302 lines
7.1 KiB
PHP
302 lines
7.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Group;
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use OCP\IGroup;
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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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/**
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* @var string $id
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*/
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private $gid;
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/**
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* @var \OC\User\User[] $users
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*/
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private $users = array();
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/**
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* @var bool $usersLoaded
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*/
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private $usersLoaded;
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/**
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* @var \OC\Group\Backend[]|\OC\Group\Database[] $backend
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*/
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private $backends;
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/**
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* @var \OC\Hooks\PublicEmitter $emitter
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*/
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private $emitter;
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/**
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* @var \OC\User\Manager $userManager
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*/
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private $userManager;
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/**
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* @param string $gid
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* @param \OC\Group\Backend[] $backends
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* @param \OC\User\Manager $userManager
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* @param \OC\Hooks\PublicEmitter $emitter
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* @param string $displayName
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*/
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public function __construct($gid, $backends, $userManager, $emitter = null, $displayName = null) {
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$this->gid = $gid;
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$this->backends = $backends;
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$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() {
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return $this->gid;
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}
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public function getDisplayName() {
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if (is_null($this->displayName)) {
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return $this->gid;
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}
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return $this->displayName;
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}
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/**
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* get all users in the group
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*
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* @return \OC\User\User[]
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*/
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public function getUsers() {
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if ($this->usersLoaded) {
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return $this->users;
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}
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$userIds = array();
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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 \OC\User\User $user
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* @return bool
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*/
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public function inGroup($user) {
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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 \OC\User\User $user
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*/
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public function addUser($user) {
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if ($this->inGroup($user)) {
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return;
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}
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preAddUser', array($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(), $this->gid);
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if ($this->users) {
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$this->users[$user->getUID()] = $user;
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}
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'postAddUser', array($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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* @param \OC\User\User $user
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*/
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public function removeUser($user) {
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$result = false;
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preRemoveUser', array($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 ($result) {
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'postRemoveUser', array($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
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*
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return \OC\User\User[]
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*/
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public function searchUsers($search, $limit = null, $offset = null) {
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$users = array();
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foreach ($this->backends as $backend) {
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$userIds = $backend->usersInGroup($this->gid, $search, $limit, $offset);
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$users += $this->getVerifiedUsers($userIds);
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if (!is_null($limit) and $limit <= 0) {
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return array_values($users);
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}
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}
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return array_values($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 = '') {
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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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* 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 $offset
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* @return \OC\User\User[]
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*/
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public function searchDisplayName($search, $limit = null, $offset = null) {
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$users = array();
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foreach ($this->backends as $backend) {
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$userIds = $backend->usersInGroup($this->gid, $search, $limit, $offset);
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$users = $this->getVerifiedUsers($userIds);
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if (!is_null($limit) and $limit <= 0) {
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return array_values($users);
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}
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}
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return array_values($users);
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}
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/**
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* delete the group
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*
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* @return bool
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*/
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public function delete() {
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// Prevent users from deleting group admin
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if ($this->getGID() === 'admin') {
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return false;
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}
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$result = false;
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if ($this->emitter) {
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$this->emitter->emit('\OC\Group', 'preDelete', array($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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$result = true;
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$backend->deleteGroup($this->gid);
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}
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}
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if ($result and $this->emitter) {
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$this->emitter->emit('\OC\Group', 'postDelete', array($this));
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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[] $userIds an array containing user IDs
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* @return \OC\User\User[] an Array with the userId as Key and \OC\User\User as value
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*/
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private function getVerifiedUsers($userIds) {
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if (!is_array($userIds)) {
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return array();
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}
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$users = array();
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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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