1 | #!/usr/bin/perl |
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2 | |
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3 | use Coro; |
1 | use Coro; |
4 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
5 | use Coro::Event; |
3 | use Coro::Event; |
6 | use Coro::Socket; |
4 | use Coro::Socket; |
7 | |
5 | |
… | |
… | |
10 | |
8 | |
11 | # at least on my machine, this thingy serves files |
9 | # at least on my machine, this thingy serves files |
12 | # quite a bit faster than apache, ;) |
10 | # quite a bit faster than apache, ;) |
13 | # and quite a bit slower than thttpd :( |
11 | # and quite a bit slower than thttpd :( |
14 | |
12 | |
15 | my $port = new Coro::Socket |
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16 | LocalAddr => $SERVER_HOST, |
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17 | LocalPort => $SERVER_PORT, |
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18 | ReuseAddr => 1, |
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19 | Listen => 1, |
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20 | or die "unable to start server"; |
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21 | |
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22 | $SIG{PIPE} = 'IGNORE'; |
13 | $SIG{PIPE} = 'IGNORE'; |
23 | |
14 | |
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15 | our $accesslog; |
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16 | |
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17 | if ($ACCESS_LOG) { |
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18 | use IO::Handle; |
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19 | open $accesslog, ">>$ACCESS_LOG" |
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20 | or die "$ACCESS_LOG: $!"; |
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21 | $accesslog->autoflush(1); |
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22 | } |
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23 | |
24 | sub slog { |
24 | sub slog { |
25 | my $level = shift; |
25 | my $level = shift; |
26 | my $format = shift; |
26 | my $format = shift; |
27 | printf "---: $format\n", @_; |
27 | printf "---: $format\n", @_; |
28 | } |
28 | } |
29 | |
29 | |
30 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
30 | my $connections = new Coro::Semaphore $MAX_CONNECTS; |
31 | |
31 | |
32 | my @fh; |
32 | my @newcons; |
33 | my @pool; |
33 | my @pool; |
34 | |
34 | |
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35 | # one "execution thread" |
35 | sub handler { |
36 | sub handler { |
36 | while () { |
37 | while () { |
37 | my $fh = pop @fh; |
38 | my $new = pop @newcons; |
38 | if ($fh) { |
39 | if ($new) { |
39 | eval { |
40 | eval { |
40 | conn->new($fh)->handle; |
41 | conn->new(@$new)->handle; |
41 | }; |
42 | }; |
42 | close $fh; |
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43 | slog 1, "$@" if $@ && !ref $@; |
43 | slog 1, "$@" if $@ && !ref $@; |
44 | $connections->up; |
44 | $connections->up; |
45 | } else { |
45 | } else { |
46 | last if @pool >= $MAX_POOL; |
46 | last if @pool >= $MAX_POOL; |
47 | push @pool, $Coro::current; |
47 | push @pool, $Coro::current; |
48 | schedule; |
48 | schedule; |
49 | } |
49 | } |
50 | } |
50 | } |
51 | } |
51 | } |
52 | |
52 | |
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53 | my $http_port = new Coro::Socket |
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54 | LocalAddr => $SERVER_HOST, |
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55 | LocalPort => $SERVER_PORT, |
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56 | ReuseAddr => 1, |
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57 | Listen => 50, |
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58 | or die "unable to start server"; |
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59 | |
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60 | push @listen_sockets, $http_port; |
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61 | |
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62 | # the "main thread" |
53 | async { |
63 | async { |
54 | slog 1, "accepting connections"; |
64 | slog 1, "accepting connections"; |
55 | while () { |
65 | while () { |
56 | $connections->down; |
66 | $connections->down; |
57 | push @fh, $port->accept; |
67 | push @newcons, [$http_port->accept]; |
58 | #slog 3, "accepted @$connections ".scalar(@pool); |
68 | #slog 3, "accepted @$connections ".scalar(@pool); |
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69 | $::NOW = time; |
59 | if (@pool) { |
70 | if (@pool) { |
60 | (pop @pool)->ready; |
71 | (pop @pool)->ready; |
61 | } else { |
72 | } else { |
62 | async \&handler; |
73 | async \&handler; |
63 | } |
74 | } |
64 | |
75 | |
65 | } |
76 | } |
66 | }; |
77 | }; |
67 | |
78 | |
68 | loop; |
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69 | print "ende\n";#d# |
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70 | |
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71 | package conn; |
79 | package conn; |
72 | |
80 | |
73 | use Socket; |
81 | use Socket; |
74 | use HTTP::Date; |
82 | use HTTP::Date; |
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83 | use Convert::Scalar 'weaken'; |
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84 | use Linux::AIO; |
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85 | |
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86 | Linux::AIO::min_parallel $::AIO_PARALLEL; |
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87 | |
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88 | my $aio_requests = new Coro::Semaphore $::AIO_PARALLEL * 4; |
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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 | |
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94 | our %conn; # $conn{ip}{self} => connobj |
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95 | our %uri; # $uri{ip}{uri}{self} |
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96 | our %blocked; |
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97 | our %mimetype; |
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98 | |
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99 | sub read_mimetypes { |
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100 | local *M; |
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101 | if (open M, "<mime_types") { |
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102 | while (<M>) { |
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103 | if (/^([^#]\S+)\t+(\S+)$/) { |
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104 | $mimetype{lc $1} = $2; |
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105 | } |
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106 | } |
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107 | } else { |
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108 | print "cannot open mime_types\n"; |
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109 | } |
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110 | } |
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111 | |
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112 | read_mimetypes; |
75 | |
113 | |
76 | sub new { |
114 | sub new { |
77 | my $class = shift; |
115 | my $class = shift; |
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116 | my $peername = shift; |
78 | my $fh = shift; |
117 | my $fh = shift; |
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118 | my $self = bless { fh => $fh }, $class; |
79 | my (undef, $iaddr) = unpack_sockaddr_in $fh->getpeername |
119 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
80 | or $self->err(500, "unable to get peername"); |
120 | or $self->err(500, "unable to decode peername"); |
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121 | |
81 | $self->{remote_address} = inet_ntoa $iaddr; |
122 | $self->{remote_addr} = inet_ntoa $iaddr; |
82 | bless { fh => $fh }, $class; |
123 | $self->{time} = $::NOW; |
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124 | |
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125 | # enter ourselves into various lists |
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126 | weaken ($conn{$self->{remote_addr}}{$self*1} = $self); |
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127 | |
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128 | $::conns++; |
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129 | |
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130 | $self; |
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131 | } |
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132 | |
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133 | sub DESTROY { |
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134 | my $self = shift; |
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135 | |
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136 | $::conns--; |
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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 | } |
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141 | |
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142 | # end of connection |
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143 | sub eoconn { |
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144 | my $self = shift; |
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145 | delete $uri{$self->{remote_addr}}{$self->{uri}}{$self*1}; |
83 | } |
146 | } |
84 | |
147 | |
85 | sub slog { |
148 | sub slog { |
86 | main::slog(@_); |
149 | my $self = shift; |
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150 | main::slog($_[0], ($self->{remote_id} || $self->{remote_addr}) ."> $_[1]"); |
87 | } |
151 | } |
88 | |
152 | |
89 | sub print_response { |
153 | sub response { |
90 | my ($self, $code, $msg, $hdr, $content) = @_; |
154 | my ($self, $code, $msg, $hdr, $content) = @_; |
91 | my $res = "HTTP/1.0 $code $msg\015\012"; |
155 | my $res = "HTTP/1.1 $code $msg\015\012"; |
92 | |
156 | |
93 | $hdr->{Date} = time2str time; # slow? nah. |
157 | $self->{h}{connection} ||= $hdr->{Connection}; |
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158 | |
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159 | $res .= "Date: ".(time2str $::NOW)."\015\012"; # slow? nah. :( |
94 | |
160 | |
95 | while (my ($h, $v) = each %$hdr) { |
161 | while (my ($h, $v) = each %$hdr) { |
96 | $res .= "$h: $v\015\012" |
162 | $res .= "$h: $v\015\012" |
97 | } |
163 | } |
98 | $res .= "\015\012$content" if defined $content; |
164 | $res .= "\015\012"; |
99 | |
165 | |
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166 | $res .= $content if defined $content and $self->{method} ne "HEAD"; |
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167 | |
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168 | my $log = "$self->{remote_addr} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}." \"$self->{h}{referer}\"\n"; |
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169 | |
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170 | print $accesslog $log if $accesslog; |
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171 | print STDERR $log; |
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172 | |
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173 | $self->{written} += |
100 | print {$self->{fh}} $res; |
174 | print {$self->{fh}} $res; |
101 | } |
175 | } |
102 | |
176 | |
103 | sub err { |
177 | sub err { |
104 | my $self = shift; |
178 | my $self = shift; |
105 | my ($code, $msg, $hdr, $content) = @_; |
179 | my ($code, $msg, $hdr, $content) = @_; |
… | |
… | |
107 | unless (defined $content) { |
181 | unless (defined $content) { |
108 | $content = "$code $msg"; |
182 | $content = "$code $msg"; |
109 | $hdr->{"Content-Type"} = "text/plain"; |
183 | $hdr->{"Content-Type"} = "text/plain"; |
110 | $hdr->{"Content-Length"} = length $content; |
184 | $hdr->{"Content-Length"} = length $content; |
111 | } |
185 | } |
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186 | $hdr->{"Connection"} = "close"; |
112 | |
187 | |
113 | $self->slog($msg) if $code; |
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114 | |
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115 | $self->print_response($code, $msg, $hdr, $content); |
188 | $self->response($code, $msg, $hdr, $content); |
116 | |
189 | |
117 | die bless {}, err::; |
190 | die bless {}, err::; |
118 | } |
191 | } |
119 | |
192 | |
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193 | sub err_blocked { |
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194 | my $self = shift; |
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195 | my $ip = $self->{remote_addr}; |
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196 | my $time = time2str $blocked{$ip} = $::NOW + $::BLOCKTIME; |
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197 | |
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198 | Coro::Event::do_timer(after => 20*rand); |
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199 | |
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200 | $self->err(401, "too many connections", |
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201 | { |
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202 | "Content-Type" => "text/html", |
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203 | "Retry-After" => $::BLOCKTIME, |
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204 | "Warning" => "Please do NOT retry, you have been blocked", |
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205 | "WWW-Authenticate" => "Basic realm=\"Please do NOT retry, you have been blocked\"", |
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206 | "Connection" => "close", |
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207 | }, |
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208 | <<EOF); |
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209 | <html> |
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210 | <head> |
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211 | <title>Too many connections</title> |
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212 | </head> |
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213 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
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214 | |
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215 | <p>You have been blocked because you opened too many connections. You |
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216 | may retry at</p> |
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217 | |
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218 | <p><blockquote>$time.</blockquote></p> |
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219 | |
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220 | <p>Until then, each new access will renew the block. You might want to have a |
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221 | look at the <a href="http://www.goof.com/pcg/marc/animefaq.html#connectionlimit">FAQ</a>.</p> |
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222 | |
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223 | </body></html> |
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224 | EOF |
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225 | } |
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226 | |
120 | sub handle { |
227 | sub handle { |
121 | my $self = shift; |
228 | my $self = shift; |
122 | my $fh = $self->{fh}; |
229 | my $fh = $self->{fh}; |
123 | |
230 | |
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231 | my $host; |
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232 | |
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233 | $fh->timeout($::REQ_TIMEOUT); |
124 | #while() { |
234 | while() { |
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235 | $self->{reqs}++; |
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236 | |
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237 | # read request and parse first line |
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238 | my $req = $fh->readline("\015\012\015\012"); |
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239 | |
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240 | unless (defined $req) { |
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241 | if (exists $self->{version}) { |
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242 | last; |
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243 | } else { |
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244 | $self->err(408, "request timeout"); |
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245 | } |
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246 | } |
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247 | |
125 | $self->{h} = {}; |
248 | $self->{h} = {}; |
126 | |
249 | |
127 | # read request and parse first line |
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128 | $fh->timeout($::REQ_TIMEOUT); |
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129 | my $req = $fh->readline("\015\012\015\012"); |
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130 | $fh->timeout($::RES_TIMEOUT); |
250 | $fh->timeout($::RES_TIMEOUT); |
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251 | my $ip = $self->{remote_addr}; |
131 | |
252 | |
132 | defined $req or |
253 | if ($blocked{$ip}) { |
133 | $self->err(408, "request timeout"); |
254 | $self->err_blocked($blocked{$ip}) |
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255 | if $blocked{$ip} > $::NOW; |
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256 | |
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257 | delete $blocked{$ip}; |
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258 | } |
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259 | |
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260 | if (%{$conn{$ip}} > $::MAX_CONN_IP) { |
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261 | $self->slog(2, "blocked ip $ip"); |
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262 | $self->err_blocked; |
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263 | } |
134 | |
264 | |
135 | $req =~ /^(?:\015\012)? |
265 | $req =~ /^(?:\015\012)? |
136 | (GET|HEAD) \040+ |
266 | (GET|HEAD) \040+ |
137 | ([^\040]+) \040+ |
267 | ([^\040]+) \040+ |
138 | HTTP\/([0-9]+\.[0-9]+) |
268 | HTTP\/([0-9]+\.[0-9]+) |
139 | \015\012/gx |
269 | \015\012/gx |
140 | or $self->err(403, "method not allowed", { Allow => "GET,HEAD" }); |
270 | or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
141 | |
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142 | $2 ne "1.0" |
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143 | or $self->err(506, "http protocol version not supported"); |
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144 | |
271 | |
145 | $self->{method} = $1; |
272 | $self->{method} = $1; |
146 | $self->{uri} = $2; |
273 | $self->{uri} = $2; |
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274 | $self->{version} = $3; |
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275 | |
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276 | $3 =~ /^1\./ |
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277 | or $self->err(506, "http protocol version $3 not supported"); |
147 | |
278 | |
148 | # parse headers |
279 | # parse headers |
149 | { |
280 | { |
150 | my (%hdr, $h, $v); |
281 | my (%hdr, $h, $v); |
151 | |
282 | |
… | |
… | |
162 | |
293 | |
163 | $self->{h}{$h} = substr $v, 1 |
294 | $self->{h}{$h} = substr $v, 1 |
164 | while ($h, $v) = each %hdr; |
295 | while ($h, $v) = each %hdr; |
165 | } |
296 | } |
166 | |
297 | |
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298 | # find out server name and port |
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299 | if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
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300 | $host = $1; |
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301 | } else { |
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302 | $host = $self->{h}{host}; |
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303 | } |
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304 | |
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305 | if (defined $host) { |
167 | $self->{server_port} = $self->{h}{host} =~ s/:([0-9]+)$// ? $1 : 80; |
306 | $self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
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307 | } else { |
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308 | ($self->{server_port}, $host) |
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309 | = unpack_sockaddr_in $self->{fh}->getsockname |
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310 | or $self->err(500, "unable to get socket name"); |
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311 | $host = inet_ntoa $host; |
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312 | } |
168 | |
313 | |
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314 | $self->{server_name} = $host; |
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315 | |
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316 | # remote id should be unique per user |
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317 | $self->{remote_id} = $self->{remote_addr}; |
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318 | |
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319 | if (exists $self->{h}{"client-ip"}) { |
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320 | $self->{remote_id} .= "[".$self->{h}{"client-ip"}."]"; |
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321 | } elsif (exists $self->{h}{"x-forwarded-for"}) { |
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322 | $self->{remote_id} .= "[".$self->{h}{"x-forwarded-for"}."]"; |
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323 | } |
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324 | |
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325 | weaken ($uri{$self->{remote_addr}}{$self->{uri}}{$self*1} = $self); |
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326 | |
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327 | eval { |
169 | $self->map_uri; |
328 | $self->map_uri; |
170 | $self->respond; |
329 | $self->respond; |
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330 | }; |
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331 | |
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332 | $self->eoconn; |
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333 | |
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334 | die if $@ && !ref $@; |
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335 | |
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336 | last if $self->{h}{connection} =~ /close/ || $self->{version} < 1.1; |
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337 | |
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338 | $fh->timeout($::PER_TIMEOUT); |
171 | #} |
339 | } |
172 | } |
340 | } |
173 | |
341 | |
174 | # uri => path mapping |
342 | # uri => path mapping |
175 | sub map_uri { |
343 | sub map_uri { |
176 | my $self = shift; |
344 | my $self = shift; |
177 | my $host = $self->{h}{host} || "default"; |
345 | my $host = $self->{server_name}; |
178 | my $uri = $self->{uri}; |
346 | my $uri = $self->{uri}; |
179 | |
347 | |
180 | # some massaging, also makes it more secure |
348 | # some massaging, also makes it more secure |
181 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
349 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
182 | $uri =~ s%//+%/%g; |
350 | $uri =~ s%//+%/%g; |
… | |
… | |
188 | |
356 | |
189 | $self->{name} = $uri; |
357 | $self->{name} = $uri; |
190 | |
358 | |
191 | # now do the path mapping |
359 | # now do the path mapping |
192 | $self->{path} = "$::DOCROOT/$host$uri"; |
360 | $self->{path} = "$::DOCROOT/$host$uri"; |
193 | } |
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194 | |
361 | |
195 | sub server_address { |
362 | $self->access_check; |
196 | my $self = shift; |
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197 | my ($port, $iaddr) = unpack_sockaddr_in $self->{fh}->getsockname |
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198 | or $self->err(500, "unable to get socket name"); |
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199 | ((inet_ntoa $iaddr), $port); |
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200 | } |
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201 | |
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202 | sub server_host { |
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203 | my $self = shift; |
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204 | if (exists $self->{h}{host}) { |
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205 | return $self->{h}{host}; |
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206 | } else { |
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207 | return (($self->server_address)[0]); |
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208 | } |
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209 | } |
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210 | |
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211 | sub server_hostport { |
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212 | my $self = shift; |
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213 | my ($host, $port); |
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214 | if (exists $self->{h}{host}) { |
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215 | ($host, $port) = ($self->{h}{host}, $self->{server_port}); |
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216 | } else { |
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217 | ($host, $port) = $self->server_address; |
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218 | } |
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219 | $port = $port == 80 ? "" : ":$port"; |
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220 | $host.$port; |
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221 | } |
363 | } |
222 | |
364 | |
223 | sub _cgi { |
365 | sub _cgi { |
224 | my $self = shift; |
366 | my $self = shift; |
225 | my $path = shift; |
367 | my $path = shift; |
… | |
… | |
228 | # no two-way xxx supported |
370 | # no two-way xxx supported |
229 | if (0 == fork) { |
371 | if (0 == fork) { |
230 | open STDOUT, ">&".fileno($self->{fh}); |
372 | open STDOUT, ">&".fileno($self->{fh}); |
231 | if (chdir $::DOCROOT) { |
373 | if (chdir $::DOCROOT) { |
232 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
374 | $ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
233 | $ENV{HTTP_HOST} = $self->server_host; |
375 | $ENV{HTTP_HOST} = $self->{server_name}; |
234 | $ENV{HTTP_PORT} = $self->{server_host}; |
376 | $ENV{HTTP_PORT} = $self->{server_port}; |
235 | $ENV{SCRIPT_NAME} = $self->{name}; |
377 | $ENV{SCRIPT_NAME} = $self->{name}; |
236 | exec $::INDEXPROG; |
378 | exec $path; |
237 | } |
379 | } |
238 | Coro::State::_exit(0); |
380 | Coro::State::_exit(0); |
239 | } else { |
381 | } else { |
|
|
382 | die; |
240 | } |
383 | } |
|
|
384 | } |
|
|
385 | |
|
|
386 | sub server_hostport { |
|
|
387 | $_[0]{server_port} == 80 |
|
|
388 | ? $_[0]{server_name} |
|
|
389 | : "$_[0]{server_name}:$_[0]{server_port}"; |
241 | } |
390 | } |
242 | |
391 | |
243 | sub respond { |
392 | sub respond { |
244 | my $self = shift; |
393 | my $self = shift; |
245 | my $path = $self->{path}; |
394 | my $path = $self->{path}; |
246 | |
395 | |
247 | stat $path |
396 | stat $path |
248 | or $self->err(404, "not found"); |
397 | or $self->err(404, "not found"); |
|
|
398 | |
|
|
399 | $self->{stat} = [stat _]; |
249 | |
400 | |
250 | # idiotic netscape sends idiotic headers AGAIN |
401 | # idiotic netscape sends idiotic headers AGAIN |
251 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
402 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
252 | ? str2time $1 : 0; |
403 | ? str2time $1 : 0; |
253 | |
404 | |
254 | if (-d _ && -r _) { |
405 | if (-d _ && -r _) { |
255 | # directory |
406 | # directory |
256 | if ($path !~ /\/$/) { |
407 | if ($path !~ /\/$/) { |
257 | # create a redirect to get the trailing "/" |
408 | # create a redirect to get the trailing "/" |
258 | my $host = $self->server_hostport; |
409 | # we don't try to avoid the :80 |
259 | $self->err(301, "moved permanently", { Location => "http://$host$self->{uri}/" }); |
410 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
260 | } else { |
411 | } else { |
261 | $ims < (stat _)[9] |
412 | $ims < $self->{stat}[9] |
262 | or $self->err(304, "not modified"); |
413 | or $self->err(304, "not modified"); |
263 | |
414 | |
264 | if ($self->{method} eq "GET") { |
|
|
265 | if (-r "$path/index.html") { |
415 | if (-r "$path/index.html") { |
266 | $self->{path} .= "/index.html"; |
416 | $self->{path} .= "/index.html"; |
267 | $self->handle_file; |
417 | $self->handle_file; |
268 | } else { |
418 | } else { |
269 | $self->handle_dir; |
419 | $self->handle_dir; |
270 | } |
|
|
271 | } |
420 | } |
272 | } |
421 | } |
273 | } elsif (-f _ && -r _) { |
422 | } elsif (-f _ && -r _) { |
274 | -x _ and $self->err(403, "forbidden"); |
423 | -x _ and $self->err(403, "forbidden"); |
275 | $self->handle_file; |
424 | $self->handle_file; |
… | |
… | |
278 | } |
427 | } |
279 | } |
428 | } |
280 | |
429 | |
281 | sub handle_dir { |
430 | sub handle_dir { |
282 | my $self = shift; |
431 | my $self = shift; |
283 | $self->_cgi($::INDEXPROG); |
432 | my $idx = $self->diridx; |
|
|
433 | |
|
|
434 | $self->response(200, "ok", |
|
|
435 | { |
|
|
436 | "Content-Type" => "text/html", |
|
|
437 | "Content-Length" => length $idx, |
|
|
438 | }, |
|
|
439 | $idx); |
284 | } |
440 | } |
285 | |
441 | |
286 | sub handle_file { |
442 | sub handle_file { |
287 | my $self = shift; |
443 | my $self = shift; |
288 | my $length = -s _; |
444 | my $length = -s _; |
… | |
… | |
301 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
457 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
302 | } else { |
458 | } else { |
303 | ($l, $h) = (0, $length - 1); |
459 | ($l, $h) = (0, $length - 1); |
304 | goto ignore; |
460 | goto ignore; |
305 | } |
461 | } |
306 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h > $l; |
462 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
307 | } |
463 | } |
308 | $hdr->{"Content-Range"} = "bytes */$length"; |
464 | $hdr->{"Content-Range"} = "bytes */$length"; |
|
|
465 | $hdr->{"Content-Length"} = $length; |
|
|
466 | $self->slog(9, "not satisfiable($self->{h}{range}|".$self->{h}{"user-agent"}.")"); |
309 | $self->err(416, "not satisfiable", $hdr); |
467 | $self->err(416, "not satisfiable", $hdr, ""); |
310 | |
468 | |
311 | satisfiable: |
469 | satisfiable: |
|
|
470 | # check for segmented downloads |
|
|
471 | if ($l && $::NO_SEGMENTED) { |
|
|
472 | my $delay = 60; |
|
|
473 | while (%{$uri{$self->{remote_addr}}{$self->{uri}}} > 1) { |
|
|
474 | if ($delay <= 0) { |
|
|
475 | $self->err(400, "segmented downloads are not allowed", |
|
|
476 | { "Content-Type" => "text/html", Connection => "close" }, <<EOF); |
|
|
477 | <html> |
|
|
478 | <head> |
|
|
479 | <title>Segmented downloads are not allowed</title> |
|
|
480 | </head> |
|
|
481 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
|
|
482 | |
|
|
483 | <p>Segmented downloads are not allowed on this server. Please refer to the |
|
|
484 | <a href="http://www.goof.com/pcg/marc/animefaq.html#segmented_downloads">FAQ</a>.</p> |
|
|
485 | |
|
|
486 | </body></html> |
|
|
487 | EOF |
|
|
488 | } else { |
|
|
489 | Coro::Event::do_timer(after => 3); $delay -= 3; |
|
|
490 | } |
|
|
491 | } |
|
|
492 | } |
|
|
493 | |
312 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
494 | $hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
313 | @code = (206, "partial content"); |
495 | @code = (206, "partial content"); |
314 | $length = $h - $l + 1; |
496 | $length = $h - $l + 1; |
315 | |
497 | |
316 | ignore: |
498 | ignore: |
317 | } else { |
499 | } else { |
318 | ($l, $h) = (0, $length - 1); |
500 | ($l, $h) = (0, $length - 1); |
319 | } |
501 | } |
320 | |
502 | |
321 | if ($self->{path} =~ /\.html$/) { |
503 | $self->{path} =~ /\.([^.]+)$/; |
322 | $hdr->{"Content-Type"} = "text/html"; |
|
|
323 | } else { |
|
|
324 | $hdr->{"Content-Type"} = "application/octet-stream"; |
504 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
325 | } |
|
|
326 | |
|
|
327 | $hdr->{"Content-Length"} = $length; |
505 | $hdr->{"Content-Length"} = $length; |
328 | |
506 | |
329 | $self->print_response(@code, $hdr, ""); |
507 | $self->response(@code, $hdr, ""); |
330 | |
508 | |
331 | if ($self->{method} eq "GET") { |
509 | if ($self->{method} eq "GET") { |
332 | my ($fh, $buf); |
510 | my ($fh, $buf, $r); |
|
|
511 | my $current = $Coro::current; |
333 | open $fh, "<", $self->{path} |
512 | open $fh, "<", $self->{path} |
334 | or die "$self->{path}: late open failure ($!)"; |
513 | or die "$self->{path}: late open failure ($!)"; |
335 | |
514 | |
336 | if ($l) { |
|
|
337 | sysseek $fh, $l, 0 |
|
|
338 | or die "$self->{path}: cannot seek to $l ($!)"; |
|
|
339 | } |
|
|
340 | |
|
|
341 | $h -= $l - 1; |
515 | $h -= $l - 1; |
342 | |
516 | |
|
|
517 | if (0) { |
|
|
518 | if ($l) { |
|
|
519 | sysseek $fh, $l, 0; |
|
|
520 | } |
|
|
521 | } |
|
|
522 | |
343 | while ($h > 0) { |
523 | while ($h > 0) { |
344 | $h -= sysread $fh, $buf, $h > 4096 ? 4096 : $h; |
524 | if (0) { |
345 | print {$self->{fh}} $buf |
525 | sysread $fh, $buf, $h > $::BUFSIZE ? $::BUFSIZE : $h |
|
|
526 | or last; |
|
|
527 | } else { |
|
|
528 | undef $buf; |
|
|
529 | $aio_requests->down; |
|
|
530 | aio_read($fh, $l, ($h > $::BUFSIZE ? $::BUFSIZE : $h), |
|
|
531 | $buf, 0, sub { |
|
|
532 | $r = $_[0]; |
|
|
533 | $current->ready; |
|
|
534 | }); |
|
|
535 | &Coro::schedule; |
|
|
536 | $aio_requests->up; |
|
|
537 | last unless $r; |
|
|
538 | } |
|
|
539 | my $w = $self->{fh}->syswrite($buf) |
346 | or last; |
540 | or last; |
|
|
541 | $::written += $w; |
|
|
542 | $self->{written} += $w; |
|
|
543 | $l += $r; |
347 | } |
544 | } |
348 | } |
545 | } |
349 | |
546 | |
350 | close $fh; |
547 | close $fh; |
351 | } |
548 | } |
|
|
549 | |
|
|
550 | 1; |