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

Matthias Piepkorn
2017-07-26 f75caf002c2014cd1dd875225417f2a5de1af9d0
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;
MP 15 import org.keycloak.sessions.CommonClientSessionModel;
7f7e0c 16
MP 17 import javax.ws.rs.core.HttpHeaders;
18 import javax.ws.rs.core.Response;
19 import javax.ws.rs.core.UriInfo;
57a6c1 20 import java.io.IOException;
7f7e0c 21 import java.net.URI;
MP 22
23 public class CASLoginProtocol implements LoginProtocol {
57a6c1 24     private static final Logger logger = Logger.getLogger(CASLoginProtocol.class);
MP 25
7f7e0c 26     public static final String LOGIN_PROTOCOL = "cas";
MP 27
28     public static final String SERVICE_PARAM = "service";
29     public static final String RENEW_PARAM = "renew";
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
f75caf 89     public Response authenticated(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
MP 90         ClientSessionCode<AuthenticatedClientSessionModel> accessCode = new ClientSessionCode<>(session, realm, clientSession);
7f7e0c 91
MP 92         String service = clientSession.getRedirectUri();
93         //TODO validate service
f75caf 94         accessCode.setAction(CommonClientSessionModel.Action.CODE_TO_TOKEN.name());
7f7e0c 95         KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);
MP 96         uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + accessCode.getCode());
97
98         URI redirectUri = uriBuilder.build();
99
100         Response.ResponseBuilder location = Response.status(302).location(redirectUri);
101         return location.build();
102     }
103
104     @Override
f75caf 105     public Response sendError(AuthenticationSessionModel authSession, Error error) {
7f7e0c 106         return Response.serverError().entity(error).build();
MP 107     }
108
109     @Override
f75caf 110     public void backchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
57a6c1 111         String logoutUrl = clientSession.getRedirectUri();
MP 112         String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_SERVICE_TICKET);
113         //check if session is fully authenticated (i.e. serviceValidate has been called)
114         if (serviceTicket != null && !serviceTicket.isEmpty()) {
115             sendSingleLogoutRequest(logoutUrl, serviceTicket);
116         }
7f7e0c 117         ClientModel client = clientSession.getClient();
MP 118         new ResourceAdminManager(session).logoutClientSession(uriInfo.getRequestUri(), realm, client, clientSession);
119     }
120
57a6c1 121     private void sendSingleLogoutRequest(String logoutUrl, String serviceTicket) {
MP 122         HttpEntity requestEntity = LogoutHelper.buildSingleLogoutRequest(serviceTicket);
123         try {
124             LogoutHelper.postWithRedirect(session, logoutUrl, requestEntity);
125             logger.debug("Sent CAS single logout for service " + logoutUrl);
126         } catch (IOException e) {
127             logger.warn("Failed to call CAS service for logout: " + logoutUrl, e);
128         }
129     }
130
7f7e0c 131     @Override
f75caf 132     public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
7f7e0c 133         // todo oidc redirect support
MP 134         throw new RuntimeException("NOT IMPLEMENTED");
135     }
136
137     @Override
138     public Response finishLogout(UserSessionModel userSession) {
4a6620 139         String redirectUri = userSession.getNote(CASLoginProtocol.LOGOUT_REDIRECT_URI);
MP 140
7f7e0c 141         event.event(EventType.LOGOUT);
MP 142         event.user(userSession.getUser()).session(userSession).success();
4a6620 143         LoginFormsProvider infoPage = session.getProvider(LoginFormsProvider.class).setSuccess("Logout successful");
MP 144         if (redirectUri != null) {
145             infoPage.setAttribute("pageRedirectUri", redirectUri);
146         } else {
147             infoPage.setAttribute("skipLink", true);
148         }
149         return infoPage.createInfoPage();
7f7e0c 150     }
MP 151
152     @Override
f75caf 153     public boolean requireReauthentication(UserSessionModel userSession, AuthenticationSessionModel authSession) {
MP 154         return "true".equals(authSession.getClientNote(CASLoginProtocol.RENEW_PARAM));
7f7e0c 155     }
MP 156
157     @Override
158     public void close() {
159
160     }
161 }