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 (); |
|
|
9 | |
|
|
10 | use Compress::Zlib (); |
5 | |
11 | |
6 | no utf8; |
12 | no utf8; |
7 | use bytes; |
13 | use bytes; |
8 | |
14 | |
9 | # at least on my machine, this thingy serves files |
15 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
16 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
17 | # and quite a bit slower than thttpd :( |
12 | |
18 | |
13 | $SIG{PIPE} = 'IGNORE'; |
19 | $SIG{PIPE} = 'IGNORE'; |
14 | |
20 | |
|
|
21 | our $accesslog; |
|
|
22 | our $errorlog; |
|
|
23 | |
|
|
24 | our $NOW; |
|
|
25 | our $HTTP_NOW; |
|
|
26 | |
|
|
27 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
28 | $NOW = time; |
|
|
29 | $HTTP_NOW = time2str $NOW; |
|
|
30 | })->now; |
|
|
31 | |
|
|
32 | if ($ERROR_LOG) { |
|
|
33 | use IO::Handle; |
|
|
34 | open $errorlog, ">>$ERROR_LOG" |
|
|
35 | or die "$ERROR_LOG: $!"; |
|
|
36 | $errorlog->autoflush(1); |
|
|
37 | } |
|
|
38 | |
|
|
39 | if ($ACCESS_LOG) { |
|
|
40 | use IO::Handle; |
|
|
41 | open $accesslog, ">>$ACCESS_LOG" |
|
|
42 | or die "$ACCESS_LOG: $!"; |
|
|
43 | $accesslog->autoflush(1); |
|
|
44 | } |
|
|
45 | |
15 | sub slog { |
46 | sub slog { |
16 | my $level = shift; |
47 | my $level = shift; |
17 | my $format = shift; |
48 | my $format = shift; |
|
|
49 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
18 | printf "---: $format\n", @_; |
50 | printf "$NOW: $format\n", @_; |
|
|
51 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
19 | } |
52 | } |
20 | |
53 | |
21 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
54 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
|
|
55 | our $httpevent = new Coro::Signal; |
|
|
56 | |
|
|
57 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
|
|
58 | our $queue_index = new transferqueue 10; |
22 | |
59 | |
23 | my @newcons; |
60 | my @newcons; |
24 | my @pool; |
61 | my @pool; |
25 | |
62 | |
26 | # one "execution thread" |
63 | # one "execution thread" |
27 | sub handler { |
64 | sub handler { |
28 | while () { |
65 | while () { |
29 | my $new = pop @newcons; |
|
|
30 | if ($new) { |
66 | if (@newcons) { |
31 | eval { |
67 | eval { |
32 | conn->new(@$new)->handle; |
68 | conn->new(@{pop @newcons})->handle; |
33 | }; |
69 | }; |
34 | slog 1, "$@" if $@ && !ref $@; |
70 | slog 1, "$@" if $@ && !ref $@; |
|
|
71 | |
|
|
72 | $httpevent->broadcast; # only for testing, but doesn't matter much |
|
|
73 | |
35 | $connections->up; |
74 | $connections->up; |
36 | } else { |
75 | } else { |
37 | last if @pool >= $MAX_POOL; |
76 | last if @pool >= $MAX_POOL; |
38 | push @pool, $Coro::current; |
77 | push @pool, $Coro::current; |
39 | schedule; |
78 | schedule; |
40 | } |
79 | } |
41 | } |
80 | } |
|
|
81 | } |
|
|
82 | |
|
|
83 | sub listen_on { |
|
|
84 | my $listen = $_[0]; |
|
|
85 | |
|
|
86 | push @listen_sockets, $listen; |
|
|
87 | |
|
|
88 | # the "main thread" |
|
|
89 | async { |
|
|
90 | slog 1, "accepting connections"; |
|
|
91 | while () { |
|
|
92 | $connections->down; |
|
|
93 | push @newcons, [$listen->accept]; |
|
|
94 | #slog 3, "accepted @$connections ".scalar(@pool); |
|
|
95 | if (@pool) { |
|
|
96 | (pop @pool)->ready; |
|
|
97 | } else { |
|
|
98 | async \&handler; |
|
|
99 | } |
|
|
100 | |
|
|
101 | } |
|
|
102 | }; |
42 | } |
103 | } |
43 | |
104 | |
44 | my $http_port = new Coro::Socket |
105 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
106 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
107 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
108 | ReuseAddr => 1, |
48 | Listen => 50, |
109 | Listen => 50, |
49 | or die "unable to start server"; |
110 | or die "unable to start server"; |
50 | |
111 | |
51 | push @listen_sockets, $http_port; |
112 | listen_on $http_port; |
52 | |
113 | |
53 | # the "main thread" |
114 | if ($SERVER_PORT2) { |
54 | async { |
115 | my $http_port = new Coro::Socket |
55 | slog 1, "accepting connections"; |
116 | LocalAddr => $SERVER_HOST, |
56 | while () { |
117 | LocalPort => $SERVER_PORT2, |
57 | $connections->down; |
118 | ReuseAddr => 1, |
58 | push @newcons, [$http_port->accept]; |
119 | Listen => 50, |
59 | #slog 3, "accepted @$connections ".scalar(@pool); |
120 | or die "unable to start server"; |
60 | $::NOW = time; |
|
|
61 | if (@pool) { |
|
|
62 | (pop @pool)->ready; |
|
|
63 | } else { |
|
|
64 | async \&handler; |
|
|
65 | } |
|
|
66 | |
121 | |
67 | } |
122 | listen_on $http_port; |
68 | }; |
123 | } |
69 | |
124 | |
70 | package conn; |
125 | package conn; |
71 | |
126 | |
72 | use Socket; |
127 | use Socket; |
73 | use HTTP::Date; |
128 | use HTTP::Date; |
… | |
… | |
76 | |
131 | |
77 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
132 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
78 | |
133 | |
79 | Event->io(fd => Linux::AIO::poll_fileno, |
134 | Event->io(fd => Linux::AIO::poll_fileno, |
80 | poll => 'r', async => 1, |
135 | poll => 'r', async => 1, |
81 | cb => \&Linux::AIO::poll_cb ); |
136 | cb => \&Linux::AIO::poll_cb); |
82 | |
137 | |
83 | Event->add_hooks(prepare => sub { |
|
|
84 | &Coro::cede; |
|
|
85 | }); |
|
|
86 | |
|
|
87 | our %conn; # $conn{ip}{fh} => connobj |
138 | our %conn; # $conn{ip}{self} => connobj |
|
|
139 | our %uri; # $uri{ip}{uri}{self} |
88 | our %blocked; |
140 | our %blocked; |
89 | our %mimetype; |
141 | our %mimetype; |
90 | |
142 | |
91 | sub read_mimetypes { |
143 | sub read_mimetypes { |
92 | local *M; |
144 | local *M; |
… | |
… | |
103 | |
155 | |
104 | read_mimetypes; |
156 | read_mimetypes; |
105 | |
157 | |
106 | sub new { |
158 | sub new { |
107 | my $class = shift; |
159 | my $class = shift; |
|
|
160 | my $fh = shift; |
108 | my $peername = shift; |
161 | my $peername = shift; |
109 | my $fh = shift; |
|
|
110 | my $self = bless { fh => $fh }, $class; |
162 | my $self = bless { fh => $fh }, $class; |
111 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
163 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
112 | or $self->err(500, "unable to decode peername"); |
164 | or $self->err(500, "unable to decode peername"); |
113 | |
165 | |
|
|
166 | $self->{remote_addr} = |
114 | $self->{remote_addr} = inet_ntoa $iaddr; |
167 | $self->{remote_id} = inet_ntoa $iaddr; |
|
|
168 | |
115 | $self->{time} = $::NOW; |
169 | $self->{time} = $::NOW; |
116 | |
170 | |
117 | # enter ourselves into various lists |
171 | weaken ($Coro::current->{conn} = $self); |
118 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
|
|
119 | |
172 | |
120 | $::conns++; |
173 | $::conns++; |
|
|
174 | $::maxconns = $::conns if $::conns > $::maxconns; |
121 | |
175 | |
122 | $self; |
176 | $self; |
123 | } |
177 | } |
124 | |
178 | |
125 | sub DESTROY { |
179 | sub DESTROY { |
126 | my $self = shift; |
180 | #my $self = shift; |
127 | |
|
|
128 | $::conns--; |
181 | $::conns--; |
129 | |
|
|
130 | delete $conn{$self->{remote_addr}}{$self*1}; |
|
|
131 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
|
|
132 | } |
182 | } |
133 | |
183 | |
134 | sub slog { |
184 | sub slog { |
135 | my $self = shift; |
185 | my $self = shift; |
136 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
186 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
137 | } |
187 | } |
138 | |
188 | |
139 | sub response { |
189 | sub response { |
140 | my ($self, $code, $msg, $hdr, $content) = @_; |
190 | my ($self, $code, $msg, $hdr, $content) = @_; |
141 | my $res = "HTTP/1.1 $code $msg\015\012"; |
191 | my $res = "HTTP/1.1 $code $msg\015\012"; |
|
|
192 | my $GZ = ""; |
142 | |
193 | |
143 | #$res .= "Connection: close\015\012"; |
194 | if (exists $hdr->{Connection}) { |
144 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
195 | if ($hdr->{Connection} =~ /close/) { |
|
|
196 | $self->{h}{connection} = "close" |
|
|
197 | } |
|
|
198 | } else { |
|
|
199 | if ($self->{version} < 1.1) { |
|
|
200 | if ($self->{h}{connection} =~ /keep-alive/i) { |
|
|
201 | $hdr->{Connection} = "Keep-Alive"; |
|
|
202 | } else { |
|
|
203 | $self->{h}{connection} = "close" |
|
|
204 | } |
|
|
205 | } |
|
|
206 | } |
|
|
207 | |
|
|
208 | if ($self->{method} ne "HEAD" |
|
|
209 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
|
|
210 | && $hdr->{"Content-Length"} == length $content |
|
|
211 | && !exists $hdr->{"Content-Encoding"} |
|
|
212 | ) { |
|
|
213 | my $orig = length $content; |
|
|
214 | $hdr->{"Content-Encoding"} = "gzip"; |
|
|
215 | $content = Compress::Zlib::memGzip(\$content); |
|
|
216 | $hdr->{"Content-Length"} = length $content; |
|
|
217 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
|
|
218 | } |
|
|
219 | |
|
|
220 | $res .= "Date: $HTTP_NOW\015\012"; |
145 | |
221 | |
146 | while (my ($h, $v) = each %$hdr) { |
222 | while (my ($h, $v) = each %$hdr) { |
147 | $res .= "$h: $v\015\012" |
223 | $res .= "$h: $v\015\012" |
148 | } |
224 | } |
149 | $res .= "\015\012"; |
225 | $res .= "\015\012"; |
150 | |
226 | |
151 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
227 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
152 | |
228 | |
153 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
229 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $NOW). |
|
|
230 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
|
|
231 | " \"$self->{h}{referer}\"\n"; |
|
|
232 | |
|
|
233 | print $accesslog $log if $accesslog; |
|
|
234 | print STDERR $log; |
154 | |
235 | |
155 | $self->{written} += |
236 | $self->{written} += |
156 | print {$self->{fh}} $res; |
237 | print {$self->{fh}} $res; |
157 | } |
238 | } |
158 | |
239 | |
159 | sub err { |
240 | sub err { |
160 | my $self = shift; |
241 | my $self = shift; |
161 | my ($code, $msg, $hdr, $content) = @_; |
242 | my ($code, $msg, $hdr, $content) = @_; |
162 | |
243 | |
163 | unless (defined $content) { |
244 | unless (defined $content) { |
164 | $content = "$code $msg"; |
245 | $content = "$code $msg\n"; |
165 | $hdr->{"Content-Type"} = "text/plain"; |
246 | $hdr->{"Content-Type"} = "text/plain"; |
166 | $hdr->{"Content-Length"} = length $content; |
247 | $hdr->{"Content-Length"} = length $content; |
167 | } |
248 | } |
168 | $hdr->{"Connection"} = "close"; |
249 | $hdr->{"Connection"} = "close"; |
169 | |
250 | |
170 | $self->response($code, $msg, $hdr, $content); |
251 | $self->response($code, $msg, $hdr, $content); |
171 | |
252 | |
172 | die bless {}, err::; |
253 | die bless {}, err::; |
173 | } |
254 | } |
174 | |
255 | |
175 | sub err_blocked { |
|
|
176 | my $self = shift; |
|
|
177 | my $ip = $self->{remote_addr}; |
|
|
178 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
|
|
179 | |
|
|
180 | Coro::Event::do_timer(after => 15); |
|
|
181 | |
|
|
182 | $self->err(401, "too many connections", |
|
|
183 | { |
|
|
184 | "Content-Type" => "text/html", |
|
|
185 | "Retry-After" => $::BLOCKTIME |
|
|
186 | }, |
|
|
187 | <<EOF); |
|
|
188 | <html><p> |
|
|
189 | You have been blocked because you opened too many connections. You |
|
|
190 | may retry at</p> |
|
|
191 | |
|
|
192 | <p><blockquote>$time.</blockquote></p> |
|
|
193 | |
|
|
194 | <p>Until then, each new access will renew the block. You might want to have a |
|
|
195 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
|
|
196 | </html> |
|
|
197 | EOF |
|
|
198 | } |
|
|
199 | |
|
|
200 | sub handle { |
256 | sub handle { |
201 | my $self = shift; |
257 | my $self = shift; |
202 | my $fh = $self->{fh}; |
258 | my $fh = $self->{fh}; |
|
|
259 | |
|
|
260 | my $host; |
203 | |
261 | |
204 | $fh->timeout($::REQ_TIMEOUT); |
262 | $fh->timeout($::REQ_TIMEOUT); |
205 | while() { |
263 | while() { |
206 | $self->{reqs}++; |
264 | $self->{reqs}++; |
207 | |
265 | |
… | |
… | |
217 | } |
275 | } |
218 | |
276 | |
219 | $self->{h} = {}; |
277 | $self->{h} = {}; |
220 | |
278 | |
221 | $fh->timeout($::RES_TIMEOUT); |
279 | $fh->timeout($::RES_TIMEOUT); |
222 | my $ip = $self->{remote_addr}; |
|
|
223 | |
|
|
224 | if ($blocked{$ip}) { |
|
|
225 | $self->err_blocked($blocked{$ip}) |
|
|
226 | if $blocked{$ip} > $::NOW; |
|
|
227 | |
|
|
228 | delete $blocked{$ip}; |
|
|
229 | } |
|
|
230 | |
|
|
231 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
232 | $self->slog(2, "blocked ip $ip"); |
|
|
233 | $self->err_blocked; |
|
|
234 | } |
|
|
235 | |
280 | |
236 | $req =~ /^(?:\015\012)? |
281 | $req =~ /^(?:\015\012)? |
237 | (GET|HEAD) \040+ |
282 | (GET|HEAD) \040+ |
238 | ([^\040]+) \040+ |
283 | ([^\040]+) \040+ |
239 | HTTP\/([0-9]+\.[0-9]+) |
284 | HTTP\/([0-9]+\.[0-9]+) |
… | |
… | |
242 | |
287 | |
243 | $self->{method} = $1; |
288 | $self->{method} = $1; |
244 | $self->{uri} = $2; |
289 | $self->{uri} = $2; |
245 | $self->{version} = $3; |
290 | $self->{version} = $3; |
246 | |
291 | |
247 | $3 eq "1.0" or $3 eq "1.1" |
292 | $3 =~ /^1\./ |
248 | or $self->err(506, "http protocol version $3 not supported"); |
293 | or $self->err(506, "http protocol version $3 not supported"); |
249 | |
294 | |
250 | # parse headers |
295 | # parse headers |
251 | { |
296 | { |
252 | my (%hdr, $h, $v); |
297 | my (%hdr, $h, $v); |
253 | |
298 | |
254 | $hdr{lc $1} .= ",$2" |
299 | $hdr{lc $1} .= ",$2" |
255 | while $req =~ /\G |
300 | while $req =~ /\G |
256 | ([^:\000-\040]+): |
301 | ([^:\000-\040]+): |
257 | [\008\040]* |
302 | [\010\040]* |
258 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
303 | ((?: [^\015\012]+ | \015\012[\010\040] )*) |
259 | \015\012 |
304 | \015\012 |
260 | /gxc; |
305 | /gxc; |
261 | |
306 | |
262 | $req =~ /\G\015\012$/ |
307 | $req =~ /\G\015\012$/ |
263 | or $self->err(400, "bad request"); |
308 | or $self->err(400, "bad request"); |
264 | |
309 | |
265 | $self->{h}{$h} = substr $v, 1 |
310 | $self->{h}{$h} = substr $v, 1 |
266 | while ($h, $v) = each %hdr; |
311 | while ($h, $v) = each %hdr; |
267 | } |
312 | } |
268 | |
313 | |
|
|
314 | # remote id should be unique per user |
|
|
315 | my $id = $self->{remote_addr}; |
|
|
316 | |
|
|
317 | if (exists $self->{h}{"client-ip"}) { |
|
|
318 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
319 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
320 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
321 | } |
|
|
322 | |
|
|
323 | $self->{remote_id} = $id; |
|
|
324 | |
|
|
325 | weaken (local $conn{$id}{$self*1} = $self); |
|
|
326 | |
|
|
327 | if ($blocked{$id}) { |
|
|
328 | $self->err_blocked |
|
|
329 | if $blocked{$id}[0] > $::NOW; |
|
|
330 | |
|
|
331 | delete $blocked{$id}; |
|
|
332 | } |
|
|
333 | |
|
|
334 | # find out server name and port |
|
|
335 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
|
|
336 | $host = $1; |
|
|
337 | } else { |
|
|
338 | $host = $self->{h}{host}; |
|
|
339 | } |
|
|
340 | |
|
|
341 | if (defined $host) { |
269 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
342 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
|
343 | } else { |
|
|
344 | ($self->{server_port}, $host) |
|
|
345 | = unpack_sockaddr_in $self->{fh}->sockname |
|
|
346 | or $self->err(500, "unable to get socket name"); |
|
|
347 | $host = inet_ntoa $host; |
|
|
348 | } |
270 | |
349 | |
|
|
350 | $self->{server_name} = $host; |
|
|
351 | |
271 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
352 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
272 | |
353 | |
|
|
354 | eval { |
273 | $self->map_uri; |
355 | $self->map_uri; |
274 | $self->respond; |
356 | $self->respond; |
|
|
357 | }; |
275 | |
358 | |
|
|
359 | die if $@ && !ref $@; |
|
|
360 | |
276 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
361 | last if $self->{h}{connection} =~ /close/i; |
277 | |
362 | |
278 | $self->slog(9, "persistant connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
363 | $httpevent->broadcast; |
|
|
364 | |
279 | $fh->timeout($::PER_TIMEOUT); |
365 | $fh->timeout($::PER_TIMEOUT); |
280 | } |
366 | } |
|
|
367 | } |
|
|
368 | |
|
|
369 | sub block { |
|
|
370 | my $self = shift; |
|
|
371 | |
|
|
372 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
373 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
374 | $self->err_blocked; |
281 | } |
375 | } |
282 | |
376 | |
283 | # uri => path mapping |
377 | # uri => path mapping |
284 | sub map_uri { |
378 | sub map_uri { |
285 | my $self = shift; |
379 | my $self = shift; |
286 | my $host = $self->{h}{host} || "default"; |
380 | my $host = $self->{server_name}; |
287 | my $uri = $self->{uri}; |
381 | my $uri = $self->{uri}; |
288 | |
382 | |
289 | # some massaging, also makes it more secure |
383 | # some massaging, also makes it more secure |
290 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
384 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
291 | $uri =~ s%//+%/%g; |
385 | $uri =~ s%//+%/%g; |
… | |
… | |
301 | $self->{path} = "$::DOCROOT/$host$uri"; |
395 | $self->{path} = "$::DOCROOT/$host$uri"; |
302 | |
396 | |
303 | $self->access_check; |
397 | $self->access_check; |
304 | } |
398 | } |
305 | |
399 | |
306 | sub server_address { |
|
|
307 | my $self = shift; |
|
|
308 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
309 | or $self->err(500, "unable to get socket name"); |
|
|
310 | ((inet_ntoa $iaddr), $port); |
|
|
311 | } |
|
|
312 | |
|
|
313 | sub server_host { |
|
|
314 | my $self = shift; |
|
|
315 | if (exists $self->{h}{host}) { |
|
|
316 | return $self->{h}{host}; |
|
|
317 | } else { |
|
|
318 | return (($self->server_address)[0]); |
|
|
319 | } |
|
|
320 | } |
|
|
321 | |
|
|
322 | sub server_hostport { |
|
|
323 | my $self = shift; |
|
|
324 | my ($host, $port); |
|
|
325 | if (exists $self->{h}{host}) { |
|
|
326 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
327 | } else { |
|
|
328 | ($host, $port) = $self->server_address; |
|
|
329 | } |
|
|
330 | $port = $port == 80 ? "" : ":$port"; |
|
|
331 | $host.$port; |
|
|
332 | } |
|
|
333 | |
|
|
334 | sub _cgi { |
400 | sub _cgi { |
335 | my $self = shift; |
401 | my $self = shift; |
336 | my $path = shift; |
402 | my $path = shift; |
337 | my $fh; |
403 | my $fh; |
338 | |
404 | |
339 | # no two-way xxx supported |
405 | # no two-way xxx supported |
340 | if (0 == fork) { |
406 | if (0 == fork) { |
341 | open STDOUT, ">&".fileno($self->{fh}); |
407 | open STDOUT, ">&".fileno($self->{fh}); |
342 | if (chdir $::DOCROOT) { |
408 | if (chdir $::DOCROOT) { |
343 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
409 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
344 | $ENV{HTTP_HOST} = $self->server_host; |
410 | $ENV{HTTP_HOST} = $self->{server_name}; |
345 | $ENV{HTTP_PORT} = $self->{server_host}; |
411 | $ENV{HTTP_PORT} = $self->{server_port}; |
346 | $ENV{SCRIPT_NAME} = $self->{name}; |
412 | $ENV{SCRIPT_NAME} = $self->{name}; |
347 | exec $path; |
413 | exec $path; |
348 | } |
414 | } |
349 | Coro::State::_exit(0); |
415 | Coro::State::_exit(0); |
350 | } else { |
416 | } else { |
|
|
417 | die; |
351 | } |
418 | } |
|
|
419 | } |
|
|
420 | |
|
|
421 | sub server_hostport { |
|
|
422 | $_[0]{server_port} == 80 |
|
|
423 | ? $_[0]{server_name} |
|
|
424 | : "$_[0]{server_name}:$_[0]{server_port}"; |
352 | } |
425 | } |
353 | |
426 | |
354 | sub respond { |
427 | sub respond { |
355 | my $self = shift; |
428 | my $self = shift; |
356 | my $path = $self->{path}; |
429 | my $path = $self->{path}; |
357 | |
430 | |
358 | stat $path |
431 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
359 | or $self->err(404, "not found"); |
432 | if ($::internal{$1}) { |
360 | |
433 | $::internal{$1}->($self); |
361 | $self->{stat} = [stat _]; |
|
|
362 | |
|
|
363 | # idiotic netscape sends idiotic headers AGAIN |
|
|
364 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
365 | ? str2time $1 : 0; |
|
|
366 | |
|
|
367 | if (-d _ && -r _) { |
|
|
368 | # directory |
|
|
369 | if ($path !~ /\/$/) { |
|
|
370 | # create a redirect to get the trailing "/" |
|
|
371 | my $host = $self->server_hostport; |
|
|
372 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
|
|
373 | } else { |
434 | } else { |
|
|
435 | $self->err(404, "not found"); |
|
|
436 | } |
|
|
437 | } else { |
|
|
438 | |
|
|
439 | stat $path |
|
|
440 | or $self->err(404, "not found"); |
|
|
441 | |
|
|
442 | $self->{stat} = [stat _]; |
|
|
443 | |
|
|
444 | # idiotic netscape sends idiotic headers AGAIN |
|
|
445 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
446 | ? str2time $1 : 0; |
|
|
447 | |
|
|
448 | if (-d _ && -r _) { |
|
|
449 | # directory |
|
|
450 | if ($path !~ /\/$/) { |
|
|
451 | # create a redirect to get the trailing "/" |
|
|
452 | # we don't try to avoid the :80 |
|
|
453 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
454 | } else { |
374 | $ims < $self->{stat}[9] |
455 | $ims < $self->{stat}[9] |
375 | or $self->err(304, "not modified"); |
456 | or $self->err(304, "not modified"); |
376 | |
457 | |
377 | if ($self->{method} eq "GET") { |
|
|
378 | if (-r "$path/index.html") { |
458 | if (-r "$path/index.html") { |
|
|
459 | # replace directory "size" by index.html filesize |
379 | $self->{path} .= "/index.html"; |
460 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
380 | $self->handle_file; |
461 | $self->handle_file($queue_index); |
381 | } else { |
462 | } else { |
382 | $self->handle_dir; |
463 | $self->handle_dir; |
383 | } |
464 | } |
384 | } |
465 | } |
385 | } |
|
|
386 | } elsif (-f _ && -r _) { |
466 | } elsif (-f _ && -r _) { |
387 | -x _ and $self->err(403, "forbidden"); |
467 | -x _ and $self->err(403, "forbidden"); |
|
|
468 | |
|
|
469 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
470 | my $timeout = $::NOW + 10; |
|
|
471 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
472 | if ($timeout < $::NOW) { |
|
|
473 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
474 | } else { |
|
|
475 | $httpevent->wait; |
|
|
476 | } |
|
|
477 | } |
|
|
478 | } |
|
|
479 | |
388 | $self->handle_file; |
480 | $self->handle_file($queue_file); |
389 | } else { |
481 | } else { |
390 | $self->err(404, "not found"); |
482 | $self->err(404, "not found"); |
|
|
483 | } |
391 | } |
484 | } |
392 | } |
485 | } |
393 | |
486 | |
394 | sub handle_dir { |
487 | sub handle_dir { |
395 | my $self = shift; |
488 | my $self = shift; |
… | |
… | |
397 | |
490 | |
398 | $self->response(200, "ok", |
491 | $self->response(200, "ok", |
399 | { |
492 | { |
400 | "Content-Type" => "text/html", |
493 | "Content-Type" => "text/html", |
401 | "Content-Length" => length $idx, |
494 | "Content-Length" => length $idx, |
|
|
495 | "Last-Modified" => time2str ($self->{stat}[9]), |
402 | }, |
496 | }, |
403 | $idx); |
497 | $idx); |
404 | } |
498 | } |
405 | |
499 | |
406 | sub handle_file { |
500 | sub handle_file { |
407 | my $self = shift; |
501 | my ($self, $queue) = @_; |
408 | my $length = -s _; |
502 | my $length = $self->{stat}[7]; |
409 | my $hdr = { |
503 | my $hdr = { |
410 | "Last-Modified" => time2str ((stat _)[9]), |
504 | "Last-Modified" => time2str ((stat _)[9]), |
411 | }; |
505 | }; |
412 | |
506 | |
413 | my @code = (200, "ok"); |
507 | my @code = (200, "ok"); |
… | |
… | |
421 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
515 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
422 | } else { |
516 | } else { |
423 | ($l, $h) = (0, $length - 1); |
517 | ($l, $h) = (0, $length - 1); |
424 | goto ignore; |
518 | goto ignore; |
425 | } |
519 | } |
426 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
520 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
427 | } |
521 | } |
428 | $hdr->{"Content-Range"} = "bytes */$length"; |
522 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
523 | $hdr->{"Content-Length"} = $length; |
429 | $self->err(416, "not satisfiable", $hdr); |
524 | $self->err(416, "not satisfiable", $hdr, ""); |
430 | |
525 | |
431 | satisfiable: |
526 | satisfiable: |
432 | # check for segmented downloads |
527 | # check for segmented downloads |
433 | if ($l && $::NO_SEGMENTED) { |
528 | if ($l && $::NO_SEGMENTED) { |
|
|
529 | my $timeout = $::NOW + 15; |
434 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
530 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
435 | Coro::Event::do_timer(after => 15); |
531 | if ($timeout <= $::NOW) { |
436 | |
532 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
437 | $self->err(400, "segmented downloads are not allowed"); |
533 | #$self->err_segmented_download; |
|
|
534 | } else { |
|
|
535 | $httpevent->wait; |
|
|
536 | } |
438 | } |
537 | } |
439 | } |
538 | } |
440 | |
539 | |
441 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
540 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
442 | @code = (206, "partial content"); |
541 | @code = (206, "partial content"); |
… | |
… | |
452 | $hdr->{"Content-Length"} = $length; |
551 | $hdr->{"Content-Length"} = $length; |
453 | |
552 | |
454 | $self->response(@code, $hdr, ""); |
553 | $self->response(@code, $hdr, ""); |
455 | |
554 | |
456 | if ($self->{method} eq "GET") { |
555 | if ($self->{method} eq "GET") { |
|
|
556 | $self->{time} = $::NOW; |
|
|
557 | |
|
|
558 | my $current = $Coro::current; |
|
|
559 | |
457 | my ($fh, $buf, $r); |
560 | my ($fh, $buf, $r); |
458 | my $current = $Coro::current; |
561 | |
459 | open $fh, "<", $self->{path} |
562 | open $fh, "<", $self->{path} |
460 | or die "$self->{path}: late open failure ($!)"; |
563 | or die "$self->{path}: late open failure ($!)"; |
461 | |
564 | |
462 | $h -= $l - 1; |
565 | $h -= $l - 1; |
463 | |
566 | |
|
|
567 | if (0) { # !AIO |
|
|
568 | if ($l) { |
|
|
569 | sysseek $fh, $l, 0; |
|
|
570 | } |
|
|
571 | } |
|
|
572 | |
|
|
573 | my $transfer = $queue->start_transfer($h); |
|
|
574 | my $locked; |
|
|
575 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
|
|
576 | |
464 | while ($h > 0) { |
577 | while ($h > 0) { |
465 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
578 | unless ($locked) { |
|
|
579 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
|
|
580 | $bufsize = $::BUFSIZE; |
|
|
581 | $self->{time} = $::NOW; |
|
|
582 | } |
|
|
583 | } |
|
|
584 | |
|
|
585 | if ($blocked{$self->{remote_id}}) { |
|
|
586 | $self->{h}{connection} = "close"; |
|
|
587 | die bless {}, err::; |
|
|
588 | } |
|
|
589 | |
|
|
590 | if (0) { # !AIO |
|
|
591 | sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
|
|
592 | or last; |
|
|
593 | } else { |
|
|
594 | aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
466 | $buf, 0, sub { |
595 | $buf, 0, sub { |
467 | $r = $_[0]; |
596 | $r = $_[0]; |
468 | $current->ready; |
597 | Coro::ready($current); |
469 | }); |
598 | }); |
470 | &Coro::schedule; |
599 | &Coro::schedule; |
471 | last unless $r; |
600 | last unless $r; |
472 | my $w = $self->{fh}->syswrite($buf) |
601 | } |
|
|
602 | my $w = syswrite $self->{fh}, $buf |
473 | or last; |
603 | or last; |
474 | $::written += $w; |
604 | $::written += $w; |
475 | $self->{written} += $w; |
605 | $self->{written} += $w; |
476 | $l += $r; |
606 | $l += $r; |
477 | } |
607 | } |
478 | } |
|
|
479 | |
608 | |
480 | close $fh; |
609 | close $fh; |
|
|
610 | } |
481 | } |
611 | } |
482 | |
612 | |
483 | 1; |
613 | 1; |