1 |
root |
1.1 |
use Coro; |
2 |
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use Coro::Semaphore; |
3 |
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use Coro::Event; |
4 |
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use Coro::Socket; |
5 |
root |
1.44 |
use Coro::Signal; |
6 |
root |
1.1 |
|
7 |
root |
1.32 |
use HTTP::Date; |
8 |
root |
1.47 |
use POSIX (); |
9 |
root |
1.32 |
|
10 |
root |
1.63 |
use Compress::Zlib (); |
11 |
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|
12 |
root |
1.1 |
no utf8; |
13 |
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use bytes; |
14 |
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15 |
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# at least on my machine, this thingy serves files |
16 |
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# quite a bit faster than apache, ;) |
17 |
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# and quite a bit slower than thttpd :( |
18 |
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19 |
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$SIG{PIPE} = 'IGNORE'; |
20 |
root |
1.27 |
|
21 |
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our $accesslog; |
22 |
root |
1.56 |
our $errorlog; |
23 |
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24 |
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our $NOW; |
25 |
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our $HTTP_NOW; |
26 |
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|
27 |
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Event->timer(interval => 1, hard => 1, cb => sub { |
28 |
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$NOW = time; |
29 |
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$HTTP_NOW = time2str $NOW; |
30 |
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})->now; |
31 |
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32 |
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if ($ERROR_LOG) { |
33 |
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use IO::Handle; |
34 |
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open $errorlog, ">>$ERROR_LOG" |
35 |
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or die "$ERROR_LOG: $!"; |
36 |
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$errorlog->autoflush(1); |
37 |
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} |
38 |
root |
1.27 |
|
39 |
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if ($ACCESS_LOG) { |
40 |
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use IO::Handle; |
41 |
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open $accesslog, ">>$ACCESS_LOG" |
42 |
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or die "$ACCESS_LOG: $!"; |
43 |
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$accesslog->autoflush(1); |
44 |
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} |
45 |
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|
46 |
root |
1.1 |
sub slog { |
47 |
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my $level = shift; |
48 |
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my $format = shift; |
49 |
root |
1.56 |
my $NOW = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW); |
50 |
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printf "$NOW: $format\n", @_; |
51 |
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printf $errorlog "$NOW: $format\n", @_ if $errorlog; |
52 |
root |
1.1 |
} |
53 |
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|
54 |
root |
1.32 |
our $connections = new Coro::Semaphore $MAX_CONNECTS || 250; |
55 |
root |
1.44 |
our $httpevent = new Coro::Signal; |
56 |
root |
1.34 |
|
57 |
root |
1.63 |
our $queue_file = new transferqueue $MAX_TRANSFERS; |
58 |
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our $queue_index = new transferqueue 10; |
59 |
root |
1.62 |
|
60 |
root |
1.69 |
our $tbf_top = new tbf rate => 150000; |
61 |
root |
1.67 |
|
62 |
root |
1.68 |
my $unused_bytes = 0; |
63 |
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my $unused_last = time; |
64 |
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65 |
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sub unused_bandwidth { |
66 |
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$unused_bytes += $_[0]; |
67 |
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if ($unused_last < $NOW - 30 && $unused_bytes / ($NOW - $unused_last) > 50000) { |
68 |
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$unused_last = $NOW; |
69 |
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$unused_bytes = 0; |
70 |
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$queue_file->force_wake_next; |
71 |
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slog 1, "forced filetransfer due to unused bandwidth"; |
72 |
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} |
73 |
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} |
74 |
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75 |
root |
1.6 |
my @newcons; |
76 |
root |
1.1 |
my @pool; |
77 |
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|
78 |
root |
1.2 |
# one "execution thread" |
79 |
root |
1.1 |
sub handler { |
80 |
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while () { |
81 |
root |
1.38 |
if (@newcons) { |
82 |
root |
1.1 |
eval { |
83 |
root |
1.38 |
conn->new(@{pop @newcons})->handle; |
84 |
root |
1.1 |
}; |
85 |
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slog 1, "$@" if $@ && !ref $@; |
86 |
root |
1.56 |
|
87 |
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$httpevent->broadcast; # only for testing, but doesn't matter much |
88 |
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89 |
root |
1.1 |
$connections->up; |
90 |
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} else { |
91 |
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last if @pool >= $MAX_POOL; |
92 |
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push @pool, $Coro::current; |
93 |
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schedule; |
94 |
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} |
95 |
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} |
96 |
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} |
97 |
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98 |
root |
1.40 |
sub listen_on { |
99 |
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my $listen = $_[0]; |
100 |
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101 |
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push @listen_sockets, $listen; |
102 |
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103 |
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# the "main thread" |
104 |
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async { |
105 |
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slog 1, "accepting connections"; |
106 |
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while () { |
107 |
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$connections->down; |
108 |
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push @newcons, [$listen->accept]; |
109 |
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#slog 3, "accepted @$connections ".scalar(@pool); |
110 |
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if (@pool) { |
111 |
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(pop @pool)->ready; |
112 |
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} else { |
113 |
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async \&handler; |
114 |
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} |
115 |
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116 |
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} |
117 |
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}; |
118 |
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} |
119 |
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|
120 |
root |
1.4 |
my $http_port = new Coro::Socket |
121 |
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LocalAddr => $SERVER_HOST, |
122 |
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LocalPort => $SERVER_PORT, |
123 |
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ReuseAddr => 1, |
124 |
root |
1.13 |
Listen => 50, |
125 |
root |
1.4 |
or die "unable to start server"; |
126 |
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|
127 |
root |
1.40 |
listen_on $http_port; |
128 |
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|
129 |
root |
1.41 |
if ($SERVER_PORT2) { |
130 |
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my $http_port = new Coro::Socket |
131 |
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LocalAddr => $SERVER_HOST, |
132 |
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LocalPort => $SERVER_PORT2, |
133 |
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ReuseAddr => 1, |
134 |
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Listen => 50, |
135 |
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or die "unable to start server"; |
136 |
root |
1.40 |
|
137 |
root |
1.41 |
listen_on $http_port; |
138 |
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} |
139 |
root |
1.4 |
|
140 |
root |
1.1 |
package conn; |
141 |
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|
142 |
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use Socket; |
143 |
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use HTTP::Date; |
144 |
root |
1.2 |
use Convert::Scalar 'weaken'; |
145 |
root |
1.16 |
use Linux::AIO; |
146 |
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|
147 |
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Linux::AIO::min_parallel $::AIO_PARALLEL; |
148 |
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|
149 |
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Event->io(fd => Linux::AIO::poll_fileno, |
150 |
root |
1.17 |
poll => 'r', async => 1, |
151 |
root |
1.21 |
cb => \&Linux::AIO::poll_cb); |
152 |
root |
1.16 |
|
153 |
root |
1.26 |
our %conn; # $conn{ip}{self} => connobj |
154 |
|
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our %uri; # $uri{ip}{uri}{self} |
155 |
root |
1.3 |
our %blocked; |
156 |
root |
1.9 |
our %mimetype; |
157 |
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|
158 |
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sub read_mimetypes { |
159 |
|
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local *M; |
160 |
root |
1.10 |
if (open M, "<mime_types") { |
161 |
root |
1.9 |
while (<M>) { |
162 |
|
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if (/^([^#]\S+)\t+(\S+)$/) { |
163 |
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$mimetype{lc $1} = $2; |
164 |
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} |
165 |
|
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} |
166 |
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} else { |
167 |
root |
1.10 |
print "cannot open mime_types\n"; |
168 |
root |
1.9 |
} |
169 |
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} |
170 |
root |
1.1 |
|
171 |
root |
1.10 |
read_mimetypes; |
172 |
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|
173 |
root |
1.1 |
sub new { |
174 |
|
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my $class = shift; |
175 |
root |
1.42 |
my $fh = shift; |
176 |
root |
1.6 |
my $peername = shift; |
177 |
root |
1.2 |
my $self = bless { fh => $fh }, $class; |
178 |
root |
1.6 |
my (undef, $iaddr) = unpack_sockaddr_in $peername |
179 |
|
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or $self->err(500, "unable to decode peername"); |
180 |
root |
1.7 |
|
181 |
root |
1.50 |
$self->{remote_addr} = |
182 |
|
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$self->{remote_id} = inet_ntoa $iaddr; |
183 |
root |
1.60 |
|
184 |
root |
1.11 |
$self->{time} = $::NOW; |
185 |
root |
1.2 |
|
186 |
root |
1.49 |
weaken ($Coro::current->{conn} = $self); |
187 |
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|
188 |
root |
1.13 |
$::conns++; |
189 |
root |
1.53 |
$::maxconns = $::conns if $::conns > $::maxconns; |
190 |
root |
1.13 |
|
191 |
root |
1.2 |
$self; |
192 |
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} |
193 |
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194 |
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sub DESTROY { |
195 |
root |
1.56 |
#my $self = shift; |
196 |
root |
1.13 |
$::conns--; |
197 |
root |
1.1 |
} |
198 |
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|
199 |
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sub slog { |
200 |
root |
1.4 |
my $self = shift; |
201 |
root |
1.50 |
main::slog($_[0], "$self->{remote_id}> $_[1]"); |
202 |
root |
1.1 |
} |
203 |
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|
204 |
root |
1.4 |
sub response { |
205 |
root |
1.1 |
my ($self, $code, $msg, $hdr, $content) = @_; |
206 |
root |
1.17 |
my $res = "HTTP/1.1 $code $msg\015\012"; |
207 |
root |
1.63 |
my $GZ = ""; |
208 |
root |
1.1 |
|
209 |
root |
1.46 |
if (exists $hdr->{Connection}) { |
210 |
|
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if ($hdr->{Connection} =~ /close/) { |
211 |
|
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$self->{h}{connection} = "close" |
212 |
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} |
213 |
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} else { |
214 |
|
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if ($self->{version} < 1.1) { |
215 |
|
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if ($self->{h}{connection} =~ /keep-alive/i) { |
216 |
|
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$hdr->{Connection} = "Keep-Alive"; |
217 |
|
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} else { |
218 |
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$self->{h}{connection} = "close" |
219 |
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} |
220 |
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} |
221 |
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} |
222 |
root |
1.28 |
|
223 |
root |
1.63 |
if ($self->{method} ne "HEAD" |
224 |
|
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&& $self->{h}{"accept-encoding"} =~ /\bgzip\b/ |
225 |
root |
1.64 |
&& 400 < length $content |
226 |
root |
1.63 |
&& $hdr->{"Content-Length"} == length $content |
227 |
|
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&& !exists $hdr->{"Content-Encoding"} |
228 |
|
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) { |
229 |
|
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my $orig = length $content; |
230 |
|
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$hdr->{"Content-Encoding"} = "gzip"; |
231 |
|
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$content = Compress::Zlib::memGzip(\$content); |
232 |
|
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$hdr->{"Content-Length"} = length $content; |
233 |
|
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$GZ = sprintf "GZ%02d", 100 - 100*((length $content) / $orig); |
234 |
|
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} |
235 |
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|
236 |
root |
1.32 |
$res .= "Date: $HTTP_NOW\015\012"; |
237 |
root |
1.1 |
|
238 |
|
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while (my ($h, $v) = each %$hdr) { |
239 |
|
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$res .= "$h: $v\015\012" |
240 |
|
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} |
241 |
root |
1.10 |
$res .= "\015\012"; |
242 |
root |
1.4 |
|
243 |
root |
1.13 |
$res .= $content if defined $content and $self->{method} ne "HEAD"; |
244 |
root |
1.1 |
|
245 |
root |
1.65 |
my $log = (POSIX::strftime "%Y-%m-%d %H:%M:%S", gmtime $::NOW). |
246 |
root |
1.63 |
" $self->{remote_id} \"$self->{uri}\" $code ".$hdr->{"Content-Length"}.$GZ. |
247 |
root |
1.50 |
" \"$self->{h}{referer}\"\n"; |
248 |
root |
1.27 |
|
249 |
root |
1.65 |
print $::accesslog $log if $::accesslog; |
250 |
root |
1.27 |
print STDERR $log; |
251 |
root |
1.2 |
|
252 |
root |
1.67 |
$tbf_top->request(length $res, 1e6); |
253 |
|
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$self->{written} += print {$self->{fh}} $res; |
254 |
root |
1.1 |
} |
255 |
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|
256 |
|
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sub err { |
257 |
|
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my $self = shift; |
258 |
|
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my ($code, $msg, $hdr, $content) = @_; |
259 |
|
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|
260 |
|
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unless (defined $content) { |
261 |
root |
1.35 |
$content = "$code $msg\n"; |
262 |
root |
1.1 |
$hdr->{"Content-Type"} = "text/plain"; |
263 |
|
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$hdr->{"Content-Length"} = length $content; |
264 |
|
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} |
265 |
root |
1.17 |
$hdr->{"Connection"} = "close"; |
266 |
root |
1.1 |
|
267 |
root |
1.4 |
$self->response($code, $msg, $hdr, $content); |
268 |
root |
1.1 |
|
269 |
|
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die bless {}, err::; |
270 |
|
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} |
271 |
|
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|
272 |
|
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sub handle { |
273 |
|
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my $self = shift; |
274 |
|
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my $fh = $self->{fh}; |
275 |
|
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|
276 |
root |
1.29 |
my $host; |
277 |
|
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|
278 |
root |
1.17 |
$fh->timeout($::REQ_TIMEOUT); |
279 |
|
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while() { |
280 |
|
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$self->{reqs}++; |
281 |
root |
1.1 |
|
282 |
|
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# read request and parse first line |
283 |
|
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my $req = $fh->readline("\015\012\015\012"); |
284 |
|
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|
285 |
root |
1.17 |
unless (defined $req) { |
286 |
|
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if (exists $self->{version}) { |
287 |
|
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last; |
288 |
|
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} else { |
289 |
|
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$self->err(408, "request timeout"); |
290 |
|
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} |
291 |
|
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} |
292 |
|
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|
293 |
|
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$self->{h} = {}; |
294 |
root |
1.1 |
|
295 |
root |
1.17 |
$fh->timeout($::RES_TIMEOUT); |
296 |
root |
1.3 |
|
297 |
root |
1.1 |
$req =~ /^(?:\015\012)? |
298 |
|
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(GET|HEAD) \040+ |
299 |
|
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([^\040]+) \040+ |
300 |
|
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HTTP\/([0-9]+\.[0-9]+) |
301 |
|
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\015\012/gx |
302 |
root |
1.14 |
or $self->err(405, "method not allowed", { Allow => "GET,HEAD" }); |
303 |
root |
1.1 |
|
304 |
|
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$self->{method} = $1; |
305 |
|
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$self->{uri} = $2; |
306 |
root |
1.17 |
$self->{version} = $3; |
307 |
|
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|
308 |
root |
1.20 |
$3 =~ /^1\./ |
309 |
root |
1.17 |
or $self->err(506, "http protocol version $3 not supported"); |
310 |
root |
1.1 |
|
311 |
|
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# parse headers |
312 |
|
|
{ |
313 |
|
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my (%hdr, $h, $v); |
314 |
|
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|
315 |
|
|
$hdr{lc $1} .= ",$2" |
316 |
|
|
while $req =~ /\G |
317 |
|
|
([^:\000-\040]+): |
318 |
root |
1.66 |
[\011\040]* |
319 |
|
|
((?: [^\015\012]+ | \015\012[\011\040] )*) |
320 |
root |
1.1 |
\015\012 |
321 |
|
|
/gxc; |
322 |
|
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|
323 |
|
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$req =~ /\G\015\012$/ |
324 |
|
|
or $self->err(400, "bad request"); |
325 |
|
|
|
326 |
|
|
$self->{h}{$h} = substr $v, 1 |
327 |
|
|
while ($h, $v) = each %hdr; |
328 |
|
|
} |
329 |
|
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|
330 |
root |
1.36 |
# remote id should be unique per user |
331 |
|
|
my $id = $self->{remote_addr}; |
332 |
|
|
|
333 |
|
|
if (exists $self->{h}{"client-ip"}) { |
334 |
|
|
$id .= "[".$self->{h}{"client-ip"}."]"; |
335 |
|
|
} elsif (exists $self->{h}{"x-forwarded-for"}) { |
336 |
|
|
$id .= "[".$self->{h}{"x-forwarded-for"}."]"; |
337 |
|
|
} |
338 |
|
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|
339 |
|
|
$self->{remote_id} = $id; |
340 |
|
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|
341 |
root |
1.56 |
weaken (local $conn{$id}{$self*1} = $self); |
342 |
|
|
|
343 |
root |
1.36 |
if ($blocked{$id}) { |
344 |
root |
1.56 |
$self->err_blocked |
345 |
|
|
if $blocked{$id}[0] > $::NOW; |
346 |
root |
1.36 |
|
347 |
|
|
delete $blocked{$id}; |
348 |
|
|
} |
349 |
|
|
|
350 |
root |
1.29 |
# find out server name and port |
351 |
|
|
if ($self->{uri} =~ s/^http:\/\/([^\/?#]*)//i) { |
352 |
|
|
$host = $1; |
353 |
|
|
} else { |
354 |
|
|
$host = $self->{h}{host}; |
355 |
|
|
} |
356 |
|
|
|
357 |
|
|
if (defined $host) { |
358 |
|
|
$self->{server_port} = $host =~ s/:([0-9]+)$// ? $1 : 80; |
359 |
|
|
} else { |
360 |
|
|
($self->{server_port}, $host) |
361 |
root |
1.43 |
= unpack_sockaddr_in $self->{fh}->sockname |
362 |
root |
1.29 |
or $self->err(500, "unable to get socket name"); |
363 |
|
|
$host = inet_ntoa $host; |
364 |
|
|
} |
365 |
|
|
|
366 |
|
|
$self->{server_name} = $host; |
367 |
|
|
|
368 |
root |
1.56 |
weaken (local $uri{$id}{$self->{uri}}{$self*1} = $self); |
369 |
root |
1.1 |
|
370 |
root |
1.24 |
eval { |
371 |
|
|
$self->map_uri; |
372 |
|
|
$self->respond; |
373 |
|
|
}; |
374 |
|
|
|
375 |
|
|
die if $@ && !ref $@; |
376 |
root |
1.17 |
|
377 |
root |
1.56 |
last if $self->{h}{connection} =~ /close/i; |
378 |
root |
1.17 |
|
379 |
root |
1.44 |
$httpevent->broadcast; |
380 |
|
|
|
381 |
root |
1.17 |
$fh->timeout($::PER_TIMEOUT); |
382 |
|
|
} |
383 |
root |
1.1 |
} |
384 |
|
|
|
385 |
root |
1.56 |
sub block { |
386 |
|
|
my $self = shift; |
387 |
|
|
|
388 |
|
|
$blocked{$self->{remote_id}} = [$::NOW + $_[0], $_[1]]; |
389 |
|
|
$self->slog(2, "blocked ip $self->{remote_id}"); |
390 |
|
|
$self->err_blocked; |
391 |
|
|
} |
392 |
|
|
|
393 |
root |
1.1 |
# uri => path mapping |
394 |
|
|
sub map_uri { |
395 |
|
|
my $self = shift; |
396 |
root |
1.29 |
my $host = $self->{server_name}; |
397 |
root |
1.1 |
my $uri = $self->{uri}; |
398 |
|
|
|
399 |
|
|
# some massaging, also makes it more secure |
400 |
|
|
$uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
401 |
|
|
$uri =~ s%//+%/%g; |
402 |
|
|
$uri =~ s%/\.(?=/|$)%%g; |
403 |
|
|
1 while $uri =~ s%/[^/]+/\.\.(?=/|$)%%; |
404 |
|
|
|
405 |
|
|
$uri =~ m%^/?\.\.(?=/|$)% |
406 |
|
|
and $self->err(400, "bad request"); |
407 |
|
|
|
408 |
|
|
$self->{name} = $uri; |
409 |
|
|
|
410 |
|
|
# now do the path mapping |
411 |
|
|
$self->{path} = "$::DOCROOT/$host$uri"; |
412 |
root |
1.7 |
|
413 |
|
|
$self->access_check; |
414 |
root |
1.1 |
} |
415 |
|
|
|
416 |
|
|
sub _cgi { |
417 |
|
|
my $self = shift; |
418 |
|
|
my $path = shift; |
419 |
|
|
my $fh; |
420 |
|
|
|
421 |
|
|
# no two-way xxx supported |
422 |
|
|
if (0 == fork) { |
423 |
|
|
open STDOUT, ">&".fileno($self->{fh}); |
424 |
|
|
if (chdir $::DOCROOT) { |
425 |
|
|
$ENV{SERVER_SOFTWARE} = "thttpd-myhttpd"; # we are thttpd-alike |
426 |
root |
1.29 |
$ENV{HTTP_HOST} = $self->{server_name}; |
427 |
|
|
$ENV{HTTP_PORT} = $self->{server_port}; |
428 |
root |
1.1 |
$ENV{SCRIPT_NAME} = $self->{name}; |
429 |
root |
1.10 |
exec $path; |
430 |
root |
1.1 |
} |
431 |
|
|
Coro::State::_exit(0); |
432 |
|
|
} else { |
433 |
root |
1.29 |
die; |
434 |
root |
1.1 |
} |
435 |
|
|
} |
436 |
|
|
|
437 |
root |
1.29 |
sub server_hostport { |
438 |
|
|
$_[0]{server_port} == 80 |
439 |
|
|
? $_[0]{server_name} |
440 |
|
|
: "$_[0]{server_name}:$_[0]{server_port}"; |
441 |
|
|
} |
442 |
|
|
|
443 |
root |
1.1 |
sub respond { |
444 |
|
|
my $self = shift; |
445 |
|
|
my $path = $self->{path}; |
446 |
|
|
|
447 |
root |
1.49 |
if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
448 |
|
|
if ($::internal{$1}) { |
449 |
|
|
$::internal{$1}->($self); |
450 |
|
|
} else { |
451 |
|
|
$self->err(404, "not found"); |
452 |
|
|
} |
453 |
|
|
} else { |
454 |
root |
1.1 |
|
455 |
root |
1.49 |
stat $path |
456 |
|
|
or $self->err(404, "not found"); |
457 |
root |
1.10 |
|
458 |
root |
1.49 |
$self->{stat} = [stat _]; |
459 |
root |
1.1 |
|
460 |
root |
1.49 |
# idiotic netscape sends idiotic headers AGAIN |
461 |
|
|
my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
462 |
|
|
? str2time $1 : 0; |
463 |
|
|
|
464 |
|
|
if (-d _ && -r _) { |
465 |
|
|
# directory |
466 |
|
|
if ($path !~ /\/$/) { |
467 |
|
|
# create a redirect to get the trailing "/" |
468 |
|
|
# we don't try to avoid the :80 |
469 |
|
|
$self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
470 |
root |
1.25 |
} else { |
471 |
root |
1.49 |
$ims < $self->{stat}[9] |
472 |
|
|
or $self->err(304, "not modified"); |
473 |
|
|
|
474 |
|
|
if (-r "$path/index.html") { |
475 |
|
|
# replace directory "size" by index.html filesize |
476 |
root |
1.55 |
$self->{stat} = [stat ($self->{path} .= "/index.html")]; |
477 |
root |
1.67 |
$self->handle_file($queue_index, $tbf_top); |
478 |
root |
1.49 |
} else { |
479 |
|
|
$self->handle_dir; |
480 |
|
|
} |
481 |
root |
1.1 |
} |
482 |
root |
1.49 |
} elsif (-f _ && -r _) { |
483 |
|
|
-x _ and $self->err(403, "forbidden"); |
484 |
root |
1.56 |
|
485 |
root |
1.58 |
if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
486 |
root |
1.56 |
my $timeout = $::NOW + 10; |
487 |
root |
1.58 |
while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
488 |
root |
1.56 |
if ($timeout < $::NOW) { |
489 |
|
|
$self->block($::BLOCKTIME, "too many connections"); |
490 |
|
|
} else { |
491 |
|
|
$httpevent->wait; |
492 |
|
|
} |
493 |
|
|
} |
494 |
|
|
} |
495 |
|
|
|
496 |
root |
1.67 |
$self->handle_file($queue_file, $tbf_top); |
497 |
root |
1.49 |
} else { |
498 |
|
|
$self->err(404, "not found"); |
499 |
root |
1.1 |
} |
500 |
|
|
} |
501 |
|
|
} |
502 |
|
|
|
503 |
|
|
sub handle_dir { |
504 |
|
|
my $self = shift; |
505 |
root |
1.10 |
my $idx = $self->diridx; |
506 |
|
|
|
507 |
|
|
$self->response(200, "ok", |
508 |
|
|
{ |
509 |
|
|
"Content-Type" => "text/html", |
510 |
|
|
"Content-Length" => length $idx, |
511 |
root |
1.55 |
"Last-Modified" => time2str ($self->{stat}[9]), |
512 |
root |
1.10 |
}, |
513 |
|
|
$idx); |
514 |
root |
1.1 |
} |
515 |
|
|
|
516 |
|
|
sub handle_file { |
517 |
root |
1.67 |
my ($self, $queue, $tbf) = @_; |
518 |
root |
1.34 |
my $length = $self->{stat}[7]; |
519 |
root |
1.1 |
my $hdr = { |
520 |
|
|
"Last-Modified" => time2str ((stat _)[9]), |
521 |
|
|
}; |
522 |
|
|
|
523 |
|
|
my @code = (200, "ok"); |
524 |
|
|
my ($l, $h); |
525 |
|
|
|
526 |
|
|
if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
527 |
|
|
for (split /,/, $1) { |
528 |
|
|
if (/^-(\d+)$/) { |
529 |
|
|
($l, $h) = ($length - $1, $length - 1); |
530 |
|
|
} elsif (/^(\d+)-(\d*)$/) { |
531 |
|
|
($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
532 |
|
|
} else { |
533 |
|
|
($l, $h) = (0, $length - 1); |
534 |
|
|
goto ignore; |
535 |
|
|
} |
536 |
root |
1.26 |
goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
537 |
root |
1.1 |
} |
538 |
|
|
$hdr->{"Content-Range"} = "bytes */$length"; |
539 |
root |
1.24 |
$hdr->{"Content-Length"} = $length; |
540 |
|
|
$self->err(416, "not satisfiable", $hdr, ""); |
541 |
root |
1.1 |
|
542 |
|
|
satisfiable: |
543 |
root |
1.4 |
# check for segmented downloads |
544 |
root |
1.10 |
if ($l && $::NO_SEGMENTED) { |
545 |
root |
1.56 |
my $timeout = $::NOW + 15; |
546 |
root |
1.58 |
while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
547 |
root |
1.56 |
if ($timeout <= $::NOW) { |
548 |
|
|
$self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
549 |
|
|
#$self->err_segmented_download; |
550 |
root |
1.29 |
} else { |
551 |
root |
1.46 |
$httpevent->wait; |
552 |
root |
1.29 |
} |
553 |
root |
1.4 |
} |
554 |
|
|
} |
555 |
|
|
|
556 |
root |
1.1 |
$hdr->{"Content-Range"} = "bytes $l-$h/$length"; |
557 |
|
|
@code = (206, "partial content"); |
558 |
|
|
$length = $h - $l + 1; |
559 |
|
|
|
560 |
|
|
ignore: |
561 |
|
|
} else { |
562 |
|
|
($l, $h) = (0, $length - 1); |
563 |
|
|
} |
564 |
|
|
|
565 |
root |
1.9 |
$self->{path} =~ /\.([^.]+)$/; |
566 |
|
|
$hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
567 |
root |
1.1 |
$hdr->{"Content-Length"} = $length; |
568 |
|
|
|
569 |
root |
1.4 |
$self->response(@code, $hdr, ""); |
570 |
root |
1.1 |
|
571 |
|
|
if ($self->{method} eq "GET") { |
572 |
root |
1.32 |
$self->{time} = $::NOW; |
573 |
|
|
|
574 |
root |
1.49 |
my $current = $Coro::current; |
575 |
root |
1.35 |
|
576 |
root |
1.49 |
my ($fh, $buf, $r); |
577 |
root |
1.32 |
|
578 |
root |
1.1 |
open $fh, "<", $self->{path} |
579 |
|
|
or die "$self->{path}: late open failure ($!)"; |
580 |
|
|
|
581 |
|
|
$h -= $l - 1; |
582 |
|
|
|
583 |
root |
1.49 |
if (0) { # !AIO |
584 |
root |
1.19 |
if ($l) { |
585 |
|
|
sysseek $fh, $l, 0; |
586 |
|
|
} |
587 |
|
|
} |
588 |
root |
1.48 |
|
589 |
root |
1.56 |
my $transfer = $queue->start_transfer($h); |
590 |
root |
1.51 |
my $locked; |
591 |
root |
1.48 |
my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
592 |
root |
1.19 |
|
593 |
root |
1.1 |
while ($h > 0) { |
594 |
root |
1.51 |
unless ($locked) { |
595 |
|
|
if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
596 |
root |
1.48 |
$bufsize = $::BUFSIZE; |
597 |
|
|
$self->{time} = $::NOW; |
598 |
|
|
} |
599 |
root |
1.56 |
} |
600 |
|
|
|
601 |
|
|
if ($blocked{$self->{remote_id}}) { |
602 |
|
|
$self->{h}{connection} = "close"; |
603 |
root |
1.59 |
die bless {}, err::; |
604 |
root |
1.48 |
} |
605 |
|
|
|
606 |
root |
1.49 |
if (0) { # !AIO |
607 |
root |
1.48 |
sysread $fh, $buf, $h > $bufsize ? $bufsize : $h |
608 |
root |
1.19 |
or last; |
609 |
|
|
} else { |
610 |
root |
1.48 |
aio_read($fh, $l, ($h > $bufsize ? $bufsize : $h), |
611 |
root |
1.19 |
$buf, 0, sub { |
612 |
|
|
$r = $_[0]; |
613 |
root |
1.37 |
Coro::ready($current); |
614 |
root |
1.19 |
}); |
615 |
|
|
&Coro::schedule; |
616 |
|
|
last unless $r; |
617 |
|
|
} |
618 |
root |
1.67 |
|
619 |
|
|
$tbf->request(length $buf); |
620 |
root |
1.37 |
my $w = syswrite $self->{fh}, $buf |
621 |
root |
1.1 |
or last; |
622 |
root |
1.11 |
$::written += $w; |
623 |
|
|
$self->{written} += $w; |
624 |
root |
1.16 |
$l += $r; |
625 |
root |
1.1 |
} |
626 |
root |
1.32 |
|
627 |
|
|
close $fh; |
628 |
root |
1.1 |
} |
629 |
root |
1.7 |
} |
630 |
|
|
|
631 |
root |
1.2 |
1; |