1 |
root |
1.1 |
use Coro; |
2 |
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use Coro::Semaphore; |
3 |
root |
1.84 |
use Coro::EV; |
4 |
root |
1.1 |
use Coro::Socket; |
5 |
root |
1.44 |
use Coro::Signal; |
6 |
root |
1.79 |
use Coro::AIO (); |
7 |
root |
1.1 |
|
8 |
root |
1.32 |
use HTTP::Date; |
9 |
root |
1.47 |
use POSIX (); |
10 |
root |
1.32 |
|
11 |
root |
1.63 |
use Compress::Zlib (); |
12 |
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|
13 |
root |
1.1 |
no utf8; |
14 |
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use bytes; |
15 |
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16 |
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# at least on my machine, this thingy serves files |
17 |
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# quite a bit faster than apache, ;) |
18 |
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# and quite a bit slower than thttpd :( |
19 |
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20 |
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$SIG{PIPE} = 'IGNORE'; |
21 |
root |
1.27 |
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22 |
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our $accesslog; |
23 |
root |
1.56 |
our $errorlog; |
24 |
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25 |
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our $NOW; |
26 |
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our $HTTP_NOW; |
27 |
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28 |
root |
1.80 |
our $ERROR_LOG; |
29 |
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our $ACCESS_LOG; |
30 |
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|
31 |
root |
1.84 |
our $update_time = EV::periodic 0, 1, undef, sub { |
32 |
root |
1.56 |
$NOW = time; |
33 |
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$HTTP_NOW = time2str $NOW; |
34 |
root |
1.84 |
}; |
35 |
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$update_time->invoke; |
36 |
root |
1.56 |
|
37 |
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if ($ERROR_LOG) { |
38 |
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use IO::Handle; |
39 |
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open $errorlog, ">>$ERROR_LOG" |
40 |
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or die "$ERROR_LOG: $!"; |
41 |
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$errorlog->autoflush(1); |
42 |
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} |
43 |
root |
1.27 |
|
44 |
|
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if ($ACCESS_LOG) { |
45 |
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use IO::Handle; |
46 |
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open $accesslog, ">>$ACCESS_LOG" |
47 |
|
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or die "$ACCESS_LOG: $!"; |
48 |
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$accesslog->autoflush(1); |
49 |
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} |
50 |
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|
51 |
root |
1.1 |
sub slog { |
52 |
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my $level = shift; |
53 |
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my $format = shift; |
54 |
root |
1.56 |
my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
55 |
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printf "$NOW: $format\n", @_; |
56 |
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printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
57 |
root |
1.1 |
} |
58 |
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|
59 |
root |
1.32 |
our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
60 |
root |
1.44 |
our $httpevent = new Coro::Signal; |
61 |
root |
1.34 |
|
62 |
root |
1.63 |
our $queue_file = new transferqueue $MAX_TRANSFERS; |
63 |
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our $queue_index = new transferqueue 10; |
64 |
root |
1.62 |
|
65 |
root |
1.72 |
our $tbf_top = new tbf rate => $TBF_RATE || 100000; |
66 |
root |
1.67 |
|
67 |
root |
1.68 |
my $unused_bytes = 0; |
68 |
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my $unused_last = time; |
69 |
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70 |
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sub unused_bandwidth { |
71 |
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$unused_bytes += $_[0]; |
72 |
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if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
73 |
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$unused_last = $NOW; |
74 |
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$unused_bytes = 0; |
75 |
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$queue_file->force_wake_next; |
76 |
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slog 1, "forced filetransfer due to unused bandwidth"; |
77 |
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} |
78 |
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} |
79 |
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80 |
root |
1.40 |
sub listen_on { |
81 |
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my $listen = $_[0]; |
82 |
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83 |
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push @listen_sockets, $listen; |
84 |
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85 |
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# the "main thread" |
86 |
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async { |
87 |
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slog 1, "accepting connections"; |
88 |
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while () { |
89 |
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$connections->down; |
90 |
root |
1.88 |
my @conn = $listen->accept; |
91 |
root |
1.40 |
#slog 3, "accepted @$connections ".scalar(@pool); |
92 |
root |
1.88 |
|
93 |
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async_pool { |
94 |
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eval { |
95 |
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conn->new (@conn)->handle; |
96 |
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}; |
97 |
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slog 1, "$@" if $@ && !ref $@; |
98 |
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99 |
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$httpevent->broadcast; # only for testing, but doesn't matter much |
100 |
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101 |
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$connections->up; |
102 |
root |
1.40 |
} |
103 |
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} |
104 |
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}; |
105 |
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} |
106 |
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107 |
root |
1.4 |
my $http_port = new Coro::Socket |
108 |
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LocalAddr => $SERVER_HOST, |
109 |
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LocalPort => $SERVER_PORT, |
110 |
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ReuseAddr => 1, |
111 |
root |
1.81 |
Listen => 50, |
112 |
root |
1.4 |
or die "unable to start server"; |
113 |
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114 |
root |
1.40 |
listen_on $http_port; |
115 |
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116 |
root |
1.41 |
if ($SERVER_PORT2) { |
117 |
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my $http_port = new Coro::Socket |
118 |
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LocalAddr => $SERVER_HOST, |
119 |
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LocalPort => $SERVER_PORT2, |
120 |
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ReuseAddr => 1, |
121 |
root |
1.81 |
Listen => 50, |
122 |
root |
1.41 |
or die "unable to start server"; |
123 |
root |
1.40 |
|
124 |
root |
1.41 |
listen_on $http_port; |
125 |
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} |
126 |
root |
1.4 |
|
127 |
root |
1.1 |
package conn; |
128 |
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129 |
root |
1.80 |
use strict; |
130 |
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use bytes; |
131 |
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132 |
root |
1.1 |
use Socket; |
133 |
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use HTTP::Date; |
134 |
root |
1.2 |
use Convert::Scalar 'weaken'; |
135 |
root |
1.77 |
use IO::AIO; |
136 |
root |
1.16 |
|
137 |
root |
1.77 |
IO::AIO::min_parallel $::AIO_PARALLEL; |
138 |
root |
1.16 |
|
139 |
root |
1.84 |
our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
140 |
root |
1.16 |
|
141 |
root |
1.26 |
our %conn; # $conn{ip}{self} => connobj |
142 |
|
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our %uri; # $uri{ip}{uri}{self} |
143 |
root |
1.3 |
our %blocked; |
144 |
root |
1.9 |
our %mimetype; |
145 |
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|
146 |
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sub read_mimetypes { |
147 |
root |
1.81 |
if (open my $fh, "<mime_types") { |
148 |
|
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while (<$fh>) { |
149 |
root |
1.9 |
if (/^([^#]\S+)\t+(\S+)$/) { |
150 |
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$mimetype{lc $1} = $2; |
151 |
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} |
152 |
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} |
153 |
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} else { |
154 |
root |
1.10 |
print "cannot open mime_types\n"; |
155 |
root |
1.9 |
} |
156 |
|
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} |
157 |
root |
1.1 |
|
158 |
root |
1.10 |
read_mimetypes; |
159 |
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|
160 |
root |
1.1 |
sub new { |
161 |
|
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my $class = shift; |
162 |
root |
1.42 |
my $fh = shift; |
163 |
root |
1.6 |
my $peername = shift; |
164 |
root |
1.2 |
my $self = bless { fh => $fh }, $class; |
165 |
root |
1.6 |
my (undef, $iaddr) = unpack_sockaddr_in $peername |
166 |
root |
1.81 |
or $self->err (500, "unable to decode peername"); |
167 |
root |
1.7 |
|
168 |
root |
1.50 |
$self->{remote_addr} = |
169 |
|
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$self->{remote_id} = inet_ntoa $iaddr; |
170 |
root |
1.60 |
|
171 |
root |
1.11 |
$self->{time} = $::NOW; |
172 |
root |
1.2 |
|
173 |
root |
1.49 |
weaken ($Coro::current->{conn} = $self); |
174 |
|
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|
175 |
root |
1.82 |
++$::conns; |
176 |
root |
1.53 |
$::maxconns = $::conns if $::conns > $::maxconns; |
177 |
root |
1.13 |
|
178 |
root |
1.81 |
$self |
179 |
root |
1.2 |
} |
180 |
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|
181 |
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sub DESTROY { |
182 |
root |
1.82 |
my $self = shift; |
183 |
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|
184 |
root |
1.81 |
--$::conns; |
185 |
root |
1.1 |
} |
186 |
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187 |
root |
1.73 |
sub prune_cache { |
188 |
|
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my $hash = $_[0]; |
189 |
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|
190 |
|
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for (keys %$hash) { |
191 |
|
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if (ref $hash->{$_} eq HASH::) { |
192 |
|
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prune_cache($hash->{$_}); |
193 |
|
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unless (scalar keys %{$hash->{$_}}) { |
194 |
|
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delete $hash->{$_}; |
195 |
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} |
196 |
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} |
197 |
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} |
198 |
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} |
199 |
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200 |
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sub prune_caches { |
201 |
|
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prune_cache \%conn; |
202 |
|
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prune_cache \%uri; |
203 |
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|
204 |
|
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for (keys %blocked) { |
205 |
root |
1.74 |
delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
206 |
root |
1.73 |
} |
207 |
|
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} |
208 |
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|
209 |
root |
1.84 |
our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches; |
210 |
root |
1.73 |
|
211 |
root |
1.1 |
sub slog { |
212 |
root |
1.4 |
my $self = shift; |
213 |
root |
1.50 |
main::slog($_[0], "$self->{remote_id}> $_[1]"); |
214 |
root |
1.1 |
} |
215 |
|
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|
216 |
root |
1.4 |
sub response { |
217 |
root |
1.1 |
my ($self, $code, $msg, $hdr, $content) = @_; |
218 |
root |
1.17 |
my $res = "HTTP/1.1 $code $msg\015\012"; |
219 |
root |
1.63 |
my $GZ = ""; |
220 |
root |
1.1 |
|
221 |
root |
1.46 |
if (exists $hdr->{Connection}) { |
222 |
|
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if ($hdr->{Connection} =~ /close/) { |
223 |
|
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$self->{h}{connection} = "close" |
224 |
|
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} |
225 |
|
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} else { |
226 |
|
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if ($self->{version} < 1.1) { |
227 |
|
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if ($self->{h}{connection} =~ /keep-alive/i) { |
228 |
|
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$hdr->{Connection} = "Keep-Alive"; |
229 |
|
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} else { |
230 |
|
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$self->{h}{connection} = "close" |
231 |
|
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} |
232 |
|
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} |
233 |
|
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} |
234 |
root |
1.28 |
|
235 |
root |
1.63 |
if ($self->{method} ne "HEAD" |
236 |
|
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&& $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
237 |
root |
1.64 |
&& 400 < length $content |
238 |
root |
1.63 |
&& $hdr->{"Content-Length"} == length $content |
239 |
|
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&& !exists $hdr->{"Content-Encoding"} |
240 |
|
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) { |
241 |
|
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my $orig = length $content; |
242 |
|
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$hdr->{"Content-Encoding"} = "gzip"; |
243 |
|
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$content = Compress::Zlib::memGzip(\$content); |
244 |
|
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$hdr->{"Content-Length"} = length $content; |
245 |
|
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$GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
246 |
|
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} |
247 |
|
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|
248 |
root |
1.32 |
$res .= "Date: $HTTP_NOW\015\012"; |
249 |
root |
1.71 |
$res .= "Server: $::NAME\015\012"; |
250 |
root |
1.1 |
|
251 |
|
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while (my ($h, $v) = each %$hdr) { |
252 |
|
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$res .= "$h: $v\015\012" |
253 |
|
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} |
254 |
root |
1.10 |
$res .= "\015\012"; |
255 |
root |
1.4 |
|
256 |
root |
1.13 |
$res .= $content if defined $content and $self->{method} ne "HEAD"; |
257 |
root |
1.1 |
|
258 |
root |
1.65 |
my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
259 |
root |
1.63 |
" $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
260 |
root |
1.50 |
" \"$self->{h}{referer}\"\n"; |
261 |
root |
1.27 |
|
262 |
root |
1.65 |
print $::accesslog $log if $::accesslog; |
263 |
root |
1.27 |
print STDERR $log; |
264 |
root |
1.2 |
|
265 |
root |
1.67 |
$tbf_top->request(length $res, 1e6); |
266 |
|
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$self->{written} += print {$self->{fh}} $res; |
267 |
root |
1.1 |
} |
268 |
|
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|
269 |
|
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sub err { |
270 |
|
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my $self = shift; |
271 |
|
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my ($code, $msg, $hdr, $content) = @_; |
272 |
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|
273 |
|
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unless (defined $content) { |
274 |
root |
1.35 |
$content = "$code $msg\n"; |
275 |
root |
1.1 |
$hdr->{"Content-Type"} = "text/plain"; |
276 |
|
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$hdr->{"Content-Length"} = length $content; |
277 |
|
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} |
278 |
root |
1.17 |
$hdr->{"Connection"} = "close"; |
279 |
root |
1.1 |
|
280 |
root |
1.81 |
$self->response ($code, $msg, $hdr, $content); |
281 |
root |
1.1 |
|
282 |
root |
1.81 |
die bless {}, err:: |
283 |
root |
1.1 |
} |
284 |
|
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|
285 |
|
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sub handle { |
286 |
|
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my $self = shift; |
287 |
|
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my $fh = $self->{fh}; |
288 |
|
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|
289 |
root |
1.29 |
my $host; |
290 |
|
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|
291 |
root |
1.17 |
$fh->timeout($::REQ_TIMEOUT); |
292 |
root |
1.81 |
while () { |
293 |
root |
1.17 |
$self->{reqs}++; |
294 |
root |
1.1 |
|
295 |
|
|
# read request and parse first line |
296 |
|
|
my $req = $fh->readline("\015\012\015\012"); |
297 |
|
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|
298 |
root |
1.17 |
unless (defined $req) { |
299 |
|
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if (exists $self->{version}) { |
300 |
|
|
last; |
301 |
|
|
} else { |
302 |
|
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$self->err(408, "request timeout"); |
303 |
|
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} |
304 |
|
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} |
305 |
|
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|
306 |
|
|
$self->{h} = {}; |
307 |
root |
1.1 |
|
308 |
root |
1.17 |
$fh->timeout($::RES_TIMEOUT); |
309 |
root |
1.3 |
|
310 |
root |
1.1 |
$req =~ /^(?:\015\012)? |
311 |
|
|
(GET|HEAD) \040+ |
312 |
|
|
([^\040]+) \040+ |
313 |
|
|
HTTP\/([0-9]+\.[0-9]+) |
314 |
|
|
\015\012/gx |
315 |
root |
1.14 |
or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
316 |
root |
1.1 |
|
317 |
|
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$self->{method} = $1; |
318 |
|
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$self->{uri} = $2; |
319 |
root |
1.17 |
$self->{version} = $3; |
320 |
|
|
|
321 |
root |
1.20 |
$3 =~ /^1\./ |
322 |
root |
1.17 |
or $self->err(506, "http protocol version $3 not supported"); |
323 |
root |
1.1 |
|
324 |
|
|
# parse headers |
325 |
|
|
{ |
326 |
|
|
my (%hdr, $h, $v); |
327 |
|
|
|
328 |
|
|
$hdr{lc $1} .= ",$2" |
329 |
|
|
while $req =~ /\G |
330 |
|
|
([^:\000-\040]+): |
331 |
root |
1.66 |
[\011\040]* |
332 |
|
|
((?: [^\015\012]+ | \015\012[\011\040] )*) |
333 |
root |
1.1 |
\015\012 |
334 |
|
|
/gxc; |
335 |
|
|
|
336 |
|
|
$req =~ /\G\015\012$/ |
337 |
|
|
or $self->err(400, "bad request"); |
338 |
|
|
|
339 |
|
|
$self->{h}{$h} = substr $v, 1 |
340 |
|
|
while ($h, $v) = each %hdr; |
341 |
|
|
} |
342 |
|
|
|
343 |
root |
1.36 |
# remote id should be unique per user |
344 |
|
|
my $id = $self->{remote_addr}; |
345 |
|
|
|
346 |
|
|
if (exists $self->{h}{"client-ip"}) { |
347 |
|
|
$id .= "[".$self->{h}{"client-ip"}."]"; |
348 |
|
|
} elsif (exists $self->{h}{"x-forwarded-for"}) { |
349 |
|
|
$id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
350 |
|
|
} |
351 |
|
|
|
352 |
|
|
$self->{remote_id} = $id; |
353 |
|
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|
354 |
root |
1.56 |
weaken (local $conn{$id}{$self*1} = $self); |
355 |
|
|
|
356 |
root |
1.36 |
if ($blocked{$id}) { |
357 |
root |
1.56 |
$self->err_blocked |
358 |
|
|
if $blocked{$id}[0] > $::NOW; |
359 |
root |
1.36 |
|
360 |
|
|
delete $blocked{$id}; |
361 |
|
|
} |
362 |
|
|
|
363 |
root |
1.29 |
# 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) { |
371 |
|
|
$self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
372 |
|
|
} else { |
373 |
|
|
($self->{server_port}, $host) |
374 |
root |
1.43 |
= unpack_sockaddr_in $self->{fh}->sockname |
375 |
root |
1.29 |
or $self->err(500, "unable to get socket name"); |
376 |
|
|
$host = inet_ntoa $host; |
377 |
|
|
} |
378 |
|
|
|
379 |
|
|
$self->{server_name} = $host; |
380 |
|
|
|
381 |
root |
1.56 |
weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
382 |
root |
1.1 |
|
383 |
root |
1.24 |
eval { |
384 |
|
|
$self->map_uri; |
385 |
|
|
$self->respond; |
386 |
|
|
}; |
387 |
|
|
|
388 |
|
|
die if $@ && !ref $@; |
389 |
root |
1.17 |
|
390 |
root |
1.56 |
last if $self->{h}{connection} =~ /close/i; |
391 |
root |
1.17 |
|
392 |
root |
1.44 |
$httpevent->broadcast; |
393 |
|
|
|
394 |
root |
1.17 |
$fh->timeout($::PER_TIMEOUT); |
395 |
|
|
} |
396 |
root |
1.1 |
} |
397 |
|
|
|
398 |
root |
1.56 |
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; |
404 |
|
|
} |
405 |
|
|
|
406 |
root |
1.1 |
# uri => path mapping |
407 |
|
|
sub map_uri { |
408 |
|
|
my $self = shift; |
409 |
root |
1.29 |
my $host = $self->{server_name}; |
410 |
root |
1.1 |
my $uri = $self->{uri}; |
411 |
|
|
|
412 |
root |
1.85 |
$host =~ /[\/\\]/ |
413 |
|
|
and $self->err(400, "bad request"); |
414 |
|
|
|
415 |
root |
1.1 |
# some massaging, also makes it more secure |
416 |
|
|
$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
417 |
|
|
$uri =~ s%//+%/%g; |
418 |
|
|
$uri =~ s%/\.(?=/|$)%%g; |
419 |
|
|
1 while $uri =~ s%/[^/]+/\.\.(?=/|$)%%; |
420 |
|
|
|
421 |
|
|
$uri =~ m%^/?\.\.(?=/|$)% |
422 |
|
|
and $self->err(400, "bad request"); |
423 |
|
|
|
424 |
|
|
$self->{name} = $uri; |
425 |
|
|
|
426 |
|
|
# now do the path mapping |
427 |
|
|
$self->{path} = "$::DOCROOT/$host$uri"; |
428 |
root |
1.7 |
|
429 |
|
|
$self->access_check; |
430 |
root |
1.1 |
} |
431 |
|
|
|
432 |
|
|
sub _cgi { |
433 |
|
|
my $self = shift; |
434 |
|
|
my $path = shift; |
435 |
|
|
my $fh; |
436 |
|
|
|
437 |
|
|
# no two-way xxx supported |
438 |
|
|
if (0 == fork) { |
439 |
|
|
open STDOUT, ">&".fileno($self->{fh}); |
440 |
|
|
if (chdir $::DOCROOT) { |
441 |
|
|
$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
442 |
root |
1.29 |
$ENV{HTTP_HOST} = $self->{server_name}; |
443 |
|
|
$ENV{HTTP_PORT} = $self->{server_port}; |
444 |
root |
1.1 |
$ENV{SCRIPT_NAME} = $self->{name}; |
445 |
root |
1.10 |
exec $path; |
446 |
root |
1.1 |
} |
447 |
|
|
Coro::State::_exit(0); |
448 |
|
|
} else { |
449 |
root |
1.29 |
die; |
450 |
root |
1.1 |
} |
451 |
|
|
} |
452 |
|
|
|
453 |
root |
1.29 |
sub server_hostport { |
454 |
|
|
$_[0]{server_port} == 80 |
455 |
|
|
? $_[0]{server_name} |
456 |
|
|
: "$_[0]{server_name}:$_[0]{server_port}"; |
457 |
|
|
} |
458 |
|
|
|
459 |
root |
1.1 |
sub respond { |
460 |
|
|
my $self = shift; |
461 |
|
|
my $path = $self->{path}; |
462 |
|
|
|
463 |
root |
1.49 |
if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
464 |
|
|
if ($::internal{$1}) { |
465 |
|
|
$::internal{$1}->($self); |
466 |
|
|
} else { |
467 |
root |
1.81 |
$self->err (404, "not found"); |
468 |
root |
1.49 |
} |
469 |
|
|
} else { |
470 |
root |
1.1 |
|
471 |
root |
1.89 |
Coro::AIO::aio_stat $path |
472 |
|
|
and $self->err (404, "not found"); |
473 |
root |
1.10 |
|
474 |
root |
1.49 |
$self->{stat} = [stat _]; |
475 |
root |
1.1 |
|
476 |
root |
1.49 |
# 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 |
root |
1.81 |
$self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
486 |
root |
1.25 |
} else { |
487 |
root |
1.49 |
$ims < $self->{stat}[9] |
488 |
root |
1.81 |
or $self->err (304, "not modified"); |
489 |
root |
1.49 |
|
490 |
|
|
if (-r "$path/index.html") { |
491 |
|
|
# replace directory "size" by index.html filesize |
492 |
root |
1.55 |
$self->{stat} = [stat ($self->{path} .= "/index.html")]; |
493 |
root |
1.81 |
$self->handle_file ($queue_index, $tbf_top); |
494 |
root |
1.49 |
} else { |
495 |
|
|
$self->handle_dir; |
496 |
|
|
} |
497 |
root |
1.1 |
} |
498 |
root |
1.49 |
} elsif (-f _ && -r _) { |
499 |
root |
1.81 |
-x _ and $self->err (403, "forbidden"); |
500 |
root |
1.56 |
|
501 |
root |
1.58 |
if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
502 |
root |
1.56 |
my $timeout = $::NOW + 10; |
503 |
root |
1.58 |
while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
504 |
root |
1.56 |
if ($timeout < $::NOW) { |
505 |
|
|
$self->block($::BLOCKTIME, "too many connections"); |
506 |
|
|
} else { |
507 |
|
|
$httpevent->wait; |
508 |
|
|
} |
509 |
|
|
} |
510 |
|
|
} |
511 |
|
|
|
512 |
root |
1.81 |
$self->handle_file ($queue_file, $tbf_top); |
513 |
root |
1.49 |
} else { |
514 |
root |
1.81 |
$self->err (404, "not found"); |
515 |
root |
1.1 |
} |
516 |
|
|
} |
517 |
|
|
} |
518 |
|
|
|
519 |
|
|
sub handle_dir { |
520 |
|
|
my $self = shift; |
521 |
root |
1.10 |
my $idx = $self->diridx; |
522 |
|
|
|
523 |
root |
1.81 |
$self->response (200, "ok", |
524 |
root |
1.10 |
{ |
525 |
root |
1.76 |
"Content-Type" => "text/html; charset=utf-8", |
526 |
root |
1.10 |
"Content-Length" => length $idx, |
527 |
root |
1.55 |
"Last-Modified" => time2str ($self->{stat}[9]), |
528 |
root |
1.10 |
}, |
529 |
|
|
$idx); |
530 |
root |
1.1 |
} |
531 |
|
|
|
532 |
|
|
sub handle_file { |
533 |
root |
1.67 |
my ($self, $queue, $tbf) = @_; |
534 |
root |
1.34 |
my $length = $self->{stat}[7]; |
535 |
root |
1.1 |
my $hdr = { |
536 |
root |
1.75 |
"Last-Modified" => time2str ((stat _)[9]), |
537 |
|
|
"Accept-Ranges" => "bytes", |
538 |
root |
1.1 |
}; |
539 |
|
|
|
540 |
|
|
my @code = (200, "ok"); |
541 |
|
|
my ($l, $h); |
542 |
|
|
|
543 |
root |
1.86 |
if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
544 |
root |
1.1 |
for (split /,/, $1) { |
545 |
|
|
if (/^-(\d+)$/) { |
546 |
|
|
($l, $h) = ($length - $1, $length - 1); |
547 |
|
|
} elsif (/^(\d+)-(\d*)$/) { |
548 |
|
|
($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
549 |
|
|
} else { |
550 |
|
|
($l, $h) = (0, $length - 1); |
551 |
|
|
goto ignore; |
552 |
|
|
} |
553 |
root |
1.26 |
goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
554 |
root |
1.1 |
} |
555 |
|
|
$hdr->{"Content-Range"} = "bytes */$length"; |
556 |
root |
1.24 |
$hdr->{"Content-Length"} = $length; |
557 |
root |
1.81 |
$self->err (416, "not satisfiable", $hdr, ""); |
558 |
root |
1.1 |
|
559 |
|
|
satisfiable: |
560 |
root |
1.4 |
# check for segmented downloads |
561 |
root |
1.10 |
if ($l && $::NO_SEGMENTED) { |
562 |
root |
1.56 |
my $timeout = $::NOW + 15; |
563 |
root |
1.58 |
while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
564 |
root |
1.56 |
if ($timeout <= $::NOW) { |
565 |
root |
1.81 |
$self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
566 |
root |
1.56 |
#$self->err_segmented_download; |
567 |
root |
1.29 |
} else { |
568 |
root |
1.46 |
$httpevent->wait; |
569 |
root |
1.29 |
} |
570 |
root |
1.4 |
} |
571 |
|
|
} |
572 |
|
|
|
573 |
root |
1.1 |
$hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
574 |
|
|
@code = (206, "partial content"); |
575 |
|
|
$length = $h - $l + 1; |
576 |
|
|
|
577 |
|
|
ignore: |
578 |
|
|
} else { |
579 |
|
|
($l, $h) = (0, $length - 1); |
580 |
|
|
} |
581 |
|
|
|
582 |
root |
1.9 |
$self->{path} =~ /\.([^.]+)$/; |
583 |
|
|
$hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
584 |
root |
1.1 |
$hdr->{"Content-Length"} = $length; |
585 |
|
|
|
586 |
root |
1.81 |
$self->response (@code, $hdr, ""); |
587 |
root |
1.1 |
|
588 |
|
|
if ($self->{method} eq "GET") { |
589 |
root |
1.32 |
$self->{time} = $::NOW; |
590 |
root |
1.71 |
$self->{written} = 0; |
591 |
root |
1.32 |
|
592 |
root |
1.81 |
open my $fh, "<", $self->{path} |
593 |
root |
1.1 |
or die "$self->{path}: late open failure ($!)"; |
594 |
|
|
|
595 |
|
|
$h -= $l - 1; |
596 |
|
|
|
597 |
root |
1.81 |
my $transfer = $queue->start_transfer ($h); |
598 |
root |
1.51 |
my $locked; |
599 |
root |
1.48 |
my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
600 |
root |
1.19 |
|
601 |
root |
1.1 |
while ($h > 0) { |
602 |
root |
1.51 |
unless ($locked) { |
603 |
root |
1.81 |
if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
604 |
root |
1.48 |
$bufsize = $::BUFSIZE; |
605 |
|
|
$self->{time} = $::NOW; |
606 |
root |
1.71 |
$self->{written} = 0; |
607 |
root |
1.48 |
} |
608 |
root |
1.56 |
} |
609 |
|
|
|
610 |
|
|
if ($blocked{$self->{remote_id}}) { |
611 |
|
|
$self->{h}{connection} = "close"; |
612 |
root |
1.59 |
die bless {}, err::; |
613 |
root |
1.48 |
} |
614 |
|
|
|
615 |
root |
1.80 |
Coro::AIO::aio_read $fh, $l, ($h > $bufsize ? $bufsize : $h), my $buf, 0 |
616 |
root |
1.79 |
or last; |
617 |
root |
1.67 |
|
618 |
root |
1.79 |
$tbf->request (length $buf); |
619 |
root |
1.87 |
my $w = $self->{fh}->syswrite ($buf) |
620 |
root |
1.1 |
or last; |
621 |
root |
1.11 |
$::written += $w; |
622 |
|
|
$self->{written} += $w; |
623 |
root |
1.80 |
$l += $w; |
624 |
root |
1.1 |
} |
625 |
root |
1.32 |
|
626 |
|
|
close $fh; |
627 |
root |
1.1 |
} |
628 |
root |
1.7 |
} |
629 |
|
|
|
630 |
root |
1.78 |
1 |
631 |
root |
1.79 |
|