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41 | use strict; |
41 | use strict; |
42 | no warnings; |
42 | no warnings; |
43 | |
43 | |
44 | use Errno (); |
44 | use Errno (); |
45 | |
45 | |
46 | use AnyEvent 4.452 (); |
46 | use AnyEvent 4.8 (); |
47 | use AnyEvent::Util (); |
47 | use AnyEvent::Util (); |
48 | use AnyEvent::Socket (); |
48 | use AnyEvent::Socket (); |
49 | use AnyEvent::Handle (); |
49 | use AnyEvent::Handle (); |
50 | |
50 | |
51 | use base Exporter::; |
51 | use base Exporter::; |
52 | |
52 | |
53 | our $VERSION = '1.12'; |
53 | our $VERSION = '1.41'; |
54 | |
54 | |
55 | our @EXPORT = qw(http_get http_post http_head http_request); |
55 | our @EXPORT = qw(http_get http_post http_head http_request); |
56 | |
56 | |
57 | our $USERAGENT = "Mozilla/5.0 (compatible; U; AnyEvent-HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)"; |
57 | our $USERAGENT = "Mozilla/5.0 (compatible; U; AnyEvent-HTTP/$VERSION; +http://software.schmorp.de/pkg/AnyEvent)"; |
58 | our $MAX_RECURSE = 10; |
58 | our $MAX_RECURSE = 10; |
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221 | This callback is useful when the data is too large to be held in memory |
221 | This callback is useful when the data is too large to be held in memory |
222 | (so the callback writes it to a file) or when only some information should |
222 | (so the callback writes it to a file) or when only some information should |
223 | be extracted, or when the body should be processed incrementally. |
223 | be extracted, or when the body should be processed incrementally. |
224 | |
224 | |
225 | It is usually preferred over doing your own body handling via |
225 | It is usually preferred over doing your own body handling via |
226 | C<want_body_handle>. |
226 | C<want_body_handle>, but in case of streaming APIs, where HTTP is |
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227 | only used to create a connection, C<want_body_handle> is the better |
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228 | alternative, as it allows you to install your own event handler, reducing |
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229 | resource usage. |
227 | |
230 | |
228 | =item want_body_handle => $enable |
231 | =item want_body_handle => $enable |
229 | |
232 | |
230 | When enabled (default is disabled), the behaviour of AnyEvent::HTTP |
233 | When enabled (default is disabled), the behaviour of AnyEvent::HTTP |
231 | changes considerably: after parsing the headers, and instead of |
234 | changes considerably: after parsing the headers, and instead of |
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243 | This is useful with some push-type services, where, after the initial |
246 | This is useful with some push-type services, where, after the initial |
244 | headers, an interactive protocol is used (typical example would be the |
247 | headers, an interactive protocol is used (typical example would be the |
245 | push-style twitter API which starts a JSON/XML stream). |
248 | push-style twitter API which starts a JSON/XML stream). |
246 | |
249 | |
247 | If you think you need this, first have a look at C<on_body>, to see if |
250 | If you think you need this, first have a look at C<on_body>, to see if |
248 | that doesn'T solve your problem in a better way. |
251 | that doesn't solve your problem in a better way. |
249 | |
252 | |
250 | =back |
253 | =back |
251 | |
254 | |
252 | Example: make a simple HTTP GET request for http://www.nethype.de/ |
255 | Example: make a simple HTTP GET request for http://www.nethype.de/ |
253 | |
256 | |
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309 | push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; |
312 | push @{ $CO_SLOT{$_[0]}[1] }, $_[1]; |
310 | |
313 | |
311 | _slot_schedule $_[0]; |
314 | _slot_schedule $_[0]; |
312 | } |
315 | } |
313 | |
316 | |
314 | our $qr_nl = qr<\015?\012>; |
317 | our $qr_nl = qr{\015?\012}; |
315 | our $qr_nlnl = qr<\015?\012\015?\012>; |
318 | our $qr_nlnl = qr{(?<![^\012])\015?\012}; |
316 | |
319 | |
317 | our $TLS_CTX_LOW = { cache => 1, sslv2 => 1 }; |
320 | our $TLS_CTX_LOW = { cache => 1, sslv2 => 1 }; |
318 | our $TLS_CTX_HIGH = { cache => 1, verify => 1, verify_peername => "https" }; |
321 | our $TLS_CTX_HIGH = { cache => 1, verify => 1, verify_peername => "https" }; |
319 | |
322 | |
320 | sub http_request($$@) { |
323 | sub http_request($$@) { |
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419 | |
422 | |
420 | return unless $state{connect_guard}; |
423 | return unless $state{connect_guard}; |
421 | |
424 | |
422 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub { |
425 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $rhost, $rport, sub { |
423 | $state{fh} = shift |
426 | $state{fh} = shift |
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427 | or do { |
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428 | my $err = "$!"; |
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429 | %state = (); |
424 | or return (%state = (), $cb->(undef, { Status => 599, Reason => "$!", URL => $url })); |
430 | return $cb->(undef, { Status => 599, Reason => $err, URL => $url }); |
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431 | }; |
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432 | |
425 | pop; # free memory, save a tree |
433 | pop; # free memory, save a tree |
426 | |
434 | |
427 | return unless delete $state{connect_guard}; |
435 | return unless delete $state{connect_guard}; |
428 | |
436 | |
429 | # get handle |
437 | # get handle |
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483 | URL => ",$url" |
491 | URL => ",$url" |
484 | ); |
492 | ); |
485 | |
493 | |
486 | # headers, could be optimized a bit |
494 | # headers, could be optimized a bit |
487 | $state{handle}->unshift_read (line => $qr_nlnl, sub { |
495 | $state{handle}->unshift_read (line => $qr_nlnl, sub { |
488 | for ("$_[1]\012") { |
496 | for ("$_[1]") { |
489 | y/\015//d; # weed out any \015, as they show up in the weirdest of places. |
497 | y/\015//d; # weed out any \015, as they show up in the weirdest of places. |
490 | |
498 | |
491 | # things seen, not parsed: |
499 | # things seen, not parsed: |
492 | # p3pP="NON CUR OTPi OUR NOR UNI" |
500 | # p3pP="NON CUR OTPi OUR NOR UNI" |
493 | |
501 | |