/**
* Connects to remote server.
*
* @throws \InvalidArgumentException|\RuntimeException
*/
protected function connect()
{
$host = $this->gitEnvironment->getHost();
$username = $this->gitEnvironment->getUsername();
$port = $this->gitEnvironment->getPort();
$password = $this->gitEnvironment->getPassword();
$privateKey = $this->gitEnvironment->getPrivateKey();
$privateKeyPassword = $this->gitEnvironment->getPrivateKeyPassword();
$this->sftp = new SFTP($host, 22);
if (!$this->sftp) {
throw new SshLoginException(sprintf('SSH connection failed on "%s:%s"', $host, $port));
}
if (isset($username) && $privateKey != null) {
$key = new RSA();
//Set Private Key Password
if ($privateKeyPassword) {
$key->setPassword($privateKeyPassword);
}
$key->loadKey($privateKey);
//Login using private key
if (!$this->sftp->login($username, $key)) {
throw new SshLoginException(sprintf('SFTP authentication failed for user "%s" using private key', $username));
}
} else {
if (!$this->sftp->login($username, $password)) {
throw new SshLoginException(sprintf('SFTP authentication failed for user "%s" using password', $username));
}
}
}
