Airship\Cabin\Bridge\Landing\Account::processRecoveryToken PHP Method

    protected function processRecoveryToken(string $token)
    {
        if (Util::stringLength($token) < UserAccounts::RECOVERY_CHAR_LENGTH) {
            \Airship\redirect($this->airship_cabin_prefix . '/login');
        }
        $selector = Util::subString($token, 0, 32);
        $validator = Util::subString($token, 32);
        $ttl = (int) $this->config('password-reset.ttl');
        if (empty($ttl)) {
            \Airship\redirect($this->airship_cabin_prefix . '/login');
        }
        $recoveryInfo = $this->acct->getRecoveryData($selector, $ttl);
        if (empty($recoveryInfo)) {
            \Airship\redirect($this->airship_cabin_prefix . '/login');
        }
        $state = State::instance();
        if (Symmetric::verify($validator . $recoveryInfo['userid'], $state->keyring['auth.recovery_key'], $recoveryInfo['hashedtoken'])) {
            $_SESSION['userid'] = (int) $recoveryInfo['userid'];
            $_SESSION['session_canary'] = $this->acct->createSessionCanary($recoveryInfo['userid']);
            $this->acct->deleteRecoveryToken($selector);
            \Airship\redirect($this->airship_cabin_prefix . '/my/account');
        }
        \Airship\redirect($this->airship_cabin_prefix . '/login');
    }