fix(ratelimit): Only use memory cache backend for redis

Signed-off-by: Anna Larch <anna@nextcloud.com>

diff --git a/lib/private/Server.php b/lib/private/Server.php
index 68bf3d76f362a283cae70feccb35f53b0e0cb188..2d2f2cd9a9bedbe01cc0c69c3a7553f1148b0295 100644 (file)
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -846,8 +846,8 @@ class Server extends ServerContainer implements IServerContainer {
                $this->registerDeprecatedAlias('Search', ISearch::class);
 
                $this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
-                       $cacheFactory = $c->get(ICacheFactory::class);
-                       if ($cacheFactory->isAvailable()) {
+                       $config = $c->get(\OCP\IConfig::class);
+                       if (ltrim($config->getSystemValueString('memcache.distributed', ''), '\\') === \OC\Memcache\Redis::class) {
                                $backend = new \OC\Security\RateLimiting\Backend\MemoryCacheBackend(
                                        $c->get(AllConfig::class),
                                        $this->get(ICacheFactory::class),