From b92028de86e6b25a87c12ff34ae00338a455308d Mon Sep 17 00:00:00 2001
From: Laurent Meunier <lme@atolcd.com>
Date: Fri, 21 Jun 2024 11:50:28 +0000
Subject: [PATCH] Fix NPE in backchannel logout

---
 src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java |   20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java
index 74730ee..5442d70 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/SamlValidateEndpoint.java
@@ -1,8 +1,14 @@
 package org.keycloak.protocol.cas.endpoints;
 
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.core.Response;
 import org.keycloak.dom.saml.v1.protocol.SAML11ResponseType;
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
+import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
 import org.keycloak.protocol.cas.CASLoginProtocol;
@@ -12,24 +18,22 @@
 import org.keycloak.services.Urls;
 import org.xml.sax.InputSource;
 
-import javax.ws.rs.Consumes;
-import javax.ws.rs.POST;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
 import javax.xml.namespace.NamespaceContext;
 import javax.xml.xpath.XPath;
 import javax.xml.xpath.XPathExpression;
 import javax.xml.xpath.XPathExpressionException;
 import javax.xml.xpath.XPathFactory;
 import java.io.StringReader;
-import java.util.*;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Optional;
 
 import static org.keycloak.protocol.cas.CASLoginProtocol.TARGET_PARAM;
 
 public class SamlValidateEndpoint extends AbstractValidateEndpoint {
-    public SamlValidateEndpoint(RealmModel realm, EventBuilder event) {
-        super(realm, event.event(EventType.CODE_TO_TOKEN));
+    public SamlValidateEndpoint(KeycloakSession session, RealmModel realm, EventBuilder event) {
+        super(session, realm, event.event(EventType.CODE_TO_TOKEN));
     }
 
     @POST

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