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 | $SIG{PIPE} = 'IGNORE'; |
20 | $SIG{PIPE} = 'IGNORE'; |
14 | |
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 | |
15 | sub slog { |
51 | sub slog { |
16 | my $level = shift; |
52 | my $level = shift; |
17 | my $format = shift; |
53 | my $format = shift; |
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54 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
18 | printf "---: $format\n", @_; |
55 | printf "$NOW: $format\n", @_; |
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56 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
19 | } |
57 | } |
20 | |
58 | |
21 | 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; |
22 | |
61 | |
23 | my @newcons; |
62 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
24 | my @pool; |
63 | our $queue_index = new transferqueue 10; |
25 | |
64 | |
26 | # one "execution thread" |
65 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
27 | sub handler { |
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 | sub listen_on { |
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81 | my $listen = $_[0]; |
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82 | |
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83 | push @listen_sockets, $listen; |
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84 | |
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85 | # the "main thread" |
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86 | async { |
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87 | slog 1, "accepting connections"; |
28 | while () { |
88 | while () { |
29 | my $new = pop @newcons; |
89 | $connections->down; |
30 | if ($new) { |
90 | my @conn = $listen->accept; |
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91 | #slog 3, "accepted @$connections ".scalar(@pool); |
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92 | |
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93 | async_pool { |
31 | eval { |
94 | eval { |
32 | conn->new(@$new)->handle; |
95 | conn->new (@conn)->handle; |
33 | }; |
96 | }; |
34 | slog 1, "$@" if $@ && !ref $@; |
97 | slog 1, "$@" if $@ && !ref $@; |
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98 | |
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99 | $httpevent->broadcast; # only for testing, but doesn't matter much |
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100 | |
35 | $connections->up; |
101 | $connections->up; |
36 | } else { |
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37 | last if @pool >= $MAX_POOL; |
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38 | push @pool, $Coro::current; |
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39 | schedule; |
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40 | } |
102 | } |
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103 | } |
41 | } |
104 | }; |
42 | } |
105 | } |
43 | |
106 | |
44 | my $http_port = new Coro::Socket |
107 | my $http_port = new Coro::Socket |
45 | LocalAddr => $SERVER_HOST, |
108 | LocalAddr => $SERVER_HOST, |
46 | LocalPort => $SERVER_PORT, |
109 | LocalPort => $SERVER_PORT, |
47 | ReuseAddr => 1, |
110 | ReuseAddr => 1, |
48 | Listen => 50, |
111 | Listen => 50, |
49 | or die "unable to start server"; |
112 | or die "unable to start server"; |
50 | |
113 | |
51 | push @listen_sockets, $http_port; |
114 | listen_on $http_port; |
52 | |
115 | |
53 | # the "main thread" |
116 | if ($SERVER_PORT2) { |
54 | async { |
117 | my $http_port = new Coro::Socket |
55 | slog 1, "accepting connections"; |
118 | LocalAddr => $SERVER_HOST, |
56 | while () { |
119 | LocalPort => $SERVER_PORT2, |
57 | $connections->down; |
120 | ReuseAddr => 1, |
58 | push @newcons, [$http_port->accept]; |
121 | Listen => 50, |
59 | #slog 3, "accepted @$connections ".scalar(@pool); |
122 | or die "unable to start server"; |
60 | $::NOW = time; |
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61 | if (@pool) { |
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62 | (pop @pool)->ready; |
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63 | } else { |
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64 | async \&handler; |
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65 | } |
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66 | |
123 | |
67 | } |
124 | listen_on $http_port; |
68 | }; |
125 | } |
69 | |
126 | |
70 | package conn; |
127 | package conn; |
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128 | |
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129 | use strict; |
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130 | use bytes; |
71 | |
131 | |
72 | use Socket; |
132 | use Socket; |
73 | use HTTP::Date; |
133 | use HTTP::Date; |
74 | use Convert::Scalar 'weaken'; |
134 | use Convert::Scalar 'weaken'; |
75 | use Linux::AIO; |
135 | use IO::AIO; |
76 | |
136 | |
77 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
137 | IO::AIO::min_parallel $::AIO_PARALLEL; |
78 | |
138 | |
79 | Event->io(fd => Linux::AIO::poll_fileno, |
139 | our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
80 | poll => 'r', async => 1, |
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81 | cb => \&Linux::AIO::poll_cb); |
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82 | |
140 | |
83 | our %conn; # $conn{ip}{fh} => connobj |
141 | our %conn; # $conn{ip}{self} => connobj |
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142 | our %uri; # $uri{ip}{uri}{self} |
84 | our %blocked; |
143 | our %blocked; |
85 | our %mimetype; |
144 | our %mimetype; |
86 | |
145 | |
87 | sub read_mimetypes { |
146 | sub read_mimetypes { |
88 | local *M; |
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89 | if (open M, "<mime_types") { |
147 | if (open my $fh, "<mime_types") { |
90 | while (<M>) { |
148 | while (<$fh>) { |
91 | if (/^([^#]\S+)\t+(\S+)$/) { |
149 | if (/^([^#]\S+)\t+(\S+)$/) { |
92 | $mimetype{lc $1} = $2; |
150 | $mimetype{lc $1} = $2; |
93 | } |
151 | } |
94 | } |
152 | } |
95 | } else { |
153 | } else { |
… | |
… | |
99 | |
157 | |
100 | read_mimetypes; |
158 | read_mimetypes; |
101 | |
159 | |
102 | sub new { |
160 | sub new { |
103 | my $class = shift; |
161 | my $class = shift; |
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162 | my $fh = shift; |
104 | my $peername = shift; |
163 | my $peername = shift; |
105 | my $fh = shift; |
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106 | my $self = bless { fh => $fh }, $class; |
164 | my $self = bless { fh => $fh }, $class; |
107 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
165 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
108 | or $self->err(500, "unable to decode peername"); |
166 | or $self->err (500, "unable to decode peername"); |
109 | |
167 | |
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168 | $self->{remote_addr} = |
110 | $self->{remote_addr} = inet_ntoa $iaddr; |
169 | $self->{remote_id} = inet_ntoa $iaddr; |
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170 | |
111 | $self->{time} = $::NOW; |
171 | $self->{time} = $::NOW; |
112 | |
172 | |
113 | # enter ourselves into various lists |
173 | weaken ($Coro::current->{conn} = $self); |
114 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
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115 | |
174 | |
116 | $::conns++; |
175 | ++$::conns; |
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176 | $::maxconns = $::conns if $::conns > $::maxconns; |
117 | |
177 | |
118 | $self; |
178 | $self |
119 | } |
179 | } |
120 | |
180 | |
121 | sub DESTROY { |
181 | sub DESTROY { |
122 | my $self = shift; |
182 | my $self = shift; |
123 | |
183 | |
124 | $::conns--; |
184 | --$::conns; |
125 | |
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126 | $self->eoconn; |
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127 | delete $conn{$self->{remote_addr}}{$self*1}; |
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128 | } |
185 | } |
129 | |
186 | |
130 | # end of connection |
187 | sub prune_cache { |
131 | sub eoconn { |
188 | my $hash = $_[0]; |
132 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
189 | |
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190 | for (keys %$hash) { |
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191 | if (ref $hash->{$_} eq HASH::) { |
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192 | prune_cache($hash->{$_}); |
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193 | unless (scalar keys %{$hash->{$_}}) { |
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194 | delete $hash->{$_}; |
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195 | } |
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196 | } |
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197 | } |
133 | } |
198 | } |
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199 | |
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200 | sub prune_caches { |
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201 | prune_cache \%conn; |
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202 | prune_cache \%uri; |
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203 | |
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204 | for (keys %blocked) { |
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205 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
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206 | } |
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207 | } |
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208 | |
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209 | our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches; |
134 | |
210 | |
135 | sub slog { |
211 | sub slog { |
136 | my $self = shift; |
212 | my $self = shift; |
137 | main::slog($_[0], "$self->{remote_addr}> $_[1]"); |
213 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
138 | } |
214 | } |
139 | |
215 | |
140 | sub response { |
216 | sub response { |
141 | my ($self, $code, $msg, $hdr, $content) = @_; |
217 | my ($self, $code, $msg, $hdr, $content) = @_; |
142 | my $res = "HTTP/1.1 $code $msg\015\012"; |
218 | my $res = "HTTP/1.1 $code $msg\015\012"; |
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219 | my $GZ = ""; |
143 | |
220 | |
144 | #$res .= "Connection: close\015\012"; |
221 | if (exists $hdr->{Connection}) { |
145 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
222 | if ($hdr->{Connection} =~ /close/) { |
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223 | $self->{h}{connection} = "close" |
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224 | } |
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225 | } else { |
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226 | if ($self->{version} < 1.1) { |
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227 | if ($self->{h}{connection} =~ /keep-alive/i) { |
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228 | $hdr->{Connection} = "Keep-Alive"; |
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229 | } else { |
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230 | $self->{h}{connection} = "close" |
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231 | } |
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232 | } |
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233 | } |
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234 | |
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235 | if ($self->{method} ne "HEAD" |
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236 | && $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
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237 | && 400 < length $content |
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238 | && $hdr->{"Content-Length"} == length $content |
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239 | && !exists $hdr->{"Content-Encoding"} |
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240 | ) { |
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241 | my $orig = length $content; |
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242 | $hdr->{"Content-Encoding"} = "gzip"; |
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243 | $content = Compress::Zlib::memGzip(\$content); |
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244 | $hdr->{"Content-Length"} = length $content; |
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245 | $GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
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246 | } |
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247 | |
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248 | $res .= "Date: $HTTP_NOW\015\012"; |
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249 | $res .= "Server: $::NAME\015\012"; |
146 | |
250 | |
147 | while (my ($h, $v) = each %$hdr) { |
251 | while (my ($h, $v) = each %$hdr) { |
148 | $res .= "$h: $v\015\012" |
252 | $res .= "$h: $v\015\012" |
149 | } |
253 | } |
150 | $res .= "\015\012"; |
254 | $res .= "\015\012"; |
151 | |
255 | |
152 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
256 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
153 | |
257 | |
154 | print STDERR "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
258 | my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
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259 | " $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
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260 | " \"$self->{h}{referer}\"\n"; |
155 | |
261 | |
156 | $self->{written} += |
262 | print $::accesslog $log if $::accesslog; |
157 | print {$self->{fh}} $res; |
263 | print STDERR $log; |
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264 | |
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265 | $tbf_top->request(length $res, 1e6); |
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266 | $self->{written} += print {$self->{fh}} $res; |
158 | } |
267 | } |
159 | |
268 | |
160 | sub err { |
269 | sub err { |
161 | my $self = shift; |
270 | my $self = shift; |
162 | my ($code, $msg, $hdr, $content) = @_; |
271 | my ($code, $msg, $hdr, $content) = @_; |
163 | |
272 | |
164 | unless (defined $content) { |
273 | unless (defined $content) { |
165 | $content = "$code $msg"; |
274 | $content = "$code $msg\n"; |
166 | $hdr->{"Content-Type"} = "text/plain"; |
275 | $hdr->{"Content-Type"} = "text/plain"; |
167 | $hdr->{"Content-Length"} = length $content; |
276 | $hdr->{"Content-Length"} = length $content; |
168 | } |
277 | } |
169 | $hdr->{"Connection"} = "close"; |
278 | $hdr->{"Connection"} = "close"; |
170 | |
279 | |
171 | $self->response($code, $msg, $hdr, $content); |
280 | $self->response ($code, $msg, $hdr, $content); |
172 | |
281 | |
173 | die bless {}, err::; |
282 | die bless {}, err:: |
174 | } |
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175 | |
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176 | sub err_blocked { |
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177 | my $self = shift; |
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178 | my $ip = $self->{remote_addr}; |
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179 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
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180 | |
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181 | Coro::Event::do_timer(after => 20*rand); |
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182 | |
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183 | $self->err(401, "too many connections", |
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184 | { |
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185 | "Content-Type" => "text/html", |
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186 | "Retry-After" => $::BLOCKTIME, |
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187 | "Warning" => "Please do NOT retry, you have been blocked", |
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188 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
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189 | }, |
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190 | <<EOF); |
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191 | <html><p> |
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192 | You have been blocked because you opened too many connections. You |
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193 | may retry at</p> |
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194 | |
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195 | <p><blockquote>$time.</blockquote></p> |
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196 | |
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197 | <p>Until then, each new access will renew the block. You might want to have a |
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198 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html">FAQ</a>.</p> |
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199 | </html> |
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200 | EOF |
|
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201 | } |
283 | } |
202 | |
284 | |
203 | sub handle { |
285 | sub handle { |
204 | my $self = shift; |
286 | my $self = shift; |
205 | my $fh = $self->{fh}; |
287 | my $fh = $self->{fh}; |
206 | |
288 | |
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289 | my $host; |
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290 | |
207 | $fh->timeout($::REQ_TIMEOUT); |
291 | $fh->timeout($::REQ_TIMEOUT); |
208 | while() { |
292 | while () { |
209 | $self->{reqs}++; |
293 | $self->{reqs}++; |
210 | |
294 | |
211 | # read request and parse first line |
295 | # read request and parse first line |
212 | my $req = $fh->readline("\015\012\015\012"); |
296 | my $req = $fh->readline("\015\012\015\012"); |
213 | |
297 | |
… | |
… | |
220 | } |
304 | } |
221 | |
305 | |
222 | $self->{h} = {}; |
306 | $self->{h} = {}; |
223 | |
307 | |
224 | $fh->timeout($::RES_TIMEOUT); |
308 | $fh->timeout($::RES_TIMEOUT); |
225 | my $ip = $self->{remote_addr}; |
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226 | |
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227 | if ($blocked{$ip}) { |
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228 | $self->err_blocked($blocked{$ip}) |
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229 | if $blocked{$ip} > $::NOW; |
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230 | |
|
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231 | delete $blocked{$ip}; |
|
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232 | } |
|
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233 | |
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234 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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235 | $self->slog(2, "blocked ip $ip"); |
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236 | $self->err_blocked; |
|
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237 | } |
|
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238 | |
309 | |
239 | $req =~ /^(?:\015\012)? |
310 | $req =~ /^(?:\015\012)? |
240 | (GET|HEAD) \040+ |
311 | (GET|HEAD) \040+ |
241 | ([^\040]+) \040+ |
312 | ([^\040]+) \040+ |
242 | HTTP\/([0-9]+\.[0-9]+) |
313 | HTTP\/([0-9]+\.[0-9]+) |
… | |
… | |
255 | my (%hdr, $h, $v); |
326 | my (%hdr, $h, $v); |
256 | |
327 | |
257 | $hdr{lc $1} .= ",$2" |
328 | $hdr{lc $1} .= ",$2" |
258 | while $req =~ /\G |
329 | while $req =~ /\G |
259 | ([^:\000-\040]+): |
330 | ([^:\000-\040]+): |
260 | [\008\040]* |
331 | [\011\040]* |
261 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
332 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
262 | \015\012 |
333 | \015\012 |
263 | /gxc; |
334 | /gxc; |
264 | |
335 | |
265 | $req =~ /\G\015\012$/ |
336 | $req =~ /\G\015\012$/ |
266 | or $self->err(400, "bad request"); |
337 | or $self->err(400, "bad request"); |
267 | |
338 | |
268 | $self->{h}{$h} = substr $v, 1 |
339 | $self->{h}{$h} = substr $v, 1 |
269 | while ($h, $v) = each %hdr; |
340 | while ($h, $v) = each %hdr; |
270 | } |
341 | } |
271 | |
342 | |
|
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343 | # remote id should be unique per user |
|
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344 | my $id = $self->{remote_addr}; |
|
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345 | |
|
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346 | if (exists $self->{h}{"client-ip"}) { |
|
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347 | $id .= "[".$self->{h}{"client-ip"}."]"; |
|
|
348 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
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349 | $id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
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350 | } |
|
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351 | |
|
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352 | $self->{remote_id} = $id; |
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353 | |
|
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354 | weaken (local $conn{$id}{$self*1} = $self); |
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355 | |
|
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356 | if ($blocked{$id}) { |
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357 | $self->err_blocked |
|
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358 | if $blocked{$id}[0] > $::NOW; |
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|
359 | |
|
|
360 | delete $blocked{$id}; |
|
|
361 | } |
|
|
362 | |
|
|
363 | # find out server name and port |
|
|
364 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
|
|
365 | $host = $1; |
|
|
366 | } else { |
|
|
367 | $host = $self->{h}{host}; |
|
|
368 | } |
|
|
369 | |
|
|
370 | if (defined $host) { |
272 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
371 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
|
|
372 | } else { |
|
|
373 | ($self->{server_port}, $host) |
|
|
374 | = unpack_sockaddr_in $self->{fh}->sockname |
|
|
375 | or $self->err(500, "unable to get socket name"); |
|
|
376 | $host = inet_ntoa $host; |
|
|
377 | } |
273 | |
378 | |
|
|
379 | $self->{server_name} = $host; |
|
|
380 | |
274 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
381 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
275 | |
382 | |
276 | eval { |
383 | eval { |
277 | $self->map_uri; |
384 | $self->map_uri; |
278 | $self->respond; |
385 | $self->respond; |
279 | }; |
386 | }; |
280 | |
387 | |
281 | die if $@ && !ref $@; |
388 | die if $@ && !ref $@; |
282 | |
389 | |
283 | $self->eoconn; |
|
|
284 | |
|
|
285 | last if $self->{h}{connection} =~ /close/ || $self->{version} lt "1.1"; |
390 | last if $self->{h}{connection} =~ /close/i; |
286 | |
391 | |
287 | $self->slog(9, "persistent connection [".$self->{h}{"user-agent"}."][$self->{reqs}]"); |
392 | $httpevent->broadcast; |
|
|
393 | |
288 | $fh->timeout($::PER_TIMEOUT); |
394 | $fh->timeout($::PER_TIMEOUT); |
289 | } |
395 | } |
|
|
396 | } |
|
|
397 | |
|
|
398 | sub block { |
|
|
399 | my $self = shift; |
|
|
400 | |
|
|
401 | $blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
|
|
402 | $self->slog(2, "blocked ip $self->{remote_id}"); |
|
|
403 | $self->err_blocked; |
290 | } |
404 | } |
291 | |
405 | |
292 | # uri => path mapping |
406 | # uri => path mapping |
293 | sub map_uri { |
407 | sub map_uri { |
294 | my $self = shift; |
408 | my $self = shift; |
295 | my $host = $self->{h}{host} || "default"; |
409 | my $host = $self->{server_name}; |
296 | my $uri = $self->{uri}; |
410 | my $uri = $self->{uri}; |
|
|
411 | |
|
|
412 | $host =~ /[\/\\]/ |
|
|
413 | and $self->err(400, "bad request"); |
297 | |
414 | |
298 | # some massaging, also makes it more secure |
415 | # some massaging, also makes it more secure |
299 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
416 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
300 | $uri =~ s%//+%/%g; |
417 | $uri =~ s%//+%/%g; |
301 | $uri =~ s%/\.(?=/|$)%%g; |
418 | $uri =~ s%/\.(?=/|$)%%g; |
… | |
… | |
310 | $self->{path} = "$::DOCROOT/$host$uri"; |
427 | $self->{path} = "$::DOCROOT/$host$uri"; |
311 | |
428 | |
312 | $self->access_check; |
429 | $self->access_check; |
313 | } |
430 | } |
314 | |
431 | |
315 | sub server_address { |
|
|
316 | my $self = shift; |
|
|
317 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
|
|
318 | or $self->err(500, "unable to get socket name"); |
|
|
319 | ((inet_ntoa $iaddr), $port); |
|
|
320 | } |
|
|
321 | |
|
|
322 | sub server_host { |
|
|
323 | my $self = shift; |
|
|
324 | if (exists $self->{h}{host}) { |
|
|
325 | return $self->{h}{host}; |
|
|
326 | } else { |
|
|
327 | return (($self->server_address)[0]); |
|
|
328 | } |
|
|
329 | } |
|
|
330 | |
|
|
331 | sub server_hostport { |
|
|
332 | my $self = shift; |
|
|
333 | my ($host, $port); |
|
|
334 | if (exists $self->{h}{host}) { |
|
|
335 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
|
|
336 | } else { |
|
|
337 | ($host, $port) = $self->server_address; |
|
|
338 | } |
|
|
339 | $port = $port == 80 ? "" : ":$port"; |
|
|
340 | $host.$port; |
|
|
341 | } |
|
|
342 | |
|
|
343 | sub _cgi { |
432 | sub _cgi { |
344 | my $self = shift; |
433 | my $self = shift; |
345 | my $path = shift; |
434 | my $path = shift; |
346 | my $fh; |
435 | my $fh; |
347 | |
436 | |
348 | # no two-way xxx supported |
437 | # no two-way xxx supported |
349 | if (0 == fork) { |
438 | if (0 == fork) { |
350 | open STDOUT, ">&".fileno($self->{fh}); |
439 | open STDOUT, ">&".fileno($self->{fh}); |
351 | if (chdir $::DOCROOT) { |
440 | if (chdir $::DOCROOT) { |
352 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
441 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
353 | $ENV{HTTP_HOST} = $self->server_host; |
442 | $ENV{HTTP_HOST} = $self->{server_name}; |
354 | $ENV{HTTP_PORT} = $self->{server_host}; |
443 | $ENV{HTTP_PORT} = $self->{server_port}; |
355 | $ENV{SCRIPT_NAME} = $self->{name}; |
444 | $ENV{SCRIPT_NAME} = $self->{name}; |
356 | exec $path; |
445 | exec $path; |
357 | } |
446 | } |
358 | Coro::State::_exit(0); |
447 | Coro::State::_exit(0); |
359 | } else { |
448 | } else { |
|
|
449 | die; |
360 | } |
450 | } |
|
|
451 | } |
|
|
452 | |
|
|
453 | sub server_hostport { |
|
|
454 | $_[0]{server_port} == 80 |
|
|
455 | ? $_[0]{server_name} |
|
|
456 | : "$_[0]{server_name}:$_[0]{server_port}"; |
361 | } |
457 | } |
362 | |
458 | |
363 | sub respond { |
459 | sub respond { |
364 | my $self = shift; |
460 | my $self = shift; |
365 | my $path = $self->{path}; |
461 | my $path = $self->{path}; |
366 | |
462 | |
367 | stat $path |
463 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
368 | or $self->err(404, "not found"); |
464 | if ($::internal{$1}) { |
369 | |
465 | $::internal{$1}->($self); |
370 | $self->{stat} = [stat _]; |
|
|
371 | |
|
|
372 | # idiotic netscape sends idiotic headers AGAIN |
|
|
373 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
374 | ? str2time $1 : 0; |
|
|
375 | |
|
|
376 | if (-d _ && -r _) { |
|
|
377 | # directory |
|
|
378 | if ($path !~ /\/$/) { |
|
|
379 | # create a redirect to get the trailing "/" |
|
|
380 | my $host = $self->server_hostport; |
|
|
381 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
|
|
382 | } else { |
466 | } else { |
383 | $ims < $self->{stat}[9] |
|
|
384 | or $self->err(304, "not modified"); |
467 | $self->err (404, "not found"); |
|
|
468 | } |
|
|
469 | } else { |
385 | |
470 | |
386 | if (-r "$path/index.html") { |
471 | Coro::AIO::aio_stat $path |
387 | $self->{path} .= "/index.html"; |
472 | and $self->err (404, "not found"); |
388 | $self->handle_file; |
473 | |
|
|
474 | $self->{stat} = [stat _]; |
|
|
475 | |
|
|
476 | # idiotic netscape sends idiotic headers AGAIN |
|
|
477 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
478 | ? str2time $1 : 0; |
|
|
479 | |
|
|
480 | if (-d _ && -r _) { |
|
|
481 | # directory |
|
|
482 | if ($path !~ /\/$/) { |
|
|
483 | # create a redirect to get the trailing "/" |
|
|
484 | # we don't try to avoid the :80 |
|
|
485 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
389 | } else { |
486 | } else { |
|
|
487 | $ims < $self->{stat}[9] |
|
|
488 | or $self->err (304, "not modified"); |
|
|
489 | |
|
|
490 | if (-r "$path/index.html") { |
|
|
491 | # replace directory "size" by index.html filesize |
|
|
492 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
|
|
493 | $self->handle_file ($queue_index, $tbf_top); |
|
|
494 | } else { |
390 | $self->handle_dir; |
495 | $self->handle_dir; |
391 | } |
496 | } |
392 | } |
497 | } |
393 | } elsif (-f _ && -r _) { |
498 | } elsif (-f _ && -r _) { |
394 | -x _ and $self->err(403, "forbidden"); |
499 | -x _ and $self->err (403, "forbidden"); |
395 | $self->handle_file; |
500 | |
|
|
501 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
502 | my $timeout = $::NOW + 10; |
|
|
503 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
|
|
504 | if ($timeout < $::NOW) { |
|
|
505 | $self->block($::BLOCKTIME, "too many connections"); |
|
|
506 | } else { |
|
|
507 | $httpevent->wait; |
|
|
508 | } |
|
|
509 | } |
|
|
510 | } |
|
|
511 | |
|
|
512 | $self->handle_file ($queue_file, $tbf_top); |
396 | } else { |
513 | } else { |
397 | $self->err(404, "not found"); |
514 | $self->err (404, "not found"); |
|
|
515 | } |
398 | } |
516 | } |
399 | } |
517 | } |
400 | |
518 | |
401 | sub handle_dir { |
519 | sub handle_dir { |
402 | my $self = shift; |
520 | my $self = shift; |
403 | my $idx = $self->diridx; |
521 | my $idx = $self->diridx; |
404 | |
522 | |
405 | $self->response(200, "ok", |
523 | $self->response (200, "ok", |
406 | { |
524 | { |
407 | "Content-Type" => "text/html", |
525 | "Content-Type" => "text/html; charset=utf-8", |
408 | "Content-Length" => length $idx, |
526 | "Content-Length" => length $idx, |
|
|
527 | "Last-Modified" => time2str ($self->{stat}[9]), |
409 | }, |
528 | }, |
410 | $idx); |
529 | $idx); |
411 | } |
530 | } |
412 | |
531 | |
413 | sub handle_file { |
532 | sub handle_file { |
414 | my $self = shift; |
533 | my ($self, $queue, $tbf) = @_; |
415 | my $length = -s _; |
534 | my $length = $self->{stat}[7]; |
416 | my $hdr = { |
535 | my $hdr = { |
417 | "Last-Modified" => time2str ((stat _)[9]), |
536 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
537 | "Accept-Ranges" => "bytes", |
418 | }; |
538 | }; |
419 | |
539 | |
420 | my @code = (200, "ok"); |
540 | my @code = (200, "ok"); |
421 | my ($l, $h); |
541 | my ($l, $h); |
422 | |
542 | |
423 | if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
543 | if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
424 | for (split /,/, $1) { |
544 | for (split /,/, $1) { |
425 | if (/^-(\d+)$/) { |
545 | if (/^-(\d+)$/) { |
426 | ($l, $h) = ($length - $1, $length - 1); |
546 | ($l, $h) = ($length - $1, $length - 1); |
427 | } elsif (/^(\d+)-(\d*)$/) { |
547 | } elsif (/^(\d+)-(\d*)$/) { |
428 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
548 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
429 | } else { |
549 | } else { |
430 | ($l, $h) = (0, $length - 1); |
550 | ($l, $h) = (0, $length - 1); |
431 | goto ignore; |
551 | goto ignore; |
432 | } |
552 | } |
433 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
553 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
434 | } |
554 | } |
435 | $hdr->{"Content-Range"} = "bytes */$length"; |
555 | $hdr->{"Content-Range"} = "bytes */$length"; |
436 | $hdr->{"Content-Length"} = $length; |
556 | $hdr->{"Content-Length"} = $length; |
437 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
|
|
438 | $self->err(416, "not satisfiable", $hdr, ""); |
557 | $self->err (416, "not satisfiable", $hdr, ""); |
439 | |
558 | |
440 | satisfiable: |
559 | satisfiable: |
441 | # check for segmented downloads |
560 | # check for segmented downloads |
442 | if ($l && $::NO_SEGMENTED) { |
561 | if ($l && $::NO_SEGMENTED) { |
|
|
562 | my $timeout = $::NOW + 15; |
443 | if (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
563 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
444 | Coro::Event::do_timer(after => 15); |
564 | if ($timeout <= $::NOW) { |
445 | |
565 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
446 | $self->err(400, "segmented downloads are not allowed"); |
566 | #$self->err_segmented_download; |
|
|
567 | } else { |
|
|
568 | $httpevent->wait; |
|
|
569 | } |
447 | } |
570 | } |
448 | } |
571 | } |
449 | |
572 | |
450 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
573 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
451 | @code = (206, "partial content"); |
574 | @code = (206, "partial content"); |
… | |
… | |
458 | |
581 | |
459 | $self->{path} =~ /\.([^.]+)$/; |
582 | $self->{path} =~ /\.([^.]+)$/; |
460 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
583 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
461 | $hdr->{"Content-Length"} = $length; |
584 | $hdr->{"Content-Length"} = $length; |
462 | |
585 | |
463 | $self->response(@code, $hdr, ""); |
586 | $self->response (@code, $hdr, ""); |
464 | |
587 | |
465 | if ($self->{method} eq "GET") { |
588 | if ($self->{method} eq "GET") { |
466 | my ($fh, $buf, $r); |
589 | $self->{time} = $::NOW; |
467 | my $current = $Coro::current; |
590 | $self->{written} = 0; |
|
|
591 | |
468 | open $fh, "<", $self->{path} |
592 | open my $fh, "<", $self->{path} |
469 | or die "$self->{path}: late open failure ($!)"; |
593 | or die "$self->{path}: late open failure ($!)"; |
470 | |
594 | |
471 | $h -= $l - 1; |
595 | $h -= $l - 1; |
472 | |
596 | |
473 | if (0) { |
597 | my $transfer = $queue->start_transfer ($h); |
474 | if ($l) { |
598 | my $locked; |
475 | sysseek $fh, $l, 0; |
599 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
476 | } |
|
|
477 | } |
|
|
478 | |
600 | |
479 | while ($h > 0) { |
601 | while ($h > 0) { |
480 | if (0) { |
602 | unless ($locked) { |
481 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
603 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
|
|
604 | $bufsize = $::BUFSIZE; |
|
|
605 | $self->{time} = $::NOW; |
|
|
606 | $self->{written} = 0; |
|
|
607 | } |
|
|
608 | } |
|
|
609 | |
|
|
610 | if ($blocked{$self->{remote_id}}) { |
|
|
611 | $self->{h}{connection} = "close"; |
|
|
612 | die bless {}, err::; |
|
|
613 | } |
|
|
614 | |
|
|
615 | Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
482 | or last; |
616 | or last; |
483 | } else { |
617 | |
484 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
618 | $tbf->request (length $buf); |
485 | $buf, 0, sub { |
|
|
486 | $r = $_[0]; |
|
|
487 | $current->ready; |
|
|
488 | }); |
|
|
489 | &Coro::schedule; |
|
|
490 | last unless $r; |
|
|
491 | } |
|
|
492 | my $w = $self->{fh}->syswrite($buf) |
619 | my $w = $self->{fh}->syswrite ($buf) |
493 | or last; |
620 | or last; |
494 | $::written += $w; |
621 | $::written += $w; |
495 | $self->{written} += $w; |
622 | $self->{written} += $w; |
496 | $l += $r; |
623 | $l += $w; |
497 | } |
624 | } |
498 | } |
|
|
499 | |
625 | |
500 | close $fh; |
626 | close $fh; |
|
|
627 | } |
501 | } |
628 | } |
502 | |
629 | |
503 | 1; |
630 | 1 |
|
|
631 | |