1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::EV; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
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5 | use Coro::Signal; |
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6 | use Coro::AIO (); |
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7 | |
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8 | use HTTP::Date; |
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9 | use POSIX (); |
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10 | |
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11 | use Compress::Zlib (); |
5 | |
12 | |
6 | no utf8; |
13 | no utf8; |
7 | use bytes; |
14 | use bytes; |
8 | |
15 | |
9 | # at least on my machine, this thingy serves files |
16 | # at least on my machine, this thingy serves files |
10 | # quite a bit faster than apache, ;) |
17 | # quite a bit faster than apache, ;) |
11 | # and quite a bit slower than thttpd :( |
18 | # and quite a bit slower than thttpd :( |
12 | |
19 | |
13 | my $port = new Coro::Socket |
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14 | LocalAddr => $SERVER_HOST, |
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15 | LocalPort => $SERVER_PORT, |
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16 | ReuseAddr => 1, |
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17 | Listen => 1, |
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18 | or die "unable to start server"; |
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19 | |
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20 | $SIG{PIPE} = 'IGNORE'; |
20 | $SIG{PIPE} = 'IGNORE'; |
21 | |
21 | |
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22 | our $accesslog; |
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23 | our $errorlog; |
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24 | |
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25 | our $NOW; |
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26 | our $HTTP_NOW; |
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27 | |
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28 | our $ERROR_LOG; |
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29 | our $ACCESS_LOG; |
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30 | |
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31 | our $update_time = EV::periodic 0, 1, undef, sub { |
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32 | $NOW = time; |
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33 | $HTTP_NOW = time2str $NOW; |
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34 | }; |
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35 | $update_time->invoke; |
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36 | |
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37 | if ($ERROR_LOG) { |
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38 | use IO::Handle; |
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39 | open $errorlog, ">>$ERROR_LOG" |
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40 | or die "$ERROR_LOG: $!"; |
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41 | $errorlog->autoflush(1); |
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42 | } |
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43 | |
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44 | if ($ACCESS_LOG) { |
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45 | use IO::Handle; |
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46 | open $accesslog, ">>$ACCESS_LOG" |
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47 | or die "$ACCESS_LOG: $!"; |
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48 | $accesslog->autoflush(1); |
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49 | } |
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50 | |
22 | sub slog { |
51 | sub slog { |
23 | my $level = shift; |
52 | my $level = shift; |
24 | my $format = shift; |
53 | my $format = shift; |
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54 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
25 | printf "---: $format\n", @_; |
55 | printf "$NOW: $format\n", @_; |
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56 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
26 | } |
57 | } |
27 | |
58 | |
28 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
59 | our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
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60 | our $httpevent = new Coro::Signal; |
29 | |
61 | |
30 | my @fh; |
62 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
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63 | our $queue_index = new transferqueue 10; |
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64 | |
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65 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
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66 | |
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67 | my $unused_bytes = 0; |
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68 | my $unused_last = time; |
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69 | |
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70 | sub unused_bandwidth { |
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71 | $unused_bytes += $_[0]; |
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72 | if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
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73 | $unused_last = $NOW; |
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74 | $unused_bytes = 0; |
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75 | $queue_file->force_wake_next; |
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76 | slog 1, "forced filetransfer due to unused bandwidth"; |
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77 | } |
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78 | } |
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79 | |
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80 | my @newcons; |
31 | my @pool; |
81 | my @pool; |
32 | |
82 | |
33 | # one "execution thread" |
83 | # one "execution thread" |
34 | sub handler { |
84 | sub handler { |
35 | while () { |
85 | while () { |
36 | my $fh = pop @fh; |
86 | if (@newcons) { |
37 | if ($fh) { |
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38 | eval { |
87 | eval { |
39 | conn->new($fh)->handle; |
88 | conn->new (@{pop @newcons})->handle; |
40 | }; |
89 | }; |
41 | close $fh; |
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42 | slog 1, "$@" if $@ && !ref $@; |
90 | slog 1, "$@" if $@ && !ref $@; |
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91 | |
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92 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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93 | |
43 | $connections->up; |
94 | $connections->up; |
44 | } else { |
95 | } else { |
45 | last if @pool >= $MAX_POOL; |
96 | last if @pool >= $MAX_POOL; |
46 | push @pool, $Coro::current; |
97 | push @pool, $Coro::current; |
47 | schedule; |
98 | schedule; |
48 | } |
99 | } |
49 | } |
100 | } |
50 | } |
101 | } |
51 | |
102 | |
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103 | sub listen_on { |
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104 | my $listen = $_[0]; |
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105 | |
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106 | push @listen_sockets, $listen; |
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107 | |
52 | # the "main thread" |
108 | # the "main thread" |
53 | async { |
109 | async { |
54 | slog 1, "accepting connections"; |
110 | slog 1, "accepting connections"; |
55 | while () { |
111 | while () { |
56 | $connections->down; |
112 | $connections->down; |
57 | push @fh, $port->accept; |
113 | push @newcons, [$listen->accept]; |
58 | #slog 3, "accepted @$connections ".scalar(@pool); |
114 | #slog 3, "accepted @$connections ".scalar(@pool); |
59 | if (@pool) { |
115 | if (@pool) { |
60 | (pop @pool)->ready; |
116 | (pop @pool)->ready; |
61 | } else { |
117 | } else { |
62 | async \&handler; |
118 | async \&handler; |
63 | } |
119 | } |
64 | |
120 | } |
65 | } |
121 | }; |
66 | }; |
122 | } |
67 | |
123 | |
68 | loop; |
124 | my $http_port = new Coro::Socket |
69 | print "ende\n";#d# |
125 | LocalAddr => $SERVER_HOST, |
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126 | LocalPort => $SERVER_PORT, |
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127 | ReuseAddr => 1, |
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128 | Listen => 50, |
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129 | or die "unable to start server"; |
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130 | |
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131 | listen_on $http_port; |
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132 | |
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133 | if ($SERVER_PORT2) { |
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134 | my $http_port = new Coro::Socket |
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135 | LocalAddr => $SERVER_HOST, |
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136 | LocalPort => $SERVER_PORT2, |
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137 | ReuseAddr => 1, |
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138 | Listen => 50, |
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139 | or die "unable to start server"; |
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140 | |
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141 | listen_on $http_port; |
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142 | } |
70 | |
143 | |
71 | package conn; |
144 | package conn; |
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145 | |
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146 | use strict; |
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147 | use bytes; |
72 | |
148 | |
73 | use Socket; |
149 | use Socket; |
74 | use HTTP::Date; |
150 | use HTTP::Date; |
75 | use Convert::Scalar 'weaken'; |
151 | use Convert::Scalar 'weaken'; |
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152 | use IO::AIO; |
76 | |
153 | |
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154 | IO::AIO::min_parallel $::AIO_PARALLEL; |
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155 | |
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156 | our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
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157 | |
77 | my %conn; # $conn{ip}{fh} => connobj |
158 | our %conn; # $conn{ip}{self} => connobj |
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159 | our %uri; # $uri{ip}{uri}{self} |
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160 | our %blocked; |
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161 | our %mimetype; |
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162 | |
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163 | sub read_mimetypes { |
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164 | if (open my $fh, "<mime_types") { |
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165 | while (<$fh>) { |
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166 | if (/^([^#]\S+)\t+(\S+)$/) { |
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167 | $mimetype{lc $1} = $2; |
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168 | } |
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169 | } |
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170 | } else { |
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171 | print "cannot open mime_types\n"; |
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172 | } |
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173 | } |
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174 | |
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175 | read_mimetypes; |
78 | |
176 | |
79 | sub new { |
177 | sub new { |
80 | my $class = shift; |
178 | my $class = shift; |
81 | my $fh = shift; |
179 | my $fh = shift; |
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180 | my $peername = shift; |
82 | my $self = bless { fh => $fh }, $class; |
181 | my $self = bless { fh => $fh }, $class; |
83 | my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername |
182 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
84 | or $self->err(500, "unable to get peername"); |
183 | or $self->err (500, "unable to decode peername"); |
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184 | |
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185 | $self->{remote_addr} = |
85 | $self->{remote_address} = inet_ntoa $iaddr; |
186 | $self->{remote_id} = inet_ntoa $iaddr; |
86 | |
187 | |
87 | # enter ourselves into various lists |
188 | $self->{time} = $::NOW; |
88 | weaken ($conn{$self->{remote_address}}{$self*1} = $self); |
189 | |
89 | print $self->{remote_address}.": ".($self*1)." > ".%{$conn{$self->{remote_address}}},"\n"; |
190 | weaken ($Coro::current->{conn} = $self); |
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191 | |
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192 | ++$::conns; |
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193 | $::maxconns = $::conns if $::conns > $::maxconns; |
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194 | |
90 | $self; |
195 | $self |
91 | } |
196 | } |
92 | |
197 | |
93 | sub DESTROY { |
198 | sub DESTROY { |
94 | my $self = shift; |
199 | my $self = shift; |
95 | delete $conn{$self->{remote_address}}{$self*1}; |
200 | |
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201 | --$::conns; |
96 | } |
202 | } |
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203 | |
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204 | sub prune_cache { |
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205 | my $hash = $_[0]; |
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206 | |
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207 | for (keys %$hash) { |
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208 | if (ref $hash->{$_} eq HASH::) { |
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209 | prune_cache($hash->{$_}); |
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210 | unless (scalar keys %{$hash->{$_}}) { |
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211 | delete $hash->{$_}; |
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212 | } |
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213 | } |
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214 | } |
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215 | } |
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216 | |
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217 | sub prune_caches { |
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218 | prune_cache \%conn; |
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219 | prune_cache \%uri; |
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220 | |
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221 | for (keys %blocked) { |
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222 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
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223 | } |
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224 | } |
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225 | |
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226 | our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches; |
97 | |
227 | |
98 | sub slog { |
228 | sub slog { |
99 | main::slog(@_); |
229 | my $self = shift; |
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230 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
100 | } |
231 | } |
101 | |
232 | |
102 | sub print_response { |
233 | sub response { |
103 | my ($self, $code, $msg, $hdr, $content) = @_; |
234 | my ($self, $code, $msg, $hdr, $content) = @_; |
104 | my $res = "HTTP/1.0 $code $msg\015\012"; |
235 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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236 | my $GZ = ""; |
105 | |
237 | |
106 | $hdr->{Date} = time2str time; # slow? nah. |
238 | if (exists $hdr->{Connection}) { |
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239 | if ($hdr->{Connection} =~ /close/) { |
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240 | $self->{h}{connection} = "close" |
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241 | } |
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242 | } else { |
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243 | if ($self->{version} < 1.1) { |
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244 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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245 | $hdr->{Connection} = "Keep-Alive"; |
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246 | } else { |
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247 | $self->{h}{connection} = "close" |
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248 | } |
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249 | } |
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250 | } |
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251 | |
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252 | if ($self->{method} ne "HEAD" |
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253 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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254 | && 400 < length $content |
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255 | && $hdr->{"Content-Length"} == length $content |
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256 | && !exists $hdr->{"Content-Encoding"} |
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257 | ) { |
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258 | my $orig = length $content; |
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259 | $hdr->{"Content-Encoding"} = "gzip"; |
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260 | $content = Compress::Zlib::memGzip(\$content); |
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261 | $hdr->{"Content-Length"} = length $content; |
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262 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
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263 | } |
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264 | |
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265 | $res .= "Date: $HTTP_NOW\015\012"; |
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266 | $res .= "Server: $::NAME\015\012"; |
107 | |
267 | |
108 | while (my ($h, $v) = each %$hdr) { |
268 | while (my ($h, $v) = each %$hdr) { |
109 | $res .= "$h: $v\015\012" |
269 | $res .= "$h: $v\015\012" |
110 | } |
270 | } |
111 | $res .= "\015\012$content" if defined $content; |
271 | $res .= "\015\012"; |
112 | |
272 | |
113 | print STDERR "$self->{remote_address} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n";#d# |
273 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
114 | |
274 | |
115 | print {$self->{fh}} $res; |
275 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
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276 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
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277 | " \"$self->{h}{referer}\"\n"; |
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278 | |
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279 | print $::accesslog $log if $::accesslog; |
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280 | print STDERR $log; |
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281 | |
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282 | $tbf_top->request(length $res, 1e6); |
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283 | $self->{written} += print {$self->{fh}} $res; |
116 | } |
284 | } |
117 | |
285 | |
118 | sub err { |
286 | sub err { |
119 | my $self = shift; |
287 | my $self = shift; |
120 | my ($code, $msg, $hdr, $content) = @_; |
288 | my ($code, $msg, $hdr, $content) = @_; |
121 | |
289 | |
122 | unless (defined $content) { |
290 | unless (defined $content) { |
123 | $content = "$code $msg"; |
291 | $content = "$code $msg\n"; |
124 | $hdr->{"Content-Type"} = "text/plain"; |
292 | $hdr->{"Content-Type"} = "text/plain"; |
125 | $hdr->{"Content-Length"} = length $content; |
293 | $hdr->{"Content-Length"} = length $content; |
126 | } |
294 | } |
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295 | $hdr->{"Connection"} = "close"; |
127 | |
296 | |
128 | $self->slog($msg) if $code; |
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129 | |
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130 | $self->print_response($code, $msg, $hdr, $content); |
297 | $self->response ($code, $msg, $hdr, $content); |
131 | |
298 | |
132 | die bless {}, err::; |
299 | die bless {}, err:: |
133 | } |
300 | } |
134 | |
301 | |
135 | sub handle { |
302 | sub handle { |
136 | my $self = shift; |
303 | my $self = shift; |
137 | my $fh = $self->{fh}; |
304 | my $fh = $self->{fh}; |
138 | |
305 | |
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306 | my $host; |
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307 | |
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308 | $fh->timeout($::REQ_TIMEOUT); |
139 | #while() { |
309 | while () { |
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310 | $self->{reqs}++; |
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311 | |
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312 | # read request and parse first line |
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313 | my $req = $fh->readline("\015\012\015\012"); |
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314 | |
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315 | unless (defined $req) { |
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316 | if (exists $self->{version}) { |
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317 | last; |
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318 | } else { |
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319 | $self->err(408, "request timeout"); |
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320 | } |
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321 | } |
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322 | |
140 | $self->{h} = {}; |
323 | $self->{h} = {}; |
141 | |
324 | |
142 | # read request and parse first line |
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143 | $fh->timeout($::REQ_TIMEOUT); |
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144 | my $req = $fh->readline("\015\012\015\012"); |
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145 | $fh->timeout($::RES_TIMEOUT); |
325 | $fh->timeout($::RES_TIMEOUT); |
146 | |
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147 | defined $req or |
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148 | $self->err(408, "request timeout"); |
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149 | |
326 | |
150 | $req =~ /^(?:\015\012)? |
327 | $req =~ /^(?:\015\012)? |
151 | (GET|HEAD) \040+ |
328 | (GET|HEAD) \040+ |
152 | ([^\040]+) \040+ |
329 | ([^\040]+) \040+ |
153 | HTTP\/([0-9]+\.[0-9]+) |
330 | HTTP\/([0-9]+\.[0-9]+) |
154 | \015\012/gx |
331 | \015\012/gx |
155 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
332 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
156 | |
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157 | $2 ne "1.0" |
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158 | or $self->err(506, "http protocol version not supported"); |
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159 | |
333 | |
160 | $self->{method} = $1; |
334 | $self->{method} = $1; |
161 | $self->{uri} = $2; |
335 | $self->{uri} = $2; |
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336 | $self->{version} = $3; |
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337 | |
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338 | $3 =~ /^1\./ |
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339 | or $self->err(506, "http protocol version $3 not supported"); |
162 | |
340 | |
163 | # parse headers |
341 | # parse headers |
164 | { |
342 | { |
165 | my (%hdr, $h, $v); |
343 | my (%hdr, $h, $v); |
166 | |
344 | |
167 | $hdr{lc $1} .= ",$2" |
345 | $hdr{lc $1} .= ",$2" |
168 | while $req =~ /\G |
346 | while $req =~ /\G |
169 | ([^:\000-\040]+): |
347 | ([^:\000-\040]+): |
170 | [\008\040]* |
348 | [\011\040]* |
171 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
349 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
172 | \015\012 |
350 | \015\012 |
173 | /gxc; |
351 | /gxc; |
174 | |
352 | |
175 | $req =~ /\G\015\012$/ |
353 | $req =~ /\G\015\012$/ |
176 | or $self->err(400, "bad request"); |
354 | or $self->err(400, "bad request"); |
177 | |
355 | |
178 | $self->{h}{$h} = substr $v, 1 |
356 | $self->{h}{$h} = substr $v, 1 |
179 | while ($h, $v) = each %hdr; |
357 | while ($h, $v) = each %hdr; |
180 | } |
358 | } |
181 | |
359 | |
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360 | # remote id should be unique per user |
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361 | my $id = $self->{remote_addr}; |
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362 | |
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363 | if (exists $self->{h}{"client-ip"}) { |
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364 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
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365 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
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366 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
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367 | } |
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368 | |
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369 | $self->{remote_id} = $id; |
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370 | |
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371 | weaken (local $conn{$id}{$self*1} = $self); |
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372 | |
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373 | if ($blocked{$id}) { |
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374 | $self->err_blocked |
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375 | if $blocked{$id}[0] > $::NOW; |
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376 | |
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377 | delete $blocked{$id}; |
|
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378 | } |
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379 | |
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380 | # find out server name and port |
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381 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
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382 | $host = $1; |
|
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383 | } else { |
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384 | $host = $self->{h}{host}; |
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385 | } |
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386 | |
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387 | if (defined $host) { |
182 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
388 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
|
389 | } else { |
|
|
390 | ($self->{server_port}, $host) |
|
|
391 | = unpack_sockaddr_in $self->{fh}->sockname |
|
|
392 | or $self->err(500, "unable to get socket name"); |
|
|
393 | $host = inet_ntoa $host; |
|
|
394 | } |
183 | |
395 | |
|
|
396 | $self->{server_name} = $host; |
|
|
397 | |
|
|
398 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
|
|
399 | |
|
|
400 | eval { |
184 | $self->map_uri; |
401 | $self->map_uri; |
185 | |
|
|
186 | Coro::Event::do_timer(after => 5); |
|
|
187 | |
|
|
188 | $self->respond; |
402 | $self->respond; |
|
|
403 | }; |
|
|
404 | |
|
|
405 | die if $@ && !ref $@; |
|
|
406 | |
|
|
407 | last if $self->{h}{connection} =~ /close/i; |
|
|
408 | |
|
|
409 | $httpevent->broadcast; |
|
|
410 | |
|
|
411 | $fh->timeout($::PER_TIMEOUT); |
189 | #} |
412 | } |
|
|
413 | } |
|
|
414 | |
|
|
415 | sub block { |
|
|
416 | my $self = shift; |
|
|
417 | |
|
|
418 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
419 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
420 | $self->err_blocked; |
190 | } |
421 | } |
191 | |
422 | |
192 | # uri => path mapping |
423 | # uri => path mapping |
193 | sub map_uri { |
424 | sub map_uri { |
194 | my $self = shift; |
425 | my $self = shift; |
195 | my $host = $self->{h}{host} || "default"; |
426 | my $host = $self->{server_name}; |
196 | my $uri = $self->{uri}; |
427 | my $uri = $self->{uri}; |
197 | |
428 | |
198 | # some massaging, also makes it more secure |
429 | # some massaging, also makes it more secure |
199 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
430 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
200 | $uri =~ s%//+%/%g; |
431 | $uri =~ s%//+%/%g; |
… | |
… | |
206 | |
437 | |
207 | $self->{name} = $uri; |
438 | $self->{name} = $uri; |
208 | |
439 | |
209 | # now do the path mapping |
440 | # now do the path mapping |
210 | $self->{path} = "$::DOCROOT/$host$uri"; |
441 | $self->{path} = "$::DOCROOT/$host$uri"; |
211 | } |
|
|
212 | |
442 | |
213 | sub server_address { |
443 | $self->access_check; |
214 | my $self = shift; |
|
|
215 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
216 | or $self->err(500, "unable to get socket name"); |
|
|
217 | ((inet_ntoa $iaddr), $port); |
|
|
218 | } |
|
|
219 | |
|
|
220 | sub server_host { |
|
|
221 | my $self = shift; |
|
|
222 | if (exists $self->{h}{host}) { |
|
|
223 | return $self->{h}{host}; |
|
|
224 | } else { |
|
|
225 | return (($self->server_address)[0]); |
|
|
226 | } |
|
|
227 | } |
|
|
228 | |
|
|
229 | sub server_hostport { |
|
|
230 | my $self = shift; |
|
|
231 | my ($host, $port); |
|
|
232 | if (exists $self->{h}{host}) { |
|
|
233 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
234 | } else { |
|
|
235 | ($host, $port) = $self->server_address; |
|
|
236 | } |
|
|
237 | $port = $port == 80 ? "" : ":$port"; |
|
|
238 | $host.$port; |
|
|
239 | } |
444 | } |
240 | |
445 | |
241 | sub _cgi { |
446 | sub _cgi { |
242 | my $self = shift; |
447 | my $self = shift; |
243 | my $path = shift; |
448 | my $path = shift; |
… | |
… | |
246 | # no two-way xxx supported |
451 | # no two-way xxx supported |
247 | if (0 == fork) { |
452 | if (0 == fork) { |
248 | open STDOUT, ">&".fileno($self->{fh}); |
453 | open STDOUT, ">&".fileno($self->{fh}); |
249 | if (chdir $::DOCROOT) { |
454 | if (chdir $::DOCROOT) { |
250 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
455 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
251 | $ENV{HTTP_HOST} = $self->server_host; |
456 | $ENV{HTTP_HOST} = $self->{server_name}; |
252 | $ENV{HTTP_PORT} = $self->{server_host}; |
457 | $ENV{HTTP_PORT} = $self->{server_port}; |
253 | $ENV{SCRIPT_NAME} = $self->{name}; |
458 | $ENV{SCRIPT_NAME} = $self->{name}; |
254 | exec $::INDEXPROG; |
459 | exec $path; |
255 | } |
460 | } |
256 | Coro::State::_exit(0); |
461 | Coro::State::_exit(0); |
257 | } else { |
462 | } else { |
|
|
463 | die; |
258 | } |
464 | } |
|
|
465 | } |
|
|
466 | |
|
|
467 | sub server_hostport { |
|
|
468 | $_[0]{server_port} == 80 |
|
|
469 | ? $_[0]{server_name} |
|
|
470 | : "$_[0]{server_name}:$_[0]{server_port}"; |
259 | } |
471 | } |
260 | |
472 | |
261 | sub respond { |
473 | sub respond { |
262 | my $self = shift; |
474 | my $self = shift; |
263 | my $path = $self->{path}; |
475 | my $path = $self->{path}; |
264 | |
476 | |
265 | stat $path |
477 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
266 | or $self->err(404, "not found"); |
478 | if ($::internal{$1}) { |
267 | |
479 | $::internal{$1}->($self); |
268 | # idiotic netscape sends idiotic headers AGAIN |
|
|
269 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
270 | ? str2time $1 : 0; |
|
|
271 | |
|
|
272 | if (-d _ && -r _) { |
|
|
273 | # directory |
|
|
274 | if ($path !~ /\/$/) { |
|
|
275 | # create a redirect to get the trailing "/" |
|
|
276 | my $host = $self->server_hostport; |
|
|
277 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
|
|
278 | } else { |
480 | } else { |
279 | $ims < (stat _)[9] |
481 | $self->err (404, "not found"); |
|
|
482 | } |
|
|
483 | } else { |
|
|
484 | |
|
|
485 | stat $path |
|
|
486 | or $self->err (404, "not found"); |
|
|
487 | |
|
|
488 | $self->{stat} = [stat _]; |
|
|
489 | |
|
|
490 | # idiotic netscape sends idiotic headers AGAIN |
|
|
491 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
492 | ? str2time $1 : 0; |
|
|
493 | |
|
|
494 | if (-d _ && -r _) { |
|
|
495 | # directory |
|
|
496 | if ($path !~ /\/$/) { |
|
|
497 | # create a redirect to get the trailing "/" |
|
|
498 | # we don't try to avoid the :80 |
|
|
499 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
500 | } else { |
|
|
501 | $ims < $self->{stat}[9] |
280 | or $self->err(304, "not modified"); |
502 | or $self->err (304, "not modified"); |
281 | |
503 | |
282 | if ($self->{method} eq "GET") { |
|
|
283 | if (-r "$path/index.html") { |
504 | if (-r "$path/index.html") { |
|
|
505 | # replace directory "size" by index.html filesize |
284 | $self->{path} .= "/index.html"; |
506 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
285 | $self->handle_file; |
507 | $self->handle_file ($queue_index, $tbf_top); |
286 | } else { |
508 | } else { |
287 | $self->handle_dir; |
509 | $self->handle_dir; |
288 | } |
510 | } |
289 | } |
511 | } |
290 | } |
|
|
291 | } elsif (-f _ && -r _) { |
512 | } elsif (-f _ && -r _) { |
292 | -x _ and $self->err(403, "forbidden"); |
513 | -x _ and $self->err (403, "forbidden"); |
293 | $self->handle_file; |
514 | |
|
|
515 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
516 | my $timeout = $::NOW + 10; |
|
|
517 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
518 | if ($timeout < $::NOW) { |
|
|
519 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
520 | } else { |
|
|
521 | $httpevent->wait; |
|
|
522 | } |
|
|
523 | } |
|
|
524 | } |
|
|
525 | |
|
|
526 | $self->handle_file ($queue_file, $tbf_top); |
294 | } else { |
527 | } else { |
295 | $self->err(404, "not found"); |
528 | $self->err (404, "not found"); |
|
|
529 | } |
296 | } |
530 | } |
297 | } |
531 | } |
298 | |
532 | |
299 | sub handle_dir { |
533 | sub handle_dir { |
300 | my $self = shift; |
534 | my $self = shift; |
301 | $self->_cgi($::INDEXPROG); |
535 | my $idx = $self->diridx; |
|
|
536 | |
|
|
537 | $self->response (200, "ok", |
|
|
538 | { |
|
|
539 | "Content-Type" => "text/html; charset=utf-8", |
|
|
540 | "Content-Length" => length $idx, |
|
|
541 | "Last-Modified" => time2str ($self->{stat}[9]), |
|
|
542 | }, |
|
|
543 | $idx); |
302 | } |
544 | } |
303 | |
545 | |
304 | sub handle_file { |
546 | sub handle_file { |
305 | my $self = shift; |
547 | my ($self, $queue, $tbf) = @_; |
306 | my $length = -s _; |
548 | my $length = $self->{stat}[7]; |
307 | my $hdr = { |
549 | my $hdr = { |
308 | "Last-Modified" => time2str ((stat _)[9]), |
550 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
551 | "Accept-Ranges" => "bytes", |
309 | }; |
552 | }; |
310 | |
553 | |
311 | my @code = (200, "ok"); |
554 | my @code = (200, "ok"); |
312 | my ($l, $h); |
555 | my ($l, $h); |
313 | |
556 | |
… | |
… | |
319 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
562 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
320 | } else { |
563 | } else { |
321 | ($l, $h) = (0, $length - 1); |
564 | ($l, $h) = (0, $length - 1); |
322 | goto ignore; |
565 | goto ignore; |
323 | } |
566 | } |
324 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
567 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
325 | } |
568 | } |
326 | $hdr->{"Content-Range"} = "bytes */$length"; |
569 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
570 | $hdr->{"Content-Length"} = $length; |
327 | $self->err(416, "not satisfiable", $hdr); |
571 | $self->err (416, "not satisfiable", $hdr, ""); |
328 | |
572 | |
329 | satisfiable: |
573 | satisfiable: |
|
|
574 | # check for segmented downloads |
|
|
575 | if ($l && $::NO_SEGMENTED) { |
|
|
576 | my $timeout = $::NOW + 15; |
|
|
577 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
|
|
578 | if ($timeout <= $::NOW) { |
|
|
579 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
|
|
580 | #$self->err_segmented_download; |
|
|
581 | } else { |
|
|
582 | $httpevent->wait; |
|
|
583 | } |
|
|
584 | } |
|
|
585 | } |
|
|
586 | |
330 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
587 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
331 | @code = (206, "partial content"); |
588 | @code = (206, "partial content"); |
332 | $length = $h - $l + 1; |
589 | $length = $h - $l + 1; |
333 | |
590 | |
334 | ignore: |
591 | ignore: |
335 | } else { |
592 | } else { |
336 | ($l, $h) = (0, $length - 1); |
593 | ($l, $h) = (0, $length - 1); |
337 | } |
594 | } |
338 | |
595 | |
339 | if ($self->{path} =~ /\.html$/) { |
596 | $self->{path} =~ /\.([^.]+)$/; |
340 | $hdr->{"Content-Type"} = "text/html"; |
|
|
341 | } else { |
|
|
342 | $hdr->{"Content-Type"} = "application/octet-stream"; |
597 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
343 | } |
|
|
344 | |
|
|
345 | $hdr->{"Content-Length"} = $length; |
598 | $hdr->{"Content-Length"} = $length; |
346 | |
599 | |
347 | $self->print_response(@code, $hdr, ""); |
600 | $self->response (@code, $hdr, ""); |
348 | |
601 | |
349 | if ($self->{method} eq "GET") { |
602 | if ($self->{method} eq "GET") { |
350 | my ($fh, $buf); |
603 | $self->{time} = $::NOW; |
|
|
604 | $self->{written} = 0; |
|
|
605 | |
351 | open $fh, "<", $self->{path} |
606 | open my $fh, "<", $self->{path} |
352 | or die "$self->{path}: late open failure ($!)"; |
607 | or die "$self->{path}: late open failure ($!)"; |
353 | |
608 | |
354 | if ($l) { |
|
|
355 | sysseek $fh, $l, 0 |
|
|
356 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
357 | } |
|
|
358 | |
|
|
359 | $h -= $l - 1; |
609 | $h -= $l - 1; |
360 | |
610 | |
|
|
611 | my $transfer = $queue->start_transfer ($h); |
|
|
612 | my $locked; |
|
|
613 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
|
|
614 | |
361 | while ($h > 0) { |
615 | while ($h > 0) { |
362 | $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; |
616 | unless ($locked) { |
363 | print {$self->{fh}} $buf |
617 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
|
|
618 | $bufsize = $::BUFSIZE; |
|
|
619 | $self->{time} = $::NOW; |
|
|
620 | $self->{written} = 0; |
|
|
621 | } |
|
|
622 | } |
|
|
623 | |
|
|
624 | if ($blocked{$self->{remote_id}}) { |
|
|
625 | $self->{h}{connection} = "close"; |
|
|
626 | die bless {}, err::; |
|
|
627 | } |
|
|
628 | |
|
|
629 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
364 | or last; |
630 | or last; |
365 | } |
|
|
366 | } |
|
|
367 | |
631 | |
|
|
632 | $tbf->request (length $buf); |
|
|
633 | my $w = syswrite $self->{fh}, $buf |
|
|
634 | or last; |
|
|
635 | $::written += $w; |
|
|
636 | $self->{written} += $w; |
|
|
637 | $l += $w; |
|
|
638 | } |
|
|
639 | |
368 | close $fh; |
640 | close $fh; |
|
|
641 | } |
369 | } |
642 | } |
370 | |
643 | |
371 | 1; |
644 | 1 |
|
|
645 | |