com.google.gerrit.server.restapi.group.ListGroups Maven / Gradle / Ivy
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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.restapi.group;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static java.util.stream.Collectors.toList;
import com.google.common.base.MoreObjects;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.AccountGroup;
import com.google.gerrit.entities.GroupDescription;
import com.google.gerrit.entities.GroupReference;
import com.google.gerrit.exceptions.NoSuchGroupException;
import com.google.gerrit.extensions.client.ListGroupsOption;
import com.google.gerrit.extensions.client.ListOption;
import com.google.gerrit.extensions.common.GroupInfo;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
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.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountResource;
import com.google.gerrit.server.account.GroupBackend;
import com.google.gerrit.server.account.GroupCache;
import com.google.gerrit.server.account.GroupControl;
import com.google.gerrit.server.group.GroupResolver;
import com.google.gerrit.server.group.InternalGroupDescription;
import com.google.gerrit.server.group.db.Groups;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.restapi.account.GetGroups;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.NavigableMap;
import java.util.Set;
import java.util.TreeMap;
import java.util.function.Predicate;
import java.util.regex.Pattern;
import java.util.stream.Stream;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.kohsuke.args4j.Option;
/** List groups visible to the calling user. */
public class ListGroups implements RestReadView {
private static final Comparator GROUP_COMPARATOR =
Comparator.comparing(GroupDescription.Basic::getName);
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 final Groups groups;
private final GroupResolver groupResolver;
private Set 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 matchRegex;
private String suggest;
private String ownedBy;
@Option(
name = "--project",
aliases = {"-p"},
usage = "projects for which the groups should be listed")
public void addProject(ProjectState 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;
}
@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 = "--regex",
aliases = {"-r"},
metaVar = "REGEX",
usage = "match group regex")
public void setMatchRegex(String matchRegex) {
this.matchRegex = matchRegex;
}
@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) throws BadRequestException {
options.addAll(ListOption.fromHexString(ListGroupsOption.class, hex));
}
@Option(
name = "--owned-by",
aliases = {"--ownedby"},
usage = "list groups owned by the given group uuid")
public void setOwnedBy(String ownedBy) {
this.ownedBy = ownedBy;
}
@Inject
protected ListGroups(
final GroupCache groupCache,
final GroupControl.Factory groupControlFactory,
final GroupControl.GenericFactory genericGroupControlFactory,
final Provider identifiedUser,
final IdentifiedUser.GenericFactory userFactory,
final GetGroups accountGetGroups,
final GroupResolver groupResolver,
GroupJson json,
GroupBackend groupBackend,
Groups groups) {
this.groupCache = groupCache;
this.groupControlFactory = groupControlFactory;
this.genericGroupControlFactory = genericGroupControlFactory;
this.identifiedUser = identifiedUser;
this.userFactory = userFactory;
this.accountGetGroups = accountGetGroups;
this.json = json;
this.groupBackend = groupBackend;
this.groups = groups;
this.groupResolver = groupResolver;
}
public void setOptions(Set options) {
this.options = options;
}
public Account.Id getUser() {
return user;
}
public List getProjects() {
return projects;
}
@Override
public Response> apply(TopLevelResource resource)
throws Exception {
NavigableMap output = new TreeMap<>();
for (GroupInfo info : get()) {
output.put(MoreObjects.firstNonNull(info.name, "Group " + Url.decode(info.id)), info);
info.name = null;
}
return Response.ok(output);
}
public List get() throws Exception {
if (!Strings.isNullOrEmpty(suggest)) {
return suggestGroups();
}
if (!Strings.isNullOrEmpty(matchSubstring) && !Strings.isNullOrEmpty(matchRegex)) {
throw new BadRequestException("Specify one of m/r");
}
if (ownedBy != null) {
return getGroupsOwnedBy(ownedBy);
}
if (owned) {
return getGroupsOwnedBy(user != null ? userFactory.create(user) : identifiedUser.get());
}
if (user != null) {
return accountGetGroups.apply(new AccountResource(userFactory.create(user))).value();
}
return getAllGroups();
}
private List getAllGroups()
throws IOException, ConfigInvalidException, PermissionBackendException {
Pattern pattern = getRegexPattern();
Stream existingGroups =
loadGroups(
getAllExistingGroups()
.filter(group -> isRelevant(pattern, group))
.map(g -> g.getUUID())
.collect(toImmutableSet()))
.stream()
.filter(this::isVisible)
.sorted(GROUP_COMPARATOR)
.skip(start);
if (limit > 0) {
existingGroups = existingGroups.limit(limit);
}
ImmutableList relevantGroups =
existingGroups.collect(toImmutableList());
List groupInfos = Lists.newArrayListWithCapacity(relevantGroups.size());
for (GroupDescription.Internal group : relevantGroups) {
groupInfos.add(json.addOptions(options).format(group));
}
return groupInfos;
}
private Stream getAllExistingGroups() throws IOException, ConfigInvalidException {
if (!projects.isEmpty()) {
return projects.stream()
.map(ProjectState::getAllGroups)
.flatMap(Collection::stream)
.distinct();
}
return groups.getAllGroupReferences();
}
private List suggestGroups() throws BadRequestException, PermissionBackendException {
if (conflictingSuggestParameters()) {
throw new BadRequestException(
"You should only have no more than one --project and -n with --suggest");
}
List groupRefs =
groupBackend.suggest(suggest, projects.stream().findFirst().orElse(null)).stream()
.limit(limit <= 0 ? 10 : Math.min(limit, 10))
.collect(toList());
List groupInfos = Lists.newArrayListWithCapacity(groupRefs.size());
for (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 (ownedBy != null) {
return true;
}
if (start != 0) {
return true;
}
if (!groupsToInspect.isEmpty()) {
return true;
}
if (!Strings.isNullOrEmpty(matchSubstring)) {
return true;
}
if (!Strings.isNullOrEmpty(matchRegex)) {
return true;
}
return false;
}
private List filterGroupsOwnedBy(Predicate filter)
throws IOException, ConfigInvalidException, PermissionBackendException {
Pattern pattern = getRegexPattern();
Stream foundGroups =
loadGroups(
groups
.getAllGroupReferences()
.filter(group -> isRelevant(pattern, group))
.map(g -> g.getUUID())
.collect(toImmutableSet()))
.stream()
.filter(this::isVisible)
.filter(filter)
.sorted(GROUP_COMPARATOR)
.skip(start);
if (limit > 0) {
foundGroups = foundGroups.limit(limit);
}
ImmutableList ownedGroups = foundGroups.collect(toImmutableList());
List groupInfos = new ArrayList<>(ownedGroups.size());
for (GroupDescription.Internal group : ownedGroups) {
groupInfos.add(json.addOptions(options).format(group));
}
return groupInfos;
}
private ImmutableSet loadGroups(
Collection groupUuids) {
return groupCache.get(groupUuids).values().stream()
.map(InternalGroupDescription::new)
.collect(toImmutableSet());
}
private List getGroupsOwnedBy(String id)
throws RestApiException, IOException, ConfigInvalidException, PermissionBackendException {
String uuid = groupResolver.parse(id).getGroupUUID().get();
return filterGroupsOwnedBy(group -> group.getOwnerGroupUUID().get().equals(uuid));
}
private List getGroupsOwnedBy(IdentifiedUser user)
throws IOException, ConfigInvalidException, PermissionBackendException {
return filterGroupsOwnedBy(group -> isOwner(user, group));
}
private boolean isOwner(CurrentUser user, GroupDescription.Internal group) {
try {
return genericGroupControlFactory.controlFor(user, group.getGroupUUID()).isOwner();
} catch (NoSuchGroupException e) {
return false;
}
}
@Nullable
private Pattern getRegexPattern() {
return Strings.isNullOrEmpty(matchRegex) ? null : Pattern.compile(matchRegex);
}
private boolean isRelevant(Pattern pattern, GroupReference group) {
if (!Strings.isNullOrEmpty(matchSubstring)) {
if (!group.getName().toLowerCase(Locale.US).contains(matchSubstring.toLowerCase(Locale.US))) {
return false;
}
} else if (pattern != null) {
if (!pattern.matcher(group.getName()).matches()) {
return false;
}
}
return groupsToInspect.isEmpty() || groupsToInspect.contains(group.getUUID());
}
private boolean isVisible(GroupDescription.Internal group) {
if (visibleToAll && !group.isVisibleToAll()) {
return false;
}
GroupControl c = groupControlFactory.controlFor(group);
return c.isVisible();
}
}
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