1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::Event; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
|
|
5 | use Coro::Signal; |
|
|
6 | |
|
|
7 | use HTTP::Date; |
|
|
8 | use POSIX (); |
5 | |
9 | |
6 | no utf8; |
10 | no utf8; |
7 | use bytes; |
11 | use bytes; |
8 | |
12 | |
9 | # at least on my machine, this thingy serves files |
13 | # at least on my machine, this thingy serves files |
… | |
… | |
25 | my $level = shift; |
29 | my $level = shift; |
26 | my $format = shift; |
30 | my $format = shift; |
27 | printf "---: $format\n", @_; |
31 | printf "---: $format\n", @_; |
28 | } |
32 | } |
29 | |
33 | |
30 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
34 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
|
|
35 | our $httpevent = new Coro::Signal; |
|
|
36 | |
|
|
37 | our $wait_factor = 0.95; |
|
|
38 | |
|
|
39 | our $queue_small = new transferqueue $MAX_TRANSFERS_SMALL; |
|
|
40 | our $queue_large = new transferqueue $MAX_TRANSFERS_LARGE; |
|
|
41 | our $queue_index = new transferqueue 5; |
31 | |
42 | |
32 | my @newcons; |
43 | my @newcons; |
33 | my @pool; |
44 | my @pool; |
34 | |
45 | |
35 | # one "execution thread" |
46 | # one "execution thread" |
36 | sub handler { |
47 | sub handler { |
37 | while () { |
48 | while () { |
38 | my $new = pop @newcons; |
|
|
39 | if ($new) { |
49 | if (@newcons) { |
40 | eval { |
50 | eval { |
41 | conn->new(@$new)->handle; |
51 | conn->new(@{pop @newcons})->handle; |
42 | }; |
52 | }; |
43 | slog 1, "$@" if $@ && !ref $@; |
53 | slog 1, "$@" if $@ && !ref $@; |
44 | $connections->up; |
54 | $connections->up; |
45 | } else { |
55 | } else { |
46 | last if @pool >= $MAX_POOL; |
56 | last if @pool >= $MAX_POOL; |
… | |
… | |
48 | schedule; |
58 | schedule; |
49 | } |
59 | } |
50 | } |
60 | } |
51 | } |
61 | } |
52 | |
62 | |
|
|
63 | sub listen_on { |
|
|
64 | my $listen = $_[0]; |
|
|
65 | |
|
|
66 | push @listen_sockets, $listen; |
|
|
67 | |
|
|
68 | # the "main thread" |
|
|
69 | async { |
|
|
70 | slog 1, "accepting connections"; |
|
|
71 | while () { |
|
|
72 | $connections->down; |
|
|
73 | push @newcons, [$listen->accept]; |
|
|
74 | #slog 3, "accepted @$connections ".scalar(@pool); |
|
|
75 | if (@pool) { |
|
|
76 | (pop @pool)->ready; |
|
|
77 | } else { |
|
|
78 | async \&handler; |
|
|
79 | } |
|
|
80 | |
|
|
81 | } |
|
|
82 | }; |
|
|
83 | } |
|
|
84 | |
53 | my $http_port = new Coro::Socket |
85 | my $http_port = new Coro::Socket |
54 | LocalAddr => $SERVER_HOST, |
86 | LocalAddr => $SERVER_HOST, |
55 | LocalPort => $SERVER_PORT, |
87 | LocalPort => $SERVER_PORT, |
56 | ReuseAddr => 1, |
88 | ReuseAddr => 1, |
57 | Listen => 50, |
89 | Listen => 50, |
58 | or die "unable to start server"; |
90 | or die "unable to start server"; |
59 | |
91 | |
60 | push @listen_sockets, $http_port; |
92 | listen_on $http_port; |
61 | |
93 | |
62 | # the "main thread" |
94 | if ($SERVER_PORT2) { |
63 | async { |
95 | my $http_port = new Coro::Socket |
64 | slog 1, "accepting connections"; |
96 | LocalAddr => $SERVER_HOST, |
65 | while () { |
97 | LocalPort => $SERVER_PORT2, |
66 | $connections->down; |
98 | ReuseAddr => 1, |
67 | push @newcons, [$http_port->accept]; |
99 | Listen => 50, |
68 | #slog 3, "accepted @$connections ".scalar(@pool); |
100 | or die "unable to start server"; |
|
|
101 | |
|
|
102 | listen_on $http_port; |
|
|
103 | } |
|
|
104 | |
|
|
105 | our $NOW; |
|
|
106 | our $HTTP_NOW; |
|
|
107 | |
|
|
108 | Event->timer(interval => 1, hard => 1, cb => sub { |
69 | $::NOW = time; |
109 | $NOW = time; |
70 | if (@pool) { |
110 | $HTTP_NOW = time2str $NOW; |
71 | (pop @pool)->ready; |
111 | })->now; |
72 | } else { |
|
|
73 | async \&handler; |
|
|
74 | } |
|
|
75 | |
|
|
76 | } |
|
|
77 | }; |
|
|
78 | |
112 | |
79 | package conn; |
113 | package conn; |
80 | |
114 | |
81 | use Socket; |
115 | use Socket; |
82 | use HTTP::Date; |
116 | use HTTP::Date; |
… | |
… | |
109 | |
143 | |
110 | read_mimetypes; |
144 | read_mimetypes; |
111 | |
145 | |
112 | sub new { |
146 | sub new { |
113 | my $class = shift; |
147 | my $class = shift; |
|
|
148 | my $fh = shift; |
114 | my $peername = shift; |
149 | my $peername = shift; |
115 | my $fh = shift; |
|
|
116 | my $self = bless { fh => $fh }, $class; |
150 | my $self = bless { fh => $fh }, $class; |
117 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
151 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
118 | or $self->err(500, "unable to decode peername"); |
152 | or $self->err(500, "unable to decode peername"); |
119 | |
153 | |
|
|
154 | $self->{remote_addr} = |
120 | $self->{remote_addr} = inet_ntoa $iaddr; |
155 | $self->{remote_id} = inet_ntoa $iaddr; |
121 | $self->{time} = $::NOW; |
156 | $self->{time} = $::NOW; |
122 | |
157 | |
123 | # enter ourselves into various lists |
158 | weaken ($Coro::current->{conn} = $self); |
124 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
|
|
125 | |
159 | |
126 | $::conns++; |
160 | $::conns++; |
127 | |
161 | |
128 | $self; |
162 | $self; |
129 | } |
163 | } |
130 | |
164 | |
131 | sub DESTROY { |
165 | sub DESTROY { |
132 | my $self = shift; |
166 | my $self = shift; |
133 | |
|
|
134 | $::conns--; |
167 | $::conns--; |
135 | |
|
|
136 | $self->eoconn; |
168 | $self->eoconn; |
137 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
138 | } |
169 | } |
139 | |
170 | |
140 | # end of connection |
171 | # end of connection |
141 | sub eoconn { |
172 | sub eoconn { |
142 | my $self = shift; |
173 | my $self = shift; |
|
|
174 | |
|
|
175 | # clean up hints |
|
|
176 | delete $conn{$self->{remote_id}}{$self*1}; |
143 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
177 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
|
|
178 | |
|
|
179 | $httpevent->broadcast; |
144 | } |
180 | } |
145 | |
181 | |
146 | sub slog { |
182 | sub slog { |
147 | my $self = shift; |
183 | my $self = shift; |
148 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
184 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
149 | } |
185 | } |
150 | |
186 | |
151 | sub response { |
187 | sub response { |
152 | my ($self, $code, $msg, $hdr, $content) = @_; |
188 | my ($self, $code, $msg, $hdr, $content) = @_; |
153 | my $res = "HTTP/1.1 $code $msg\015\012"; |
189 | my $res = "HTTP/1.1 $code $msg\015\012"; |
154 | |
190 | |
155 | $self->{h}{connection} ||= $hdr->{Connection}; |
191 | if (exists $hdr->{Connection}) { |
|
|
192 | if ($hdr->{Connection} =~ /close/) { |
|
|
193 | $self->{h}{connection} = "close" |
|
|
194 | } |
|
|
195 | } else { |
|
|
196 | if ($self->{version} < 1.1) { |
|
|
197 | if ($self->{h}{connection} =~ /keep-alive/i) { |
|
|
198 | $hdr->{Connection} = "Keep-Alive"; |
|
|
199 | } else { |
|
|
200 | $self->{h}{connection} = "close" |
|
|
201 | } |
|
|
202 | } |
|
|
203 | } |
156 | |
204 | |
157 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
205 | $res .= "Date: $HTTP_NOW\015\012"; |
158 | |
206 | |
159 | while (my ($h, $v) = each %$hdr) { |
207 | while (my ($h, $v) = each %$hdr) { |
160 | $res .= "$h: $v\015\012" |
208 | $res .= "$h: $v\015\012" |
161 | } |
209 | } |
162 | $res .= "\015\012"; |
210 | $res .= "\015\012"; |
163 | |
211 | |
164 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
212 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
165 | |
213 | |
166 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
214 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
|
|
215 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}. |
|
|
216 | " \"$self->{h}{referer}\"\n"; |
167 | |
217 | |
168 | print $accesslog $log if $accesslog; |
218 | print $accesslog $log if $accesslog; |
169 | print STDERR $log; |
219 | print STDERR $log; |
170 | |
220 | |
171 | $self->{written} += |
221 | $self->{written} += |
… | |
… | |
175 | sub err { |
225 | sub err { |
176 | my $self = shift; |
226 | my $self = shift; |
177 | my ($code, $msg, $hdr, $content) = @_; |
227 | my ($code, $msg, $hdr, $content) = @_; |
178 | |
228 | |
179 | unless (defined $content) { |
229 | unless (defined $content) { |
180 | $content = "$code $msg"; |
230 | $content = "$code $msg\n"; |
181 | $hdr->{"Content-Type"} = "text/plain"; |
231 | $hdr->{"Content-Type"} = "text/plain"; |
182 | $hdr->{"Content-Length"} = length $content; |
232 | $hdr->{"Content-Length"} = length $content; |
183 | } |
233 | } |
184 | $hdr->{"Connection"} = "close"; |
234 | $hdr->{"Connection"} = "close"; |
185 | |
235 | |
186 | $self->response($code, $msg, $hdr, $content); |
236 | $self->response($code, $msg, $hdr, $content); |
187 | |
237 | |
188 | die bless {}, err::; |
238 | die bless {}, err::; |
189 | } |
239 | } |
190 | |
240 | |
191 | sub err_blocked { |
|
|
192 | my $self = shift; |
|
|
193 | my $ip = $self->{remote_addr}; |
|
|
194 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
|
|
195 | |
|
|
196 | Coro::Event::do_timer(after => 20*rand); |
|
|
197 | |
|
|
198 | $self->err(401, "too many connections", |
|
|
199 | { |
|
|
200 | "Content-Type" => "text/html", |
|
|
201 | "Retry-After" => $::BLOCKTIME, |
|
|
202 | "Warning" => "Please do NOT retry, you have been blocked", |
|
|
203 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
|
|
204 | "Connection" => "close", |
|
|
205 | }, |
|
|
206 | <<EOF); |
|
|
207 | <html> |
|
|
208 | <head> |
|
|
209 | <title>Too many connections</title> |
|
|
210 | </head> |
|
|
211 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
212 | |
|
|
213 | <p>You have been blocked because you opened too many connections. You |
|
|
214 | may retry at</p> |
|
|
215 | |
|
|
216 | <p><blockquote>$time.</blockquote></p> |
|
|
217 | |
|
|
218 | <p>Until then, each new access will renew the block. You might want to have a |
|
|
219 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p> |
|
|
220 | |
|
|
221 | </body></html> |
|
|
222 | EOF |
|
|
223 | } |
|
|
224 | |
|
|
225 | sub handle { |
241 | sub handle { |
226 | my $self = shift; |
242 | my $self = shift; |
227 | my $fh = $self->{fh}; |
243 | my $fh = $self->{fh}; |
|
|
244 | |
|
|
245 | my $host; |
228 | |
246 | |
229 | $fh->timeout($::REQ_TIMEOUT); |
247 | $fh->timeout($::REQ_TIMEOUT); |
230 | while() { |
248 | while() { |
231 | $self->{reqs}++; |
249 | $self->{reqs}++; |
232 | |
250 | |
… | |
… | |
242 | } |
260 | } |
243 | |
261 | |
244 | $self->{h} = {}; |
262 | $self->{h} = {}; |
245 | |
263 | |
246 | $fh->timeout($::RES_TIMEOUT); |
264 | $fh->timeout($::RES_TIMEOUT); |
247 | my $ip = $self->{remote_addr}; |
|
|
248 | |
|
|
249 | if ($blocked{$ip}) { |
|
|
250 | $self->err_blocked($blocked{$ip}) |
|
|
251 | if $blocked{$ip} > $::NOW; |
|
|
252 | |
|
|
253 | delete $blocked{$ip}; |
|
|
254 | } |
|
|
255 | |
|
|
256 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
257 | $self->slog(2, "blocked ip $ip"); |
|
|
258 | $self->err_blocked; |
|
|
259 | } |
|
|
260 | |
265 | |
261 | $req =~ /^(?:\015\012)? |
266 | $req =~ /^(?:\015\012)? |
262 | (GET|HEAD) \040+ |
267 | (GET|HEAD) \040+ |
263 | ([^\040]+) \040+ |
268 | ([^\040]+) \040+ |
264 | HTTP\/([0-9]+\.[0-9]+) |
269 | HTTP\/([0-9]+\.[0-9]+) |
… | |
… | |
289 | |
294 | |
290 | $self->{h}{$h} = substr $v, 1 |
295 | $self->{h}{$h} = substr $v, 1 |
291 | while ($h, $v) = each %hdr; |
296 | while ($h, $v) = each %hdr; |
292 | } |
297 | } |
293 | |
298 | |
|
|
299 | # remote id should be unique per user |
|
|
300 | my $id = $self->{remote_addr}; |
|
|
301 | |
|
|
302 | if (exists $self->{h}{"client-ip"}) { |
|
|
303 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
304 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
305 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
306 | } |
|
|
307 | |
|
|
308 | $self->{remote_id} = $id; |
|
|
309 | |
|
|
310 | if ($blocked{$id}) { |
|
|
311 | $self->err_blocked($blocked{$id}) |
|
|
312 | if $blocked{$id} > $::NOW; |
|
|
313 | |
|
|
314 | delete $blocked{$id}; |
|
|
315 | } |
|
|
316 | |
|
|
317 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
318 | my $delay = $::PER_TIMEOUT + $::NOW + 15; |
|
|
319 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
320 | if ($delay < $::NOW) { |
|
|
321 | $self->slog(2, "blocked ip $id"); |
|
|
322 | $self->err_blocked; |
|
|
323 | } else { |
|
|
324 | $httpevent->wait; |
|
|
325 | } |
|
|
326 | } |
|
|
327 | } |
|
|
328 | |
|
|
329 | # find out server name and port |
|
|
330 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
|
|
331 | $host = $1; |
|
|
332 | } else { |
|
|
333 | $host = $self->{h}{host}; |
|
|
334 | } |
|
|
335 | |
|
|
336 | if (defined $host) { |
294 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
337 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
|
338 | } else { |
|
|
339 | ($self->{server_port}, $host) |
|
|
340 | = unpack_sockaddr_in $self->{fh}->sockname |
|
|
341 | or $self->err(500, "unable to get socket name"); |
|
|
342 | $host = inet_ntoa $host; |
|
|
343 | } |
295 | |
344 | |
|
|
345 | $self->{server_name} = $host; |
|
|
346 | |
|
|
347 | # enter ourselves into various lists |
|
|
348 | weaken ($conn{$id}{$self*1} = $self); |
296 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
349 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
297 | |
350 | |
298 | eval { |
351 | eval { |
299 | $self->map_uri; |
352 | $self->map_uri; |
300 | $self->respond; |
353 | $self->respond; |
301 | }; |
354 | }; |
302 | |
355 | |
303 | $self->eoconn; |
356 | $self->eoconn; |
304 | |
357 | |
305 | die if $@ && !ref $@; |
358 | die if $@ && !ref $@; |
306 | |
359 | |
307 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
360 | last if $self->{h}{connection} =~ /close/; |
308 | |
361 | |
309 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
362 | $httpevent->broadcast; |
|
|
363 | |
310 | $fh->timeout($::PER_TIMEOUT); |
364 | $fh->timeout($::PER_TIMEOUT); |
311 | } |
365 | } |
312 | } |
366 | } |
313 | |
367 | |
314 | # uri => path mapping |
368 | # uri => path mapping |
315 | sub map_uri { |
369 | sub map_uri { |
316 | my $self = shift; |
370 | my $self = shift; |
317 | my $host = $self->{h}{host} || "default"; |
371 | my $host = $self->{server_name}; |
318 | my $uri = $self->{uri}; |
372 | my $uri = $self->{uri}; |
319 | |
373 | |
320 | # some massaging, also makes it more secure |
374 | # some massaging, also makes it more secure |
321 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
375 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
322 | $uri =~ s%//+%/%g; |
376 | $uri =~ s%//+%/%g; |
… | |
… | |
332 | $self->{path} = "$::DOCROOT/$host$uri"; |
386 | $self->{path} = "$::DOCROOT/$host$uri"; |
333 | |
387 | |
334 | $self->access_check; |
388 | $self->access_check; |
335 | } |
389 | } |
336 | |
390 | |
337 | sub server_address { |
|
|
338 | my $self = shift; |
|
|
339 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
340 | or $self->err(500, "unable to get socket name"); |
|
|
341 | ((inet_ntoa $iaddr), $port); |
|
|
342 | } |
|
|
343 | |
|
|
344 | sub server_host { |
|
|
345 | my $self = shift; |
|
|
346 | if (exists $self->{h}{host}) { |
|
|
347 | return $self->{h}{host}; |
|
|
348 | } else { |
|
|
349 | return (($self->server_address)[0]); |
|
|
350 | } |
|
|
351 | } |
|
|
352 | |
|
|
353 | sub server_hostport { |
|
|
354 | my $self = shift; |
|
|
355 | my ($host, $port); |
|
|
356 | if (exists $self->{h}{host}) { |
|
|
357 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
358 | } else { |
|
|
359 | ($host, $port) = $self->server_address; |
|
|
360 | } |
|
|
361 | $port = $port == 80 ? "" : ":$port"; |
|
|
362 | $host.$port; |
|
|
363 | } |
|
|
364 | |
|
|
365 | sub _cgi { |
391 | sub _cgi { |
366 | my $self = shift; |
392 | my $self = shift; |
367 | my $path = shift; |
393 | my $path = shift; |
368 | my $fh; |
394 | my $fh; |
369 | |
395 | |
370 | # no two-way xxx supported |
396 | # no two-way xxx supported |
371 | if (0 == fork) { |
397 | if (0 == fork) { |
372 | open STDOUT, ">&".fileno($self->{fh}); |
398 | open STDOUT, ">&".fileno($self->{fh}); |
373 | if (chdir $::DOCROOT) { |
399 | if (chdir $::DOCROOT) { |
374 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
400 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
375 | $ENV{HTTP_HOST} = $self->server_host; |
401 | $ENV{HTTP_HOST} = $self->{server_name}; |
376 | $ENV{HTTP_PORT} = $self->{server_host}; |
402 | $ENV{HTTP_PORT} = $self->{server_port}; |
377 | $ENV{SCRIPT_NAME} = $self->{name}; |
403 | $ENV{SCRIPT_NAME} = $self->{name}; |
378 | exec $path; |
404 | exec $path; |
379 | } |
405 | } |
380 | Coro::State::_exit(0); |
406 | Coro::State::_exit(0); |
381 | } else { |
407 | } else { |
|
|
408 | die; |
382 | } |
409 | } |
|
|
410 | } |
|
|
411 | |
|
|
412 | sub server_hostport { |
|
|
413 | $_[0]{server_port} == 80 |
|
|
414 | ? $_[0]{server_name} |
|
|
415 | : "$_[0]{server_name}:$_[0]{server_port}"; |
383 | } |
416 | } |
384 | |
417 | |
385 | sub respond { |
418 | sub respond { |
386 | my $self = shift; |
419 | my $self = shift; |
387 | my $path = $self->{path}; |
420 | my $path = $self->{path}; |
388 | |
421 | |
389 | stat $path |
422 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
390 | or $self->err(404, "not found"); |
423 | if ($::internal{$1}) { |
391 | |
424 | $::internal{$1}->($self); |
392 | $self->{stat} = [stat _]; |
|
|
393 | |
|
|
394 | # idiotic netscape sends idiotic headers AGAIN |
|
|
395 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
396 | ? str2time $1 : 0; |
|
|
397 | |
|
|
398 | if (-d _ && -r _) { |
|
|
399 | # directory |
|
|
400 | if ($path !~ /\/$/) { |
|
|
401 | # create a redirect to get the trailing "/" |
|
|
402 | my $host = $self->server_hostport; |
|
|
403 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
|
|
404 | } else { |
425 | } else { |
405 | $ims < $self->{stat}[9] |
426 | $self->err(404, "not found"); |
|
|
427 | } |
|
|
428 | } else { |
|
|
429 | |
|
|
430 | stat $path |
406 | or $self->err(304, "not modified"); |
431 | or $self->err(404, "not found"); |
407 | |
432 | |
408 | if (-r "$path/index.html") { |
433 | $self->{stat} = [stat _]; |
409 | $self->{path} .= "/index.html"; |
434 | |
410 | $self->handle_file; |
435 | # idiotic netscape sends idiotic headers AGAIN |
|
|
436 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
437 | ? str2time $1 : 0; |
|
|
438 | |
|
|
439 | if (-d _ && -r _) { |
|
|
440 | # directory |
|
|
441 | if ($path !~ /\/$/) { |
|
|
442 | # create a redirect to get the trailing "/" |
|
|
443 | # we don't try to avoid the :80 |
|
|
444 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
411 | } else { |
445 | } else { |
|
|
446 | $ims < $self->{stat}[9] |
|
|
447 | or $self->err(304, "not modified"); |
|
|
448 | |
|
|
449 | if (-r "$path/index.html") { |
|
|
450 | # replace directory "size" by index.html filesize |
|
|
451 | $self->{stat}[7] = (stat ($self->{path} .= "/index.html"))[7]; |
|
|
452 | $self->handle_file($queue_index); |
|
|
453 | } else { |
412 | $self->handle_dir; |
454 | $self->handle_dir; |
413 | } |
455 | } |
414 | } |
456 | } |
415 | } elsif (-f _ && -r _) { |
457 | } elsif (-f _ && -r _) { |
416 | -x _ and $self->err(403, "forbidden"); |
458 | -x _ and $self->err(403, "forbidden"); |
417 | $self->handle_file; |
459 | $self->handle_file(-s _ >= $::TRANSFER_SMALL ? $queue_large : $queue_small); |
418 | } else { |
460 | } else { |
419 | $self->err(404, "not found"); |
461 | $self->err(404, "not found"); |
|
|
462 | } |
420 | } |
463 | } |
421 | } |
464 | } |
422 | |
465 | |
423 | sub handle_dir { |
466 | sub handle_dir { |
424 | my $self = shift; |
467 | my $self = shift; |
… | |
… | |
426 | |
469 | |
427 | $self->response(200, "ok", |
470 | $self->response(200, "ok", |
428 | { |
471 | { |
429 | "Content-Type" => "text/html", |
472 | "Content-Type" => "text/html", |
430 | "Content-Length" => length $idx, |
473 | "Content-Length" => length $idx, |
|
|
474 | #d# directories change all the time, so X- |
|
|
475 | "X-Last-Modified" => time2str ((stat _)[9]), |
431 | }, |
476 | }, |
432 | $idx); |
477 | $idx); |
433 | } |
478 | } |
434 | |
479 | |
435 | sub handle_file { |
480 | sub handle_file { |
436 | my $self = shift; |
481 | my ($self, $queue) = @_; |
437 | my $length = -s _; |
482 | my $length = $self->{stat}[7]; |
438 | my $hdr = { |
483 | my $hdr = { |
439 | "Last-Modified" => time2str ((stat _)[9]), |
484 | "Last-Modified" => time2str ((stat _)[9]), |
440 | }; |
485 | }; |
441 | |
486 | |
442 | my @code = (200, "ok"); |
487 | my @code = (200, "ok"); |
… | |
… | |
454 | } |
499 | } |
455 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
500 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
456 | } |
501 | } |
457 | $hdr->{"Content-Range"} = "bytes */$length"; |
502 | $hdr->{"Content-Range"} = "bytes */$length"; |
458 | $hdr->{"Content-Length"} = $length; |
503 | $hdr->{"Content-Length"} = $length; |
459 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
|
|
460 | $self->err(416, "not satisfiable", $hdr, ""); |
504 | $self->err(416, "not satisfiable", $hdr, ""); |
461 | |
505 | |
462 | satisfiable: |
506 | satisfiable: |
463 | # check for segmented downloads |
507 | # check for segmented downloads |
464 | if ($l && $::NO_SEGMENTED) { |
508 | if ($l && $::NO_SEGMENTED) { |
|
|
509 | my $delay = $::NOW + $::PER_TIMEOUT + 15; |
465 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
510 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
466 | $self->err(400, "segmented downloads are not allowed", |
511 | if ($delay <= $::NOW) { |
467 | { "Content-Type" => "text/html", Connection => "close" }, <<EOF); |
512 | $self->err_segmented_download; |
468 | <html> |
513 | } else { |
469 | <head> |
514 | $httpevent->wait; |
470 | <title>Segmented downloads are not allowed</title> |
515 | } |
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 |
|
|
480 | } |
516 | } |
481 | } |
517 | } |
482 | |
518 | |
483 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
519 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
484 | @code = (206, "partial content"); |
520 | @code = (206, "partial content"); |
… | |
… | |
494 | $hdr->{"Content-Length"} = $length; |
530 | $hdr->{"Content-Length"} = $length; |
495 | |
531 | |
496 | $self->response(@code, $hdr, ""); |
532 | $self->response(@code, $hdr, ""); |
497 | |
533 | |
498 | if ($self->{method} eq "GET") { |
534 | if ($self->{method} eq "GET") { |
|
|
535 | $self->{time} = $::NOW; |
|
|
536 | |
|
|
537 | my $current = $Coro::current; |
|
|
538 | |
499 | my ($fh, $buf, $r); |
539 | my ($fh, $buf, $r); |
500 | my $current = $Coro::current; |
540 | |
501 | open $fh, "<", $self->{path} |
541 | open $fh, "<", $self->{path} |
502 | or die "$self->{path}: late open failure ($!)"; |
542 | or die "$self->{path}: late open failure ($!)"; |
503 | |
543 | |
504 | $h -= $l - 1; |
544 | $h -= $l - 1; |
505 | |
545 | |
506 | if (0) { |
546 | if (0) { # !AIO |
507 | if ($l) { |
547 | if ($l) { |
508 | sysseek $fh, $l, 0; |
548 | sysseek $fh, $l, 0; |
509 | } |
549 | } |
510 | } |
550 | } |
|
|
551 | |
|
|
552 | my $transfer = $queue->start_transfer; |
|
|
553 | my $locked; |
|
|
554 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
511 | |
555 | |
512 | while ($h > 0) { |
556 | while ($h > 0) { |
|
|
557 | unless ($locked) { |
|
|
558 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
559 | $bufsize = $::BUFSIZE; |
|
|
560 | $self->{time} = $::NOW; |
|
|
561 | } |
|
|
562 | } |
|
|
563 | |
513 | if (0) { |
564 | if (0) { # !AIO |
514 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
565 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
515 | or last; |
566 | or last; |
516 | } else { |
567 | } else { |
517 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
568 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
518 | $buf, 0, sub { |
569 | $buf, 0, sub { |
519 | $r = $_[0]; |
570 | $r = $_[0]; |
520 | $current->ready; |
571 | Coro::ready($current); |
521 | }); |
572 | }); |
522 | &Coro::schedule; |
573 | &Coro::schedule; |
523 | last unless $r; |
574 | last unless $r; |
524 | } |
575 | } |
525 | my $w = $self->{fh}->syswrite($buf) |
576 | my $w = syswrite $self->{fh}, $buf |
526 | or last; |
577 | or last; |
527 | $::written += $w; |
578 | $::written += $w; |
528 | $self->{written} += $w; |
579 | $self->{written} += $w; |
529 | $l += $r; |
580 | $l += $r; |
530 | } |
581 | } |
531 | } |
|
|
532 | |
582 | |
533 | close $fh; |
583 | close $fh; |
|
|
584 | } |
534 | } |
585 | } |
535 | |
586 | |
536 | 1; |
587 | 1; |