Only expose storage location to admins

Co-authored-by: Côme Chilliet <91878298+come-nc@users.noreply.github.com>
Signed-off-by: Vincent Petry <vincent@nextcloud.com>

Author: PVince81

apps/provisioning_api/lib/Controller/AUserData.php

@@ -104,6 +104,7 @@ public function __construct(string $appName,
 	 */
 	protected function getUserData(string $userId, bool $includeScopes = false): array {
 		$currentLoggedInUser = $this->userSession->getUser();
+		assert($currentLoggedInUser !== null, 'No user logged in');
 
 		$data = [];
 
@@ -113,8 +114,8 @@ protected function getUserData(string $userId, bool $includeScopes = false): arr
 			throw new OCSNotFoundException('User does not exist');
 		}
 
-		// Should be at least Admin Or SubAdmin!
-		if ($this->groupManager->isAdmin($currentLoggedInUser->getUID())
+		$isAdmin = $this->groupManager->isAdmin($currentLoggedInUser->getUID());
+		if ($isAdmin
 			|| $this->groupManager->getSubAdmin()->isUserAccessible($currentLoggedInUser, $targetUserObject)) {
 			$data['enabled'] = $this->config->getUserValue($targetUserObject->getUID(), 'core', 'enabled', 'true') === 'true';
 		} else {
@@ -132,13 +133,15 @@ protected function getUserData(string $userId, bool $includeScopes = false): arr
 			$gids[] = $group->getGID();
 		}
 
-		try {
-			# might be thrown by LDAP due to handling of users disappears
-			# from the external source (reasons unknown to us)
-			# cf. https://github.com/nextcloud/server/issues/12991
-			$data['storageLocation'] = $targetUserObject->getHome();
-		} catch (NoUserException $e) {
-			throw new OCSNotFoundException($e->getMessage(), $e);
+		if ($isAdmin) {
+			try {
+				# might be thrown by LDAP due to handling of users disappears
+				# from the external source (reasons unknown to us)
+				# cf. https://github.com/nextcloud/server/issues/12991
+				$data['storageLocation'] = $targetUserObject->getHome();
+			} catch (NoUserException $e) {
+				throw new OCSNotFoundException($e->getMessage(), $e);
+			}
 		}
 
 		// Find the data

apps/provisioning_api/tests/Controller/UsersControllerTest.php

@@ -1165,9 +1165,8 @@ public function testGetUserDataAsSubAdminAndUserIsAccessible() {
 			->method('getDisplayName')
 			->willReturn('Demo User');
 		$targetUser
-			->expects($this->once())
-			->method('getHome')
-			->willReturn('/var/www/newtcloud/data/UID');
+			->expects($this->never())
+			->method('getHome');
 		$targetUser
 			->expects($this->once())
 			->method('getLastLogin')
@@ -1206,7 +1205,6 @@ public function testGetUserDataAsSubAdminAndUserIsAccessible() {
 		$expected = [
 			'id' => 'UID',
 			'enabled' => true,
-			'storageLocation' => '/var/www/newtcloud/data/UID',
 			'lastLogin' => 1521191471000,
 			'backend' => 'Database',
 			'subadmin' => [],
@@ -1349,9 +1347,8 @@ public function testGetUserDataAsSubAdminSelfLookup() {
 			->method('getUID')
 			->willReturn('UID');
 		$targetUser
-			->expects($this->once())
-			->method('getHome')
-			->willReturn('/var/www/newtcloud/data/UID');
+			->expects($this->never())
+			->method('getHome');
 		$targetUser
 			->expects($this->once())
 			->method('getLastLogin')
@@ -1385,7 +1382,6 @@ public function testGetUserDataAsSubAdminSelfLookup() {
 
 		$expected = [
 			'id' => 'UID',
-			'storageLocation' => '/var/www/newtcloud/data/UID',
 			'lastLogin' => 1521191471000,
 			'backend' => 'Database',
 			'subadmin' => [],