src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java

@@ -12,13 +12,11 @@
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 {
@@ -27,6 +25,7 @@
    public static final String LOGIN_PROTOCOL = "cas";

    public static final String SERVICE_PARAM = "service";
    public static final String TARGET_PARAM = "TARGET";
    public static final String RENEW_PARAM = "renew";
    public static final String GATEWAY_PARAM = "gateway";
    public static final String TICKET_PARAM = "ticket";
@@ -87,22 +86,14 @@
    }

    @Override
    public Response authenticated(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
    public Response authenticated(UserSessionModel userSession, ClientSessionContext clientSessionCtx) {
        AuthenticatedClientSessionModel clientSession = clientSessionCtx.getClientSession();
        ClientSessionCode<AuthenticatedClientSessionModel> accessCode = new ClientSessionCode<>(session, realm, clientSession);

        String service = clientSession.getRedirectUri();
        //TODO validate service

        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();
        }
        String code = accessCode.getOrGenerateCode();
        KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);
        uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + code);

@@ -151,13 +142,14 @@

        event.event(EventType.LOGOUT);
        event.user(userSession.getUser()).session(userSession).success();
        LoginFormsProvider infoPage = session.getProvider(LoginFormsProvider.class).setSuccess("Logout successful");

        if (redirectUri != null) {
            infoPage.setAttribute("pageRedirectUri", redirectUri);
            return Response.status(302).location(URI.create(redirectUri)).build();
        } else {
            LoginFormsProvider infoPage = session.getProvider(LoginFormsProvider.class).setSuccess("Logout successful");
            infoPage.setAttribute("skipLink", true);
            return infoPage.createInfoPage();
        }
        return infoPage.createInfoPage();
    }

    @Override