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3 | AnyEvent::HTTP - simple but non-blocking HTTP/HTTPS client |
3 | AnyEvent::HTTP - simple but non-blocking HTTP/HTTPS client |
4 | |
4 | |
5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
6 | |
6 | |
7 | use AnyEvent::HTTP; |
7 | use AnyEvent::HTTP; |
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8 | |
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9 | http_get "http://www.nethype.de/", sub { print $_[1] }; |
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10 | |
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11 | # ... do something else here |
8 | |
12 | |
9 | =head1 DESCRIPTION |
13 | =head1 DESCRIPTION |
10 | |
14 | |
11 | This module is an L<AnyEvent> user, you need to make sure that you use and |
15 | This module is an L<AnyEvent> user, you need to make sure that you use and |
12 | run a supported event loop. |
16 | run a supported event loop. |
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44 | use AnyEvent::Socket (); |
48 | use AnyEvent::Socket (); |
45 | use AnyEvent::Handle (); |
49 | use AnyEvent::Handle (); |
46 | |
50 | |
47 | use base Exporter::; |
51 | use base Exporter::; |
48 | |
52 | |
49 | our $VERSION = '1.0'; |
53 | our $VERSION = '1.12'; |
50 | |
54 | |
51 | our @EXPORT = qw(http_get http_request); |
55 | our @EXPORT = qw(http_get http_post http_head http_request); |
52 | |
56 | |
53 | our $USERAGENT = "Mozilla/5.0 (compatible; AnyEvent::HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)"; |
57 | our $USERAGENT = "Mozilla/5.0 (compatible; AnyEvent::HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)"; |
54 | our $MAX_RECURSE = 10; |
58 | our $MAX_RECURSE = 10; |
55 | our $MAX_PERSISTENT = 8; |
59 | our $MAX_PERSISTENT = 8; |
56 | our $PERSISTENT_TIMEOUT = 2; |
60 | our $PERSISTENT_TIMEOUT = 2; |
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59 | # changing these is evil |
63 | # changing these is evil |
60 | our $MAX_PERSISTENT_PER_HOST = 2; |
64 | our $MAX_PERSISTENT_PER_HOST = 2; |
61 | our $MAX_PER_HOST = 4; |
65 | our $MAX_PER_HOST = 4; |
62 | |
66 | |
63 | our $PROXY; |
67 | our $PROXY; |
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68 | our $ACTIVE = 0; |
64 | |
69 | |
65 | my %KA_COUNT; # number of open keep-alive connections per host |
70 | my %KA_COUNT; # number of open keep-alive connections per host |
66 | my %CO_SLOT; # number of open connections, and wait queue, per host |
71 | my %CO_SLOT; # number of open connections, and wait queue, per host |
67 | |
72 | |
68 | =item http_get $url, key => value..., $cb->($data, $headers) |
73 | =item http_get $url, key => value..., $cb->($data, $headers) |
69 | |
74 | |
70 | Executes an HTTP-GET request. See the http_request function for details on |
75 | Executes an HTTP-GET request. See the http_request function for details on |
71 | additional parameters. |
76 | additional parameters and the return value. |
72 | |
77 | |
73 | =item http_head $url, key => value..., $cb->($data, $headers) |
78 | =item http_head $url, key => value..., $cb->($data, $headers) |
74 | |
79 | |
75 | Executes an HTTP-HEAD request. See the http_request function for details on |
80 | Executes an HTTP-HEAD request. See the http_request function for details |
76 | additional parameters. |
81 | on additional parameters and the return value. |
77 | |
82 | |
78 | =item http_post $url, $body, key => value..., $cb->($data, $headers) |
83 | =item http_post $url, $body, key => value..., $cb->($data, $headers) |
79 | |
84 | |
80 | Executes an HTTP-POST request with a request body of C<$bod>. See the |
85 | Executes an HTTP-POST request with a request body of C<$body>. See the |
81 | http_request function for details on additional parameters. |
86 | http_request function for details on additional parameters and the return |
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87 | value. |
82 | |
88 | |
83 | =item http_request $method => $url, key => value..., $cb->($data, $headers) |
89 | =item http_request $method => $url, key => value..., $cb->($data, $headers) |
84 | |
90 | |
85 | Executes a HTTP request of type C<$method> (e.g. C<GET>, C<POST>). The URL |
91 | Executes a HTTP request of type C<$method> (e.g. C<GET>, C<POST>). The URL |
86 | must be an absolute http or https URL. |
92 | must be an absolute http or https URL. |
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93 | |
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94 | When called in void context, nothing is returned. In other contexts, |
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95 | C<http_request> returns a "cancellation guard" - you have to keep the |
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96 | object at least alive until the callback get called. If the object gets |
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97 | destroyed before the callbakc is called, the request will be cancelled. |
87 | |
98 | |
88 | The callback will be called with the response data as first argument |
99 | The callback will be called with the response data as first argument |
89 | (or C<undef> if it wasn't available due to errors), and a hash-ref with |
100 | (or C<undef> if it wasn't available due to errors), and a hash-ref with |
90 | response headers as second argument. |
101 | response headers as second argument. |
91 | |
102 | |
92 | All the headers in that hash are lowercased. In addition to the response |
103 | All the headers in that hash are lowercased. In addition to the response |
93 | headers, the three "pseudo-headers" C<HTTPVersion>, C<Status> and |
104 | headers, the "pseudo-headers" C<HTTPVersion>, C<Status> and C<Reason> |
94 | C<Reason> contain the three parts of the HTTP Status-Line of the same |
105 | contain the three parts of the HTTP Status-Line of the same name. The |
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106 | pseudo-header C<URL> contains the original URL (which can differ from the |
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107 | requested URL when following redirects). |
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108 | |
95 | name. If the server sends a header multiple lines, then their contents |
109 | If the server sends a header multiple times, then their contents will be |
96 | will be joined together with C<\x00>. |
110 | joined together with a comma (C<,>), as per the HTTP spec. |
97 | |
111 | |
98 | If an internal error occurs, such as not being able to resolve a hostname, |
112 | If an internal error occurs, such as not being able to resolve a hostname, |
99 | then C<$data> will be C<undef>, C<< $headers->{Status} >> will be C<599> |
113 | then C<$data> will be C<undef>, C<< $headers->{Status} >> will be C<599> |
100 | and the C<Reason> pseudo-header will contain an error message. |
114 | and the C<Reason> pseudo-header will contain an error message. |
101 | |
115 | |
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181 | use Data::Dumper; |
195 | use Data::Dumper; |
182 | print Dumper $hdr; |
196 | print Dumper $hdr; |
183 | } |
197 | } |
184 | ; |
198 | ; |
185 | |
199 | |
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200 | Example: make another simple HTTP GET request, but immediately try to |
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201 | cancel it. |
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202 | |
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203 | my $request = http_request GET => "http://www.nethype.de/", sub { |
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204 | my ($body, $hdr) = @_; |
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205 | print "$body\n"; |
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206 | }; |
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207 | |
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208 | undef $request; |
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209 | |
186 | =cut |
210 | =cut |
187 | |
211 | |
188 | sub _slot_schedule; |
212 | sub _slot_schedule; |
189 | sub _slot_schedule($) { |
213 | sub _slot_schedule($) { |
190 | my $host = shift; |
214 | my $host = shift; |
191 | |
215 | |
192 | while ($CO_SLOT{$host}[0] < $MAX_PER_HOST) { |
216 | while ($CO_SLOT{$host}[0] < $MAX_PER_HOST) { |
193 | if (my $cb = shift @{ $CO_SLOT{$host}[1] }) { |
217 | if (my $cb = shift @{ $CO_SLOT{$host}[1] }) { |
194 | # somebody wants that slot |
218 | # somebody wants that slot |
195 | ++$CO_SLOT{$host}[0]; |
219 | ++$CO_SLOT{$host}[0]; |
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220 | ++$ACTIVE; |
196 | |
221 | |
197 | $cb->(AnyEvent::Util::guard { |
222 | $cb->(AnyEvent::Util::guard { |
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223 | --$ACTIVE; |
198 | --$CO_SLOT{$host}[0]; |
224 | --$CO_SLOT{$host}[0]; |
199 | _slot_schedule $host; |
225 | _slot_schedule $host; |
200 | }); |
226 | }); |
201 | } else { |
227 | } else { |
202 | # nobody wants the slot, maybe we can forget about it |
228 | # nobody wants the slot, maybe we can forget about it |
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211 | push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; |
237 | push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; |
212 | |
238 | |
213 | _slot_schedule $_[0]; |
239 | _slot_schedule $_[0]; |
214 | } |
240 | } |
215 | |
241 | |
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242 | our $qr_nl = qr<\015?\012>; |
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243 | our $qr_nlnl = qr<\015?\012\015?\012>; |
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244 | |
216 | sub http_request($$$;@) { |
245 | sub http_request($$@) { |
217 | my $cb = pop; |
246 | my $cb = pop; |
218 | my ($method, $url, %arg) = @_; |
247 | my ($method, $url, %arg) = @_; |
219 | |
248 | |
220 | my %hdr; |
249 | my %hdr; |
221 | |
250 | |
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225 | while (my ($k, $v) = each %$hdr) { |
254 | while (my ($k, $v) = each %$hdr) { |
226 | $hdr{lc $k} = $v; |
255 | $hdr{lc $k} = $v; |
227 | } |
256 | } |
228 | } |
257 | } |
229 | |
258 | |
230 | my $recurse = exists $arg{recurse} ? $arg{recurse} : $MAX_RECURSE; |
259 | my $recurse = exists $arg{recurse} ? delete $arg{recurse} : $MAX_RECURSE; |
231 | |
260 | |
232 | return $cb->(undef, { Status => 599, Reason => "recursion limit reached" }) |
261 | return $cb->(undef, { Status => 599, Reason => "recursion limit reached", URL => $url }) |
233 | if $recurse < 0; |
262 | if $recurse < 0; |
234 | |
263 | |
235 | my $proxy = $arg{proxy} || $PROXY; |
264 | my $proxy = $arg{proxy} || $PROXY; |
236 | my $timeout = $arg{timeout} || $TIMEOUT; |
265 | my $timeout = $arg{timeout} || $TIMEOUT; |
237 | |
266 | |
238 | $hdr{"user-agent"} ||= $USERAGENT; |
267 | $hdr{"user-agent"} ||= $USERAGENT; |
239 | |
268 | |
240 | my ($scheme, $authority, $upath, $query, $fragment) = |
269 | my ($uscheme, $uauthority, $upath, $query, $fragment) = |
241 | $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; |
270 | $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; |
242 | |
271 | |
243 | $scheme = lc $scheme; |
272 | $uscheme = lc $uscheme; |
244 | |
273 | |
245 | my $uport = $scheme eq "http" ? 80 |
274 | my $uport = $uscheme eq "http" ? 80 |
246 | : $scheme eq "https" ? 443 |
275 | : $uscheme eq "https" ? 443 |
247 | : return $cb->(undef, { Status => 599, Reason => "only http and https URL schemes supported" }); |
276 | : return $cb->(undef, { Status => 599, Reason => "only http and https URL schemes supported", URL => $url }); |
248 | |
277 | |
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278 | $hdr{referer} ||= "$uscheme://$uauthority$upath"; # leave out fragment and query string, just a heuristic |
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279 | |
249 | $authority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x |
280 | $uauthority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x |
250 | or return $cb->(undef, { Status => 599, Reason => "unparsable URL" }); |
281 | or return $cb->(undef, { Status => 599, Reason => "unparsable URL", URL => $url }); |
251 | |
282 | |
252 | my $uhost = $1; |
283 | my $uhost = $1; |
253 | $uport = $2 if defined $2; |
284 | $uport = $2 if defined $2; |
254 | |
285 | |
255 | $uhost =~ s/^\[(.*)\]$/$1/; |
286 | $uhost =~ s/^\[(.*)\]$/$1/; |
256 | $upath .= "?$query" if length $query; |
287 | $upath .= "?$query" if length $query; |
257 | |
288 | |
258 | $upath =~ s%^/?%/%; |
289 | $upath =~ s%^/?%/%; |
259 | |
290 | |
260 | $hdr{referer} ||= "$scheme://$authority$upath"; |
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261 | |
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262 | # cookie processing |
291 | # cookie processing |
263 | if (my $jar = $arg{cookie_jar}) { |
292 | if (my $jar = $arg{cookie_jar}) { |
264 | %$jar = () if $jar->{version} < 1; |
293 | %$jar = () if $jar->{version} != 1; |
265 | |
294 | |
266 | my @cookie; |
295 | my @cookie; |
267 | |
296 | |
268 | while (my ($chost, $v) = each %$jar) { |
297 | while (my ($chost, $v) = each %$jar) { |
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298 | if ($chost =~ /^\./) { |
269 | next unless $chost eq substr $uhost, -length $chost; |
299 | next unless $chost eq substr $uhost, -length $chost; |
270 | next unless $chost =~ /^\./; |
300 | } elsif ($chost =~ /\./) { |
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301 | next unless $chost eq $uhost; |
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302 | } else { |
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303 | next; |
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304 | } |
271 | |
305 | |
272 | while (my ($cpath, $v) = each %$v) { |
306 | while (my ($cpath, $v) = each %$v) { |
273 | next unless $cpath eq substr $upath, 0, length $cpath; |
307 | next unless $cpath eq substr $upath, 0, length $cpath; |
274 | |
308 | |
275 | while (my ($k, $v) = each %$v) { |
309 | while (my ($k, $v) = each %$v) { |
276 | next if $scheme ne "https" && exists $v->{secure}; |
310 | next if $uscheme ne "https" && exists $v->{secure}; |
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311 | my $value = $v->{value}; |
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312 | $value =~ s/([\\"])/\\$1/g; |
277 | push @cookie, "$k=$v->{value}"; |
313 | push @cookie, "$k=\"$value\""; |
278 | } |
314 | } |
279 | } |
315 | } |
280 | } |
316 | } |
281 | |
317 | |
282 | $hdr{cookie} = join "; ", @cookie |
318 | $hdr{cookie} = join "; ", @cookie |
283 | if @cookie; |
319 | if @cookie; |
284 | } |
320 | } |
285 | |
321 | |
286 | my ($rhost, $rport, $rpath); # request host, port, path |
322 | my ($rhost, $rport, $rscheme, $rpath); # request host, port, path |
287 | |
323 | |
288 | if ($proxy) { |
324 | if ($proxy) { |
289 | ($rhost, $rport, $scheme) = @$proxy; |
325 | ($rpath, $rhost, $rport, $rscheme) = ($url, @$proxy); |
290 | $rpath = $url; |
326 | |
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327 | # don't support https requests over https-proxy transport, |
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328 | # can't be done with tls as spec'ed, unless you double-encrypt. |
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329 | $rscheme = "http" if $uscheme eq "https" && $rscheme eq "https"; |
291 | } else { |
330 | } else { |
292 | ($rhost, $rport, $rpath) = ($uhost, $uport, $upath); |
331 | ($rhost, $rport, $rscheme, $rpath) = ($uhost, $uport, $uscheme, $upath); |
293 | $hdr{host} = $uhost; |
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294 | } |
332 | } |
295 | |
333 | |
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334 | $hdr{host} = $uhost; |
296 | $hdr{"content-length"} = length $arg{body}; |
335 | $hdr{"content-length"} = length $arg{body}; |
297 | |
336 | |
298 | my %state = (connect_guard => 1); |
337 | my %state = (connect_guard => 1); |
299 | |
338 | |
300 | _get_slot $uhost, sub { |
339 | _get_slot $uhost, sub { |
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302 | |
341 | |
303 | return unless $state{connect_guard}; |
342 | return unless $state{connect_guard}; |
304 | |
343 | |
305 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub { |
344 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub { |
306 | $state{fh} = shift |
345 | $state{fh} = shift |
307 | or return $cb->(undef, { Status => 599, Reason => "$!" }); |
346 | or return $cb->(undef, { Status => 599, Reason => "$!", URL => $url }); |
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347 | pop; # free memory, save a tree |
308 | |
348 | |
309 | delete $state{connect_guard}; # reduce memory usage, save a tree |
349 | return unless delete $state{connect_guard}; |
310 | |
350 | |
311 | # get handle |
351 | # get handle |
312 | $state{handle} = new AnyEvent::Handle |
352 | $state{handle} = new AnyEvent::Handle |
313 | fh => $state{fh}, |
353 | fh => $state{fh}, |
314 | ($scheme eq "https" ? (tls => "connect") : ()); |
354 | timeout => $timeout; |
315 | |
355 | |
316 | # limit the number of persistent connections |
356 | # limit the number of persistent connections |
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357 | # keepalive not yet supported |
317 | if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) { |
358 | if ($KA_COUNT{$_[1]} < $MAX_PERSISTENT_PER_HOST) { |
318 | ++$KA_COUNT{$_[1]}; |
359 | ++$KA_COUNT{$_[1]}; |
319 | $state{handle}{ka_count_guard} = AnyEvent::Util::guard { --$KA_COUNT{$_[1]} }; |
360 | $state{handle}{ka_count_guard} = AnyEvent::Util::guard { |
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361 | --$KA_COUNT{$_[1]} |
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362 | }; |
320 | $hdr{connection} = "keep-alive"; |
363 | $hdr{connection} = "keep-alive"; |
321 | delete $hdr{connection}; # keep-alive not yet supported |
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322 | } else { |
364 | } else { |
323 | delete $hdr{connection}; |
365 | delete $hdr{connection}; |
324 | } |
366 | } |
325 | |
367 | |
326 | # (re-)configure handle |
368 | # (re-)configure handle |
327 | $state{handle}->timeout ($timeout); |
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328 | $state{handle}->on_error (sub { |
369 | $state{handle}->on_error (sub { |
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370 | my $errno = "$!"; |
329 | %state = (); |
371 | %state = (); |
330 | $cb->(undef, { Status => 599, Reason => "$!" }); |
372 | $cb->(undef, { Status => 599, Reason => $errno, URL => $url }); |
331 | }); |
373 | }); |
332 | $state{handle}->on_eof (sub { |
374 | $state{handle}->on_eof (sub { |
333 | %state = (); |
375 | %state = (); |
334 | $cb->(undef, { Status => 599, Reason => "unexpected end-of-file" }); |
376 | $cb->(undef, { Status => 599, Reason => "unexpected end-of-file", URL => $url }); |
335 | }); |
377 | }); |
336 | |
378 | |
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379 | $state{handle}->starttls ("connect") if $rscheme eq "https"; |
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380 | |
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381 | # handle actual, non-tunneled, request |
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382 | my $handle_actual_request = sub { |
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383 | $state{handle}->starttls ("connect") if $uscheme eq "https" && !exists $state{handle}{tls}; |
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384 | |
337 | # send request |
385 | # send request |
338 | $state{handle}->push_write ( |
386 | $state{handle}->push_write ( |
339 | "$method $rpath HTTP/1.0\015\012" |
387 | "$method $rpath HTTP/1.0\015\012" |
340 | . (join "", map "$_: $hdr{$_}\015\012", keys %hdr) |
388 | . (join "", map "\u$_: $hdr{$_}\015\012", keys %hdr) |
341 | . "\015\012" |
389 | . "\015\012" |
342 | . (delete $arg{body}) |
390 | . (delete $arg{body}) |
343 | ); |
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344 | |
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345 | %hdr = (); # reduce memory usage, save a kitten |
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346 | |
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347 | # status line |
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348 | $state{handle}->push_read (line => qr/\015?\012/, sub { |
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349 | $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) \s+ ([^\015\012]+)/ix |
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350 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid server response ($_[1])" })); |
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351 | |
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352 | my %hdr = ( # response headers |
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353 | HTTPVersion => "\x00$1", |
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354 | Status => "\x00$2", |
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355 | Reason => "\x00$3", |
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356 | ); |
391 | ); |
357 | |
392 | |
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393 | %hdr = (); # reduce memory usage, save a kitten |
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394 | |
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395 | # status line |
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396 | $state{handle}->push_read (line => $qr_nl, sub { |
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397 | $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix |
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398 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid server response ($_[1])", URL => $url })); |
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399 | |
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400 | my %hdr = ( # response headers |
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401 | HTTPVersion => ",$1", |
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402 | Status => ",$2", |
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403 | Reason => ",$3", |
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404 | URL => ",$url" |
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405 | ); |
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406 | |
358 | # headers, could be optimized a bit |
407 | # headers, could be optimized a bit |
359 | $state{handle}->unshift_read (line => qr/\015?\012\015?\012/, sub { |
408 | $state{handle}->unshift_read (line => $qr_nlnl, sub { |
360 | for ("$_[1]\012") { |
409 | for ("$_[1]\012") { |
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410 | y/\015//d; # weed out any \015, as they show up in the weirdest of places. |
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411 | |
361 | # we support spaces in field names, as lotus domino |
412 | # we support spaces in field names, as lotus domino |
362 | # creates them. |
413 | # creates them (actually spaces around seperators |
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414 | # are strictly allowed in http, they are a security issue). |
363 | $hdr{lc $1} .= "\x00$2" |
415 | $hdr{lc $1} .= ",$2" |
364 | while /\G |
416 | while /\G |
365 | ([^:\000-\037]+): |
417 | ([^:\000-\037]+): |
366 | [\011\040]* |
418 | [\011\040]* |
367 | ((?: [^\015\012]+ | \015?\012[\011\040] )*) |
419 | ((?: [^\012]+ | \012[\011\040] )*) |
368 | \015?\012 |
420 | \012 |
369 | /gxc; |
421 | /gxc; |
370 | |
422 | |
371 | /\G$/ |
423 | /\G$/ |
372 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "garbled response headers" })); |
424 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "garbled response headers", URL => $url })); |
373 | } |
425 | } |
374 | |
426 | |
375 | substr $_, 0, 1, "" |
427 | substr $_, 0, 1, "" |
376 | for values %hdr; |
428 | for values %hdr; |
377 | |
429 | |
378 | my $finish = sub { |
430 | my $finish = sub { |
|
|
431 | $state{handle}->destroy; |
379 | %state = (); |
432 | %state = (); |
380 | |
433 | |
381 | # set-cookie processing |
434 | # set-cookie processing |
382 | if ($arg{cookie_jar} && exists $hdr{"set-cookie"}) { |
435 | if ($arg{cookie_jar}) { |
383 | for (split /\x00/, $hdr{"set-cookie"}) { |
436 | for ($hdr{"set-cookie"}) { |
384 | my ($cookie, @arg) = split /;\s*/; |
437 | # parse NAME=VALUE |
385 | my ($name, $value) = split /=/, $cookie, 2; |
438 | my @kv; |
386 | my %kv = (value => $value, map { split /=/, $_, 2 } @arg); |
439 | |
387 | |
440 | while (/\G\s* ([^=;,[:space:]]+) \s*=\s* (?: "((?:[^\\"]+|\\.)*)" | ([^=;,[:space:]]*) )/gcxs) { |
388 | my $cdom = (delete $kv{domain}) || $uhost; |
441 | my $name = $1; |
|
|
442 | my $value = $3; |
|
|
443 | |
|
|
444 | unless ($value) { |
|
|
445 | $value = $2; |
|
|
446 | $value =~ s/\\(.)/$1/gs; |
|
|
447 | } |
|
|
448 | |
|
|
449 | push @kv, $name => $value; |
|
|
450 | |
|
|
451 | last unless /\G\s*;/gc; |
|
|
452 | } |
|
|
453 | |
|
|
454 | last unless @kv; |
|
|
455 | |
|
|
456 | my $name = shift @kv; |
|
|
457 | my %kv = (value => shift @kv, @kv); |
|
|
458 | |
|
|
459 | my $cdom; |
389 | my $cpath = (delete $kv{path}) || "/"; |
460 | my $cpath = (delete $kv{path}) || "/"; |
390 | |
461 | |
|
|
462 | if (exists $kv{domain}) { |
|
|
463 | $cdom = delete $kv{domain}; |
|
|
464 | |
391 | $cdom =~ s/^.?/./; # make sure it starts with a "." |
465 | $cdom =~ s/^\.?/./; # make sure it starts with a "." |
392 | |
466 | |
393 | next if $cdom =~ /\.$/; |
467 | next if $cdom =~ /\.$/; |
394 | |
468 | |
395 | # this is not rfc-like and not netscape-like. go figure. |
469 | # this is not rfc-like and not netscape-like. go figure. |
396 | my $ndots = $cdom =~ y/.//; |
470 | my $ndots = $cdom =~ y/.//; |
397 | next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2); |
471 | next if $ndots < ($cdom =~ /\.[^.][^.]\.[^.][^.]$/ ? 3 : 2); |
398 | |
472 | } else { |
|
|
473 | $cdom = $uhost; |
|
|
474 | } |
|
|
475 | |
399 | # store it |
476 | # store it |
400 | $arg{cookie_jar}{version} = 1; |
477 | $arg{cookie_jar}{version} = 1; |
401 | $arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv; |
478 | $arg{cookie_jar}{$cdom}{$cpath}{$name} = \%kv; |
|
|
479 | |
|
|
480 | redo if /\G\s*,/gc; |
|
|
481 | } |
|
|
482 | } |
|
|
483 | |
|
|
484 | # microsoft and other shitheads don't give a shit for following standards, |
|
|
485 | # try to support some common forms of broken Location headers. |
|
|
486 | if ($_[1]{location} !~ /^(?: $ | [^:\/?\#]+ : )/x) { |
|
|
487 | $_[1]{location} =~ s/^\.\/+//; |
|
|
488 | |
|
|
489 | my $url = "$rscheme://$uhost:$uport"; |
|
|
490 | |
|
|
491 | unless ($_[1]{location} =~ s/^\///) { |
|
|
492 | $url .= $upath; |
|
|
493 | $url =~ s/\/[^\/]*$//; |
|
|
494 | } |
|
|
495 | |
|
|
496 | $_[1]{location} = "$url/$_[1]{location}"; |
|
|
497 | } |
|
|
498 | |
|
|
499 | if ($_[1]{Status} =~ /^30[12]$/ && $recurse && $method ne "POST") { |
|
|
500 | # apparently, mozilla et al. just change POST to GET here |
|
|
501 | # more research is needed before we do the same |
|
|
502 | http_request ($method, $_[1]{location}, %arg, recurse => $recurse - 1, $cb); |
|
|
503 | } elsif ($_[1]{Status} == 303 && $recurse) { |
|
|
504 | # even http/1.1 is unclear on how to mutate the method |
|
|
505 | $method = "GET" unless $method eq "HEAD"; |
|
|
506 | http_request ($method => $_[1]{location}, %arg, recurse => $recurse - 1, $cb); |
|
|
507 | } elsif ($_[1]{Status} == 307 && $recurse && $method =~ /^(?:GET|HEAD)$/) { |
|
|
508 | http_request ($method => $_[1]{location}, %arg, recurse => $recurse - 1, $cb); |
|
|
509 | } else { |
|
|
510 | $cb->($_[0], $_[1]); |
|
|
511 | } |
|
|
512 | }; |
|
|
513 | |
|
|
514 | if ($hdr{Status} =~ /^(?:1..|204|304)$/ or $method eq "HEAD") { |
|
|
515 | $finish->(undef, \%hdr); |
|
|
516 | } else { |
|
|
517 | if (exists $hdr{"content-length"}) { |
|
|
518 | $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub { |
|
|
519 | # could cache persistent connection now |
|
|
520 | if ($hdr{connection} =~ /\bkeep-alive\b/i) { |
|
|
521 | # but we don't, due to misdesigns, this is annoyingly complex |
|
|
522 | }; |
|
|
523 | |
|
|
524 | $finish->($_[1], \%hdr); |
|
|
525 | }); |
|
|
526 | } else { |
|
|
527 | # too bad, need to read until we get an error or EOF, |
|
|
528 | # no way to detect winged data. |
|
|
529 | $_[0]->on_error (sub { |
|
|
530 | # delete ought to be more efficient, as we would have to make |
|
|
531 | # a copy otherwise as $_[0] gets destroyed. |
|
|
532 | $finish->(delete $_[0]{rbuf}, \%hdr); |
|
|
533 | }); |
|
|
534 | $_[0]->on_eof (undef); |
|
|
535 | $_[0]->on_read (sub { }); |
402 | } |
536 | } |
403 | } |
537 | } |
404 | |
|
|
405 | if ($_[1]{Status} =~ /^x30[12]$/ && $recurse) { |
|
|
406 | # microsoft and other assholes don't give a shit for following standards, |
|
|
407 | # try to support a common form of broken Location header. |
|
|
408 | $_[1]{location} =~ s%^/%$scheme://$uhost:$uport/%; |
|
|
409 | |
|
|
410 | http_request ($method, $_[1]{location}, %arg, recurse => $recurse - 1, $cb); |
|
|
411 | } else { |
|
|
412 | $cb->($_[0], $_[1]); |
|
|
413 | } |
|
|
414 | }; |
538 | }); |
|
|
539 | }); |
|
|
540 | }; |
415 | |
541 | |
416 | if ($hdr{Status} =~ /^(?:1..|204|304)$/ or $method eq "HEAD") { |
542 | # now handle proxy-CONNECT method |
417 | $finish->(undef, \%hdr); |
543 | if ($proxy && $uscheme eq "https") { |
|
|
544 | # oh dear, we have to wrap it into a connect request |
|
|
545 | |
|
|
546 | # maybe re-use $uauthority with patched port? |
|
|
547 | $state{handle}->push_write ("CONNECT $uhost:$uport HTTP/1.0\015\012Host: $uhost\015\012\015\012"); |
|
|
548 | $state{handle}->push_read (line => $qr_nlnl, sub { |
|
|
549 | $_[1] =~ /^HTTP\/([0-9\.]+) \s+ ([0-9]{3}) (?: \s+ ([^\015\012]*) )?/ix |
|
|
550 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "invalid proxy connect response ($_[1])", URL => $url })); |
|
|
551 | |
|
|
552 | if ($2 == 200) { |
|
|
553 | $rpath = $upath; |
|
|
554 | &$handle_actual_request; |
418 | } else { |
555 | } else { |
419 | if (exists $hdr{"content-length"}) { |
556 | %state = (); |
420 | $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub { |
557 | $cb->(undef, { Status => $2, Reason => $3, URL => $url }); |
421 | # could cache persistent connection now |
|
|
422 | if ($hdr{connection} =~ /\bkeep-alive\b/i) { |
|
|
423 | # but we don't, due to misdesigns, this is annoyingly complex |
|
|
424 | }; |
|
|
425 | |
|
|
426 | $finish->($_[1], \%hdr); |
|
|
427 | }); |
|
|
428 | } else { |
|
|
429 | # too bad, need to read until we get an error or EOF, |
|
|
430 | # no way to detect winged data. |
|
|
431 | $_[0]->on_error (sub { |
|
|
432 | $finish->($_[0]{rbuf}, \%hdr); |
|
|
433 | }); |
|
|
434 | $_[0]->on_eof (undef); |
|
|
435 | $_[0]->on_read (sub { }); |
|
|
436 | } |
|
|
437 | } |
558 | } |
438 | }); |
559 | }); |
|
|
560 | } else { |
|
|
561 | &$handle_actual_request; |
439 | }); |
562 | } |
|
|
563 | |
440 | }, sub { |
564 | }, sub { |
441 | $timeout |
565 | $timeout |
442 | }; |
566 | }; |
443 | }; |
567 | }; |
444 | |
568 | |
445 | defined wantarray && AnyEvent::Util::guard { %state = () } |
569 | defined wantarray && AnyEvent::Util::guard { %state = () } |
446 | } |
570 | } |
447 | |
571 | |
448 | sub http_get($$;@) { |
572 | sub http_get($@) { |
449 | unshift @_, "GET"; |
573 | unshift @_, "GET"; |
450 | &http_request |
574 | &http_request |
451 | } |
575 | } |
452 | |
576 | |
453 | sub http_head($$;@) { |
577 | sub http_head($@) { |
454 | unshift @_, "HEAD"; |
578 | unshift @_, "HEAD"; |
455 | &http_request |
579 | &http_request |
456 | } |
580 | } |
457 | |
581 | |
458 | sub http_post($$$;@) { |
582 | sub http_post($$@) { |
|
|
583 | my $url = shift; |
459 | unshift @_, "POST", "body"; |
584 | unshift @_, "POST", $url, "body"; |
460 | &http_request |
585 | &http_request |
461 | } |
586 | } |
462 | |
587 | |
463 | =back |
588 | =back |
464 | |
589 | |
… | |
… | |
489 | =item $AnyEvent::HTTP::PERSISTENT_TIMEOUT |
614 | =item $AnyEvent::HTTP::PERSISTENT_TIMEOUT |
490 | |
615 | |
491 | The maximum time to cache a persistent connection, in seconds (default: 2). |
616 | The maximum time to cache a persistent connection, in seconds (default: 2). |
492 | |
617 | |
493 | Not implemented currently. |
618 | Not implemented currently. |
|
|
619 | |
|
|
620 | =item $AnyEvent::HTTP::ACTIVE |
|
|
621 | |
|
|
622 | The number of active connections. This is not the number of currently |
|
|
623 | running requests, but the number of currently open and non-idle TCP |
|
|
624 | connections. This number of can be useful for load-leveling. |
494 | |
625 | |
495 | =back |
626 | =back |
496 | |
627 | |
497 | =cut |
628 | =cut |
498 | |
629 | |
… | |
… | |
507 | |
638 | |
508 | L<AnyEvent>. |
639 | L<AnyEvent>. |
509 | |
640 | |
510 | =head1 AUTHOR |
641 | =head1 AUTHOR |
511 | |
642 | |
512 | Marc Lehmann <schmorp@schmorp.de> |
643 | Marc Lehmann <schmorp@schmorp.de> |
513 | http://home.schmorp.de/ |
644 | http://home.schmorp.de/ |
|
|
645 | |
|
|
646 | With many thanks to Дмитрий Шалашов, who provided countless |
|
|
647 | testcases and bugreports. |
514 | |
648 | |
515 | =cut |
649 | =cut |
516 | |
650 | |
517 | 1 |
651 | 1 |
518 | |
652 | |