| // Copyright (C) 2009 The Android Open Source Project |
| // |
| // 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.google.gerrit.httpd.auth.ldap; |
| |
| import com.google.gerrit.common.PageLinks; |
| import com.google.gerrit.common.auth.SignInMode; |
| import com.google.gerrit.httpd.WebSession; |
| import com.google.gerrit.server.config.CanonicalWebUrl; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| |
| import java.io.IOException; |
| |
| import javax.annotation.Nullable; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * Servlet bound to {@code /login/*} to redirect after user/pass sign-in. |
| * <p> |
| * This servlet is required because user authentication is done over RPC, but if |
| * the RPC is successful we need to force the host page to fully reload to pick |
| * up the account information, as we don't support updating the UI on the fly |
| * after a sign-in. |
| */ |
| @Singleton |
| class LoginRedirectServlet extends HttpServlet { |
| private static final long serialVersionUID = 1L; |
| |
| private final Provider<WebSession> webSession; |
| private final Provider<String> urlProvider; |
| |
| @Inject |
| LoginRedirectServlet(final Provider<WebSession> webSession, |
| @CanonicalWebUrl @Nullable final Provider<String> urlProvider) { |
| this.webSession = webSession; |
| this.urlProvider = urlProvider; |
| } |
| |
| @Override |
| protected void doGet(final HttpServletRequest req, |
| final HttpServletResponse rsp) throws IOException { |
| final String token; |
| if (webSession.get().isSignedIn()) { |
| token = getToken(req); |
| } else { |
| final String msg = "Session cookie not available."; |
| token = "/SignInFailure," + SignInMode.SIGN_IN + "," + msg; |
| } |
| |
| final StringBuilder rdr = new StringBuilder(); |
| rdr.append(urlProvider.get()); |
| rdr.append('#'); |
| rdr.append(token); |
| |
| rsp.setHeader("Expires", "Fri, 01 Jan 1980 00:00:00 GMT"); |
| rsp.setHeader("Pragma", "no-cache"); |
| rsp.setHeader("Cache-Control", "no-cache, must-revalidate"); |
| rsp.sendRedirect(rdr.toString()); |
| } |
| |
| private String getToken(final HttpServletRequest req) { |
| String token = req.getPathInfo(); |
| if (token == null || token.isEmpty()) { |
| token = PageLinks.MINE; |
| } else if (!token.startsWith("/")) { |
| token = "/" + token; |
| } |
| return token; |
| } |
| } |