From 1293d5189bfdc7c46fc456f52126b81febf23df8 Mon Sep 17 00:00:00 2001
From: Matthias Piepkorn <mpiepk@gmail.com>
Date: Mon, 22 Jan 2018 12:00:27 +0000
Subject: [PATCH] remove dependency on internal SAML packages

---
 src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java |   31 ++++++++++++++++++++++---------
 1 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
index 7d82a9a..b796962 100644
--- a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
+++ b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
@@ -11,11 +11,14 @@
 import org.keycloak.protocol.cas.utils.LogoutHelper;
 import org.keycloak.services.managers.ClientSessionCode;
 import org.keycloak.services.managers.ResourceAdminManager;
+import org.keycloak.sessions.AuthenticationSessionModel;
+import org.keycloak.sessions.CommonClientSessionModel;
 
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.UriInfo;
 import java.io.IOException;
+import java.lang.reflect.Method;
 import java.net.URI;
 
 public class CASLoginProtocol implements LoginProtocol {
@@ -84,14 +87,24 @@
     }
 
     @Override
-    public Response authenticated(UserSessionModel userSession, ClientSessionCode accessCode) {
-        ClientSessionModel clientSession = accessCode.getClientSession();
+    public Response authenticated(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
+        ClientSessionCode<AuthenticatedClientSessionModel> accessCode = new ClientSessionCode<>(session, realm, clientSession);
 
         String service = clientSession.getRedirectUri();
         //TODO validate service
-        accessCode.setAction(ClientSessionModel.Action.CODE_TO_TOKEN.name());
+
+        String code;
+        try {
+            // Keycloak >3.4 branch: Method getCode was renamed to getOrGenerateCode, CODE_TO_TOKEN was removed
+            Method getOrGenerateCode = ClientSessionCode.class.getMethod("getOrGenerateCode");
+            code = (String) getOrGenerateCode.invoke(accessCode);
+        } catch (ReflectiveOperationException e) {
+            // Keycloak <=3.3 branch
+            accessCode.setAction(CommonClientSessionModel.Action.CODE_TO_TOKEN.name());
+            code = accessCode.getCode();
+        }
         KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);
-        uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + accessCode.getCode());
+        uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + code);
 
         URI redirectUri = uriBuilder.build();
 
@@ -100,12 +113,12 @@
     }
 
     @Override
-    public Response sendError(ClientSessionModel clientSession, Error error) {
+    public Response sendError(AuthenticationSessionModel authSession, Error error) {
         return Response.serverError().entity(error).build();
     }
 
     @Override
-    public void backchannelLogout(UserSessionModel userSession, ClientSessionModel clientSession) {
+    public void backchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
         String logoutUrl = clientSession.getRedirectUri();
         String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_SERVICE_TICKET);
         //check if session is fully authenticated (i.e. serviceValidate has been called)
@@ -127,7 +140,7 @@
     }
 
     @Override
-    public Response frontchannelLogout(UserSessionModel userSession, ClientSessionModel clientSession) {
+    public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
         // todo oidc redirect support
         throw new RuntimeException("NOT IMPLEMENTED");
     }
@@ -148,8 +161,8 @@
     }
 
     @Override
-    public boolean requireReauthentication(UserSessionModel userSession, ClientSessionModel clientSession) {
-        return "true".equals(clientSession.getNote(CASLoginProtocol.RENEW_PARAM));
+    public boolean requireReauthentication(UserSessionModel userSession, AuthenticationSessionModel authSession) {
+        return "true".equals(authSession.getClientNote(CASLoginProtocol.RENEW_PARAM));
     }
 
     @Override

--
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