CookieAuthenticator.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.authentication.authenticators.browser;
import org.keycloak.authentication.AuthenticationFlowContext;
import org.keycloak.authentication.Authenticator;
import org.keycloak.authentication.authenticators.util.AcrStore;
import org.keycloak.models.Constants;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.models.UserModel;
import org.keycloak.protocol.LoginProtocol;
import org.keycloak.services.managers.AuthenticationManager;
import org.keycloak.services.messages.Messages;
import org.keycloak.sessions.AuthenticationSessionModel;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class CookieAuthenticator implements Authenticator {
@Override
public boolean requiresUser() {
return false;
}
@Override
public void authenticate(AuthenticationFlowContext context) {
AuthenticationManager.AuthResult authResult = AuthenticationManager.authenticateIdentityCookie(context.getSession(),
context.getRealm(), true);
if (authResult == null) {
context.attempted();
} else {
AuthenticationSessionModel authSession = context.getAuthenticationSession();
LoginProtocol protocol = context.getSession().getProvider(LoginProtocol.class, authSession.getProtocol());
authSession.setAuthNote(Constants.LOA_MAP, authResult.getSession().getNote(Constants.LOA_MAP));
context.setUser(authResult.getUser());
AcrStore acrStore = new AcrStore(authSession);
// Cookie re-authentication is skipped if re-authentication is required
if (protocol.requireReauthentication(authResult.getSession(), authSession)) {
// Full re-authentication, so we start with no loa
acrStore.setLevelAuthenticatedToCurrentRequest(Constants.NO_LOA);
authSession.setAuthNote(AuthenticationManager.FORCED_REAUTHENTICATION, "true");
context.setForwardedInfoMessage(Messages.REAUTHENTICATE);
context.attempted();
} else {
int previouslyAuthenticatedLevel = acrStore.getHighestAuthenticatedLevelFromPreviousAuthentication();
if (acrStore.getRequestedLevelOfAuthentication() > previouslyAuthenticatedLevel) {
// Step-up authentication, we keep the loa from the existing user session.
// The cookie alone is not enough and other authentications must follow.
acrStore.setLevelAuthenticatedToCurrentRequest(previouslyAuthenticatedLevel);
context.attempted();
} else {
// Cookie only authentication
acrStore.setLevelAuthenticatedToCurrentRequest(previouslyAuthenticatedLevel);
authSession.setAuthNote(AuthenticationManager.SSO_AUTH, "true");
context.attachUserSession(authResult.getSession());
context.success();
}
}
}
}
@Override
public void action(AuthenticationFlowContext context) {
}
@Override
public boolean configuredFor(KeycloakSession session, RealmModel realm, UserModel user) {
return true;
}
@Override
public void setRequiredActions(KeycloakSession session, RealmModel realm, UserModel user) {
}
@Override
public void close() {
}
}