Basic backend support to at least store a backup model in the DB

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

@@ -3,6 +3,7 @@
 namespace Pterodactyl\Http\Controllers\Api\Client\Servers;
 
 use Pterodactyl\Models\Server;
+use Pterodactyl\Services\Backups\InitiateBackupService;
 use Pterodactyl\Transformers\Api\Client\BackupTransformer;
 use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Backups\GetBackupsRequest;
@@ -10,9 +11,21 @@ use Pterodactyl\Http\Requests\Api\Client\Servers\Backups\StoreBackupRequest;
 
 class BackupController extends ClientApiController
 {
-    public function __construct()
+    /**
+     * @var \Pterodactyl\Services\Backups\InitiateBackupService
+     */
+    private $initiateBackupService;
+
+    /**
+     * BackupController constructor.
+     *
+     * @param \Pterodactyl\Services\Backups\InitiateBackupService $initiateBackupService
+     */
+    public function __construct(InitiateBackupService $initiateBackupService)
     {
         parent::__construct();
+
+        $this->initiateBackupService = $initiateBackupService;
     }
 
     /**
@@ -35,9 +48,19 @@ class BackupController extends ClientApiController
      *
      * @param \Pterodactyl\Http\Requests\Api\Client\Servers\Backups\StoreBackupRequest $request
      * @param \Pterodactyl\Models\Server $server
+     * @return array
+     *
+     * @throws \Exception
      */
     public function store(StoreBackupRequest $request, Server $server)
     {
+        $backup = $this->initiateBackupService
+            ->setIgnoredFiles($request->input('ignored'))
+            ->handle($server, $request->input('name'));
+
+        return $this->fractal->item($backup)
+            ->transformWith($this->getTransformer(BackupTransformer::class))
+            ->toArray();
     }
 
     public function view()

app/Http/Requests/Api/Client/Servers/Backups/StoreBackupRequest.php

@@ -21,7 +21,7 @@ class StoreBackupRequest extends ClientApiRequest
     public function rules(): array
     {
         return [
-            'name' => 'nullable|string|max:255',
+            'name' => 'nullable|string|max:255|regex:/^[w\][\w\s_.-]*[\w]$/',
             'ignore' => 'nullable|string',
         ];
     }