… | |
… | |
9 | # at least on my machine, this thingy serves files |
9 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
10 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
11 | # and quite a bit slower than thttpd :( |
12 | |
12 | |
13 | $SIG{PIPE} = 'IGNORE'; |
13 | $SIG{PIPE} = 'IGNORE'; |
14 | |
14 | |
|
|
15 | our $accesslog; |
|
|
16 | |
|
|
17 | if ($ACCESS_LOG) { |
|
|
18 | use IO::Handle; |
|
|
19 | open $accesslog, ">>$ACCESS_LOG" |
|
|
20 | or die "$ACCESS_LOG: $!"; |
|
|
21 | $accesslog->autoflush(1); |
|
|
22 | } |
|
|
23 | |
15 | sub slog { |
24 | sub slog { |
16 | my $level = shift; |
25 | my $level = shift; |
17 | my $format = shift; |
26 | my $format = shift; |
18 | printf "---: $format\n", @_; |
27 | printf "---: $format\n", @_; |
19 | } |
28 | } |
… | |
… | |
43 | |
52 | |
44 | my $http_port = new Coro::Socket |
53 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
54 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
55 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
56 | ReuseAddr => 1, |
48 | Listen => 1, |
57 | Listen => 50, |
49 | or die "unable to start server"; |
58 | or die "unable to start server"; |
50 | |
59 | |
51 | push @listen_sockets, $http_port; |
60 | push @listen_sockets, $http_port; |
52 | |
61 | |
53 | # the "main thread" |
62 | # the "main thread" |
… | |
… | |
70 | package conn; |
79 | package conn; |
71 | |
80 | |
72 | use Socket; |
81 | use Socket; |
73 | use HTTP::Date; |
82 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
83 | use Convert::Scalar 'weaken'; |
|
|
84 | use Linux::AIO; |
75 | |
85 | |
|
|
86 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
|
|
87 | |
|
|
88 | Event->io(fd => Linux::AIO::poll_fileno, |
|
|
89 | poll => 'r', async => 1, |
|
|
90 | cb => \&Linux::AIO::poll_cb); |
|
|
91 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
92 | our %conn; # $conn{ip}{self} => connobj |
|
|
93 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
94 | our %blocked; |
78 | our %mimetype; |
95 | our %mimetype; |
79 | |
96 | |
80 | sub read_mimetypes { |
97 | sub read_mimetypes { |
81 | local *M; |
98 | local *M; |
… | |
… | |
104 | $self->{time} = $::NOW; |
121 | $self->{time} = $::NOW; |
105 | |
122 | |
106 | # enter ourselves into various lists |
123 | # enter ourselves into various lists |
107 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
124 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
108 | |
125 | |
|
|
126 | $::conns++; |
|
|
127 | |
109 | $self; |
128 | $self; |
110 | } |
129 | } |
111 | |
130 | |
112 | sub DESTROY { |
131 | sub DESTROY { |
113 | my $self = shift; |
132 | my $self = shift; |
|
|
133 | |
|
|
134 | $::conns--; |
|
|
135 | |
|
|
136 | $self->eoconn; |
114 | delete $conn{$self->{remote_addr}}{$self*1}; |
137 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
138 | } |
|
|
139 | |
|
|
140 | # end of connection |
|
|
141 | sub eoconn { |
|
|
142 | my $self = shift; |
115 | delete $uri{$self->{uri}}{$self*1}; |
143 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
116 | } |
144 | } |
117 | |
145 | |
118 | sub slog { |
146 | sub slog { |
119 | my $self = shift; |
147 | my $self = shift; |
120 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
148 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
121 | } |
149 | } |
122 | |
150 | |
123 | sub response { |
151 | sub response { |
124 | my ($self, $code, $msg, $hdr, $content) = @_; |
152 | my ($self, $code, $msg, $hdr, $content) = @_; |
125 | my $res = "HTTP/1.0 $code $msg\015\012"; |
153 | my $res = "HTTP/1.1 $code $msg\015\012"; |
126 | |
154 | |
127 | $res .= "Connection: close\015\012"; |
155 | $self->{h}{connection} ||= $hdr->{Connection}; |
|
|
156 | |
128 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
157 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
129 | |
158 | |
130 | while (my ($h, $v) = each %$hdr) { |
159 | while (my ($h, $v) = each %$hdr) { |
131 | $res .= "$h: $v\015\012" |
160 | $res .= "$h: $v\015\012" |
132 | } |
161 | } |
133 | $res .= "\015\012"; |
162 | $res .= "\015\012"; |
134 | |
163 | |
135 | $res .= $content if defined $content and $self->{method} eq "GET"; |
164 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
136 | |
165 | |
137 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
166 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
|
|
167 | |
|
|
168 | print $accesslog $log if $accesslog; |
|
|
169 | print STDERR $log; |
138 | |
170 | |
139 | $self->{written} += |
171 | $self->{written} += |
140 | print {$self->{fh}} $res; |
172 | print {$self->{fh}} $res; |
141 | } |
173 | } |
142 | |
174 | |
… | |
… | |
147 | unless (defined $content) { |
179 | unless (defined $content) { |
148 | $content = "$code $msg"; |
180 | $content = "$code $msg"; |
149 | $hdr->{"Content-Type"} = "text/plain"; |
181 | $hdr->{"Content-Type"} = "text/plain"; |
150 | $hdr->{"Content-Length"} = length $content; |
182 | $hdr->{"Content-Length"} = length $content; |
151 | } |
183 | } |
|
|
184 | $hdr->{"Connection"} = "close"; |
152 | |
185 | |
153 | $self->response($code, $msg, $hdr, $content); |
186 | $self->response($code, $msg, $hdr, $content); |
154 | |
187 | |
155 | die bless {}, err::; |
188 | die bless {}, err::; |
156 | } |
189 | } |
… | |
… | |
158 | sub err_blocked { |
191 | sub err_blocked { |
159 | my $self = shift; |
192 | my $self = shift; |
160 | my $ip = $self->{remote_addr}; |
193 | my $ip = $self->{remote_addr}; |
161 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
194 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
162 | |
195 | |
163 | Coro::Event::do_timer(after => 5); |
196 | Coro::Event::do_timer(after => 20*rand); |
164 | |
197 | |
165 | $self->err(403, "too many connections", |
198 | $self->err(401, "too many connections", |
166 | { |
199 | { |
167 | "Content-Type" => "text/html", |
200 | "Content-Type" => "text/html", |
168 | "Retry-After" => $::BLOCKTIME |
201 | "Retry-After" => $::BLOCKTIME, |
|
|
202 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
203 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
|
|
204 | "Connection" => "close", |
169 | }, |
205 | }, |
170 | <<EOF); |
206 | <<EOF); |
171 | <html><p> |
207 | <html> |
|
|
208 | <head> |
|
|
209 | <title>Too many connections</title> |
|
|
210 | </head> |
|
|
211 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
212 | |
172 | You have been blocked because you opened too many connections. You |
213 | <p>You have been blocked because you opened too many connections. You |
173 | may retry at</p> |
214 | may retry at</p> |
174 | |
215 | |
175 | <p><blockquote>$time.</blockquote></p> |
216 | <p><blockquote>$time.</blockquote></p> |
176 | |
217 | |
177 | <p>Until then, each new access will renew the block. You might want to have a |
218 | <p>Until then, each new access will renew the block. You might want to have a |
178 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
219 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p> |
179 | </html> |
220 | |
|
|
221 | </body></html> |
180 | EOF |
222 | EOF |
181 | } |
223 | } |
182 | |
224 | |
183 | sub handle { |
225 | sub handle { |
184 | my $self = shift; |
226 | my $self = shift; |
185 | my $fh = $self->{fh}; |
227 | my $fh = $self->{fh}; |
186 | |
228 | |
|
|
229 | $fh->timeout($::REQ_TIMEOUT); |
187 | #while() { |
230 | while() { |
|
|
231 | $self->{reqs}++; |
|
|
232 | |
|
|
233 | # read request and parse first line |
|
|
234 | my $req = $fh->readline("\015\012\015\012"); |
|
|
235 | |
|
|
236 | unless (defined $req) { |
|
|
237 | if (exists $self->{version}) { |
|
|
238 | last; |
|
|
239 | } else { |
|
|
240 | $self->err(408, "request timeout"); |
|
|
241 | } |
|
|
242 | } |
|
|
243 | |
188 | $self->{h} = {}; |
244 | $self->{h} = {}; |
189 | |
245 | |
190 | # read request and parse first line |
|
|
191 | $fh->timeout($::REQ_TIMEOUT); |
|
|
192 | my $req = $fh->readline("\015\012\015\012"); |
|
|
193 | $fh->timeout($::RES_TIMEOUT); |
246 | $fh->timeout($::RES_TIMEOUT); |
194 | |
|
|
195 | defined $req or |
|
|
196 | $self->err(408, "request timeout"); |
|
|
197 | |
|
|
198 | my $ip = $self->{remote_addr}; |
247 | my $ip = $self->{remote_addr}; |
199 | |
248 | |
200 | if ($blocked{$ip}) { |
249 | if ($blocked{$ip}) { |
201 | $self->err_blocked($blocked{$ip}) |
250 | $self->err_blocked($blocked{$ip}) |
202 | if $blocked{$ip} > $::NOW; |
251 | if $blocked{$ip} > $::NOW; |
203 | |
252 | |
204 | delete $blocked{$ip}; |
253 | delete $blocked{$ip}; |
205 | } |
254 | } |
206 | |
255 | |
207 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
256 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
208 | $self->slog("blocked ip $ip"); |
257 | $self->slog(2, "blocked ip $ip"); |
209 | $self->err_blocked; |
258 | $self->err_blocked; |
210 | } |
259 | } |
211 | |
260 | |
212 | $req =~ /^(?:\015\012)? |
261 | $req =~ /^(?:\015\012)? |
213 | (GET|HEAD) \040+ |
262 | (GET|HEAD) \040+ |
214 | ([^\040]+) \040+ |
263 | ([^\040]+) \040+ |
215 | HTTP\/([0-9]+\.[0-9]+) |
264 | HTTP\/([0-9]+\.[0-9]+) |
216 | \015\012/gx |
265 | \015\012/gx |
217 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
266 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
218 | |
|
|
219 | $2 ne "1.0" |
|
|
220 | or $self->err(506, "http protocol version not supported"); |
|
|
221 | |
267 | |
222 | $self->{method} = $1; |
268 | $self->{method} = $1; |
223 | $self->{uri} = $2; |
269 | $self->{uri} = $2; |
|
|
270 | $self->{version} = $3; |
|
|
271 | |
|
|
272 | $3 =~ /^1\./ |
|
|
273 | or $self->err(506, "http protocol version $3 not supported"); |
224 | |
274 | |
225 | # parse headers |
275 | # parse headers |
226 | { |
276 | { |
227 | my (%hdr, $h, $v); |
277 | my (%hdr, $h, $v); |
228 | |
278 | |
… | |
… | |
241 | while ($h, $v) = each %hdr; |
291 | while ($h, $v) = each %hdr; |
242 | } |
292 | } |
243 | |
293 | |
244 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
294 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
245 | |
295 | |
246 | weaken ($uri{$self->{uri}}{$self*1} = $self); |
296 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
247 | |
297 | |
|
|
298 | eval { |
248 | $self->map_uri; |
299 | $self->map_uri; |
249 | $self->respond; |
300 | $self->respond; |
|
|
301 | }; |
|
|
302 | |
|
|
303 | $self->eoconn; |
|
|
304 | |
|
|
305 | die if $@ && !ref $@; |
|
|
306 | |
|
|
307 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
|
|
308 | |
|
|
309 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
|
|
310 | $fh->timeout($::PER_TIMEOUT); |
250 | #} |
311 | } |
251 | } |
312 | } |
252 | |
313 | |
253 | # uri => path mapping |
314 | # uri => path mapping |
254 | sub map_uri { |
315 | sub map_uri { |
255 | my $self = shift; |
316 | my $self = shift; |
… | |
… | |
342 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
403 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
343 | } else { |
404 | } else { |
344 | $ims < $self->{stat}[9] |
405 | $ims < $self->{stat}[9] |
345 | or $self->err(304, "not modified"); |
406 | or $self->err(304, "not modified"); |
346 | |
407 | |
347 | if ($self->{method} eq "GET") { |
|
|
348 | if (-r "$path/index.html") { |
408 | if (-r "$path/index.html") { |
349 | $self->{path} .= "/index.html"; |
409 | $self->{path} .= "/index.html"; |
350 | $self->handle_file; |
410 | $self->handle_file; |
351 | } else { |
411 | } else { |
352 | $self->handle_dir; |
412 | $self->handle_dir; |
353 | } |
|
|
354 | } |
413 | } |
355 | } |
414 | } |
356 | } elsif (-f _ && -r _) { |
415 | } elsif (-f _ && -r _) { |
357 | -x _ and $self->err(403, "forbidden"); |
416 | -x _ and $self->err(403, "forbidden"); |
358 | $self->handle_file; |
417 | $self->handle_file; |
… | |
… | |
391 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
450 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
392 | } else { |
451 | } else { |
393 | ($l, $h) = (0, $length - 1); |
452 | ($l, $h) = (0, $length - 1); |
394 | goto ignore; |
453 | goto ignore; |
395 | } |
454 | } |
396 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
455 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
397 | } |
456 | } |
398 | $hdr->{"Content-Range"} = "bytes */$length"; |
457 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
458 | $hdr->{"Content-Length"} = $length; |
|
|
459 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
399 | $self->err(416, "not satisfiable", $hdr); |
460 | $self->err(416, "not satisfiable", $hdr, ""); |
400 | |
461 | |
401 | satisfiable: |
462 | satisfiable: |
402 | # check for segmented downloads |
463 | # check for segmented downloads |
403 | if ($l && $::NO_SEGMENTED) { |
464 | if ($l && $::NO_SEGMENTED) { |
404 | if (%{$uri{$self->{uri}}} > 1) { |
465 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
405 | $self->slog("segmented download refused\n"); |
|
|
406 | $self->err(400, "segmented downloads are not allowed"); |
466 | $self->err(400, "segmented downloads are not allowed", |
|
|
467 | { "Content-Type" => "text/html", Connection => "close" }, <<EOF); |
|
|
468 | <html> |
|
|
469 | <head> |
|
|
470 | <title>Segmented downloads are not allowed</title> |
|
|
471 | </head> |
|
|
472 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
473 | |
|
|
474 | <p>Segmented downloads are not allowed on this server. Please refer to the |
|
|
475 | <a href="http://www.goof.com/pcg/marc/animefaq.html#segmented_downloads">FAQ</a>.</p> |
|
|
476 | |
|
|
477 | </body></html> |
|
|
478 | EOF |
|
|
479 | EOF |
407 | } |
480 | } |
408 | } |
481 | } |
409 | |
482 | |
410 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
483 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
411 | @code = (206, "partial content"); |
484 | @code = (206, "partial content"); |
… | |
… | |
421 | $hdr->{"Content-Length"} = $length; |
494 | $hdr->{"Content-Length"} = $length; |
422 | |
495 | |
423 | $self->response(@code, $hdr, ""); |
496 | $self->response(@code, $hdr, ""); |
424 | |
497 | |
425 | if ($self->{method} eq "GET") { |
498 | if ($self->{method} eq "GET") { |
426 | my ($fh, $buf); |
499 | my ($fh, $buf, $r); |
|
|
500 | my $current = $Coro::current; |
427 | open $fh, "<", $self->{path} |
501 | open $fh, "<", $self->{path} |
428 | or die "$self->{path}: late open failure ($!)"; |
502 | or die "$self->{path}: late open failure ($!)"; |
429 | |
503 | |
430 | if ($l) { |
|
|
431 | sysseek $fh, $l, 0 |
|
|
432 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
433 | } |
|
|
434 | |
|
|
435 | $h -= $l - 1; |
504 | $h -= $l - 1; |
436 | |
505 | |
|
|
506 | if (0) { |
|
|
507 | if ($l) { |
|
|
508 | sysseek $fh, $l, 0; |
|
|
509 | } |
|
|
510 | } |
|
|
511 | |
437 | while ($h > 0) { |
512 | while ($h > 0) { |
|
|
513 | if (0) { |
438 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
514 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
515 | or last; |
|
|
516 | } else { |
|
|
517 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
518 | $buf, 0, sub { |
|
|
519 | $r = $_[0]; |
|
|
520 | $current->ready; |
|
|
521 | }); |
|
|
522 | &Coro::schedule; |
|
|
523 | last unless $r; |
|
|
524 | } |
439 | my $w = $self->{fh}->syswrite($buf) |
525 | my $w = $self->{fh}->syswrite($buf) |
440 | or last; |
526 | or last; |
441 | $::written += $w; |
527 | $::written += $w; |
442 | $self->{written} += $w; |
528 | $self->{written} += $w; |
|
|
529 | $l += $r; |
443 | } |
530 | } |
444 | } |
531 | } |
445 | |
532 | |
446 | close $fh; |
533 | close $fh; |
447 | } |
534 | } |