Implement creator studio and upload updates

app/Http/Requests/NovaCards/UploadNovaCardBackgroundRequest.php

@@ -7,7 +7,6 @@ namespace App\Http\Requests\NovaCards;
 use Closure;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Http\UploadedFile;
-use Illuminate\Validation\Rule;
 
 class UploadNovaCardBackgroundRequest extends FormRequest
 {
@@ -26,22 +25,56 @@ class UploadNovaCardBackgroundRequest extends FormRequest
                 'bail',
                 'required',
                 'file',
-                static function (string $attribute, mixed $value, Closure $fail): void {
-                    if (! $value instanceof UploadedFile) {
-                        return;
-                    }
-
-                    $path = $value->getRealPath() ?: $value->getPathname();
-
-                    if (! $value->isValid() || ! is_string($path) || trim($path) === '') {
-                        $fail('The ' . $attribute . ' upload is invalid.');
-                    }
+                function (string $attribute, mixed $value, Closure $fail): void {
+                    $this->validateUpload($attribute, $value, $fail);
                 },
                 'image',
                 'mimes:jpeg,jpg,png,webp',
                 'max:' . $maxKilobytes,
-                Rule::dimensions()->minWidth(480)->minHeight(480),
+                function (string $attribute, mixed $value, Closure $fail): void {
+                    $this->validateMinimumDimensions($attribute, $value, $fail, 480, 480);
+                },
             ],
         ];
     }
+
+    private function validateUpload(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (! $value instanceof UploadedFile) {
+            return;
+        }
+
+        $path = $value->getRealPath() ?: $value->getPathname();
+
+        if (! $value->isValid() || ! is_string($path) || trim($path) === '' || ! is_readable($path)) {
+            $fail('The ' . $attribute . ' upload is invalid.');
+        }
+    }
+
+    private function validateMinimumDimensions(string $attribute, mixed $value, Closure $fail, int $minWidth, int $minHeight): void
+    {
+        if (! $value instanceof UploadedFile) {
+            return;
+        }
+
+        $path = $value->getRealPath() ?: $value->getPathname();
+
+        if (! is_string($path) || trim($path) === '' || ! is_readable($path)) {
+            $fail('The ' . $attribute . ' upload is invalid.');
+
+            return;
+        }
+
+        $binary = @file_get_contents($path);
+        if ($binary === false || $binary === '') {
+            $fail('The ' . $attribute . ' upload is invalid.');
+
+            return;
+        }
+
+        $dimensions = @getimagesizefromstring($binary);
+        if (! is_array($dimensions) || ($dimensions[0] ?? 0) < $minWidth || ($dimensions[1] ?? 0) < $minHeight) {
+            $fail(sprintf('The %s must be at least %dx%d pixels.', $attribute, $minWidth, $minHeight));
+        }
+    }
 }