[ViewVC] Diff of: cvs/AnyEvent-HTTP/HTTP.pm

Comparing AnyEvent-HTTP/HTTP.pm (file contents):
Revision 1.62 by root, Thu Dec 30 04:30:24 2010 UTC vs.
Revision 1.84 by root, Sun Jan 2 05:13:27 2011 UTC

…		…
47	use AnyEvent::Util ();	47	use AnyEvent::Util ();
48	use AnyEvent::Handle ();	48	use AnyEvent::Handle ();
49		49
50	use base Exporter::;	50	use base Exporter::;
51		51
52	our $VERSION = '1.46';	52	our $VERSION = '1.5';
53		53
54	our @EXPORT = qw(http_get http_post http_head http_request);	54	our @EXPORT = qw(http_get http_post http_head http_request);
55		55
56	our $USERAGENT = "Mozilla/5.0 (compatible; U; AnyEvent-HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)";	56	our $USERAGENT = "Mozilla/5.0 (compatible; U; AnyEvent-HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)";
57	our $MAX_RECURSE = 10;	57	our $MAX_RECURSE = 10;
…		…
94	C<http_request> returns a "cancellation guard" - you have to keep the	94	C<http_request> returns a "cancellation guard" - you have to keep the
95	object at least alive until the callback get called. If the object gets	95	object at least alive until the callback get called. If the object gets
96	destroyed before the callback is called, the request will be cancelled.	96	destroyed before the callback is called, the request will be cancelled.
97		97
98	The callback will be called with the response body data as first argument	98	The 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
100	second argument.	100	(and trailers) as second argument.
101		101
102	All the headers in that hash are lowercased. In addition to the response	102	All the headers in that hash are lowercased. In addition to the response
103	headers, the "pseudo-headers" (uppercase to avoid clashing with possible	103	headers, the "pseudo-headers" (uppercase to avoid clashing with possible
104	response headers) C<HTTPVersion>, C<Status> and C<Reason> contain the	104	response headers) C<HTTPVersion>, C<Status> and C<Reason> contain the
105	three parts of the HTTP Status-Line of the same name.	105	three parts of the HTTP Status-Line of the same name. If an error occurs
		106	during the body phase of a request, then the original C<Status> and
		107	C<Reason> values from the header are available as C<OrigStatus> and
		108	C<OrigReason>.
106		109
107	The pseudo-header C<URL> contains the actual URL (which can differ from	110	The pseudo-header C<URL> contains the actual URL (which can differ from
108	the requested URL when following redirects - for example, you might get	111	the requested URL when following redirects - for example, you might get
109	an error that your URL scheme is not supported even though your URL is a	112	an error that your URL scheme is not supported even though your URL is a
110	valid http URL because it redirected to an ftp URL, in which case you can	113	valid http URL because it redirected to an ftp URL, in which case you can
…		…
119		122
120	If the server sends a header multiple times, then their contents will be	123	If the server sends a header multiple times, then their contents will be
121	joined together with a comma (C<,>), as per the HTTP spec.	124	joined together with a comma (C<,>), as per the HTTP spec.
122		125
123	If an internal error occurs, such as not being able to resolve a hostname,	126	If an internal error occurs, such as not being able to resolve a hostname,
124	then C<$data> will be C<undef>, C<< $headers->{Status} >> will be C<59x>	127	then C<$data> will be C<undef>, C<< $headers->{Status} >> will be
125	(usually C<599>) and the C<Reason> pseudo-header will contain an error	128	C<590>-C<599> and the C<Reason> pseudo-header will contain an error
126	message.	129	message. Currently the following status codes are used:
		130
		131	=over 4
		132
		133	=item 595 - errors during connection etsbalishment, proxy handshake.
		134
		135	=item 596 - errors during TLS negotiation, request sending and header processing.
		136
		137	=item 597 - errors during body receiving or processing.
		138
		139	=item 598 - user aborted request via C<on_header> or C<on_body>.
		140
		141	=item 599 - other, usually nonretryable, errors (garbled URL etc.).
		142
		143	=back
127		144
128	A typical callback might look like this:	145	A typical callback might look like this:
129		146
130	sub {	147	sub {
131	my ($body, $hdr) = @_;	148	my ($body, $hdr) = @_;
…		…
147	Whether to recurse requests or not, e.g. on redirects, authentication	164	Whether to recurse requests or not, e.g. on redirects, authentication
148	retries and so on, and how often to do so.	165	retries and so on, and how often to do so.
149		166
150	=item headers => hashref	167	=item headers => hashref
151		168
152	The request headers to use, with the header name (I<MUST be in lowercase>)	169	The request headers to use. Currently, C<http_request> may provide its own
153	as key and header value as hash value.	170	C<Host:>, C<Content-Length:>, C<Connection:> and C<Cookie:> headers and
154		171	will provide defaults at least for C<TE:>, C<Referer:> and C<User-Agent:>
155	Currently, http_request> may provide its own C<host>, C<content-length>,	172	(this can be suppressed by using C<undef> for these headers in which case
156	C<connection> and C<cookie> headers and will provide defaults for	173	they won't be sent at all).
157	C<user-agent> and C<referer> (this can be suppressed by using a value of
158	C<undef> for these headers in which case they won't be sent at all).
159		174
160	=item timeout => $seconds	175	=item timeout => $seconds
161		176
162	The time-out to use for various stages - each connect attempt will reset	177	The time-out to use for various stages - each connect attempt will reset
163	the timeout, as will read or write activity, i.e. this is not an overall	178	the timeout, as will read or write activity, i.e. this is not an overall
…		…
173	C<$scheme> must be either missing, C<http> for HTTP or C<https> for	188	C<$scheme> must be either missing, C<http> for HTTP or C<https> for
174	HTTPS.	189	HTTPS.
175		190
176	=item body => $string	191	=item body => $string
177		192
178	The request body, usually empty. Will be-sent as-is (future versions of	193	The request body, usually empty. Will be sent as-is (future versions of
179	this module might offer more options).	194	this module might offer more options).
180		195
181	=item cookie_jar => $hash_ref	196	=item cookie_jar => $hash_ref
182		197
183	Passing this parameter enables (simplified) cookie-processing, loosely	198	Passing this parameter enables (simplified) cookie-processing, loosely
184	based on the original netscape specification.	199	based on the original netscape specification.
185		200
186	The C<$hash_ref> must be an (initially empty) hash reference which will	201	The C<$hash_ref> must be an (initially empty) hash reference which
187	get updated automatically. It is possible to save the cookie_jar to	202	will get updated automatically. It is possible to save the cookie jar
188	persistent storage with something like JSON or Storable, but this is not	203	to persistent storage with something like JSON or Storable - see the
189	recommended, as expiry times are currently being ignored.	204	C<AnyEvent::HTTP::cookie_jar_expire> function if you wish to remove
		205	expired or session-only cookies, and also for documentation on the format
		206	of the cookie jar.
190		207
191	Note that this cookie implementation is not of very high quality, nor	208	Note that this cookie implementation is not meant to be complete. If
192	meant to be complete. If you want complete cookie management you have to	209	you want complete cookie management you have to do that on your
193	do that on your own. C<cookie_jar> is meant as a quick fix to get some	210	own. C<cookie_jar> is meant as a quick fix to get most cookie-using sites
194	cookie-using sites working. Cookies are a privacy disaster, do not use	211	working. Cookies are a privacy disaster, do not use them unless required
195	them unless required to.	212	to.
		213
		214	When cookie processing is enabled, the C<Cookie:> and C<Set-Cookie:>
		215	headers will be set and handled by this module, otherwise they will be
		216	left untouched.
196		217
197	=item tls_ctx => $scheme \| $tls_ctx	218	=item tls_ctx => $scheme \| $tls_ctx
198		219
199	Specifies the AnyEvent::TLS context to be used for https connections. This	220	Specifies the AnyEvent::TLS context to be used for https connections. This
200	parameter follows the same rules as the C<tls_ctx> parameter to	221	parameter follows the same rules as the C<tls_ctx> parameter to
…		…
239		260
240	This callback is useful, among other things, to quickly reject unwanted	261	This callback is useful, among other things, to quickly reject unwanted
241	content, which, if it is supposed to be rare, can be faster than first	262	content, which, if it is supposed to be rare, can be faster than first
242	doing a C<HEAD> request.	263	doing a C<HEAD> request.
243		264
		265	The downside is that cancelling the request makes it impossible to re-use
		266	the connection. Also, the C<on_header> callback will not receive any
		267	trailer (headers sent after the response body).
		268
244	Example: cancel the request unless the content-type is "text/html".	269	Example: cancel the request unless the content-type is "text/html".
245		270
246	on_header => sub {	271	on_header => sub {
247	$_[0]{"content-type"} =~ /^text\/html\s*(?:;\|$)/	272	$_[0]{"content-type"} =~ /^text\/html\s*(?:;\|$)/
248	},	273	},
…		…
254	string instead of the body data.	279	string instead of the body data.
255		280
256	It has to return either true (in which case AnyEvent::HTTP will continue),	281	It has to return either true (in which case AnyEvent::HTTP will continue),
257	or false, in which case AnyEvent::HTTP will cancel the download (and call	282	or false, in which case AnyEvent::HTTP will cancel the download (and call
258	the completion callback with an error code of C<598>).	283	the completion callback with an error code of C<598>).
		284
		285	The downside to cancelling the request is that it makes it impossible to
		286	re-use the connection.
259		287
260	This callback is useful when the data is too large to be held in memory	288	This callback is useful when the data is too large to be held in memory
261	(so the callback writes it to a file) or when only some information should	289	(so the callback writes it to a file) or when only some information should
262	be extracted, or when the body should be processed incrementally.	290	be extracted, or when the body should be processed incrementally.
263		291
…		…
289	If you think you need this, first have a look at C<on_body>, to see if	317	If you think you need this, first have a look at C<on_body>, to see if
290	that doesn't solve your problem in a better way.	318	that doesn't solve your problem in a better way.
291		319
292	=back	320	=back
293		321
294	Example: make a simple HTTP GET request for http://www.nethype.de/	322	Example: do a simple HTTP GET request for http://www.nethype.de/ and print
		323	the response body.
295		324
296	http_request GET => "http://www.nethype.de/", sub {	325	http_request GET => "http://www.nethype.de/", sub {
297	my ($body, $hdr) = @_;	326	my ($body, $hdr) = @_;
298	print "$body\n";	327	print "$body\n";
299	};	328	};
300		329
301	Example: make a HTTP HEAD request on https://www.google.com/, use a	330	Example: do a HTTP HEAD request on https://www.google.com/, use a
302	timeout of 30 seconds.	331	timeout of 30 seconds.
303		332
304	http_request	333	http_request
305	GET => "https://www.google.com",	334	GET => "https://www.google.com",
306	timeout => 30,	335	timeout => 30,
…		…
309	use Data::Dumper;	338	use Data::Dumper;
310	print Dumper $hdr;	339	print Dumper $hdr;
311	}	340	}
312	;	341	;
313		342
314	Example: make another simple HTTP GET request, but immediately try to	343	Example: do another simple HTTP GET request, but immediately try to
315	cancel it.	344	cancel it.
316		345
317	my $request = http_request GET => "http://www.nethype.de/", sub {	346	my $request = http_request GET => "http://www.nethype.de/", sub {
318	my ($body, $hdr) = @_;	347	my ($body, $hdr) = @_;
319	print "$body\n";	348	print "$body\n";
…		…
351	push @{ $CO_SLOT{$_[0]}[1] }, $_[1];	380	push @{ $CO_SLOT{$_[0]}[1] }, $_[1];
352		381
353	_slot_schedule $_[0];	382	_slot_schedule $_[0];
354	}	383	}
355		384
		385	#############################################################################
		386
		387	# expire cookies
		388	sub cookie_jar_expire($;$) {
		389	my ($jar, $session_end) = @_;
		390
		391	%$jar = () if $jar->{version} != 1;
		392
		393	my $anow = AE::now;
		394
		395	while (my ($chost, $paths) = each %$jar) {
		396	next unless ref $paths;
		397
		398	while (my ($cpath, $cookies) = each %$paths) {
		399	while (my ($cookie, $kv) = each %$cookies) {
		400	if (exists $kv->{_expires}) {
		401	delete $cookies->{$cookie}
		402	if $anow > $kv->{_expires};
		403	} elsif ($session_end) {
		404	delete $cookies->{$cookie};
		405	}
		406	}
		407
		408	delete $paths->{$cpath}
		409	unless %$cookies;
		410	}
		411
		412	delete $jar->{$chost}
		413	unless %$paths;
		414	}
		415	}
		416
		417	# extract cookies from jar
		418	sub cookie_jar_extract($$$$) {
		419	my ($jar, $uscheme, $uhost, $upath) = @_;
		420
		421	$uhost = lc $uhost;
		422
		423	%$jar = () if $jar->{version} != 1;
		424
		425	my @cookies;
		426
		427	while (my ($chost, $paths) = each %$jar) {
		428	next unless ref $paths;
		429
		430	if ($chost =~ /^\./) {
		431	next unless $chost eq substr $uhost, -length $chost;
		432	} elsif ($chost =~ /\./) {
		433	next unless $chost eq $uhost;
		434	} else {
		435	next;
		436	}
		437
		438	while (my ($cpath, $cookies) = each %$paths) {
		439	next unless $cpath eq substr $upath, 0, length $cpath;
		440
		441	while (my ($cookie, $kv) = each %$cookies) {
		442	next if $uscheme ne "https" && exists $kv->{secure};
		443
		444	if (exists $kv->{_expires} and AE::now > $kv->{_expires}) {
		445	delete $cookies->{$cookie};
		446	next;
		447	}
		448
		449	my $value = $kv->{value};
		450
		451	if ($value =~ /[=;,[:space:]]/) {
		452	$value =~ s/([\\"])/\\$1/g;
		453	$value = "\"$value\"";
		454	}
		455
		456	push @cookies, "$cookie=$value";
		457	}
		458	}
		459	}
		460
		461	\@cookies
		462	}
		463
		464	# parse set_cookie header into jar
		465	sub cookie_jar_set_cookie($$$$) {
		466	my ($jar, $set_cookie, $uhost, $date) = @_;
		467
		468	my $anow = int AE::now;
		469	my $snow; # server-now
		470
		471	for ($set_cookie) {
		472	# parse NAME=VALUE
		473	my @kv;
		474
		475	# expires is not http-compliant in the original cookie-spec,
		476	# we support the official date format and some extensions
		477	while (
		478	m{
		479	\G\s*
		480	(?:
		481	expires \s=\s ([A-Z][a-z][a-z]+,\ [^,;]+)
		482	\| ([^=;,[:space:]]+) (?: \s=\s (?: "((?:[^\\"]+\|\\.))" \| ([^=;,[:space:]]) ) )?
		483	)
		484	}gcxsi
		485	) {
		486	my $name = $2;
		487	my $value = $4;
		488
		489	if (defined $1) {
		490	# expires
		491	$name = "expires";
		492	$value = $1;
		493	} elsif (defined $3) {
		494	# quoted
		495	$value = $3;
		496	$value =~ s/\\(.)/$1/gs;
		497	}
		498
		499	push @kv, lc $name, $value;
		500
		501	last unless /\G\s*;/gc;
		502	}
		503
		504	last unless @kv;
		505
		506	my $name = shift @kv;
		507	my %kv = (value => shift @kv, @kv);
		508
		509	if (exists $kv{"max-age"}) {
		510	$kv{_expires} = $anow + delete $kv{"max-age"};
		511	} elsif (exists $kv{expires}) {
		512	$snow \|\|= parse_date ($date) \|\| $anow;
		513	$kv{_expires} = $anow + (parse_date (delete $kv{expires}) - $snow);
		514	} else {
		515	delete $kv{_expires};
		516	}
		517
		518	my $cdom;
		519	my $cpath = (delete $kv{path}) \|\| "/";
		520
		521	if (exists $kv{domain}) {
		522	$cdom = delete $kv{domain};
		523
		524	$cdom =~ s/^\.?/./; # make sure it starts with a "."
		525
		526	next if $cdom =~ /\.$/;
		527
		528	# this is not rfc-like and not netscape-like. go figure.
		529	my $ndots = $cdom =~ y/.//;
		530	next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2);
		531	} else {
		532	$cdom = $uhost;
		533	}
		534
		535	# store it
		536	$jar->{version} = 1;
		537	$jar->{lc $cdom}{$cpath}{$name} = \%kv;
		538
		539	redo if /\G\s*,/gc;
		540	}
		541	}
		542
		543	# continue to parse $_ for headers and place them into the arg
		544	sub parse_hdr() {
		545	my %hdr;
		546
		547	# things seen, not parsed:
		548	# p3pP="NON CUR OTPi OUR NOR UNI"
		549
		550	$hdr{lc $1} .= ",$2"
		551	while /\G
		552	([^:\000-\037]*):
		553	[\011\040]*
		554	((?: [^\012]+ \| \012[\011\040] )*)
		555	\012
		556	/gxc;
		557
		558	/\G$/
		559	or return;
		560
		561	# remove the "," prefix we added to all headers above
		562	substr $_, 0, 1, ""
		563	for values %hdr;
		564
		565	\%hdr
		566	}
		567
356	our $qr_nlnl = qr{(?<![^\012])\015?\012};	568	our $qr_nlnl = qr{(?<![^\012])\015?\012};
357		569
358	our $TLS_CTX_LOW = { cache => 1, sslv2 => 1 };	570	our $TLS_CTX_LOW = { cache => 1, sslv2 => 1 };
359	our $TLS_CTX_HIGH = { cache => 1, verify => 1, verify_peername => "https" };	571	our $TLS_CTX_HIGH = { cache => 1, verify => 1, verify_peername => "https" };
360		572
…		…
379	my @pseudo = (URL => $url);	591	my @pseudo = (URL => $url);
380	push @pseudo, Redirect => delete $arg{Redirect} if exists $arg{Redirect};	592	push @pseudo, Redirect => delete $arg{Redirect} if exists $arg{Redirect};
381		593
382	my $recurse = exists $arg{recurse} ? delete $arg{recurse} : $MAX_RECURSE;	594	my $recurse = exists $arg{recurse} ? delete $arg{recurse} : $MAX_RECURSE;
383		595
384	return $cb->(undef, { Status => 599, Reason => "Too many redirections", @pseudo })	596	return $cb->(undef, { @pseudo, Status => 599, Reason => "Too many redirections" })
385	if $recurse < 0;	597	if $recurse < 0;
386		598
387	my $proxy = $arg{proxy} \|\| $PROXY;	599	my $proxy = $arg{proxy} \|\| $PROXY;
388	my $timeout = $arg{timeout} \|\| $TIMEOUT;	600	my $timeout = $arg{timeout} \|\| $TIMEOUT;
389		601
…		…
392		604
393	$uscheme = lc $uscheme;	605	$uscheme = lc $uscheme;
394		606
395	my $uport = $uscheme eq "http" ? 80	607	my $uport = $uscheme eq "http" ? 80
396	: $uscheme eq "https" ? 443	608	: $uscheme eq "https" ? 443
397	: return $cb->(undef, { Status => 599, Reason => "Only http and https URL schemes supported", @pseudo });	609	: return $cb->(undef, { @pseudo, Status => 599, Reason => "Only http and https URL schemes supported" });
398		610
399	$uauthority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x	611	$uauthority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x
400	or return $cb->(undef, { Status => 599, Reason => "Unparsable URL", @pseudo });	612	or return $cb->(undef, { @pseudo, Status => 599, Reason => "Unparsable URL" });
401		613
402	my $uhost = $1;	614	my $uhost = $1;
403	$uport = $2 if defined $2;	615	$uport = $2 if defined $2;
404		616
405	$hdr{host} = defined $2 ? "$uhost:$2" : "$uhost"	617	$hdr{host} = defined $2 ? "$uhost:$2" : "$uhost"
…		…
410		622
411	$upath =~ s%^/?%/%;	623	$upath =~ s%^/?%/%;
412		624
413	# cookie processing	625	# cookie processing
414	if (my $jar = $arg{cookie_jar}) {	626	if (my $jar = $arg{cookie_jar}) {
415	%$jar = () if $jar->{version} != 1;	627	my $cookies = cookie_jar_extract $jar, $uscheme, $uhost, $upath;
416		628
417	my @cookie;
418
419	while (my ($chost, $v) = each %$jar) {
420	if ($chost =~ /^\./) {
421	next unless $chost eq substr $uhost, -length $chost;
422	} elsif ($chost =~ /\./) {
423	next unless $chost eq $uhost;
424	} else {
425	next;
426	}
427
428	while (my ($cpath, $v) = each %$v) {
429	next unless $cpath eq substr $upath, 0, length $cpath;
430
431	while (my ($k, $v) = each %$v) {
432	next if $uscheme ne "https" && exists $v->{secure};
433	my $value = $v->{value};
434	$value =~ s/([\\"])/\\$1/g;
435	push @cookie, "$k=\"$value\"";
436	}
437	}
438	}
439
440	$hdr{cookie} = join "; ", @cookie	629	$hdr{cookie} = join "; ", @$cookies
441	if @cookie;	630	if @$cookies;
442	}	631	}
443		632
444	my ($rhost, $rport, $rscheme, $rpath); # request host, port, path	633	my ($rhost, $rport, $rscheme, $rpath); # request host, port, path
445		634
446	if ($proxy) {	635	if ($proxy) {
…		…
454	} else {	643	} else {
455	($rhost, $rport, $rscheme, $rpath) = ($uhost, $uport, $uscheme, $upath);	644	($rhost, $rport, $rscheme, $rpath) = ($uhost, $uport, $uscheme, $upath);
456	}	645	}
457		646
458	# leave out fragment and query string, just a heuristic	647	# leave out fragment and query string, just a heuristic
459	$hdr{referer} \|\|= "$uscheme://$uauthority$upath" unless exists $hdr{referer};	648	$hdr{referer} = "$uscheme://$uauthority$upath" unless exists $hdr{referer};
460	$hdr{"user-agent"} \|\|= $USERAGENT unless exists $hdr{"user-agent"};	649	$hdr{"user-agent"} = $USERAGENT unless exists $hdr{"user-agent"};
461		650
462	$hdr{"content-length"} = length $arg{body}	651	$hdr{"content-length"} = length $arg{body}
463	if length $arg{body} \|\| $method ne "GET";	652	if length $arg{body} \|\| $method ne "GET";
464		653
		654	$hdr{connection} = "close TE"; #1.1
		655	$hdr{te} = "trailers" unless exists $hdr{te}; #1.1
		656
465	my %state = (connect_guard => 1);	657	my %state = (connect_guard => 1);
466		658
467	_get_slot $uhost, sub {	659	_get_slot $uhost, sub {
468	$state{slot_guard} = shift;	660	$state{slot_guard} = shift;
469		661
470	return unless $state{connect_guard};	662	return unless $state{connect_guard};
471		663
472	my $tcp_connect = $arg{tcp_connect}	664	my $ae_error = 595; # connecting
473	\|\| do { require AnyEvent::Socket; \&AnyEvent::Socket::tcp_connect };
474		665
475	$state{connect_guard} = $tcp_connect->(	666	# handle actual, non-tunneled, request
476	$rhost,	667	my $handle_actual_request = sub {
477	$rport,	668	$ae_error = 596; # request phase
478	sub {	669
479	$state{fh} = shift	670	$state{handle}->starttls ("connect") if $uscheme eq "https" && !exists $state{handle}{tls};
		671
		672	# send request
		673	$state{handle}->push_write (
		674	"$method $rpath HTTP/1.1\015\012"
		675	. (join "", map "\u$_: $hdr{$_}\015\012", grep defined $hdr{$_}, keys %hdr)
		676	. "\015\012"
		677	. (delete $arg{body})
		678	);
		679
		680	# return if error occured during push_write()
		681	return unless %state;
		682
		683	%hdr = (); # reduce memory usage, save a kitten, also make it possible to re-use
		684
		685	# status line and headers
		686	$state{read_response} = sub {
		687	for ("$_[1]") {
		688	y/\015//d; # weed out any \015, as they show up in the weirdest of places.
		689
		690	/^HTTP\/0([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\012]) )? \012/gxci
		691	or return (%state = (), $cb->(undef, { @pseudo, Status => 599, Reason => "Invalid server response" }));
		692
		693	# 100 Continue handling
		694	# should not happen as we don't send expect: 100-continue,
		695	# but we handle it just in case.
		696	# since we send the request body regardless, if we get an error
		697	# we are out of-sync, which we currently do NOT handle correctly.
		698	return $state{handle}->push_read (line => $qr_nlnl, $state{read_response})
		699	if $2 eq 100;
		700
		701	push @pseudo,
		702	HTTPVersion => $1,
		703	Status => $2,
		704	Reason => $3,
480	or do {	705	;
		706
		707	my $hdr = parse_hdr
		708	or return (%state = (), $cb->(undef, { @pseudo, Status => 599, Reason => "Garbled response headers" }));
		709
		710	%hdr = (%$hdr, @pseudo);
		711	}
		712
		713	# redirect handling
		714	# microsoft and other shitheads don't give a shit for following standards,
		715	# try to support some common forms of broken Location headers.
		716	if ($hdr{location} !~ /^(?: $ \| [^:\/?\#]+ : )/x) {
		717	$hdr{location} =~ s/^\.\/+//;
		718
		719	my $url = "$rscheme://$uhost:$uport";
		720
		721	unless ($hdr{location} =~ s/^\///) {
		722	$url .= $upath;
		723	$url =~ s/\/[^\/]*$//;
		724	}
		725
		726	$hdr{location} = "$url/$hdr{location}";
		727	}
		728
		729	my $redirect;
		730
		731	if ($recurse) {
		732	my $status = $hdr{Status};
		733
		734	# industry standard is to redirect POST as GET for
		735	# 301, 302 and 303, in contrast to HTTP/1.0 and 1.1.
		736	# also, the UA should ask the user for 301 and 307 and POST,
		737	# industry standard seems to be to simply follow.
		738	# we go with the industry standard.
		739	if ($status == 301 or $status == 302 or $status == 303) {
		740	# HTTP/1.1 is unclear on how to mutate the method
		741	$method = "GET" unless $method eq "HEAD";
481	my $err = "$!";	742	$redirect = 1;
		743	} elsif ($status == 307) {
		744	$redirect = 1;
		745	}
		746	}
		747
		748	my $finish = sub { # ($data, $err_status, $err_reason[, $keepalive])
		749	my $may_keep_alive = $_[3];
		750
		751	$state{handle}->destroy if $state{handle};
482	%state = ();	752	%state = ();
483	return $cb->(undef, { Status => 599, Reason => $err, @pseudo });	753
		754	if (defined $_[1]) {
		755	$hdr{OrigStatus} = $hdr{Status}; $hdr{Status} = $_[1];
		756	$hdr{OrigReason} = $hdr{Reason}; $hdr{Reason} = $_[2];
		757	}
		758
		759	# set-cookie processing
		760	if ($arg{cookie_jar}) {
		761	cookie_jar_set_cookie $arg{cookie_jar}, $hdr{"set-cookie"}, $uhost, $hdr{date};
		762	}
		763
		764	if ($redirect && exists $hdr{location}) {
		765	# we ignore any errors, as it is very common to receive
		766	# Content-Length != 0 but no actual body
		767	# we also access %hdr, as $_[1] might be an erro
		768	http_request (
		769	$method => $hdr{location},
		770	%arg,
		771	recurse => $recurse - 1,
		772	Redirect => [$_[0], \%hdr],
		773	$cb);
		774	} else {
		775	$cb->($_[0], \%hdr);
		776	}
		777	};
		778
		779	$ae_error = 597; # body phase
		780
		781	my $len = $hdr{"content-length"};
		782	warn "no content $redirect x<$len>$hdr{Status}\n";#d#
		783
		784	# body handling, many different code paths
		785	# - no body expected
		786	# - want_body_handle
		787	# - te chunked
		788	# - 2x length known (with or without on_body)
		789	# - 2x length not known (with or without on_body)
		790	if (!$redirect && $arg{on_header} && !$arg{on_header}(\%hdr)) {
		791	$finish->(undef, 598 => "Request cancelled by on_header");
		792	} elsif (
		793	$hdr{Status} =~ /^(?:1..\|204\|205\|304)$/
		794	or $method eq "HEAD"
		795	or (defined $len && $len == 0) # == 0, not !, because "0 " is true
		796	) {
		797	# no body
		798	$finish->("", undef, undef, 1);
		799
		800	} elsif (!$redirect && $arg{want_body_handle}) {
		801	$_[0]->on_eof (undef);
		802	$_[0]->on_error (undef);
		803	$_[0]->on_read (undef);
		804
		805	$finish->(delete $state{handle});
		806
		807	} elsif ($hdr{"transfer-encoding"} =~ /\bchunked\b/i) {
		808	my $cl = 0;
		809	my $body = undef;
		810	my $on_body = $arg{on_body} \|\| sub { $body .= shift; 1 };
		811
		812	$state{read_chunk} = sub {
		813	$_[1] =~ /^([0-9a-fA-F]+)/
		814	or $finish->(undef, $ae_error => "Garbled chunked transfer encoding");
		815
		816	my $len = hex $1;
		817
		818	if ($len) {
		819	$cl += $len;
		820
		821	$_[0]->push_read (chunk => $len, sub {
		822	$on_body->($_[1], \%hdr)
		823	or return $finish->(undef, 598 => "Request cancelled by on_body");
		824
		825	$_[0]->push_read (line => sub {
		826	length $_[1]
		827	and return $finish->(undef, $ae_error => "Garbled chunked transfer encoding");
		828	$_[0]->push_read (line => $state{read_chunk});
		829	});
		830	});
		831	} else {
		832	$hdr{"content-length"} \|\|= $cl;
		833
		834	$_[0]->push_read (line => $qr_nlnl, sub {
		835	if (length $_[1]) {
		836	for ("$_[1]") {
		837	y/\015//d; # weed out any \015, as they show up in the weirdest of places.
		838
		839	my $hdr = parse_hdr
		840	or return $finish->(undef, $ae_error => "Garbled response trailers");
		841
		842	%hdr = (%hdr, %$hdr);
		843	}
		844	}
		845
		846	$finish->($body, undef, undef, 1);
		847	});
		848	}
484	};	849	};
485		850
486	pop; # free memory, save a tree	851	$_[0]->push_read (line => $state{read_chunk});
487		852
		853	} elsif ($arg{on_body}) {
		854	if (defined $len) {
		855	$_[0]->on_read (sub {
		856	$len -= length $_[0]{rbuf};
		857
		858	$arg{on_body}(delete $_[0]{rbuf}, \%hdr)
		859	or return $finish->(undef, 598 => "Request cancelled by on_body");
		860
		861	$len > 0
		862	or $finish->("", undef, undef, 1);
		863	});
		864	} else {
		865	$_[0]->on_eof (sub {
		866	$finish->("");
		867	});
		868	$_[0]->on_read (sub {
		869	$arg{on_body}(delete $_[0]{rbuf}, \%hdr)
		870	or $finish->(undef, 598 => "Request cancelled by on_body");
		871	});
		872	}
		873	} else {
		874	$_[0]->on_eof (undef);
		875
		876	if (defined $len) {
		877	$_[0]->on_read (sub {
		878	$finish->((substr delete $_[0]{rbuf}, 0, $len, ""), undef, undef, 1)
		879	if $len <= length $_[0]{rbuf};
		880	});
		881	} else {
		882	$_[0]->on_error (sub {
		883	($! == Errno::EPIPE \|\| !$!)
		884	? $finish->(delete $_[0]{rbuf})
		885	: $finish->(undef, $ae_error => $_[2]);
		886	});
		887	$_[0]->on_read (sub { });
		888	}
		889	}
		890	};
		891
		892	$state{handle}->push_read (line => $qr_nlnl, $state{read_response});
		893	};
		894
		895	my $connect_cb = sub {
		896	$state{fh} = shift
		897	or do {
		898	my $err = "$!";
		899	%state = ();
		900	return $cb->(undef, { @pseudo, Status => $ae_error, Reason => $err });
		901	};
		902
488	return unless delete $state{connect_guard};	903	return unless delete $state{connect_guard};
489		904
490	# get handle	905	# get handle
491	$state{handle} = new AnyEvent::Handle	906	$state{handle} = new AnyEvent::Handle
492	fh => $state{fh},	907	fh => $state{fh},
493	peername => $rhost,	908	peername => $rhost,
494	tls_ctx => $arg{tls_ctx},	909	tls_ctx => $arg{tls_ctx},
495	# these need to be reconfigured on keepalive handles	910	# these need to be reconfigured on keepalive handles
496	timeout => $timeout,	911	timeout => $timeout,
497	on_error => sub {	912	on_error => sub {
498	%state = ();	913	%state = ();
499	$cb->(undef, { Status => 599, Reason => $_[2], @pseudo });	914	$cb->(undef, { @pseudo, Status => $ae_error, Reason => $_[2] });
500	},	915	},
501	on_eof => sub {	916	on_eof => sub {
502	%state = ();	917	%state = ();
503	$cb->(undef, { Status => 599, Reason => "Unexpected end-of-file", @pseudo });	918	$cb->(undef, { @pseudo, Status => $ae_error, Reason => "Unexpected end-of-file" });
504	},	919	},
505	;	920	;
506		921
507	# limit the number of persistent connections	922	# limit the number of persistent connections
508	# keepalive not yet supported	923	# keepalive not yet supported
509	# if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) {	924	# if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) {
510	# ++$KA_COUNT{$_[1]};	925	# ++$KA_COUNT{$_[1]};
511	# $state{handle}{ka_count_guard} = AnyEvent::Util::guard {	926	# $state{handle}{ka_count_guard} = AnyEvent::Util::guard {
512	# --$KA_COUNT{$_[1]}	927	# --$KA_COUNT{$_[1]}
513	# };	928	# };
514	# $hdr{connection} = "keep-alive";	929	# $hdr{connection} = "keep-alive";
515	# } else {
516	delete $hdr{connection};
517	# }	930	# }
518		931
519	$state{handle}->starttls ("connect") if $rscheme eq "https";	932	$state{handle}->starttls ("connect") if $rscheme eq "https";
520		933
521	# handle actual, non-tunneled, request
522	my $handle_actual_request = sub {
523	$state{handle}->starttls ("connect") if $uscheme eq "https" && !exists $state{handle}{tls};
524
525	# send request
526	$state{handle}->push_write (
527	"$method $rpath HTTP/1.0\015\012"
528	. (join "", map "\u$_: $hdr{$_}\015\012", grep defined $hdr{$_}, keys %hdr)
529	. "\015\012"
530	. (delete $arg{body})
531	);
532
533	# return if error occured during push_write()
534	return unless %state;
535
536	%hdr = (); # reduce memory usage, save a kitten, also make it possible to re-use
537
538	# status line and headers
539	$state{handle}->push_read (line => $qr_nlnl, sub {
540	for ("$_[1]") {
541	y/\015//d; # weed out any \015, as they show up in the weirdest of places.
542
543	/^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )? \015?\012/igxc
544	or return (%state = (), $cb->(undef, { Status => 599, Reason => "Invalid server response", @pseudo }));
545
546	push @pseudo,
547	HTTPVersion => $1,
548	Status => $2,
549	Reason => $3,
550	;
551
552	# things seen, not parsed:
553	# p3pP="NON CUR OTPi OUR NOR UNI"
554
555	$hdr{lc $1} .= ",$2"
556	while /\G
557	([^:\000-\037]*):
558	[\011\040]*
559	((?: [^\012]+ \| \012[\011\040] )*)
560	\012
561	/gxc;
562
563	/\G$/
564	or return (%state = (), $cb->(undef, { Status => 599, Reason => "Garbled response headers", @pseudo }));
565	}
566
567	# remove the "," prefix we added to all headers above
568	substr $_, 0, 1, ""
569	for values %hdr;
570
571	# patch in all pseudo headers
572	%hdr = (%hdr, @pseudo);
573
574	# redirect handling
575	# microsoft and other shitheads don't give a shit for following standards,
576	# try to support some common forms of broken Location headers.
577	if ($hdr{location} !~ /^(?: $ \| [^:\/?\#]+ : )/x) {
578	$hdr{location} =~ s/^\.\/+//;
579
580	my $url = "$rscheme://$uhost:$uport";
581
582	unless ($hdr{location} =~ s/^\///) {
583	$url .= $upath;
584	$url =~ s/\/[^\/]*$//;
585	}
586
587	$hdr{location} = "$url/$hdr{location}";
588	}
589
590	my $redirect;
591
592	if ($recurse) {
593	my $status = $hdr{Status};
594
595	# industry standard is to redirect POST as GET for
596	# 301, 302 and 303, in contrast to http/1.0 and 1.1.
597	# also, the UA should ask the user for 301 and 307 and POST,
598	# industry standard seems to be to simply follow.
599	# we go with the industry standard.
600	if ($status == 301 or $status == 302 or $status == 303) {
601	# HTTP/1.1 is unclear on how to mutate the method
602	$method = "GET" unless $method eq "HEAD";
603	$redirect = 1;
604	} elsif ($status == 307) {
605	$redirect = 1;
606	}
607	}
608
609	my $finish = sub {
610	$state{handle}->destroy if $state{handle};
611	%state = ();
612
613	# set-cookie processing
614	if ($arg{cookie_jar}) {
615	for ($_[1]{"set-cookie"}) {
616	# parse NAME=VALUE
617	my @kv;
618
619	while (/\G\s* ([^=;,[:space:]]+) \s=\s (?: "((?:[^\\"]+\|\\.))" \| ([^=;,[:space:]]) )/gcxs) {
620	my $name = $1;
621	my $value = $3;
622
623	unless ($value) {
624	$value = $2;
625	$value =~ s/\\(.)/$1/gs;
626	}
627
628	push @kv, $name => $value;
629
630	last unless /\G\s*;/gc;
631	}
632
633	last unless @kv;
634
635	my $name = shift @kv;
636	my %kv = (value => shift @kv, @kv);
637
638	my $cdom;
639	my $cpath = (delete $kv{path}) \|\| "/";
640
641	if (exists $kv{domain}) {
642	$cdom = delete $kv{domain};
643
644	$cdom =~ s/^\.?/./; # make sure it starts with a "."
645
646	next if $cdom =~ /\.$/;
647
648	# this is not rfc-like and not netscape-like. go figure.
649	my $ndots = $cdom =~ y/.//;
650	next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2);
651	} else {
652	$cdom = $uhost;
653	}
654
655	# store it
656	$arg{cookie_jar}{version} = 1;
657	$arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv;
658
659	redo if /\G\s*,/gc;
660	}
661	}
662
663	if ($redirect && exists $hdr{location}) {
664	# we ignore any errors, as it is very common to receive
665	# Content-Length != 0 but no actual body
666	# we also access %hdr, as $_[1] might be an erro
667	http_request (
668	$method => $hdr{location},
669	%arg,
670	recurse => $recurse - 1,
671	Redirect => \@_,
672	$cb);
673	} else {
674	$cb->($_[0], $_[1]);
675	}
676	};
677
678	my $len = $hdr{"content-length"};
679
680	if (!$redirect && $arg{on_header} && !$arg{on_header}(\%hdr)) {
681	$finish->(undef, { Status => 598, Reason => "Request cancelled by on_header", @pseudo });
682	} elsif (
683	$hdr{Status} =~ /^(?:1..\|[23]04)$/
684	or $method eq "HEAD"
685	or (defined $len && !$len)
686	) {
687	# no body
688	$finish->("", \%hdr);
689	} else {
690	# body handling, four different code paths
691	# for want_body_handle, on_body (2x), normal (2x)
692	# we might read too much here, but it does not matter yet (no pers. connections)
693	if (!$redirect && $arg{want_body_handle}) {
694	$_[0]->on_eof (undef);
695	$_[0]->on_error (undef);
696	$_[0]->on_read (undef);
697
698	$finish->(delete $state{handle}, \%hdr);
699
700	} elsif ($arg{on_body}) {
701	$_[0]->on_error (sub { $finish->(undef, { Status => 599, Reason => $_[2], @pseudo }) });
702	if ($len) {
703	$_[0]->on_eof (undef);
704	$_[0]->on_read (sub {
705	$len -= length $_[0]{rbuf};
706
707	$arg{on_body}(delete $_[0]{rbuf}, \%hdr)
708	or $finish->(undef, { Status => 598, Reason => "Request cancelled by on_body", @pseudo });
709
710	$len > 0
711	or $finish->("", \%hdr);
712	});
713	} else {
714	$_[0]->on_eof (sub {
715	$finish->("", \%hdr);
716	});
717	$_[0]->on_read (sub {
718	$arg{on_body}(delete $_[0]{rbuf}, \%hdr)
719	or $finish->(undef, { Status => 598, Reason => "Request cancelled by on_body", @pseudo });
720	});
721	}
722	} else {
723	$_[0]->on_eof (undef);
724
725	if ($len) {
726	$_[0]->on_error (sub { $finish->(undef, { Status => 599, Reason => $_[2], @pseudo }) });
727	$_[0]->on_read (sub {
728	$finish->((substr delete $_[0]{rbuf}, 0, $len, ""), \%hdr)
729	if $len <= length $_[0]{rbuf};
730	});
731	} else {
732	$_[0]->on_error (sub {
733	($! == Errno::EPIPE \|\| !$!)
734	? $finish->(delete $_[0]{rbuf}, \%hdr)
735	: $finish->(undef, { Status => 599, Reason => $_[2], @pseudo });
736	});
737	$_[0]->on_read (sub { });
738	}
739	}
740	}
741	});
742	};
743
744	# now handle proxy-CONNECT method	934	# now handle proxy-CONNECT method
745	if ($proxy && $uscheme eq "https") {	935	if ($proxy && $uscheme eq "https") {
746	# oh dear, we have to wrap it into a connect request	936	# oh dear, we have to wrap it into a connect request
747		937
748	# maybe re-use $uauthority with patched port?	938	# maybe re-use $uauthority with patched port?
749	$state{handle}->push_write ("CONNECT $uhost:$uport HTTP/1.0\015\012Host: $uhost\015\012\015\012");	939	$state{handle}->push_write ("CONNECT $uhost:$uport HTTP/1.0\015\012Host: $uhost\015\012\015\012");
750	$state{handle}->push_read (line => $qr_nlnl, sub {	940	$state{handle}->push_read (line => $qr_nlnl, sub {
751	$_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix	941	$_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix
752	or return (%state = (), $cb->(undef, { Status => 599, Reason => "Invalid proxy connect response ($_[1])", @pseudo }));	942	or return (%state = (), $cb->(undef, { @pseudo, Status => 599, Reason => "Invalid proxy connect response ($_[1])" }));
753		943
754	if ($2 == 200) {	944	if ($2 == 200) {
755	$rpath = $upath;	945	$rpath = $upath;
756	&$handle_actual_request;	946	$handle_actual_request->();
757	} else {	947	} else {
758	%state = ();	948	%state = ();
759	$cb->(undef, { Status => $2, Reason => $3, @pseudo });	949	$cb->(undef, { @pseudo, Status => $2, Reason => $3 });
760	}
761	});	950	}
762	} else {
763	&$handle_actual_request;
764	}	951	});
765		952	} else {
		953	$handle_actual_request->();
766	},	954	}
767	$arg{on_prepare} \|\| sub { $timeout }
768	);	955	};
		956
		957	my $tcp_connect = $arg{tcp_connect}
		958	\|\| do { require AnyEvent::Socket; \&AnyEvent::Socket::tcp_connect };
		959
		960	$state{connect_guard} = $tcp_connect->($rhost, $rport, $connect_cb, $arg{on_prepare} \|\| sub { $timeout });
769	};	961	};
770		962
771	defined wantarray && AnyEvent::Util::guard { %state = () }	963	defined wantarray && AnyEvent::Util::guard { %state = () }
772	}	964	}
773		965
…		…
808	string of the form C<http://host:port> (optionally C<https:...>), croaks	1000	string of the form C<http://host:port> (optionally C<https:...>), croaks
809	otherwise.	1001	otherwise.
810		1002
811	To clear an already-set proxy, use C<undef>.	1003	To clear an already-set proxy, use C<undef>.
812		1004
		1005	=item AnyEvent::HTTP::cookie_jar_expire $jar[, $session_end]
		1006
		1007	Remove all cookies from the cookie jar that have been expired. If
		1008	C<$session_end> is given and true, then additionally remove all session
		1009	cookies.
		1010
		1011	You should call this function (with a true C<$session_end>) before you
		1012	save cookies to disk, and you should call this function after loading them
		1013	again. If you have a long-running program you can additonally call this
		1014	function from time to time.
		1015
		1016	A cookie jar is initially an empty hash-reference that is managed by this
		1017	module. It's format is subject to change, but currently it is like this:
		1018
		1019	The key C<version> has to contain C<1>, otherwise the hash gets
		1020	emptied. All other keys are hostnames or IP addresses pointing to
		1021	hash-references. The key for these inner hash references is the
		1022	server path for which this cookie is meant, and the values are again
		1023	hash-references. The keys of those hash-references is the cookie name, and
		1024	the value, you guessed it, is another hash-reference, this time with the
		1025	key-value pairs from the cookie, except for C<expires> and C<max-age>,
		1026	which have been replaced by a C<_expires> key that contains the cookie
		1027	expiry timestamp.
		1028
		1029	Here is an example of a cookie jar with a single cookie, so you have a
		1030	chance of understanding the above paragraph:
		1031
		1032	{
		1033	version => 1,
		1034	"10.0.0.1" => {
		1035	"/" => {
		1036	"mythweb_id" => {
		1037	_expires => 1293917923,
		1038	value => "ooRung9dThee3ooyXooM1Ohm",
		1039	},
		1040	},
		1041	},
		1042	}
		1043
813	=item $date = AnyEvent::HTTP::format_date $timestamp	1044	=item $date = AnyEvent::HTTP::format_date $timestamp
814		1045
815	Takes a POSIX timestamp (seconds since the epoch) and formats it as a HTTP	1046	Takes a POSIX timestamp (seconds since the epoch) and formats it as a HTTP
816	Date (RFC 2616).	1047	Date (RFC 2616).
817		1048
818	=item $timestamp = AnyEvent::HTTP::parse_date $date	1049	=item $timestamp = AnyEvent::HTTP::parse_date $date
819		1050
820	Takes a HTTP Date (RFC 2616) and returns the corresponding POSIX	1051	Takes a HTTP Date (RFC 2616) or a Cookie date (netscape cookie spec) or a
		1052	bunch of minor variations of those, and returns the corresponding POSIX
821	timestamp, or C<undef> if the date cannot be parsed.	1053	timestamp, or C<undef> if the date cannot be parsed.
822		1054
823	=item $AnyEvent::HTTP::MAX_RECURSE	1055	=item $AnyEvent::HTTP::MAX_RECURSE
824		1056
825	The default value for the C<recurse> request parameter (default: C<10>).	1057	The default value for the C<recurse> request parameter (default: C<10>).
…		…
865	sub parse_date($) {	1097	sub parse_date($) {
866	my ($date) = @_;	1098	my ($date) = @_;
867		1099
868	my ($d, $m, $y, $H, $M, $S);	1100	my ($d, $m, $y, $H, $M, $S);
869		1101
870	if ($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$/) {	1102	if ($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$/) {
871	# RFC 822/1123, required by RFC 2616	1103	# RFC 822/1123, required by RFC 2616 (with " ")
		1104	# cookie dates (with "-")
		1105
872	($d, $m, $y, $H, $M, $S) = ($1, $2, $3, $4, $5, $6);	1106	($d, $m, $y, $H, $M, $S) = ($1, $2, $3, $4, $5, $6);
873		1107
874	} elsif ($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$/) {	1108	} elsif ($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]?) GMT$/) {
875	# RFC 850	1109	# RFC 850
876	($d, $m, $y, $H, $M, $S) = ($1, $2, $3 < 69 ? $3 + 2000 : $3 + 1900, $4, $5, $6);	1110	($d, $m, $y, $H, $M, $S) = ($1, $2, $3 < 69 ? $3 + 2000 : $3 + 1900, $4, $5, $6);
877		1111
878	} elsif ($date =~ /^[A-Z][a-z][a-z] ([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][0-9][0-9])$/) {	1112	} elsif ($date =~ /^[A-Z][a-z][a-z]+ ([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][0-9][0-9])$/) {
879	# ISO C's asctime	1113	# ISO C's asctime
880	($d, $m, $y, $H, $M, $S) = ($2, $1, $6, $3, $4, $5);	1114	($d, $m, $y, $H, $M, $S) = ($2, $1, $6, $3, $4, $5);
881	}	1115	}
882	# other formats fail in the loop below	1116	# other formats fail in the loop below
883		1117

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Comparing AnyEvent-HTTP/HTTP.pm (file contents): Revision 1.62 by root, Thu Dec 30 04:30:24 2010 UTC vs. Revision 1.84 by root, Sun Jan 2 05:13:27 2011 UTC

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Comparing AnyEvent-HTTP/HTTP.pm (file contents):
Revision 1.62 by root, Thu Dec 30 04:30:24 2010 UTC vs.
Revision 1.84 by root, Sun Jan 2 05:13:27 2011 UTC