de.knightsoftnet.validators.server.security.AuthSuccessHandler.java Source code

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Here is the source code for de.knightsoftnet.validators.server.security.AuthSuccessHandler.java

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/*
 * 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 de.knightsoftnet.validators.server.security;

import de.knightsoftnet.validators.server.converter.UserDetailsConverter;

import com.fasterxml.jackson.databind.ObjectMapper;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.io.PrintWriter;

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

/**
 * authentication success handler for gwt applications. based on the work of
 * https://github.com/imrabti/gwtp-spring-security
 *
 * @author Manfred Tremmel
 */
@Component
public class AuthSuccessHandler extends SavedRequestAwareAuthenticationSuccessHandler {
    private static final Logger LOGGER = LoggerFactory.getLogger(AuthSuccessHandler.class);

    private final ObjectMapper mapper;
    private final CsrfCookieHandler csrfCookieHandler;
    private final UserDetailsConverter userDetailsConverter;

    @Autowired
    AuthSuccessHandler(final CsrfCookieHandler pcsrfCookieHandler,
            final UserDetailsConverter puserDetailsConverter) {
        super();
        final MappingJackson2HttpMessageConverter pmessageConverter = new MappingJackson2HttpMessageConverter();
        this.mapper = pmessageConverter.getObjectMapper();
        this.csrfCookieHandler = pcsrfCookieHandler;
        this.userDetailsConverter = puserDetailsConverter;
    }

    @Override
    public void onAuthenticationSuccess(final HttpServletRequest prequest, final HttpServletResponse presponse,
            final Authentication pauthentication) throws IOException, ServletException {
        this.csrfCookieHandler.setCookie(prequest, presponse);

        if (pauthentication.isAuthenticated()) {
            presponse.setStatus(HttpServletResponse.SC_OK);
            LOGGER.info("User is authenticated!");
            LOGGER.debug(pauthentication.toString());

            final PrintWriter writer = presponse.getWriter();
            this.mapper.writeValue(writer,
                    this.userDetailsConverter.convert((UserDetails) pauthentication.getPrincipal()));
            writer.flush();
        } else {
            presponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        }
    }
}