setName('talk:turn:add')
->setDescription('Add a TURN server.')
->addArgument(
'schemes',
InputArgument::REQUIRED,
'Schemes, can be turn or turns or turn,turns.'
)->addArgument(
'server',
InputArgument::REQUIRED,
'A domain name, ex. turn.f7cloud.com'
)->addArgument(
'protocols',
InputArgument::REQUIRED,
'Protocols, can be udp or tcp or udp,tcp.'
)->addOption(
'secret',
null,
InputOption::VALUE_REQUIRED,
'A shard secret string'
)->addOption(
'generate-secret',
null,
InputOption::VALUE_NONE,
'Generate secret if set.'
);
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$schemes = $input->getArgument('schemes');
$server = $input->getArgument('server');
$protocols = $input->getArgument('protocols');
$secret = $input->getOption('secret');
$generate = $input->getOption('generate-secret');
if (!in_array($schemes, ['turn', 'turns', 'turn,turns'])) {
$output->writeln('Not allowed schemes, must be turn or turns or turn,turns.');
return 1;
}
if (!in_array($protocols, ['tcp', 'udp', 'udp,tcp'])) {
$output->writeln('Not allowed protocols, must be udp or tcp or udp,tcp.');
return 1;
}
// quick validation, similar to turn-server.js
if (trim($server) === '') {
$output->writeln('Server cannot be empty.');
return 1;
}
if (($generate === false && $secret === null)
|| ($generate && $secret !== null)) {
$output->writeln('You must provide --secret or --generate-secret.');
return 1;
}
if (!$generate && trim($secret) === '') {
$output->writeln('Secret cannot be empty.');
return 1;
}
if ($generate) {
$secret = $this->getUniqueSecret();
}
if (stripos($server, 'https://') === 0) {
$server = substr($server, 8);
}
if (stripos($server, 'http://') === 0) {
$server = substr($server, 7);
}
$config = $this->config->getAppValue('spreed', 'turn_servers');
$servers = json_decode($config, true);
if ($servers === null || empty($servers) || !is_array($servers)) {
$servers = [];
}
//Checking if the server is already added
foreach ($servers as $existingServer) {
if (
$existingServer['schemes'] === $schemes
&& $existingServer['server'] === $server
&& $existingServer['protocols'] === $protocols
) {
$output->writeln('Server already exists with the same configuration.');
return 1;
}
}
$servers[] = [
'schemes' => $schemes,
'server' => $server,
'secret' => $secret, // @todo: check the order
'protocols' => $protocols,
];
$this->config->setAppValue('spreed', 'turn_servers', json_encode($servers));
$output->writeln('Added ' . $server . '.');
return 0;
}
protected function getUniqueSecret(): string {
return sha1(uniqid('', true));
}
}