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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.server.group;
import com.google.common.base.MoreObjects;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.gerrit.common.data.GroupDescription;
import com.google.gerrit.common.data.GroupDescriptions;
import com.google.gerrit.common.data.GroupReference;
import com.google.gerrit.common.errors.NoSuchGroupException;
import com.google.gerrit.extensions.client.ListGroupsOption;
import com.google.gerrit.extensions.common.GroupInfo;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.extensions.restapi.Url;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.AccountGroup;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountResource;
import com.google.gerrit.server.account.GetGroups;
import com.google.gerrit.server.account.GroupBackend;
import com.google.gerrit.server.account.GroupCache;
import com.google.gerrit.server.account.GroupComparator;
import com.google.gerrit.server.account.GroupControl;
import com.google.gerrit.server.project.ProjectControl;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
import org.kohsuke.args4j.Option;
/** List groups visible to the calling user. */
public class ListGroups implements RestReadView {
protected final GroupCache groupCache;
private final List projects = new ArrayList<>();
private final Set groupsToInspect = new HashSet<>();
private final GroupControl.Factory groupControlFactory;
private final GroupControl.GenericFactory genericGroupControlFactory;
private final Provider identifiedUser;
private final IdentifiedUser.GenericFactory userFactory;
private final GetGroups accountGetGroups;
private final GroupJson json;
private final GroupBackend groupBackend;
private EnumSet options = EnumSet.noneOf(ListGroupsOption.class);
private boolean visibleToAll;
private Account.Id user;
private boolean owned;
private int limit;
private int start;
private String matchSubstring;
private String suggest;
@Option(
name = "--project",
aliases = {"-p"},
usage = "projects for which the groups should be listed")
public void addProject(ProjectControl project) {
projects.add(project);
}
@Option(
name = "--visible-to-all",
usage = "to list only groups that are visible to all registered users")
public void setVisibleToAll(boolean visibleToAll) {
this.visibleToAll = visibleToAll;
}
@Option(
name = "--user",
aliases = {"-u"},
usage = "user for which the groups should be listed")
public void setUser(Account.Id user) {
this.user = user;
}
@Option(
name = "--owned",
usage =
"to list only groups that are owned by the"
+ " specified user or by the calling user if no user was specifed")
public void setOwned(boolean owned) {
this.owned = owned;
}
/**
* Add a group to inspect.
*
* @param uuid UUID of the group
* @deprecated use {@link #addGroup(AccountGroup.UUID)}.
*/
@Deprecated
@Option(
name = "--query",
aliases = {"-q"},
usage = "group to inspect (deprecated: use --group/-g instead)")
void addGroup_Deprecated(AccountGroup.UUID uuid) {
addGroup(uuid);
}
@Option(
name = "--group",
aliases = {"-g"},
usage = "group to inspect")
public void addGroup(AccountGroup.UUID uuid) {
groupsToInspect.add(uuid);
}
@Option(
name = "--limit",
aliases = {"-n"},
metaVar = "CNT",
usage = "maximum number of groups to list")
public void setLimit(int limit) {
this.limit = limit;
}
@Option(
name = "--start",
aliases = {"-S"},
metaVar = "CNT",
usage = "number of groups to skip")
public void setStart(int start) {
this.start = start;
}
@Option(
name = "--match",
aliases = {"-m"},
metaVar = "MATCH",
usage = "match group substring")
public void setMatchSubstring(String matchSubstring) {
this.matchSubstring = matchSubstring;
}
@Option(
name = "--suggest",
aliases = {"-s"},
usage = "to get a suggestion of groups")
public void setSuggest(String suggest) {
this.suggest = suggest;
}
@Option(name = "-o", usage = "Output options per group")
void addOption(ListGroupsOption o) {
options.add(o);
}
@Option(name = "-O", usage = "Output option flags, in hex")
void setOptionFlagsHex(String hex) {
options.addAll(ListGroupsOption.fromBits(Integer.parseInt(hex, 16)));
}
@Inject
protected ListGroups(
final GroupCache groupCache,
final GroupControl.Factory groupControlFactory,
final GroupControl.GenericFactory genericGroupControlFactory,
final Provider identifiedUser,
final IdentifiedUser.GenericFactory userFactory,
final GetGroups accountGetGroups,
GroupJson json,
GroupBackend groupBackend) {
this.groupCache = groupCache;
this.groupControlFactory = groupControlFactory;
this.genericGroupControlFactory = genericGroupControlFactory;
this.identifiedUser = identifiedUser;
this.userFactory = userFactory;
this.accountGetGroups = accountGetGroups;
this.json = json;
this.groupBackend = groupBackend;
}
public void setOptions(EnumSet options) {
this.options = options;
}
public Account.Id getUser() {
return user;
}
public List getProjects() {
return projects;
}
@Override
public SortedMap apply(TopLevelResource resource)
throws OrmException, BadRequestException {
SortedMap output = new TreeMap<>();
for (GroupInfo info : get()) {
output.put(MoreObjects.firstNonNull(info.name, "Group " + Url.decode(info.id)), info);
info.name = null;
}
return output;
}
public List get() throws OrmException, BadRequestException {
if (!Strings.isNullOrEmpty(suggest)) {
return suggestGroups();
}
if (owned) {
return getGroupsOwnedBy(user != null ? userFactory.create(user) : identifiedUser.get());
}
if (user != null) {
return accountGetGroups.apply(new AccountResource(userFactory.create(user)));
}
return getAllGroups();
}
private List getAllGroups() throws OrmException {
List groupInfos;
List groupList;
if (!projects.isEmpty()) {
Map groups = new HashMap<>();
for (final ProjectControl projectControl : projects) {
final Set groupsRefs = projectControl.getAllGroups();
for (final GroupReference groupRef : groupsRefs) {
final AccountGroup group = groupCache.get(groupRef.getUUID());
if (group != null) {
groups.put(group.getGroupUUID(), group);
}
}
}
groupList = filterGroups(groups.values());
} else {
groupList = filterGroups(groupCache.all());
}
groupInfos = Lists.newArrayListWithCapacity(groupList.size());
int found = 0;
int foundIndex = 0;
for (AccountGroup group : groupList) {
if (foundIndex++ < start) {
continue;
}
if (limit > 0 && ++found > limit) {
break;
}
groupInfos.add(json.addOptions(options).format(GroupDescriptions.forAccountGroup(group)));
}
return groupInfos;
}
private List suggestGroups() throws OrmException, BadRequestException {
if (conflictingSuggestParameters()) {
throw new BadRequestException(
"You should only have no more than one --project and -n with --suggest");
}
List groupRefs =
Lists.newArrayList(
Iterables.limit(
groupBackend.suggest(suggest, Iterables.getFirst(projects, null)),
limit <= 0 ? 10 : Math.min(limit, 10)));
List groupInfos = Lists.newArrayListWithCapacity(groupRefs.size());
for (final GroupReference ref : groupRefs) {
GroupDescription.Basic desc = groupBackend.get(ref.getUUID());
if (desc != null) {
groupInfos.add(json.addOptions(options).format(desc));
}
}
return groupInfos;
}
private boolean conflictingSuggestParameters() {
if (Strings.isNullOrEmpty(suggest)) {
return false;
}
if (projects.size() > 1) {
return true;
}
if (visibleToAll) {
return true;
}
if (user != null) {
return true;
}
if (owned) {
return true;
}
if (start != 0) {
return true;
}
if (!groupsToInspect.isEmpty()) {
return true;
}
if (!Strings.isNullOrEmpty(matchSubstring)) {
return true;
}
return false;
}
private List getGroupsOwnedBy(IdentifiedUser user) throws OrmException {
List groups = new ArrayList<>();
int found = 0;
int foundIndex = 0;
for (AccountGroup g : filterGroups(groupCache.all())) {
GroupControl ctl = groupControlFactory.controlFor(g);
try {
if (genericGroupControlFactory.controlFor(user, g.getGroupUUID()).isOwner()) {
if (foundIndex++ < start) {
continue;
}
if (limit > 0 && ++found > limit) {
break;
}
groups.add(json.addOptions(options).format(ctl.getGroup()));
}
} catch (NoSuchGroupException e) {
continue;
}
}
return groups;
}
private List filterGroups(Collection groups) {
List filteredGroups = new ArrayList<>(groups.size());
boolean isAdmin = identifiedUser.get().getCapabilities().canAdministrateServer();
for (AccountGroup group : groups) {
if (!Strings.isNullOrEmpty(matchSubstring)) {
if (!group
.getName()
.toLowerCase(Locale.US)
.contains(matchSubstring.toLowerCase(Locale.US))) {
continue;
}
}
if (visibleToAll && !group.isVisibleToAll()) {
continue;
}
if (!groupsToInspect.isEmpty() && !groupsToInspect.contains(group.getGroupUUID())) {
continue;
}
if (!isAdmin) {
GroupControl c = groupControlFactory.controlFor(group);
if (!c.isVisible()) {
continue;
}
}
filteredGroups.add(group);
}
Collections.sort(filteredGroups, new GroupComparator());
return filteredGroups;
}
}
