| // Copyright (C) 2018 The Android Open Source Project |
| // |
| // 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.google.gerrit.server.git; |
| |
| import com.google.gerrit.server.permissions.PermissionBackend; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.transport.AbstractAdvertiseRefsHook; |
| import org.eclipse.jgit.transport.ServiceMayNotContinueException; |
| |
| /** |
| * Wrapper around {@link com.google.gerrit.server.permissions.PermissionBackend.ForProject} that |
| * implements {@link org.eclipse.jgit.transport.AdvertiseRefsHook}. |
| */ |
| public class DefaultAdvertiseRefsHook extends AbstractAdvertiseRefsHook { |
| private final PermissionBackend.ForProject perm; |
| private final PermissionBackend.RefFilterOptions opts; |
| |
| public DefaultAdvertiseRefsHook( |
| PermissionBackend.ForProject perm, PermissionBackend.RefFilterOptions opts) { |
| this.perm = perm; |
| this.opts = opts; |
| } |
| |
| @Override |
| protected Map<String, Ref> getAdvertisedRefs(Repository repo, RevWalk revWalk) |
| throws ServiceMayNotContinueException { |
| try { |
| Map<String, Ref> refs; |
| List<String> prefixes = opts.prefixes(); |
| if (prefixes.isEmpty() || prefixes.get(0).isEmpty()) { |
| refs = repo.getAllRefs(); |
| } else { |
| refs = new HashMap<>(); |
| for (String prefix : prefixes) { |
| for (Ref ref : repo.getRefDatabase().getRefsByPrefix(prefix)) { |
| refs.put(ref.getName(), ref); |
| } |
| } |
| } |
| return perm.filter(refs, repo, opts); |
| } catch (IOException | PermissionBackendException e) { |
| ServiceMayNotContinueException ex = new ServiceMayNotContinueException(); |
| ex.initCause(e); |
| throw ex; |
| } |
| } |
| } |