From 6580a6e7b48a4b578c9465d6465ba023d29571fd Mon Sep 17 00:00:00 2001
From: Matthias Piepkorn <mpiepk@gmail.com>
Date: Thu, 16 Feb 2017 12:53:30 +0000
Subject: [PATCH] Add missing dependency

---
 src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java |   59 +++++++++++++++++++++++++++++++----------------------------
 1 files changed, 31 insertions(+), 28 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 5727b50..b2b0702 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
@@ -3,7 +3,6 @@
 import org.jboss.logging.Logger;
 import org.jboss.resteasy.annotations.cache.NoCache;
 import org.jboss.resteasy.spi.HttpRequest;
-import org.keycloak.OAuthErrorException;
 import org.keycloak.common.ClientConnection;
 import org.keycloak.events.Details;
 import org.keycloak.events.Errors;
@@ -11,18 +10,17 @@
 import org.keycloak.events.EventType;
 import org.keycloak.models.*;
 import org.keycloak.protocol.cas.CASLoginProtocol;
+import org.keycloak.protocol.cas.representations.CASErrorCode;
+import org.keycloak.protocol.cas.utils.CASValidationException;
 import org.keycloak.protocol.oidc.utils.RedirectUtils;
-import org.keycloak.services.ErrorPageException;
-import org.keycloak.services.ErrorResponseException;
 import org.keycloak.services.managers.AuthenticationManager;
 import org.keycloak.services.managers.ClientSessionCode;
-import org.keycloak.services.messages.Messages;
 
 import javax.ws.rs.GET;
 import javax.ws.rs.core.*;
 
 public class ValidateEndpoint {
-    protected static final Logger logger = Logger.getLogger(org.keycloak.protocol.oidc.endpoints.LogoutEndpoint.class);
+    protected static final Logger logger = Logger.getLogger(ValidateEndpoint.class);
 
     private static final String RESPONSE_OK = "yes\n";
     private static final String RESPONSE_FAILED = "no\n";
@@ -58,7 +56,7 @@
         MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
         String service = params.getFirst(CASLoginProtocol.SERVICE_PARAM);
         String ticket = params.getFirst(CASLoginProtocol.TICKET_PARAM);
-        boolean renew = "true".equalsIgnoreCase(params.getFirst(CASLoginProtocol.RENEW_PARAM));
+        boolean renew = params.containsKey(CASLoginProtocol.RENEW_PARAM);
 
         event.event(EventType.CODE_TO_TOKEN);
 
@@ -71,7 +69,7 @@
 
             event.success();
             return successResponse();
-        } catch (ErrorResponseException e) {
+        } catch (CASValidationException e) {
             return errorResponse(e);
         }
     }
@@ -80,26 +78,26 @@
         return Response.ok(RESPONSE_OK).type(MediaType.TEXT_PLAIN).build();
     }
 
-    protected Response errorResponse(ErrorResponseException e) {
-        return Response.status(Response.Status.UNAUTHORIZED).entity(RESPONSE_FAILED).type(MediaType.TEXT_PLAIN).build();
+    protected Response errorResponse(CASValidationException e) {
+        return Response.status(e.getStatus()).entity(RESPONSE_FAILED).type(MediaType.TEXT_PLAIN).build();
     }
 
     private void checkSsl() {
         if (!uriInfo.getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
-            throw new ErrorResponseException(OAuthErrorException.INVALID_REQUEST, "HTTPS required", Response.Status.FORBIDDEN);
+            throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "HTTPS required", Response.Status.FORBIDDEN);
         }
     }
 
     private void checkRealm() {
         if (!realm.isEnabled()) {
-            throw new ErrorResponseException("access_denied", "Realm not enabled", Response.Status.FORBIDDEN);
+            throw new CASValidationException(CASErrorCode.INTERNAL_ERROR, "Realm not enabled", Response.Status.FORBIDDEN);
         }
     }
 
     private void checkClient(String service) {
         if (service == null) {
             event.error(Errors.INVALID_REQUEST);
-            throw new ErrorPageException(session, Messages.MISSING_PARAMETER, CASLoginProtocol.SERVICE_PARAM);
+            throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "Missing parameter: " + CASLoginProtocol.SERVICE_PARAM, Response.Status.BAD_REQUEST);
         }
 
         client = realm.getClients().stream()
@@ -108,17 +106,12 @@
                 .findFirst().orElse(null);
         if (client == null) {
             event.error(Errors.CLIENT_NOT_FOUND);
-            throw new ErrorPageException(session, Messages.CLIENT_NOT_FOUND);
+            throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Client not found", Response.Status.BAD_REQUEST);
         }
 
         if (!client.isEnabled()) {
             event.error(Errors.CLIENT_DISABLED);
-            throw new ErrorPageException(session, Messages.CLIENT_DISABLED);
-        }
-
-        if (client.isBearerOnly()) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new ErrorPageException(session, Messages.BEARER_ONLY);
+            throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Client disabled", Response.Status.BAD_REQUEST);
         }
 
         event.client(client.getClientId());
@@ -127,9 +120,13 @@
     }
 
     private void checkTicket(String ticket, boolean requireReauth) {
-        if (ticket == null || !ticket.startsWith(CASLoginProtocol.SERVICE_TICKET_PREFIX)) {
+        if (ticket == null) {
             event.error(Errors.INVALID_CODE);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_REQUEST, "Missing or invalid parameter: " + CASLoginProtocol.TICKET_PARAM, Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "Missing parameter: " + CASLoginProtocol.TICKET_PARAM, Response.Status.BAD_REQUEST);
+        }
+        if (!ticket.startsWith(CASLoginProtocol.SERVICE_TICKET_PREFIX)) {
+            event.error(Errors.INVALID_CODE);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET_SPEC, "Malformed service ticket", Response.Status.BAD_REQUEST);
         }
 
         String code = ticket.substring(CASLoginProtocol.SERVICE_TICKET_PREFIX.length());
@@ -144,7 +141,7 @@
             if (parseResult.getClientSession() != null) {
                 session.sessions().removeClientSession(realm, parseResult.getClientSession());
             }
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "Code not valid", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code not valid", Response.Status.BAD_REQUEST);
         }
 
         clientSession = parseResult.getClientSession();
@@ -152,26 +149,32 @@
 
         if (!parseResult.getCode().isValid(ClientSessionModel.Action.CODE_TO_TOKEN.name(), ClientSessionCode.ActionType.CLIENT)) {
             event.error(Errors.INVALID_CODE);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "Code is expired", Response.Status.BAD_REQUEST);
+            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);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Interactive authentication was requested but not performed", Response.Status.BAD_REQUEST);
+        }
 
         UserSessionModel userSession = clientSession.getUserSession();
 
         if (userSession == null) {
             event.error(Errors.USER_SESSION_NOT_FOUND);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "User session not found", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User session not found", Response.Status.BAD_REQUEST);
         }
 
         UserModel user = userSession.getUser();
         if (user == null) {
             event.error(Errors.USER_NOT_FOUND);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "User not found", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User not found", Response.Status.BAD_REQUEST);
         }
         if (!user.isEnabled()) {
             event.error(Errors.USER_DISABLED);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "User disabled", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User disabled", Response.Status.BAD_REQUEST);
         }
 
         event.user(userSession.getUser());
@@ -179,12 +182,12 @@
 
         if (!client.getClientId().equals(clientSession.getClient().getClientId())) {
             event.error(Errors.INVALID_CODE);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "Auth error", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Auth error", Response.Status.BAD_REQUEST);
         }
 
         if (!AuthenticationManager.isSessionValid(realm, userSession)) {
             event.error(Errors.USER_SESSION_NOT_FOUND);
-            throw new ErrorResponseException(OAuthErrorException.INVALID_GRANT, "Session not active", Response.Status.BAD_REQUEST);
+            throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Session not active", Response.Status.BAD_REQUEST);
         }
 
     }

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