From 6fff26d1517dbcec6dfb3f181bda418577ea3b17 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 24 Nov 2023 13:37:32 +0000
Subject: [PATCH] ContextTypeHelper: do account for the "Accept" header (per CAS specs)

---
 src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 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 e83af7c..810dcab 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
@@ -1,16 +1,15 @@
 package org.keycloak.protocol.cas.endpoints;
 
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.core.Response;
 import org.jboss.resteasy.annotations.cache.NoCache;
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
 import org.keycloak.models.RealmModel;
 import org.keycloak.protocol.cas.CASLoginProtocol;
 import org.keycloak.protocol.cas.utils.CASValidationException;
-
-import javax.ws.rs.GET;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
 
 public class ValidateEndpoint extends AbstractValidateEndpoint {
 
@@ -46,7 +45,10 @@
     }
 
     protected Response successResponse() {
-        return Response.ok(RESPONSE_OK).type(MediaType.TEXT_PLAIN).build();
+        StringBuilder sb = new StringBuilder(RESPONSE_OK);
+        sb.append(clientSession.getUserSession().getUser().getUsername());
+        sb.append("\n");
+        return Response.ok(sb.toString()).type(MediaType.TEXT_PLAIN).build();
     }
 
     protected Response errorResponse(CASValidationException e) {

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