remove listeners to OC_Filesystem::(write|rename) old style hooks

- the events are not emitted anymore
- OC_Filesystem::isBlacklisted() is not called from anywhere else

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

lib/base.php

@@ -745,7 +745,6 @@ class OC {
 		}
 
 		self::registerCleanupHooks($systemConfig);
-		self::registerFilesystemHooks();
 		self::registerShareHooks($systemConfig);
 		self::registerEncryptionWrapperAndHooks();
 		self::registerAccountHooks();
@@ -917,15 +916,6 @@ class OC {
 		\OC\Collaboration\Reference\File\FileReferenceEventListener::register(Server::get(IEventDispatcher::class));
 	}
 
-	/**
-	 * register hooks for the filesystem
-	 */
-	public static function registerFilesystemHooks() {
-		// Check for blacklisted files
-		OC_Hook::connect('OC_Filesystem', 'write', Filesystem::class, 'isBlacklisted');
-		OC_Hook::connect('OC_Filesystem', 'rename', Filesystem::class, 'isBlacklisted');
-	}
-
 	/**
 	 * register hooks for sharing
 	 */

lib/private/Files/Filesystem.php

@@ -488,25 +488,6 @@ class Filesystem {
 		return true;
 	}
 
-	/**
-	 * checks if a file is blacklisted for storage in the filesystem
-	 * Listens to write and rename hooks
-	 *
-	 * @param array $data from hook
-	 */
-	public static function isBlacklisted($data) {
-		if (isset($data['path'])) {
-			$path = $data['path'];
-		} elseif (isset($data['newpath'])) {
-			$path = $data['newpath'];
-		}
-		if (isset($path)) {
-			if (self::isFileBlacklisted($path)) {
-				$data['run'] = false;
-			}
-		}
-	}
-
 	/**
 	 * @param string $filename
 	 * @return bool