Safe storage (#357)

* Add safe storage methods

* fix

Author: simonhamp

src/Facades/System.php

@@ -7,6 +7,9 @@
 /**
  * @method static bool canPromptTouchID()
  * @method static bool promptTouchID(string $reason)
+ * @method static bool canEncrypt()
+ * @method static string encrypt(string $string)
+ * @method static string decrypt(string $string)
  * @method static array printers()
  * @method static void print(string $html, ?\Native\Laravel\DataObjects\Printer $printer = null)
  * @method static string printToPDF(string $reason)

src/System.php

@@ -22,6 +22,25 @@ public function promptTouchID(string $reason): bool
         ])->successful();
     }
 
+    public function canEncrypt(): bool
+    {
+        return $this->client->get('system/can-encrypt')->json('result');
+    }
+
+    public function encrypt(string $string): ?string
+    {
+        return $this->client->post('system/encrypt', [
+            'string' => $string,
+        ])->json('result');
+    }
+
+    public function decrypt(string $string): ?string
+    {
+        return $this->client->post('system/decrypt', [
+            'string' => $string,
+        ])->json('result');
+    }
+
     /**
      * @return array<\Native\Laravel\DataObjects\Printer>
      */