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.camel.quarkus.component.http.netty.auth;
  
  import java.util.Map;
  
  import javax.security.auth.Subject;
  import javax.security.auth.callback.Callback;
  import javax.security.auth.callback.CallbackHandler;
  import javax.security.auth.callback.PasswordCallback;
  import javax.security.auth.login.LoginException;
  import javax.security.auth.spi.LoginModule;
  
  import io.quarkus.runtime.annotations.RegisterForReflection;
  
  @RegisterForReflection
  public class JaasLoginModule implements LoginModule {
      private CallbackHandler callbackHandler;
  
      @Override
      public void initialize(
              Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) {
          this.callbackHandler = callbackHandler;
      }
  
      @Override
      public boolean login() throws LoginException {
          Callback[] callbacks = new Callback[1];
          callbacks[0] = new PasswordCallback("password", false);
  
          try {
              callbackHandler.handle(callbacks);
              char[] tmpPassword = ((PasswordCallback) callbacks[0]).getPassword();
              String password = new String(tmpPassword);
              ((PasswordCallback) callbacks[0]).clearPassword();
              if (!"adminjaaspass".equals(password)) {
                  throw new LoginException("Login denied");
              }
          } catch (Exception e) {
              LoginException le = new LoginException(e.getMessage());
              le.initCause(e);
              throw le;
          }
  
          return true;
      }
  
      @Override
      public boolean commit() {
          return true;
      }
  
      @Override
      public boolean abort() {
          return true;
      }
  
      @Override
      public boolean logout() {
          callbackHandler = null;
          return true;
      }
  }
  