package org.keycloak.protocol.cas;
|
|
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.EventBuilder;
|
import org.keycloak.events.EventType;
|
import org.keycloak.forms.login.LoginFormsProvider;
|
import org.keycloak.models.*;
|
import org.keycloak.protocol.LoginProtocol;
|
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 javax.ws.rs.core.HttpHeaders;
|
import javax.ws.rs.core.Response;
|
import javax.ws.rs.core.UriInfo;
|
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);
|
|
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";
|
public static final String FORMAT_PARAM = "format";
|
|
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 LOGOUT_REDIRECT_URI = "CAS_LOGOUT_REDIRECT_URI";
|
|
protected KeycloakSession session;
|
protected RealmModel realm;
|
protected UriInfo uriInfo;
|
protected HttpHeaders headers;
|
protected EventBuilder event;
|
|
public CASLoginProtocol(KeycloakSession session, RealmModel realm, UriInfo uriInfo, HttpHeaders headers, EventBuilder event) {
|
this.session = session;
|
this.realm = realm;
|
this.uriInfo = uriInfo;
|
this.headers = headers;
|
this.event = event;
|
}
|
|
public CASLoginProtocol() {
|
}
|
|
@Override
|
public CASLoginProtocol setSession(KeycloakSession session) {
|
this.session = session;
|
return this;
|
}
|
|
@Override
|
public CASLoginProtocol setRealm(RealmModel realm) {
|
this.realm = realm;
|
return this;
|
}
|
|
@Override
|
public CASLoginProtocol setUriInfo(UriInfo uriInfo) {
|
this.uriInfo = uriInfo;
|
return this;
|
}
|
|
@Override
|
public CASLoginProtocol setHttpHeaders(HttpHeaders headers) {
|
this.headers = headers;
|
return this;
|
}
|
|
@Override
|
public CASLoginProtocol setEventBuilder(EventBuilder event) {
|
this.event = event;
|
return this;
|
}
|
|
@Override
|
public Response authenticated(AuthenticationSessionModel authSession, UserSessionModel userSession, ClientSessionContext clientSessionCtx) {
|
AuthenticatedClientSessionModel clientSession = clientSessionCtx.getClientSession();
|
|
String service = authSession.getRedirectUri();
|
//TODO validate service
|
|
OAuth2Code codeData = new OAuth2Code(UUID.randomUUID(),
|
Time.currentTime() + userSession.getRealm().getAccessCodeLifespan(),
|
null, null, authSession.getRedirectUri(), null, null);
|
String code = OAuth2CodeParser.persistCode(session, clientSession, codeData);
|
|
KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);
|
|
String loginTicket = SERVICE_TICKET_PREFIX + code;
|
|
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"
|
uriBuilder.queryParam(SAMLART_RESPONSE_PARAM, loginTicket);
|
} else {
|
uriBuilder.queryParam(TICKET_RESPONSE_PARAM, loginTicket);
|
}
|
|
URI redirectUri = uriBuilder.build();
|
|
Response.ResponseBuilder location = Response.status(302).location(redirectUri);
|
return location.build();
|
}
|
|
@Override
|
public Response sendError(AuthenticationSessionModel authSession, Error error) {
|
if (authSession.getClientNotes().containsKey(CASLoginProtocol.GATEWAY_PARAM)) {
|
if (error == Error.PASSIVE_INTERACTION_REQUIRED || error == Error.PASSIVE_LOGIN_REQUIRED) {
|
return Response.status(302).location(URI.create(authSession.getRedirectUri())).build();
|
}
|
}
|
return ErrorPage.error(session, authSession, Response.Status.INTERNAL_SERVER_ERROR, error.name());
|
}
|
|
@Override
|
public Response 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)
|
if (serviceTicket != null && !serviceTicket.isEmpty()) {
|
sendSingleLogoutRequest(logoutUrl, serviceTicket);
|
}
|
ClientModel client = clientSession.getClient();
|
new ResourceAdminManager(session).logoutClientSession(realm, client, clientSession);
|
return Response.ok().build();
|
}
|
|
private void sendSingleLogoutRequest(String logoutUrl, String serviceTicket) {
|
HttpEntity requestEntity = LogoutHelper.buildSingleLogoutRequest(serviceTicket);
|
try {
|
LogoutHelper.postWithRedirect(session, logoutUrl, requestEntity);
|
logger.debug("Sent CAS single logout for service " + logoutUrl);
|
} catch (IOException e) {
|
logger.warn("Failed to call CAS service for logout: " + logoutUrl, e);
|
}
|
}
|
|
@Override
|
public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
|
// todo oidc redirect support
|
throw new RuntimeException("NOT IMPLEMENTED");
|
}
|
|
@Override
|
public Response finishBrowserLogout(UserSessionModel userSession, AuthenticationSessionModel logoutSession) {
|
String redirectUri = userSession.getNote(CASLoginProtocol.LOGOUT_REDIRECT_URI);
|
|
event.event(EventType.LOGOUT);
|
event.user(userSession.getUser()).session(userSession).success();
|
|
if (redirectUri != null) {
|
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();
|
}
|
}
|
|
@Override
|
public boolean requireReauthentication(UserSessionModel userSession, AuthenticationSessionModel authSession) {
|
return "true".equals(authSession.getClientNote(CASLoginProtocol.RENEW_PARAM));
|
}
|
|
@Override
|
public void close() {
|
|
}
|
}
|
