/***********************************************************************
* URLDownloadToCacheFileW (URLMON.@)
*/
HRESULT WINAPI URLDownloadToCacheFileW(LPUNKNOWN lpUnkCaller, LPCWSTR szURL, LPWSTR szFileName,
DWORD dwBufLength, DWORD dwReserved, LPBINDSTATUSCALLBACK pBSC)
{
WCHAR cache_path[MAX_PATH + 1];
FILETIME expire, modified;
HRESULT hr;
LPWSTR ext;
static WCHAR header[] = {
'H','T','T','P','/','1','.','0',' ','2','0','0',' ',
'O','K','\\','r','\\','n','\\','r','\\','n',0
};
TRACE("(%p, %s, %p, %d, %d, %p)\n", lpUnkCaller, debugstr_w(szURL),
szFileName, dwBufLength, dwReserved, pBSC);
if (!szURL || !szFileName)
return E_INVALIDARG;
ext = PathFindExtensionW(szURL);
if (!CreateUrlCacheEntryW(szURL, 0, ext, cache_path, 0))
return E_FAIL;
hr = URLDownloadToFileW(lpUnkCaller, szURL, cache_path, 0, pBSC);
if (FAILED(hr))
return hr;
expire.dwHighDateTime = 0;
expire.dwLowDateTime = 0;
modified.dwHighDateTime = 0;
modified.dwLowDateTime = 0;
if (!CommitUrlCacheEntryW(szURL, cache_path, expire, modified, NORMAL_CACHE_ENTRY,
header, sizeof(header), NULL, NULL))
return E_FAIL;
if (strlenW(cache_path) > dwBufLength)
return E_OUTOFMEMORY;
lstrcpyW(szFileName, cache_path);
return S_OK;
}
HRESULT UMCreateStreamOnCacheFile(LPCWSTR pszURL,
DWORD dwSize,
LPWSTR pszFileName,
HANDLE *phfile,
IUMCacheStream **ppstr)
{
IUMCacheStream* ucstr;
HANDLE handle;
DWORD size;
LPWSTR url, c, ext = NULL;
HRESULT hr;
size = (strlenW(pszURL)+1)*sizeof(WCHAR);
url = heap_alloc(size);
memcpy(url, pszURL, size);
for (c = url; *c && *c != '#' && *c != '?'; ++c)
{
if (*c == '.')
ext = c+1;
else if(*c == '/')
ext = NULL;
}
*c = 0;
if(!CreateUrlCacheEntryW(url, dwSize, ext, pszFileName, 0))
hr = HRESULT_FROM_WIN32(GetLastError());
else
hr = S_OK;
heap_free(url);
if (hr != S_OK)
return hr;
TRACE("Opening %s\n", debugstr_w(pszFileName) );
handle = CreateFileW( pszFileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, (HANDLE)NULL );
if( handle == INVALID_HANDLE_VALUE )
return HRESULT_FROM_WIN32(GetLastError());
if (phfile)
{
/* Call CreateFileW again because we need a handle with its own file pointer, and DuplicateHandle will return
* a handle that shares its file pointer with the original.
*/
*phfile = CreateFileW( pszFileName, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, (HANDLE)NULL );
if (*phfile == (HANDLE) HFILE_ERROR)
{
DWORD dwError = GetLastError();
CloseHandle(handle);
return HRESULT_FROM_WIN32(dwError);
}
}
ucstr = heap_alloc_zero(sizeof(IUMCacheStream));
if(ucstr)
{
ucstr->pszURL = heap_alloc_zero(sizeof(WCHAR) * (lstrlenW(pszURL) + 1));
if (ucstr->pszURL)
{
ucstr->pszFileName = heap_alloc_zero(sizeof(WCHAR) * (lstrlenW(pszFileName) + 1));
if (ucstr->pszFileName)
{
ucstr->lpVtbl=&stvt;
ucstr->ref = 1;
ucstr->handle = handle;
ucstr->closed = 0;
lstrcpyW(ucstr->pszURL, pszURL);
lstrcpyW(ucstr->pszFileName, pszFileName);
*ppstr = ucstr;
return S_OK;
}
heap_free(ucstr->pszURL);
}
heap_free(ucstr);
}
CloseHandle(handle);
if (phfile)
CloseHandle(*phfile);
return E_OUTOFMEMORY;
}
