| … | |
… | |
| 138 | |
138 | |
| 139 | my %hdr; |
139 | my %hdr; |
| 140 | |
140 | |
| 141 | $method = uc $method; |
141 | $method = uc $method; |
| 142 | |
142 | |
| 143 | if (my $hdr = delete $arg{headers}) { |
143 | if (my $hdr = $arg{headers}) { |
| 144 | while (my ($k, $v) = each %$hdr) { |
144 | while (my ($k, $v) = each %$hdr) { |
| 145 | $hdr{lc $k} = $v; |
145 | $hdr{lc $k} = $v; |
| 146 | } |
146 | } |
| 147 | } |
147 | } |
| 148 | |
148 | |
|
|
149 | my $recurse = exists $arg{recurse} ? $arg{recurse} : $MAX_RECURSE; |
|
|
150 | |
|
|
151 | return $cb->(undef, { Status => 599, Reason => "recursion limit reached" }) |
|
|
152 | if $recurse < 0; |
|
|
153 | |
| 149 | my $proxy = $arg{proxy} || $PROXY; |
154 | my $proxy = $arg{proxy} || $PROXY; |
| 150 | my $timeout = $arg{timeout} || $TIMEOUT; |
155 | my $timeout = $arg{timeout} || $TIMEOUT; |
| 151 | my $recurse = exists $arg{recurse} ? $arg{recurse} : $MAX_RECURSE; |
|
|
| 152 | |
156 | |
| 153 | $hdr{"user-agent"} ||= $USERAGENT; |
157 | $hdr{"user-agent"} ||= $USERAGENT; |
| 154 | |
158 | |
| 155 | my ($host, $port, $path, $scheme); |
159 | my ($host, $port, $path, $scheme); |
| 156 | |
160 | |
| … | |
… | |
| 161 | ($scheme, my $authority, $path, my $query, my $fragment) = |
165 | ($scheme, my $authority, $path, my $query, my $fragment) = |
| 162 | $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; |
166 | $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; |
| 163 | |
167 | |
| 164 | $port = $scheme eq "http" ? 80 |
168 | $port = $scheme eq "http" ? 80 |
| 165 | : $scheme eq "https" ? 443 |
169 | : $scheme eq "https" ? 443 |
| 166 | : croak "$url: only http and https URLs supported"; |
170 | : return $cb->(undef, { Status => 599, Reason => "$url: only http and https URLs supported" }); |
| 167 | |
171 | |
| 168 | $authority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x |
172 | $authority =~ /^(?: .*\@ )? ([^\@:]+) (?: : (\d+) )?$/x |
| 169 | or croak "$authority: unparsable URL"; |
173 | or return $cb->(undef, { Status => 599, Reason => "$url: unparsable URL" }); |
| 170 | |
174 | |
| 171 | $host = $1; |
175 | $host = $1; |
| 172 | $port = $2 if defined $2; |
176 | $port = $2 if defined $2; |
| 173 | |
177 | |
| 174 | $host =~ s/^\[(.*)\]$/$1/; |
178 | $host =~ s/^\[(.*)\]$/$1/; |
| … | |
… | |
| 181 | |
185 | |
| 182 | $scheme = lc $scheme; |
186 | $scheme = lc $scheme; |
| 183 | |
187 | |
| 184 | my %state; |
188 | my %state; |
| 185 | |
189 | |
| 186 | $state{body} = delete $arg{body}; |
|
|
| 187 | |
|
|
| 188 | $hdr{"content-length"} = length $state{body}; |
190 | $hdr{"content-length"} = length $arg{body}; |
| 189 | |
191 | |
| 190 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $host, $port, sub { |
192 | $state{connect_guard} = AnyEvent::Socket::tcp_connect $host, $port, sub { |
| 191 | $state{fh} = shift |
193 | $state{fh} = shift |
| 192 | or return $cb->(undef, { Status => 599, Reason => "$!" }); |
194 | or return $cb->(undef, { Status => 599, Reason => "$!" }); |
| 193 | |
195 | |
| … | |
… | |
| 222 | # send request |
224 | # send request |
| 223 | $state{handle}->push_write ( |
225 | $state{handle}->push_write ( |
| 224 | "$method $path HTTP/1.0\015\012" |
226 | "$method $path HTTP/1.0\015\012" |
| 225 | . (join "", map "$_: $hdr{$_}\015\012", keys %hdr) |
227 | . (join "", map "$_: $hdr{$_}\015\012", keys %hdr) |
| 226 | . "\015\012" |
228 | . "\015\012" |
| 227 | . (delete $state{body}) |
229 | . (delete $arg{body}) |
| 228 | ); |
230 | ); |
| 229 | |
231 | |
| 230 | %hdr = (); # reduce memory usage, save a kitten |
232 | %hdr = (); # reduce memory usage, save a kitten |
| 231 | |
233 | |
| 232 | # status line |
234 | # status line |
| … | |
… | |
| 258 | } |
260 | } |
| 259 | |
261 | |
| 260 | substr $_, 0, 1, "" |
262 | substr $_, 0, 1, "" |
| 261 | for values %hdr; |
263 | for values %hdr; |
| 262 | |
264 | |
| 263 | if ($method eq "HEAD") { |
265 | my $finish = sub { |
|
|
266 | if ($_[1]{Status} =~ /^30[12]$/ && $recurse) { |
|
|
267 | http_request ($method, $_[1]{location}, %arg, recurse => $recurse - 1, $cb); |
|
|
268 | } else { |
|
|
269 | $cb->($_[0], $_[1]); |
|
|
270 | } |
|
|
271 | }; |
|
|
272 | |
|
|
273 | if ($hdr{Status} =~ /^(?:1..|204|304)$/ or $method eq "HEAD") { |
| 264 | %state = (); |
274 | %state = (); |
| 265 | $cb->(undef, \%hdr); |
275 | $finish->(undef, \%hdr); |
| 266 | } else { |
276 | } else { |
| 267 | if (exists $hdr{"content-length"}) { |
277 | if (exists $hdr{"content-length"}) { |
| 268 | $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub { |
278 | $_[0]->unshift_read (chunk => $hdr{"content-length"}, sub { |
| 269 | # could cache persistent connection now |
279 | # could cache persistent connection now |
| 270 | if ($hdr{connection} =~ /\bkeep-alive\b/i) { |
280 | if ($hdr{connection} =~ /\bkeep-alive\b/i) { |
| 271 | # but we don't, due to misdesigns, this is annoyingly complex |
281 | # but we don't, due to misdesigns, this is annoyingly complex |
| 272 | }; |
282 | }; |
| 273 | |
283 | |
| 274 | %state = (); |
284 | %state = (); |
| 275 | $cb->($_[1], \%hdr); |
285 | $finish->($_[1], \%hdr); |
| 276 | }); |
286 | }); |
| 277 | } else { |
287 | } else { |
| 278 | # too bad, need to read until we get an error or EOF, |
288 | # too bad, need to read until we get an error or EOF, |
| 279 | # no way to detect winged data. |
289 | # no way to detect winged data. |
| 280 | $_[0]->on_error (sub { |
290 | $_[0]->on_error (sub { |
| 281 | %state = (); |
291 | %state = (); |
| 282 | $cb->($_[0]{rbuf}, \%hdr); |
292 | $finish->($_[0]{rbuf}, \%hdr); |
| 283 | }); |
293 | }); |
| 284 | $_[0]->on_eof (undef); |
294 | $_[0]->on_eof (undef); |
| 285 | $_[0]->on_read (sub { }); |
295 | $_[0]->on_read (sub { }); |
| 286 | } |
296 | } |
| 287 | } |
297 | } |
