CustomAuthenticationSuccessHandler.java example

/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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 opensnap.security;

import opensnap.Topic;
import opensnap.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.security.Principal;

@Component
public class CustomAuthenticationSuccessHandler implements AuthenticationSuccessHandler {

	private final SimpMessagingTemplate template;
	private final UserService userService;

	@Autowired
	public CustomAuthenticationSuccessHandler(SimpMessagingTemplate template, UserService userService) {
		this.template = template;
		this.userService = userService;
	}

	@Override
	public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
		String username = ((Principal)authentication.getPrincipal()).getName();
		this.template.convertAndSend(Topic.USER_AUTHENTICATED, this.userService.getByUsername(username));
	}
}