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This commit is contained in:
ElenaSubbotina
2020-02-21 15:23:18 +03:00
parent 938d593fc4
commit d64bfc230a
3 changed files with 40 additions and 4 deletions
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12
OfficeCryptReader/Test/Test.cpp
View File

@ -43,8 +43,14 @@ int _tmain(int argc, _TCHAR* argv[])
//result = crypt_file.EncryptOfficeFile(srcFileName, dstFileName, password, L"123456789");
//result = crypt_file.DecryptOfficeFile(dstFileName, dstFileName2, password, bDataIntegrity);
std::wstring addit_name = NSFile::CFileBinary::CreateTempFileWithUniqueName(L"", L"asd");
std::string addit_info = "11111111111111111111111111111";
crypt_file.WriteAdditional(srcFileName, addit_name.substr(1), addit_info);
std::wstring addit_name = L"11111111111111111111111111111";
std::string addit_info = crypt_file.ReadAdditional(srcFileName, addit_name);
std::wstring temp = NSFile::CFileBinary::CreateTempFileWithUniqueName(L"", L"asd");
addit_info += std::string(temp.begin(), temp.end());
crypt_file.WriteAdditional(srcFileName, addit_name, addit_info);
return 0;
}

28
OfficeCryptReader/source/ECMACryptFile.cpp
View File

@ -977,6 +977,33 @@ bool ECMACryptFile::DecryptOfficeFile(const std::wstring &file_name_inp, const s
return result;
}
std::string ECMACryptFile::ReadAdditional(const std::wstring &file_name, const std::wstring &addit_name)
{
POLE::Storage *pStorage = new POLE::Storage(file_name.c_str());
if (!pStorage->open(false, false))
{
delete pStorage;
return "";
}
std::string result;
POLE::Stream *pStream = new POLE::Stream(pStorage, addit_name);
if ((pStream) && (pStream->size() > 0))
{
_UINT64 lengthData, size = pStream->size();
char* data = new char[size];
lengthData = pStream->read((unsigned char*)data, size);
result = std::string(data, lengthData);
delete []data;
delete pStream;
}
delete pStorage;
return result;
}
bool ECMACryptFile::WriteAdditional(const std::wstring &file_name, const std::wstring &addit_name, const std::string &addit_info)
{
POLE::Storage *pStorage = new POLE::Storage(file_name.c_str());
@ -992,6 +1019,7 @@ bool ECMACryptFile::WriteAdditional(const std::wstring &file_name, const std::ws
POLE::Stream *pStream = new POLE::Stream(pStorage, addit_name, true, addit_info.size());
pStream->write((unsigned char*)addit_info.c_str(), addit_info.size());
pStream->setSize(addit_info.size());
pStream->flush();
delete pStream;

4
OfficeCryptReader/source/ECMACryptFile.h
View File

@ -40,7 +40,9 @@ public:
bool DecryptOfficeFile(const std::wstring &file_name_inp, const std::wstring &file_name_out, const std::wstring &password, bool & bDataIntegrity);
bool EncryptOfficeFile(const std::wstring &file_name_inp, const std::wstring &file_name_out, const std::wstring &password, const std::wstring &documentID = L"");
std::string ReadAdditional(const std::wstring &file_name, const std::wstring &addit_name);
bool WriteAdditional(const std::wstring &file_name, const std::wstring &addit_name, const std::string &addit_info);
struct _refComponent
{
int type;
@ -51,5 +53,5 @@ public:
std::vector<_refComponent> refComponents;
std::wstring dataSpaceName;
};
std::vector<_mapEntry> mapEntries;
std::vector<_mapEntry> mapEntries;
};