From 6e54c67429e7de7aad1912022cf61d83eb1cd470 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 18 Jun 2019 21:09:08 +0200
Subject: [PATCH] Throw exception on refreshing token in third party builds

---
 app/src/main/java/eu/faircode/email/ConnectionHelper.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/ConnectionHelper.java b/app/src/main/java/eu/faircode/email/ConnectionHelper.java
index 1de3cc7300..a980067e0a 100644
--- a/app/src/main/java/eu/faircode/email/ConnectionHelper.java
+++ b/app/src/main/java/eu/faircode/email/ConnectionHelper.java
@@ -279,6 +279,9 @@ public class ConnectionHelper {
 
     static String refreshToken(Context context, String type, String name, String current)
             throws AuthenticatorException, OperationCanceledException, IOException {
+        if (!Helper.hasValidFingerprint(context))
+            throw new IllegalArgumentException("Please see the FAQ question 109");
+
         AccountManager am = AccountManager.get(context);
         Account[] accounts = am.getAccountsByType(type);
         for (Account account : accounts)