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/cvs/deliantra/server/ext/http.ext
Revision: 1.8
Committed: Wed Oct 31 11:19:30 2012 UTC (11 years, 6 months ago) by root
Branch: MAIN
Changes since 1.7: +35 -13 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl # mandatory
2
3 # http server on base port
4
5 use Coro::AnyEvent;
6
7 sub send {
8 my $self = $_[0];
9
10 $self->{wbuf} .= $_[1];
11
12 $self->{ww} ||= AE::io $self->{fh}, 1, sub {
13 my $len = syswrite $self->{fh}, $self->{wbuf};
14 substr $self->{wbuf}, 0, $len, "";
15
16 delete $self->{ww} unless length $self->{wbuf};
17 };
18 }
19
20 sub fatal {
21 my ($self) = @_;
22
23 $self->send ("HTTP/1.1 500 internal error\015\012");
24 delete $self->{rw};
25 }
26
27 sub respond {
28 $_[0]->send ("HTTP/1.1 $_[1]\015\012content-length: " . (0 + length $_[2]) . "\015\012$_[3]\015\012$_[2]");
29 }
30
31 my $cache_headers = "cache-control: max-age=8640000\015\012"
32 . "etag: \"0\"\015\012";
33
34 sub content_type {
35 return "content-type: image/png\015\012" if $_[0] =~ /^\x89PNG/;
36 return "content-type: image/jpeg\015\012" if $_[0] =~ /^......JFIF/s;
37 return "content-type: audio/wav\015\012" if $_[0] =~ /^RIFF/;
38 return "content-type: audio/x-ogg\015\012" if $_[0] =~ /^OggS/;
39
40 "content-type: text/plain\015\012"
41 }
42
43 sub handle_req {
44 my ($self) = @_;
45
46 while ($self->{rbuf} =~ s/^( ( [^\015]+ | . )+? )\015\012\015\012//xs) {
47 my $req = $1;
48
49 # we ignore headers atm.
50
51 $req =~ s%^GET (\S+) HTTP/[0-9.]+\015\012%%
52 or return $self->fatal;
53
54 my $uri = $1;
55
56 $uri =~ s%^http://[^/]*%%i; # just in case
57
58 cf::debug "HTTP GET: $self->{id} $uri";
59
60 if ($uri =~ m%^/(M?)([0-9a-f]+)$%) { # faces
61 my $want_meta = $1;
62 my $idx = $cf::FACEHASH{pack "H*", $2};
63
64 $idx
65 or do { $self->respond ("404 illegal face name"), next };
66
67 if ($req =~ /if-none-match/i) { # dirtiest hack evar
68 $self->respond ("304 not modified", "", $cache_headers);
69 next;
70 }
71
72 my $type = cf::face::get_type $idx, 1;
73 my $data = cf::face::get_data $idx, 1;
74
75 (my $meta, $data) = unpack "(w/a*)*", $data
76 if $type & 1;
77
78 if ($want_meta) {
79 if ($type & 1) {
80 $self->respond ("200 OK", $meta, "content-type: text/plain\015\012" . $cache_headers);
81 } else {
82 $self->respond ("404 type $type has no metadata");
83 }
84 } else {
85 $self->respond ("200 OK", $data, (content_type $data) . $cache_headers);
86 }
87
88 } elsif ($uri eq "/debug") { # for debugging
89 my $body = "<html><body>";
90
91 for my $type (6, 5, 4, 3, 2, 1, 0) {
92 $body .= "<h1>$type</h1>";
93
94 for (1 .. cf::face::faces_size - 1) {
95 next if $type != cf::face::get_type $_;
96 my $name = cf::face::get_name $_;
97 my $id = unpack "H*", cf::face::get_chksum $_, 1;
98 $body .= "<a href='$id'>$name ($id)</a>";
99 $body .= " <a href='M$id'>(meta)</a>" if $type & 1;
100 $body .= "<br>";
101 }
102 }
103
104 $body .= "</body></html>";
105
106 $self->respond ("200 OK", $body, "Content-Type: text/html\015\012");
107 } else {
108 $self->respond ("404 not found");
109 }
110 }
111 }
112
113 # dirty hack: called directly from tcp.ext
114 sub server {
115 my $self = bless {
116 id => $_[0],
117 fh => $_[1],
118 rbuf => $_[2],
119 wbuf => "",
120 };
121
122 $self->{rw} = AE::io $self->{fh}, 0, sub {
123 my $len = sysread $self->{fh}, $self->{rbuf}, 4096, length $self->{rbuf};
124
125 if ($len == 0) {
126 delete $self->{rw};
127 } else {
128 $self->handle_req;
129
130 delete $self->{rw} if length $self->{rbuf} > 8192; # headers too long
131 }
132 };
133
134 $self->handle_req; # in the unlikely case of the buffer already forming a valid request
135 }
136
137 cf::register_exticmd http_faceurl => sub {
138 my ($ns) = @_;
139
140 "/"
141 };
142