mirror of https://github.com/jacekkow/keycloak-protocol-cas

Updater Bot
2018-12-04 c4bfdac0908285415a8cb03cb03634f6be923ca2
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 }