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path: root/xmlsecurity/tools/standalone/mscsfit/encrypter.cxx
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/** -- C++ Source File -- **/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlsecurity.hxx"
#include <stdio.h>
#include "helper.hxx"

#include "libxml/tree.h"
#include "libxml/parser.h"
#ifndef XMLSEC_NO_XSLT
#include "libxslt/xslt.h"
#endif

#include "securityenvironment_mscryptimpl.hxx"
#include "xmlelementwrapper_xmlsecimpl.hxx"

#include "xmlsec/strings.h"
#include "xmlsec/mscrypto/app.h"
#include "xmlsec/xmltree.h"

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

#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
#include <com/sun/star/xml/wrapper/XXMLDocumentWrapper.hpp>
#include <com/sun/star/xml/crypto/XXMLEncryption.hpp>
#include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
#include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>

using namespace ::rtl ;
using namespace ::cppu ;
using namespace ::com::sun::star::uno ;
using namespace ::com::sun::star::io ;
using namespace ::com::sun::star::ucb ;
using namespace ::com::sun::star::beans ;
using namespace ::com::sun::star::document ;
using namespace ::com::sun::star::lang ;
using namespace ::com::sun::star::registry ;
using namespace ::com::sun::star::xml::wrapper ;
using namespace ::com::sun::star::xml::crypto ;

int SAL_CALL main( int argc, char **argv )
{
    const char* 		n_pCertStore ;
    HCERTSTORE			n_hStoreHandle ;

    xmlDocPtr			doc = NULL ;
    xmlNodePtr			tplNode ;
    xmlNodePtr			tarNode ;
    FILE*				dstFile = NULL ;

    HCRYPTPROV			hCryptProv = NULL ;
    HCRYPTKEY			symKey = NULL ;

    if( argc != 6 && argc != 7 ) {
        fprintf( stderr, "Usage: %s <file_url of template> <file_url of result> <target element name> <target element namespace> <rdb file>\n\n" , argv[0] ) ;
        fprintf( stderr, "Usage: %s <file_url of template> <file_url of result> <target element name> <target element namespace> <rdb file> < Cert Store Name >\n\n" , argv[0] ) ;
        return 1 ;
    }

    //Init libxml and libxslt libraries
    xmlInitParser();
    LIBXML_TEST_VERSION
    xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
    xmlSubstituteEntitiesDefault(1);

    #ifndef XMLSEC_NO_XSLT
    xmlIndentTreeOutput = 1; 
    #endif // XMLSEC_NO_XSLT

    //Initialize the crypto engine
    if( argc == 7 ) {
        n_pCertStore = argv[6] ;
        n_hStoreHandle = CertOpenSystemStore( NULL, n_pCertStore ) ;
        if( n_hStoreHandle == NULL ) {
            fprintf( stderr, "Can not open the system cert store %s\n", n_pCertStore ) ;
            return 1 ;
        }
    } else {
        n_pCertStore = NULL ;
        n_hStoreHandle = NULL ;
    }
    xmlSecMSCryptoAppInit( n_pCertStore ) ;

    //Create encryption key.
    //CryptAcquireContext( &hCryptProv , NULL , NULL , PROV_RSA_FULL , CRYPT_DELETEKEYSET ) ;
    //CryptAcquireContext( &hCryptProv , "MyTempKeyContainer" , NULL , PROV_RSA_FULL , CRYPT_DELETEKEYSET ) ;

    if( !CryptAcquireContext( &hCryptProv , NULL , NULL , PROV_RSA_FULL , CRYPT_VERIFYCONTEXT ) ) {
        fprintf( stderr, "### cannot get crypto provider context!\n" );
        goto done ;
    }

    if( !CryptGenKey( hCryptProv, CALG_RC4, 0x00800000 | CRYPT_EXPORTABLE, &symKey ) ) {
        fprintf( stderr , "### cannot create symmetric key!\n" ) ;
        goto done ;
    }

    //Load XML document
    doc = xmlParseFile( argv[1] ) ;
    if( doc == NULL || xmlDocGetRootElement( doc ) == NULL ) {
        fprintf( stderr , "### Cannot load template xml document!\n" ) ;
        goto done ;
    }

    //Find the encryption template
    tplNode = xmlSecFindNode( xmlDocGetRootElement( doc ), xmlSecNodeEncryptedData, xmlSecEncNs ) ;
    if( tplNode == NULL ) {
        fprintf( stderr , "### Cannot find the encryption template!\n" ) ;
        goto done ;
    }

    //Find the encryption template
    tarNode = xmlSecFindNode( xmlDocGetRootElement( doc ), ( const unsigned char*)argv[3], ( const unsigned char*)argv[4] ) ;
    if( tarNode == NULL ) {
        fprintf( stderr , "### Cannot find the encryption target!\n" ) ;
        goto done ;
    }

    try {
        Reference< XMultiComponentFactory > xManager = NULL ;
        Reference< XComponentContext > xContext = NULL ;

        xManager = serviceManager( xContext , OUString::createFromAscii( "local" ), OUString::createFromAscii( argv[5] ) ) ;

        //Create encryption template
        Reference< XInterface > tplElement =
            xManager->createInstanceWithContext( OUString::createFromAscii( "com.sun.star.xml.security.bridge.xmlsec.XMLElementWrapper_XmlSecImpl" ) , xContext ) ;
        OSL_ENSURE( tplElement.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.XMLElementWrapper\"" ) ;

        Reference< XXMLElementWrapper > xTplElement( tplElement , UNO_QUERY ) ;
        OSL_ENSURE( xTplElement.is() ,
            "Encryptor - "
            "Cannot get interface of \"XXMLElementWrapper\" from service \"xsec.XMLElementWrapper\"" ) ;

        Reference< XUnoTunnel > xTplEleTunnel( xTplElement , UNO_QUERY ) ;
        OSL_ENSURE( xTplEleTunnel.is() ,
            "Encryptor - "
            "Cannot get interface of \"XUnoTunnel\" from service \"xsec.XMLElementWrapper\"" ) ;

        XMLElementWrapper_XmlSecImpl* pTplElement = ( XMLElementWrapper_XmlSecImpl* )xTplEleTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
        OSL_ENSURE( pTplElement != NULL ,
            "Encryptor - "
            "Cannot get implementation of \"xsec.XMLElementWrapper\"" ) ;

        pTplElement->setNativeElement( tplNode ) ;

        //Create encryption target element
        Reference< XInterface > tarElement =
            xManager->createInstanceWithContext( OUString::createFromAscii( "com.sun.star.xml.security.bridge.xmlsec.XMLElementWrapper_XmlSecImpl" ) , xContext ) ;
        OSL_ENSURE( tarElement.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.XMLElementWrapper\"" ) ;

        Reference< XXMLElementWrapper > xTarElement( tarElement , UNO_QUERY ) ;
        OSL_ENSURE( xTarElement.is() ,
            "Encryptor - "
            "Cannot get interface of \"XXMLElementWrapper\" from service \"xsec.XMLElementWrapper\"" ) ;

        Reference< XUnoTunnel > xTarEleTunnel( xTarElement , UNO_QUERY ) ;
        OSL_ENSURE( xTarEleTunnel.is() ,
            "Encryptor - "
            "Cannot get interface of \"XUnoTunnel\" from service \"xsec.XMLElementWrapper\"" ) ;

        XMLElementWrapper_XmlSecImpl* pTarElement = ( XMLElementWrapper_XmlSecImpl* )xTarEleTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
        OSL_ENSURE( pTarElement != NULL ,
            "Encryptor - "
            "Cannot get implementation of \"xsec.XMLElementWrapper\"" ) ;

        pTarElement->setNativeElement( tarNode ) ;


        //Build XML Encryption template
        Reference< XInterface > enctpl =
            xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.crypto.XMLEncryptionTemplate"), xContext ) ;
        OSL_ENSURE( enctpl.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.XMLEncryptionTemplate\"" ) ;

        Reference< XXMLEncryptionTemplate > xTemplate( enctpl , UNO_QUERY ) ;
        OSL_ENSURE( xTemplate.is() ,
            "Encryptor - "
            "Cannot get interface of \"XXMLEncryptionTemplate\" from service \"xsec.XMLEncryptionTemplate\"" ) ;

        //Import the encryption template
        xTemplate->setTemplate( xTplElement ) ;
        xTemplate->setTarget( xTarElement ) ;

        //Create security environment
        //Build Security Environment
        Reference< XInterface > xsecenv =
            xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.SecurityEnvironment_MSCryptImpl"), xContext ) ;
        OSL_ENSURE( xsecenv.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.SecurityEnvironment\"" ) ;

        Reference< XSecurityEnvironment > xSecEnv( xsecenv , UNO_QUERY ) ;
        OSL_ENSURE( xSecEnv.is() ,
            "Encryptor - "
            "Cannot get interface of \"XSecurityEnvironment\" from service \"xsec.SecurityEnvironment\"" ) ;

        //Setup key slot and certDb
        Reference< XUnoTunnel > xEnvTunnel( xsecenv , UNO_QUERY ) ;
        OSL_ENSURE( xEnvTunnel.is() ,
            "Encryptor - "
            "Cannot get interface of \"XUnoTunnel\" from service \"xsec.SecurityEnvironment\"" ) ;

        SecurityEnvironment_MSCryptImpl* pSecEnv = ( SecurityEnvironment_MSCryptImpl* )xEnvTunnel->getSomething( SecurityEnvironment_MSCryptImpl::getUnoTunnelId() ) ;
        OSL_ENSURE( pSecEnv != NULL ,
            "Encryptor - "
            "Cannot get implementation of \"xsec.SecurityEnvironment\"" ) ;

        //Setup key slot and certDb
        if( n_hStoreHandle != NULL ) {
            pSecEnv->setCryptoSlot( n_hStoreHandle ) ;
            pSecEnv->setCertDb( n_hStoreHandle ) ;
        } else {
            pSecEnv->enableDefaultCrypt( sal_True ) ;
        }

        pSecEnv->adoptSymKey( symKey ) ;


        //Build XML Security Context
        Reference< XInterface > xmlsecctx =
            xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.XMLSecurityContext_MSCryptImpl"), xContext ) ;
        OSL_ENSURE( xmlsecctx.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.XMLSecurityContext\"" ) ;

        Reference< XXMLSecurityContext > xSecCtx( xmlsecctx , UNO_QUERY ) ;
        OSL_ENSURE( xSecCtx.is() ,
            "Encryptor - "
            "Cannot get interface of \"XXMLSecurityContext\" from service \"xsec.XMLSecurityContext\"" ) ;

        xSecCtx->addSecurityEnvironment( xSecEnv ) ;

        //Get encrypter
        Reference< XInterface > xmlencrypter =
            xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.XMLEncryption_MSCryptImpl"), xContext ) ;
        OSL_ENSURE( xmlencrypter.is() ,
            "Encryptor - "
            "Cannot get service instance of \"xsec.XMLEncryption\"" ) ;

        Reference< XXMLEncryption > xEncrypter( xmlencrypter , UNO_QUERY ) ;
        OSL_ENSURE( xEncrypter.is() ,
            "Encryptor - "
            "Cannot get interface of \"XXMLEncryption\" from service \"xsec.XMLEncryption\"" ) ;

        //perform encryption
        xTemplate = xEncrypter->encrypt( xTemplate , xSecEnv ) ;
        OSL_ENSURE( xTemplate.is() ,
            "Encryptor - "
            "Cannot encrypt the xml document" ) ;
            
            
        com::sun::star::xml::crypto::SecurityOperationStatus m_nStatus = xTemplate->getStatus();
        if (m_nStatus == SecurityOperationStatus_OPERATION_SUCCEEDED)
        {
            fprintf( stdout, "Operation succeeds.\n") ;
        }
        else
        {
            fprintf( stdout, "Operation fails.\n") ;
        }
    } catch( Exception& e ) {
        fprintf( stderr , "Error Message: %s\n" , OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US ).getStr() ) ;
        goto done ;
    }

    dstFile = fopen( argv[2], "w" ) ;
    if( dstFile == NULL ) {
        fprintf( stderr , "### Can not open file %s\n", argv[2] ) ;
        goto done ;
    }

    //Save result
    xmlDocDump( dstFile, doc ) ;

done:
    if( dstFile != NULL )
        fclose( dstFile ) ;

    if( symKey != NULL ) {
        CryptDestroyKey( symKey ) ;
    }

    if( hCryptProv != NULL ) {
        CryptReleaseContext( hCryptProv, 0 ) ;
    }

    if( n_hStoreHandle != NULL )
        CertCloseStore( n_hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG ) ;

    /* Shutdown libxslt/libxml */
    #ifndef XMLSEC_NO_XSLT
    xsltCleanupGlobals();            
    #endif /* XMLSEC_NO_XSLT */
    xmlCleanupParser();

    return 0;
}