/**************************************************************
 *
 * 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.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlsecurity.hxx"

#include <stdio.h>
#include "util.hxx"

#include <rtl/ustring.hxx>
#include <cppuhelper/servicefactory.hxx>

#include <xmlsecurity/biginteger.hxx>
#include <xmlsecurity/xmlsignaturehelper.hxx>
#include "xmlsecurity/baseencoding.hxx"
#include <tools/date.hxx>
#include <tools/time.hxx>

using namespace ::com::sun::star;

long denyVerifyHandler( void *, void * )
{
	return  0;
}

long startVerifyHandler( void *, void * )
{
	return QueryVerifySignature();
}

int SAL_CALL main( int argc, char **argv )
{
	if( argc < 5 )
	{
		fprintf( stderr, "Usage: %s <signature file 1> <signature file 2> <xml stream file> <binary stream file> [<cryptoken>]\n" , argv[0] ) ;
		return -1 ;
	}

	uno::Reference< lang::XMultiServiceFactory > xMSF = CreateDemoServiceFactory();

	rtl::OUString aSIGFileName = rtl::OUString::createFromAscii(argv[1]);
	rtl::OUString aSIGFileName2 = rtl::OUString::createFromAscii(argv[2]);
	rtl::OUString aXMLFileName = rtl::OUString::createFromAscii(argv[3]);
	rtl::OUString aBINFileName = rtl::OUString::createFromAscii(argv[4]);
	rtl::OUString aCryptoToken;
	if ( argc >= 7 )
	    aCryptoToken = rtl::OUString::createFromAscii(argv[6]);

	sal_Int32 nSecurityId;
	uno::Reference< io::XOutputStream > xOutputStream;
	uno::Reference< io::XInputStream > xInputStream;
	bool bDone;
	SignatureInformations signatureInformations;
	uno::Reference< ::com::sun::star::xml::sax::XDocumentHandler> xDocumentHandler;

	// -------- START -------

	XMLSignatureHelper aSignatureHelper( xMSF );

	bool bInit = aSignatureHelper.Init( aCryptoToken );
	if ( !bInit )
	{
		fprintf( stderr, "Error initializing security context!\n" );
		return -1;
	}

	fprintf( stdout, "\n\nTEST MISSION 1: Create the first signature file\n");

	aSignatureHelper.StartMission();

	/*
	 * select a private key certificate
	 */
	uno::Reference< xml::crypto::XSecurityEnvironment > xSecurityEnvironment = aSignatureHelper.GetSecurityEnvironment();
	uno::Sequence< uno::Reference< ::com::sun::star::security::XCertificate > > xPersonalCerts = xSecurityEnvironment->getPersonalCertificates() ;

	fprintf( stdout, "\nPlease select two certificates:\n" );

	for ( int nSig = 0; nSig < 2; nSig++ )
	{
		// New security ID for signature...
		nSecurityId = aSignatureHelper.GetNewSecurityId();

		// Select certificate...
		uno::Reference< ::com::sun::star::security::XCertificate > xPersonalCert = getCertificateFromEnvironment( xSecurityEnvironment, true );
		aSignatureHelper.SetX509Certificate(
            nSecurityId, xPersonalCert->getIssuerName(),
            bigIntegerToNumericString( xPersonalCert->getSerialNumber()),
            baseEncode(xPersonalCert->getEncoded(), BASE64));
		aSignatureHelper.AddForSigning( nSecurityId, aXMLFileName, aXMLFileName, sal_False );
		aSignatureHelper.AddForSigning( nSecurityId, aBINFileName, aBINFileName, sal_True );
		aSignatureHelper.SetDateTime( nSecurityId, Date(), Time() );
	}
	/*
	 * creates signature
	 */
	xOutputStream = OpenOutputStream( aSIGFileName );
	bDone = aSignatureHelper.CreateAndWriteSignature( xOutputStream );
	if ( !bDone )
		fprintf( stderr, "\nSTATUS MISSION 1: Error creating Signature!\n" );
	else
		fprintf( stdout, "\nSTATUS MISSION 1: Signature successfully created!\n" );

	aSignatureHelper.EndMission();


	fprintf( stdout, "\n\nTEST MISSION 2: Transfer the second signature to a new signature file\n");

	/*
	 * You can use an uninitialized SignatureHelper to perform this mission.
	 */

	/*
	 * configures the start-verify handler. Don't need to verify for transferring...
	 */
	aSignatureHelper.SetStartVerifySignatureHdl( Link( NULL, denyVerifyHandler ) );
	aSignatureHelper.StartMission();

	xInputStream = OpenInputStream( aSIGFileName );
	bDone = aSignatureHelper.ReadAndVerifySignature( xInputStream );
	xInputStream->closeInput();

	if ( !bDone )
		fprintf( stderr, "\nSTATUS MISSION 2: Error in reading Signature!\n" );
	else
		fprintf( stdout, "\nSTATUS MISSION 2: Signature successfully transferred!\n" );

	/*
	 * get all signature information
	 */
	signatureInformations = aSignatureHelper.GetSignatureInformations();

	/*
	 * write the first signature into the second signature file.
	 */

	xOutputStream = OpenOutputStream( aSIGFileName2 );
	xDocumentHandler = aSignatureHelper.CreateDocumentHandlerWithHeader( xOutputStream);
	aSignatureHelper.ExportSignature( xDocumentHandler, signatureInformations[1]);
	aSignatureHelper.CloseDocumentHandler( xDocumentHandler);
	aSignatureHelper.EndMission();

	fprintf( stdout, "\n\nTEST MISSION 3: Insert a new signature to the first signature file\n");

	aSignatureHelper.StartMission();

	nSecurityId = aSignatureHelper.GetNewSecurityId();

	// Select certificate...
	uno::Reference< ::com::sun::star::security::XCertificate > xPersonalCert = getCertificateFromEnvironment( xSecurityEnvironment, true );
	aSignatureHelper.SetX509Certificate(
        nSecurityId, xPersonalCert->getIssuerName(),
        bigIntegerToNumericString( xPersonalCert->getSerialNumber()),
        baseEncode(xPersonalCert->getEncoded(), BASE64));
	aSignatureHelper.AddForSigning( nSecurityId, aXMLFileName, aXMLFileName, sal_False );
	aSignatureHelper.AddForSigning( nSecurityId, aBINFileName, aBINFileName, sal_True );
	aSignatureHelper.SetDateTime( nSecurityId, Date(), Time() );


	xOutputStream = OpenOutputStream( aSIGFileName );
	xDocumentHandler = aSignatureHelper.CreateDocumentHandlerWithHeader( xOutputStream);

	aSignatureHelper.ExportSignature( xDocumentHandler, signatureInformations[0]);
	bDone = aSignatureHelper.CreateAndWriteSignature( xDocumentHandler );
	aSignatureHelper.ExportSignature( xDocumentHandler, signatureInformations[1]);
	aSignatureHelper.CloseDocumentHandler( xDocumentHandler);

	if ( !bDone )
		fprintf( stderr, "\nSTATUS MISSION 3: Error creating Signature!\n" );
	else
		fprintf( stdout, "\nSTATUS MISSION 3: Signature successfully created!\n" );

	aSignatureHelper.EndMission();

	fprintf( stdout, "\n\nTEST MISSION 4 : Verify the first signature file\n");

	aSignatureHelper.SetStartVerifySignatureHdl( Link( NULL, startVerifyHandler ) );

	aSignatureHelper.StartMission();

	xInputStream = OpenInputStream( aSIGFileName );
	bDone = aSignatureHelper.ReadAndVerifySignature( xInputStream );
	xInputStream->closeInput();

	if ( !bDone )
		fprintf( stderr, "\nSTATUS MISSION 4: Error verifying Signatures!\n" );
	else
		fprintf( stdout, "\nSTATUS MISSION 4: All chosen Signatures verified successfully!\n" );

	aSignatureHelper.EndMission();

	QueryPrintSignatureDetails( aSignatureHelper.GetSignatureInformations(), aSignatureHelper.GetSecurityEnvironment() );

	fprintf( stdout, "\n\nTEST MISSION 5: Verify the second signature file\n");

	aSignatureHelper.StartMission();

	xInputStream = OpenInputStream( aSIGFileName2 );
	bDone = aSignatureHelper.ReadAndVerifySignature( xInputStream );
	xInputStream->closeInput();

	if ( !bDone )
		fprintf( stderr, "\nSTATUS MISSION 5: Error verifying Signatures!\n" );
	else
		fprintf( stdout, "\nSTATUS MISSION 5: All chosen Signatures verified successfully!\n" );

	aSignatureHelper.EndMission();

	QueryPrintSignatureDetails( aSignatureHelper.GetSignatureInformations(), aSignatureHelper.GetSecurityEnvironment() );

	return 0;
}