Airship\Engine\Security\Authentication::loginByToken PHP Метод

    public function loginByToken(string $token = '') : int
    {
        $table = $this->db->escapeIdentifier($this->tableConfig['table']['longterm']);
        $f = ['selector' => $this->db->escapeIdentifier($this->tableConfig['fields']['longterm']['selector']), 'userid' => $this->tableConfig['fields']['longterm']['userid'], 'validator' => $this->tableConfig['fields']['longterm']['validator']];
        try {
            $decoded = Base64::decode($token);
        } catch (\RangeException $ex) {
            throw new LongTermAuthAlert(\trk('errors.security.invalid_persistent_token'));
        }
        if ($decoded === false) {
            throw new LongTermAuthAlert(\trk('errors.security.invalid_persistent_token'));
        } elseif (Binary::safeStrlen($decoded) !== self::LONG_TERM_AUTH_BYTES) {
            throw new LongTermAuthAlert(\trk('errors.security.invalid_persistent_token'));
        }
        \Sodium\memzero($token);
        $sel = Binary::safeSubstr($decoded, 0, self::SELECTOR_BYTES);
        $val = CryptoUtil::raw_hash(Binary::safeSubstr($decoded, self::SELECTOR_BYTES));
        \Sodium\memzero($decoded);
        $record = $this->db->row('SELECT * FROM ' . $table . ' WHERE ' . $f['selector'] . ' = ?', Base64::encode($sel));
        if (empty($record)) {
            \Sodium\memzero($val);
            throw new LongTermAuthAlert(\trk('errors.security.invalid_persistent_token'));
        }
        $stored = \Sodium\hex2bin($record[$f['validator']]);
        \Sodium\memzero($record[$f['validator']]);
        if (!\hash_equals($stored, $val)) {
            \Sodium\memzero($val);
            \Sodium\memzero($stored);
            throw new LongTermAuthAlert(\trk('errors.security.invalid_persistent_token'));
        }
        \Sodium\memzero($stored);
        \Sodium\memzero($val);
        $userID = (int) $record[$f['userid']];
        $_SESSION['session_canary'] = $this->db->cell('SELECT session_canary FROM airship_users WHERE userid = ?', $userID);
        return $userID;
    }