Migrate permission away from Jetstream; Moved update user to REST API

app/Rules/Base64ImageRule.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Rules;
+
+use App\Support\Base64File;
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Translation\PotentiallyTranslatedString;
+
+class Base64ImageRule implements ValidationRule
+{
+    private const array ALLOWED_MIME_TYPES = [
+        'image/jpeg',
+        'image/png',
+    ];
+
+    /**
+     * Run the validation rule.
+     *
+     * @param  Closure(string): PotentiallyTranslatedString  $fail
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (! is_string($value)) {
+            $fail(__('validation.string'));
+
+            return;
+        }
+
+        $file = Base64File::decode($value);
+        if ($file === null || ! in_array($file['mime_type'], self::ALLOWED_MIME_TYPES, true)) {
+            $fail(__('validation.mimes', ['values' => 'jpg, png']));
+        }
+    }
+}