Add fole check endpoint & Update dependencies

app/Http/Controllers/ApiController.php

@@ -9,7 +9,6 @@ use Illuminate\Support\Facades\Storage;
 
 class ApiController extends Controller
 {
-
     /**
      * Get Filesize of File
      */
@@ -19,7 +18,7 @@ class ApiController extends Controller
             // Decrypt Hash
             $file = Crypt::decryptString($folderhash);
             $time = Crypt::decryptString($timehash);
-        } catch (DecryptException $e) { 
+        } catch (DecryptException $e) {
             return response()->json([
                 'error' => 'Invalid Token!',
             ], 500);
@@ -32,7 +31,7 @@ class ApiController extends Controller
             ], 404);
         }
 
-        if (!Storage::exists($file)) {
+        if (! Storage::exists($file)) {
             return response()->json([
                 'error' => 'File not found!',
             ], 404);
@@ -44,7 +43,39 @@ class ApiController extends Controller
     }
 
     /**
-     * Download File 
+     * Check if a storage path exists
+     */
+    public function checkPath(string $folderhash, string $timehash): \Illuminate\Http\JsonResponse
+    {
+        try {
+            $path = Crypt::decryptString($folderhash);
+            $time = Crypt::decryptString($timehash);
+        } catch (DecryptException $e) {
+            return response()->json(['valid' => false, 'error' => 'Invalid Token!'], 422);
+        }
+
+        if (Carbon::now() > Carbon::parse($time)) {
+            return response()->json(['valid' => false, 'error' => 'Link has expired!'], 410);
+        }
+
+        // Defensive: reject traversal; only allow the known prefixes / year dirs.
+        if (str_contains($path, '..')) {
+            return response()->json(['valid' => false, 'error' => 'Invalid path!'], 422);
+        }
+
+        if (! Storage::exists($path)) {
+            return response()->json(['valid' => false, 'error' => 'File not found!'], 404);
+        }
+
+        return response()->json([
+            'valid' => true,
+            'type' => Storage::directoryExists($path) ? 'directory' : 'file',
+            'size' => Storage::directoryExists($path) ? null : Storage::size($path),
+        ]);
+    }
+
+    /**
+     * Download File
      */
     public function download(string $folderhash, string $timehash)
     {
@@ -63,26 +94,27 @@ class ApiController extends Controller
             }
 
             $filename = explode('/', $file);
-            $filePath = storage_path('app/' . $file);
+            $filePath = storage_path('app/'.$file);
 
             $headers = [
                 'Content-Type' => Storage::mimeType($file),
                 'Content-Length' => Storage::size($file),
-                'Content-Disposition' => 'attachment; filename="' . end($filename) . '"',
+                'Content-Disposition' => 'attachment; filename="'.end($filename).'"',
             ];
 
             // Stream the file in chunks to prevent memory issues
             return response()->stream(
                 function () use ($filePath) {
                     $fd = fopen($filePath, 'rb');
-                    while (!feof($fd)) {
+                    while (! feof($fd)) {
                         echo fread($fd, 2048);
                     }
                 },
                 200,
                 $headers
             );
-        } catch (DecryptException $e) { }
+        } catch (DecryptException $e) {
+        }
 
         return view('error', ['error' => 'Invalid Token!']);
     }