xmlsecurity/tools/standalone/csfit/decrypter.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_xmlsecurity.hxx"
  30
  31 #include <stdio.h>
  32 #include "helper.hxx"
  33
  34 #include "libxml/tree.h"
  35 #include "libxml/parser.h"
  36 #ifndef XMLSEC_NO_XSLT
  37 #include "libxslt/xslt.h"
  38 #endif
  39
  40
  41 #include "securityenvironment_nssimpl.hxx"
  42 #include "xmlelementwrapper_xmlsecimpl.hxx"
  43
  44 #include "nspr.h"
  45 #include "prtypes.h"
  46
  47 #include "pk11func.h"
  48 #include "cert.h"
  49 #include "cryptohi.h"
  50 #include "certdb.h"
  51 #include "nss.h"
  52
  53 #include "xmlsec/strings.h"
  54 #include "xmlsec/xmltree.h"
  55
  56 #include <rtl/ustring.hxx>
  57 #include <cppuhelper/bootstrap.hxx>
  58 #include <cppuhelper/servicefactory.hxx>
  59
  60 #include <com/sun/star/beans/PropertyValue.hpp>
  61 #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
  62 #include <com/sun/star/xml/wrapper/XXMLDocumentWrapper.hpp>
  63 #include <com/sun/star/xml/crypto/XXMLEncryption.hpp>
  64 #include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
  65 #include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
  66 #include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
  67
  68
  69 using namespace ::rtl ;
  70 using namespace ::cppu ;
  71 using namespace ::com::sun::star::uno ;
  72 using namespace ::com::sun::star::io ;
  73 using namespace ::com::sun::star::ucb ;
  74 using namespace ::com::sun::star::beans ;
  75 using namespace ::com::sun::star::document ;
  76 using namespace ::com::sun::star::lang ;
  77 using namespace ::com::sun::star::registry ;
  78 using namespace ::com::sun::star::xml::wrapper ;
  79 using namespace ::com::sun::star::xml::crypto ;
  80
  81
  82 int SAL_CALL main( int argc, char **argv )
  83 {
  84     CERTCertDBHandle*   certHandle = NULL ;
  85     PK11SlotInfo*       slot = NULL ;
  86     xmlDocPtr           doc = NULL ;
  87     xmlNodePtr          tplNode ;
  88     xmlNodePtr          tarNode ;
  89     FILE*               dstFile = NULL ;
  90
  91
  92     if( argc != 5 ) {
  93         fprintf( stderr, "Usage: %s < CertDir > <input file_url> <output file_url> <rdb file>\n\n" , argv[0] ) ;
  94         return 1 ;
  95     }
  96
  97     //Init libxml and libxslt libraries
  98     xmlInitParser();
  99     LIBXML_TEST_VERSION
 100     xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
 101     xmlSubstituteEntitiesDefault(1);
 102
 103     #ifndef XMLSEC_NO_XSLT
 104     xmlIndentTreeOutput = 1;
 105     #endif // XMLSEC_NO_XSLT
 106
 107
 108     //Initialize NSPR and NSS
 109     PR_Init( PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1 ) ;
 110     PK11_SetPasswordFunc( PriPK11PasswordFunc ) ;
 111     if( NSS_Init( argv[1] ) != SECSuccess ) {
 112         fprintf( stderr , "### cannot intialize NSS!\n" ) ;
 113         goto done ;
 114     }
 115
 116     certHandle = CERT_GetDefaultCertDB() ;
 117     slot = PK11_GetInternalKeySlot() ;
 118
 119     //Load XML document
 120     doc = xmlParseFile( argv[2] ) ;
 121     if( doc == NULL || xmlDocGetRootElement( doc ) == NULL ) {
 122         fprintf( stderr , "### Cannot load template xml document!\n" ) ;
 123         goto done ;
 124     }
 125
 126     //Find the encryption template
 127     tplNode = xmlSecFindNode( xmlDocGetRootElement( doc ), xmlSecNodeEncryptedData, xmlSecEncNs ) ;
 128     if( tplNode == NULL ) {
 129         fprintf( stderr , "### Cannot find the encryption template!\n" ) ;
 130         goto done ;
 131     }
 132
 133
 134     try {
 135         Reference< XMultiComponentFactory > xManager = NULL ;
 136         Reference< XComponentContext > xContext = NULL ;
 137
 138         xManager = serviceManager( xContext , OUString::createFromAscii( "local" ), OUString::createFromAscii( argv[4] ) ) ;
 139
 140         //Create encryption template
 141         Reference< XInterface > tplElement =
 142             xManager->createInstanceWithContext( OUString::createFromAscii( "com.sun.star.xml.security.bridge.xmlsec.XMLElementWrapper_XmlSecImpl" ) , xContext ) ;
 143         OSL_ENSURE( tplElement.is() ,
 144             "Decryptor - "
 145             "Cannot get service instance of \"xsec.XMLElementWrapper\"" ) ;
 146
 147         Reference< XXMLElementWrapper > xTplElement( tplElement , UNO_QUERY ) ;
 148         OSL_ENSURE( xTplElement.is() ,
 149             "Decryptor - "
 150             "Cannot get interface of \"XXMLElementWrapper\" from service \"xsec.XMLElementWrapper\"" ) ;
 151
 152         Reference< XUnoTunnel > xTplEleTunnel( xTplElement , UNO_QUERY ) ;
 153         OSL_ENSURE( xTplEleTunnel.is() ,
 154             "Decryptor - "
 155             "Cannot get interface of \"XUnoTunnel\" from service \"xsec.XMLElementWrapper\"" ) ;
 156
 157         XMLElementWrapper_XmlSecImpl* pTplElement = ( XMLElementWrapper_XmlSecImpl* )xTplEleTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
 158         OSL_ENSURE( pTplElement != NULL ,
 159             "Decryptor - "
 160             "Cannot get implementation of \"xsec.XMLElementWrapper\"" ) ;
 161
 162         pTplElement->setNativeElement( tplNode ) ;
 163
 164         //Build XML Encryption template
 165         Reference< XInterface > enctpl =
 166             xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.crypto.XMLEncryptionTemplate"), xContext ) ;
 167         OSL_ENSURE( enctpl.is() ,
 168             "Decryptor - "
 169             "Cannot get service instance of \"xsec.XMLEncryptionTemplate\"" ) ;
 170
 171         Reference< XXMLEncryptionTemplate > xTemplate( enctpl , UNO_QUERY ) ;
 172         OSL_ENSURE( xTemplate.is() ,
 173             "Decryptor - "
 174             "Cannot get interface of \"XXMLEncryptionTemplate\" from service \"xsec.XMLEncryptionTemplate\"" ) ;
 175
 176         //Import the encryption template
 177         xTemplate->setTemplate( xTplElement ) ;
 178
 179         //Create security environment
 180         //Build Security Environment
 181         Reference< XInterface > xsecenv =
 182             xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.SecurityEnvironment_NssImpl"), xContext ) ;
 183         OSL_ENSURE( xsecenv.is() ,
 184             "Decryptor - "
 185             "Cannot get service instance of \"xsec.SecurityEnvironment\"" ) ;
 186
 187         Reference< XSecurityEnvironment > xSecEnv( xsecenv , UNO_QUERY ) ;
 188         OSL_ENSURE( xSecEnv.is() ,
 189             "Decryptor - "
 190             "Cannot get interface of \"XSecurityEnvironment\" from service \"xsec.SecurityEnvironment\"" ) ;
 191
 192         //Setup key slot and certDb
 193         Reference< XUnoTunnel > xEnvTunnel( xsecenv , UNO_QUERY ) ;
 194         OSL_ENSURE( xEnvTunnel.is() ,
 195             "Decryptor - "
 196             "Cannot get interface of \"XUnoTunnel\" from service \"xsec.SecurityEnvironment\"" ) ;
 197
 198         SecurityEnvironment_NssImpl* pSecEnv = ( SecurityEnvironment_NssImpl* )xEnvTunnel->getSomething( SecurityEnvironment_NssImpl::getUnoTunnelId() ) ;
 199         OSL_ENSURE( pSecEnv != NULL ,
 200             "Decryptor - "
 201             "Cannot get implementation of \"xsec.SecurityEnvironment\"" ) ;
 202
 203         pSecEnv->setCryptoSlot( slot ) ;
 204         pSecEnv->setCertDb( certHandle ) ;
 205
 206
 207         //Build XML Security Context
 208         Reference< XInterface > xmlsecctx =
 209             xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.XMLSecurityContext_NssImpl"), xContext ) ;
 210         OSL_ENSURE( xmlsecctx.is() ,
 211             "Decryptor - "
 212             "Cannot get service instance of \"xsec.XMLSecurityContext\"" ) ;
 213
 214         Reference< XXMLSecurityContext > xSecCtx( xmlsecctx , UNO_QUERY ) ;
 215         OSL_ENSURE( xSecCtx.is() ,
 216             "Decryptor - "
 217             "Cannot get interface of \"XXMLSecurityContext\" from service \"xsec.XMLSecurityContext\"" ) ;
 218
 219         xSecCtx->setSecurityEnvironment( xSecEnv ) ;
 220
 221
 222         //Get encrypter
 223         Reference< XInterface > xmlencrypter =
 224             xManager->createInstanceWithContext( OUString::createFromAscii("com.sun.star.xml.security.bridge.xmlsec.XMLEncryption_NssImpl"), xContext ) ;
 225         OSL_ENSURE( xmlencrypter.is() ,
 226             "Decryptor - "
 227             "Cannot get service instance of \"xsec.XMLEncryption\"" ) ;
 228
 229         Reference< XXMLEncryption > xEncrypter( xmlencrypter , UNO_QUERY ) ;
 230         OSL_ENSURE( xEncrypter.is() ,
 231             "Decryptor - "
 232             "Cannot get interface of \"XXMLEncryption\" from service \"xsec.XMLEncryption\"" ) ;
 233
 234
 235         //Perform decryption
 236         Reference< XXMLElementWrapper> xDecrRes = xEncrypter->decrypt( xTemplate , xSecCtx ) ;
 237         OSL_ENSURE( xDecrRes.is() ,
 238             "Decryptor - "
 239             "Cannot decrypt the xml document" ) ;
 240     } catch( Exception& e ) {
 241         fprintf( stderr , "Error Message: %s\n" , OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US ).getStr() ) ;
 242         goto done ;
 243     }
 244
 245     dstFile = fopen( argv[3], "w" ) ;
 246     if( dstFile == NULL ) {
 247         fprintf( stderr , "### Can not open file %s\n", argv[3] ) ;
 248         goto done ;
 249     }
 250
 251     //Save result
 252     xmlDocDump( dstFile, doc ) ;
 253
 254 done:
 255     if( dstFile != NULL )
 256         fclose( dstFile ) ;
 257
 258     if( slot != NULL )
 259         PK11_FreeSlot( slot ) ;
 260
 261     PK11_LogoutAll() ;
 262     NSS_Shutdown() ;
 263
 264     /* Shutdown libxslt/libxml */
 265     #ifndef XMLSEC_NO_XSLT
 266     xsltCleanupGlobals();
 267     #endif /* XMLSEC_NO_XSLT */
 268     xmlCleanupParser();
 269
 270     return 0;
 271 }
 272