Java tutorial
/* * LICENCE : CloudUnit is available under the GNU Affero General Public License : https://gnu.org/licenses/agpl.html * but CloudUnit is licensed too under a standard commercial license. * Please contact our sales team if you would like to discuss the specifics of our Enterprise license. * If you are not sure whether the AGPL is right for you, * you can always test our software under the AGPL and inspect the source code before you contact us * about purchasing a commercial license. * * LEGAL TERMS : "CloudUnit" is a registered trademark of Treeptik and can't be used to endorse * or promote products derived from this project without prior written permission from Treeptik. * Products or services derived from this software may not be called "CloudUnit" * nor may "Treeptik" or similar confusing terms appear in their names without prior written permission. * For any questions, contact us : contact@treeptik.fr */ package cn.org.once.cstack.config; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.AuthenticationEntryPoint; import org.springframework.stereotype.Component; /** * Returns a 401 error code (Unauthorized) to the client. */ @Component public class Http401EntryPoint implements AuthenticationEntryPoint { private final Logger log = LoggerFactory.getLogger(Http401EntryPoint.class); public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException arg) throws IOException, ServletException { // Maybe change the log level... log.warn("Access Denied [ " + request.getRequestURL().toString() + "] : " + arg.getMessage()); response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Access unauthorized"); } }