| 1 |
#! perl # optional depends=tcp |
| 2 |
|
| 3 |
# http server |
| 4 |
|
| 5 |
sub send { |
| 6 |
my $self = $_[0]; |
| 7 |
|
| 8 |
$self->{wbuf} .= $_[1]; |
| 9 |
|
| 10 |
$self->{ww} ||= AE::io $self->{fh}, 1, sub { |
| 11 |
my $len = syswrite $self->{fh}, $self->{wbuf}; |
| 12 |
substr $self->{wbuf}, 0, $len, ""; |
| 13 |
|
| 14 |
delete $self->{ww} unless length $self->{wbuf}; |
| 15 |
}; |
| 16 |
} |
| 17 |
|
| 18 |
sub fatal { |
| 19 |
my ($self) = @_; |
| 20 |
|
| 21 |
$self->send ("HTTP/1.1 500 internal error\015\012"); |
| 22 |
delete $self->{rw}; |
| 23 |
} |
| 24 |
|
| 25 |
sub respond { |
| 26 |
$_[0]->send ("HTTP/1.1 $_[1]\015\012" |
| 27 |
. "content-length: " . (0 + length $_[2]) . "\015\012" |
| 28 |
. "access-control-allow-origin: *\015\012" |
| 29 |
. "$_[3]\015\012$_[2]"); |
| 30 |
} |
| 31 |
|
| 32 |
my $cache_headers = "cache-control: max-age=8640000\015\012" |
| 33 |
. "etag: \"0\"\015\012"; |
| 34 |
|
| 35 |
sub content_type { |
| 36 |
return "content-type: image/png\015\012" if $_[0] =~ /^\x89PNG/; |
| 37 |
return "content-type: image/jpeg\015\012" if $_[0] =~ /^......JFIF/s; |
| 38 |
return "content-type: audio/wav\015\012" if $_[0] =~ /^RIFF/; |
| 39 |
return "content-type: audio/ogg\015\012" if $_[0] =~ /^OggS/; |
| 40 |
|
| 41 |
"content-type: text/plain\015\012" |
| 42 |
} |
| 43 |
|
| 44 |
sub handle_req { |
| 45 |
my ($self) = @_; |
| 46 |
|
| 47 |
while ($self->{rbuf} =~ s/^( (?: [^\015]+ | . )+? )\015\012\015\012//xs) { |
| 48 |
my $req = $1; |
| 49 |
|
| 50 |
# we ignore headers atm. |
| 51 |
|
| 52 |
$req =~ m%^GET (\S+) HTTP/[0-9.]+\015\012%i |
| 53 |
or return $self->fatal; |
| 54 |
|
| 55 |
my $uri = $1; |
| 56 |
|
| 57 |
$uri =~ s%^http://[^/]*%%i; # just in case |
| 58 |
|
| 59 |
cf::debug "HTTP GET: $self->{id} $uri"; |
| 60 |
|
| 61 |
if ($uri =~ m%^/([0-9a-f]+)(M?)$%) { # faces |
| 62 |
my $want_meta = $2; |
| 63 |
my $idx = $cf::FACEHASH{pack "H*", $1}; |
| 64 |
|
| 65 |
$idx |
| 66 |
or do { $self->respond ("404 illegal face name"), next }; |
| 67 |
|
| 68 |
if ($req =~ /if-none-match/i) { # dirtiest hack evar |
| 69 |
$self->respond ("304 not modified", "", $cache_headers); |
| 70 |
next; |
| 71 |
} |
| 72 |
|
| 73 |
my $type = cf::face::get_type $idx, 1; |
| 74 |
my $data = cf::face::get_data $idx, 1; |
| 75 |
|
| 76 |
(my $meta, $data) = unpack "(w/a*)*", $data |
| 77 |
if $type & 1; |
| 78 |
|
| 79 |
if ($want_meta) { |
| 80 |
if ($type & 1) { |
| 81 |
$self->respond ("200 OK", $meta, "content-type: text/plain\015\012" . $cache_headers); |
| 82 |
} else { |
| 83 |
$self->respond ("404 type $type has no metadata"); |
| 84 |
} |
| 85 |
} else { |
| 86 |
$self->respond ("200 OK", $data, (content_type $data) . $cache_headers); |
| 87 |
} |
| 88 |
|
| 89 |
} elsif ($uri eq "/debug") { # for debugging |
| 90 |
my @body = "<html><body>"; |
| 91 |
|
| 92 |
for my $type (6, 5, 4, 3, 2, 1, 0) { |
| 93 |
push @body, "<h1>$type</h1>"; |
| 94 |
|
| 95 |
for (1 .. cf::face::faces_size - 1) { |
| 96 |
next if $type != cf::face::get_type $_; |
| 97 |
my $name = cf::face::get_name $_; |
| 98 |
my $id = unpack "H*", cf::face::get_chksum $_, 1; |
| 99 |
push @body, "$_ <a href='$id'>$name ($id)</a>"; |
| 100 |
push @body, " <a href='${id}M'>(meta)</a>" if $type & 1; |
| 101 |
push @body, "<br>"; |
| 102 |
} |
| 103 |
} |
| 104 |
|
| 105 |
push @body, "</body></html>"; |
| 106 |
|
| 107 |
$self->respond ("200 OK", (join "", @body), "content-type: text/html\015\012"); |
| 108 |
} elsif ($uri eq "/ws" && defined &ext::ws::server) { |
| 109 |
&ext::ws::server ($self->{id}, $self->{fh}, "$req\015\012\015\012$self->{rbuf}"); |
| 110 |
|
| 111 |
%$self = (); |
| 112 |
|
| 113 |
} elsif ($uri eq "/") { |
| 114 |
$self->respond ("302 hack", "", "location: http://cvs.schmorp.de/deliantra/html5client/client.html\015\012"); |
| 115 |
|
| 116 |
} else { |
| 117 |
$self->respond ("404 not found"); |
| 118 |
} |
| 119 |
} |
| 120 |
} |
| 121 |
|
| 122 |
our $DETECTOR = ext::tcp::register http => 64, sub { |
| 123 |
# regex avoids conflict with websockets, which use /ws |
| 124 |
m{^(?i:GET|HEAD|OPTIONS) \ (?! (?i:http://[^/]+)? /ws \ ) }x |
| 125 |
}, sub { |
| 126 |
my $self = bless { |
| 127 |
id => $_[0], |
| 128 |
fh => $_[1], |
| 129 |
rbuf => $_[2], |
| 130 |
wbuf => "", |
| 131 |
}; |
| 132 |
|
| 133 |
$self->{rw} = AE::io $self->{fh}, 0, sub { |
| 134 |
my $len = sysread $self->{fh}, $self->{rbuf}, 4096, length $self->{rbuf}; |
| 135 |
|
| 136 |
if ($len == 0) { |
| 137 |
delete $self->{rw}; |
| 138 |
} else { |
| 139 |
$self->handle_req; |
| 140 |
|
| 141 |
delete $self->{rw} if length $self->{rbuf} > 8192; # headers too long |
| 142 |
} |
| 143 |
}; |
| 144 |
|
| 145 |
$self->handle_req; # in the unlikely case of the buffer already forming a valid request |
| 146 |
}; |
| 147 |
|
| 148 |
cf::register_exticmd http_faceurl => sub { |
| 149 |
my ($ns) = @_; |
| 150 |
|
| 151 |
"/" |
| 152 |
}; |
| 153 |
|
