nextcloud/apps/provisioning_api/lib/users.php

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<?php
/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author michag86 <micha_g@arcor.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Tom Needham <tom@owncloud.com>
*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
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* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
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* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
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* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Provisioning_API;
use \OC_OCS_Result;
use \OC_SubAdmin;
use \OC_Helper;
use \OC_Group;
use OCP\Files\NotFoundException;
class Users {
/** @var \OCP\IUserManager */
private $userManager;
/** @var \OCP\IConfig */
private $config;
/** @var \OCP\IGroupManager */
private $groupManager;
/** @var \OCP\IUserSession */
private $userSession;
/**
* @param \OCP\IUserManager $userManager
* @param \OCP\IConfig $config
* @param \OCP\IGroupManager $groupManager
* @param \OCP\IUserSession $userSession
*/
public function __construct(\OCP\IUserManager $userManager,
\OCP\IConfig $config,
\OCP\IGroupManager $groupManager,
\OCP\IUserSession $userSession) {
$this->userManager = $userManager;
$this->config = $config;
$this->groupManager = $groupManager;
$this->userSession = $userSession;
}
/**
* returns a list of users
*
* @return OC_OCS_Result
*/
public function getUsers() {
$search = !empty($_GET['search']) ? $_GET['search'] : '';
$limit = !empty($_GET['limit']) ? $_GET['limit'] : null;
$offset = !empty($_GET['offset']) ? $_GET['offset'] : null;
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
// Admin? Or SubAdmin?
if($this->groupManager->isAdmin($user->getUID())){
$users = $this->userManager->search($search, $limit, $offset);
} else if (\OC_SubAdmin::isSubAdmin($user->getUID())) {
$subAdminOfGroups = \OC_SubAdmin::getSubAdminsGroups($user->getUID());
if($offset === null) {
$offset = 0;
}
$users = [];
foreach ($subAdminOfGroups as $group) {
$users = array_merge($users, $this->groupManager->displayNamesInGroup($group, $search));
}
$users = array_slice($users, $offset, $limit);
} else {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
$users = array_keys($users);
return new OC_OCS_Result([
'users' => $users
]);
}
/**
* @return OC_OCS_Result
*/
public function addUser() {
$userId = isset($_POST['userid']) ? $_POST['userid'] : null;
$password = isset($_POST['password']) ? $_POST['password'] : null;
if($this->userManager->userExists($userId)) {
\OCP\Util::writeLog('ocs_api', 'Failed addUser attempt: User already exists.', \OCP\Util::ERROR);
return new OC_OCS_Result(null, 102, 'User already exists');
} else {
try {
$this->userManager->createUser($userId, $password);
\OCP\Util::writeLog('ocs_api', 'Successful addUser call with userid: '.$_POST['userid'], \OCP\Util::INFO);
return new OC_OCS_Result(null, 100);
} catch (\Exception $e) {
\OCP\Util::writeLog('ocs_api', 'Failed addUser attempt with exception: '.$e->getMessage(), \OCP\Util::ERROR);
return new OC_OCS_Result(null, 101, 'Bad request');
}
}
}
/**
* gets user info
*
* @param array $parameters
* @return OC_OCS_Result
*/
public function getUser($parameters){
$userId = $parameters['userid'];
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
$data = [];
// Admin? Or SubAdmin?
if($this->groupManager->isAdmin($user->getUID()) || OC_SubAdmin::isUserAccessible($user->getUID(), $userId)) {
// Check they exist
if(!$this->userManager->userExists($userId)) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_NOT_FOUND, 'The requested user could not be found');
}
$data['enabled'] = $this->config->getUserValue($userId, 'core', 'enabled', 'true');
} else {
// Check they are looking up themselves
if($user->getUID() !== $userId) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
}
// Find the data
$data['quota'] = self::fillStorageInfo($userId);
$data['email'] = $this->config->getUserValue($userId, 'settings', 'email');
$data['displayname'] = $this->userManager->get($userId)->getDisplayName();
return new OC_OCS_Result($data);
}
/**
* edit users
*
* @param array $parameters
* @return OC_OCS_Result
*/
public function editUser($parameters) {
$userId = $parameters['userid'];
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
if($userId === $user->getUID()) {
// Editing self (display, email)
$permittedFields[] = 'display';
$permittedFields[] = 'email';
$permittedFields[] = 'password';
// If admin they can edit their own quota
if($this->groupManager->isAdmin($user->getUID())) {
$permittedFields[] = 'quota';
}
} else {
// Check if admin / subadmin
if(OC_SubAdmin::isUserAccessible($user->getUID(), $userId)
|| $this->groupManager->isAdmin($user->getUID())) {
// They have permissions over the user
$permittedFields[] = 'display';
$permittedFields[] = 'quota';
$permittedFields[] = 'password';
$permittedFields[] = 'email';
} else {
// No rights
return new OC_OCS_Result(null, 997);
}
}
// Check if permitted to edit this field
if(!in_array($parameters['_put']['key'], $permittedFields)) {
return new OC_OCS_Result(null, 997);
}
// Process the edit
switch($parameters['_put']['key']){
case 'display':
$this->userManager->get($userId)->setDisplayName($parameters['_put']['value']);
break;
case 'quota':
$quota = $parameters['_put']['value'];
if($quota !== 'none' and $quota !== 'default') {
if (is_numeric($quota)) {
$quota = floatval($quota);
} else {
$quota = \OCP\Util::computerFileSize($quota);
}
if ($quota === false) {
return new OC_OCS_Result(null, 103, "Invalid quota value {$parameters['_put']['value']}");
}
if($quota === 0) {
$quota = 'default';
}else if($quota === -1){
$quota = 'none';
} else {
$quota = \OCP\Util::humanFileSize($quota);
}
}
$this->config->setUserValue($userId, 'files', 'quota', $quota);
break;
case 'password':
$this->userManager->get($userId)->setPassword($parameters['_put']['value']);
break;
case 'email':
if(filter_var($parameters['_put']['value'], FILTER_VALIDATE_EMAIL)) {
$this->config->setUserValue($userId, 'settings', 'email', $parameters['_put']['value']);
} else {
return new OC_OCS_Result(null, 102);
}
break;
default:
return new OC_OCS_Result(null, 103);
break;
}
return new OC_OCS_Result(null, 100);
}
/**
* @param array $parameters
* @return OC_OCS_Result
*/
public function deleteUser($parameters) {
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
if(!$this->userManager->userExists($parameters['userid'])
|| $parameters['userid'] === $user->getUID()) {
return new OC_OCS_Result(null, 101);
}
// If not permitted
if(!$this->groupManager->isAdmin($user->getUID()) && !OC_SubAdmin::isUserAccessible($user->getUID(), $parameters['userid'])) {
return new OC_OCS_Result(null, 997);
}
// Go ahead with the delete
if($this->userManager->get($parameters['userid'])->delete()) {
return new OC_OCS_Result(null, 100);
} else {
return new OC_OCS_Result(null, 101);
}
}
/**
* @param array $parameters
* @return OC_OCS_Result
*/
public function getUsersGroups($parameters) {
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
if($parameters['userid'] === $user->getUID() || $this->groupManager->isAdmin($user->getUID())) {
// Self lookup or admin lookup
return new OC_OCS_Result([
'groups' => $this->groupManager->getUserGroupIds(
$this->userManager->get($parameters['userid'])
)
]);
} else {
// Looking up someone else
if(OC_SubAdmin::isUserAccessible($user->getUID(), $parameters['userid'])) {
// Return the group that the method caller is subadmin of for the user in question
$groups = array_intersect(
OC_SubAdmin::getSubAdminsGroups($user->getUID()),
$this->groupManager->getUserGroupIds(
$this->userManager->get($parameters['userid'])
)
);
return new OC_OCS_Result(array('groups' => $groups));
} else {
// Not permitted
return new OC_OCS_Result(null, 997);
}
}
}
/**
* @param array $parameters
* @return OC_OCS_Result
*/
public function addToGroup($parameters) {
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
$group = !empty($_POST['groupid']) ? $_POST['groupid'] : null;
if(is_null($group)){
return new OC_OCS_Result(null, 101);
}
// Check they're an admin
if(!$this->groupManager->isInGroup($user->getUID(), 'admin')){
// This user doesn't have rights to add a user to this group
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
// Check if the group exists
if(!$this->groupManager->groupExists($group)){
return new OC_OCS_Result(null, 102);
}
// Check if the user exists
if(!$this->userManager->userExists($parameters['userid'])){
return new OC_OCS_Result(null, 103);
}
// Add user to group
$this->groupManager->get($group)->addUser(
$this->userManager->get($parameters['userid'])
);
return new OC_OCS_Result(null, 100);
}
/**
* @param array $parameters
* @return OC_OCS_Result
*/
public function removeFromGroup($parameters) {
// Check if user is logged in
$user = $this->userSession->getUser();
if ($user === null) {
return new OC_OCS_Result(null, \OCP\API::RESPOND_UNAUTHORISED);
}
$group = !empty($parameters['_delete']['groupid']) ? $parameters['_delete']['groupid'] : null;
if(is_null($group)){
return new OC_OCS_Result(null, 101);
}
// If they're not an admin, check they are a subadmin of the group in question
if(!$this->groupManager->isInGroup($user->getUID(), 'admin') && !OC_SubAdmin::isSubAdminofGroup($user->getUID(), $group)){
return new OC_OCS_Result(null, 104);
}
// Check they aren't removing themselves from 'admin' or their 'subadmin; group
if($parameters['userid'] === $user->getUID()){
if($this->groupManager->isInGroup($user->getUID(), 'admin')){
if($group === 'admin'){
return new OC_OCS_Result(null, 105, 'Cannot remove yourself from the admin group');
}
} else {
// Not an admin, check they are not removing themself from their subadmin group
if(in_array($group, OC_SubAdmin::getSubAdminsGroups($user->getUID()))){
return new OC_OCS_Result(null, 105, 'Cannot remove yourself from this group as you are a SubAdmin');
}
}
}
// Check if the group exists
if(!$this->groupManager->groupExists($group)){
return new OC_OCS_Result(null, 102);
}
// Check if the user exists
if(!$this->userManager->userExists($parameters['userid'])){
return new OC_OCS_Result(null, 103);
}
// Remove user from group
$this->groupManager->get($group)->removeUser(
$this->userManager->get($parameters['userid'])
);
return new OC_OCS_Result(null, 100);
}
/**
* Creates a subadmin
*
* @param array $parameters
* @return OC_OCS_Result
*/
public function addSubAdmin($parameters) {
$group = $_POST['groupid'];
$user = $parameters['userid'];
// Check if the user exists
if(!$this->userManager->userExists($user)) {
return new OC_OCS_Result(null, 101, 'User does not exist');
}
// Check if group exists
if(!$this->groupManager->groupExists($group)) {
return new OC_OCS_Result(null, 102, 'Group:'.$group.' does not exist');
}
// Check if trying to make subadmin of admin group
if(strtolower($group) === 'admin') {
return new OC_OCS_Result(null, 103, 'Cannot create subadmins for admin group');
}
// We cannot be subadmin twice
if (OC_Subadmin::isSubAdminOfGroup($user, $group)) {
return new OC_OCS_Result(null, 100);
}
// Go
if(OC_Subadmin::createSubAdmin($user, $group)) {
return new OC_OCS_Result(null, 100);
} else {
return new OC_OCS_Result(null, 103, 'Unknown error occured');
}
}
/**
* Removes a subadmin from a group
*
* @param array $parameters
* @return OC_OCS_Result
*/
public function removeSubAdmin($parameters) {
$group = $parameters['_delete']['groupid'];
$user = $parameters['userid'];
// Check if the user exists
if(!$this->userManager->userExists($user)) {
return new OC_OCS_Result(null, 101, 'User does not exist');
}
// Check if they are a subadmin of this said group
if(!OC_SubAdmin::isSubAdminofGroup($user, $group)) {
return new OC_OCS_Result(null, 102, 'User is not a subadmin of this group');
}
// Go
if(OC_Subadmin::deleteSubAdmin($user, $group)) {
return new OC_OCS_Result(null, 100);
} else {
return new OC_OCS_Result(null, 103, 'Unknown error occurred');
}
}
/**
* Get the groups a user is a subadmin of
*
* @param array $parameters
* @return OC_OCS_Result
*/
public function getUserSubAdminGroups($parameters) {
$user = $parameters['userid'];
// Check if the user exists
if(!$this->userManager->userExists($user)) {
return new OC_OCS_Result(null, 101, 'User does not exist');
}
// Get the subadmin groups
if(!$groups = OC_SubAdmin::getSubAdminsGroups($user)) {
return new OC_OCS_Result(null, 102, 'Unknown error occurred');
} else {
return new OC_OCS_Result($groups);
}
}
/**
* @param string $userId
* @param array $data
* @return mixed
* @throws \OCP\Files\NotFoundException
*/
private static function fillStorageInfo($userId) {
$data = [];
try {
\OC_Util::tearDownFS();
\OC_Util::setupFS($userId);
$storage = OC_Helper::getStorageInfo('/');
$data = [
'free' => $storage['free'],
'used' => $storage['used'],
'total' => $storage['total'],
'relative' => $storage['relative'],
];
} catch (NotFoundException $ex) {
$data = [];
}
return $data;
}
}