310 lines
9.3 KiB
Perl
Executable File
310 lines
9.3 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::Matrix 0.11_002;
|
|
use JSON;
|
|
use YAML;
|
|
use Data::UUID;
|
|
use Getopt::Long;
|
|
use Data::Dumper;
|
|
|
|
binmode STDOUT, ":encoding(UTF-8)";
|
|
binmode STDERR, ":encoding(UTF-8)";
|
|
|
|
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;
|
|
|
|
# Track every Room object, so we can ->leave them all on shutdown
|
|
my %bot_matrix_rooms;
|
|
|
|
my $bridgestate = {};
|
|
my $roomid_by_callid = {};
|
|
|
|
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 $sessid = lc new Data::UUID->create_str();
|
|
|
|
my $bot_matrix = Net::Async::Matrix->new(
|
|
%MATRIX_CONFIG,
|
|
on_log => sub { warn "log: @_\n" },
|
|
on_invite => sub {
|
|
my ($matrix, $invite) = @_;
|
|
warn "[Matrix] invited to: " . $invite->{room_id} . " by " . $invite->{inviter} . "\n";
|
|
|
|
$matrix->join_room( $invite->{room_id} )->get;
|
|
},
|
|
on_room_new => sub {
|
|
my ($matrix, $room) = @_;
|
|
|
|
warn "[Matrix] have a room ID: " . $room->room_id . "\n";
|
|
|
|
$bot_matrix_rooms{$room->room_id} = $room;
|
|
|
|
# log in to verto on behalf of this room
|
|
$bridgestate->{$room->room_id}->{sessid} = $sessid;
|
|
|
|
$room->configure(
|
|
on_message => \&on_room_message,
|
|
);
|
|
|
|
my $f = send_verto_json_request("login", {
|
|
'login' => $CONFIG{'verto-dialog-params'}{'login'},
|
|
'passwd' => $CONFIG{'verto-config'}{'passwd'},
|
|
'sessid' => $sessid,
|
|
});
|
|
$matrix->adopt_future($f);
|
|
|
|
# we deliberately don't paginate the room, as we only care about
|
|
# new calls
|
|
},
|
|
on_unknown_event => \&on_unknown_event,
|
|
on_error => sub {
|
|
print STDERR "Matrix failure: @_\n";
|
|
},
|
|
);
|
|
$loop->add( $bot_matrix );
|
|
|
|
sub on_unknown_event
|
|
{
|
|
my ($matrix, $event) = @_;
|
|
print Dumper($event);
|
|
|
|
my $room_id = $event->{room_id};
|
|
my %dp = %{$CONFIG{'verto-dialog-params'}};
|
|
$dp{callID} = $bridgestate->{$room_id}->{callid};
|
|
|
|
if ($event->{type} eq 'm.call.invite') {
|
|
$bridgestate->{$room_id}->{matrix_callid} = $event->{content}->{call_id};
|
|
$bridgestate->{$room_id}->{callid} = lc new Data::UUID->create_str();
|
|
$bridgestate->{$room_id}->{offer} = $event->{content}->{offer}->{sdp};
|
|
$bridgestate->{$room_id}->{gathered_candidates} = 0;
|
|
$roomid_by_callid->{ $bridgestate->{$room_id}->{callid} } = $room_id;
|
|
# no trickle ICE in verto apparently
|
|
}
|
|
elsif ($event->{type} eq 'm.call.candidates') {
|
|
# XXX: compare call IDs
|
|
if (!$bridgestate->{$room_id}->{gathered_candidates}) {
|
|
$bridgestate->{$room_id}->{gathered_candidates} = 1;
|
|
my $offer = $bridgestate->{$room_id}->{offer};
|
|
my $candidate_block = {
|
|
audio => '',
|
|
video => '',
|
|
};
|
|
foreach (@{$event->{content}->{candidates}}) {
|
|
if ($_->{sdpMid}) {
|
|
$candidate_block->{$_->{sdpMid}} .= "a=" . $_->{candidate} . "\r\n";
|
|
}
|
|
else {
|
|
$candidate_block->{audio} .= "a=" . $_->{candidate} . "\r\n";
|
|
$candidate_block->{video} .= "a=" . $_->{candidate} . "\r\n";
|
|
}
|
|
}
|
|
|
|
# XXX: assumes audio comes first
|
|
#$offer =~ s/(a=rtcp-mux[\r\n]+)/$1$candidate_block->{audio}/;
|
|
#$offer =~ s/(a=rtcp-mux[\r\n]+)/$1$candidate_block->{video}/;
|
|
|
|
$offer =~ s/(m=video)/$candidate_block->{audio}$1/;
|
|
$offer =~ s/(.$)/$1\n$candidate_block->{video}$1/;
|
|
|
|
my $f = send_verto_json_request("verto.invite", {
|
|
"sdp" => $offer,
|
|
"dialogParams" => \%dp,
|
|
"sessid" => $bridgestate->{$room_id}->{sessid},
|
|
});
|
|
$matrix->adopt_future($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.hangup') {
|
|
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},
|
|
});
|
|
$matrix->adopt_future($f);
|
|
}
|
|
else {
|
|
warn "Ignoring unrecognised callid: ".$event->{content}->{call_id};
|
|
}
|
|
}
|
|
else {
|
|
warn "Unhandled event: $event->{type}";
|
|
}
|
|
}
|
|
|
|
sub on_room_message
|
|
{
|
|
my ($room, $from, $content) = @_;
|
|
my $room_id = $room->room_id;
|
|
warn "[Matrix] in $room_id: $from: " . $content->{body} . "\n";
|
|
}
|
|
|
|
Future->needs_all(
|
|
$bot_matrix->login( %{ $CONFIG{"matrix-bot"} } )->then( sub {
|
|
$bot_matrix->start;
|
|
}),
|
|
|
|
$bot_verto->connect(
|
|
%{ $CONFIG{"verto-bot"} },
|
|
on_connect_error => sub { die "Cannot connect to verto - $_[-1]" },
|
|
on_resolve_error => sub { die "Cannot resolve to verto - $_[-1]" },
|
|
)->on_done( sub {
|
|
warn("[Verto] connected to websocket");
|
|
}),
|
|
)->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 = $@;
|
|
|
|
# When the bot gets shut down, have it leave the rooms so it's clear to observers
|
|
# that it is no longer running.
|
|
# if( $CONFIG{"leave-on-shutdown"} // 1 ) {
|
|
# print STDERR "Removing bot from Matrix rooms...\n";
|
|
# Future->wait_all( map { $_->leave->else_done() } values %bot_matrix_rooms )->get;
|
|
# }
|
|
# else {
|
|
# print STDERR "Leaving bot users in Matrix rooms.\n";
|
|
# }
|
|
|
|
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 $room_id = $roomid_by_callid->{$json->{params}->{callID}};
|
|
my $room = $bot_matrix_rooms{$room_id};
|
|
|
|
if ($json->{params}->{sdp}) {
|
|
# HACK HACK HACK HACK
|
|
$room->_do_POST_json( "/send/m.call.answer", {
|
|
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;
|
|
}
|
|
}
|
|
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});
|
|
}
|
|
}
|
|
}
|
|
|