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 |
… | |
… | |
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 | |
15 | our $accesslog; |
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 | $errorlog->autoflush(1); |
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42 | } |
16 | |
43 | |
17 | if ($ACCESS_LOG) { |
44 | if ($ACCESS_LOG) { |
18 | use IO::Handle; |
45 | use IO::Handle; |
19 | open $accesslog, ">>$ACCESS_LOG" |
46 | open $accesslog, ">>$ACCESS_LOG" |
20 | or die "$ACCESS_LOG: $!"; |
47 | or die "$ACCESS_LOG: $!"; |
… | |
… | |
22 | } |
49 | } |
23 | |
50 | |
24 | sub slog { |
51 | sub slog { |
25 | my $level = shift; |
52 | my $level = shift; |
26 | my $format = shift; |
53 | my $format = shift; |
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54 | my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
27 | printf "---: $format\n", @_; |
55 | printf "$NOW: $format\n", @_; |
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56 | printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
28 | } |
57 | } |
29 | |
58 | |
30 | 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; |
31 | |
61 | |
32 | my @newcons; |
62 | our $queue_file = new transferqueue $MAX_TRANSFERS; |
33 | my @pool; |
63 | our $queue_index = new transferqueue 10; |
34 | |
64 | |
35 | # one "execution thread" |
65 | our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
36 | 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"; |
37 | while () { |
88 | while () { |
38 | my $new = pop @newcons; |
89 | $connections->down; |
39 | if ($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 { |
40 | eval { |
94 | eval { |
41 | conn->new(@$new)->handle; |
95 | conn->new (@conn)->handle; |
42 | }; |
96 | }; |
43 | slog 1, "$@" 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 | |
44 | $connections->up; |
101 | $connections->up; |
45 | } else { |
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46 | last if @pool >= $MAX_POOL; |
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47 | push @pool, $Coro::current; |
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48 | schedule; |
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49 | } |
102 | } |
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103 | } |
50 | } |
104 | }; |
51 | } |
105 | } |
52 | |
106 | |
53 | my $http_port = new Coro::Socket |
107 | my $http_port = new Coro::Socket |
54 | LocalAddr => $SERVER_HOST, |
108 | LocalAddr => $SERVER_HOST, |
55 | LocalPort => $SERVER_PORT, |
109 | LocalPort => $SERVER_PORT, |
56 | ReuseAddr => 1, |
110 | ReuseAddr => 1, |
57 | Listen => 50, |
111 | Listen => 50, |
58 | or die "unable to start server"; |
112 | or die "unable to start server"; |
59 | |
113 | |
60 | push @listen_sockets, $http_port; |
114 | listen_on $http_port; |
61 | |
115 | |
62 | # the "main thread" |
116 | if ($SERVER_PORT2) { |
63 | async { |
117 | my $http_port = new Coro::Socket |
64 | slog 1, "accepting connections"; |
118 | LocalAddr => $SERVER_HOST, |
65 | while () { |
119 | LocalPort => $SERVER_PORT2, |
66 | $connections->down; |
120 | ReuseAddr => 1, |
67 | push @newcons, [$http_port->accept]; |
121 | Listen => 50, |
68 | #slog 3, "accepted @$connections ".scalar(@pool); |
122 | or die "unable to start server"; |
69 | $::NOW = time; |
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70 | if (@pool) { |
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71 | (pop @pool)->ready; |
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72 | } else { |
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73 | async \&handler; |
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74 | } |
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75 | |
123 | |
76 | } |
124 | listen_on $http_port; |
77 | }; |
125 | } |
78 | |
126 | |
79 | package conn; |
127 | package conn; |
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128 | |
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129 | use strict; |
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130 | use bytes; |
80 | |
131 | |
81 | use Socket; |
132 | use Socket; |
82 | use HTTP::Date; |
133 | use HTTP::Date; |
83 | use Convert::Scalar 'weaken'; |
134 | use Convert::Scalar 'weaken'; |
84 | use Linux::AIO; |
135 | use IO::AIO; |
85 | |
136 | |
86 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
137 | IO::AIO::min_parallel $::AIO_PARALLEL; |
87 | |
138 | |
88 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
139 | our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
89 | |
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90 | Event->io(fd => Linux::AIO::poll_fileno, |
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91 | poll => 'r', async => 1, |
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92 | cb => \&Linux::AIO::poll_cb); |
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93 | |
140 | |
94 | our %conn; # $conn{ip}{self} => connobj |
141 | our %conn; # $conn{ip}{self} => connobj |
95 | our %uri; # $uri{ip}{uri}{self} |
142 | our %uri; # $uri{ip}{uri}{self} |
96 | our %blocked; |
143 | our %blocked; |
97 | our %mimetype; |
144 | our %mimetype; |
98 | |
145 | |
99 | sub read_mimetypes { |
146 | sub read_mimetypes { |
100 | local *M; |
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101 | if (open M, "<mime_types") { |
147 | if (open my $fh, "<mime_types") { |
102 | while (<M>) { |
148 | while (<$fh>) { |
103 | if (/^([^#]\S+)\t+(\S+)$/) { |
149 | if (/^([^#]\S+)\t+(\S+)$/) { |
104 | $mimetype{lc $1} = $2; |
150 | $mimetype{lc $1} = $2; |
105 | } |
151 | } |
106 | } |
152 | } |
107 | } else { |
153 | } else { |
… | |
… | |
111 | |
157 | |
112 | read_mimetypes; |
158 | read_mimetypes; |
113 | |
159 | |
114 | sub new { |
160 | sub new { |
115 | my $class = shift; |
161 | my $class = shift; |
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162 | my $fh = shift; |
116 | my $peername = shift; |
163 | my $peername = shift; |
117 | my $fh = shift; |
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118 | my $self = bless { fh => $fh }, $class; |
164 | my $self = bless { fh => $fh }, $class; |
119 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
165 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
120 | or $self->err(500, "unable to decode peername"); |
166 | or $self->err (500, "unable to decode peername"); |
121 | |
167 | |
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168 | $self->{remote_addr} = |
122 | $self->{remote_addr} = inet_ntoa $iaddr; |
169 | $self->{remote_id} = inet_ntoa $iaddr; |
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170 | |
123 | $self->{time} = $::NOW; |
171 | $self->{time} = $::NOW; |
124 | |
172 | |
125 | # enter ourselves into various lists |
173 | weaken ($Coro::current->{conn} = $self); |
126 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
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127 | |
174 | |
128 | $::conns++; |
175 | ++$::conns; |
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176 | $::maxconns = $::conns if $::conns > $::maxconns; |
129 | |
177 | |
130 | $self; |
178 | $self |
131 | } |
179 | } |
132 | |
180 | |
133 | sub DESTROY { |
181 | sub DESTROY { |
134 | my $self = shift; |
182 | my $self = shift; |
135 | |
183 | |
136 | $::conns--; |
184 | --$::conns; |
137 | |
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138 | $self->eoconn; |
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139 | delete $conn{$self->{remote_addr}}{$self*1}; |
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140 | } |
185 | } |
141 | |
186 | |
142 | # end of connection |
187 | sub prune_cache { |
143 | sub eoconn { |
188 | my $hash = $_[0]; |
144 | my $self = shift; |
189 | |
145 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
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 | } |
146 | } |
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; |
147 | |
210 | |
148 | sub slog { |
211 | sub slog { |
149 | my $self = shift; |
212 | my $self = shift; |
150 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
213 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
151 | } |
214 | } |
152 | |
215 | |
153 | sub response { |
216 | sub response { |
154 | my ($self, $code, $msg, $hdr, $content) = @_; |
217 | my ($self, $code, $msg, $hdr, $content) = @_; |
155 | 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 = ""; |
156 | |
220 | |
157 | $self->{h}{connection} ||= $hdr->{Connection}; |
221 | if (exists $hdr->{Connection}) { |
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222 | if ($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 | } |
158 | |
234 | |
159 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
235 | if ($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: $::NAME\015\012"; |
160 | |
250 | |
161 | while (my ($h, $v) = each %$hdr) { |
251 | while (my ($h, $v) = each %$hdr) { |
162 | $res .= "$h: $v\015\012" |
252 | $res .= "$h: $v\015\012" |
163 | } |
253 | } |
164 | $res .= "\015\012"; |
254 | $res .= "\015\012"; |
165 | |
255 | |
166 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
256 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
167 | |
257 | |
168 | my $log = "$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"; |
169 | |
261 | |
170 | print $accesslog $log if $accesslog; |
262 | print $::accesslog $log if $::accesslog; |
171 | print STDERR $log; |
263 | print STDERR $log; |
172 | |
264 | |
173 | $self->{written} += |
265 | $tbf_top->request(length $res, 1e6); |
174 | print {$self->{fh}} $res; |
266 | $self->{written} += print {$self->{fh}} $res; |
175 | } |
267 | } |
176 | |
268 | |
177 | sub err { |
269 | sub err { |
178 | my $self = shift; |
270 | my $self = shift; |
179 | my ($code, $msg, $hdr, $content) = @_; |
271 | my ($code, $msg, $hdr, $content) = @_; |
180 | |
272 | |
181 | unless (defined $content) { |
273 | unless (defined $content) { |
182 | $content = "$code $msg"; |
274 | $content = "$code $msg\n"; |
183 | $hdr->{"Content-Type"} = "text/plain"; |
275 | $hdr->{"Content-Type"} = "text/plain"; |
184 | $hdr->{"Content-Length"} = length $content; |
276 | $hdr->{"Content-Length"} = length $content; |
185 | } |
277 | } |
186 | $hdr->{"Connection"} = "close"; |
278 | $hdr->{"Connection"} = "close"; |
187 | |
279 | |
188 | $self->response($code, $msg, $hdr, $content); |
280 | $self->response ($code, $msg, $hdr, $content); |
189 | |
281 | |
190 | die bless {}, err::; |
282 | die bless {}, err:: |
191 | } |
283 | } |
192 | |
284 | |
193 | sub handle { |
285 | sub handle { |
194 | my $self = shift; |
286 | my $self = shift; |
195 | my $fh = $self->{fh}; |
287 | my $fh = $self->{fh}; |
196 | |
288 | |
197 | my $host; |
289 | my $host; |
198 | |
290 | |
199 | $fh->timeout($::REQ_TIMEOUT); |
291 | $fh->timeout($::REQ_TIMEOUT); |
200 | while() { |
292 | while () { |
201 | $self->{reqs}++; |
293 | $self->{reqs}++; |
202 | |
294 | |
203 | # read request and parse first line |
295 | # read request and parse first line |
204 | my $req = $fh->readline("\015\012\015\012"); |
296 | my $req = $fh->readline("\015\012\015\012"); |
205 | |
297 | |
… | |
… | |
212 | } |
304 | } |
213 | |
305 | |
214 | $self->{h} = {}; |
306 | $self->{h} = {}; |
215 | |
307 | |
216 | $fh->timeout($::RES_TIMEOUT); |
308 | $fh->timeout($::RES_TIMEOUT); |
217 | my $ip = $self->{remote_addr}; |
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218 | |
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219 | if ($blocked{$ip}) { |
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220 | $self->err_blocked($blocked{$ip}) |
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221 | if $blocked{$ip} > $::NOW; |
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222 | |
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223 | delete $blocked{$ip}; |
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224 | } |
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225 | |
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226 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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227 | $self->slog(2, "blocked ip $ip"); |
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228 | $self->err_blocked; |
|
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229 | } |
|
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230 | |
309 | |
231 | $req =~ /^(?:\015\012)? |
310 | $req =~ /^(?:\015\012)? |
232 | (GET|HEAD) \040+ |
311 | (GET|HEAD) \040+ |
233 | ([^\040]+) \040+ |
312 | ([^\040]+) \040+ |
234 | HTTP\/([0-9]+\.[0-9]+) |
313 | HTTP\/([0-9]+\.[0-9]+) |
… | |
… | |
247 | my (%hdr, $h, $v); |
326 | my (%hdr, $h, $v); |
248 | |
327 | |
249 | $hdr{lc $1} .= ",$2" |
328 | $hdr{lc $1} .= ",$2" |
250 | while $req =~ /\G |
329 | while $req =~ /\G |
251 | ([^:\000-\040]+): |
330 | ([^:\000-\040]+): |
252 | [\008\040]* |
331 | [\011\040]* |
253 | ((?: [^\015\012]+ | \015\012[\008\040] )*) |
332 | ((?: [^\015\012]+ | \015\012[\011\040] )*) |
254 | \015\012 |
333 | \015\012 |
255 | /gxc; |
334 | /gxc; |
256 | |
335 | |
257 | $req =~ /\G\015\012$/ |
336 | $req =~ /\G\015\012$/ |
258 | or $self->err(400, "bad request"); |
337 | or $self->err(400, "bad request"); |
259 | |
338 | |
260 | $self->{h}{$h} = substr $v, 1 |
339 | $self->{h}{$h} = substr $v, 1 |
261 | while ($h, $v) = each %hdr; |
340 | while ($h, $v) = each %hdr; |
|
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341 | } |
|
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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}; |
262 | } |
361 | } |
263 | |
362 | |
264 | # find out server name and port |
363 | # find out server name and port |
265 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
364 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
266 | $host = $1; |
365 | $host = $1; |
… | |
… | |
270 | |
369 | |
271 | if (defined $host) { |
370 | if (defined $host) { |
272 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
371 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
273 | } else { |
372 | } else { |
274 | ($self->{server_port}, $host) |
373 | ($self->{server_port}, $host) |
275 | = unpack_sockaddr_in $self->{fh}->getsockname |
374 | = unpack_sockaddr_in $self->{fh}->sockname |
276 | or $self->err(500, "unable to get socket name"); |
375 | or $self->err(500, "unable to get socket name"); |
277 | $host = inet_ntoa $host; |
376 | $host = inet_ntoa $host; |
278 | } |
377 | } |
279 | |
378 | |
280 | $self->{server_name} = $host; |
379 | $self->{server_name} = $host; |
281 | |
380 | |
282 | # remote id should be unique per user |
|
|
283 | $self->{remote_id} = $self->{remote_addr}; |
|
|
284 | |
|
|
285 | if (exists $self->{h}{"client-ip"}) { |
|
|
286 | $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]"; |
|
|
287 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
|
|
288 | $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]"; |
|
|
289 | } |
|
|
290 | |
|
|
291 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
381 | weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
292 | |
382 | |
293 | eval { |
383 | eval { |
294 | $self->map_uri; |
384 | $self->map_uri; |
295 | $self->respond; |
385 | $self->respond; |
296 | }; |
386 | }; |
297 | |
387 | |
298 | $self->eoconn; |
|
|
299 | |
|
|
300 | die if $@ && !ref $@; |
388 | die if $@ && !ref $@; |
301 | |
389 | |
302 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
390 | last if $self->{h}{connection} =~ /close/i; |
|
|
391 | |
|
|
392 | $httpevent->broadcast; |
303 | |
393 | |
304 | $fh->timeout($::PER_TIMEOUT); |
394 | $fh->timeout($::PER_TIMEOUT); |
305 | } |
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; |
306 | } |
404 | } |
307 | |
405 | |
308 | # uri => path mapping |
406 | # uri => path mapping |
309 | sub map_uri { |
407 | sub map_uri { |
310 | my $self = shift; |
408 | my $self = shift; |
311 | my $host = $self->{server_name}; |
409 | my $host = $self->{server_name}; |
312 | my $uri = $self->{uri}; |
410 | my $uri = $self->{uri}; |
|
|
411 | |
|
|
412 | $host =~ /[\/\\]/ |
|
|
413 | and $self->err(400, "bad request"); |
313 | |
414 | |
314 | # some massaging, also makes it more secure |
415 | # some massaging, also makes it more secure |
315 | $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; |
316 | $uri =~ s%//+%/%g; |
417 | $uri =~ s%//+%/%g; |
317 | $uri =~ s%/\.(?=/|$)%%g; |
418 | $uri =~ s%/\.(?=/|$)%%g; |
… | |
… | |
357 | |
458 | |
358 | sub respond { |
459 | sub respond { |
359 | my $self = shift; |
460 | my $self = shift; |
360 | my $path = $self->{path}; |
461 | my $path = $self->{path}; |
361 | |
462 | |
362 | stat $path |
463 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
363 | or $self->err(404, "not found"); |
464 | if ($::internal{$1}) { |
364 | |
465 | $::internal{$1}->($self); |
365 | $self->{stat} = [stat _]; |
|
|
366 | |
|
|
367 | # idiotic netscape sends idiotic headers AGAIN |
|
|
368 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
|
|
369 | ? str2time $1 : 0; |
|
|
370 | |
|
|
371 | if (-d _ && -r _) { |
|
|
372 | # directory |
|
|
373 | if ($path !~ /\/$/) { |
|
|
374 | # create a redirect to get the trailing "/" |
|
|
375 | # we don't try to avoid the :80 |
|
|
376 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
|
|
377 | } else { |
466 | } else { |
378 | $ims < $self->{stat}[9] |
467 | $self->err (404, "not found"); |
|
|
468 | } |
|
|
469 | } else { |
|
|
470 | |
|
|
471 | stat $path |
379 | or $self->err(304, "not modified"); |
472 | or $self->err (404, "not found"); |
380 | |
473 | |
381 | if (-r "$path/index.html") { |
474 | $self->{stat} = [stat _]; |
382 | $self->{path} .= "/index.html"; |
475 | |
383 | $self->handle_file; |
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}/" }); |
384 | } 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 { |
385 | $self->handle_dir; |
495 | $self->handle_dir; |
386 | } |
496 | } |
387 | } |
497 | } |
388 | } elsif (-f _ && -r _) { |
498 | } elsif (-f _ && -r _) { |
389 | -x _ and $self->err(403, "forbidden"); |
499 | -x _ and $self->err (403, "forbidden"); |
390 | $self->handle_file; |
500 | |
|
|
501 | if (keys %{$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); |
391 | } else { |
513 | } else { |
392 | $self->err(404, "not found"); |
514 | $self->err (404, "not found"); |
|
|
515 | } |
393 | } |
516 | } |
394 | } |
517 | } |
395 | |
518 | |
396 | sub handle_dir { |
519 | sub handle_dir { |
397 | my $self = shift; |
520 | my $self = shift; |
398 | my $idx = $self->diridx; |
521 | my $idx = $self->diridx; |
399 | |
522 | |
400 | $self->response(200, "ok", |
523 | $self->response (200, "ok", |
401 | { |
524 | { |
402 | "Content-Type" => "text/html", |
525 | "Content-Type" => "text/html; charset=utf-8", |
403 | "Content-Length" => length $idx, |
526 | "Content-Length" => length $idx, |
|
|
527 | "Last-Modified" => time2str ($self->{stat}[9]), |
404 | }, |
528 | }, |
405 | $idx); |
529 | $idx); |
406 | } |
530 | } |
407 | |
531 | |
408 | sub handle_file { |
532 | sub handle_file { |
409 | my $self = shift; |
533 | my ($self, $queue, $tbf) = @_; |
410 | my $length = -s _; |
534 | my $length = $self->{stat}[7]; |
411 | my $hdr = { |
535 | my $hdr = { |
412 | "Last-Modified" => time2str ((stat _)[9]), |
536 | "Last-Modified" => time2str ((stat _)[9]), |
|
|
537 | "Accept-Ranges" => "bytes", |
413 | }; |
538 | }; |
414 | |
539 | |
415 | my @code = (200, "ok"); |
540 | my @code = (200, "ok"); |
416 | my ($l, $h); |
541 | my ($l, $h); |
417 | |
542 | |
418 | if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
543 | if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
419 | for (split /,/, $1) { |
544 | for (split /,/, $1) { |
420 | if (/^-(\d+)$/) { |
545 | if (/^-(\d+)$/) { |
421 | ($l, $h) = ($length - $1, $length - 1); |
546 | ($l, $h) = ($length - $1, $length - 1); |
422 | } elsif (/^(\d+)-(\d*)$/) { |
547 | } elsif (/^(\d+)-(\d*)$/) { |
423 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
548 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
… | |
… | |
427 | } |
552 | } |
428 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
553 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
429 | } |
554 | } |
430 | $hdr->{"Content-Range"} = "bytes */$length"; |
555 | $hdr->{"Content-Range"} = "bytes */$length"; |
431 | $hdr->{"Content-Length"} = $length; |
556 | $hdr->{"Content-Length"} = $length; |
432 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
|
|
433 | $self->err(416, "not satisfiable", $hdr, ""); |
557 | $self->err (416, "not satisfiable", $hdr, ""); |
434 | |
558 | |
435 | satisfiable: |
559 | satisfiable: |
436 | # check for segmented downloads |
560 | # check for segmented downloads |
437 | if ($l && $::NO_SEGMENTED) { |
561 | if ($l && $::NO_SEGMENTED) { |
438 | my $delay = 180; |
562 | my $timeout = $::NOW + 15; |
439 | while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
563 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
440 | if ($delay <= 0) { |
564 | if ($timeout <= $::NOW) { |
|
|
565 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
441 | $self->err_segmented_download; |
566 | #$self->err_segmented_download; |
442 | } else { |
567 | } else { |
443 | Coro::Event::do_timer(after => 3); $delay -= 3; |
568 | $httpevent->wait; |
444 | } |
569 | } |
445 | } |
570 | } |
446 | } |
571 | } |
447 | |
572 | |
448 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
573 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
… | |
… | |
456 | |
581 | |
457 | $self->{path} =~ /\.([^.]+)$/; |
582 | $self->{path} =~ /\.([^.]+)$/; |
458 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
583 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
459 | $hdr->{"Content-Length"} = $length; |
584 | $hdr->{"Content-Length"} = $length; |
460 | |
585 | |
461 | $self->response(@code, $hdr, ""); |
586 | $self->response (@code, $hdr, ""); |
462 | |
587 | |
463 | if ($self->{method} eq "GET") { |
588 | if ($self->{method} eq "GET") { |
464 | my ($fh, $buf, $r); |
589 | $self->{time} = $::NOW; |
465 | my $current = $Coro::current; |
590 | $self->{written} = 0; |
|
|
591 | |
466 | open $fh, "<", $self->{path} |
592 | open my $fh, "<", $self->{path} |
467 | or die "$self->{path}: late open failure ($!)"; |
593 | or die "$self->{path}: late open failure ($!)"; |
468 | |
594 | |
469 | $h -= $l - 1; |
595 | $h -= $l - 1; |
470 | |
596 | |
471 | if (0) { |
597 | my $transfer = $queue->start_transfer ($h); |
472 | if ($l) { |
598 | my $locked; |
473 | sysseek $fh, $l, 0; |
599 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
474 | } |
|
|
475 | } |
|
|
476 | |
600 | |
477 | while ($h > 0) { |
601 | while ($h > 0) { |
478 | if (0) { |
602 | unless ($locked) { |
479 | 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 |
480 | or last; |
616 | or last; |
481 | } else { |
617 | |
482 | undef $buf; |
618 | $tbf->request (length $buf); |
483 | $aio_requests->down; |
|
|
484 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
485 | $buf, 0, sub { |
|
|
486 | $r = $_[0]; |
|
|
487 | $current->ready; |
|
|
488 | }); |
|
|
489 | &Coro::schedule; |
|
|
490 | $aio_requests->up; |
|
|
491 | last unless $r; |
|
|
492 | } |
|
|
493 | my $w = $self->{fh}->syswrite($buf) |
619 | my $w = $self->{fh}->syswrite ($buf) |
494 | or last; |
620 | or last; |
495 | $::written += $w; |
621 | $::written += $w; |
496 | $self->{written} += $w; |
622 | $self->{written} += $w; |
497 | $l += $r; |
623 | $l += $w; |
498 | } |
624 | } |
499 | } |
|
|
500 | |
625 | |
501 | close $fh; |
626 | close $fh; |
|
|
627 | } |
502 | } |
628 | } |
503 | |
629 | |
504 | 1; |
630 | 1 |
|
|
631 | |