/*
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* Copyright 2013 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.wicket.pages;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.markup.html.WebPage;
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import org.apache.wicket.protocol.http.WebRequest;
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import org.apache.wicket.protocol.http.WebResponse;
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import com.gitblit.Constants;
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import com.gitblit.Constants.AuthenticationType;
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import com.gitblit.Keys;
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import com.gitblit.models.UserModel;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.wicket.GitBlitWebApp;
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import com.gitblit.wicket.GitBlitWebSession;
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public abstract class SessionPage extends WebPage {
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public SessionPage() {
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super();
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login();
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}
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public SessionPage(final PageParameters params) {
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super(params);
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login();
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}
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protected String [] getEncodings() {
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return app().settings().getStrings(Keys.web.blobEncodings).toArray(new String[0]);
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}
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protected GitBlitWebApp app() {
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return GitBlitWebApp.get();
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}
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private void login() {
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GitBlitWebSession session = GitBlitWebSession.get();
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HttpServletRequest request = ((WebRequest) getRequest()).getHttpServletRequest();
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HttpServletResponse response = ((WebResponse) getResponse()).getHttpServletResponse();
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// If using container/external servlet authentication, use request attribute
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String authedUser = (String) request.getAttribute(Constants.ATTRIB_AUTHUSER);
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// Default to trusting session authentication if not set in request by external processing
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if (StringUtils.isEmpty(authedUser) && session.isLoggedIn()) {
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authedUser = session.getUsername();
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}
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if (!StringUtils.isEmpty(authedUser)) {
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// Avoid session fixation for non-session authentication
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// If the authenticated user is different from the session user, discard
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// the old session entirely, without trusting any session values
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if (!authedUser.equals(session.getUsername())) {
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session.replaceSession();
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}
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if (!session.isSessionInvalidated()) {
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// Refresh usermodel to pick up any changes to permissions or roles (issue-186)
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UserModel user = app().users().getUserModel(authedUser);
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if (user == null || user.disabled) {
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// user was deleted/disabled during session
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app().authentication().logout(request, response, user);
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session.setUser(null);
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session.invalidateNow();
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return;
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}
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// validate cookie during session (issue-361)
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if (app().settings().getBoolean(Keys.web.allowCookieAuthentication, true)) {
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String requestCookie = app().authentication().getCookie(request);
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if (!StringUtils.isEmpty(requestCookie) && !StringUtils.isEmpty(user.cookie)) {
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if (!requestCookie.equals(user.cookie)) {
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// cookie was changed during our session
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app().authentication().logout(request, response, user);
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session.setUser(null);
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session.invalidateNow();
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return;
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}
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}
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}
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session.setUser(user);
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return;
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}
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}
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// try to authenticate by servlet request
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UserModel user = app().authentication().authenticate(request);
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// Login the user
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if (user != null) {
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AuthenticationType authenticationType = (AuthenticationType) request.getAttribute(Constants.ATTRIB_AUTHTYPE);
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// issue 62: fix session fixation vulnerability
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// but only if authentication was done in the container.
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// It avoid double change of session, that some authentication method
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// don't like
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if (AuthenticationType.CONTAINER != authenticationType) {
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session.replaceSession();
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}
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session.setUser(user);
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// Set Cookie
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app().authentication().setCookie(request, response, user);
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session.continueRequest();
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}
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}
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}
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