com.google.firebase.auth.FirebaseTokenVerifier Maven / Gradle / Ivy

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This is the official Firebase Admin Java SDK. Build extraordinary native JVM apps in minutes with Firebase. The Firebase platform can power your app’s backend, user authentication, static hosting, and more.

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/*
 * Copyright  2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

package com.google.firebase.auth;

/**
 * An interface for verifying Firebase token strings.  Exists mainly to facilitate easy testing
 * and extension/decoration of the token verification functionality.
 */
interface FirebaseTokenVerifier {

  /**
   * Verifies that the given token string is a valid Firebase JWT.
   *
   * @param token The token string to be verified.
   * @return A decoded representation of the input token string.
   * @throws FirebaseAuthException If the input token string fails to verify due to any reason.
   */
  FirebaseToken verifyToken(String token) throws FirebaseAuthException;

}