From ad8cb4f243be164f9184bb4de81b234f8591b9aa Mon Sep 17 00:00:00 2001
From: nielsandriesse <andriesseniels@gmail.com>
Date: Mon, 3 Aug 2020 09:10:24 +1000
Subject: [PATCH] Unregister the user from APNs when they clear their account

---
 Signal/src/AppDelegate.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Signal/src/AppDelegate.m b/Signal/src/AppDelegate.m
index 4c4767cea..d00367ab4 100644
--- a/Signal/src/AppDelegate.m
+++ b/Signal/src/AppDelegate.m
@@ -936,6 +936,13 @@ static NSTimeInterval launchStartedAt;
 
 - (void)handleDataNukeRequested:(NSNotification *)notification
 {
+    NSUserDefaults *userDefaults = NSUserDefaults.standardUserDefaults;
+    BOOL isUsingFullAPNs = [userDefaults boolForKey:@"isUsingFullAPNs"];
+    NSString *hexEncodedDeviceToken = [userDefaults stringForKey:@"deviceToken"];
+    if (isUsingFullAPNs && hexEncodedDeviceToken != nil) {
+        NSData *deviceToken = [NSData dataFromHexString:hexEncodedDeviceToken];
+        [[LKPushNotificationManager registerWithToken:deviceToken isForcedUpdate:YES] retainUntilComplete]; // This actually unregisters the user; we should rename the function
+    }
     [ThreadUtil deleteAllContent];
     [SSKEnvironment.shared.messageSenderJobQueue clearAllJobs];
     [SSKEnvironment.shared.identityManager clearIdentityKey];