reactos/dll/shellext/zipfldr/CZipExtract.cpp

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/*
* PROJECT: ReactOS Zip Shell Extension
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: Zip extraction
* COPYRIGHT: Copyright 2017-2019 Mark Jansen (mark.jansen@reactos.org)
*/
#include "precomp.h"
class CZipExtract :
public IZip
{
CStringW m_Filename;
CStringW m_Directory;
CStringA m_Password;
bool m_DirectoryChanged;
unzFile uf;
public:
CZipExtract(PCWSTR Filename)
:m_DirectoryChanged(false)
,uf(NULL)
{
m_Filename = Filename;
m_Directory = m_Filename;
PWSTR Dir = m_Directory.GetBuffer();
PathRemoveExtensionW(Dir);
m_Directory.ReleaseBuffer();
}
~CZipExtract()
{
if (uf)
{
DPRINT1("WARNING: uf not closed!\n");
Close();
}
}
void Close()
{
if (uf)
unzClose(uf);
uf = NULL;
}
// *** IZip methods ***
STDMETHODIMP QueryInterface(REFIID riid, void **ppvObject)
{
if (riid == IID_IUnknown)
{
*ppvObject = this;
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) AddRef(void)
{
return 2;
}
STDMETHODIMP_(ULONG) Release(void)
{
return 1;
}
STDMETHODIMP_(unzFile) getZip()
{
return uf;
}
class CExtractSettingsPage : public CPropertyPageImpl<CExtractSettingsPage>
{
private:
CZipExtract* m_pExtract;
CStringA* m_pPassword;
public:
CExtractSettingsPage(CZipExtract* extract, CStringA* password)
:CPropertyPageImpl<CExtractSettingsPage>(MAKEINTRESOURCE(IDS_WIZ_TITLE))
,m_pExtract(extract)
,m_pPassword(password)
{
m_psp.pszHeaderTitle = MAKEINTRESOURCE(IDS_WIZ_DEST_TITLE);
m_psp.pszHeaderSubTitle = MAKEINTRESOURCE(IDS_WIZ_DEST_SUBTITLE);
m_psp.dwFlags |= PSP_USETITLE | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE;
}
int OnSetActive()
{
SetDlgItemTextW(IDC_DIRECTORY, m_pExtract->m_Directory);
m_pExtract->m_DirectoryChanged = false;
GetParent().CenterWindow(::GetDesktopWindow());
SetWizardButtons(PSWIZB_NEXT);
return 0;
}
int OnWizardNext()
{
::EnableWindow(GetDlgItem(IDC_BROWSE), FALSE);
::EnableWindow(GetDlgItem(IDC_DIRECTORY), FALSE);
::EnableWindow(GetDlgItem(IDC_PASSWORD), FALSE);
SetWizardButtons(0);
if (m_pExtract->m_DirectoryChanged)
UpdateDirectory();
if (!m_pExtract->Extract(m_hWnd, GetDlgItem(IDC_PROGRESS)))
{
/* Extraction failed, do not go to the next page */
SetWindowLongPtr(DWLP_MSGRESULT, -1);
::EnableWindow(GetDlgItem(IDC_BROWSE), TRUE);
::EnableWindow(GetDlgItem(IDC_DIRECTORY), TRUE);
::EnableWindow(GetDlgItem(IDC_PASSWORD), TRUE);
SetWizardButtons(PSWIZB_NEXT);
return TRUE;
}
return 0;
}
struct browse_info
{
HWND hWnd;
LPCWSTR Directory;
};
static INT CALLBACK s_BrowseCallbackProc(HWND hWnd, UINT uMsg, LPARAM lp, LPARAM pData)
{
if (uMsg == BFFM_INITIALIZED)
{
browse_info* info = (browse_info*)pData;
CWindow dlg(hWnd);
dlg.SendMessage(BFFM_SETSELECTION, TRUE, (LPARAM)info->Directory);
dlg.CenterWindow(info->hWnd);
}
return 0;
}
LRESULT OnBrowse(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
BROWSEINFOW bi = { m_hWnd };
WCHAR path[MAX_PATH];
bi.pszDisplayName = path;
bi.lpfn = s_BrowseCallbackProc;
bi.ulFlags = BIF_NEWDIALOGSTYLE | BIF_RETURNFSANCESTORS | BIF_RETURNONLYFSDIRS;
CStringW title(MAKEINTRESOURCEW(IDS_WIZ_BROWSE_TITLE));
bi.lpszTitle = title;
if (m_pExtract->m_DirectoryChanged)
UpdateDirectory();
browse_info info = { m_hWnd, m_pExtract->m_Directory.GetString() };
bi.lParam = (LPARAM)&info;
CComHeapPtr<ITEMIDLIST> pidl;
pidl.Attach(SHBrowseForFolderW(&bi));
WCHAR tmpPath[MAX_PATH];
if (pidl && SHGetPathFromIDListW(pidl, tmpPath))
{
m_pExtract->m_Directory = tmpPath;
SetDlgItemTextW(IDC_DIRECTORY, m_pExtract->m_Directory);
m_pExtract->m_DirectoryChanged = false;
}
return 0;
}
LRESULT OnEnChangeDirectory(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
m_pExtract->m_DirectoryChanged = true;
return 0;
}
LRESULT OnPassword(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
CStringA Password;
if (_CZipAskPassword(m_hWnd, NULL, Password) == eAccept)
{
*m_pPassword = Password;
}
return 0;
}
void UpdateDirectory()
{
GetDlgItemText(IDC_DIRECTORY, m_pExtract->m_Directory);
m_pExtract->m_DirectoryChanged = false;
}
public:
2018-04-08 15:31:29 +00:00
enum { IDD = IDD_PROPPAGEDESTINATION };
BEGIN_MSG_MAP(CCompleteSettingsPage)
COMMAND_ID_HANDLER(IDC_BROWSE, OnBrowse)
COMMAND_ID_HANDLER(IDC_PASSWORD, OnPassword)
COMMAND_HANDLER(IDC_DIRECTORY, EN_CHANGE, OnEnChangeDirectory)
CHAIN_MSG_MAP(CPropertyPageImpl<CExtractSettingsPage>)
END_MSG_MAP()
};
class CCompleteSettingsPage : public CPropertyPageImpl<CCompleteSettingsPage>
{
private:
CZipExtract* m_pExtract;
public:
CCompleteSettingsPage(CZipExtract* extract)
:CPropertyPageImpl<CCompleteSettingsPage>(MAKEINTRESOURCE(IDS_WIZ_TITLE))
, m_pExtract(extract)
{
m_psp.pszHeaderTitle = MAKEINTRESOURCE(IDS_WIZ_COMPL_TITLE);
m_psp.pszHeaderSubTitle = MAKEINTRESOURCE(IDS_WIZ_COMPL_SUBTITLE);
m_psp.dwFlags |= PSP_USETITLE | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE;
}
int OnSetActive()
{
SetWizardButtons(PSWIZB_FINISH);
CStringW Path = m_pExtract->m_Directory;
PWSTR Ptr = Path.GetBuffer();
RECT rc;
::GetWindowRect(GetDlgItem(IDC_DESTDIR), &rc);
HDC dc = GetDC();
PathCompactPathW(dc, Ptr, rc.right - rc.left);
ReleaseDC(dc);
Path.ReleaseBuffer();
SetDlgItemTextW(IDC_DESTDIR, Path);
CheckDlgButton(IDC_SHOW_EXTRACTED, BST_CHECKED);
return 0;
}
BOOL OnWizardFinish()
{
if (IsDlgButtonChecked(IDC_SHOW_EXTRACTED) == BST_CHECKED)
{
ShellExecuteW(NULL, L"explore", m_pExtract->m_Directory, NULL, NULL, SW_SHOW);
}
return FALSE;
}
public:
enum { IDD = IDD_PROPPAGECOMPLETE };
BEGIN_MSG_MAP(CCompleteSettingsPage)
CHAIN_MSG_MAP(CPropertyPageImpl<CCompleteSettingsPage>)
END_MSG_MAP()
};
void runWizard()
{
PROPSHEETHEADERW psh = { sizeof(psh), 0 };
psh.dwFlags = PSH_WIZARD97 | PSH_HEADER;
psh.hInstance = _AtlBaseModule.GetResourceInstance();
CExtractSettingsPage extractPage(this, &m_Password);
CCompleteSettingsPage completePage(this);
HPROPSHEETPAGE hpsp[] =
{
extractPage.Create(),
completePage.Create()
};
psh.phpage = hpsp;
psh.nPages = _countof(hpsp);
PropertySheetW(&psh);
}
bool Extract(HWND hDlg, HWND hProgress)
{
unz_global_info64 gi;
uf = unzOpen2_64(m_Filename.GetString(), &g_FFunc);
int err = unzGetGlobalInfo64(uf, &gi);
if (err != UNZ_OK)
{
DPRINT1("ERROR, unzGetGlobalInfo64: 0x%x\n", err);
Close();
return false;
}
CZipEnumerator zipEnum;
if (!zipEnum.initialize(this))
{
DPRINT1("ERROR, zipEnum.initialize\n");
Close();
return false;
}
CWindow Progress(hProgress);
Progress.SendMessage(PBM_SETRANGE32, 0, gi.number_entry);
Progress.SendMessage(PBM_SETPOS, 0, 0);
BYTE Buffer[2048];
CStringA BaseDirectory = m_Directory;
CStringA Name;
CStringA Password = m_Password;
unz_file_info64 Info;
int CurrentFile = 0;
bool bOverwriteAll = false;
while (zipEnum.next(Name, Info))
{
bool is_dir = Name.GetLength() > 0 && Name[Name.GetLength()-1] == '/';
char CombinedPath[MAX_PATH * 2] = { 0 };
PathCombineA(CombinedPath, BaseDirectory, Name);
CStringA FullPath = CombinedPath;
FullPath.Replace('/', '\\'); /* SHPathPrepareForWriteA does not handle '/' */
DWORD dwFlags = SHPPFW_DIRCREATE | (is_dir ? SHPPFW_NONE : SHPPFW_IGNOREFILENAME);
HRESULT hr = SHPathPrepareForWriteA(hDlg, NULL, FullPath, dwFlags);
if (FAILED_UNEXPECTEDLY(hr))
{
Close();
return false;
}
CurrentFile++;
if (is_dir)
continue;
if (Info.flag & MINIZIP_PASSWORD_FLAG)
{
eZipPasswordResponse Response = eAccept;
do
{
/* If there is a password set, try it */
if (!Password.IsEmpty())
{
err = unzOpenCurrentFilePassword(uf, Password);
if (err == UNZ_OK)
{
/* Try to read some bytes, because unzOpenCurrentFilePassword does not return failure */
char Buf[10];
err = unzReadCurrentFile(uf, Buf, sizeof(Buf));
unzCloseCurrentFile(uf);
if (err >= UNZ_OK)
{
/* 're'-open the file so that we can begin to extract */
err = unzOpenCurrentFilePassword(uf, Password);
break;
}
}
}
Response = _CZipAskPassword(hDlg, Name, Password);
} while (Response == eAccept);
if (Response == eSkip)
{
Progress.SendMessage(PBM_SETPOS, CurrentFile, 0);
continue;
}
else if (Response == eAbort)
{
Close();
return false;
}
}
else
{
err = unzOpenCurrentFile(uf);
}
if (err != UNZ_OK)
{
DPRINT1("ERROR, unzOpenCurrentFilePassword: 0x%x\n", err);
Close();
return false;
}
HANDLE hFile = CreateFileA(FullPath, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
DWORD dwErr = GetLastError();
if (dwErr == ERROR_FILE_EXISTS)
{
bool bOverwrite = bOverwriteAll;
if (!bOverwriteAll)
{
eZipConfirmResponse Result = _CZipAskReplace(hDlg, FullPath);
switch (Result)
{
case eYesToAll:
bOverwriteAll = true;
case eYes:
bOverwrite = true;
break;
case eNo:
break;
case eCancel:
unzCloseCurrentFile(uf);
Close();
return false;
}
}
if (bOverwrite)
{
hFile = CreateFileA(FullPath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
dwErr = GetLastError();
}
}
else
{
unzCloseCurrentFile(uf);
continue;
}
}
if (hFile == INVALID_HANDLE_VALUE)
{
unzCloseCurrentFile(uf);
DPRINT1("ERROR, CreateFileA: 0x%x (%s)\n", dwErr, bOverwriteAll ? "Y" : "N");
Close();
return false;
}
}
do
{
err = unzReadCurrentFile(uf, Buffer, sizeof(Buffer));
if (err < 0)
{
DPRINT1("ERROR, unzReadCurrentFile: 0x%x\n", err);
break;
}
else if (err > 0)
{
DWORD dwWritten;
if (!WriteFile(hFile, Buffer, err, &dwWritten, NULL))
{
DPRINT1("ERROR, WriteFile: 0x%x\n", GetLastError());
break;
}
if (dwWritten != (DWORD)err)
{
DPRINT1("ERROR, WriteFile: dwWritten:%d err:%d\n", dwWritten, err);
break;
}
}
} while (err > 0);
/* Update Filetime */
FILETIME LastAccessTime;
GetFileTime(hFile, NULL, &LastAccessTime, NULL);
FILETIME LocalFileTime;
DosDateTimeToFileTime((WORD)(Info.dosDate >> 16), (WORD)Info.dosDate, &LocalFileTime);
FILETIME FileTime;
LocalFileTimeToFileTime(&LocalFileTime, &FileTime);
SetFileTime(hFile, &FileTime, &LastAccessTime, &FileTime);
/* Done.. */
CloseHandle(hFile);
if (err)
{
unzCloseCurrentFile(uf);
DPRINT1("ERROR, unzReadCurrentFile2: 0x%x\n", err);
Close();
return false;
}
else
{
err = unzCloseCurrentFile(uf);
if (err != UNZ_OK)
{
DPRINT1("ERROR(non-fatal), unzCloseCurrentFile: 0x%x\n", err);
}
}
Progress.SendMessage(PBM_SETPOS, CurrentFile, 0);
}
Close();
return true;
}
};
void _CZipExtract_runWizard(PCWSTR Filename)
{
CZipExtract extractor(Filename);
extractor.runWizard();
}