content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.kafka.common.security.oauthbearer;
  
  import org.apache.kafka.common.security.oauthbearer.internals.secured.AccessTokenBuilder;
  import org.apache.kafka.common.security.oauthbearer.internals.secured.CloseableVerificationKeyResolver;
  import org.apache.kafka.common.security.oauthbearer.internals.secured.OAuthBearerTest;
  
  import org.jose4j.jws.AlgorithmIdentifiers;
  import org.junit.jupiter.api.Test;
  
  import java.util.Map;
  
  import static org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule.OAUTHBEARER_MECHANISM;
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertInstanceOf;
  
  public class DefaultJwtValidatorTest extends OAuthBearerTest {
  
      @Test
      public void testConfigureWithVerificationKeyResolver() {
          AccessTokenBuilder builder = new AccessTokenBuilder()
              .alg(AlgorithmIdentifiers.RSA_USING_SHA256);
          CloseableVerificationKeyResolver verificationKeyResolver = createVerificationKeyResolver(builder);
          Map<String, ?> configs = getSaslConfigs();
          DefaultJwtValidator jwtValidator = new DefaultJwtValidator(verificationKeyResolver);
          assertDoesNotThrow(() -> jwtValidator.configure(configs, OAUTHBEARER_MECHANISM, getJaasConfigEntries()));
          assertInstanceOf(BrokerJwtValidator.class, jwtValidator.delegate());
      }
  
      @Test
      public void testConfigureWithoutVerificationKeyResolver() {
          Map<String, ?> configs = getSaslConfigs();
          DefaultJwtValidator jwtValidator = new DefaultJwtValidator();
          assertDoesNotThrow(() -> jwtValidator.configure(configs, OAUTHBEARER_MECHANISM, getJaasConfigEntries()));
          assertInstanceOf(ClientJwtValidator.class, jwtValidator.delegate());
      }
  
      private CloseableVerificationKeyResolver createVerificationKeyResolver(AccessTokenBuilder builder) {
          return (jws, nestingContext) -> builder.jwk().getPublicKey();
      }
  }
  