All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.google.gerrit.server.account.GroupMembers Maven / Gradle / Ivy

There is a newer version: 3.10.1
Show newest version
// Copyright (C) 2011 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.account;

import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static com.google.gerrit.server.project.ProjectCache.noSuchProject;

import com.google.common.collect.Sets;
import com.google.common.collect.Streams;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.InternalGroup;
import com.google.gerrit.entities.Project;
import com.google.gerrit.server.group.InternalGroupDescription;
import com.google.gerrit.server.group.SystemGroupBackend;
import com.google.gerrit.server.project.NoSuchProjectException;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;

@Singleton
public class GroupMembers {

  private final GroupCache groupCache;
  private final GroupControl.Factory groupControlFactory;
  private final AccountCache accountCache;
  private final ProjectCache projectCache;

  @Inject
  GroupMembers(
      GroupCache groupCache,
      GroupControl.Factory groupControlFactory,
      AccountCache accountCache,
      ProjectCache projectCache) {
    this.groupCache = groupCache;
    this.groupControlFactory = groupControlFactory;
    this.accountCache = accountCache;
    this.projectCache = projectCache;
  }

  /**
   * Recursively enumerate the members of the given group. Should not be used with the
   * PROJECT_OWNERS magical group.
   *
   * 

Group members for which an account doesn't exist are filtered out. */ public Set listAccounts(AccountGroup.UUID groupUUID) throws IOException { if (SystemGroupBackend.PROJECT_OWNERS.equals(groupUUID)) { throw new IllegalStateException("listAccounts called with PROJECT_OWNERS argument"); } try { return listAccounts(groupUUID, null, new HashSet<>()); } catch (NoSuchProjectException e) { throw new IllegalStateException(e); } } /** * Recursively enumerate the members of the given group. The project should be specified so the * PROJECT_OWNERS magical group can be expanded. * *

Group members for which an account doesn't exist are filtered out. */ public Set listAccounts(AccountGroup.UUID groupUUID, Project.NameKey project) throws NoSuchProjectException, IOException { return listAccounts(groupUUID, project, new HashSet<>()); } private Set listAccounts( final AccountGroup.UUID groupUUID, @Nullable final Project.NameKey project, final Set seen) throws NoSuchProjectException, IOException { if (SystemGroupBackend.PROJECT_OWNERS.equals(groupUUID)) { return getProjectOwners(project, seen); } Optional group = groupCache.get(groupUUID); if (group.isPresent()) { return getGroupMembers(group.get(), project, seen); } return Collections.emptySet(); } private Set getProjectOwners(final Project.NameKey project, Set seen) throws NoSuchProjectException, IOException { seen.add(SystemGroupBackend.PROJECT_OWNERS); if (project == null) { return Collections.emptySet(); } ProjectState projectState = projectCache.get(project).orElseThrow(noSuchProject(project)); final HashSet projectOwners = new HashSet<>(); for (AccountGroup.UUID ownerGroup : projectState.getAllOwners()) { if (!seen.contains(ownerGroup)) { projectOwners.addAll(listAccounts(ownerGroup, project, seen)); } } return projectOwners; } private Set getGroupMembers( InternalGroup group, @Nullable Project.NameKey project, Set seen) throws NoSuchProjectException, IOException { seen.add(group.getGroupUUID()); GroupControl groupControl = groupControlFactory.controlFor(new InternalGroupDescription(group)); Set directMembers = group.getMembers().stream() .filter(groupControl::canSeeMember) .map(accountCache::get) .flatMap(Streams::stream) .map(AccountState::account) .collect(toImmutableSet()); Set indirectMembers = new HashSet<>(); if (groupControl.canSeeGroup()) { for (AccountGroup.UUID subgroupUuid : group.getSubgroups()) { if (!seen.contains(subgroupUuid)) { indirectMembers.addAll(listAccounts(subgroupUuid, project, seen)); } } } return Sets.union(directMembers, indirectMembers); } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy