Fix user and group listing with users that have an integer user id

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/provisioning_api/lib/Controller/AUserData.php

@@ -74,7 +74,7 @@ abstract class AUserData extends OCSController {
 	/**
 	 * creates a array with all user data
 	 *
-	 * @param $userId
+	 * @param string $userId
 	 * @return array
 	 * @throws OCSException
 	 */

apps/provisioning_api/lib/Controller/GroupsController.php

@@ -186,26 +186,25 @@ class GroupsController extends AUserData {
 	 * @throws OCSException
 	 */
 	public function getGroupUsersDetails(string $groupId, string $search = '', int $limit = null, int $offset = 0): DataResponse {
-		$user = $this->userSession->getUser();
-		$isSubadminOfGroup = false;
+		$currentUser = $this->userSession->getUser();
 
 		// Check the group exists
 		$group = $this->groupManager->get($groupId);
 		if ($group !== null) {
-			$isSubadminOfGroup =$this->groupManager->getSubAdmin()->isSubAdminOfGroup($user, $group);
+			$isSubadminOfGroup = $this->groupManager->getSubAdmin()->isSubAdminOfGroup($currentUser, $group);
 		} else {
 			throw new OCSException('The requested group could not be found', \OCP\API::RESPOND_NOT_FOUND);
 		}
 
 		// Check subadmin has access to this group
-		if($this->groupManager->isAdmin($user->getUID())
-		   || $isSubadminOfGroup) {
-			$users = $this->groupManager->get($groupId)->searchUsers($search, $limit, $offset);
+		if($this->groupManager->isAdmin($currentUser->getUID()) || $isSubadminOfGroup) {
+			$users = $group->searchUsers($search, $limit, $offset);
 
 			// Extract required number
-			$users = array_keys($users);
 			$usersDetails = [];
-			foreach ($users as $userId) {
+			foreach ($users as $user) {
+				/** @var IUser $user */
+				$userId = (string) $user->getUID();
 				$userData = $this->getUserData($userId);
 				// Do not insert empty entry
 				if(!empty($userData)) {

apps/provisioning_api/lib/Controller/UsersController.php

@@ -46,6 +46,7 @@ use OCP\IGroup;
 use OCP\IGroupManager;
 use OCP\ILogger;
 use OCP\IRequest;
+use OCP\IUser;
 use OCP\IUserManager;
 use OCP\IUserSession;
 use OCP\L10N\IFactory;
@@ -154,29 +155,31 @@ class UsersController extends AUserData {
 	 * returns a list of users and their data
 	 */
 	public function getUsersDetails(string $search = '', $limit = null, $offset = 0): DataResponse {
-		$user = $this->userSession->getUser();
+		$currentUser = $this->userSession->getUser();
 		$users = [];
 
 		// Admin? Or SubAdmin?
-		$uid = $user->getUID();
+		$uid = $currentUser->getUID();
 		$subAdminManager = $this->groupManager->getSubAdmin();
 		if ($this->groupManager->isAdmin($uid)){
 			$users = $this->userManager->search($search, $limit, $offset);
-		} else if ($subAdminManager->isSubAdmin($user)) {
-			$subAdminOfGroups = $subAdminManager->getSubAdminsGroups($user);
+			$users = array_keys($users);
+		} else if ($subAdminManager->isSubAdmin($currentUser)) {
+			$subAdminOfGroups = $subAdminManager->getSubAdminsGroups($currentUser);
 			foreach ($subAdminOfGroups as $key => $group) {
 				$subAdminOfGroups[$key] = $group->getGID();
 			}
 
 			$users = [];
 			foreach ($subAdminOfGroups as $group) {
-				$users = array_merge($users, $this->groupManager->displayNamesInGroup($group, $search, $limit, $offset));
+				$users[] = array_keys($this->groupManager->displayNamesInGroup($group, $search, $limit, $offset));
 			}
+			$users = array_merge(...$users);
 		}
 
-		$users = array_keys($users);
 		$usersDetails = [];
-		foreach ($users as $key => $userId) {
+		foreach ($users as $userId) {
+			$userId = (string) $userId;
 			$userData = $this->getUserData($userId);
 			// Do not insert empty entry
 			if (!empty($userData)) {