/**
 * DSS - Digital Signature Services
 * Copyright (C) 2015 European Commission, provided under the CEF programme
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package eu.europa.esig.dss.cookbook.example.validate;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

import eu.europa.esig.dss.DSSDocument;
import eu.europa.esig.dss.DSSUtils;
import eu.europa.esig.dss.FileDocument;
import eu.europa.esig.dss.cookbook.example.Cookbook;
import eu.europa.esig.dss.cookbook.mock.MockTSLCertificateSource;
import eu.europa.esig.dss.cookbook.sources.AlwaysValidOCSPSource;
import eu.europa.esig.dss.test.mock.MockServiceInfo;
import eu.europa.esig.dss.tsl.ServiceInfo;
import eu.europa.esig.dss.validation.CommonCertificateVerifier;
import eu.europa.esig.dss.validation.SignedDocumentValidator;
import eu.europa.esig.dss.validation.reports.Reports;
import eu.europa.esig.dss.x509.CertificateToken;

/**
 * How to validate a XAdES-BASELINE-B EXTENDED signature.
 */
public class ValidateExtendedSignedXmlXadesBtoT extends Cookbook {

	public static void main(String[] args) throws IOException {

		preparePKCS12TokenAndKey();

		final CertificateToken[] certificateChain = privateKey.getCertificateChain();
		final CertificateToken trustedCertificate = certificateChain[0];

		DSSDocument document = new FileDocument("target/extendedSignedXmlXadesBToT.xml");
		SignedDocumentValidator validator = SignedDocumentValidator.fromDocument(document);

		CommonCertificateVerifier verifier = new CommonCertificateVerifier();
		AlwaysValidOCSPSource ocspSource = new AlwaysValidOCSPSource();
		verifier.setOcspSource(ocspSource);
		/**
		 * This Trusted List Certificates Source points to
		 * "https://ec.europa.eu/information_society/policy/esignature/trusted-list/tl-mp.xml"
		 */
		MockTSLCertificateSource trustedCertSource = new MockTSLCertificateSource();
		ServiceInfo mockServiceInfo = new MockServiceInfo();
		trustedCertSource.addCertificate(trustedCertificate, mockServiceInfo);
		verifier.setTrustedCertSource(trustedCertSource);

		validator.setCertificateVerifier(verifier);

		Reports reports = validator.validateDocument();

		InputStream is = new ByteArrayInputStream(reports.getXmlSimpleReport().getBytes("UTF-8"));
		DSSUtils.saveToFile(is, "target/validationExtendedXmlXadesBtoT_simpleReport.xml");

		is = new ByteArrayInputStream(reports.getXmlDetailedReport().getBytes("UTF-8"));
		DSSUtils.saveToFile(is, "target/validationExtendedXmlXadesBtoT_detailReport.xml");
	}
}