xmlsecurity/source/framework/signatureverifierimpl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <framework/signatureverifierimpl.hxx>
  22 #include <com/sun/star/xml/crypto/XXMLSignatureTemplate.hpp>
  23 #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
  24 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  25 #include <comphelper/processfactory.hxx>
  26 #include <cppuhelper/supportsservice.hxx>
  27 #include <osl/diagnose.h>
  28
  29 namespace cssu = com::sun::star::uno;
  30 namespace cssl = com::sun::star::lang;
  31 namespace cssxc = com::sun::star::xml::crypto;
  32
  33 #define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.SignatureVerifierImpl"
  34
  35 SignatureVerifierImpl::SignatureVerifierImpl()
  36   : SignatureVerifierImpl_Base()
  37 {
  38 }
  39
  40 SignatureVerifierImpl::~SignatureVerifierImpl()
  41 {
  42 }
  43
  44 bool SignatureVerifierImpl::checkReady() const
  45 /****** SignatureVerifierImpl/checkReady *************************************
  46  *
  47  *   NAME
  48  *  checkReady -- checks the conditions for the signature verification.
  49  *
  50  *   SYNOPSIS
  51  *  bReady = checkReady( );
  52  *
  53  *   FUNCTION
  54  *  checks whether all following conditions are satisfied:
  55  *  1. the result listener is ready;
  56  *  2. the SignatureEngine is ready.
  57  *
  58  *   RESULT
  59  *  bReady - true if all conditions are satisfied, false otherwise
  60  ******************************************************************************/
  61 {
  62     return (m_xResultListener.is() && SignatureEngine::checkReady());
  63 }
  64
  65 void SignatureVerifierImpl::notifyResultListener() const
  66 /****** SignatureVerifierImpl/notifyResultListener ***************************
  67  *
  68  *   NAME
  69  *  notifyResultListener -- notifies the listener about the verify result.
  70  ******************************************************************************/
  71 {
  72     cssu::Reference< cssxc::sax::XSignatureVerifyResultListener >
  73         xSignatureVerifyResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
  74
  75     xSignatureVerifyResultListener->signatureVerified( m_nSecurityId, m_nStatus );
  76 }
  77
  78 void SignatureVerifierImpl::startEngine( const rtl::Reference<XMLSignatureTemplateImpl>& xSignatureTemplate)
  79 /****** SignatureVerifierImpl/startEngine ************************************
  80  *
  81  *   NAME
  82  *  startEngine -- verifies the signature.
  83  *
  84  *   INPUTS
  85  *  xSignatureTemplate - the signature template (along with all referenced
  86  *  elements) to be verified.
  87  ******************************************************************************/
  88 {
  89     cssu::Reference< cssxc::XXMLSignatureTemplate > xResultTemplate;
  90     try
  91     {
  92         xResultTemplate = m_xXMLSignature->validate(css::uno::Reference<css::xml::crypto::XXMLSignatureTemplate>(xSignatureTemplate.get()), m_xXMLSecurityContext);
  93         m_nStatus = xResultTemplate->getStatus();
  94     }
  95     catch( cssu::Exception& )
  96     {
  97         m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
  98     }
  99 }
 100
 101 /* XSignatureVerifyResultBroadcaster */
 102 void SAL_CALL SignatureVerifierImpl::addSignatureVerifyResultListener(
 103     const cssu::Reference< cssxc::sax::XSignatureVerifyResultListener >& listener )
 104 {
 105     m_xResultListener = listener;
 106     tryToPerform();
 107 }
 108
 109 void SAL_CALL SignatureVerifierImpl::removeSignatureVerifyResultListener(
 110     const cssu::Reference< cssxc::sax::XSignatureVerifyResultListener >&)
 111 {
 112 }
 113
 114 /* XInitialization */
 115 void SAL_CALL SignatureVerifierImpl::initialize(
 116     const cssu::Sequence< cssu::Any >& aArguments )
 117 {
 118     OSL_ASSERT(aArguments.getLength() == 5);
 119
 120     OUString ouTempString;
 121
 122     aArguments[0] >>= ouTempString;
 123     m_nSecurityId = ouTempString.toInt32();
 124     aArguments[1] >>= m_xSAXEventKeeper;
 125     aArguments[2] >>= ouTempString;
 126     m_nIdOfTemplateEC = ouTempString.toInt32();
 127     aArguments[3] >>= m_xXMLSecurityContext;
 128     aArguments[4] >>= m_xXMLSignature;
 129 }
 130
 131
 132 OUString SignatureVerifierImpl_getImplementationName ()
 133 {
 134     return OUString( IMPLEMENTATION_NAME );
 135 }
 136
 137 cssu::Sequence< OUString > SAL_CALL SignatureVerifierImpl_getSupportedServiceNames(  )
 138 {
 139     cssu::Sequence<OUString> aRet { "com.sun.star.xml.crypto.sax.SignatureVerifier" };
 140     return aRet;
 141 }
 142
 143 /* XServiceInfo */
 144 OUString SAL_CALL SignatureVerifierImpl::getImplementationName(  )
 145 {
 146     return SignatureVerifierImpl_getImplementationName();
 147 }
 148
 149 sal_Bool SAL_CALL SignatureVerifierImpl::supportsService( const OUString& rServiceName )
 150 {
 151     return cppu::supportsService(this, rServiceName);
 152 }
 153
 154 cssu::Sequence< OUString > SAL_CALL SignatureVerifierImpl::getSupportedServiceNames(  )
 155 {
 156     return SignatureVerifierImpl_getSupportedServiceNames();
 157 }
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */