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