Check if account is already registered before attempting verification

diff --git a/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java b/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
index 679056dff34091e6c688e6a4a64d95da049da128..30355297cd6daf30c4049518cf2a5a43dd432657 100644 (file)
--- a/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
+++ b/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
@@ -129,6 +129,10 @@ public class RegistrationManagerImpl implements RegistrationManager {
     public void verifyAccount(
             String verificationCode, String pin
     ) throws IOException, PinLockedException, IncorrectPinException {
+        if (account.isRegistered()) {
+            throw new IOException("Account is already registered");
+        }
+
         if (account.getPniIdentityKeyPair() == null) {
             account.setPniIdentityKeyPair(KeyUtils.generateIdentityKeyPair());
         }