From 81877a6524d8721ec30debb771e050886c37c861 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 24 Nov 2023 12:17:22 +0000
Subject: [PATCH] ContextTypeHelper: do account for the "Accept" header (per CAS specs)

---
 src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java |   40 +++++++++++++---------------------------
 1 files changed, 13 insertions(+), 27 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java
index b110d96..d6b459d 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java
@@ -1,22 +1,18 @@
 package org.keycloak.protocol.cas.endpoints;
 
+import jakarta.ws.rs.core.Context;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Request;
+import jakarta.ws.rs.core.Response;
 import org.keycloak.events.EventBuilder;
-import org.keycloak.models.KeycloakSessionFactory;
-import org.keycloak.models.ProtocolMapperModel;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserSessionModel;
-import org.keycloak.protocol.ProtocolMapper;
-import org.keycloak.protocol.cas.mappers.CASAttributeMapper;
-import org.keycloak.protocol.cas.representations.CasServiceResponse;
+import org.keycloak.protocol.cas.representations.CASServiceResponse;
+import org.keycloak.protocol.cas.utils.CASValidationException;
 import org.keycloak.protocol.cas.utils.ContentTypeHelper;
 import org.keycloak.protocol.cas.utils.ServiceResponseHelper;
-import org.keycloak.services.ErrorResponseException;
-import org.keycloak.services.managers.ClientSessionCode;
 
-import javax.ws.rs.core.*;
-import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 
 public class ServiceValidateEndpoint extends ValidateEndpoint {
     @Context
@@ -29,29 +25,19 @@
     @Override
     protected Response successResponse() {
         UserSessionModel userSession = clientSession.getUserSession();
-
-        Set<ProtocolMapperModel> mappings = new ClientSessionCode(session, realm, clientSession).getRequestedProtocolMappers();
-        KeycloakSessionFactory sessionFactory = session.getKeycloakSessionFactory();
-        Map<String, Object> attributes = new HashMap<>();
-        for (ProtocolMapperModel mapping : mappings) {
-            ProtocolMapper mapper = (ProtocolMapper) sessionFactory.getProviderFactory(ProtocolMapper.class, mapping.getProtocolMapper());
-            if (mapper instanceof CASAttributeMapper) {
-                ((CASAttributeMapper) mapper).setAttribute(attributes, mapping, userSession);
-            }
-        }
-
-        CasServiceResponse serviceResponse = ServiceResponseHelper.createSuccess(userSession.getUser().getUsername(), attributes);
+        Map<String, Object> attributes = getUserAttributes();
+        CASServiceResponse serviceResponse = ServiceResponseHelper.createSuccess(userSession.getUser().getUsername(), attributes);
         return prepare(Response.Status.OK, serviceResponse);
     }
 
     @Override
-    protected Response errorResponse(ErrorResponseException e) {
-        CasServiceResponse serviceResponse = ServiceResponseHelper.createFailure("CODE", "Description");
-        return prepare(Response.Status.FORBIDDEN, serviceResponse);
+    protected Response errorResponse(CASValidationException e) {
+        CASServiceResponse serviceResponse = ServiceResponseHelper.createFailure(e.getError(), e.getErrorDescription());
+        return prepare(e.getStatus(), serviceResponse);
     }
 
-    private Response prepare(Response.Status status, CasServiceResponse serviceResponse) {
-        MediaType responseMediaType = new ContentTypeHelper(request, restRequest, uriInfo).selectResponseType();
+    private Response prepare(Response.Status status, CASServiceResponse serviceResponse) {
+        MediaType responseMediaType = new ContentTypeHelper(session.getContext().getUri()).selectResponseType();
         return ServiceResponseHelper.createResponse(status, responseMediaType, serviceResponse);
     }
 }

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