/*
* Copyright 2002-2016 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 org.springframework.security.web.authentication;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
/**
* <p>
* In the pre-authenticated authentication case (unlike CAS, for example) the user will
* already have been identified through some external mechanism and a secure context
* established by the time the security-enforcement filter is invoked.
* <p>
* Therefore this class isn't actually responsible for the commencement of authentication,
* as it is in the case of other providers. It will be called if the user is rejected by
* the AbstractPreAuthenticatedProcessingFilter, resulting in a null authentication.
* <p>
* The <code>commence</code> method will always return an
* <code>HttpServletResponse.SC_FORBIDDEN</code> (403 error).
*
* @see org.springframework.security.web.access.ExceptionTranslationFilter
*
* @author Luke Taylor
* @author Ruud Senden
* @since 2.0
*/
public class Http403ForbiddenEntryPoint implements AuthenticationEntryPoint {
private static final Log logger = LogFactory.getLog(Http403ForbiddenEntryPoint.class);
/**
* Always returns a 403 error code to the client.
*/
public void commence(HttpServletRequest request, HttpServletResponse response,
AuthenticationException arg2) throws IOException, ServletException {
if (logger.isDebugEnabled()) {
logger.debug("Pre-authenticated entry point called. Rejecting access");
}
response.sendError(HttpServletResponse.SC_FORBIDDEN, "Access Denied");
}
}