From 0a03483aaf82def2db5a7aa41cdbd6cb95aaad88 Mon Sep 17 00:00:00 2001
From: "Alexander \"PapaTutuWawa" <papatutuwawa@polynom.me>
Date: Thu, 18 Aug 2022 15:02:17 +0200
Subject: [PATCH] feat: Allow regenerating one's device identity

---
 lib/src/omemo/sessionmanager.dart | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/src/omemo/sessionmanager.dart b/lib/src/omemo/sessionmanager.dart
index 35b2a02..0969790 100644
--- a/lib/src/omemo/sessionmanager.dart
+++ b/lib/src/omemo/sessionmanager.dart
@@ -457,6 +457,15 @@ class OmemoSessionManager {
       _eventStreamController.add(RatchetModifiedEvent(jid, deviceId, ratchet));
     });
   }
+
+  /// Generates an entirely new device. May be useful when the user wants to reset their cryptographic
+  /// identity. Triggers an event to commit it to storage.
+  Future<void> regenerateDevice({ int opkAmount = 100 }) async {
+    await _deviceLock.synchronized(() async {
+      _device = await Device.generateNewDevice(_device.jid, opkAmount: opkAmount);
+      _eventStreamController.add(DeviceModifiedEvent(_device));
+    });
+  }
   
   @visibleForTesting
   OmemoDoubleRatchet getRatchet(String jid, int deviceId) => _ratchetMap[RatchetMapKey(jid, deviceId)]!;