Add basic server activity log view

app/Http/Controllers/Api/Client/Servers/ActivityLogController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Api\Client\Servers;
+
+use Pterodactyl\Models\Server;
+use Pterodactyl\Models\Permission;
+use Spatie\QueryBuilder\QueryBuilder;
+use Spatie\QueryBuilder\AllowedFilter;
+use Pterodactyl\Http\Requests\Api\Client\ClientApiRequest;
+use Pterodactyl\Transformers\Api\Client\ActivityLogTransformer;
+use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
+
+class ActivityLogController extends ClientApiController
+{
+    /**
+     * Returns the activity logs for a server.
+     */
+    public function __invoke(ClientApiRequest $request, Server $server): array
+    {
+        $this->authorize(Permission::ACTION_ACTIVITY_READ, $server);
+
+        $activity = QueryBuilder::for($server->activity())
+            ->with('actor')
+            ->allowedSorts(['timestamp'])
+            ->allowedFilters([
+                AllowedFilter::exact('ip'),
+                AllowedFilter::partial('event'),
+            ])
+            ->paginate(min($request->query('per_page', 25), 100))
+            ->appends($request->query());
+
+        return $this->fractal->collection($activity)
+            ->transformWith($this->getTransformer(ActivityLogTransformer::class))
+            ->toArray();
+    }
+}