/*
 * 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.ambari.logsearch.web.authenticate;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.ambari.logsearch.util.RESTErrorUtil;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.ExceptionMappingAuthenticationFailureHandler;

public class LogsearchAuthFailureHandler extends ExceptionMappingAuthenticationFailureHandler {

  private static final Logger logger = Logger.getLogger(LogsearchAuthFailureHandler.class);

  @Autowired
  RESTErrorUtil restErrorUtil;

  public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
                                      AuthenticationException exception) throws IOException, ServletException {
    logger.debug(" AuthFailureHandler + onAuthenticationFailure");
    // TODO UI side handle status and redirect to login page with proper
    response.setContentType("application/json");
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.getOutputStream().println("{ \"error\": \"" + "login failed !!" + "\" }");

  }

}
