#! perl # mandatory # http server on base port use Coro::AnyEvent; sub send { my $self = $_[0]; $self->{wbuf} .= $_[1]; $self->{ww} ||= AE::io $self->{fh}, 1, sub { my $len = syswrite $self->{fh}, $self->{wbuf}; substr $self->{wbuf}, 0, $len, ""; delete $self->{ww} unless length $self->{wbuf}; }; } sub fatal { my ($self) = @_; $self->send ("HTTP/1.1 500 internal error\015\012"); delete $self->{rw}; } sub respond { $_[0]->send ("HTTP/1.1 $_[1]\015\012content-length: " . (0 + length $_[2]) . "\015\012$_[3]\015\012$_[2]"); } my $cache_headers = "cache-control: max-age=8640000\015\012" . "etag: \"0\"\015\012"; sub handle_req { my ($self) = @_; while ($self->{rbuf} =~ s/^( ( [^\015]+ | . )+? )\015\012\015\012//xs) { my $req = $1; # we ignore headers atm. $req =~ s%^GET (\S+) HTTP/[0-9.]+\015\012%% or return $self->fatal; my $uri = $1; $uri =~ s%^http://[^/]*%%i; # just in case cf::debug "HTTP GET: $self->{id} $uri"; if ($uri =~ m%^/([0-9a-f]+)$%) { # faces my $idx = $cf::FACEHASH{pack "H*", $1}; $idx or return $self->respond ("404 illegal face name"); if ($req =~ /if-none-match/i) { # dirtiest hack evar $self->respond ("304 not modified", "", $cache_headers); return; } my $type = cf::face::get_type $idx, 1; if ($type & 1) { $self->respond ("404 type $type not served yet"); } else { if ($type == 0) { # faces $self->respond ("200 OK", (cf::face::get_data $idx, 1), "content-type: image/png\015\012$cache_headers"); } else { $self->respond ("404 type $type not served yet"); } } } elsif ($uri eq "/allimgs") { # for debugging my $body = ""; for (1 .. cf::face::faces_size - 1) { next if cf::face::get_type $_; my $name = cf::face::get_chksum $_, 1; $body .= "img src='" . (unpack "H*", $name) . "'
"; } $body .= ""; $self->respond ("200 OK", $body, "Content-Type: text/html\015\012"); } else { $self->respond ("404 not found"); } } } # dirty hack: called directly from tcp.ext sub server { my $self = bless { id => $_[0], fh => $_[1], rbuf => $_[2], wbuf => "", }; $self->{rw} = AE::io $self->{fh}, 0, sub { my $len = sysread $self->{fh}, $self->{rbuf}, 4096, length $self->{rbuf}; if ($len == 0) { delete $self->{rw}; } else { $self->handle_req; delete $self->{rw} if length $self->{rbuf} > 8192; # headers too long } }; $self->handle_req; # in the unlikely case of the buffer already forming a valid request } cf::register_exticmd http_faceurl => sub { my ($ns) = @_; "/" };