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 | |
5 | |
|
|
6 | use HTTP::Date; |
|
|
7 | |
6 | no utf8; |
8 | no utf8; |
7 | use bytes; |
9 | use bytes; |
8 | |
10 | |
9 | # at least on my machine, this thingy serves files |
11 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
12 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
13 | # and quite a bit slower than thttpd :( |
12 | |
14 | |
13 | $SIG{PIPE} = 'IGNORE'; |
15 | $SIG{PIPE} = 'IGNORE'; |
14 | |
16 | |
|
|
17 | our $accesslog; |
|
|
18 | |
|
|
19 | if ($ACCESS_LOG) { |
|
|
20 | use IO::Handle; |
|
|
21 | open $accesslog, ">>$ACCESS_LOG" |
|
|
22 | or die "$ACCESS_LOG: $!"; |
|
|
23 | $accesslog->autoflush(1); |
|
|
24 | } |
|
|
25 | |
15 | sub slog { |
26 | sub slog { |
16 | my $level = shift; |
27 | my $level = shift; |
17 | my $format = shift; |
28 | my $format = shift; |
18 | printf "---: $format\n", @_; |
29 | printf "---: $format\n", @_; |
19 | } |
30 | } |
20 | |
31 | |
21 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
32 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
|
|
33 | |
|
|
34 | our $wait_factor = 0.95; |
|
|
35 | |
|
|
36 | our @transfers = ( |
|
|
37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
|
|
38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
|
|
39 | ); |
22 | |
40 | |
23 | my @newcons; |
41 | my @newcons; |
24 | my @pool; |
42 | my @pool; |
25 | |
43 | |
26 | # one "execution thread" |
44 | # one "execution thread" |
… | |
… | |
43 | |
61 | |
44 | my $http_port = new Coro::Socket |
62 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
63 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
64 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
65 | ReuseAddr => 1, |
48 | Listen => 1, |
66 | Listen => 50, |
49 | or die "unable to start server"; |
67 | or die "unable to start server"; |
50 | |
68 | |
51 | push @listen_sockets, $http_port; |
69 | push @listen_sockets, $http_port; |
|
|
70 | |
|
|
71 | our $NOW; |
|
|
72 | our $HTTP_NOW; |
|
|
73 | |
|
|
74 | Event->timer(interval => 1, hard => 1, cb => sub { |
|
|
75 | $NOW = time; |
|
|
76 | $HTTP_NOW = time2str $NOW; |
|
|
77 | })->now; |
52 | |
78 | |
53 | # the "main thread" |
79 | # the "main thread" |
54 | async { |
80 | async { |
55 | slog 1, "accepting connections"; |
81 | slog 1, "accepting connections"; |
56 | while () { |
82 | while () { |
57 | $connections->down; |
83 | $connections->down; |
58 | push @newcons, [$http_port->accept]; |
84 | push @newcons, [$http_port->accept]; |
59 | #slog 3, "accepted @$connections ".scalar(@pool); |
85 | #slog 3, "accepted @$connections ".scalar(@pool); |
60 | $::NOW = time; |
|
|
61 | if (@pool) { |
86 | if (@pool) { |
62 | (pop @pool)->ready; |
87 | (pop @pool)->ready; |
63 | } else { |
88 | } else { |
64 | async \&handler; |
89 | async \&handler; |
65 | } |
90 | } |
… | |
… | |
70 | package conn; |
95 | package conn; |
71 | |
96 | |
72 | use Socket; |
97 | use Socket; |
73 | use HTTP::Date; |
98 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
99 | use Convert::Scalar 'weaken'; |
|
|
100 | use Linux::AIO; |
75 | |
101 | |
|
|
102 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
|
|
103 | |
|
|
104 | Event->io(fd => Linux::AIO::poll_fileno, |
|
|
105 | poll => 'r', async => 1, |
|
|
106 | cb => \&Linux::AIO::poll_cb); |
|
|
107 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
108 | our %conn; # $conn{ip}{self} => connobj |
|
|
109 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
110 | our %blocked; |
78 | our %mimetype; |
111 | our %mimetype; |
79 | |
112 | |
80 | sub read_mimetypes { |
113 | sub read_mimetypes { |
81 | local *M; |
114 | local *M; |
82 | if (open M, "<mimetypes") { |
115 | if (open M, "<mime_types") { |
83 | while (<M>) { |
116 | while (<M>) { |
84 | if (/^([^#]\S+)\t+(\S+)$/) { |
117 | if (/^([^#]\S+)\t+(\S+)$/) { |
85 | $mimetype{lc $1} = $2; |
118 | $mimetype{lc $1} = $2; |
86 | } |
119 | } |
87 | } |
120 | } |
88 | } else { |
121 | } else { |
89 | $self->slog(1, "cannot open mimetypes\n"); |
122 | print "cannot open mime_types\n"; |
90 | } |
123 | } |
91 | } |
124 | } |
|
|
125 | |
|
|
126 | read_mimetypes; |
92 | |
127 | |
93 | sub new { |
128 | sub new { |
94 | my $class = shift; |
129 | my $class = shift; |
95 | my $peername = shift; |
130 | my $peername = shift; |
96 | my $fh = shift; |
131 | my $fh = shift; |
97 | my $self = bless { fh => $fh }, $class; |
132 | my $self = bless { fh => $fh }, $class; |
98 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
133 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
99 | or $self->err(500, "unable to decode peername"); |
134 | or $self->err(500, "unable to decode peername"); |
100 | |
135 | |
101 | $self->{remote_addr} = inet_ntoa $iaddr; |
136 | $self->{remote_addr} = inet_ntoa $iaddr; |
|
|
137 | $self->{time} = $::NOW; |
102 | |
138 | |
103 | # enter ourselves into various lists |
139 | $::conns++; |
104 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
|
|
105 | |
140 | |
106 | $self; |
141 | $self; |
107 | } |
142 | } |
108 | |
143 | |
109 | sub DESTROY { |
144 | sub DESTROY { |
110 | my $self = shift; |
145 | my $self = shift; |
|
|
146 | |
|
|
147 | $::conns--; |
|
|
148 | |
|
|
149 | $self->eoconn; |
|
|
150 | } |
|
|
151 | |
|
|
152 | # end of connection |
|
|
153 | sub eoconn { |
|
|
154 | my $self = shift; |
|
|
155 | |
|
|
156 | # clean up hints |
111 | delete $conn{$self->{remote_addr}}{$self*1}; |
157 | delete $conn{$self->{remote_id}}{$self*1}; |
112 | delete $uri{$self->{uri}}{$self*1}; |
158 | delete $uri{$self->{remote_id}}{$self->{uri}}{$self*1}; |
113 | } |
159 | } |
114 | |
160 | |
115 | sub slog { |
161 | sub slog { |
116 | my $self = shift; |
162 | my $self = shift; |
117 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
163 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
118 | } |
164 | } |
119 | |
165 | |
120 | sub response { |
166 | sub response { |
121 | my ($self, $code, $msg, $hdr, $content) = @_; |
167 | my ($self, $code, $msg, $hdr, $content) = @_; |
122 | my $res = "HTTP/1.0 $code $msg\015\012"; |
168 | my $res = "HTTP/1.1 $code $msg\015\012"; |
123 | |
169 | |
124 | $res .= "Connection: close\015\012"; |
170 | $self->{h}{connection} ||= $hdr->{Connection}; |
125 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
171 | |
|
|
172 | $res .= "Date: $HTTP_NOW\015\012"; |
126 | |
173 | |
127 | while (my ($h, $v) = each %$hdr) { |
174 | while (my ($h, $v) = each %$hdr) { |
128 | $res .= "$h: $v\015\012" |
175 | $res .= "$h: $v\015\012" |
129 | } |
176 | } |
|
|
177 | $res .= "\015\012"; |
130 | |
178 | |
131 | $res .= "\015\012$content" if defined $content; |
179 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
132 | |
180 | |
133 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
181 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
134 | |
182 | |
|
|
183 | print $accesslog $log if $accesslog; |
|
|
184 | print STDERR $log; |
|
|
185 | |
|
|
186 | $self->{written} += |
135 | print {$self->{fh}} $res; |
187 | print {$self->{fh}} $res; |
136 | } |
188 | } |
137 | |
189 | |
138 | sub err { |
190 | sub err { |
139 | my $self = shift; |
191 | my $self = shift; |
140 | my ($code, $msg, $hdr, $content) = @_; |
192 | my ($code, $msg, $hdr, $content) = @_; |
141 | |
193 | |
142 | unless (defined $content) { |
194 | unless (defined $content) { |
143 | $content = "$code $msg"; |
195 | $content = "$code $msg\n"; |
144 | $hdr->{"Content-Type"} = "text/plain"; |
196 | $hdr->{"Content-Type"} = "text/plain"; |
145 | $hdr->{"Content-Length"} = length $content; |
197 | $hdr->{"Content-Length"} = length $content; |
146 | } |
198 | } |
|
|
199 | $hdr->{"Connection"} = "close"; |
147 | |
200 | |
148 | $self->response($code, $msg, $hdr, $content); |
201 | $self->response($code, $msg, $hdr, $content); |
149 | |
202 | |
150 | die bless {}, err::; |
203 | die bless {}, err::; |
151 | } |
204 | } |
152 | |
205 | |
153 | sub err_blocked { |
|
|
154 | my $self = shift; |
|
|
155 | my $ip = $self->{remote_addr}; |
|
|
156 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
|
|
157 | $self->err(403, "too many connections", |
|
|
158 | { |
|
|
159 | "Content-Type" => "text/html", |
|
|
160 | "Retry-After" => $::BLOCKTIME |
|
|
161 | }, |
|
|
162 | <<EOF); |
|
|
163 | <html><p> |
|
|
164 | You have been blocked because you opened too many connections. You |
|
|
165 | may retry at</p> |
|
|
166 | |
|
|
167 | <p><blockquote>$time.</blockquote></p> |
|
|
168 | |
|
|
169 | <p>Until then, each new access will renew the block. You might want to have a |
|
|
170 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
|
|
171 | </html> |
|
|
172 | EOF |
|
|
173 | } |
|
|
174 | |
|
|
175 | sub handle { |
206 | sub handle { |
176 | my $self = shift; |
207 | my $self = shift; |
177 | my $fh = $self->{fh}; |
208 | my $fh = $self->{fh}; |
178 | |
209 | |
|
|
210 | my $host; |
|
|
211 | |
|
|
212 | $fh->timeout($::REQ_TIMEOUT); |
179 | #while() { |
213 | while() { |
|
|
214 | $self->{reqs}++; |
|
|
215 | |
|
|
216 | # read request and parse first line |
|
|
217 | my $req = $fh->readline("\015\012\015\012"); |
|
|
218 | |
|
|
219 | unless (defined $req) { |
|
|
220 | if (exists $self->{version}) { |
|
|
221 | last; |
|
|
222 | } else { |
|
|
223 | $self->err(408, "request timeout"); |
|
|
224 | } |
|
|
225 | } |
|
|
226 | |
180 | $self->{h} = {}; |
227 | $self->{h} = {}; |
181 | |
228 | |
182 | # read request and parse first line |
|
|
183 | $fh->timeout($::REQ_TIMEOUT); |
|
|
184 | my $req = $fh->readline("\015\012\015\012"); |
|
|
185 | $fh->timeout($::RES_TIMEOUT); |
229 | $fh->timeout($::RES_TIMEOUT); |
186 | |
|
|
187 | defined $req or |
|
|
188 | $self->err(408, "request timeout"); |
|
|
189 | |
|
|
190 | my $ip = $self->{remote_addr}; |
|
|
191 | |
|
|
192 | if ($blocked{$ip}) { |
|
|
193 | $self->err_blocked($blocked{$ip}) |
|
|
194 | if $blocked{$ip} > $::NOW; |
|
|
195 | |
|
|
196 | delete $blocked{$ip}; |
|
|
197 | } |
|
|
198 | |
|
|
199 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
|
|
200 | $self->slog("blocked ip $ip"); |
|
|
201 | $self->err_blocked; |
|
|
202 | } |
|
|
203 | |
230 | |
204 | $req =~ /^(?:\015\012)? |
231 | $req =~ /^(?:\015\012)? |
205 | (GET|HEAD) \040+ |
232 | (GET|HEAD) \040+ |
206 | ([^\040]+) \040+ |
233 | ([^\040]+) \040+ |
207 | HTTP\/([0-9]+\.[0-9]+) |
234 | HTTP\/([0-9]+\.[0-9]+) |
208 | \015\012/gx |
235 | \015\012/gx |
209 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
236 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
210 | |
|
|
211 | $2 ne "1.0" |
|
|
212 | or $self->err(506, "http protocol version not supported"); |
|
|
213 | |
237 | |
214 | $self->{method} = $1; |
238 | $self->{method} = $1; |
215 | $self->{uri} = $2; |
239 | $self->{uri} = $2; |
|
|
240 | $self->{version} = $3; |
|
|
241 | |
|
|
242 | $3 =~ /^1\./ |
|
|
243 | or $self->err(506, "http protocol version $3 not supported"); |
216 | |
244 | |
217 | # parse headers |
245 | # parse headers |
218 | { |
246 | { |
219 | my (%hdr, $h, $v); |
247 | my (%hdr, $h, $v); |
220 | |
248 | |
… | |
… | |
231 | |
259 | |
232 | $self->{h}{$h} = substr $v, 1 |
260 | $self->{h}{$h} = substr $v, 1 |
233 | while ($h, $v) = each %hdr; |
261 | while ($h, $v) = each %hdr; |
234 | } |
262 | } |
235 | |
263 | |
|
|
264 | # remote id should be unique per user |
|
|
265 | my $id = $self->{remote_addr}; |
|
|
266 | |
|
|
267 | if (exists $self->{h}{"client-ip"}) { |
|
|
268 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
269 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
270 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
271 | } |
|
|
272 | |
|
|
273 | $self->{remote_id} = $id; |
|
|
274 | |
|
|
275 | if ($blocked{$id}) { |
|
|
276 | $self->err_blocked($blocked{$id}) |
|
|
277 | if $blocked{$id} > $::NOW; |
|
|
278 | |
|
|
279 | delete $blocked{$id}; |
|
|
280 | } |
|
|
281 | |
|
|
282 | if (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
283 | my $delay = $::PER_TIMEOUT + 15; |
|
|
284 | while (%{$conn{$id}} >= $::MAX_CONN_IP) { |
|
|
285 | if ($delay <= 0) { |
|
|
286 | $self->slog(2, "blocked ip $id"); |
|
|
287 | $self->err_blocked; |
|
|
288 | } else { |
|
|
289 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
|
290 | } |
|
|
291 | } |
|
|
292 | } |
|
|
293 | |
|
|
294 | # find out server name and port |
|
|
295 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
|
|
296 | $host = $1; |
|
|
297 | } else { |
|
|
298 | $host = $self->{h}{host}; |
|
|
299 | } |
|
|
300 | |
|
|
301 | if (defined $host) { |
236 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
302 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
|
303 | } else { |
|
|
304 | ($self->{server_port}, $host) |
|
|
305 | = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
306 | or $self->err(500, "unable to get socket name"); |
|
|
307 | $host = inet_ntoa $host; |
|
|
308 | } |
237 | |
309 | |
|
|
310 | $self->{server_name} = $host; |
|
|
311 | |
|
|
312 | # enter ourselves into various lists |
|
|
313 | weaken ($conn{$id}{$self*1} = $self); |
238 | weaken ($uri{$self->{uri}}{$self*1} = $self); |
314 | weaken ($uri{$id}{$self->{uri}}{$self*1} = $self); |
239 | |
315 | |
|
|
316 | eval { |
240 | $self->map_uri; |
317 | $self->map_uri; |
241 | $self->respond; |
318 | $self->respond; |
|
|
319 | }; |
|
|
320 | |
|
|
321 | $self->eoconn; |
|
|
322 | |
|
|
323 | die if $@ && !ref $@; |
|
|
324 | |
|
|
325 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
|
|
326 | |
|
|
327 | $fh->timeout($::PER_TIMEOUT); |
242 | #} |
328 | } |
243 | } |
329 | } |
244 | |
330 | |
245 | # uri => path mapping |
331 | # uri => path mapping |
246 | sub map_uri { |
332 | sub map_uri { |
247 | my $self = shift; |
333 | my $self = shift; |
248 | my $host = $self->{h}{host} || "default"; |
334 | my $host = $self->{server_name}; |
249 | my $uri = $self->{uri}; |
335 | my $uri = $self->{uri}; |
250 | |
336 | |
251 | # some massaging, also makes it more secure |
337 | # some massaging, also makes it more secure |
252 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
338 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
253 | $uri =~ s%//+%/%g; |
339 | $uri =~ s%//+%/%g; |
… | |
… | |
263 | $self->{path} = "$::DOCROOT/$host$uri"; |
349 | $self->{path} = "$::DOCROOT/$host$uri"; |
264 | |
350 | |
265 | $self->access_check; |
351 | $self->access_check; |
266 | } |
352 | } |
267 | |
353 | |
268 | sub server_address { |
|
|
269 | my $self = shift; |
|
|
270 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
271 | or $self->err(500, "unable to get socket name"); |
|
|
272 | ((inet_ntoa $iaddr), $port); |
|
|
273 | } |
|
|
274 | |
|
|
275 | sub server_host { |
|
|
276 | my $self = shift; |
|
|
277 | if (exists $self->{h}{host}) { |
|
|
278 | return $self->{h}{host}; |
|
|
279 | } else { |
|
|
280 | return (($self->server_address)[0]); |
|
|
281 | } |
|
|
282 | } |
|
|
283 | |
|
|
284 | sub server_hostport { |
|
|
285 | my $self = shift; |
|
|
286 | my ($host, $port); |
|
|
287 | if (exists $self->{h}{host}) { |
|
|
288 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
289 | } else { |
|
|
290 | ($host, $port) = $self->server_address; |
|
|
291 | } |
|
|
292 | $port = $port == 80 ? "" : ":$port"; |
|
|
293 | $host.$port; |
|
|
294 | } |
|
|
295 | |
|
|
296 | sub _cgi { |
354 | sub _cgi { |
297 | my $self = shift; |
355 | my $self = shift; |
298 | my $path = shift; |
356 | my $path = shift; |
299 | my $fh; |
357 | my $fh; |
300 | |
358 | |
301 | # no two-way xxx supported |
359 | # no two-way xxx supported |
302 | if (0 == fork) { |
360 | if (0 == fork) { |
303 | open STDOUT, ">&".fileno($self->{fh}); |
361 | open STDOUT, ">&".fileno($self->{fh}); |
304 | if (chdir $::DOCROOT) { |
362 | if (chdir $::DOCROOT) { |
305 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
363 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
306 | $ENV{HTTP_HOST} = $self->server_host; |
364 | $ENV{HTTP_HOST} = $self->{server_name}; |
307 | $ENV{HTTP_PORT} = $self->{server_host}; |
365 | $ENV{HTTP_PORT} = $self->{server_port}; |
308 | $ENV{SCRIPT_NAME} = $self->{name}; |
366 | $ENV{SCRIPT_NAME} = $self->{name}; |
309 | exec $::INDEXPROG; |
367 | exec $path; |
310 | } |
368 | } |
311 | Coro::State::_exit(0); |
369 | Coro::State::_exit(0); |
312 | } else { |
370 | } else { |
|
|
371 | die; |
313 | } |
372 | } |
|
|
373 | } |
|
|
374 | |
|
|
375 | sub server_hostport { |
|
|
376 | $_[0]{server_port} == 80 |
|
|
377 | ? $_[0]{server_name} |
|
|
378 | : "$_[0]{server_name}:$_[0]{server_port}"; |
314 | } |
379 | } |
315 | |
380 | |
316 | sub respond { |
381 | sub respond { |
317 | my $self = shift; |
382 | my $self = shift; |
318 | my $path = $self->{path}; |
383 | my $path = $self->{path}; |
319 | |
384 | |
320 | stat $path |
385 | stat $path |
321 | or $self->err(404, "not found"); |
386 | or $self->err(404, "not found"); |
|
|
387 | |
|
|
388 | $self->{stat} = [stat _]; |
322 | |
389 | |
323 | # idiotic netscape sends idiotic headers AGAIN |
390 | # idiotic netscape sends idiotic headers AGAIN |
324 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
391 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
325 | ? str2time $1 : 0; |
392 | ? str2time $1 : 0; |
326 | |
393 | |
327 | if (-d _ && -r _) { |
394 | if (-d _ && -r _) { |
328 | # directory |
395 | # directory |
329 | if ($path !~ /\/$/) { |
396 | if ($path !~ /\/$/) { |
330 | # create a redirect to get the trailing "/" |
397 | # create a redirect to get the trailing "/" |
331 | my $host = $self->server_hostport; |
398 | # we don't try to avoid the :80 |
332 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
399 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
333 | } else { |
400 | } else { |
334 | $ims < (stat _)[9] |
401 | $ims < $self->{stat}[9] |
335 | or $self->err(304, "not modified"); |
402 | or $self->err(304, "not modified"); |
336 | |
403 | |
337 | if ($self->{method} eq "GET") { |
|
|
338 | if (-r "$path/index.html") { |
404 | if (-r "$path/index.html") { |
339 | $self->{path} .= "/index.html"; |
405 | $self->{path} .= "/index.html"; |
340 | $self->handle_file; |
406 | $self->handle_file; |
341 | } else { |
407 | } else { |
342 | $self->handle_dir; |
408 | $self->handle_dir; |
343 | } |
|
|
344 | } |
409 | } |
345 | } |
410 | } |
346 | } elsif (-f _ && -r _) { |
411 | } elsif (-f _ && -r _) { |
347 | -x _ and $self->err(403, "forbidden"); |
412 | -x _ and $self->err(403, "forbidden"); |
348 | $self->handle_file; |
413 | $self->handle_file; |
… | |
… | |
351 | } |
416 | } |
352 | } |
417 | } |
353 | |
418 | |
354 | sub handle_dir { |
419 | sub handle_dir { |
355 | my $self = shift; |
420 | my $self = shift; |
356 | $self->_cgi($::INDEXPROG); |
421 | my $idx = $self->diridx; |
|
|
422 | |
|
|
423 | $self->response(200, "ok", |
|
|
424 | { |
|
|
425 | "Content-Type" => "text/html", |
|
|
426 | "Content-Length" => length $idx, |
|
|
427 | }, |
|
|
428 | $idx); |
357 | } |
429 | } |
358 | |
430 | |
359 | sub handle_file { |
431 | sub handle_file { |
360 | my $self = shift; |
432 | my $self = shift; |
361 | my $length = -s _; |
433 | my $length = $self->{stat}[7]; |
|
|
434 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
362 | my $hdr = { |
435 | my $hdr = { |
363 | "Last-Modified" => time2str ((stat _)[9]), |
436 | "Last-Modified" => time2str ((stat _)[9]), |
364 | }; |
437 | }; |
365 | |
438 | |
366 | my @code = (200, "ok"); |
439 | my @code = (200, "ok"); |
… | |
… | |
374 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
447 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
375 | } else { |
448 | } else { |
376 | ($l, $h) = (0, $length - 1); |
449 | ($l, $h) = (0, $length - 1); |
377 | goto ignore; |
450 | goto ignore; |
378 | } |
451 | } |
379 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
452 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
380 | } |
453 | } |
381 | $hdr->{"Content-Range"} = "bytes */$length"; |
454 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
455 | $hdr->{"Content-Length"} = $length; |
382 | $self->err(416, "not satisfiable", $hdr); |
456 | $self->err(416, "not satisfiable", $hdr, ""); |
383 | |
457 | |
384 | satisfiable: |
458 | satisfiable: |
385 | # check for segmented downloads |
459 | # check for segmented downloads |
386 | if ($l && $NO_SEGMENTED) { |
460 | if ($l && $::NO_SEGMENTED) { |
|
|
461 | my $delay = $::PER_TIMEOUT + 15; |
387 | if (%{$uri{$self->{uri}}} > 1) { |
462 | while (%{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
388 | $self->slog("segmented download refused\n"); |
463 | if ($delay <= 0) { |
389 | $self->err(400, "segmented downloads are not allowed"); |
464 | $self->err_segmented_download; |
|
|
465 | } else { |
|
|
466 | Coro::Event::do_timer(after => 4); $delay -= 4; |
|
|
467 | } |
390 | } |
468 | } |
391 | } |
469 | } |
392 | |
470 | |
393 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
471 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
394 | @code = (206, "partial content"); |
472 | @code = (206, "partial content"); |
… | |
… | |
404 | $hdr->{"Content-Length"} = $length; |
482 | $hdr->{"Content-Length"} = $length; |
405 | |
483 | |
406 | $self->response(@code, $hdr, ""); |
484 | $self->response(@code, $hdr, ""); |
407 | |
485 | |
408 | if ($self->{method} eq "GET") { |
486 | if ($self->{method} eq "GET") { |
|
|
487 | $self->{time} = $::NOW; |
|
|
488 | |
|
|
489 | my $fudge = $queue->[0]->waiters; |
|
|
490 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
491 | |
|
|
492 | $queue->[1] *= $fudge; |
|
|
493 | my $transfer = $queue->[0]->guard; |
|
|
494 | |
|
|
495 | if ($fudge != 1) { |
|
|
496 | $queue->[1] /= $fudge; |
|
|
497 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
498 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
499 | } |
|
|
500 | $self->{time} = $::NOW; |
|
|
501 | |
|
|
502 | $self->{fh}->writable or return; |
|
|
503 | |
409 | my ($fh, $buf); |
504 | my ($fh, $buf, $r); |
|
|
505 | my $current = $Coro::current; |
410 | open $fh, "<", $self->{path} |
506 | open $fh, "<", $self->{path} |
411 | or die "$self->{path}: late open failure ($!)"; |
507 | or die "$self->{path}: late open failure ($!)"; |
412 | |
508 | |
413 | if ($l) { |
|
|
414 | sysseek $fh, $l, 0 |
|
|
415 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
416 | } |
|
|
417 | |
|
|
418 | $h -= $l - 1; |
509 | $h -= $l - 1; |
419 | |
510 | |
|
|
511 | if (0) { |
|
|
512 | if ($l) { |
|
|
513 | sysseek $fh, $l, 0; |
|
|
514 | } |
|
|
515 | } |
|
|
516 | |
420 | while ($h > 0) { |
517 | while ($h > 0) { |
|
|
518 | if (0) { |
421 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
519 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
422 | $self->{fh}->syswrite($buf) |
520 | or last; |
|
|
521 | } else { |
|
|
522 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
523 | $buf, 0, sub { |
|
|
524 | $r = $_[0]; |
|
|
525 | Coro::ready($current); |
|
|
526 | }); |
|
|
527 | &Coro::schedule; |
|
|
528 | last unless $r; |
|
|
529 | } |
|
|
530 | my $w = syswrite $self->{fh}, $buf |
423 | or last; |
531 | or last; |
|
|
532 | $::written += $w; |
|
|
533 | $self->{written} += $w; |
|
|
534 | $l += $r; |
424 | } |
535 | } |
425 | } |
|
|
426 | |
536 | |
427 | close $fh; |
537 | close $fh; |
|
|
538 | } |
428 | } |
539 | } |
429 | |
540 | |
430 | 1; |
541 | 1; |