diff --git a/contrib/vertobot/bridge.pl b/contrib/vertobot/bridge.pl
new file mode 100755
index 0000000000..e1a07f6659
--- /dev/null
+++ b/contrib/vertobot/bridge.pl
@@ -0,0 +1,489 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use 5.010; # //
+use IO::Socket::SSL qw(SSL_VERIFY_NONE);
+use IO::Async::Loop;
+use Net::Async::WebSocket::Client;
+use Net::Async::HTTP;
+use Net::Async::HTTP::Server;
+use JSON;
+use YAML;
+use Data::UUID;
+use Getopt::Long;
+use Data::Dumper;
+use URI::Encode qw(uri_encode uri_decode);
+
+binmode STDOUT, ":encoding(UTF-8)";
+binmode STDERR, ":encoding(UTF-8)";
+
+my $msisdn_to_matrix = {
+ '447417892400' => '@matthew:matrix.org',
+};
+
+my $matrix_to_msisdn = {};
+foreach (keys %$msisdn_to_matrix) {
+ $matrix_to_msisdn->{$msisdn_to_matrix->{$_}} = $_;
+}
+
+
+my $loop = IO::Async::Loop->new;
+# Net::Async::HTTP + SSL + IO::Poll doesn't play well. See
+# https://rt.cpan.org/Ticket/Display.html?id=93107
+# ref $loop eq "IO::Async::Loop::Poll" and
+# warn "Using SSL with IO::Poll causes known memory-leaks!!\n";
+
+GetOptions(
+ 'C|config=s' => \my $CONFIG,
+ 'eval-from=s' => \my $EVAL_FROM,
+) or exit 1;
+
+if( defined $EVAL_FROM ) {
+ # An emergency 'eval() this file' hack
+ $SIG{HUP} = sub {
+ my $code = do {
+ open my $fh, "<", $EVAL_FROM or warn( "Cannot read - $!" ), return;
+ local $/; <$fh>
+ };
+
+ eval $code or warn "Cannot eval() - $@";
+ };
+}
+
+defined $CONFIG or die "Must supply --config\n";
+
+my %CONFIG = %{ YAML::LoadFile( $CONFIG ) };
+
+my %MATRIX_CONFIG = %{ $CONFIG{matrix} };
+# No harm in always applying this
+$MATRIX_CONFIG{SSL_verify_mode} = SSL_VERIFY_NONE;
+
+my $bridgestate = {};
+my $roomid_by_callid = {};
+
+my $sessid = lc new Data::UUID->create_str();
+my $as_token = $CONFIG{"matrix-bot"}->{as_token};
+my $hs_domain = $CONFIG{"matrix-bot"}->{domain};
+
+my $http = Net::Async::HTTP->new();
+$loop->add( $http );
+
+sub create_virtual_user
+{
+ my ($localpart) = @_;
+ my ( $response ) = $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/register?".
+ "access_token=$as_token&user_id=$localpart"
+ ),
+ content_type => "application/json",
+ content => <<EOT
+{
+ "type": "m.login.application_service",
+ "user": "$localpart"
+}
+EOT
+ )->get;
+ warn $response->as_string if ($response->code != 200);
+}
+
+my $http_server = Net::Async::HTTP::Server->new(
+ on_request => sub {
+ my $self = shift;
+ my ( $req ) = @_;
+
+ my $response;
+ my $path = uri_decode($req->path);
+ warn("request: $path");
+ if ($path =~ m#/users/\@(\+.*)#) {
+ # when queried about virtual users, auto-create them in the HS
+ my $localpart = $1;
+ create_virtual_user($localpart);
+ $response = HTTP::Response->new( 200 );
+ $response->add_content('{}');
+ $response->content_type( "application/json" );
+ }
+ elsif ($path =~ m#/transactions/(.*)#) {
+ my $event = JSON->new->decode($req->body);
+ print Dumper($event);
+
+ my $room_id = $event->{room_id};
+ my %dp = %{$CONFIG{'verto-dialog-params'}};
+ $dp{callID} = $bridgestate->{$room_id}->{callid};
+
+ if ($event->{type} eq 'm.room.membership') {
+ my $membership = $event->{content}->{membership};
+ my $state_key = $event->{state_key};
+ my $room_id = $event->{state_id};
+
+ if ($membership eq 'invite') {
+ # autojoin invites
+ my ( $response ) = $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/rooms/$room_id/join?".
+ "access_token=$as_token&user_id=$state_key"
+ ),
+ content_type => "application/json",
+ content => "{}",
+ )->get;
+ warn $response->as_string if ($response->code != 200);
+ }
+ }
+ elsif ($event->{type} eq 'm.call.invite') {
+ my $room_id = $event->{room_id};
+ $bridgestate->{$room_id}->{matrix_callid} = $event->{content}->{call_id};
+ $bridgestate->{$room_id}->{callid} = lc new Data::UUID->create_str();
+ $bridgestate->{$room_id}->{sessid} = $sessid;
+ # $bridgestate->{$room_id}->{offer} = $event->{content}->{offer}->{sdp};
+ my $offer = $event->{content}->{offer}->{sdp};
+ # $bridgestate->{$room_id}->{gathered_candidates} = 0;
+ $roomid_by_callid->{ $bridgestate->{$room_id}->{callid} } = $room_id;
+ # no trickle ICE in verto apparently
+
+ my $f = send_verto_json_request("verto.invite", {
+ "sdp" => $offer,
+ "dialogParams" => \%dp,
+ "sessid" => $bridgestate->{$room_id}->{sessid},
+ });
+ $self->adopt_future($f);
+ }
+ # elsif ($event->{type} eq 'm.call.candidates') {
+ # # XXX: this could fire for both matrix->verto and verto->matrix calls
+ # # and races as it collects candidates. much better to just turn off
+ # # candidate gathering in the webclient entirely for now
+ #
+ # my $room_id = $event->{room_id};
+ # # XXX: compare call IDs
+ # if (!$bridgestate->{$room_id}->{gathered_candidates}) {
+ # $bridgestate->{$room_id}->{gathered_candidates} = 1;
+ # my $offer = $bridgestate->{$room_id}->{offer};
+ # my $candidate_block = "";
+ # foreach (@{$event->{content}->{candidates}}) {
+ # $candidate_block .= "a=" . $_->{candidate} . "\r\n";
+ # }
+ # # XXX: collate using the right m= line - for now assume audio call
+ # $offer =~ s/(a=rtcp.*[\r\n]+)/$1$candidate_block/;
+ #
+ # my $f = send_verto_json_request("verto.invite", {
+ # "sdp" => $offer,
+ # "dialogParams" => \%dp,
+ # "sessid" => $bridgestate->{$room_id}->{sessid},
+ # });
+ # $self->adopt_future($f);
+ # }
+ # else {
+ # # ignore them, as no trickle ICE, although we might as well
+ # # batch them up
+ # # foreach (@{$event->{content}->{candidates}}) {
+ # # push @{$bridgestate->{$room_id}->{candidates}}, $_;
+ # # }
+ # }
+ # }
+ elsif ($event->{type} eq 'm.call.answer') {
+ # grab the answer and relay it to verto as a verto.answer
+ my $room_id = $event->{room_id};
+
+ my $answer = $event->{content}->{answer}->{sdp};
+ my $f = send_verto_json_request("verto.answer", {
+ "sdp" => $answer,
+ "dialogParams" => \%dp,
+ "sessid" => $bridgestate->{$room_id}->{sessid},
+ });
+ $self->adopt_future($f);
+ }
+ elsif ($event->{type} eq 'm.call.hangup') {
+ my $room_id = $event->{room_id};
+ if ($bridgestate->{$room_id}->{matrix_callid} eq $event->{content}->{call_id}) {
+ my $f = send_verto_json_request("verto.bye", {
+ "dialogParams" => \%dp,
+ "sessid" => $bridgestate->{$room_id}->{sessid},
+ });
+ $self->adopt_future($f);
+ }
+ else {
+ warn "Ignoring unrecognised callid: ".$event->{content}->{call_id};
+ }
+ }
+ else {
+ warn "Unhandled event: $event->{type}";
+ }
+
+ $response = HTTP::Response->new( 200 );
+ $response->add_content('{}');
+ $response->content_type( "application/json" );
+ }
+ else {
+ warn "Unhandled path: $path";
+ $response = HTTP::Response->new( 404 );
+ }
+
+ $req->respond( $response );
+ },
+);
+$loop->add( $http_server );
+
+$http_server->listen(
+ addr => { family => "inet", socktype => "stream", port => 8009 },
+ on_listen_error => sub { die "Cannot listen - $_[-1]\n" },
+);
+
+my $bot_verto = Net::Async::WebSocket::Client->new(
+ on_frame => sub {
+ my ( $self, $frame ) = @_;
+ warn "[Verto] receiving $frame";
+ on_verto_json($frame);
+ },
+);
+$loop->add( $bot_verto );
+
+my $verto_connecting = $loop->new_future;
+$bot_verto->connect(
+ %{ $CONFIG{"verto-bot"} },
+ on_connected => sub {
+ warn("[Verto] connected to websocket");
+ if (not $verto_connecting->is_done) {
+ $verto_connecting->done($bot_verto);
+
+ send_verto_json_request("login", {
+ 'login' => $CONFIG{'verto-dialog-params'}{'login'},
+ 'passwd' => $CONFIG{'verto-config'}{'passwd'},
+ 'sessid' => $sessid,
+ });
+ }
+ },
+ on_connect_error => sub { die "Cannot connect to verto - $_[-1]" },
+ on_resolve_error => sub { die "Cannot resolve to verto - $_[-1]" },
+);
+
+# die Dumper($verto_connecting);
+
+my $as_url = $CONFIG{"matrix-bot"}->{as_url};
+
+Future->needs_all(
+ $http->do_request(
+ method => "POST",
+ uri => URI->new( $CONFIG{"matrix"}->{server}."/_matrix/appservice/v1/register" ),
+ content_type => "application/json",
+ content => <<EOT
+{
+ "as_token": "$as_token",
+ "url": "$as_url",
+ "namespaces": { "users": ["\@\\\\+.*"] }
+}
+EOT
+ ),
+ $verto_connecting,
+)->get;
+
+$loop->attach_signal(
+ PIPE => sub { warn "pipe\n" }
+);
+$loop->attach_signal(
+ INT => sub { $loop->stop },
+);
+$loop->attach_signal(
+ TERM => sub { $loop->stop },
+);
+
+eval {
+ $loop->run;
+} or my $e = $@;
+
+die $e if $e;
+
+exit 0;
+
+{
+ my $json_id;
+ my $requests;
+
+ sub send_verto_json_request
+ {
+ $json_id ||= 1;
+
+ my ($method, $params) = @_;
+ my $json = {
+ jsonrpc => "2.0",
+ method => $method,
+ params => $params,
+ id => $json_id,
+ };
+ my $text = JSON->new->encode( $json );
+ warn "[Verto] sending $text";
+ $bot_verto->send_frame ( $text );
+ my $request = $loop->new_future;
+ $requests->{$json_id} = $request;
+ $json_id++;
+ return $request;
+ }
+
+ sub send_verto_json_response
+ {
+ my ($result, $id) = @_;
+ my $json = {
+ jsonrpc => "2.0",
+ result => $result,
+ id => $id,
+ };
+ my $text = JSON->new->encode( $json );
+ warn "[Verto] sending $text";
+ $bot_verto->send_frame ( $text );
+ }
+
+ sub on_verto_json
+ {
+ my $json = JSON->new->decode( $_[0] );
+ if ($json->{method}) {
+ if (($json->{method} eq 'verto.answer' && $json->{params}->{sdp}) ||
+ $json->{method} eq 'verto.media') {
+
+ my $caller = $json->{dialogParams}->{caller_id_number};
+ my $callee = $json->{dialogParams}->{destination_number};
+ my $caller_user = '@+' . $caller . ':' . $hs_domain;
+ my $callee_user = $msisdn_to_matrix->{$callee} || warn "unrecogised callee: $callee";
+ my $room_id = $roomid_by_callid->{$json->{params}->{callID}};
+
+ if ($json->{params}->{sdp}) {
+ $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/send/m.call.answer?".
+ "access_token=$as_token&user_id=$caller_user"
+ ),
+ content_type => "application/json",
+ content => JSON->new->encode({
+ call_id => $bridgestate->{$room_id}->{matrix_callid},
+ version => 0,
+ answer => {
+ sdp => $json->{params}->{sdp},
+ type => "answer",
+ },
+ }),
+ )->then( sub {
+ send_verto_json_response( {
+ method => $json->{method},
+ }, $json->{id});
+ })->get;
+ }
+ }
+ elsif ($json->{method} eq 'verto.invite') {
+ my $caller = $json->{dialogParams}->{caller_id_number};
+ my $callee = $json->{dialogParams}->{destination_number};
+ my $caller_user = '@+' . $caller . ':' . $hs_domain;
+ my $callee_user = $msisdn_to_matrix->{$callee} || warn "unrecogised callee: $callee";
+
+ my $alias = ($caller lt $callee) ? ($caller.'-'.$callee) : ($callee.'-'.$caller);
+ my $room_id;
+
+ # create a virtual user for the caller if needed.
+ create_virtual_user($caller);
+
+ # create a room of form #peer-peer and invite the callee
+ $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/createRoom?".
+ "access_token=$as_token&user_id=$caller_user"
+ ),
+ content_type => "application/json",
+ content => JSON->new->encode({
+ room_alias_name => $alias,
+ invite => [ $callee_user ],
+ }),
+ )->then( sub {
+ my ( $response ) = @_;
+ my $resp = JSON->new->decode($response->content);
+ $room_id = $resp->{room_id};
+ $roomid_by_callid->{$json->{params}->{callID}} = $room_id;
+ })->get;
+
+ # join it
+ my ($response) = $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/join/$room_id?".
+ "access_token=$as_token&user_id=$caller_user"
+ ),
+ content_type => "application/json",
+ content => '{}',
+ )->get;
+
+ $bridgestate->{$room_id}->{matrix_callid} = lc new Data::UUID->create_str();
+ $bridgestate->{$room_id}->{callid} = $json->{dialogParams}->{callID};
+ $bridgestate->{$room_id}->{sessid} = $sessid;
+
+ # put the m.call.invite in there
+ $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/send/m.call.invite?".
+ "access_token=$as_token&user_id=$caller_user"
+ ),
+ content_type => "application/json",
+ content => JSON->new->encode({
+ call_id => $bridgestate->{$room_id}->{matrix_callid},
+ version => 0,
+ answer => {
+ sdp => $json->{params}->{sdp},
+ type => "offer",
+ },
+ }),
+ )->then( sub {
+ # acknowledge the verto
+ send_verto_json_response( {
+ method => $json->{method},
+ }, $json->{id});
+ })->get;
+ }
+ elsif ($json->{method} eq 'verto.bye') {
+ my $caller = $json->{dialogParams}->{caller_id_number};
+ my $callee = $json->{dialogParams}->{destination_number};
+ my $caller_user = '@+' . $caller . ':' . $hs_domain;
+ my $callee_user = $msisdn_to_matrix->{$callee} || warn "unrecogised callee: $callee";
+ my $room_id = $roomid_by_callid->{$json->{params}->{callID}};
+
+ # put the m.call.hangup into the room
+ $http->do_request(
+ method => "POST",
+ uri => URI->new(
+ $CONFIG{"matrix"}->{server}.
+ "/_matrix/client/api/v1/send/m.call.hangup?".
+ "access_token=$as_token&user_id=$caller_user"
+ ),
+ content_type => "application/json",
+ content => JSON->new->encode({
+ call_id => $bridgestate->{$room_id}->{matrix_callid},
+ version => 0,
+ }),
+ )->then( sub {
+ # acknowledge the verto
+ send_verto_json_response( {
+ method => $json->{method},
+ }, $json->{id});
+ })->get;
+ }
+ else {
+ warn ("[Verto] unhandled method: " . $json->{method});
+ send_verto_json_response( {
+ method => $json->{method},
+ }, $json->{id});
+ }
+ }
+ elsif ($json->{result}) {
+ $requests->{$json->{id}}->done($json->{result});
+ }
+ elsif ($json->{error}) {
+ $requests->{$json->{id}}->fail($json->{error}->{message}, $json->{error});
+ }
+ }
+}
+
|
