From cbb2f2f81452a97fddbdcc1f6010fbc85682e3b3 Mon Sep 17 00:00:00 2001
From: Erlend Hamnaberg <erlend@hamnaberg.net>
Date: Thu, 29 Nov 2018 07:42:20 +0000
Subject: [PATCH] Redirect to application after login is complete

---
 src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java |   18 +++++++-----------
 1 files changed, 7 insertions(+), 11 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 ed9d5fa..9e84f0c 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
@@ -37,9 +37,6 @@
     @Context
     protected HttpHeaders headers;
 
-    @Context
-    protected UriInfo uriInfo;
-
     protected RealmModel realm;
     protected EventBuilder event;
     protected ClientModel client;
@@ -53,7 +50,7 @@
     @GET
     @NoCache
     public Response build() {
-        MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
+        MultivaluedMap<String, String> params = session.getContext().getUri().getQueryParameters();
         String service = params.getFirst(CASLoginProtocol.SERVICE_PARAM);
         String ticket = params.getFirst(CASLoginProtocol.TICKET_PARAM);
         boolean renew = params.containsKey(CASLoginProtocol.RENEW_PARAM);
@@ -83,7 +80,7 @@
     }
 
     private void checkSsl() {
-        if (!uriInfo.getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
+        if (!session.getContext().getUri().getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
             throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "HTTPS required", Response.Status.FORBIDDEN);
         }
     }
@@ -102,7 +99,7 @@
 
         client = realm.getClients().stream()
                 .filter(c -> CASLoginProtocol.LOGIN_PROTOCOL.equals(c.getProtocol()))
-                .filter(c -> RedirectUtils.verifyRedirectUri(uriInfo, service, realm, c) != null)
+                .filter(c -> RedirectUtils.verifyRedirectUri(session.getContext().getUri(), service, realm, c) != null)
                 .findFirst().orElse(null);
         if (client == null) {
             event.error(Errors.CLIENT_NOT_FOUND);
@@ -136,14 +133,14 @@
             event.detail(Details.CODE_ID, parts[2]);
         }
 
-        ClientSessionCode.ParseResult<AuthenticatedClientSessionModel> 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);
@@ -151,13 +148,12 @@
 
         clientSession = parseResult.getClientSession();
 
-        if (!parseResult.getCode().isValid(AuthenticatedClientSessionModel.Action.CODE_TO_TOKEN.name(), ClientSessionCode.ActionType.CLIENT)) {
-            event.error(Errors.INVALID_CODE);
+        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);
-        parseResult.getCode().setAction(null);
 
         if (requireReauth && AuthenticationManager.isSSOAuthentication(clientSession)) {
             event.error(Errors.SESSION_EXPIRED);

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