Created a config.php option to disable local mounts for files_external (#26990)

* fixed #26887

* fix identation

apps/files_external/lib/AppInfo/Application.php

@@ -80,7 +80,6 @@ class Application extends App implements IBackendProvider, IAuthMechanismProvide
 		$container = $this->getContainer();
 
 		$backends = [
-			$container->query('OCA\Files_External\Lib\Backend\Local'),
 			$container->query('OCA\Files_External\Lib\Backend\DAV'),
 			$container->query('OCA\Files_External\Lib\Backend\OwnCloud'),
 			$container->query('OCA\Files_External\Lib\Backend\SFTP'),
@@ -93,6 +92,11 @@ class Application extends App implements IBackendProvider, IAuthMechanismProvide
 			$container->query('OCA\Files_External\Lib\Backend\SMB_OC'),
 		];
 
+		$this->allowLocalMounts = \OC::$server->getConfig()->getSystemValue('files_external_allow_local', true);
+		if ($this->allowLocalMounts === true) {
+			$backends[] = $container->query('OCA\Files_External\Lib\Backend\Local');
+		};
+
 		return $backends;
 	}
 

config/config.sample.php

@@ -1298,6 +1298,13 @@ $CONFIG = array(
  */
 'data-fingerprint' => '',
 
+/**
+ * Set this property to false if you want to disable the files_external local mount Option.
+ * Default: true
+ * 
+ */
+'files_external_allow_local' => true,
+
 /**
  * This entry is just here to show a warning in case somebody copied the sample
  * configuration. DO NOT ADD THIS SWITCH TO YOUR CONFIGURATION!