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// ArchiveOpenCallback.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Windows/FileName.h"
#include "../../../Windows/PropVariant.h"
#include "../../Common/FileStreams.h"
#include "ArchiveOpenCallback.h"
using namespace NWindows;
STDMETHODIMP COpenCallbackImp::SetTotal(const UInt64 *files, const UInt64 *bytes)
{
COM_TRY_BEGIN
if (ReOpenCallback)
return ReOpenCallback->SetTotal(files, bytes);
if (!Callback)
return S_OK;
return Callback->Open_SetTotal(files, bytes);
COM_TRY_END
}
STDMETHODIMP COpenCallbackImp::SetCompleted(const UInt64 *files, const UInt64 *bytes)
{
COM_TRY_BEGIN
if (ReOpenCallback)
return ReOpenCallback->SetCompleted(files, bytes);
if (!Callback)
return S_OK;
return Callback->Open_SetCompleted(files, bytes);
COM_TRY_END
}
STDMETHODIMP COpenCallbackImp::GetProperty(PROPID propID, PROPVARIANT *value)
{
COM_TRY_BEGIN
NCOM::CPropVariant prop;
if (_subArchiveMode)
switch (propID)
{
case kpidName: prop = _subArchiveName; break;
// case kpidSize: prop = _subArchiveSize; break; // we don't use it now
}
else
switch (propID)
{
case kpidName: prop = _fileInfo.Name; break;
case kpidIsDir: prop = _fileInfo.IsDir(); break;
case kpidSize: prop = _fileInfo.Size; break;
case kpidAttrib: prop = (UInt32)_fileInfo.Attrib; break;
case kpidCTime: prop = _fileInfo.CTime; break;
case kpidATime: prop = _fileInfo.ATime; break;
case kpidMTime: prop = _fileInfo.MTime; break;
}
prop.Detach(value);
return S_OK;
COM_TRY_END
}
struct CInFileStreamVol: public CInFileStream
{
int FileNameIndex;
COpenCallbackImp *OpenCallbackImp;
CMyComPtr<IArchiveOpenCallback> OpenCallbackRef;
~CInFileStreamVol()
{
if (OpenCallbackRef)
OpenCallbackImp->FileNames_WasUsed[FileNameIndex] = false;
}
};
// from ArchiveExtractCallback.cpp
bool IsSafePath(const UString &path);
STDMETHODIMP COpenCallbackImp::GetStream(const wchar_t *name, IInStream **inStream)
{
COM_TRY_BEGIN
*inStream = NULL;
if (_subArchiveMode)
return S_FALSE;
if (Callback)
{
RINOK(Callback->Open_CheckBreak());
}
UString name2 = name;
#ifndef _SFX
#ifdef _WIN32
name2.Replace(L'/', WCHAR_PATH_SEPARATOR);
#endif
// if (!allowAbsVolPaths)
if (!IsSafePath(name2))
return S_FALSE;
#endif
FString fullPath;
if (!NFile::NName::GetFullPath(_folderPrefix, us2fs(name2), fullPath))
return S_FALSE;
if (!_fileInfo.Find(fullPath))
return S_FALSE;
if (_fileInfo.IsDir())
return S_FALSE;
CInFileStreamVol *inFile = new CInFileStreamVol;
CMyComPtr<IInStream> inStreamTemp = inFile;
if (!inFile->Open(fullPath))
{
DWORD lastError = ::GetLastError();
if (lastError == 0)
return E_FAIL;
return HRESULT_FROM_WIN32(lastError);
}
FileSizes.Add(_fileInfo.Size);
FileNames.Add(name2);
inFile->FileNameIndex = FileNames_WasUsed.Add(true);
inFile->OpenCallbackImp = this;
inFile->OpenCallbackRef = this;
// TotalSize += _fileInfo.Size;
*inStream = inStreamTemp.Detach();
return S_OK;
COM_TRY_END
}
#ifndef _NO_CRYPTO
STDMETHODIMP COpenCallbackImp::CryptoGetTextPassword(BSTR *password)
{
COM_TRY_BEGIN
if (ReOpenCallback)
{
CMyComPtr<ICryptoGetTextPassword> getTextPassword;
ReOpenCallback.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
if (getTextPassword)
return getTextPassword->CryptoGetTextPassword(password);
}
if (!Callback)
return E_NOTIMPL;
PasswordWasAsked = true;
return Callback->Open_CryptoGetTextPassword(password);
COM_TRY_END
}
#endif