\"\>]+)\>?\"?/) {
my($boundary,$start) = ($1,$2);
my($param) = 'XForms:Model';
$self->add_parameter($param);
my($value) = $self->read_multipart_related($start,$boundary,$content_length,0);
push (@{$self->{$param}},$value);
if ($MOD_PERL) {
$query_string = $self->r->args;
} else {
$query_string = $ENV{'QUERY_STRING'} if defined $ENV{'QUERY_STRING'};
$query_string ||= $ENV{'REDIRECT_QUERY_STRING'} if defined $ENV{'REDIRECT_QUERY_STRING'};
}
$is_xforms = 1;
}
}
# If initializer is defined, then read parameters
# from it.
if (!$is_xforms && defined($initializer)) {
if (UNIVERSAL::isa($initializer,'CGI')) {
$query_string = $initializer->query_string;
last METHOD;
}
if (ref($initializer) && ref($initializer) eq 'HASH') {
foreach (keys %$initializer) {
$self->param('-name'=>$_,'-value'=>$initializer->{$_});
}
last METHOD;
}
if (defined($fh) && ($fh ne '')) {
while (<$fh>) {
chomp;
last if /^=/;
push(@lines,$_);
}
# massage back into standard format
if ("@lines" =~ /=/) {
$query_string=join("&",@lines);
} else {
$query_string=join("+",@lines);
}
last METHOD;
}
# last chance -- treat it as a string
$initializer = $$initializer if ref($initializer) eq 'SCALAR';
$query_string = $initializer;
last METHOD;
}
# If method is GET or HEAD, fetch the query from
# the environment.
if ($is_xforms || $meth=~/^(GET|HEAD)$/) {
if ($MOD_PERL) {
$query_string = $self->r->args;
} else {
$query_string = $ENV{'QUERY_STRING'} if defined $ENV{'QUERY_STRING'};
$query_string ||= $ENV{'REDIRECT_QUERY_STRING'} if defined $ENV{'REDIRECT_QUERY_STRING'};
}
last METHOD;
}
if ($meth eq 'POST' || $meth eq 'PUT') {
$self->read_from_client(\$query_string,$content_length,0)
if $content_length > 0;
# Some people want to have their cake and eat it too!
# Uncomment this line to have the contents of the query string
# APPENDED to the POST data.
# $query_string .= (length($query_string) ? '&' : '') . $ENV{'QUERY_STRING'} if defined $ENV{'QUERY_STRING'};
last METHOD;
}
# If $meth is not of GET, POST or HEAD, assume we're being debugged offline.
# Check the command line and then the standard input for data.
# We use the shellwords package in order to behave the way that
# UN*X programmers expect.
if ($DEBUG)
{
my $cmdline_ret = read_from_cmdline();
$query_string = $cmdline_ret->{'query_string'};
if (defined($cmdline_ret->{'subpath'}))
{
$self->path_info($cmdline_ret->{'subpath'});
}
}
}
# YL: Begin Change for XML handler 10/19/2001
if (!$is_xforms && ($meth eq 'POST' || $meth eq 'PUT')
&& defined($ENV{'CONTENT_TYPE'})
&& $ENV{'CONTENT_TYPE'} !~ m|^application/x-www-form-urlencoded|
&& $ENV{'CONTENT_TYPE'} !~ m|^multipart/form-data| ) {
my($param) = $meth . 'DATA' ;
$self->add_parameter($param) ;
push (@{$self->{$param}},$query_string);
undef $query_string ;
}
# YL: End Change for XML handler 10/19/2001
# We now have the query string in hand. We do slightly
# different things for keyword lists and parameter lists.
if (defined $query_string && length $query_string) {
if ($query_string =~ /[&=;]/) {
$self->parse_params($query_string);
} else {
$self->add_parameter('keywords');
$self->{'keywords'} = [$self->parse_keywordlist($query_string)];
}
}
# Special case. Erase everything if there is a field named
# .defaults.
if ($self->param('.defaults')) {
$self->delete_all();
}
# Associative array containing our defined fieldnames
$self->{'.fieldnames'} = {};
foreach ($self->param('.cgifields')) {
$self->{'.fieldnames'}->{$_}++;
}
# Clear out our default submission button flag if present
$self->delete('.submit');
$self->delete('.cgifields');
$self->save_request unless defined $initializer;
}
# FUNCTIONS TO OVERRIDE:
# Turn a string into a filehandle
sub to_filehandle {
my $thingy = shift;
return undef unless $thingy;
return $thingy if UNIVERSAL::isa($thingy,'GLOB');
return $thingy if UNIVERSAL::isa($thingy,'FileHandle');
if (!ref($thingy)) {
my $caller = 1;
while (my $package = caller($caller++)) {
my($tmp) = $thingy=~/[\':]/ ? $thingy : "$package\:\:$thingy";
return $tmp if defined(fileno($tmp));
}
}
return undef;
}
# send output to the browser
sub put {
my($self,@p) = self_or_default(@_);
$self->print(@p);
}
# print to standard output (for overriding in mod_perl)
sub print {
shift;
CORE::print(@_);
}
# get/set last cgi_error
sub cgi_error {
my ($self,$err) = self_or_default(@_);
$self->{'.cgi_error'} = $err if defined $err;
return $self->{'.cgi_error'};
}
sub save_request {
my($self) = @_;
# We're going to play with the package globals now so that if we get called
# again, we initialize ourselves in exactly the same way. This allows
# us to have several of these objects.
@QUERY_PARAM = $self->param; # save list of parameters
foreach (@QUERY_PARAM) {
next unless defined $_;
$QUERY_PARAM{$_}=$self->{$_};
}
$QUERY_CHARSET = $self->charset;
%QUERY_FIELDNAMES = %{$self->{'.fieldnames'}};
%QUERY_TMPFILES = %{ $self->{'.tmpfiles'} || {} };
}
sub parse_params {
my($self,$tosplit) = @_;
my(@pairs) = split(/[&;]/,$tosplit);
my($param,$value);
foreach (@pairs) {
($param,$value) = split('=',$_,2);
next unless defined $param;
next if $NO_UNDEF_PARAMS and not defined $value;
$value = '' unless defined $value;
$param = unescape($param);
$value = unescape($value);
$self->add_parameter($param);
push (@{$self->{$param}},$value);
}
}
sub add_parameter {
my($self,$param)=@_;
return unless defined $param;
push (@{$self->{'.parameters'}},$param)
unless defined($self->{$param});
}
sub all_parameters {
my $self = shift;
return () unless defined($self) && $self->{'.parameters'};
return () unless @{$self->{'.parameters'}};
return @{$self->{'.parameters'}};
}
# put a filehandle into binary mode (DOS)
sub binmode {
return unless defined($_[1]) && defined fileno($_[1]);
CORE::binmode($_[1]);
}
sub _make_tag_func {
my ($self,$tagname) = @_;
my $func = qq(
sub $tagname {
my (\$q,\$a,\@rest) = self_or_default(\@_);
my(\$attr) = '';
if (ref(\$a) && ref(\$a) eq 'HASH') {
my(\@attr) = make_attributes(\$a,\$q->{'escape'});
\$attr = " \@attr" if \@attr;
} else {
unshift \@rest,\$a if defined \$a;
}
);
if ($tagname=~/start_(\w+)/i) {
$func .= qq! return "<\L$1\E\$attr>";} !;
} elsif ($tagname=~/end_(\w+)/i) {
$func .= qq! return "<\L/$1\E>"; } !;
} else {
$func .= qq#
return \$XHTML ? "\L<$tagname\E\$attr />" : "\L<$tagname\E\$attr>" unless \@rest;
my(\$tag,\$untag) = ("\L<$tagname\E\$attr>","\L</$tagname>\E");
my \@result = map { "\$tag\$_\$untag" }
(ref(\$rest[0]) eq 'ARRAY') ? \@{\$rest[0]} : "\@rest";
return "\@result";
}#;
}
return $func;
}
sub AUTOLOAD {
print STDERR "CGI::AUTOLOAD for $AUTOLOAD\n" if $CGI::AUTOLOAD_DEBUG;
my $func = &_compile;
goto &$func;
}
sub _compile {
my($func) = $AUTOLOAD;
my($pack,$func_name);
{
local($1,$2); # this fixes an obscure variable suicide problem.
$func=~/(.+)::([^:]+)$/;
($pack,$func_name) = ($1,$2);
$pack=~s/::SUPER$//; # fix another obscure problem
$pack = ${"$pack\:\:AutoloadClass"} || $CGI::DefaultClass
unless defined(${"$pack\:\:AUTOLOADED_ROUTINES"});
my($sub) = \%{"$pack\:\:SUBS"};
unless (%$sub) {
my($auto) = \${"$pack\:\:AUTOLOADED_ROUTINES"};
local ($@,$!);
eval "package $pack; $$auto";
croak("$AUTOLOAD: $@") if $@;
$$auto = ''; # Free the unneeded storage (but don't undef it!!!)
}
my($code) = $sub->{$func_name};
$code = "sub $AUTOLOAD { }" if (!$code and $func_name eq 'DESTROY');
if (!$code) {
(my $base = $func_name) =~ s/^(start_|end_)//i;
if ($EXPORT{':any'} ||
$EXPORT{'-any'} ||
$EXPORT{$base} ||
(%EXPORT_OK || grep(++$EXPORT_OK{$_},&expand_tags(':html')))
&& $EXPORT_OK{$base}) {
$code = $CGI::DefaultClass->_make_tag_func($func_name);
}
}
croak("Undefined subroutine $AUTOLOAD\n") unless $code;
local ($@,$!);
eval "package $pack; $code";
if ($@) {
$@ =~ s/ at .*\n//;
croak("$AUTOLOAD: $@");
}
}
CORE::delete($sub->{$func_name}); #free storage
return "$pack\:\:$func_name";
}
sub _selected {
my $self = shift;
my $value = shift;
return '' unless $value;
return $XHTML ? qq(selected="selected" ) : qq(selected );
}
sub _checked {
my $self = shift;
my $value = shift;
return '' unless $value;
return $XHTML ? qq(checked="checked" ) : qq(checked );
}
sub _reset_globals { initialize_globals(); }
sub _setup_symbols {
my $self = shift;
my $compile = 0;
# to avoid reexporting unwanted variables
undef %EXPORT;
foreach (@_) {
$HEADERS_ONCE++, next if /^[:-]unique_headers$/;
$NPH++, next if /^[:-]nph$/;
$NOSTICKY++, next if /^[:-]nosticky$/;
$DEBUG=0, next if /^[:-]no_?[Dd]ebug$/;
$DEBUG=2, next if /^[:-][Dd]ebug$/;
$USE_PARAM_SEMICOLONS++, next if /^[:-]newstyle_urls$/;
$PARAM_UTF8++, next if /^[:-]utf8$/;
$XHTML++, next if /^[:-]xhtml$/;
$XHTML=0, next if /^[:-]no_?xhtml$/;
$USE_PARAM_SEMICOLONS=0, next if /^[:-]oldstyle_urls$/;
$PRIVATE_TEMPFILES++, next if /^[:-]private_tempfiles$/;
$TABINDEX++, next if /^[:-]tabindex$/;
$CLOSE_UPLOAD_FILES++, next if /^[:-]close_upload_files$/;
$EXPORT{$_}++, next if /^[:-]any$/;
$compile++, next if /^[:-]compile$/;
$NO_UNDEF_PARAMS++, next if /^[:-]no_undef_params$/;
# This is probably extremely evil code -- to be deleted some day.
if (/^[-]autoload$/) {
my($pkg) = caller(1);
*{"${pkg}::AUTOLOAD"} = sub {
my($routine) = $AUTOLOAD;
$routine =~ s/^.*::/CGI::/;
&$routine;
};
next;
}
foreach (&expand_tags($_)) {
tr/a-zA-Z0-9_//cd; # don't allow weird function names
$EXPORT{$_}++;
}
}
_compile_all(keys %EXPORT) if $compile;
@SAVED_SYMBOLS = @_;
}
sub charset {
my ($self,$charset) = self_or_default(@_);
$self->{'.charset'} = $charset if defined $charset;
$self->{'.charset'};
}
sub element_id {
my ($self,$new_value) = self_or_default(@_);
$self->{'.elid'} = $new_value if defined $new_value;
sprintf('%010d',$self->{'.elid'}++);
}
sub element_tab {
my ($self,$new_value) = self_or_default(@_);
$self->{'.etab'} ||= 1;
$self->{'.etab'} = $new_value if defined $new_value;
my $tab = $self->{'.etab'}++;
return '' unless $TABINDEX or defined $new_value;
return qq(tabindex="$tab" );
}
###############################################################################
################# THESE FUNCTIONS ARE AUTOLOADED ON DEMAND ####################
###############################################################################
$AUTOLOADED_ROUTINES = ''; # get rid of -w warning
$AUTOLOADED_ROUTINES=<<'END_OF_AUTOLOAD';
%SUBS = (
'URL_ENCODED'=> <<'END_OF_FUNC',
sub URL_ENCODED { 'application/x-www-form-urlencoded'; }
END_OF_FUNC
'MULTIPART' => <<'END_OF_FUNC',
sub MULTIPART { 'multipart/form-data'; }
END_OF_FUNC
'SERVER_PUSH' => <<'END_OF_FUNC',
sub SERVER_PUSH { 'multipart/x-mixed-replace;boundary="' . shift() . '"'; }
END_OF_FUNC
'new_MultipartBuffer' => <<'END_OF_FUNC',
# Create a new multipart buffer
sub new_MultipartBuffer {
my($self,$boundary,$length) = @_;
return MultipartBuffer->new($self,$boundary,$length);
}
END_OF_FUNC
'read_from_client' => <<'END_OF_FUNC',
# Read data from a file handle
sub read_from_client {
my($self, $buff, $len, $offset) = @_;
local $^W=0; # prevent a warning
return $MOD_PERL
? $self->r->read($$buff, $len, $offset)
: read(\*STDIN, $$buff, $len, $offset);
}
END_OF_FUNC
'delete' => <<'END_OF_FUNC',