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// Copyright (C) 2013 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.sshd.commands;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
import com.google.common.base.MoreObjects;
import com.google.common.collect.Streams;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.InternalGroup;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.account.GroupCache;
import com.google.gerrit.server.group.GroupResource;
import com.google.gerrit.server.restapi.group.AddMembers;
import com.google.gerrit.server.restapi.group.AddSubgroups;
import com.google.gerrit.server.restapi.group.DeleteMembers;
import com.google.gerrit.server.restapi.group.DeleteSubgroups;
import com.google.gerrit.server.restapi.group.GroupsCollection;
import com.google.gerrit.sshd.CommandMetaData;
import com.google.gerrit.sshd.SshCommand;
import com.google.inject.Inject;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
@CommandMetaData(
name = "set-members",
description = "Modify members of specific group or number of groups")
public class SetMembersCommand extends SshCommand {
@Option(
name = "--add",
aliases = {"-a"},
metaVar = "USER",
usage = "users that should be added as group member")
private List accountsToAdd = new ArrayList<>();
@Option(
name = "--remove",
aliases = {"-r"},
metaVar = "USER",
usage = "users that should be removed from the group")
private List accountsToRemove = new ArrayList<>();
@Option(
name = "--include",
aliases = {"-i"},
metaVar = "GROUP",
usage = "group that should be included as group member")
private List groupsToInclude = new ArrayList<>();
@Option(
name = "--exclude",
aliases = {"-e"},
metaVar = "GROUP",
usage = "group that should be excluded from the group")
private List groupsToRemove = new ArrayList<>();
@Argument(
index = 0,
required = true,
multiValued = true,
metaVar = "GROUP",
usage = "groups to modify")
private List groups = new ArrayList<>();
@Inject private AddMembers addMembers;
@Inject private DeleteMembers deleteMembers;
@Inject private AddSubgroups addSubgroups;
@Inject private DeleteSubgroups deleteSubgroups;
@Inject private GroupsCollection groupsCollection;
@Inject private GroupCache groupCache;
@Inject private AccountCache accountCache;
@Override
protected void run() throws UnloggedFailure, Failure, Exception {
enableGracefulStop();
try {
for (AccountGroup.UUID groupUuid : groups) {
GroupResource resource =
groupsCollection.parse(TopLevelResource.INSTANCE, IdString.fromUrl(groupUuid.get()));
if (!accountsToRemove.isEmpty()) {
deleteMembers.apply(resource, fromMembers(accountsToRemove));
reportMembersAction("removed from", resource, accountsToRemove);
}
if (!groupsToRemove.isEmpty()) {
deleteSubgroups.apply(resource, fromGroups(groupsToRemove));
reportGroupsAction("excluded from", resource, groupsToRemove);
}
if (!accountsToAdd.isEmpty()) {
addMembers.apply(resource, fromMembers(accountsToAdd));
reportMembersAction("added to", resource, accountsToAdd);
}
if (!groupsToInclude.isEmpty()) {
addSubgroups.apply(resource, fromGroups(groupsToInclude));
reportGroupsAction("included to", resource, groupsToInclude);
}
}
} catch (RestApiException e) {
throw die(e.getMessage());
}
}
private void reportMembersAction(
String action, GroupResource group, List accountIdList)
throws UnsupportedEncodingException, IOException {
String names =
accountIdList.stream()
.map(
accountId -> {
Optional accountState = accountCache.get(accountId);
if (!accountState.isPresent()) {
return "n/a";
}
return MoreObjects.firstNonNull(
accountState.get().account().preferredEmail(), "n/a");
})
.collect(joining(", "));
out.write(
String.format("Members %s group %s: %s\n", action, group.getName(), names).getBytes(ENC));
}
private void reportGroupsAction(
String action, GroupResource group, List groupUuidList)
throws UnsupportedEncodingException, IOException {
String names =
groupUuidList.stream()
.map(uuid -> groupCache.get(uuid).map(InternalGroup::getName))
.flatMap(Streams::stream)
.collect(joining(", "));
out.write(
String.format("Groups %s group %s: %s\n", action, group.getName(), names).getBytes(ENC));
}
private AddSubgroups.Input fromGroups(List accounts) {
return AddSubgroups.Input.fromGroups(accounts.stream().map(Object::toString).collect(toList()));
}
private AddMembers.Input fromMembers(List accounts) {
return AddMembers.Input.fromMembers(accounts.stream().map(Object::toString).collect(toList()));
}
}
