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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.account;
import static com.google.common.collect.Streams.stream;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;
import static java.util.stream.Stream.concat;
import com.google.common.base.Strings;
import com.google.common.collect.Sets;
import com.google.gerrit.entities.Account;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.common.AccountInfo.Tags;
import com.google.gerrit.extensions.common.AvatarInfo;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.externalids.ExternalId;
import com.google.gerrit.server.avatar.AvatarProvider;
import com.google.gerrit.server.permissions.GlobalPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Stream;
@Singleton
public class InternalAccountDirectory extends AccountDirectory {
static final Set<FillOptions> ID_ONLY = Collections.unmodifiableSet(EnumSet.of(FillOptions.ID));
public static class InternalAccountDirectoryModule extends AbstractModule {
@Override
protected void configure() {
bind(AccountDirectory.class).to(InternalAccountDirectory.class);
}
}
private final AccountCache accountCache;
private final DynamicItem<AvatarProvider> avatar;
private final IdentifiedUser.GenericFactory userFactory;
private final Provider<CurrentUser> self;
private final PermissionBackend permissionBackend;
private final ServiceUserClassifier serviceUserClassifier;
private final DynamicMap<AccountTagProvider> accountTagProviders;
@Inject
InternalAccountDirectory(
AccountCache accountCache,
DynamicItem<AvatarProvider> avatar,
IdentifiedUser.GenericFactory userFactory,
Provider<CurrentUser> self,
PermissionBackend permissionBackend,
ServiceUserClassifier serviceUserClassifier,
DynamicMap<AccountTagProvider> accountTagProviders) {
this.accountCache = accountCache;
this.avatar = avatar;
this.userFactory = userFactory;
this.self = self;
this.permissionBackend = permissionBackend;
this.serviceUserClassifier = serviceUserClassifier;
this.accountTagProviders = accountTagProviders;
}
@Override
public void fillAccountInfo(Iterable<? extends AccountInfo> in, Set<FillOptions> options)
throws PermissionBackendException {
if (options.equals(ID_ONLY)) {
return;
}
boolean canModifyAccount = false;
Account.Id currentUserId = null;
if (self.get().isIdentifiedUser()) {
currentUserId = self.get().getAccountId();
try {
permissionBackend.currentUser().check(GlobalPermission.MODIFY_ACCOUNT);
canModifyAccount = true;
} catch (AuthException e) {
canModifyAccount = false;
}
}
Set<FillOptions> fillOptionsWithoutSecondaryEmails =
Sets.difference(options, EnumSet.of(FillOptions.SECONDARY_EMAILS));
Set<Account.Id> ids = stream(in).map(a -> Account.id(a._accountId)).collect(toSet());
Map<Account.Id, AccountState> accountStates = accountCache.get(ids);
for (AccountInfo info : in) {
Account.Id id = Account.id(info._accountId);
AccountState state = accountStates.get(id);
if (state != null) {
if (!options.contains(FillOptions.SECONDARY_EMAILS)
|| Objects.equals(currentUserId, state.account().id())
|| canModifyAccount) {
fill(info, accountStates.get(id), options);
} else {
// user is not allowed to see secondary emails
fill(info, accountStates.get(id), fillOptionsWithoutSecondaryEmails);
}
} else {
info._accountId = options.contains(FillOptions.ID) ? id.get() : null;
}
}
}
private void fill(AccountInfo info, AccountState accountState, Set<FillOptions> options) {
Account account = accountState.account();
if (options.contains(FillOptions.ID)) {
info._accountId = account.id().get();
} else {
// Was previously set to look up account for filling.
info._accountId = null;
}
if (options.contains(FillOptions.NAME)) {
info.name = Strings.emptyToNull(account.fullName());
if (info.name == null) {
info.name = accountState.userName().orElse(null);
}
}
if (options.contains(FillOptions.EMAIL)) {
info.email = account.preferredEmail();
}
if (options.contains(FillOptions.SECONDARY_EMAILS)) {
info.secondaryEmails = getSecondaryEmails(account, accountState.externalIds());
}
if (options.contains(FillOptions.USERNAME)) {
info.username = accountState.userName().orElse(null);
}
if (options.contains(FillOptions.DISPLAY_NAME)) {
info.displayName = account.displayName();
}
if (options.contains(FillOptions.STATUS)) {
info.status = account.status();
}
if (options.contains(FillOptions.STATE)) {
info.inactive = account.inactive() ? true : null;
}
if (options.contains(FillOptions.TAGS)) {
List<String> tags = getTags(account.id());
if (!tags.isEmpty()) {
info.tags = tags;
}
}
if (options.contains(FillOptions.AVATARS)) {
AvatarProvider ap = avatar.get();
if (ap != null) {
info.avatars = new ArrayList<>();
IdentifiedUser user = userFactory.create(account.id());
// PolyGerrit UI uses the following sizes for avatars:
// - 32px for avatars next to names e.g. on the dashboard. This is also Gerrit's default.
// - 56px for the user's own avatar in the menu
// - 100ox for other user's avatars on dashboards
// - 120px for the user's own profile settings page
addAvatar(ap, info, user, AvatarInfo.DEFAULT_SIZE);
if (!info.avatars.isEmpty()) {
addAvatar(ap, info, user, 56);
addAvatar(ap, info, user, 100);
addAvatar(ap, info, user, 120);
}
}
}
}
public List<String> getSecondaryEmails(Account account, Collection<ExternalId> externalIds) {
return ExternalId.getEmails(externalIds)
.filter(e -> !e.equals(account.preferredEmail()))
.sorted()
.collect(toList());
}
private List<String> getTags(Account.Id id) {
Stream<String> tagsFromProviders =
stream(accountTagProviders.iterator())
.flatMap(accountTagProvider -> accountTagProvider.get().getTags(id).stream());
Stream<String> tagsFromServiceUserClassifier =
serviceUserClassifier.isServiceUser(id) ? Stream.of(Tags.SERVICE_USER) : Stream.empty();
return concat(tagsFromProviders, tagsFromServiceUserClassifier).collect(toList());
}
private static void addAvatar(
AvatarProvider provider, AccountInfo account, IdentifiedUser user, int size) {
String url = provider.getUrl(user, size);
if (url != null) {
AvatarInfo avatar = new AvatarInfo();
avatar.url = url;
avatar.height = size;
account.avatars.add(avatar);
}
}
}
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