/**
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.apache.kerby.kerberos.kdc;

import org.apache.kerby.kerberos.kerb.KrbConstant;
import org.apache.kerby.kerberos.kerb.KrbException;
import org.apache.kerby.kerberos.kerb.client.KrbConfigKey;
import org.apache.kerby.kerberos.kerb.client.KrbTokenClient;
import org.apache.kerby.kerberos.kerb.server.KdcConfigKey;
import org.apache.kerby.kerberos.kerb.server.TestKdcServer;
import org.apache.kerby.kerberos.kerb.type.ticket.SgtTicket;
import org.apache.kerby.kerberos.kerb.type.ticket.TgtTicket;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class TokenWithAnonymousPkinitKdcTest extends TokenKdcTestBase {

    @Override
    protected void configKdcSeverAndClient() {
        super.configKdcSeverAndClient();

        String pkinitIdentity = getClass().getResource("/kdccerttest.pem").getPath() + ","
                + getClass().getResource("/kdckey.pem").getPath();
        getKdcServer().getKdcConfig().setString(KdcConfigKey.PKINIT_IDENTITY, pkinitIdentity);

        String pkinitAnchors = getClass().getResource("/cacerttest.pem").getPath();
        getKrbClient().getKrbConfig().setString(KrbConfigKey.PKINIT_ANCHORS, pkinitAnchors);
    }

    @Override
    protected void createPrincipals() throws KrbException {
        super.createPrincipals();
        //Anonymity support is not enabled by default.
        //To enable it, you must create the principal WELLKNOWN/ANONYMOUS
        getKdcServer().createPrincipal(KrbConstant.ANONYMOUS_PRINCIPAL);
    }

    @Test
    public void testKdc() throws Exception {
        prepareToken(getAudience("krbtgt"));
        performTest();
    }

    private void performTest() throws Exception {

        TgtTicket tgt;
        KrbTokenClient tokenClient = getTokenClient();
        try {
            tgt = tokenClient.requestTgt(getKrbToken(),
                    createAnonymousTgt());
        } catch (KrbException e) {
            if (e.getMessage().contains("timeout")) {
                return;
            }
            throw e;
        }
        verifyTicket(tgt);

        SgtTicket tkt = getKrbClient().requestSgt(tgt,
                getServerPrincipal());
        verifyTicket(tkt);
    }

    private String getAudience(String name) {
        return name + "/" + TestKdcServer.KDC_REALM + "@" + TestKdcServer.KDC_REALM;
    }

    private TgtTicket createAnonymousTgt() {
        TgtTicket tgt = null;

        try {
            tgt = getPkinitClient().requestTgt();
        } catch (KrbException te) {
            te.printStackTrace();
            Assertions.fail();
        }
        return tgt;
    }
}
