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

@@ -6,23 +6,21 @@
import org.apache.http.HttpEntity;
import org.jboss.logging.Logger;
import org.keycloak.common.util.KeycloakUriBuilder;
import org.keycloak.common.util.Time;
import org.keycloak.events.Details;
import org.keycloak.events.EventBuilder;
import org.keycloak.events.EventType;
import org.keycloak.forms.login.LoginFormsProvider;
import org.keycloak.models.*;
import org.keycloak.protocol.ClientData;
import org.keycloak.protocol.LoginProtocol;
import org.keycloak.protocol.cas.endpoints.AbstractValidateEndpoint;
import org.keycloak.protocol.cas.utils.LogoutHelper;
import org.keycloak.protocol.oidc.utils.OAuth2Code;
import org.keycloak.protocol.oidc.utils.OAuth2CodeParser;
import org.keycloak.services.ErrorPage;
import org.keycloak.services.managers.ResourceAdminManager;
import org.keycloak.sessions.AuthenticationSessionModel;

import java.io.IOException;
import java.net.URI;
import java.util.UUID;

public class CASLoginProtocol implements LoginProtocol {
    private static final Logger logger = Logger.getLogger(CASLoginProtocol.class);
@@ -35,12 +33,18 @@
    public static final String GATEWAY_PARAM = "gateway";
    public static final String TICKET_PARAM = "ticket";
    public static final String FORMAT_PARAM = "format";
    public static final String PGTURL_PARAM = "pgtUrl";
    public static final String TARGET_SERVICE_PARAM = "targetService";
    public static final String PGT_PARAM = "pgt";

    public static final String TICKET_RESPONSE_PARAM = "ticket";
    public static final String SAMLART_RESPONSE_PARAM = "SAMLart";

    public static final String SERVICE_TICKET_PREFIX = "ST-";
    public static final String SESSION_SERVICE_TICKET = "service_ticket";
    public static final String PROXY_GRANTING_TICKET_IOU_PREFIX = "PGTIOU-";
    public static final String PROXY_GRANTING_TICKET_PREFIX = "PGT-";
    public static final String PROXY_TICKET_PREFIX = "PT-";
    public static final String SESSION_TICKET = "service_ticket";

    public static final String LOGOUT_REDIRECT_URI = "CAS_LOGOUT_REDIRECT_URI";

@@ -98,15 +102,9 @@
        String service = authSession.getRedirectUri();
        //TODO validate service

        OAuth2Code codeData = new OAuth2Code(UUID.randomUUID().toString(),
                Time.currentTime() + userSession.getRealm().getAccessCodeLifespan(),
                null, null, authSession.getRedirectUri(), null, null,
                userSession.getId());
        String code = OAuth2CodeParser.persistCode(session, clientSession, codeData);

        KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);

        String loginTicket = SERVICE_TICKET_PREFIX + code;
        String loginTicket = AbstractValidateEndpoint.getST(session, clientSession, service);

        if (authSession.getClientNotes().containsKey(CASLoginProtocol.TARGET_PARAM)) {
            // This was a SAML 1.1 auth request so return the ticket ID as "SAMLart" instead of "ticket"
@@ -132,9 +130,19 @@
    }

    @Override
    public ClientData getClientData(AuthenticationSessionModel authSession) {
        return new ClientData(authSession.getRedirectUri(), null, null, null);
    }

    @Override
    public Response sendError(ClientModel clientModel, ClientData clientData, Error error) {
        return null;
    }

    @Override
    public Response backchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
        String logoutUrl = clientSession.getRedirectUri();
        String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_SERVICE_TICKET);
        String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_TICKET);
        //check if session is fully authenticated (i.e. serviceValidate has been called)
        if (serviceTicket != null && !serviceTicket.isEmpty()) {
            sendSingleLogoutRequest(logoutUrl, serviceTicket);