/*
* 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.adapters.saml.elytron;
import java.io.IOException;
import java.security.Principal;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.sasl.AuthorizeCallback;
import org.keycloak.adapters.saml.SamlPrincipal;
import org.wildfly.security.auth.callback.AuthenticationCompleteCallback;
import org.wildfly.security.auth.callback.EvidenceVerifyCallback;
import org.wildfly.security.auth.callback.SecurityIdentityCallback;
import org.wildfly.security.auth.server.SecurityIdentity;
import org.wildfly.security.evidence.Evidence;
import org.wildfly.security.http.HttpAuthenticationException;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
final class SecurityIdentityUtil {
static final SecurityIdentity authorize(CallbackHandler callbackHandler, SamlPrincipal principal) {
try {
EvidenceVerifyCallback evidenceVerifyCallback = new EvidenceVerifyCallback(new Evidence() {
@Override
public Principal getPrincipal() {
return principal;
}
});
callbackHandler.handle(new Callback[]{evidenceVerifyCallback});
if (evidenceVerifyCallback.isVerified()) {
AuthorizeCallback authorizeCallback = new AuthorizeCallback(null, null);
try {
callbackHandler.handle(new Callback[] {authorizeCallback});
} catch (Exception e) {
throw new HttpAuthenticationException(e);
}
if (authorizeCallback.isAuthorized()) {
SecurityIdentityCallback securityIdentityCallback = new SecurityIdentityCallback();
callbackHandler.handle(new Callback[]{AuthenticationCompleteCallback.SUCCEEDED, securityIdentityCallback});
SecurityIdentity securityIdentity = securityIdentityCallback.getSecurityIdentity();
return securityIdentity;
}
}
} catch (UnsupportedCallbackException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new RuntimeException(e);
}
return null;
}
}