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