From 8d0a311777a5600d8a562151b2a93f8cd9185d63 Mon Sep 17 00:00:00 2001
From: Matthias Piepkorn <mpiepk@gmail.com>
Date: Sat, 26 May 2018 09:50:15 +0000
Subject: [PATCH] update to Keycloak 4.0.0.Beta3

---
 src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java |   33 +++++----------------------------
 1 files changed, 5 insertions(+), 28 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
index c250578..6145334 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
@@ -18,7 +18,6 @@
 
 import javax.ws.rs.GET;
 import javax.ws.rs.core.*;
-import java.lang.reflect.Method;
 
 public class ValidateEndpoint {
     protected static final Logger logger = Logger.getLogger(ValidateEndpoint.class);
@@ -137,24 +136,14 @@
             event.detail(Details.CODE_ID, parts[2]);
         }
 
-        ClientSessionCode.ParseResult<AuthenticatedClientSessionModel> parseResult;
-        try {
-            // Keycloak >3.4 branch: Parameter event was added to ClientSessionCode.parseResult
-            Method parseResultMethod = ClientSessionCode.class.getMethod("parseResult",
-                    String.class, KeycloakSession.class, RealmModel.class, EventBuilder.class, Class.class);
-            parseResult = (ClientSessionCode.ParseResult<AuthenticatedClientSessionModel>) parseResultMethod.invoke(
-                    null, code, session, realm, event, AuthenticatedClientSessionModel.class);
-        } catch (ReflectiveOperationException e) {
-            // Keycloak <=3.3 branch
-            parseResult = ClientSessionCode.parseResult(code, session, realm, AuthenticatedClientSessionModel.class);
-        }
+        ClientSessionCode.ParseResult<AuthenticatedClientSessionModel> parseResult = ClientSessionCode.parseResult(code, null, session, realm, client, event, AuthenticatedClientSessionModel.class);
         if (parseResult.isAuthSessionNotFound() || parseResult.isIllegalHash()) {
             event.error(Errors.INVALID_CODE);
 
             // Attempt to use same code twice should invalidate existing clientSession
             AuthenticatedClientSessionModel clientSession = parseResult.getClientSession();
             if (clientSession != null) {
-                clientSession.setUserSession(null);
+                clientSession.detachFromUserSession();
             }
 
             throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code not valid", Response.Status.BAD_REQUEST);
@@ -162,21 +151,9 @@
 
         clientSession = parseResult.getClientSession();
 
-        try {
-            // Keycloak >3.4 branch: Method isExpiredToken was added
-            Method isExpiredToken = ClientSessionCode.ParseResult.class.getMethod("isExpiredToken");
-            if ((Boolean) isExpiredToken.invoke(parseResult)) {
-                event.error(Errors.EXPIRED_CODE);
-                throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code is expired", Response.Status.BAD_REQUEST);
-            }
-        } catch (ReflectiveOperationException e) {
-            // Keycloak <=3.3 branch
-            if (!parseResult.getCode().isValid(AuthenticatedClientSessionModel.Action.CODE_TO_TOKEN.name(), ClientSessionCode.ActionType.CLIENT)) {
-                event.error(Errors.INVALID_CODE);
-                throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code is expired", Response.Status.BAD_REQUEST);
-            }
-
-            parseResult.getCode().setAction(null);
+        if (parseResult.isExpiredToken()) {
+            event.error(Errors.EXPIRED_CODE);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code is expired", Response.Status.BAD_REQUEST);
         }
 
         clientSession.setNote(CASLoginProtocol.SESSION_SERVICE_TICKET, ticket);

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