modules/keycloak-protocol-cas

Erlend Hamnaberg

2018-11-26 74023ad339616936c5a2415f3b0347858c38df18

commit \| author \| age
74023a	1	package org.keycloak.protocol.cas.endpoints;
EH	2
	3	import org.jboss.logging.Logger;
	4	import org.jboss.resteasy.spi.HttpRequest;
	5	import org.keycloak.common.ClientConnection;
	6	import org.keycloak.events.Details;
	7	import org.keycloak.events.Errors;
	8	import org.keycloak.events.EventBuilder;
	9	import org.keycloak.models.*;
	10	import org.keycloak.protocol.ProtocolMapper;
	11	import org.keycloak.protocol.cas.CASLoginProtocol;
	12	import org.keycloak.protocol.cas.mappers.CASAttributeMapper;
	13	import org.keycloak.protocol.cas.representations.CASErrorCode;
	14	import org.keycloak.protocol.cas.utils.CASValidationException;
	15	import org.keycloak.protocol.oidc.utils.RedirectUtils;
	16	import org.keycloak.services.managers.AuthenticationManager;
	17	import org.keycloak.services.managers.ClientSessionCode;
	18	import org.keycloak.services.util.DefaultClientSessionContext;
	19
	20	import javax.ws.rs.core.Context;
	21	import javax.ws.rs.core.HttpHeaders;
	22	import javax.ws.rs.core.Response;
	23	import java.util.HashMap;
	24	import java.util.Map;
	25	import java.util.Set;
	26
	27	public abstract class AbstractValidateEndpoint {
	28	protected final Logger logger = Logger.getLogger(getClass());
	29	@Context
	30	protected KeycloakSession session;
	31	@Context
	32	protected ClientConnection clientConnection;
	33	@Context
	34	protected HttpRequest request;
	35	@Context
	36	protected HttpHeaders headers;
	37	protected RealmModel realm;
	38	protected EventBuilder event;
	39	protected ClientModel client;
	40	protected AuthenticatedClientSessionModel clientSession;
	41
	42	public AbstractValidateEndpoint(RealmModel realm, EventBuilder event) {
	43	this.realm = realm;
	44	this.event = event;
	45	}
	46
	47	protected void checkSsl() {
	48	if (!session.getContext().getUri().getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
	49	throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "HTTPS required", Response.Status.FORBIDDEN);
	50	}
	51	}
	52
	53	protected void checkRealm() {
	54	if (!realm.isEnabled()) {
	55	throw new CASValidationException(CASErrorCode.INTERNAL_ERROR, "Realm not enabled", Response.Status.FORBIDDEN);
	56	}
	57	}
	58
	59	protected void checkClient(String service) {
	60	if (service == null) {
	61	event.error(Errors.INVALID_REQUEST);
	62	throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "Missing parameter: " + CASLoginProtocol.SERVICE_PARAM, Response.Status.BAD_REQUEST);
	63	}
	64
	65	client = realm.getClients().stream()
	66	.filter(c -> CASLoginProtocol.LOGIN_PROTOCOL.equals(c.getProtocol()))
	67	.filter(c -> RedirectUtils.verifyRedirectUri(session.getContext().getUri(), service, realm, c) != null)
	68	.findFirst().orElse(null);
	69	if (client == null) {
	70	event.error(Errors.CLIENT_NOT_FOUND);
	71	throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Client not found", Response.Status.BAD_REQUEST);
	72	}
	73
	74	if (!client.isEnabled()) {
	75	event.error(Errors.CLIENT_DISABLED);
	76	throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Client disabled", Response.Status.BAD_REQUEST);
	77	}
	78
	79	event.client(client.getClientId());
	80
	81	session.getContext().setClient(client);
	82	}
	83
	84	protected void checkTicket(String ticket, boolean requireReauth) {
	85	if (ticket == null) {
	86	event.error(Errors.INVALID_CODE);
	87	throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "Missing parameter: " + CASLoginProtocol.TICKET_PARAM, Response.Status.BAD_REQUEST);
	88	}
	89	if (!ticket.startsWith(CASLoginProtocol.SERVICE_TICKET_PREFIX)) {
	90	event.error(Errors.INVALID_CODE);
	91	throw new CASValidationException(CASErrorCode.INVALID_TICKET_SPEC, "Malformed service ticket", Response.Status.BAD_REQUEST);
	92	}
	93
	94	String code = ticket.substring(CASLoginProtocol.SERVICE_TICKET_PREFIX.length());
	95
	96	String[] parts = code.split("\\.");
	97	if (parts.length == 4) {
	98	event.detail(Details.CODE_ID, parts[2]);
	99	}
	100
	101	ClientSessionCode.ParseResult<AuthenticatedClientSessionModel> parseResult = ClientSessionCode.parseResult(code, null, session, realm, client, event, AuthenticatedClientSessionModel.class);
	102	if (parseResult.isAuthSessionNotFound() \|\| parseResult.isIllegalHash()) {
	103	event.error(Errors.INVALID_CODE);
	104
	105	// Attempt to use same code twice should invalidate existing clientSession
	106	AuthenticatedClientSessionModel clientSession = parseResult.getClientSession();
	107	if (clientSession != null) {
	108	clientSession.detachFromUserSession();
	109	}
	110
	111	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code not valid", Response.Status.BAD_REQUEST);
	112	}
	113
	114	clientSession = parseResult.getClientSession();
	115
	116	if (parseResult.isExpiredToken()) {
	117	event.error(Errors.EXPIRED_CODE);
	118	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code is expired", Response.Status.BAD_REQUEST);
	119	}
	120
	121	clientSession.setNote(CASLoginProtocol.SESSION_SERVICE_TICKET, ticket);
	122
	123	if (requireReauth && AuthenticationManager.isSSOAuthentication(clientSession)) {
	124	event.error(Errors.SESSION_EXPIRED);
	125	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Interactive authentication was requested but not performed", Response.Status.BAD_REQUEST);
	126	}
	127
	128	UserSessionModel userSession = clientSession.getUserSession();
	129
	130	if (userSession == null) {
	131	event.error(Errors.USER_SESSION_NOT_FOUND);
	132	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User session not found", Response.Status.BAD_REQUEST);
	133	}
	134
	135	UserModel user = userSession.getUser();
	136	if (user == null) {
	137	event.error(Errors.USER_NOT_FOUND);
	138	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User not found", Response.Status.BAD_REQUEST);
	139	}
	140	if (!user.isEnabled()) {
	141	event.error(Errors.USER_DISABLED);
	142	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "User disabled", Response.Status.BAD_REQUEST);
	143	}
	144
	145	event.user(userSession.getUser());
	146	event.session(userSession.getId());
	147
	148	if (!client.getClientId().equals(clientSession.getClient().getClientId())) {
	149	event.error(Errors.INVALID_CODE);
	150	throw new CASValidationException(CASErrorCode.INVALID_SERVICE, "Auth error", Response.Status.BAD_REQUEST);
	151	}
	152
	153	if (!AuthenticationManager.isSessionValid(realm, userSession)) {
	154	event.error(Errors.USER_SESSION_NOT_FOUND);
	155	throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Session not active", Response.Status.BAD_REQUEST);
	156	}
	157	}
	158
	159	protected Map<String, Object> getUserAttributes() {
	160	UserSessionModel userSession = clientSession.getUserSession();
	161	// CAS protocol does not support scopes, so pass null scopeParam
	162	ClientSessionContext clientSessionCtx = DefaultClientSessionContext.fromClientSessionAndScopeParameter(clientSession, null);
	163
	164	Set<ProtocolMapperModel> mappings = clientSessionCtx.getProtocolMappers();
	165	KeycloakSessionFactory sessionFactory = session.getKeycloakSessionFactory();
	166	Map<String, Object> attributes = new HashMap<>();
	167	for (ProtocolMapperModel mapping : mappings) {
	168	ProtocolMapper mapper = (ProtocolMapper) sessionFactory.getProviderFactory(ProtocolMapper.class, mapping.getProtocolMapper());
	169	if (mapper instanceof CASAttributeMapper) {
	170	((CASAttributeMapper) mapper).setAttribute(attributes, mapping, userSession, session, clientSessionCtx);
	171	}
	172	}
	173	return attributes;
	174	}
	175	}