From 9c0aea66ec7400a522f7acd8c4bf8363907ed1db Mon Sep 17 00:00:00 2001
From: Neeraj Gupta <254676+ua741@users.noreply.github.com>
Date: Mon, 4 Sep 2023 16:45:08 +0530
Subject: [PATCH] Check for existing key before creating new

---
 lib/core/configuration.dart | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/lib/core/configuration.dart b/lib/core/configuration.dart
index e2701765e5..a39052e655 100644
--- a/lib/core/configuration.dart
+++ b/lib/core/configuration.dart
@@ -438,12 +438,22 @@ class Configuration {
   }
 
   Future<void> optForOfflineMode() async {
-    _offlineAuthKey = Sodium.bin2base64(CryptoUtil.generateKey());
-    await _secureStorage.write(
+    if ((await _secureStorage.containsKey(
       key: offlineAuthSecretKey,
-      value: _offlineAuthKey,
       iOptions: _secureStorageOptionsIOS,
-    );
+    ))) {
+      _offlineAuthKey = await _secureStorage.read(
+        key: offlineAuthSecretKey,
+        iOptions: _secureStorageOptionsIOS,
+      );
+    } else {
+      _offlineAuthKey = Sodium.bin2base64(CryptoUtil.generateKey());
+      await _secureStorage.write(
+        key: offlineAuthSecretKey,
+        value: _offlineAuthKey,
+        iOptions: _secureStorageOptionsIOS,
+      );
+    }
     await _preferences.setBool(hasOptedForOfflineModeKey, true);
   }