a simple matrix->verto bot, distantly related to the irc bridge

This commit is contained in:
Matthew Hodgson 2014-11-28 06:44:50 +00:00 committed by Paul "LeoNerd" Evans
parent 23a2c42469
commit 0d149ae6e9
5 changed files with 546 additions and 0 deletions

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contrib/vertobot/.gitignore vendored Normal file
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vuc.yaml

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contrib/vertobot/bot.pl Normal file
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#!/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;
use JSON;
use YAML;
use Data::UUID;
use Getopt::Long;
use Digest::SHA qw( hmac_sha1_base64 );
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 $bot_matrix = Net::Async::Matrix->new(
%MATRIX_CONFIG,
on_log => sub { warn "log: @_\n" },
on_invite => sub {
my ($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
my $sessid = lc new Data::UUID->create_str();
$bridgestate->{$room->room_id}->{sessid} = $sessid;
$room->configure(
on_message => \&on_room_message,
);
Future->wait_all(
send_verto_json_request("login", {
'login' => $CONFIG{'verto-dialog-params'}{'login'},
'passwd' => $CONFIG{'verto-config'}{'passwd'},
'sessid' => $sessid,
}),
)->get;
# 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 $candidate_block = "";
foreach (@{$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/;
send_verto_json_request("verto.invite", {
"sdp" => $offer,
"dialogParams" => \%dp,
"sessid" => $bridgestate->{$room_id}->{sessid},
})->get;
}
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') {
send_verto_json_request("verto.bye", {
"dialogParams" => \%dp,
"sessid" => $bridgestate->{$room_id}->{sessid},
})->get;
}
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";
}
my $verto_connecting = $loop->new_future;
$bot_verto->connect(
%{ $CONFIG{"verto-bot"} },
on_connected => sub {
warn("[Verto] connected to websocket");
$verto_connecting->done($bot_verto) if not $verto_connecting->is_done;
},
on_connect_error => sub { die "Cannot connect to verto - $_[-1]" },
on_resolve_error => sub { die "Cannot resolve to verto - $_[-1]" },
);
Future->needs_all(
$bot_matrix->login( %{ $CONFIG{"matrix-bot"} } )->then( sub {
$bot_matrix->start;
}),
$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 = $@;
# 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') {
my $room_id = $roomid_by_callid->{$json->{params}->{callID}};
my $room = $bot_matrix_rooms{$room_id};
# 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 => "verto.answer",
}, $json->{id});
})->get;
}
else {
warn ("[Verto] unhandled method: " . $json->{method});
}
}
elsif ($json->{result}) {
$requests->{$json->{id}}->done($json->{result});
}
elsif ($json->{error}) {
$requests->{$json->{id}}->fail($json->{error}->{message}, $json->{error});
}
}
}

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# Generic Matrix connection params
matrix:
server: 'matrix.org'
SSL: 1
# Bot-user connection details
matrix-bot:
user_id: '@vertobot:matrix.org'
password: ''
# Extra registration params required for creating new "ghost" users
matrix-register:
captcha_bypass_secret: ''
verto-bot:
host: webrtc.freeswitch.org
service: 8081
url: "ws://webrtc.freeswitch.org:8081/"
verto-config:
passwd: 1234
verto-dialog-params:
useVideo: false
useStereo: false
tag: "webcam"
login: "1008@webrtc.freeswitch.org"
destination_number: "9664"
caller_id_name: "FreeSWITCH User"
caller_id_number: "1008"
callID: ""
remote_caller_id_name: "Outbound Call"
remote_caller_id_number: "9664"

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requires 'parent', 0;
requires 'Future', '>= 0.29';
requires 'Net::Async::Matrix', '>= 0.11';
requires 'Net::Async::Matrix::Utils';
requires 'Net::Async::WebSocket::Protocol', 0;
requires 'Data::UUID', 0;
requires 'IO::Async', '>= 0.63';
requires 'IO::Async::SSL', 0;
requires 'IO::Socket::SSL', 0;
requires 'YAML', 0;
requires 'JSON', 0;
requires 'Getopt::Long', 0;
on 'test' => sub {
requires 'Test::More', '>= 0.98';
};

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# JSON is shown in *reverse* chronological order.
# Send v. Receive is implicit.
{
"jsonrpc": "2.0",
"id": 7,
"result": {
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"message": "CALL ENDED",
"causeCode": 16,
"cause": "NORMAL_CLEARING",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
}
}
{
"jsonrpc": "2.0",
"method": "verto.bye",
"params": {
"dialogParams": {
"useVideo": false,
"useStereo": true,
"tag": "webcam",
"login": "1008@webrtc.freeswitch.org",
"destination_number": "9664",
"caller_id_name": "FreeSWITCH User",
"caller_id_number": "1008",
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"remote_caller_id_name": "Outbound Call",
"remote_caller_id_number": "9664"
},
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 7
}
{
"jsonrpc": "2.0",
"id": 6,
"result": {
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"action": "toggleHold",
"holdState": "active",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
}
}
{
"jsonrpc": "2.0",
"method": "verto.modify",
"params": {
"action": "toggleHold",
"dialogParams": {
"useVideo": false,
"useStereo": true,
"tag": "webcam",
"login": "1008@webrtc.freeswitch.org",
"destination_number": "9664",
"caller_id_name": "FreeSWITCH User",
"caller_id_number": "1008",
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"remote_caller_id_name": "Outbound Call",
"remote_caller_id_number": "9664"
},
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 6
}
{
"jsonrpc": "2.0",
"id": 5,
"result": {
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"action": "toggleHold",
"holdState": "held",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
}
}
{
"jsonrpc": "2.0",
"method": "verto.modify",
"params": {
"action": "toggleHold",
"dialogParams": {
"useVideo": false,
"useStereo": true,
"tag": "webcam",
"login": "1008@webrtc.freeswitch.org",
"destination_number": "9664",
"caller_id_name": "FreeSWITCH User",
"caller_id_number": "1008",
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"remote_caller_id_name": "Outbound Call",
"remote_caller_id_number": "9664"
},
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 5
}
{
"jsonrpc": "2.0",
"id": 349819,
"result": {
"method": "verto.answer"
}
}
{
"jsonrpc": "2.0",
"id": 349819,
"method": "verto.answer",
"params": {
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"sdp": "v=0\no=FreeSWITCH 1417101432 1417101433 IN IP4 209.105.235.10\ns=FreeSWITCH\nc=IN IP4 209.105.235.10\nt=0 0\na=msid-semantic: WMS jA3rmwLVwUq1iE6TYEYHeLk2YTUlh1Vq\nm=audio 30134 RTP/SAVPF 111 126\na=rtpmap:111 opus/48000/2\na=fmtp:111 minptime=10; stereo=1\na=rtpmap:126 telephone-event/8000\na=silenceSupp:off - - - -\na=ptime:20\na=sendrecv\na=fingerprint:sha-256 F8:72:18:E9:72:89:99:22:5B:F8:B6:C6:C6:0D:C5:9B:B2:FB:BC:CA:8D:AB:13:8A:66:E1:37:38:A0:16:AA:41\na=rtcp-mux\na=rtcp:30134 IN IP4 209.105.235.10\na=ssrc:210967934 cname:rOIEajpw4FocakWY\na=ssrc:210967934 msid:jA3rmwLVwUq1iE6TYEYHeLk2YTUlh1Vq a0\na=ssrc:210967934 mslabel:jA3rmwLVwUq1iE6TYEYHeLk2YTUlh1Vq\na=ssrc:210967934 label:jA3rmwLVwUq1iE6TYEYHeLk2YTUlh1Vqa0\na=ice-ufrag:OKwTmGLapwmxn7OF\na=ice-pwd:MmaMwq8rVmtWxfLbQ7U2Ew3T\na=candidate:2372654928 1 udp 659136 209.105.235.10 30134 typ host generation 0\n"
}
}
{
"jsonrpc": "2.0",
"id": 4,
"result": {
"message": "CALL CREATED",
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
}
}
{
"jsonrpc": "2.0",
"method": "verto.invite",
"params": {
"sdp": "v=0\r\no=- 1381685806032722557 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE audio\r\na=msid-semantic: WMS 6OOMyGAyJakjwaOOBtV7WcBCCuIW6PpuXsNg\r\nm=audio 63088 RTP/SAVPF 111 103 104 0 8 106 105 13 126\r\nc=IN IP4 81.138.8.249\r\na=rtcp:63088 IN IP4 81.138.8.249\r\na=candidate:460398169 1 udp 2122260223 10.10.79.10 49945 typ host generation 0\r\na=candidate:460398169 2 udp 2122260223 10.10.79.10 49945 typ host generation 0\r\na=candidate:3460887983 1 udp 2122194687 192.168.1.64 63088 typ host generation 0\r\na=candidate:3460887983 2 udp 2122194687 192.168.1.64 63088 typ host generation 0\r\na=candidate:945327227 1 udp 1685987071 81.138.8.249 63088 typ srflx raddr 192.168.1.64 rport 63088 generation 0\r\na=candidate:945327227 2 udp 1685987071 81.138.8.249 63088 typ srflx raddr 192.168.1.64 rport 63088 generation 0\r\na=candidate:1441981097 1 tcp 1518280447 10.10.79.10 0 typ host tcptype active generation 0\r\na=candidate:1441981097 2 tcp 1518280447 10.10.79.10 0 typ host tcptype active generation 0\r\na=candidate:2160789855 1 tcp 1518214911 192.168.1.64 0 typ host tcptype active generation 0\r\na=candidate:2160789855 2 tcp 1518214911 192.168.1.64 0 typ host tcptype active generation 0\r\na=ice-ufrag:cP4qeRhn0LpcpA88\r\na=ice-pwd:fREmgSkXsDLGUUH1bwfrBQhW\r\na=ice-options:google-ice\r\na=fingerprint:sha-256 AF:35:64:1B:62:8A:EF:27:AE:2B:88:2E:FE:78:29:0B:08:DA:64:6C:DE:02:57:E3:EE:B1:D7:86:B8:36:8F:B0\r\na=setup:actpass\r\na=mid:audio\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=sendrecv\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=fmtp:111 minptime=10; stereo=1\r\na=rtpmap:103 ISAC/16000\r\na=rtpmap:104 ISAC/32000\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:106 CN/32000\r\na=rtpmap:105 CN/16000\r\na=rtpmap:13 CN/8000\r\na=rtpmap:126 telephone-event/8000\r\na=maxptime:60\r\na=ssrc:558827154 cname:vdKHBNqa17t2gmE3\r\na=ssrc:558827154 msid:6OOMyGAyJakjwaOOBtV7WcBCCuIW6PpuXsNg bf1303fb-9833-4d7d-b9e4-b32cfe04acc3\r\na=ssrc:558827154 mslabel:6OOMyGAyJakjwaOOBtV7WcBCCuIW6PpuXsNg\r\na=ssrc:558827154 label:bf1303fb-9833-4d7d-b9e4-b32cfe04acc3\r\n",
"dialogParams": {
"useVideo": false,
"useStereo": true,
"tag": "webcam",
"login": "1008@webrtc.freeswitch.org",
"destination_number": "9664",
"caller_id_name": "FreeSWITCH User",
"caller_id_number": "1008",
"callID": "12795aa6-2a8d-84ee-ce63-2e82ffe825ef",
"remote_caller_id_name": "Outbound Call",
"remote_caller_id_number": "9664"
},
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 4
}
{
"jsonrpc": "2.0",
"id": 3,
"result": {
"message": "logged in",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
}
}
{
"jsonrpc": "2.0",
"id": 1,
"error": {
"code": -32000,
"message": "Authentication Required"
}
}
{
"jsonrpc": "2.0",
"method": "login",
"params": {
"login": "1008@webrtc.freeswitch.org",
"passwd": "1234",
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 3
}
{
"jsonrpc": "2.0",
"id": 2,
"error": {
"code": -32000,
"message": "Authentication Required"
}
}
{
"jsonrpc": "2.0",
"method": "login",
"params": {
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 1
}
{
"jsonrpc": "2.0",
"method": "login",
"params": {
"sessid": "03a11060-3e14-23b6-c620-51b892c52983"
},
"id": 2
}