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 | |
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6 | use HTTP::Date; |
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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 | |
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17 | our $accesslog; |
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18 | |
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19 | if ($ACCESS_LOG) { |
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20 | use IO::Handle; |
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21 | open $accesslog, ">>$ACCESS_LOG" |
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22 | or die "$ACCESS_LOG: $!"; |
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23 | $accesslog->autoflush(1); |
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24 | } |
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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; |
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33 | |
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34 | our $wait_factor = 0.95; |
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35 | |
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36 | our @transfers = ( |
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37 | [(new Coro::Semaphore $MAX_TRANSFERS_SMALL || 50), 1], |
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38 | [(new Coro::Semaphore $MAX_TRANSFERS_LARGE || 50), 1], |
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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; |
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70 | |
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71 | our $NOW; |
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72 | our $HTTP_NOW; |
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73 | |
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74 | Event->timer(interval => 1, hard => 1, cb => sub { |
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75 | $NOW = time; |
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76 | $HTTP_NOW = time2str $NOW; |
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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; |
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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'; |
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100 | use Linux::AIO; |
75 | |
101 | |
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102 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
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103 | |
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104 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
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105 | |
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106 | Event->io(fd => Linux::AIO::poll_fileno, |
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107 | poll => 'r', async => 1, |
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108 | cb => \&Linux::AIO::poll_cb); |
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109 | |
76 | our %conn; # $conn{ip}{fh} => connobj |
110 | our %conn; # $conn{ip}{self} => connobj |
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111 | our %uri; # $uri{ip}{uri}{self} |
77 | our %blocked; |
112 | our %blocked; |
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113 | our %mimetype; |
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114 | |
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115 | sub read_mimetypes { |
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116 | local *M; |
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117 | if (open M, "<mime_types") { |
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118 | while (<M>) { |
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119 | if (/^([^#]\S+)\t+(\S+)$/) { |
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120 | $mimetype{lc $1} = $2; |
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121 | } |
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122 | } |
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123 | } else { |
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124 | print "cannot open mime_types\n"; |
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125 | } |
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126 | } |
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127 | |
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128 | read_mimetypes; |
78 | |
129 | |
79 | sub new { |
130 | sub new { |
80 | my $class = shift; |
131 | my $class = shift; |
81 | my $peername = shift; |
132 | my $peername = shift; |
82 | my $fh = shift; |
133 | my $fh = shift; |
83 | my $self = bless { fh => $fh }, $class; |
134 | my $self = bless { fh => $fh }, $class; |
84 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
135 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
85 | or $self->err(500, "unable to decode peername"); |
136 | or $self->err(500, "unable to decode peername"); |
86 | |
137 | |
87 | $self->{remote_addr} = inet_ntoa $iaddr; |
138 | $self->{remote_addr} = inet_ntoa $iaddr; |
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139 | $self->{time} = $::NOW; |
88 | |
140 | |
89 | # enter ourselves into various lists |
141 | # enter ourselves into various lists |
90 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
142 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
91 | |
143 | |
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144 | $::conns++; |
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145 | |
92 | $self; |
146 | $self; |
93 | } |
147 | } |
94 | |
148 | |
95 | sub DESTROY { |
149 | sub DESTROY { |
96 | my $self = shift; |
150 | my $self = shift; |
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151 | |
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152 | $::conns--; |
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153 | |
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154 | $self->eoconn; |
97 | delete $conn{$self->{remote_addr}}{$self*1}; |
155 | delete $conn{$self->{remote_addr}}{$self*1}; |
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156 | } |
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157 | |
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158 | # end of connection |
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159 | sub eoconn { |
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160 | my $self = shift; |
98 | delete $uri{$self->{uri}}{$self*1}; |
161 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
99 | } |
162 | } |
100 | |
163 | |
101 | sub slog { |
164 | sub slog { |
102 | my $self = shift; |
165 | my $self = shift; |
103 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
166 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
104 | } |
167 | } |
105 | |
168 | |
106 | sub response { |
169 | sub response { |
107 | my ($self, $code, $msg, $hdr, $content) = @_; |
170 | my ($self, $code, $msg, $hdr, $content) = @_; |
108 | my $res = "HTTP/1.0 $code $msg\015\012"; |
171 | my $res = "HTTP/1.1 $code $msg\015\012"; |
109 | |
172 | |
110 | $res .= "Connection: close\015\012"; |
173 | $self->{h}{connection} ||= $hdr->{Connection}; |
111 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
174 | |
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175 | $res .= "Date: $HTTP_NOW\015\012"; |
112 | |
176 | |
113 | while (my ($h, $v) = each %$hdr) { |
177 | while (my ($h, $v) = each %$hdr) { |
114 | $res .= "$h: $v\015\012" |
178 | $res .= "$h: $v\015\012" |
115 | } |
179 | } |
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180 | $res .= "\015\012"; |
116 | |
181 | |
117 | $res .= "\015\012$content" if defined $content; |
182 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
118 | |
183 | |
119 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
184 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
120 | |
185 | |
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186 | print $accesslog $log if $accesslog; |
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187 | print STDERR $log; |
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188 | |
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189 | $self->{written} += |
121 | print {$self->{fh}} $res; |
190 | print {$self->{fh}} $res; |
122 | } |
191 | } |
123 | |
192 | |
124 | sub err { |
193 | sub err { |
125 | my $self = shift; |
194 | my $self = shift; |
126 | my ($code, $msg, $hdr, $content) = @_; |
195 | my ($code, $msg, $hdr, $content) = @_; |
127 | |
196 | |
128 | unless (defined $content) { |
197 | unless (defined $content) { |
129 | $content = "$code $msg"; |
198 | $content = "$code $msg\n"; |
130 | $hdr->{"Content-Type"} = "text/plain"; |
199 | $hdr->{"Content-Type"} = "text/plain"; |
131 | $hdr->{"Content-Length"} = length $content; |
200 | $hdr->{"Content-Length"} = length $content; |
132 | } |
201 | } |
|
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202 | $hdr->{"Connection"} = "close"; |
133 | |
203 | |
134 | $self->response($code, $msg, $hdr, $content); |
204 | $self->response($code, $msg, $hdr, $content); |
135 | |
205 | |
136 | die bless {}, err::; |
206 | die bless {}, err::; |
137 | } |
207 | } |
138 | |
208 | |
139 | sub err_blocked { |
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140 | my $self = shift; |
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141 | my $ip = $self->{remote_addr}; |
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142 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
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143 | $self->err(403, "too many connections", |
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144 | { |
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145 | "Content-Type" => "text/html", |
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146 | "Retry-After" => $::BLOCKTIME |
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147 | }, |
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148 | <<EOF); |
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149 | <html><p> |
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150 | You have been blocked because you opened too many connections. You |
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151 | may retry at</p> |
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152 | |
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153 | <p><blockquote>$time.</blockquote></p> |
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154 | |
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155 | <p>Until then, each new access will renew the block. You might want to have a |
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156 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
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157 | </html> |
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158 | EOF |
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159 | } |
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160 | |
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161 | sub handle { |
209 | sub handle { |
162 | my $self = shift; |
210 | my $self = shift; |
163 | my $fh = $self->{fh}; |
211 | my $fh = $self->{fh}; |
164 | |
212 | |
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213 | my $host; |
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214 | |
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215 | $fh->timeout($::REQ_TIMEOUT); |
165 | #while() { |
216 | while() { |
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217 | $self->{reqs}++; |
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218 | |
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219 | # read request and parse first line |
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220 | my $req = $fh->readline("\015\012\015\012"); |
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221 | |
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222 | unless (defined $req) { |
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223 | if (exists $self->{version}) { |
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224 | last; |
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225 | } else { |
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226 | $self->err(408, "request timeout"); |
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227 | } |
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228 | } |
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229 | |
166 | $self->{h} = {}; |
230 | $self->{h} = {}; |
167 | |
231 | |
168 | # read request and parse first line |
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169 | $fh->timeout($::REQ_TIMEOUT); |
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170 | my $req = $fh->readline("\015\012\015\012"); |
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171 | $fh->timeout($::RES_TIMEOUT); |
232 | $fh->timeout($::RES_TIMEOUT); |
172 | |
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173 | defined $req or |
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174 | $self->err(408, "request timeout"); |
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175 | |
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176 | my $ip = $self->{remote_addr}; |
233 | my $ip = $self->{remote_addr}; |
177 | |
234 | |
178 | if ($blocked{$ip}) { |
235 | if ($blocked{$ip}) { |
179 | $self->err_blocked($blocked{$ip}) |
236 | $self->err_blocked($blocked{$ip}) |
180 | if $blocked{$ip} > $::NOW; |
237 | if $blocked{$ip} > $::NOW; |
181 | |
238 | |
182 | delete $blocked{$ip}; |
239 | delete $blocked{$ip}; |
183 | } |
240 | } |
184 | |
241 | |
185 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
242 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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243 | my $delay = 120; |
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244 | while (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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245 | if ($delay <= 0) { |
186 | $self->slog("blocked ip $ip"); |
246 | $self->slog(2, "blocked ip $ip"); |
187 | $self->err_blocked; |
247 | $self->err_blocked; |
|
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248 | } else { |
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249 | Coro::Event::do_timer(after => 3); |
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250 | $delay -= 3; |
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251 | } |
|
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252 | } |
188 | } |
253 | } |
189 | |
254 | |
190 | $req =~ /^(?:\015\012)? |
255 | $req =~ /^(?:\015\012)? |
191 | (GET|HEAD) \040+ |
256 | (GET|HEAD) \040+ |
192 | ([^\040]+) \040+ |
257 | ([^\040]+) \040+ |
193 | HTTP\/([0-9]+\.[0-9]+) |
258 | HTTP\/([0-9]+\.[0-9]+) |
194 | \015\012/gx |
259 | \015\012/gx |
195 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
260 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
196 | |
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197 | $2 ne "1.0" |
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198 | or $self->err(506, "http protocol version not supported"); |
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199 | |
261 | |
200 | $self->{method} = $1; |
262 | $self->{method} = $1; |
201 | $self->{uri} = $2; |
263 | $self->{uri} = $2; |
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264 | $self->{version} = $3; |
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265 | |
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266 | $3 =~ /^1\./ |
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267 | or $self->err(506, "http protocol version $3 not supported"); |
202 | |
268 | |
203 | # parse headers |
269 | # parse headers |
204 | { |
270 | { |
205 | my (%hdr, $h, $v); |
271 | my (%hdr, $h, $v); |
206 | |
272 | |
… | |
… | |
217 | |
283 | |
218 | $self->{h}{$h} = substr $v, 1 |
284 | $self->{h}{$h} = substr $v, 1 |
219 | while ($h, $v) = each %hdr; |
285 | while ($h, $v) = each %hdr; |
220 | } |
286 | } |
221 | |
287 | |
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288 | # find out server name and port |
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289 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
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290 | $host = $1; |
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291 | } else { |
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292 | $host = $self->{h}{host}; |
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293 | } |
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294 | |
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295 | if (defined $host) { |
222 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
296 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
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297 | } else { |
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298 | ($self->{server_port}, $host) |
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299 | = unpack_sockaddr_in $self->{fh}->getsockname |
|
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300 | or $self->err(500, "unable to get socket name"); |
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301 | $host = inet_ntoa $host; |
|
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302 | } |
223 | |
303 | |
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304 | $self->{server_name} = $host; |
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305 | |
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306 | # remote id should be unique per user |
|
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307 | $self->{remote_id} = $self->{remote_addr}; |
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308 | |
|
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309 | if (exists $self->{h}{"client-ip"}) { |
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310 | $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]"; |
|
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311 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
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312 | $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
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313 | } |
|
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314 | |
224 | weaken ($uri{$self->{uri}}{$self*1} = $self); |
315 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
225 | |
316 | |
|
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317 | eval { |
226 | $self->map_uri; |
318 | $self->map_uri; |
227 | $self->respond; |
319 | $self->respond; |
|
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320 | }; |
|
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321 | |
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322 | $self->eoconn; |
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323 | |
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324 | die if $@ && !ref $@; |
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325 | |
|
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326 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
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327 | |
|
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328 | $fh->timeout($::PER_TIMEOUT); |
228 | #} |
329 | } |
229 | } |
330 | } |
230 | |
331 | |
231 | # uri => path mapping |
332 | # uri => path mapping |
232 | sub map_uri { |
333 | sub map_uri { |
233 | my $self = shift; |
334 | my $self = shift; |
234 | my $host = $self->{h}{host} || "default"; |
335 | my $host = $self->{server_name}; |
235 | my $uri = $self->{uri}; |
336 | my $uri = $self->{uri}; |
236 | |
337 | |
237 | # some massaging, also makes it more secure |
338 | # some massaging, also makes it more secure |
238 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
339 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
239 | $uri =~ s%//+%/%g; |
340 | $uri =~ s%//+%/%g; |
… | |
… | |
249 | $self->{path} = "$::DOCROOT/$host$uri"; |
350 | $self->{path} = "$::DOCROOT/$host$uri"; |
250 | |
351 | |
251 | $self->access_check; |
352 | $self->access_check; |
252 | } |
353 | } |
253 | |
354 | |
254 | sub server_address { |
|
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255 | my $self = shift; |
|
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256 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
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257 | or $self->err(500, "unable to get socket name"); |
|
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258 | ((inet_ntoa $iaddr), $port); |
|
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259 | } |
|
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260 | |
|
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261 | sub server_host { |
|
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262 | my $self = shift; |
|
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263 | if (exists $self->{h}{host}) { |
|
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264 | return $self->{h}{host}; |
|
|
265 | } else { |
|
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266 | return (($self->server_address)[0]); |
|
|
267 | } |
|
|
268 | } |
|
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269 | |
|
|
270 | sub server_hostport { |
|
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271 | my $self = shift; |
|
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272 | my ($host, $port); |
|
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273 | if (exists $self->{h}{host}) { |
|
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274 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
275 | } else { |
|
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276 | ($host, $port) = $self->server_address; |
|
|
277 | } |
|
|
278 | $port = $port == 80 ? "" : ":$port"; |
|
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279 | $host.$port; |
|
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280 | } |
|
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281 | |
|
|
282 | sub _cgi { |
355 | sub _cgi { |
283 | my $self = shift; |
356 | my $self = shift; |
284 | my $path = shift; |
357 | my $path = shift; |
285 | my $fh; |
358 | my $fh; |
286 | |
359 | |
287 | # no two-way xxx supported |
360 | # no two-way xxx supported |
288 | if (0 == fork) { |
361 | if (0 == fork) { |
289 | open STDOUT, ">&".fileno($self->{fh}); |
362 | open STDOUT, ">&".fileno($self->{fh}); |
290 | if (chdir $::DOCROOT) { |
363 | if (chdir $::DOCROOT) { |
291 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
364 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
292 | $ENV{HTTP_HOST} = $self->server_host; |
365 | $ENV{HTTP_HOST} = $self->{server_name}; |
293 | $ENV{HTTP_PORT} = $self->{server_host}; |
366 | $ENV{HTTP_PORT} = $self->{server_port}; |
294 | $ENV{SCRIPT_NAME} = $self->{name}; |
367 | $ENV{SCRIPT_NAME} = $self->{name}; |
295 | exec $::INDEXPROG; |
368 | exec $path; |
296 | } |
369 | } |
297 | Coro::State::_exit(0); |
370 | Coro::State::_exit(0); |
298 | } else { |
371 | } else { |
|
|
372 | die; |
299 | } |
373 | } |
|
|
374 | } |
|
|
375 | |
|
|
376 | sub server_hostport { |
|
|
377 | $_[0]{server_port} == 80 |
|
|
378 | ? $_[0]{server_name} |
|
|
379 | : "$_[0]{server_name}:$_[0]{server_port}"; |
300 | } |
380 | } |
301 | |
381 | |
302 | sub respond { |
382 | sub respond { |
303 | my $self = shift; |
383 | my $self = shift; |
304 | my $path = $self->{path}; |
384 | my $path = $self->{path}; |
305 | |
385 | |
306 | stat $path |
386 | stat $path |
307 | or $self->err(404, "not found"); |
387 | or $self->err(404, "not found"); |
|
|
388 | |
|
|
389 | $self->{stat} = [stat _]; |
308 | |
390 | |
309 | # idiotic netscape sends idiotic headers AGAIN |
391 | # idiotic netscape sends idiotic headers AGAIN |
310 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
392 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
311 | ? str2time $1 : 0; |
393 | ? str2time $1 : 0; |
312 | |
394 | |
313 | if (-d _ && -r _) { |
395 | if (-d _ && -r _) { |
314 | # directory |
396 | # directory |
315 | if ($path !~ /\/$/) { |
397 | if ($path !~ /\/$/) { |
316 | # create a redirect to get the trailing "/" |
398 | # create a redirect to get the trailing "/" |
317 | my $host = $self->server_hostport; |
399 | # we don't try to avoid the :80 |
318 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
400 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
319 | } else { |
401 | } else { |
320 | $ims < (stat _)[9] |
402 | $ims < $self->{stat}[9] |
321 | or $self->err(304, "not modified"); |
403 | or $self->err(304, "not modified"); |
322 | |
404 | |
323 | if ($self->{method} eq "GET") { |
|
|
324 | if (-r "$path/index.html") { |
405 | if (-r "$path/index.html") { |
325 | $self->{path} .= "/index.html"; |
406 | $self->{path} .= "/index.html"; |
326 | $self->handle_file; |
407 | $self->handle_file; |
327 | } else { |
408 | } else { |
328 | $self->handle_dir; |
409 | $self->handle_dir; |
329 | } |
|
|
330 | } |
410 | } |
331 | } |
411 | } |
332 | } elsif (-f _ && -r _) { |
412 | } elsif (-f _ && -r _) { |
333 | -x _ and $self->err(403, "forbidden"); |
413 | -x _ and $self->err(403, "forbidden"); |
334 | $self->handle_file; |
414 | $self->handle_file; |
… | |
… | |
337 | } |
417 | } |
338 | } |
418 | } |
339 | |
419 | |
340 | sub handle_dir { |
420 | sub handle_dir { |
341 | my $self = shift; |
421 | my $self = shift; |
342 | $self->_cgi($::INDEXPROG); |
422 | my $idx = $self->diridx; |
|
|
423 | |
|
|
424 | $self->response(200, "ok", |
|
|
425 | { |
|
|
426 | "Content-Type" => "text/html", |
|
|
427 | "Content-Length" => length $idx, |
|
|
428 | }, |
|
|
429 | $idx); |
343 | } |
430 | } |
344 | |
431 | |
345 | sub handle_file { |
432 | sub handle_file { |
346 | my $self = shift; |
433 | my $self = shift; |
347 | my $length = -s _; |
434 | my $length = $self->{stat}[7]; |
|
|
435 | my $queue = $::transfers[$length >= $::TRANSFER_SMALL]; |
348 | my $hdr = { |
436 | my $hdr = { |
349 | "Last-Modified" => time2str ((stat _)[9]), |
437 | "Last-Modified" => time2str ((stat _)[9]), |
350 | }; |
438 | }; |
351 | |
439 | |
352 | my @code = (200, "ok"); |
440 | my @code = (200, "ok"); |
… | |
… | |
360 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
448 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
361 | } else { |
449 | } else { |
362 | ($l, $h) = (0, $length - 1); |
450 | ($l, $h) = (0, $length - 1); |
363 | goto ignore; |
451 | goto ignore; |
364 | } |
452 | } |
365 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
453 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
366 | } |
454 | } |
367 | $hdr->{"Content-Range"} = "bytes */$length"; |
455 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
456 | $hdr->{"Content-Length"} = $length; |
368 | $self->err(416, "not satisfiable", $hdr); |
457 | $self->err(416, "not satisfiable", $hdr, ""); |
369 | |
458 | |
370 | satisfiable: |
459 | satisfiable: |
371 | # check for segmented downloads |
460 | # check for segmented downloads |
372 | if ($l && $NO_SEGMENTED) { |
461 | if ($l && $::NO_SEGMENTED) { |
373 | if (%{$uri{$self->{uri}}} > 1) { |
462 | my $delay = 180; |
374 | $self->slog("segmented download refused\n"); |
463 | while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
375 | $self->err(400, "segmented downloads are not allowed"); |
464 | if ($delay <= 0) { |
|
|
465 | $self->err_segmented_download; |
|
|
466 | } else { |
|
|
467 | Coro::Event::do_timer(after => 3); $delay -= 3; |
|
|
468 | } |
376 | } |
469 | } |
377 | } |
470 | } |
378 | |
471 | |
379 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
472 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
380 | @code = (206, "partial content"); |
473 | @code = (206, "partial content"); |
… | |
… | |
383 | ignore: |
476 | ignore: |
384 | } else { |
477 | } else { |
385 | ($l, $h) = (0, $length - 1); |
478 | ($l, $h) = (0, $length - 1); |
386 | } |
479 | } |
387 | |
480 | |
388 | if ($self->{path} =~ /\.html$/) { |
481 | $self->{path} =~ /\.([^.]+)$/; |
389 | $hdr->{"Content-Type"} = "text/html"; |
|
|
390 | } else { |
|
|
391 | $hdr->{"Content-Type"} = "application/octet-stream"; |
482 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
392 | } |
|
|
393 | |
|
|
394 | $hdr->{"Content-Length"} = $length; |
483 | $hdr->{"Content-Length"} = $length; |
395 | |
484 | |
396 | $self->response(@code, $hdr, ""); |
485 | $self->response(@code, $hdr, ""); |
397 | |
486 | |
398 | if ($self->{method} eq "GET") { |
487 | if ($self->{method} eq "GET") { |
|
|
488 | $self->{time} = $::NOW; |
|
|
489 | |
|
|
490 | my $fudge = $queue->[0]->waiters; |
|
|
491 | $fudge = $fudge ? ($fudge+1)/$fudge : 1; |
|
|
492 | |
|
|
493 | $queue->[1] *= $fudge; |
|
|
494 | my $transfer = $queue->[0]->guard; |
|
|
495 | |
|
|
496 | if ($fudge != 1) { |
|
|
497 | $queue->[1] /= $fudge; |
|
|
498 | $queue->[1] = $queue->[1] * $::wait_factor |
|
|
499 | + ($::NOW - $self->{time}) * (1 - $::wait_factor); |
|
|
500 | } |
|
|
501 | $self->{time} = $::NOW; |
|
|
502 | |
|
|
503 | $self->{fh}->writable or return; |
|
|
504 | |
399 | my ($fh, $buf); |
505 | my ($fh, $buf, $r); |
|
|
506 | my $current = $Coro::current; |
400 | open $fh, "<", $self->{path} |
507 | open $fh, "<", $self->{path} |
401 | or die "$self->{path}: late open failure ($!)"; |
508 | or die "$self->{path}: late open failure ($!)"; |
402 | |
509 | |
403 | if ($l) { |
|
|
404 | sysseek $fh, $l, 0 |
|
|
405 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
406 | } |
|
|
407 | |
|
|
408 | $h -= $l - 1; |
510 | $h -= $l - 1; |
409 | |
511 | |
|
|
512 | if (0) { |
|
|
513 | if ($l) { |
|
|
514 | sysseek $fh, $l, 0; |
|
|
515 | } |
|
|
516 | } |
|
|
517 | |
410 | while ($h > 0) { |
518 | while ($h > 0) { |
|
|
519 | if (0) { |
411 | $h -= sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h; |
520 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
521 | or last; |
|
|
522 | } else { |
|
|
523 | undef $buf; |
|
|
524 | $aio_requests->down; |
|
|
525 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
526 | $buf, 0, sub { |
|
|
527 | $r = $_[0]; |
|
|
528 | $current->ready; |
|
|
529 | }); |
|
|
530 | &Coro::schedule; |
|
|
531 | $aio_requests->up; |
|
|
532 | last unless $r; |
|
|
533 | } |
412 | $self->{fh}->syswrite($buf) |
534 | my $w = $self->{fh}->syswrite($buf) |
413 | or last; |
535 | or last; |
|
|
536 | $::written += $w; |
|
|
537 | $self->{written} += $w; |
|
|
538 | $l += $r; |
414 | } |
539 | } |
415 | } |
|
|
416 | |
540 | |
417 | close $fh; |
541 | close $fh; |
418 | } |
|
|
419 | |
|
|
420 | sub access_check { |
|
|
421 | my $self = shift; |
|
|
422 | my $whois = ::ip_request($self->{remote_addr}); |
|
|
423 | |
|
|
424 | if ($whois =~ /^\*cy: (\S+)/m) { |
|
|
425 | $self->slog(9, "COUNTRY($1)"); |
|
|
426 | } else { |
|
|
427 | $self->slog(9, "no country($whois)"); |
|
|
428 | } |
542 | } |
429 | } |
543 | } |
430 | |
544 | |
431 | 1; |
545 | 1; |