/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * 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 tests.targets.security.cert;

import java.io.ByteArrayInputStream;
import java.security.KeyStore;
import java.security.cert.CertPath;
import java.security.cert.CertPathParameters;
import java.security.cert.CertStore;
import java.security.cert.CertStoreParameters;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.CollectionCertStoreParameters;
import java.security.cert.PKIXBuilderParameters;
import java.security.cert.X509CertSelector;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import javax.security.auth.x500.X500Principal;
import tests.security.CertPathBuilderTest;

public class CertPathBuilderTestPKIX extends CertPathBuilderTest {

    public CertPathBuilderTestPKIX() {
        super("PKIX");
    }

    @Override
    public CertPathParameters getCertPathParameters() throws Exception {
        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());

        keyStore.load(null, null);

        CertificateFactory certificateFactory = CertificateFactory.getInstance(
                "X509");

        X509Certificate selfSignedcertificate =
                (X509Certificate) certificateFactory.generateCertificate(
                        new ByteArrayInputStream(selfSignedCert.getBytes()));

        keyStore.setCertificateEntry("selfSignedCert", selfSignedcertificate);

        X509CertSelector targetConstraints = new X509CertSelector();
        targetConstraints.setCertificate(selfSignedcertificate);

        List<Certificate> certList = new ArrayList<Certificate>();
        certList.add(selfSignedcertificate);
        CertStoreParameters storeParams = new CollectionCertStoreParameters(
                certList);


        CertStore certStore = CertStore.getInstance("Collection", storeParams);


        PKIXBuilderParameters parameters = new PKIXBuilderParameters(
                keyStore, targetConstraints);
        parameters.addCertStore(certStore);
        parameters.setRevocationEnabled(false);
        return parameters;
    }

    @Override
    public void validateCertPath(CertPath path) {
        List<? extends Certificate> certificates = path.getCertificates();
        Certificate certificate = certificates.get(0);

        assertEquals("unexpected certificate type", "X.509", certificate
                .getType());

        X509Certificate x509Certificate = (X509Certificate) certificate;
        X500Principal subjectX500Principal = x509Certificate
                .getSubjectX500Principal();

        X500Principal expectedPrincipal = new X500Principal("CN=Android CTS, "
                + "OU=Android, O=Android, L=Android, ST=Android, C=AN");

        assertEquals("unexpected principal", expectedPrincipal,
                subjectX500Principal);
    }

    private String selfSignedCert = "-----BEGIN CERTIFICATE-----\n"
    + "MIICSDCCAbECBEk2ZvswDQYJKoZIhvcNAQEEBQAwazELMAkGA1UEBhMCQU4xEDAOBgNVBAgTB0Fu\n"
    + "ZHJvaWQxEDAOBgNVBAcTB0FuZHJvaWQxEDAOBgNVBAoTB0FuZHJvaWQxEDAOBgNVBAsTB0FuZHJv\n"
    + "aWQxFDASBgNVBAMTC0FuZHJvaWQgQ1RTMB4XDTA4MTIwMzExMDExNVoXDTM2MDQyMDExMDExNVow\n"
    + "azELMAkGA1UEBhMCQU4xEDAOBgNVBAgTB0FuZHJvaWQxEDAOBgNVBAcTB0FuZHJvaWQxEDAOBgNV\n"
    + "BAoTB0FuZHJvaWQxEDAOBgNVBAsTB0FuZHJvaWQxFDASBgNVBAMTC0FuZHJvaWQgQ1RTMIGfMA0G\n"
    + "CSqGSIb3DQEBAQUAA4GNADCBiQKBgQCAMd+N1Bu2eiI4kukOLvFlpTSEHTGplN2vvw76T7jSZinx\n"
    + "WcrtLe6qH1uPffbVNW4/BRn6OywbcynazEdqEUa09hWtHYmUsXpRPyGUBScNnyF751SGA2JIQUfg\n"
    + "3gi3gT3h32Z64AIHnn5gsGDJkeWOHx6/uVOV7iqr7cwPdLp03QIDAQABMA0GCSqGSIb3DQEBBAUA\n"
    + "A4GBAGG46Udsh6U7bSkJsyPPmSCCEkGr14L8F431UuaWbLvQVDtyPv8vtdJilyUTVnlWM6JNGV/q\n"
    + "bgHuLbohkVXn9l68GtgQ7QDexHJE5hEDG/S7cYNi9GhrCfzAjEed13VMntZHZ0XQ4E7jBOmhcMAY\n"
    + "DC9BBx1sVKoji17RP4R8CTf1\n" + "-----END CERTIFICATE-----";
}