/* * The MIT License *  * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, Matthew R. Harrah *  * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: *  * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. *  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */package hudson.security;import java.util.Properties;import java.util.logging.Logger;import java.util.logging.Level;import java.io.IOException;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import hudson.Util;import org.acegisecurity.Authentication;import org.acegisecurity.AuthenticationException;import org.acegisecurity.ui.webapp.AuthenticationProcessingFilter;/** * {@link AuthenticationProcessingFilter} with a change for Jenkins so that * we can pick up the hidden "from" form field defined in <tt>login.jelly</tt> * to send the user back to where he came from, after a successful authentication. *  * @author Kohsuke Kawaguchi */public class AuthenticationProcessingFilter2 extends AuthenticationProcessingFilter {    @Override    protected String determineTargetUrl(HttpServletRequest request) {        String targetUrl = request.getParameter("from");        request.getSession().setAttribute("from", targetUrl);        if (targetUrl == null)            return getDefaultTargetUrl();        if (Util.isAbsoluteUri(targetUrl))            return "."; // avoid open redirect        // URL returned from determineTargetUrl() is resolved against the context path,        // whereas the "from" URL is resolved against the top of the website, so adjust this.        if(targetUrl.startsWith(request.getContextPath()))            return targetUrl.substring(request.getContextPath().length());        // not sure when this happens, but apparently this happens in some case.        // see #1274        return targetUrl;    }    /**     * @see org.acegisecurity.ui.AbstractProcessingFilter#determineFailureUrl(javax.servlet.http.HttpServletRequest, org.acegisecurity.AuthenticationException)     */    @Override    protected String determineFailureUrl(HttpServletRequest request, AuthenticationException failed) {        Properties excMap = getExceptionMappings();		String failedClassName = failed.getClass().getName();		String whereFrom = request.getParameter("from");		request.getSession().setAttribute("from", whereFrom);		return excMap.getProperty(failedClassName, getAuthenticationFailureUrl());    }    @Override    protected void onSuccessfulAuthentication(HttpServletRequest request, HttpServletResponse response, Authentication authResult) throws IOException {        super.onSuccessfulAuthentication(request,response,authResult);        // make sure we have a session to store this successful authentication, given that we no longer        // let HttpSessionContextIntegrationFilter2 to create sessions.        // HttpSessionContextIntegrationFilter stores the updated SecurityContext object into this session later        // (either when a redirect is issued, via its HttpResponseWrapper, or when the execution returns to its        // doFilter method.        // BUG: CWE-287 Improper Authentication        //         // FIXED:         request.getSession().invalidate();        request.getSession();    }    /**     * Leave the information about login failure.     *     * <p>     * Otherwise it seems like Acegi doesn't really leave the detail of the failure anywhere.     */    @Override    protected void onUnsuccessfulAuthentication(HttpServletRequest request, HttpServletResponse response, AuthenticationException failed) throws IOException {        super.onUnsuccessfulAuthentication(request, response, failed);        LOGGER.log(Level.INFO, "Login attempt failed", failed);    }    private static final Logger LOGGER = Logger.getLogger(AuthenticationProcessingFilter2.class.getName());}