SaraP
129 lines
5.0 KiB
C++
129 lines
5.0 KiB
C++
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/*++
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Copyright (C) 2019 3MF Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Abstract:
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NMR_ModelReaderNode_KeyStoreCipherValue.h defines the Model Reader Node class that is related to <xenc:CipherValue>.
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--*/
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#include "Model/Reader/SecureContent101/NMR_ModelReaderNode_KeyStoreCEKParams.h"
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#include "Model/Reader/SecureContent101/NMR_ModelReaderNode_KeyStoreCipherValue.h"
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#include "Model/Reader/NMR_ModelReaderNode_StringValue.h"
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#include "Model/Classes/NMR_ModelConstants.h"
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#include "Model/Classes/NMR_KeyStoreResourceData.h"
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#include "Model/Classes/NMR_KeyStoreAccessRight.h"
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#include "Model/Classes/NMR_KeyStoreFactory.h"
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#include "Common/NMR_Exception.h"
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#include "Common/NMR_Exception_Windows.h"
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#include "Common/NMR_StringUtils.h"
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#include "Libraries/cpp-base64/base64.h"
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namespace NMR {
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namespace ParserUtils {
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eKeyStoreEncryptAlgorithm parseEncryptionAlgorithm(std::string const & value) {
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if (XML_3MF_SECURE_CONTENT_ENCRYPTION_AES256 == value) {
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return eKeyStoreEncryptAlgorithm::AES256_GCM;
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}
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throw CNMRException(NMR_ERROR_KEYSTOREINVALIDALGORITHM);
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}
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}
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PKeyStoreCEKParams CModelReaderNode_KeyStoreCEKParams::getCEKParams()
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{
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return CKeyStoreFactory::makeCEKParams(m_bCompressed, m_eAlgorithm, m_aad, m_iv, m_tag);
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}
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void CModelReaderNode_KeyStoreCEKParams::parseXML(_In_ CXmlReader * pXMLReader)
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{
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// Parse name
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parseName(pXMLReader);
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// Parse attribute
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parseAttributes(pXMLReader);
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// Parse Content
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parseContent(pXMLReader);
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if (!m_bHasAlgorithm)
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m_pWarnings->addWarning(NMR_ERROR_KEYSTOREMISSINGALGORTHM, eModelWarningLevel::mrwMissingMandatoryValue);
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}
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void CModelReaderNode_KeyStoreCEKParams::OnAttribute(_In_z_ const nfChar * pAttributeName, _In_z_ const nfChar * pAttributeValue)
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{
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__NMRASSERT(pAttributeName);
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__NMRASSERT(pAttributeValue);
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if (strcmp(XML_3MF_SECURE_CONTENT_ENCRYPTION_ALGORITHM, pAttributeName) == 0) {
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try {
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m_bHasAlgorithm = true;
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m_eAlgorithm = ParserUtils::parseEncryptionAlgorithm(pAttributeValue);
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} catch (CNMRException const &) {
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m_eAlgorithm = eKeyStoreEncryptAlgorithm::AES256_GCM;
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m_pWarnings->addWarning(NMR_ERROR_KEYSTOREINVALIDALGORITHM, eModelWarningLevel::mrwInvalidMandatoryValue);
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}
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}
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else if (strcmp(XML_3MF_SECURE_CONTENT_COMPRESSION, pAttributeName) == 0) {
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if (strcmp(XML_3MF_SECURE_CONTENT_COMPRESSION_DEFLATE, pAttributeValue) == 0) {
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m_bCompressed = true;
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} else if (strcmp(XML_3MF_SECURE_CONTENT_COMPRESSION_NONE, pAttributeValue) == 0) {
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m_bCompressed = false;
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} else {
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m_pWarnings->addWarning(NMR_ERROR_KEYSTOREINVALIDCOMPRESSION, mrwInvalidOptionalValue);
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}
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}
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else
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m_pWarnings->addWarning(NMR_ERROR_NAMESPACE_INVALID_ATTRIBUTE, mrwInvalidOptionalValue);
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}
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void CModelReaderNode_KeyStoreCEKParams::OnNSChildElement(_In_z_ const nfChar * pChildName, _In_z_ const nfChar * pNameSpace, _In_ CXmlReader * pXMLReader)
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{
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__NMRASSERT(pChildName);
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__NMRASSERT(pXMLReader);
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__NMRASSERT(pNameSpace);
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if (strcmp(pNameSpace, XML_3MF_NAMESPACE_SECURECONTENTSPEC) == 0) {
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if (strcmp(pChildName, XML_3MF_SECURE_CONTENT_IV) == 0) {
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PModelReaderNode_StringValue pXMLNode = std::make_shared<CModelReaderNode_StringValue>(m_pWarnings);
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pXMLNode->parseXML(pXMLReader);
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m_iv = base64_decode(pXMLNode->getValue());
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} else if (strcmp(pChildName, XML_3MF_SECURE_CONTENT_TAG) == 0) {
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PModelReaderNode_StringValue pXMLNode = std::make_shared<CModelReaderNode_StringValue>(m_pWarnings);
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pXMLNode->parseXML(pXMLReader);
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m_tag = base64_decode(pXMLNode->getValue());
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} else if (strcmp(pChildName, XML_3MF_SECURE_CONTENT_AAD) == 0) {
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PModelReaderNode_StringValue pXMLNode = std::make_shared<CModelReaderNode_StringValue>(m_pWarnings);
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pXMLNode->parseXML(pXMLReader);
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m_aad = base64_decode(pXMLNode->getValue());
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} else {
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m_pWarnings->addWarning(NMR_ERROR_NAMESPACE_INVALID_ELEMENT, mrwInvalidOptionalValue);
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}
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}
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}
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}
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