// Copyright 2023 Google LLC
//
// 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.example;

import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import com.code_intelligence.jazzer.junit.FuzzTest;

import com.google.api.client.json.webtoken.JsonWebSignature;
import com.google.auth.oauth2.TokenVerifier;

import java.security.GeneralSecurityException;

class TokenVerifierFuzzer {
    @FuzzTest
    void myFuzzTest(FuzzedDataProvider data) {
        TokenVerifier tokenVerifier = TokenVerifier.newBuilder().build();

        try {
            JsonWebSignature jsonWebSignature = tokenVerifier.verify(data.consumeRemainingAsString());
            jsonWebSignature.verifySignature();
        } catch (TokenVerifier.VerificationException | GeneralSecurityException e) {
        } catch (IllegalArgumentException | NullPointerException e) {
            // Need to catch in order to find more interesting findings.
        }
    }
}