mirror of https://github.com/jacekkow/keycloak-protocol-cas
| commit | author | age | ||
| 7f7e0c | 1 | package org.keycloak.protocol.cas; |
| MP | 2 | |
| 57a6c1 | 3 | import org.apache.http.HttpEntity; |
| MP | 4 | import org.jboss.logging.Logger; |
| 7f7e0c | 5 | import org.keycloak.common.util.KeycloakUriBuilder; |
| MP | 6 | import org.keycloak.events.EventBuilder; |
| 7 | import org.keycloak.events.EventType; | |
| 4a6620 | 8 | import org.keycloak.forms.login.LoginFormsProvider; |
| 7f7e0c | 9 | import org.keycloak.models.*; |
| MP | 10 | import org.keycloak.protocol.LoginProtocol; |
| 57a6c1 | 11 | import org.keycloak.protocol.cas.utils.LogoutHelper; |
| 7f7e0c | 12 | import org.keycloak.services.managers.ClientSessionCode; |
| MP | 13 | import org.keycloak.services.managers.ResourceAdminManager; |
| f75caf | 14 | import org.keycloak.sessions.AuthenticationSessionModel; |
| 7f7e0c | 15 | |
| MP | 16 | import javax.ws.rs.core.HttpHeaders; |
| 17 | import javax.ws.rs.core.Response; | |
| 18 | import javax.ws.rs.core.UriInfo; | |
| 57a6c1 | 19 | import java.io.IOException; |
| 7f7e0c | 20 | import java.net.URI; |
| MP | 21 | |
| 22 | public class CASLoginProtocol implements LoginProtocol { | |
| 57a6c1 | 23 | private static final Logger logger = Logger.getLogger(CASLoginProtocol.class); |
| MP | 24 | |
| 7f7e0c | 25 | public static final String LOGIN_PROTOCOL = "cas"; |
| MP | 26 | |
| 27 | public static final String SERVICE_PARAM = "service"; | |
| 74023a | 28 | public static final String TARGET_PARAM = "TARGET"; |
| 7f7e0c | 29 | public static final String RENEW_PARAM = "renew"; |
| MP | 30 | public static final String GATEWAY_PARAM = "gateway"; |
| 31 | public static final String TICKET_PARAM = "ticket"; | |
| 32 | public static final String FORMAT_PARAM = "format"; | |
| 33 | ||
| 34 | public static final String TICKET_RESPONSE_PARAM = "ticket"; | |
| 35 | ||
| 36 | public static final String SERVICE_TICKET_PREFIX = "ST-"; | |
| 57a6c1 | 37 | public static final String SESSION_SERVICE_TICKET = "service_ticket"; |
| 4a6620 | 38 | |
| MP | 39 | public static final String LOGOUT_REDIRECT_URI = "CAS_LOGOUT_REDIRECT_URI"; |
| 7f7e0c | 40 | |
| MP | 41 | protected KeycloakSession session; |
| 42 | protected RealmModel realm; | |
| 43 | protected UriInfo uriInfo; | |
| 44 | protected HttpHeaders headers; | |
| 45 | protected EventBuilder event; | |
| 46 | ||
| 7124d2 | 47 | public CASLoginProtocol(KeycloakSession session, RealmModel realm, UriInfo uriInfo, HttpHeaders headers, EventBuilder event) { |
| 7f7e0c | 48 | this.session = session; |
| MP | 49 | this.realm = realm; |
| 50 | this.uriInfo = uriInfo; | |
| 51 | this.headers = headers; | |
| 52 | this.event = event; | |
| 53 | } | |
| 54 | ||
| 55 | public CASLoginProtocol() { | |
| 56 | } | |
| 57 | ||
| 58 | @Override | |
| 59 | public CASLoginProtocol setSession(KeycloakSession session) { | |
| 60 | this.session = session; | |
| 61 | return this; | |
| 62 | } | |
| 63 | ||
| 64 | @Override | |
| 65 | public CASLoginProtocol setRealm(RealmModel realm) { | |
| 66 | this.realm = realm; | |
| 67 | return this; | |
| 68 | } | |
| 69 | ||
| 70 | @Override | |
| 71 | public CASLoginProtocol setUriInfo(UriInfo uriInfo) { | |
| 72 | this.uriInfo = uriInfo; | |
| 73 | return this; | |
| 74 | } | |
| 75 | ||
| 76 | @Override | |
| 77 | public CASLoginProtocol setHttpHeaders(HttpHeaders headers) { | |
| 78 | this.headers = headers; | |
| 79 | return this; | |
| 80 | } | |
| 81 | ||
| 82 | @Override | |
| 83 | public CASLoginProtocol setEventBuilder(EventBuilder event) { | |
| 84 | this.event = event; | |
| 85 | return this; | |
| 86 | } | |
| 87 | ||
| 88 | @Override | |
| b8d686 | 89 | public Response authenticated(UserSessionModel userSession, ClientSessionContext clientSessionCtx) { |
| MP | 90 | AuthenticatedClientSessionModel clientSession = clientSessionCtx.getClientSession(); |
| f75caf | 91 | ClientSessionCode<AuthenticatedClientSessionModel> accessCode = new ClientSessionCode<>(session, realm, clientSession); |
| 7f7e0c | 92 | |
| MP | 93 | String service = clientSession.getRedirectUri(); |
| 94 | //TODO validate service | |
| 5570d4 | 95 | |
| 6638b8 | 96 | String code = accessCode.getOrGenerateCode(); |
| 7f7e0c | 97 | KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service); |
| 5570d4 | 98 | uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + code); |
| 7f7e0c | 99 | |
| MP | 100 | URI redirectUri = uriBuilder.build(); |
| 101 | ||
| 102 | Response.ResponseBuilder location = Response.status(302).location(redirectUri); | |
| 103 | return location.build(); | |
| 104 | } | |
| 105 | ||
| 106 | @Override | |
| f75caf | 107 | public Response sendError(AuthenticationSessionModel authSession, Error error) { |
| 7f7e0c | 108 | return Response.serverError().entity(error).build(); |
| MP | 109 | } |
| 110 | ||
| 111 | @Override | |
| f75caf | 112 | public void backchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) { |
| 57a6c1 | 113 | String logoutUrl = clientSession.getRedirectUri(); |
| MP | 114 | String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_SERVICE_TICKET); |
| 115 | //check if session is fully authenticated (i.e. serviceValidate has been called) | |
| 116 | if (serviceTicket != null && !serviceTicket.isEmpty()) { | |
| 117 | sendSingleLogoutRequest(logoutUrl, serviceTicket); | |
| 118 | } | |
| 7f7e0c | 119 | ClientModel client = clientSession.getClient(); |
| MP | 120 | new ResourceAdminManager(session).logoutClientSession(uriInfo.getRequestUri(), realm, client, clientSession); |
| 121 | } | |
| 122 | ||
| 57a6c1 | 123 | private void sendSingleLogoutRequest(String logoutUrl, String serviceTicket) { |
| MP | 124 | HttpEntity requestEntity = LogoutHelper.buildSingleLogoutRequest(serviceTicket); |
| 125 | try { | |
| 126 | LogoutHelper.postWithRedirect(session, logoutUrl, requestEntity); | |
| 127 | logger.debug("Sent CAS single logout for service " + logoutUrl); | |
| 128 | } catch (IOException e) { | |
| 129 | logger.warn("Failed to call CAS service for logout: " + logoutUrl, e); | |
| 130 | } | |
| 131 | } | |
| 132 | ||
| 7f7e0c | 133 | @Override |
| f75caf | 134 | public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) { |
| 7f7e0c | 135 | // todo oidc redirect support |
| MP | 136 | throw new RuntimeException("NOT IMPLEMENTED"); |
| 137 | } | |
| 138 | ||
| 139 | @Override | |
| 140 | public Response finishLogout(UserSessionModel userSession) { | |
| 4a6620 | 141 | String redirectUri = userSession.getNote(CASLoginProtocol.LOGOUT_REDIRECT_URI); |
| MP | 142 | |
| 7f7e0c | 143 | event.event(EventType.LOGOUT); |
| MP | 144 | event.user(userSession.getUser()).session(userSession).success(); |
| cbb2f2 | 145 | |
| 4a6620 | 146 | if (redirectUri != null) { |
| cbb2f2 | 147 | return Response.status(302).location(URI.create(redirectUri)).build(); |
| 4a6620 | 148 | } else { |
| cbb2f2 | 149 | LoginFormsProvider infoPage = session.getProvider(LoginFormsProvider.class).setSuccess("Logout successful"); |
| 4a6620 | 150 | infoPage.setAttribute("skipLink", true); |
| cbb2f2 | 151 | return infoPage.createInfoPage(); |
| 4a6620 | 152 | } |
| 7f7e0c | 153 | } |
| MP | 154 | |
| 155 | @Override | |
| f75caf | 156 | public boolean requireReauthentication(UserSessionModel userSession, AuthenticationSessionModel authSession) { |
| MP | 157 | return "true".equals(authSession.getClientNote(CASLoginProtocol.RENEW_PARAM)); |
| 7f7e0c | 158 | } |
| MP | 159 | |
| 160 | @Override | |
| 161 | public void close() { | |
| 162 | ||
| 163 | } | |
| 164 | } | |
