isValidToken.ts•1.6 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { getLogger } from "@fonoster/logger";
import jwt from "jsonwebtoken";
import { JsonWebErrorEnum } from "./types";
const logger = getLogger({ service: "identity", filePath: __filename });
function isValidToken(token: string, secret: string): boolean {
try {
const decoded = jwt.verify(token, secret) as { exp: number };
const currentTime = Math.floor(Date.now() / 1000);
if (decoded.exp <= currentTime) {
logger.verbose("token expired", { exp: decoded.exp, currentTime });
return false;
}
return true;
} catch (error) {
if (error.name === JsonWebErrorEnum.JsonWebTokenError) {
logger.verbose("invalid JWT token", { token });
} else if (error.name === JsonWebErrorEnum.TokenExpiredError) {
logger.verbose("token expired", { token });
} else {
logger.verbose("unexpected JWT error:", error);
}
return false;
}
}
export { isValidToken };