com.google.gerrit.httpd.HttpLogoutServlet Maven / Gradle / Ivy
// 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;
import com.google.common.base.Strings;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.audit.AuditEvent;
import com.google.gerrit.server.audit.AuditService;
import com.google.gerrit.server.config.AuthConfig;
import com.google.gerrit.server.config.CanonicalWebUrl;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Singleton
public class HttpLogoutServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private final DynamicItem webSession;
private final Provider urlProvider;
private final String logoutUrl;
private final AuditService audit;
@Inject
protected HttpLogoutServlet(
AuthConfig authConfig,
DynamicItem webSession,
@CanonicalWebUrl @Nullable Provider urlProvider,
AuditService audit) {
this.webSession = webSession;
this.urlProvider = urlProvider;
this.logoutUrl = authConfig.getLogoutURL();
this.audit = audit;
}
protected void doLogout(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
webSession.get().logout();
if (logoutUrl != null) {
rsp.sendRedirect(logoutUrl);
} else {
String url = urlProvider.get();
if (Strings.isNullOrEmpty(url)) {
url = req.getContextPath();
}
if (Strings.isNullOrEmpty(url)) {
url = "/";
}
if (!url.endsWith("/")) {
url += "/";
}
rsp.sendRedirect(url);
}
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
final String sid = webSession.get().getSessionId();
final CurrentUser currentUser = webSession.get().getUser();
final String what = "sign out";
final long when = TimeUtil.nowMs();
try {
doLogout(req, rsp);
} finally {
audit.dispatch(new AuditEvent(sid, currentUser, what, when, null, null));
}
}
}