com.brandseye.cors.CorsCompatibleBasicAuthenticationEntryPoint.java Source code

Introduction

Here is the source code for com.brandseye.cors.CorsCompatibleBasicAuthenticationEntryPoint.java

Source

/*
 * Copyright 2013 BrandsEye (http://www.brandseye.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.
 */

package com.brandseye.cors;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.www.BasicAuthenticationEntryPoint;

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

/**
 * Prevents authentication of HTTP OPTIONS preflight requests which would otherwise break CORS in most browsers.
 */
public class CorsCompatibleBasicAuthenticationEntryPoint extends BasicAuthenticationEntryPoint {

    public CorsCompatibleBasicAuthenticationEntryPoint() {
        super();
    }

    @Override
    public void commence(final HttpServletRequest request, final HttpServletResponse response,
            final AuthenticationException authException) throws IOException, ServletException {
        if (!request.getMethod().equals("OPTIONS")) {
            super.commence(request, response, authException);
        }
    }

}