mirror of https://github.com/jacekkow/keycloak-protocol-cas
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Erlend Hamnaberg
2018-11-28 cbb2f2f81452a97fddbdcc1f6010fbc85682e3b3
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7f7e0c 1 package org.keycloak.protocol.cas.endpoints;
MP 2
3 import org.jboss.logging.Logger;
4 import org.keycloak.events.Details;
5 import org.keycloak.events.Errors;
6 import org.keycloak.events.EventBuilder;
7 import org.keycloak.events.EventType;
8 import org.keycloak.models.ClientModel;
9 import org.keycloak.models.RealmModel;
10 import org.keycloak.protocol.AuthorizationEndpointBase;
11 import org.keycloak.protocol.cas.CASLoginProtocol;
12 import org.keycloak.protocol.oidc.utils.RedirectUtils;
13 import org.keycloak.services.ErrorPageException;
14 import org.keycloak.services.messages.Messages;
15 import org.keycloak.services.util.CacheControlUtil;
f75caf 16 import org.keycloak.sessions.AuthenticationSessionModel;
7f7e0c 17
MP 18 import javax.ws.rs.GET;
19 import javax.ws.rs.core.MultivaluedMap;
20 import javax.ws.rs.core.Response;
21
22 public class AuthorizationEndpoint extends AuthorizationEndpointBase {
23     private static final Logger logger = Logger.getLogger(AuthorizationEndpoint.class);
24
25     private ClientModel client;
f75caf 26     private AuthenticationSessionModel authenticationSession;
7f7e0c 27     private String redirectUri;
MP 28
29     public AuthorizationEndpoint(RealmModel realm, EventBuilder event) {
30         super(realm, event);
31         event.event(EventType.LOGIN);
32     }
33
34     @GET
35     public Response build() {
dee145 36         MultivaluedMap<String, String> params = session.getContext().getUri().getQueryParameters();
7f7e0c 37         String service = params.getFirst(CASLoginProtocol.SERVICE_PARAM);
7124d2 38         boolean renew = params.containsKey(CASLoginProtocol.RENEW_PARAM);
MP 39         boolean gateway = params.containsKey(CASLoginProtocol.GATEWAY_PARAM);
7f7e0c 40
MP 41         checkSsl();
42         checkRealm();
43         checkClient(service);
44
6638b8 45         authenticationSession = createAuthenticationSession(client, null);
f75caf 46         updateAuthenticationSession();
MP 47
7f7e0c 48         // So back button doesn't work
MP 49         CacheControlUtil.noBackButtonCacheControlHeader();
50
7124d2 51         if (renew) {
f75caf 52             authenticationSession.setClientNote(CASLoginProtocol.RENEW_PARAM, "true");
7124d2 53         }
MP 54
7f7e0c 55         this.event.event(EventType.LOGIN);
dee145 56         return handleBrowserAuthenticationRequest(authenticationSession, new CASLoginProtocol(session, realm, session.getContext().getUri(), headers, event), gateway, false);
7f7e0c 57     }
MP 58
59     private void checkClient(String service) {
60         if (service == null) {
61             event.error(Errors.INVALID_REQUEST);
6638b8 62             throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.MISSING_PARAMETER, CASLoginProtocol.SERVICE_PARAM);
7f7e0c 63         }
MP 64
65         client = realm.getClients().stream()
66                 .filter(c -> CASLoginProtocol.LOGIN_PROTOCOL.equals(c.getProtocol()))
dee145 67                 .filter(c -> RedirectUtils.verifyRedirectUri(session.getContext().getUri(), service, realm, c) != null)
7f7e0c 68                 .findFirst().orElse(null);
MP 69         if (client == null) {
70             event.error(Errors.CLIENT_NOT_FOUND);
6638b8 71             throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.CLIENT_NOT_FOUND);
7f7e0c 72         }
MP 73
74         if (!client.isEnabled()) {
75             event.error(Errors.CLIENT_DISABLED);
6638b8 76             throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.CLIENT_DISABLED);
7f7e0c 77         }
MP 78
dee145 79         redirectUri = RedirectUtils.verifyRedirectUri(session.getContext().getUri(), service, realm, client);
7f7e0c 80
MP 81         event.client(client.getClientId());
82         event.detail(Details.REDIRECT_URI, redirectUri);
83
84         session.getContext().setClient(client);
85     }
86
f75caf 87     private void updateAuthenticationSession() {
MP 88         authenticationSession.setProtocol(CASLoginProtocol.LOGIN_PROTOCOL);
89         authenticationSession.setRedirectUri(redirectUri);
90         authenticationSession.setAction(AuthenticationSessionModel.Action.AUTHENTICATE.name());
7f7e0c 91     }
MP 92 }