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root |
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#! perl # optional depends=tcp |
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# http server on base port |
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use Coro::AnyEvent; |
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sub send { |
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my $self = $_[0]; |
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$self->{wbuf} .= $_[1]; |
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$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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delete $self->{ww} unless length $self->{wbuf}; |
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}; |
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} |
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sub fatal { |
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my ($self) = @_; |
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$self->send ("HTTP/1.1 500 internal error\015\012"); |
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delete $self->{rw}; |
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} |
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sub respond { |
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$_[0]->send ("HTTP/1.1 $_[1]\015\012" |
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. "content-length: " . (0 + length $_[2]) . "\015\012" |
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. "access-control-allow-origin: *\015\012" |
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. "$_[3]\015\012$_[2]"); |
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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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sub content_type { |
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return "content-type: image/png\015\012" if $_[0] =~ /^\x89PNG/; |
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return "content-type: image/jpeg\015\012" if $_[0] =~ /^......JFIF/s; |
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return "content-type: audio/wav\015\012" if $_[0] =~ /^RIFF/; |
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return "content-type: audio/ogg\015\012" if $_[0] =~ /^OggS/; |
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"content-type: text/plain\015\012" |
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} |
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sub handle_req { |
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my ($self) = @_; |
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while ($self->{rbuf} =~ s/^( (?: [^\015]+ | . )+? )\015\012\015\012//xs) { |
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my $req = $1; |
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# we ignore headers atm. |
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$req =~ m%^GET (\S+) HTTP/[0-9.]+\015\012%i |
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or return $self->fatal; |
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my $uri = $1; |
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$uri =~ s%^http://[^/]*%%i; # just in case |
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cf::debug "HTTP GET: $self->{id} $uri"; |
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if ($uri =~ m%^/(M?)([0-9a-f]+)$%) { # faces |
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my $want_meta = $1; |
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my $idx = $cf::FACEHASH{pack "H*", $2}; |
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$idx |
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or do { $self->respond ("404 illegal face name"), next }; |
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if ($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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my $type = cf::face::get_type $idx, 1; |
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my $data = cf::face::get_data $idx, 1; |
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(my $meta, $data) = unpack "(w/a*)*", $data |
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if $type & 1; |
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if ($want_meta) { |
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if ($type & 1) { |
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$self->respond ("200 OK", $meta, "content-type: text/plain\015\012" . $cache_headers); |
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} else { |
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$self->respond ("404 type $type has no metadata"); |
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} |
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} else { |
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$self->respond ("200 OK", $data, (content_type $data) . $cache_headers); |
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} |
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} elsif ($uri eq "/debug") { # for debugging |
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my $body = "<html><body>"; |
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for my $type (6, 5, 4, 3, 2, 1, 0) { |
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$body .= "<h1>$type</h1>"; |
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for (1 .. cf::face::faces_size - 1) { |
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next if $type != cf::face::get_type $_; |
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my $name = cf::face::get_name $_; |
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my $id = unpack "H*", cf::face::get_chksum $_, 1; |
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$body .= "$_ <a href='$id'>$name ($id)</a>"; |
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$body .= " <a href='M$id'>(meta)</a>" if $type & 1; |
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$body .= "<br>"; |
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} |
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} |
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$body .= "</body></html>"; |
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$self->respond ("200 OK", $body, "Content-Type: text/html\015\012"); |
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} elsif ($uri eq "/ws" && defined &ext::ws::server) { |
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&ext::ws::server ($self->{id}, $self->{fh}, "$req\015\012\015\012$self->{rbuf}"); |
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%$self = (); |
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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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our $DETECTOR = ext::tcp::register http => 64, sub { |
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# regex avoids conflict with websockets, which use /ws |
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m{^(?:(?i)GET|HEAD|OPTIONS) \ (?: [^/] | /[^w] | /w[^s] /ws[^\ ] ) }x |
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}, sub { |
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my $self = bless { |
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id => $_[0], |
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fh => $_[1], |
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rbuf => $_[2], |
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wbuf => "", |
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}; |
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$self->{rw} = AE::io $self->{fh}, 0, sub { |
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my $len = sysread $self->{fh}, $self->{rbuf}, 4096, length $self->{rbuf}; |
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if ($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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delete $self->{rw} if length $self->{rbuf} > 8192; # headers too long |
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} |
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}; |
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$self->handle_req; # in the unlikely case of the buffer already forming a valid request |
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}; |
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cf::register_exticmd http_faceurl => sub { |
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my ($ns) = @_; |
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"/" |
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}; |
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