| commit | author | age | ||
| 75bca8 | 1 | /* |
| JM | 2 | * Copyright 2011 gitblit.com. |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package com.gitblit.git; | |
| 17 | ||
| 143567 | 18 | import java.util.ArrayList; |
| JM | 19 | import java.util.Iterator; |
| 20 | import java.util.List; | |
| 75bca8 | 21 | import java.util.Map; |
| JM | 22 | |
| 23 | import javax.servlet.http.HttpServletRequest; | |
| 24 | ||
| 25 | import org.eclipse.jgit.lib.Ref; | |
| 26 | import org.eclipse.jgit.lib.Repository; | |
| 27 | import org.eclipse.jgit.transport.RefFilter; | |
| 28 | import org.eclipse.jgit.transport.UploadPack; | |
| 29 | import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException; | |
| 30 | import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException; | |
| 31 | import org.eclipse.jgit.transport.resolver.UploadPackFactory; | |
| 32 | ||
| 33 | import com.gitblit.GitBlit; | |
| 34 | import com.gitblit.models.UserModel; | |
| 35 | ||
| 36 | /** | |
| 37 | * The upload pack factory creates an upload pack which controls what refs are | |
| 38 | * advertised to cloning/pulling clients. | |
| 39 | * | |
| 40 | * @author James Moger | |
| 41 | * | |
| 42 | * @param <X> the connection type | |
| 43 | */ | |
| 44 | public class GitblitUploadPackFactory<X> implements UploadPackFactory<X> { | |
| 45 | ||
| 46 | @Override | |
| 47 | public UploadPack create(X req, Repository db) | |
| 48 | throws ServiceNotEnabledException, ServiceNotAuthorizedException { | |
| 49 | ||
| 50 | UserModel user = UserModel.ANONYMOUS; | |
| 51 | int timeout = 0; | |
| 52 | ||
| 53 | if (req instanceof HttpServletRequest) { | |
| 54 | // http/https request may or may not be authenticated | |
| 55 | user = GitBlit.self().authenticate((HttpServletRequest) req); | |
| 56 | if (user == null) { | |
| 57 | user = UserModel.ANONYMOUS; | |
| 58 | } | |
| 40aa84 | 59 | } else if (req instanceof GitDaemonClient) { |
| 75bca8 | 60 | // git daemon request is always anonymous |
| 40aa84 | 61 | GitDaemonClient client = (GitDaemonClient) req; |
| 75bca8 | 62 | // set timeout from Git daemon |
| JM | 63 | timeout = client.getDaemon().getTimeout(); |
| 64 | } | |
| 65 | ||
| 66 | RefFilter refFilter = new UserRefFilter(user); | |
| 67 | UploadPack up = new UploadPack(db); | |
| 68 | up.setRefFilter(refFilter); | |
| 69 | up.setTimeout(timeout); | |
| 70 | ||
| 71 | return up; | |
| 72 | } | |
| 73 | ||
| 74 | /** | |
| 75 | * Restricts advertisement of certain refs based on the permission of the | |
| 76 | * requesting user. | |
| 77 | */ | |
| 78 | public static class UserRefFilter implements RefFilter { | |
| 79 | ||
| 80 | final UserModel user; | |
| 81 | ||
| 82 | public UserRefFilter(UserModel user) { | |
| 83 | this.user = user; | |
| 84 | } | |
| 85 | ||
| 86 | @Override | |
| 87 | public Map<String, Ref> filter(Map<String, Ref> refs) { | |
| 88 | if (user.canAdmin()) { | |
| 89 | // admins can see all refs | |
| 90 | return refs; | |
| 91 | } | |
| 92 | ||
| 143567 | 93 | // normal users can not clone any gitblit refs |
| JM | 94 | // JGit's RefMap is custom and does not support iterator removal :( |
| 95 | List<String> toRemove = new ArrayList<String>(); | |
| 96 | for (String ref : refs.keySet()) { | |
| 97 | if (ref.startsWith("refs/gitblit/")) { | |
| 98 | toRemove.add(ref); | |
| 99 | } | |
| 100 | } | |
| 101 | for (String ref : toRemove) { | |
| 102 | refs.remove(ref); | |
| 103 | } | |
| 75bca8 | 104 | return refs; |
| JM | 105 | } |
| 106 | } | |
| 107 | } | |
