mirror of
https://github.com/nextcloud/server.git
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384 lines
9.7 KiB
PHP
384 lines
9.7 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OC\Group;
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use OC\Hooks\PublicEmitter;
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use OC\User\LazyUser;
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use OCP\EventDispatcher\IEventDispatcher;
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use OCP\Group\Backend\ICountDisabledInGroup;
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use OCP\Group\Backend\IGetDisplayNameBackend;
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use OCP\Group\Backend\IHideFromCollaborationBackend;
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use OCP\Group\Backend\INamedBackend;
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use OCP\Group\Backend\ISearchableGroupBackend;
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use OCP\Group\Backend\ISetDisplayNameBackend;
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use OCP\Group\Events\BeforeGroupChangedEvent;
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use OCP\Group\Events\BeforeGroupDeletedEvent;
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use OCP\Group\Events\BeforeUserAddedEvent;
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use OCP\Group\Events\BeforeUserRemovedEvent;
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use OCP\Group\Events\GroupChangedEvent;
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use OCP\Group\Events\GroupDeletedEvent;
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use OCP\Group\Events\UserAddedEvent;
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use OCP\Group\Events\UserRemovedEvent;
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use OCP\GroupInterface;
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use OCP\IGroup;
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use OCP\IUser;
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use OCP\IUserManager;
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class Group implements IGroup {
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/** @var null|string */
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protected $displayName;
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/** @var string */
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private $gid;
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/** @var \OC\User\User[] */
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private $users = [];
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/** @var bool */
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private $usersLoaded;
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/** @var Backend[] */
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private $backends;
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/** @var IEventDispatcher */
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private $dispatcher;
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/** @var \OC\User\Manager|IUserManager */
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private $userManager;
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/** @var PublicEmitter */
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private $emitter;
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public function __construct(string $gid, array $backends, IEventDispatcher $dispatcher, IUserManager $userManager, ?PublicEmitter $emitter = null, ?string $displayName = null) {
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$this->gid = $gid;
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$this->backends = $backends;
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$this->dispatcher = $dispatcher;
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$this->userManager = $userManager;
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$this->emitter = $emitter;
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$this->displayName = $displayName;
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}
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public function getGID(): string {
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return $this->gid;
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}
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public function getDisplayName(): string {
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if (is_null($this->displayName)) {
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foreach ($this->backends as $backend) {
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if ($backend instanceof IGetDisplayNameBackend) {
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$displayName = $backend->getDisplayName($this->gid);
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if (trim($displayName) !== '') {
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$this->displayName = $displayName;
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return $this->displayName;
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}
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}
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}
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return $this->gid;
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}
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return $this->displayName;
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}
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public function setDisplayName(string $displayName): bool {
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$displayName = trim($displayName);
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if ($displayName !== '') {
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$this->dispatcher->dispatchTyped(new BeforeGroupChangedEvent($this, 'displayName', $displayName, $this->displayName));
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foreach ($this->backends as $backend) {
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if (($backend instanceof ISetDisplayNameBackend)
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&& $backend->setDisplayName($this->gid, $displayName)) {
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$this->displayName = $displayName;
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$this->dispatcher->dispatchTyped(new GroupChangedEvent($this, 'displayName', $displayName, ''));
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return true;
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}
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}
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}
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return false;
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}
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/**
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* get all users in the group
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*
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* @return \OC\User\User[]
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*/
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public function getUsers(): array {
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if ($this->usersLoaded) {
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return $this->users;
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}
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$userIds = [];
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foreach ($this->backends as $backend) {
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$diff = array_diff(
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$backend->usersInGroup($this->gid),
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$userIds
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);
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if ($diff) {
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$userIds = array_merge($userIds, $diff);
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}
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}
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$this->users = $this->getVerifiedUsers($userIds);
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$this->usersLoaded = true;
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return $this->users;
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}
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/**
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* check if a user is in the group
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*
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* @param IUser $user
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* @return bool
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*/
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public function inGroup(IUser $user): bool {
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if (isset($this->users[$user->getUID()])) {
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return true;
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}
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foreach ($this->backends as $backend) {
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if ($backend->inGroup($user->getUID(), $this->gid)) {
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$this->users[$user->getUID()] = $user;
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return true;
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}
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}
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return false;
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}
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/**
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* add a user to the group
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*
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* @param IUser $user
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*/
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public function addUser(IUser $user): void {
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if ($this->inGroup($user)) {
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return;
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}
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$this->dispatcher->dispatchTyped(new BeforeUserAddedEvent($this, $user));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preAddUser', [$this, $user]);
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}
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(\OC\Group\Backend::ADD_TO_GROUP)) {
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$backend->addToGroup($user->getUID(), $this->gid);
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$this->users[$user->getUID()] = $user;
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$this->dispatcher->dispatchTyped(new UserAddedEvent($this, $user));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'postAddUser', [$this, $user]);
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}
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return;
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}
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}
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}
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/**
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* remove a user from the group
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*/
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public function removeUser(IUser $user): void {
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$result = false;
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$this->dispatcher->dispatchTyped(new BeforeUserRemovedEvent($this, $user));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preRemoveUser', [$this, $user]);
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}
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(\OC\Group\Backend::REMOVE_FROM_GOUP) and $backend->inGroup($user->getUID(), $this->gid)) {
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$backend->removeFromGroup($user->getUID(), $this->gid);
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$result = true;
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}
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}
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if ($result) {
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$this->dispatcher->dispatchTyped(new UserRemovedEvent($this, $user));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'postRemoveUser', [$this, $user]);
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}
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if ($this->users) {
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foreach ($this->users as $index => $groupUser) {
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if ($groupUser->getUID() === $user->getUID()) {
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unset($this->users[$index]);
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return;
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}
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}
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}
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}
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}
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/**
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* Search for users in the group by userid or display name
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* @return IUser[]
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*/
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public function searchUsers(string $search, ?int $limit = null, ?int $offset = null): array {
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$users = [];
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foreach ($this->backends as $backend) {
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if ($backend instanceof ISearchableGroupBackend) {
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$users += $backend->searchInGroup($this->gid, $search, $limit ?? -1, $offset ?? 0);
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} else {
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$userIds = $backend->usersInGroup($this->gid, $search, $limit ?? -1, $offset ?? 0);
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$userManager = \OCP\Server::get(IUserManager::class);
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foreach ($userIds as $userId) {
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if (!isset($users[$userId])) {
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$users[$userId] = new LazyUser($userId, $userManager);
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}
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}
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}
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if (!is_null($limit) and $limit <= 0) {
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return $users;
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}
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}
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return $users;
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}
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/**
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* returns the number of users matching the search string
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*
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* @param string $search
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* @return int|bool
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*/
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public function count($search = ''): int|bool {
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$users = false;
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(\OC\Group\Backend::COUNT_USERS)) {
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if ($users === false) {
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//we could directly add to a bool variable, but this would
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//be ugly
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$users = 0;
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}
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$users += $backend->countUsersInGroup($this->gid, $search);
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}
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}
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return $users;
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}
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/**
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* returns the number of disabled users
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*
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* @return int|bool
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*/
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public function countDisabled(): int|bool {
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$users = false;
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foreach ($this->backends as $backend) {
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if ($backend instanceof ICountDisabledInGroup) {
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if ($users === false) {
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//we could directly add to a bool variable, but this would
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//be ugly
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$users = 0;
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}
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$users += $backend->countDisabledInGroup($this->gid);
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}
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}
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return $users;
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}
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/**
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* search for users in the group by displayname
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*
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return IUser[]
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* @deprecated 27.0.0 Use searchUsers instead (same implementation)
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*/
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public function searchDisplayName(string $search, ?int $limit = null, ?int $offset = null): array {
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return $this->searchUsers($search, $limit, $offset);
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}
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/**
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* Get the names of the backend classes the group is connected to
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*
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* @return string[]
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*/
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public function getBackendNames(): array {
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$backends = [];
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foreach ($this->backends as $backend) {
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if ($backend instanceof INamedBackend) {
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$backends[] = $backend->getBackendName();
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} else {
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$backends[] = get_class($backend);
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}
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}
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return $backends;
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}
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/**
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* Delete the group
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*
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* @return bool
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*/
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public function delete(): bool {
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// Prevent users from deleting group admin
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if ($this->getGID() === 'admin') {
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return false;
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}
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$result = false;
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$this->dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($this));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preDelete', [$this]);
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}
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(\OC\Group\Backend::DELETE_GROUP)) {
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$result = $result || $backend->deleteGroup($this->gid);
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}
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}
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if ($result) {
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$this->dispatcher->dispatchTyped(new GroupDeletedEvent($this));
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'postDelete', [$this]);
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}
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}
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return $result;
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}
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/**
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* returns all the Users from an array that really exists
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* @param string[] $userIds an array containing user IDs
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* @return \OC\User\User[] an Array with the userId as Key and \OC\User\User as value
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*/
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private function getVerifiedUsers(array $userIds): array {
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$users = [];
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foreach ($userIds as $userId) {
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$user = $this->userManager->get($userId);
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if (!is_null($user)) {
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$users[$userId] = $user;
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}
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}
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return $users;
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}
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/**
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* @return bool
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* @since 14.0.0
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*/
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public function canRemoveUser(): bool {
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(GroupInterface::REMOVE_FROM_GOUP)) {
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return true;
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}
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}
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return false;
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}
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/**
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* @return bool
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* @since 14.0.0
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*/
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public function canAddUser(): bool {
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foreach ($this->backends as $backend) {
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if ($backend->implementsActions(GroupInterface::ADD_TO_GROUP)) {
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return true;
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}
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}
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return false;
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}
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/**
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* @return bool
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* @since 16.0.0
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*/
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public function hideFromCollaboration(): bool {
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return array_reduce($this->backends, function (bool $hide, GroupInterface $backend) {
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return $hide | ($backend instanceof IHideFromCollaborationBackend && $backend->hideGroup($this->gid));
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}, false);
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}
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}
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