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/*
* Copyright 2013 gitblit.com.
*
* 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.gitblit.wicket.pages;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.protocol.http.WebRequest;
import org.apache.wicket.protocol.http.WebResponse;
import com.gitblit.Constants;
import com.gitblit.Constants.AuthenticationType;
import com.gitblit.Keys;
import com.gitblit.models.UserModel;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.GitBlitWebApp;
import com.gitblit.wicket.GitBlitWebSession;
public abstract class SessionPage extends WebPage {
public SessionPage() {
super();
login();
}
public SessionPage(final PageParameters params) {
super(params);
login();
}
protected String [] getEncodings() {
return app().settings().getStrings(Keys.web.blobEncodings).toArray(new String[0]);
}
protected GitBlitWebApp app() {
return GitBlitWebApp.get();
}
private void login() {
GitBlitWebSession session = GitBlitWebSession.get();
HttpServletRequest request = ((WebRequest) getRequest()).getHttpServletRequest();
HttpServletResponse response = ((WebResponse) getResponse()).getHttpServletResponse();
// If using container/external servlet authentication, use request attribute
String authedUser = (String) request.getAttribute(Constants.ATTRIB_AUTHUSER);
// Default to trusting session authentication if not set in request by external processing
if (StringUtils.isEmpty(authedUser) && session.isLoggedIn()) {
authedUser = session.getUsername();
}
if (!StringUtils.isEmpty(authedUser)) {
// Avoid session fixation for non-session authentication
// If the authenticated user is different from the session user, discard
// the old session entirely, without trusting any session values
if (!authedUser.equals(session.getUsername())) {
session.replaceSession();
}
if (!session.isSessionInvalidated()) {
// Refresh usermodel to pick up any changes to permissions or roles (issue-186)
UserModel user = app().users().getUserModel(authedUser);
if (user == null || user.disabled) {
// user was deleted/disabled during session
app().authentication().logout(request, response, user);
session.setUser(null);
session.invalidateNow();
return;
}
// validate cookie during session (issue-361)
if (app().settings().getBoolean(Keys.web.allowCookieAuthentication, true)) {
String requestCookie = app().authentication().getCookie(request);
if (!StringUtils.isEmpty(requestCookie) && !StringUtils.isEmpty(user.cookie)) {
if (!requestCookie.equals(user.cookie)) {
// cookie was changed during our session
app().authentication().logout(request, response, user);
session.setUser(null);
session.invalidateNow();
return;
}
}
}
session.setUser(user);
return;
}
}
// try to authenticate by servlet request
UserModel user = app().authentication().authenticate(request);
// Login the user
if (user != null) {
AuthenticationType authenticationType = (AuthenticationType) request.getAttribute(Constants.ATTRIB_AUTHTYPE);
// issue 62: fix session fixation vulnerability
// but only if authentication was done in the container.
// It avoid double change of session, that some authentication method
// don't like
if (AuthenticationType.CONTAINER != authenticationType) {
session.replaceSession();
}
session.setUser(user);
// Set Cookie
app().authentication().setCookie(request, response, user);
session.continueRequest();
}
}
}
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