Merge branch 'master' of https://github.com/gitblit/gitblit

Rafael Cavazin

2013-07-21 f66e89662c091e082bd1d2feb6ac91513ccff273

 src/main/java/com/gitblit/git/GitblitReceivePackFactory.java

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/*
 * Copyright 2011 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.git;

import javax.servlet.http.HttpServletRequest;

import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.gitblit.GitBlit;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
import com.gitblit.utils.HttpUtils;

/**
 * The receive pack factory creates a receive pack which accepts pushes from
 * clients.
 * 
 * @author James Moger
 *
 * @param <X> the connection type
 */
public class GitblitReceivePackFactory<X> implements ReceivePackFactory<X> {

   protected final Logger logger = LoggerFactory.getLogger(GitblitReceivePackFactory.class);
	
   @Override
   public ReceivePack create(X req, Repository db)
         throws ServiceNotEnabledException, ServiceNotAuthorizedException {

      final ReceivePack rp = new ReceivePack(db);
      UserModel user = UserModel.ANONYMOUS;
      String repositoryName = "";
      String origin = "";
      String gitblitUrl = "";
      int timeout = 0;
		
      if (req instanceof HttpServletRequest) {
         // http/https request may or may not be authenticated 
         HttpServletRequest request = (HttpServletRequest) req;
         repositoryName = request.getAttribute("gitblitRepositoryName").toString();
         origin = request.getRemoteHost();
         gitblitUrl = HttpUtils.getGitblitURL(request);

         // determine pushing user
         String username = request.getRemoteUser();
         if (username != null && !"".equals(username)) {
            user = GitBlit.self().getUserModel(username);
            if (user == null) {
               // anonymous push, create a temporary usermodel
               user = new UserModel(username);
            }
         }
      } else if (req instanceof GitDaemonClient) {
         // git daemon request is alway anonymous
         GitDaemonClient client = (GitDaemonClient) req;
         repositoryName = client.getRepositoryName();
         origin = client.getRemoteAddress().getHostAddress();
         // set timeout from Git daemon
         timeout = client.getDaemon().getTimeout();
      }

      // set pushing user identity for reflog
      rp.setRefLogIdent(new PersonIdent(user.username, user.username + "@" + origin));
      rp.setTimeout(timeout);
		
      // set advanced ref permissions
      RepositoryModel repository = GitBlit.self().getRepositoryModel(repositoryName);
      rp.setAllowCreates(user.canCreateRef(repository));
      rp.setAllowDeletes(user.canDeleteRef(repository));
      rp.setAllowNonFastForwards(user.canRewindRef(repository));

      // setup the receive hook
      ReceiveHook hook = new ReceiveHook();
      hook.user = user;
      hook.repository = repository;
      hook.gitblitUrl = gitblitUrl;

      rp.setPreReceiveHook(hook);
      rp.setPostReceiveHook(hook);

      return rp;
   }
}