/*
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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.servlet;
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import java.io.IOException;
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import java.net.URL;
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import java.text.MessageFormat;
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import com.google.inject.Inject;
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import com.google.inject.Singleton;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.gitblit.IStoredSettings;
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import com.gitblit.Keys;
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import com.gitblit.manager.IAuthenticationManager;
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import com.gitblit.manager.IRepositoryManager;
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import com.gitblit.manager.IUserManager;
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import com.gitblit.models.RepositoryModel;
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import com.gitblit.models.UserModel;
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import com.gitblit.utils.StringUtils;
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/**
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* Handles requests for Sparkleshare Invites
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*
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* @author James Moger
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*
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*/
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@Singleton
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public class SparkleShareInviteServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private IStoredSettings settings;
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private IUserManager userManager;
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private IAuthenticationManager authenticationManager;
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private IRepositoryManager repositoryManager;
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@Inject
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public SparkleShareInviteServlet(
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IStoredSettings settings,
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IUserManager userManager,
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IAuthenticationManager authenticationManager,
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IRepositoryManager repositoryManager) {
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this.settings = settings;
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this.userManager = userManager;
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this.authenticationManager = authenticationManager;
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this.repositoryManager = repositoryManager;
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}
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, java.io.IOException {
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processRequest(request, response);
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}
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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processRequest(request, response);
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}
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protected void processRequest(javax.servlet.http.HttpServletRequest request,
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javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException,
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java.io.IOException {
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int sshPort = settings.getInteger(Keys.git.sshPort, 0);
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if (sshPort == 0) {
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response.setStatus(HttpServletResponse.SC_FORBIDDEN);
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response.getWriter().append("SSH is not active on this server!");
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return;
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}
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// extract repo name from request
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String repoUrl = request.getPathInfo().substring(1);
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// trim trailing .xml
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if (repoUrl.endsWith(".xml")) {
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repoUrl = repoUrl.substring(0, repoUrl.length() - 4);
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}
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String username = null;
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String path;
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int fetchIndex = repoUrl.indexOf('@');
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if (fetchIndex > -1) {
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username = repoUrl.substring(0, fetchIndex);
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path = repoUrl.substring(fetchIndex + 1);
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} else {
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path = repoUrl;
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}
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String host = request.getServerName();
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String url = settings.getString(Keys.web.canonicalUrl, "https://localhost:8443");
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if (!StringUtils.isEmpty(url) && url.indexOf("localhost") == -1) {
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host = new URL(url).getHost();
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}
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UserModel user;
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if (StringUtils.isEmpty(username)) {
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user = authenticationManager.authenticate(request);
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} else {
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user = userManager.getUserModel(username);
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}
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if (user == null || user.disabled) {
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response.setStatus(HttpServletResponse.SC_FORBIDDEN);
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response.getWriter().append("Access is not permitted!");
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return;
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}
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// ensure that the requested repository exists
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RepositoryModel model = repositoryManager.getRepositoryModel(path);
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if (model == null) {
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response.setStatus(HttpServletResponse.SC_NOT_FOUND);
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response.getWriter().append(MessageFormat.format("Repository \"{0}\" not found!", path));
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return;
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}
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if (!user.canRewindRef(model)) {
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response.setStatus(HttpServletResponse.SC_FORBIDDEN);
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response.getWriter().append(MessageFormat.format("{0} does not have RW+ permissions to \"{1}\"!", user.username, model.name));
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}
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StringBuilder sb = new StringBuilder();
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sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
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sb.append("<sparkleshare><invite>\n");
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sb.append(MessageFormat.format("<address>ssh://{0}@{1}:{2,number,0}/</address>\n", user.username, host, sshPort));
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sb.append(MessageFormat.format("<remote_path>/{0}</remote_path>\n", model.name));
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int fanoutPort = settings.getInteger(Keys.fanout.port, 0);
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if (fanoutPort > 0) {
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// Gitblit is running it's own fanout service for pubsub notifications
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sb.append(MessageFormat.format("<announcements_url>tcp://{0}:{1,number,0}</announcements_url>\n", request.getServerName(), fanoutPort));
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}
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sb.append("</invite></sparkleshare>\n");
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// write invite to client
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response.setContentType("application/xml");
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response.setContentLength(sb.length());
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response.getWriter().append(sb.toString());
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}
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}
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