mirror of
https://github.com/element-hq/synapse
synced 2024-09-01 23:50:22 +00:00
493 lines
18 KiB
Perl
Executable file
493 lines
18 KiB
Perl
Executable file
#!/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": "$as_url",
|
|
"namespaces": { "users": [ { "regex": "\@\\\\+.*", "exclusive": false } ] }
|
|
}
|
|
EOT
|
|
)->then( sub{
|
|
my ($response) = (@_);
|
|
warn $response->as_string if ($response->code != 200);
|
|
return Future->done;
|
|
}),
|
|
$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});
|
|
}
|
|
}
|
|
}
|
|
|