| … | |
… | |
| 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 | } |
| … | |
… | |
| 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; |
| … | |
… | |
| 114 | sub DESTROY { |
131 | sub DESTROY { |
| 115 | my $self = shift; |
132 | my $self = shift; |
| 116 | |
133 | |
| 117 | $::conns--; |
134 | $::conns--; |
| 118 | |
135 | |
|
|
136 | $self->eoconn; |
| 119 | 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; |
| 120 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
143 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
| 121 | } |
144 | } |
| 122 | |
145 | |
| 123 | sub slog { |
146 | sub slog { |
| 124 | my $self = shift; |
147 | my $self = shift; |
| 125 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
148 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
| 126 | } |
149 | } |
| 127 | |
150 | |
| 128 | sub response { |
151 | sub response { |
| 129 | my ($self, $code, $msg, $hdr, $content) = @_; |
152 | my ($self, $code, $msg, $hdr, $content) = @_; |
| 130 | my $res = "HTTP/1.0 $code $msg\015\012"; |
153 | my $res = "HTTP/1.1 $code $msg\015\012"; |
| 131 | |
154 | |
| 132 | $res .= "Connection: close\015\012"; |
155 | #$res .= "Connection: close\015\012"; |
| 133 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
156 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
| 134 | |
157 | |
| 135 | while (my ($h, $v) = each %$hdr) { |
158 | while (my ($h, $v) = each %$hdr) { |
| 136 | $res .= "$h: $v\015\012" |
159 | $res .= "$h: $v\015\012" |
| 137 | } |
160 | } |
| 138 | $res .= "\015\012"; |
161 | $res .= "\015\012"; |
| 139 | |
162 | |
| 140 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
163 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
| 141 | |
164 | |
| 142 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
165 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
|
|
166 | |
|
|
167 | print $accesslog $log if $accesslog; |
|
|
168 | print STDERR $log; |
| 143 | |
169 | |
| 144 | $self->{written} += |
170 | $self->{written} += |
| 145 | print {$self->{fh}} $res; |
171 | print {$self->{fh}} $res; |
| 146 | } |
172 | } |
| 147 | |
173 | |
| … | |
… | |
| 152 | unless (defined $content) { |
178 | unless (defined $content) { |
| 153 | $content = "$code $msg"; |
179 | $content = "$code $msg"; |
| 154 | $hdr->{"Content-Type"} = "text/plain"; |
180 | $hdr->{"Content-Type"} = "text/plain"; |
| 155 | $hdr->{"Content-Length"} = length $content; |
181 | $hdr->{"Content-Length"} = length $content; |
| 156 | } |
182 | } |
|
|
183 | $hdr->{"Connection"} = "close"; |
| 157 | |
184 | |
| 158 | $self->response($code, $msg, $hdr, $content); |
185 | $self->response($code, $msg, $hdr, $content); |
| 159 | |
186 | |
| 160 | die bless {}, err::; |
187 | die bless {}, err::; |
| 161 | } |
188 | } |
| … | |
… | |
| 163 | sub err_blocked { |
190 | sub err_blocked { |
| 164 | my $self = shift; |
191 | my $self = shift; |
| 165 | my $ip = $self->{remote_addr}; |
192 | my $ip = $self->{remote_addr}; |
| 166 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
193 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
| 167 | |
194 | |
|
|
195 | Coro::Event::do_timer(after => 20*rand); |
|
|
196 | |
| 168 | $self->err(403, "too many connections", |
197 | $self->err(401, "too many connections", |
| 169 | { |
198 | { |
| 170 | "Content-Type" => "text/html", |
199 | "Content-Type" => "text/html", |
| 171 | "Retry-After" => $::BLOCKTIME |
200 | "Retry-After" => $::BLOCKTIME, |
|
|
201 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
202 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
| 172 | }, |
203 | }, |
| 173 | <<EOF); |
204 | <<EOF); |
| 174 | <html><p> |
205 | <html> |
|
|
206 | <head> |
|
|
207 | <title>Too many connections</title> |
|
|
208 | </head> |
|
|
209 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
210 | |
| 175 | You have been blocked because you opened too many connections. You |
211 | <p>You have been blocked because you opened too many connections. You |
| 176 | may retry at</p> |
212 | may retry at</p> |
| 177 | |
213 | |
| 178 | <p><blockquote>$time.</blockquote></p> |
214 | <p><blockquote>$time.</blockquote></p> |
| 179 | |
215 | |
| 180 | <p>Until then, each new access will renew the block. You might want to have a |
216 | <p>Until then, each new access will renew the block. You might want to have a |
| 181 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
217 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
| 182 | </html> |
218 | |
|
|
219 | </body></html> |
| 183 | EOF |
220 | EOF |
| 184 | } |
221 | } |
| 185 | |
222 | |
| 186 | sub handle { |
223 | sub handle { |
| 187 | my $self = shift; |
224 | my $self = shift; |
| 188 | my $fh = $self->{fh}; |
225 | my $fh = $self->{fh}; |
| 189 | |
226 | |
|
|
227 | $fh->timeout($::REQ_TIMEOUT); |
| 190 | #while() { |
228 | while() { |
|
|
229 | $self->{reqs}++; |
|
|
230 | |
|
|
231 | # read request and parse first line |
|
|
232 | my $req = $fh->readline("\015\012\015\012"); |
|
|
233 | |
|
|
234 | unless (defined $req) { |
|
|
235 | if (exists $self->{version}) { |
|
|
236 | last; |
|
|
237 | } else { |
|
|
238 | $self->err(408, "request timeout"); |
|
|
239 | } |
|
|
240 | } |
|
|
241 | |
| 191 | $self->{h} = {}; |
242 | $self->{h} = {}; |
| 192 | |
243 | |
| 193 | # read request and parse first line |
|
|
| 194 | $fh->timeout($::REQ_TIMEOUT); |
|
|
| 195 | my $req = $fh->readline("\015\012\015\012"); |
|
|
| 196 | $fh->timeout($::RES_TIMEOUT); |
244 | $fh->timeout($::RES_TIMEOUT); |
| 197 | |
|
|
| 198 | defined $req or |
|
|
| 199 | $self->err(408, "request timeout"); |
|
|
| 200 | |
|
|
| 201 | my $ip = $self->{remote_addr}; |
245 | my $ip = $self->{remote_addr}; |
| 202 | |
246 | |
| 203 | if ($blocked{$ip}) { |
247 | if ($blocked{$ip}) { |
| 204 | $self->err_blocked($blocked{$ip}) |
248 | $self->err_blocked($blocked{$ip}) |
| 205 | if $blocked{$ip} > $::NOW; |
249 | if $blocked{$ip} > $::NOW; |
| … | |
… | |
| 215 | $req =~ /^(?:\015\012)? |
259 | $req =~ /^(?:\015\012)? |
| 216 | (GET|HEAD) \040+ |
260 | (GET|HEAD) \040+ |
| 217 | ([^\040]+) \040+ |
261 | ([^\040]+) \040+ |
| 218 | HTTP\/([0-9]+\.[0-9]+) |
262 | HTTP\/([0-9]+\.[0-9]+) |
| 219 | \015\012/gx |
263 | \015\012/gx |
| 220 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
264 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
| 221 | |
|
|
| 222 | $2 ne "1.0" |
|
|
| 223 | or $self->err(506, "http protocol version not supported"); |
|
|
| 224 | |
265 | |
| 225 | $self->{method} = $1; |
266 | $self->{method} = $1; |
| 226 | $self->{uri} = $2; |
267 | $self->{uri} = $2; |
|
|
268 | $self->{version} = $3; |
|
|
269 | |
|
|
270 | $3 =~ /^1\./ |
|
|
271 | or $self->err(506, "http protocol version $3 not supported"); |
| 227 | |
272 | |
| 228 | # parse headers |
273 | # parse headers |
| 229 | { |
274 | { |
| 230 | my (%hdr, $h, $v); |
275 | my (%hdr, $h, $v); |
| 231 | |
276 | |
| … | |
… | |
| 246 | |
291 | |
| 247 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
292 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
| 248 | |
293 | |
| 249 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
294 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
| 250 | |
295 | |
|
|
296 | eval { |
| 251 | $self->map_uri; |
297 | $self->map_uri; |
| 252 | $self->respond; |
298 | $self->respond; |
|
|
299 | }; |
|
|
300 | |
|
|
301 | $self->eoconn; |
|
|
302 | |
|
|
303 | die if $@ && !ref $@; |
|
|
304 | |
|
|
305 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
|
|
306 | |
|
|
307 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
|
|
308 | $fh->timeout($::PER_TIMEOUT); |
| 253 | #} |
309 | } |
| 254 | } |
310 | } |
| 255 | |
311 | |
| 256 | # uri => path mapping |
312 | # uri => path mapping |
| 257 | sub map_uri { |
313 | sub map_uri { |
| 258 | my $self = shift; |
314 | my $self = shift; |
| … | |
… | |
| 345 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
401 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
| 346 | } else { |
402 | } else { |
| 347 | $ims < $self->{stat}[9] |
403 | $ims < $self->{stat}[9] |
| 348 | or $self->err(304, "not modified"); |
404 | or $self->err(304, "not modified"); |
| 349 | |
405 | |
| 350 | if ($self->{method} eq "GET") { |
|
|
| 351 | if (-r "$path/index.html") { |
406 | if (-r "$path/index.html") { |
| 352 | $self->{path} .= "/index.html"; |
407 | $self->{path} .= "/index.html"; |
| 353 | $self->handle_file; |
408 | $self->handle_file; |
| 354 | } else { |
409 | } else { |
| 355 | $self->handle_dir; |
410 | $self->handle_dir; |
| 356 | } |
|
|
| 357 | } |
411 | } |
| 358 | } |
412 | } |
| 359 | } elsif (-f _ && -r _) { |
413 | } elsif (-f _ && -r _) { |
| 360 | -x _ and $self->err(403, "forbidden"); |
414 | -x _ and $self->err(403, "forbidden"); |
| 361 | $self->handle_file; |
415 | $self->handle_file; |
| … | |
… | |
| 394 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
448 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
| 395 | } else { |
449 | } else { |
| 396 | ($l, $h) = (0, $length - 1); |
450 | ($l, $h) = (0, $length - 1); |
| 397 | goto ignore; |
451 | goto ignore; |
| 398 | } |
452 | } |
| 399 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
453 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
| 400 | } |
454 | } |
| 401 | $hdr->{"Content-Range"} = "bytes */$length"; |
455 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
456 | $hdr->{"Content-Length"} = $length; |
|
|
457 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
| 402 | $self->err(416, "not satisfiable", $hdr); |
458 | $self->err(416, "not satisfiable", $hdr, ""); |
| 403 | |
459 | |
| 404 | satisfiable: |
460 | satisfiable: |
| 405 | # check for segmented downloads |
461 | # check for segmented downloads |
| 406 | if ($l && $::NO_SEGMENTED) { |
462 | if ($l && $::NO_SEGMENTED) { |
| 407 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
463 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
| … | |
… | |
| 423 | $hdr->{"Content-Length"} = $length; |
479 | $hdr->{"Content-Length"} = $length; |
| 424 | |
480 | |
| 425 | $self->response(@code, $hdr, ""); |
481 | $self->response(@code, $hdr, ""); |
| 426 | |
482 | |
| 427 | if ($self->{method} eq "GET") { |
483 | if ($self->{method} eq "GET") { |
| 428 | my ($fh, $buf); |
484 | my ($fh, $buf, $r); |
|
|
485 | my $current = $Coro::current; |
| 429 | open $fh, "<", $self->{path} |
486 | open $fh, "<", $self->{path} |
| 430 | or die "$self->{path}: late open failure ($!)"; |
487 | or die "$self->{path}: late open failure ($!)"; |
| 431 | |
488 | |
| 432 | if ($l) { |
|
|
| 433 | sysseek $fh, $l, 0 |
|
|
| 434 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
| 435 | } |
|
|
| 436 | |
|
|
| 437 | $h -= $l - 1; |
489 | $h -= $l - 1; |
| 438 | |
490 | |
|
|
491 | if (0) { |
|
|
492 | if ($l) { |
|
|
493 | sysseek $fh, $l, 0; |
|
|
494 | } |
|
|
495 | } |
|
|
496 | |
| 439 | while ($h > 0) { |
497 | while ($h > 0) { |
|
|
498 | if (0) { |
| 440 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
499 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
500 | or last; |
|
|
501 | } else { |
|
|
502 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
503 | $buf, 0, sub { |
|
|
504 | $r = $_[0]; |
|
|
505 | $current->ready; |
|
|
506 | }); |
|
|
507 | &Coro::schedule; |
|
|
508 | last unless $r; |
|
|
509 | } |
| 441 | my $w = $self->{fh}->syswrite($buf) |
510 | my $w = $self->{fh}->syswrite($buf) |
| 442 | or last; |
511 | or last; |
| 443 | $::written += $w; |
512 | $::written += $w; |
| 444 | $self->{written} += $w; |
513 | $self->{written} += $w; |
|
|
514 | $l += $r; |
| 445 | } |
515 | } |
| 446 | } |
516 | } |
| 447 | |
517 | |
| 448 | close $fh; |
518 | close $fh; |
| 449 | } |
519 | } |
