com.erudika.para.security.SimpleAuthenticationEntryPoint.java Source code

Introduction

Here is the source code for com.erudika.para.security.SimpleAuthenticationEntryPoint.java

Source

/*
 * Copyright 2013-2015 Erudika. http://erudika.com
 *
 * 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.
 *
 * For issues and patches go to: https://github.com/erudika
 */
package com.erudika.para.security;

import com.erudika.para.rest.RestUtils;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.HttpMethod;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;

/**
 *
 * @author Alex Bogdanovski [alex@erudika.com]
 */
public class SimpleAuthenticationEntryPoint extends LoginUrlAuthenticationEntryPoint {

    /**
     * Default constructor.
     * @param loginFormUrl url of the login page e.g. "/login.html"
     */
    public SimpleAuthenticationEntryPoint(String loginFormUrl) {
        super(loginFormUrl);
    }

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response,
            AuthenticationException authException) throws IOException, ServletException {
        if (isPreflight(request)) {
            response.setStatus(HttpServletResponse.SC_NO_CONTENT);
        } else if (isRestRequest(request)) {
            RestUtils.returnStatusResponse(response, HttpServletResponse.SC_UNAUTHORIZED,
                    authException.getMessage());
        } else {
            super.commence(request, response, authException);
        }
    }

    /**
     * Checks if this is a X-domain pre-flight request.
     * @param request request
     * @return true if preflight
     */
    private boolean isPreflight(HttpServletRequest request) {
        return HttpMethod.OPTIONS.equals(request.getMethod());
    }

    /**
     * Checks if it is a rest request
     * @param request request
     * @return true if rest or ajax
     */
    protected boolean isRestRequest(HttpServletRequest request) {
        return RestRequestMatcher.INSTANCE.matches(request) || AjaxRequestMatcher.INSTANCE.matches(request);
    }

}