nextcloud / server

	 * @throws OCSForbiddenException

	 */

	public function requestSharedSecret($url, $token) {

		if ($this->trustedServers->isTrustedServer($url) === false) {

			$this->logger->error('remote server not trusted (' . $url . ') while requesting shared secret', ['app' => 'federation']);

			throw new OCSForbiddenException();

		}

		// if both server initiated the exchange of the shared secret the greater

		// token wins

	 * @throws OCSForbiddenException

	 */

	public function getSharedSecret($url, $token) {

		if ($this->trustedServers->isTrustedServer($url) === false) {

			$this->logger->error('remote server not trusted (' . $url . ') while getting shared secret', ['app' => 'federation']);

			throw new OCSForbiddenException();

		}

		if ($this->isValidToken($url, $token) === false) {

			$expectedToken = $this->dbHandler->getToken($url);