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Comparing AnyEvent-HTTP/HTTP.pm (file contents):
Revision 1.67 by root, Fri Dec 31 06:18:54 2010 UTC vs.
Revision 1.73 by root, Fri Dec 31 21:00:36 2010 UTC

… …
94C<http_request> returns a "cancellation guard" - you have to keep the 94C<http_request> returns a "cancellation guard" - you have to keep the
95object at least alive until the callback get called. If the object gets 95object at least alive until the callback get called. If the object gets
96destroyed before the callback is called, the request will be cancelled. 96destroyed before the callback is called, the request will be cancelled.
97 97
98The callback will be called with the response body data as first argument 98The callback will be called with the response body data as first argument
99(or C<undef> if an error occured), and a hash-ref with response headers as 99(or C<undef> if an error occured), and a hash-ref with response headers
100second argument. 100(and trailers) as second argument.
101 101
102All the headers in that hash are lowercased. In addition to the response 102All the headers in that hash are lowercased. In addition to the response
103headers, the "pseudo-headers" (uppercase to avoid clashing with possible 103headers, the "pseudo-headers" (uppercase to avoid clashing with possible
104response headers) C<HTTPVersion>, C<Status> and C<Reason> contain the 104response headers) C<HTTPVersion>, C<Status> and C<Reason> contain the
105three parts of the HTTP Status-Line of the same name. If an error occurs 105three parts of the HTTP Status-Line of the same name. If an error occurs
… …
150Whether to recurse requests or not, e.g. on redirects, authentication 150Whether to recurse requests or not, e.g. on redirects, authentication
151retries and so on, and how often to do so. 151retries and so on, and how often to do so.
152 152
153=item headers => hashref 153=item headers => hashref
154 154
155The request headers to use. Currently, C<http_request> may provide its 155The request headers to use. Currently, C<http_request> may provide its own
156own C<Host:>, C<Content-Length:>, C<Connection:> and C<Cookie:> headers 156C<Host:>, C<Content-Length:>, C<Connection:> and C<Cookie:> headers and
157and will provide defaults for C<User-Agent:> and C<Referer:> (this can be 157will provide defaults at least for C<TE:>, C<Referer:> and C<User-Agent:>
158suppressed by using C<undef> for these headers in which case they won't be 158(this can be suppressed by using C<undef> for these headers in which case
159sent at all). 159they won't be sent at all).
160 160
161=item timeout => $seconds 161=item timeout => $seconds
162 162
163The time-out to use for various stages - each connect attempt will reset 163The time-out to use for various stages - each connect attempt will reset
164the timeout, as will read or write activity, i.e. this is not an overall 164the timeout, as will read or write activity, i.e. this is not an overall
… …
174C<$scheme> must be either missing, C<http> for HTTP or C<https> for 174C<$scheme> must be either missing, C<http> for HTTP or C<https> for
175HTTPS. 175HTTPS.
176 176
177=item body => $string 177=item body => $string
178 178
179The request body, usually empty. Will be-sent as-is (future versions of 179The request body, usually empty. Will be sent as-is (future versions of
180this module might offer more options). 180this module might offer more options).
181 181
182=item cookie_jar => $hash_ref 182=item cookie_jar => $hash_ref
183 183
184Passing this parameter enables (simplified) cookie-processing, loosely 184Passing this parameter enables (simplified) cookie-processing, loosely
185based on the original netscape specification. 185based on the original netscape specification.
186 186
187The C<$hash_ref> must be an (initially empty) hash reference which will 187The C<$hash_ref> must be an (initially empty) hash reference which will
188get updated automatically. It is possible to save the cookie_jar to 188get updated automatically. It is possible to save the cookie jar to
189persistent storage with something like JSON or Storable, but this is not 189persistent storage with something like JSON or Storable, but this is not
190recommended, as expiry times are currently being ignored. 190recommended, as session-only cookies might survive longer than expected.
191 191
192Note that this cookie implementation is not of very high quality, nor 192Note that this cookie implementation is not meant to be complete. If
193meant to be complete. If you want complete cookie management you have to 193you want complete cookie management you have to do that on your
194do that on your own. C<cookie_jar> is meant as a quick fix to get some 194own. C<cookie_jar> is meant as a quick fix to get some cookie-using sites
195cookie-using sites working. Cookies are a privacy disaster, do not use 195working. Cookies are a privacy disaster, do not use them unless required
196them unless required to. 196to.
197
198When cookie processing is enabled, the C<Cookie:> and C<Set-Cookie:>
199headers will be set and handled by this module, otherwise they will be
200left untouched.
197 201
198=item tls_ctx => $scheme | $tls_ctx 202=item tls_ctx => $scheme | $tls_ctx
199 203
200Specifies the AnyEvent::TLS context to be used for https connections. This 204Specifies the AnyEvent::TLS context to be used for https connections. This
201parameter follows the same rules as the C<tls_ctx> parameter to 205parameter follows the same rules as the C<tls_ctx> parameter to
… …
240 244
241This callback is useful, among other things, to quickly reject unwanted 245This callback is useful, among other things, to quickly reject unwanted
242content, which, if it is supposed to be rare, can be faster than first 246content, which, if it is supposed to be rare, can be faster than first
243doing a C<HEAD> request. 247doing a C<HEAD> request.
244 248
249The downside is that cancelling the request makes it impossible to re-use
250the connection. Also, the C<on_header> callback will not receive any
251trailer (headers sent after the response body).
252
245Example: cancel the request unless the content-type is "text/html". 253Example: cancel the request unless the content-type is "text/html".
246 254
247 on_header => sub { 255 on_header => sub {
248 $_[0]{"content-type"} =~ /^text\/html\s*(?:;|$)/ 256 $_[0]{"content-type"} =~ /^text\/html\s*(?:;|$)/
249 }, 257 },
… …
255string instead of the body data. 263string instead of the body data.
256 264
257It has to return either true (in which case AnyEvent::HTTP will continue), 265It has to return either true (in which case AnyEvent::HTTP will continue),
258or false, in which case AnyEvent::HTTP will cancel the download (and call 266or false, in which case AnyEvent::HTTP will cancel the download (and call
259the completion callback with an error code of C<598>). 267the completion callback with an error code of C<598>).
268
269The downside to cancelling the request is that it makes it impossible to
270re-use the connection.
260 271
261This callback is useful when the data is too large to be held in memory 272This callback is useful when the data is too large to be held in memory
262(so the callback writes it to a file) or when only some information should 273(so the callback writes it to a file) or when only some information should
263be extracted, or when the body should be processed incrementally. 274be extracted, or when the body should be processed incrementally.
264 275
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290If you think you need this, first have a look at C<on_body>, to see if 301If you think you need this, first have a look at C<on_body>, to see if
291that doesn't solve your problem in a better way. 302that doesn't solve your problem in a better way.
292 303
293=back 304=back
294 305
295Example: make a simple HTTP GET request for http://www.nethype.de/ 306Example: do a simple HTTP GET request for http://www.nethype.de/ and print
307the response body.
296 308
297 http_request GET => "http://www.nethype.de/", sub { 309 http_request GET => "http://www.nethype.de/", sub {
298 my ($body, $hdr) = @_; 310 my ($body, $hdr) = @_;
299 print "$body\n"; 311 print "$body\n";
300 }; 312 };
301 313
302Example: make a HTTP HEAD request on https://www.google.com/, use a 314Example: do a HTTP HEAD request on https://www.google.com/, use a
303timeout of 30 seconds. 315timeout of 30 seconds.
304 316
305 http_request 317 http_request
306 GET => "https://www.google.com", 318 GET => "https://www.google.com",
307 timeout => 30, 319 timeout => 30,
… …
310 use Data::Dumper; 322 use Data::Dumper;
311 print Dumper $hdr; 323 print Dumper $hdr;
312 } 324 }
313 ; 325 ;
314 326
315Example: make another simple HTTP GET request, but immediately try to 327Example: do another simple HTTP GET request, but immediately try to
316cancel it. 328cancel it.
317 329
318 my $request = http_request GET => "http://www.nethype.de/", sub { 330 my $request = http_request GET => "http://www.nethype.de/", sub {
319 my ($body, $hdr) = @_; 331 my ($body, $hdr) = @_;
320 print "$body\n"; 332 print "$body\n";
… …
352 push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; 364 push @{ $CO_SLOT{$_[0]}[1] }, $_[1];
353 365
354 _slot_schedule $_[0]; 366 _slot_schedule $_[0];
355} 367}
356 368
369# extract cookies from jar
370sub cookie_jar_extract($$$$) {
371 my ($jar, $uscheme, $uhost, $upath) = @_;
372
373 %$jar = () if $jar->{version} != 1;
374
375 my @cookies;
376
377 while (my ($chost, $paths) = each %$jar) {
378 next unless ref $paths;
379
380 if ($chost =~ /^\./) {
381 next unless $chost eq substr $uhost, -length $chost;
382 } elsif ($chost =~ /\./) {
383 next unless $chost eq $uhost;
384 } else {
385 next;
386 }
387
388 while (my ($cpath, $cookies) = each %$paths) {
389 next unless $cpath eq substr $upath, 0, length $cpath;
390
391 while (my ($cookie, $kv) = each %$cookies) {
392 next if $uscheme ne "https" && exists $kv->{secure};
393
394 if (exists $kv->{expires}) {
395 if (AE::now > parse_date ($kv->{expires})) {
396 delete $cookies->{$cookie};
397 next;
398 }
399 }
400
401 my $value = $kv->{value};
402
403 if ($value =~ /[=;,[:space:]]/) {
404 $value =~ s/([\\"])/\\$1/g;
405 $value = "\"$value\"";
406 }
407
408 push @cookies, "$cookie=$value";
409 }
410 }
411 }
412
413 \@cookies
414}
415
416# parse set_cookie header into jar
417sub cookie_jar_set_cookie($$$) {
418 my ($jar, $set_cookie, $uhost) = @_;
419
420 for ($set_cookie) {
421 # parse NAME=VALUE
422 my @kv;
423
424 while (
425 m{
426 \G\s*
427 (?:
428 expires \s*=\s* ([A-Z][a-z][a-z],\ [^,;]+)
429 | ([^=;,[:space:]]+) \s*=\s* (?: "((?:[^\\"]+|\\.)*)" | ([^=;,[:space:]]*) )
430 )
431 }gcxsi
432 ) {
433 my $name = $2;
434 my $value = $4;
435
436 unless (defined $name) {
437 # expires
438 $name = "expires";
439 $value = $1;
440 } elsif (!defined $value) {
441 # quoted
442 $value = $3;
443 $value =~ s/\\(.)/$1/gs;
444 }
445
446 push @kv, lc $name, $value;
447
448 last unless /\G\s*;/gc;
449 }
450
451 last unless @kv;
452
453 my $name = shift @kv;
454 my %kv = (value => shift @kv, @kv);
455
456 $kv{expires} ||= format_date (AE::now + $kv{"max-age"})
457 if exists $kv{"max-age"};
458
459 my $cdom;
460 my $cpath = (delete $kv{path}) || "/";
461
462 if (exists $kv{domain}) {
463 $cdom = delete $kv{domain};
464
465 $cdom =~ s/^\.?/./; # make sure it starts with a "."
466
467 next if $cdom =~ /\.$/;
468
469 # this is not rfc-like and not netscape-like. go figure.
470 my $ndots = $cdom =~ y/.//;
471 next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2);
472 } else {
473 $cdom = $uhost;
474 }
475
476 # store it
477 $jar->{version} = 1;
478 $jar->{$cdom}{$cpath}{$name} = \%kv;
479
480 redo if /\G\s*,/gc;
481 }
482}
483
357# continue to parse $_ for headers and place them into the arg 484# continue to parse $_ for headers and place them into the arg
358sub parse_hdr() { 485sub parse_hdr() {
359 my %hdr; 486 my %hdr;
360 487
361 # things seen, not parsed: 488 # things seen, not parsed:
… …
436 563
437 $upath =~ s%^/?%/%; 564 $upath =~ s%^/?%/%;
438 565
439 # cookie processing 566 # cookie processing
440 if (my $jar = $arg{cookie_jar}) { 567 if (my $jar = $arg{cookie_jar}) {
441 %$jar = () if $jar->{version} != 1; 568 my $cookies = cookie_jar_extract $jar, $uscheme, $uhost, $upath;
442 569
443 my @cookie;
444
445 while (my ($chost, $v) = each %$jar) {
446 if ($chost =~ /^\./) {
447 next unless $chost eq substr $uhost, -length $chost;
448 } elsif ($chost =~ /\./) {
449 next unless $chost eq $uhost;
450 } else {
451 next;
452 }
453
454 while (my ($cpath, $v) = each %$v) {
455 next unless $cpath eq substr $upath, 0, length $cpath;
456
457 while (my ($k, $v) = each %$v) {
458 next if $uscheme ne "https" && exists $v->{secure};
459 my $value = $v->{value};
460 $value =~ s/([\\"])/\\$1/g;
461 push @cookie, "$k=\"$value\"";
462 }
463 }
464 }
465
466 $hdr{cookie} = join "; ", @cookie 570 $hdr{cookie} = join "; ", @$cookies
467 if @cookie; 571 if @$cookies;
468 } 572 }
469 573
470 my ($rhost, $rport, $rscheme, $rpath); # request host, port, path 574 my ($rhost, $rport, $rscheme, $rpath); # request host, port, path
471 575
472 if ($proxy) { 576 if ($proxy) {
… …
486 $hdr{"user-agent"} = $USERAGENT unless exists $hdr{"user-agent"}; 590 $hdr{"user-agent"} = $USERAGENT unless exists $hdr{"user-agent"};
487 591
488 $hdr{"content-length"} = length $arg{body} 592 $hdr{"content-length"} = length $arg{body}
489 if length $arg{body} || $method ne "GET"; 593 if length $arg{body} || $method ne "GET";
490 594
491 $hdr{connection} = "close TE"; 595 $hdr{connection} = "close TE"; #1.1
492 $hdr{te} = "trailers" unless exists $hdr{te}; 596 $hdr{te} = "trailers" unless exists $hdr{te}; #1.1
493 597
494 my %state = (connect_guard => 1); 598 my %state = (connect_guard => 1);
495 599
496 _get_slot $uhost, sub { 600 _get_slot $uhost, sub {
497 $state{slot_guard} = shift; 601 $state{slot_guard} = shift;
… …
533# ++$KA_COUNT{$_[1]}; 637# ++$KA_COUNT{$_[1]};
534# $state{handle}{ka_count_guard} = AnyEvent::Util::guard { 638# $state{handle}{ka_count_guard} = AnyEvent::Util::guard {
535# --$KA_COUNT{$_[1]} 639# --$KA_COUNT{$_[1]}
536# }; 640# };
537# $hdr{connection} = "keep-alive"; 641# $hdr{connection} = "keep-alive";
538# } else {
539# delete $hdr{connection};
540# } 642# }
541 643
542 $state{handle}->starttls ("connect") if $rscheme eq "https"; 644 $state{handle}->starttls ("connect") if $rscheme eq "https";
543 645
544 # handle actual, non-tunneled, request 646 # handle actual, non-tunneled, request
… …
557 return unless %state; 659 return unless %state;
558 660
559 %hdr = (); # reduce memory usage, save a kitten, also make it possible to re-use 661 %hdr = (); # reduce memory usage, save a kitten, also make it possible to re-use
560 662
561 # status line and headers 663 # status line and headers
562 $state{handle}->push_read (line => $qr_nlnl, sub { 664 $state{read_response} = sub {
563 my $keepalive = pop;
564
565 for ("$_[1]") { 665 for ("$_[1]") {
566 y/\015//d; # weed out any \015, as they show up in the weirdest of places. 666 y/\015//d; # weed out any \015, as they show up in the weirdest of places.
567 667
568 /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\012]*) )? \012/igxc 668 /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\012]*) )? \012/igxc
569 or return (%state = (), $cb->(undef, { @pseudo, Status => 599, Reason => "Invalid server response" })); 669 or return (%state = (), $cb->(undef, { @pseudo, Status => 599, Reason => "Invalid server response" }));
670
671 # 100 Continue handling
672 # should not happen as we don't send expect: 100-continue,
673 # but we handle it just in case.
674 # since we send the request body regardless, if we get an error
675 # we are out of-sync, which we currently do NOT handle correctly.
676 return $state{handle}->push_read (line => $qr_nlnl, $state{read_response})
677 if $2 eq 100;
570 678
571 push @pseudo, 679 push @pseudo,
572 HTTPVersion => $1, 680 HTTPVersion => $1,
573 Status => $2, 681 Status => $2,
574 Reason => $3, 682 Reason => $3,
… …
614 $redirect = 1; 722 $redirect = 1;
615 } 723 }
616 } 724 }
617 725
618 my $finish = sub { # ($data, $err_status, $err_reason[, $keepalive]) 726 my $finish = sub { # ($data, $err_status, $err_reason[, $keepalive])
727 my $keepalive = pop;
728
619 $state{handle}->destroy if $state{handle}; 729 $state{handle}->destroy if $state{handle};
620 %state = (); 730 %state = ();
621 731
622 if (defined $_[1]) { 732 if (defined $_[1]) {
623 $hdr{OrigStatus} = $hdr{Status}; $hdr{Status} = $_[1]; 733 $hdr{OrigStatus} = $hdr{Status}; $hdr{Status} = $_[1];
624 $hdr{OrigReason} = $hdr{Reason}; $hdr{Reason} = $_[2]; 734 $hdr{OrigReason} = $hdr{Reason}; $hdr{Reason} = $_[2];
625 } 735 }
626 736
627 # set-cookie processing 737 # set-cookie processing
628 if ($arg{cookie_jar}) { 738 if ($arg{cookie_jar}) {
629 for ($hdr{"set-cookie"}) { 739 cookie_jar_set_cookie $arg{cookie_jar}, $hdr{"set-cookie"}, $uhost;
630 # parse NAME=VALUE
631 my @kv;
632
633 while (/\G\s* ([^=;,[:space:]]+) \s*=\s* (?: "((?:[^\\"]+|\\.)*)" | ([^=;,[:space:]]*) )/gcxs) {
634 my $name = $1;
635 my $value = $3;
636
637 unless ($value) {
638 $value = $2;
639 $value =~ s/\\(.)/$1/gs;
640 }
641
642 push @kv, $name => $value;
643
644 last unless /\G\s*;/gc;
645 }
646
647 last unless @kv;
648
649 my $name = shift @kv;
650 my %kv = (value => shift @kv, @kv);
651
652 my $cdom;
653 my $cpath = (delete $kv{path}) || "/";
654
655 if (exists $kv{domain}) {
656 $cdom = delete $kv{domain};
657
658 $cdom =~ s/^\.?/./; # make sure it starts with a "."
659
660 next if $cdom =~ /\.$/;
661
662 # this is not rfc-like and not netscape-like. go figure.
663 my $ndots = $cdom =~ y/.//;
664 next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2);
665 } else {
666 $cdom = $uhost;
667 }
668
669 # store it
670 $arg{cookie_jar}{version} = 1;
671 $arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv;
672
673 redo if /\G\s*,/gc;
674 }
675 } 740 }
676 741
677 if ($redirect && exists $hdr{location}) { 742 if ($redirect && exists $hdr{location}) {
678 # we ignore any errors, as it is very common to receive 743 # we ignore any errors, as it is very common to receive
679 # Content-Length != 0 but no actual body 744 # Content-Length != 0 but no actual body
… …
712 $_[0]->on_error (undef); 777 $_[0]->on_error (undef);
713 $_[0]->on_read (undef); 778 $_[0]->on_read (undef);
714 779
715 $finish->(delete $state{handle}); 780 $finish->(delete $state{handle});
716 781
717 } elsif ($hdr{"transfer-encoding"} =~ /chunked/) { 782 } elsif ($hdr{"transfer-encoding"} =~ /\bchunked\b/i) {
783 my $cl = 0;
718 my $body = undef; 784 my $body = undef;
719 my $on_body = $arg{on_body} || sub { $body .= shift; 1 }; 785 my $on_body = $arg{on_body} || sub { $body .= shift; 1 };
720 786
721 $_[0]->on_error (sub { $finish->(undef, 599 => $_[2]) }); 787 $_[0]->on_error (sub { $finish->(undef, 599 => $_[2]) });
722 788
… …
725 or $finish->(undef, 599 => "Garbled chunked transfer encoding"); 791 or $finish->(undef, 599 => "Garbled chunked transfer encoding");
726 792
727 my $len = hex $1; 793 my $len = hex $1;
728 794
729 if ($len) { 795 if ($len) {
796 $cl += $len;
797
730 $_[0]->push_read (chunk => hex $1, sub { 798 $_[0]->push_read (chunk => $len, sub {
731 $on_body->($_[1], \%hdr) 799 $on_body->($_[1], \%hdr)
732 or return $finish->(undef, 598 => "Request cancelled by on_body"); 800 or return $finish->(undef, 598 => "Request cancelled by on_body");
733 801
734 $_[0]->push_read (line => sub { 802 $_[0]->push_read (line => sub {
735 length $_[1] 803 length $_[1]
736 and return $finish->(undef, 599 => "Garbled chunked transfer encoding"); 804 and return $finish->(undef, 599 => "Garbled chunked transfer encoding");
737 $_[0]->push_read (line => $read_chunk); 805 $_[0]->push_read (line => $read_chunk);
738 }); 806 });
739 }); 807 });
740 } else { 808 } else {
809 $hdr{"content-length"} ||= $cl;
810
741 $_[0]->push_read (line => $qr_nlnl, sub { 811 $_[0]->push_read (line => $qr_nlnl, sub {
742 if (length $_[1]) { 812 if (length $_[1]) {
743 for ("$_[1]") { 813 for ("$_[1]") {
744 y/\015//d; # weed out any \015, as they show up in the weirdest of places. 814 y/\015//d; # weed out any \015, as they show up in the weirdest of places.
745 815
… …
796 }); 866 });
797 $_[0]->on_read (sub { }); 867 $_[0]->on_read (sub { });
798 } 868 }
799 } 869 }
800 } 870 }
801 }); 871 };
872
873 $state{handle}->push_read (line => $qr_nlnl, $state{read_response});
802 }; 874 };
803 875
804 # now handle proxy-CONNECT method 876 # now handle proxy-CONNECT method
805 if ($proxy && $uscheme eq "https") { 877 if ($proxy && $uscheme eq "https") {
806 # oh dear, we have to wrap it into a connect request 878 # oh dear, we have to wrap it into a connect request
… …
878Takes a POSIX timestamp (seconds since the epoch) and formats it as a HTTP 950Takes a POSIX timestamp (seconds since the epoch) and formats it as a HTTP
879Date (RFC 2616). 951Date (RFC 2616).
880 952
881=item $timestamp = AnyEvent::HTTP::parse_date $date 953=item $timestamp = AnyEvent::HTTP::parse_date $date
882 954
883Takes a HTTP Date (RFC 2616) and returns the corresponding POSIX 955Takes a HTTP Date (RFC 2616) or a Cookie date (netscape cookie spec) and
884timestamp, or C<undef> if the date cannot be parsed. 956returns the corresponding POSIX timestamp, or C<undef> if the date cannot
957be parsed.
885 958
886=item $AnyEvent::HTTP::MAX_RECURSE 959=item $AnyEvent::HTTP::MAX_RECURSE
887 960
888The default value for the C<recurse> request parameter (default: C<10>). 961The default value for the C<recurse> request parameter (default: C<10>).
889 962
… …
928sub parse_date($) { 1001sub parse_date($) {
929 my ($date) = @_; 1002 my ($date) = @_;
930 1003
931 my ($d, $m, $y, $H, $M, $S); 1004 my ($d, $m, $y, $H, $M, $S);
932 1005
933 if ($date =~ /^[A-Z][a-z][a-z], ([0-9][0-9]) ([A-Z][a-z][a-z]) ([0-9][0-9][0-9][0-9]) ([0-9][0-9]):([0-9][0-9]):([0-9][0-9]) GMT$/) { 1006 if ($date =~ /^[A-Z][a-z][a-z], ([0-9][0-9])[\- ]([A-Z][a-z][a-z])[\- ]([0-9][0-9][0-9][0-9]) ([0-9][0-9]):([0-9][0-9]):([0-9][0-9]) GMT$/) {
934 # RFC 822/1123, required by RFC 2616 1007 # RFC 822/1123, required by RFC 2616 (with " ")
1008 # cookie dates (with "-")
1009
935 ($d, $m, $y, $H, $M, $S) = ($1, $2, $3, $4, $5, $6); 1010 ($d, $m, $y, $H, $M, $S) = ($1, $2, $3, $4, $5, $6);
936 1011
937 } elsif ($date =~ /^[A-Z][a-z]+, ([0-9][0-9])-([A-Z][a-z][a-z])-([0-9][0-9]) ([0-9][0-9]):([0-9][0-9]):([0-9][0-9]) GMT$/) { 1012 } elsif ($date =~ /^[A-Z][a-z]+, ([0-9][0-9])-([A-Z][a-z][a-z])-([0-9][0-9]) ([0-9][0-9]):([0-9][0-9]):([0-9][0-9]) GMT$/) {
938 # RFC 850 1013 # RFC 850
939 ($d, $m, $y, $H, $M, $S) = ($1, $2, $3 < 69 ? $3 + 2000 : $3 + 1900, $4, $5, $6); 1014 ($d, $m, $y, $H, $M, $S) = ($1, $2, $3 < 69 ? $3 + 2000 : $3 + 1900, $4, $5, $6);

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