Reset flow if action is still CHALLENGE_REQUIRED upon validation (#23)

* Reset flow if action is still CHALLENGE_REQUIRED upon validation

* Bump version

Author: stevenclouston

app/build.gradle

@@ -10,7 +10,7 @@ plugins {
 }
 
 group 'com.authsignal'
-version '2.2.0'
+version '2.2.1'
 
 repositories {
     mavenCentral()

app/src/main/java/com/authsignal/keycloak/AuthsignalAuthenticator.java

@@ -149,6 +149,10 @@ private void handleTokenValidation(AuthenticationFlowContext context, Authsignal
             }
             context.setUser(user);
             context.success();
+        } else if (response.state == UserActionState.CHALLENGE_REQUIRED) {
+            // User quit the MFA flow without completing the challenge
+            // This means they clicked "Quit" on the AuthSignal page
+            context.resetFlow();
         } else {
             context.failure(AuthenticationFlowError.ACCESS_DENIED);
         }