package es.esky.rol.security;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;

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

public class TokenAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException {
        response.addHeader("WWW-Authenticate", "Basic realm=\"TOKEN_API\"");
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException.getMessage());
    }
}

/*
 * Copyright 2016-2017 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 es.esky.rol.security;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;

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

/**
 * Http basic authentication token based entry point.
 * <p>
 * Configure entry point to respond with an 401 http error and set Token realm in www-authenticate header.
 */
public class TokenAuthenticationEntryPoint implements AuthenticationEntryPoint {

    /**
     * {@inheritDoc}
     */
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException {
        response.addHeader("WWW-Authenticate", "Basic realm=\"TOKEN_API\"");
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException.getMessage());
    }
}

Add documentation