/*
* 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.protocol.oidc;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.keycloak.RSATokenVerifier;
import org.keycloak.common.VerificationException;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.representations.AccessToken;
import org.keycloak.services.ErrorResponseException;
import org.keycloak.services.Urls;
import org.keycloak.util.JsonSerialization;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.security.PublicKey;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
public class AccessTokenIntrospectionProvider implements TokenIntrospectionProvider {
private final KeycloakSession session;
private final TokenManager tokenManager;
private final RealmModel realm;
public AccessTokenIntrospectionProvider(KeycloakSession session) {
this.session = session;
this.realm = session.getContext().getRealm();
this.tokenManager = new TokenManager();
}
public Response introspect(String token) {
try {
boolean valid = true;
AccessToken toIntrospect = null;
try {
RSATokenVerifier verifier = RSATokenVerifier.create(token)
.realmUrl(Urls.realmIssuer(session.getContext().getUri().getBaseUri(), realm.getName()));
PublicKey publicKey = session.keys().getRsaPublicKey(realm, verifier.getHeader().getKeyId());
if (publicKey == null) {
valid = false;
} else {
verifier.publicKey(publicKey);
verifier.verify();
toIntrospect = verifier.getToken();
}
} catch (VerificationException e) {
valid = false;
}
RealmModel realm = this.session.getContext().getRealm();
ObjectNode tokenMetadata;
if (valid && toIntrospect != null) {
valid = tokenManager.isTokenValid(session, realm, toIntrospect);
}
if (valid) {
tokenMetadata = JsonSerialization.createObjectNode(toIntrospect);
tokenMetadata.put("client_id", toIntrospect.getIssuedFor());
tokenMetadata.put("username", toIntrospect.getPreferredUsername());
} else {
tokenMetadata = JsonSerialization.createObjectNode();
}
tokenMetadata.put("active", valid);
return Response.ok(JsonSerialization.writeValueAsBytes(tokenMetadata)).type(MediaType.APPLICATION_JSON_TYPE).build();
} catch (Exception e) {
throw new RuntimeException("Error creating token introspection response.", e);
}
}
protected AccessToken toAccessToken(String token) {
try {
RSATokenVerifier verifier = RSATokenVerifier.create(token)
.realmUrl(Urls.realmIssuer(session.getContext().getUri().getBaseUri(), realm.getName()));
PublicKey publicKey = session.keys().getRsaPublicKey(realm, verifier.getHeader().getKeyId());
verifier.publicKey(publicKey);
return verifier.verify().getToken();
} catch (VerificationException e) {
throw new ErrorResponseException("invalid_request", "Invalid token.", Response.Status.UNAUTHORIZED);
}
}
@Override
public void close() {
}
}