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