Sweden-Number/dlls/urlmon/umstream.c

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/*
* Based on ../shell32/memorystream.c
*
* Copyright 1999 Juergen Schmied
* Copyright 2003 Mike McCormack for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
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#include "urlmon_main.h"
#include "winreg.h"
#include "winternl.h"
#include "wininet.h"
#include "shlwapi.h"
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#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
static const IStreamVtbl stvt;
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 = 0;
heap_free(url);
if (hr)
return hr;
TRACE("Opening %s\n", debugstr_w(pszFileName) );
handle = CreateFileW( pszFileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, 0, 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, NULL );
if (*phfile == (HANDLE) HFILE_ERROR)
{
DWORD dwError = GetLastError();
CloseHandle(handle);
return HRESULT_FROM_WIN32(dwError);
}
}
ucstr = heap_alloc_zero(sizeof(IUMCacheStream));
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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;
}
void UMCloseCacheFileStream(IUMCacheStream *This)
{
if (!This->closed)
{
FILETIME ftZero;
ftZero.dwLowDateTime = ftZero.dwHighDateTime = 0;
This->closed = 1;
CommitUrlCacheEntryW(This->pszURL,
This->pszFileName,
ftZero,
ftZero,
NORMAL_CACHE_ENTRY,
0,
0,
0,
0);
}
}
/**************************************************************************
* IStream_fnQueryInterface
*/
static HRESULT WINAPI IStream_fnQueryInterface(IStream *iface,
REFIID riid,
LPVOID *ppvObj)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IStream))
{
*ppvObj = This;
}
if(*ppvObj)
{
IStream_AddRef((IStream*)*ppvObj);
TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE("-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
/**************************************************************************
* IStream_fnAddRef
*/
static ULONG WINAPI IStream_fnAddRef(IStream *iface)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(count=%u)\n", This, refCount - 1);
return refCount;
}
/**************************************************************************
* IStream_fnRelease
*/
static ULONG WINAPI IStream_fnRelease(IStream *iface)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(count=%u)\n", This, refCount + 1);
if (!refCount)
{
TRACE(" destroying UMCacheStream (%p)\n",This);
UMCloseCacheFileStream(This);
CloseHandle(This->handle);
heap_free(This->pszFileName);
heap_free(This->pszURL);
heap_free(This);
}
return refCount;
}
static HRESULT WINAPI IStream_fnRead (IStream * iface,
void* pv,
ULONG cb,
ULONG* pcbRead)
{
ULONG dwBytesRead;
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)->(%p,0x%08x,%p)\n",This, pv, cb, pcbRead);
if ( !pv )
return STG_E_INVALIDPOINTER;
if ( !pcbRead)
pcbRead = &dwBytesRead;
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if ( ! ReadFile( This->handle, pv, cb, pcbRead, NULL ) )
return S_FALSE;
if (!*pcbRead)
return This->closed ? S_FALSE : E_PENDING;
return S_OK;
}
static HRESULT WINAPI IStream_fnWrite (IStream * iface,
const void* pv,
ULONG cb,
ULONG* pcbWritten)
{
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnSeek (IStream * iface,
LARGE_INTEGER dlibMove,
DWORD dwOrigin,
ULARGE_INTEGER* plibNewPosition)
{
LARGE_INTEGER newpos;
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
if (!SetFilePointerEx( This->handle, dlibMove, &newpos, dwOrigin ))
return E_FAIL;
if (plibNewPosition)
plibNewPosition->QuadPart = newpos.QuadPart;
return S_OK;
}
static HRESULT WINAPI IStream_fnSetSize (IStream * iface,
ULARGE_INTEGER libNewSize)
{
LARGE_INTEGER newpos;
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
newpos.QuadPart = libNewSize.QuadPart;
if( ! SetFilePointerEx( This->handle, newpos, NULL, FILE_BEGIN ) )
return E_FAIL;
if( ! SetEndOfFile( This->handle ) )
return E_FAIL;
return S_OK;
}
static HRESULT WINAPI IStream_fnCopyTo (IStream * iface,
IStream* pstm,
ULARGE_INTEGER cb,
ULARGE_INTEGER* pcbRead,
ULARGE_INTEGER* pcbWritten)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnCommit (IStream * iface,
DWORD grfCommitFlags)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnRevert (IStream * iface)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnLockRegion (IStream * iface,
ULARGE_INTEGER libOffset,
ULARGE_INTEGER cb,
DWORD dwLockType)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnUnlockRegion (IStream * iface,
ULARGE_INTEGER libOffset,
ULARGE_INTEGER cb,
DWORD dwLockType)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnStat (IStream * iface,
STATSTG* pstatstg,
DWORD grfStatFlag)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI IStream_fnClone (IStream * iface,
IStream** ppstm)
{
IUMCacheStream *This = (IUMCacheStream *)iface;
TRACE("(%p)\n",This);
return E_NOTIMPL;
}
static const IStreamVtbl stvt =
{
IStream_fnQueryInterface,
IStream_fnAddRef,
IStream_fnRelease,
IStream_fnRead,
IStream_fnWrite,
IStream_fnSeek,
IStream_fnSetSize,
IStream_fnCopyTo,
IStream_fnCommit,
IStream_fnRevert,
IStream_fnLockRegion,
IStream_fnUnlockRegion,
IStream_fnStat,
IStream_fnClone
};
typedef struct ProxyBindStatusCallback
{
const IBindStatusCallbackVtbl *lpVtbl;
IBindStatusCallback *pBSC;
} ProxyBindStatusCallback;
static HRESULT WINAPI ProxyBindStatusCallback_QueryInterface(IBindStatusCallback *iface, REFIID riid, void **ppv)
{
if (IsEqualGUID(&IID_IBindStatusCallback, riid) ||
IsEqualGUID(&IID_IUnknown, riid))
{
*ppv = iface;
IUnknown_AddRef(iface);
return S_OK;
}
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI ProxyBindStatusCallback_AddRef(IBindStatusCallback *iface)
{
return 2;
}
static ULONG WINAPI ProxyBindStatusCallback_Release(IBindStatusCallback *iface)
{
return 1;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnStartBinding(IBindStatusCallback *iface, DWORD dwReserved,
IBinding *pib)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnStartBinding(This->pBSC, dwReserved, pib);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_GetPriority(This->pBSC, pnPriority);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnLowResource(This->pBSC, reserved);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnProgress(This->pBSC, ulProgress,
ulProgressMax, ulStatusCode,
szStatusText);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnStopBinding(IBindStatusCallback *iface, HRESULT hresult, LPCWSTR szError)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnStopBinding(This->pBSC, hresult, szError);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_GetBindInfo(IBindStatusCallback *iface, DWORD *grfBINDF, BINDINFO *pbindinfo)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_GetBindInfo(This->pBSC, grfBINDF, pbindinfo);
return E_INVALIDARG;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnDataAvailable(This->pBSC, grfBSCF, dwSize,
pformatetc, pstgmed);
return S_OK;
}
static HRESULT WINAPI ProxyBindStatusCallback_OnObjectAvailable(IBindStatusCallback *iface, REFIID riid, IUnknown *punk)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnObjectAvailable(This->pBSC, riid, punk);
return S_OK;
}
static HRESULT WINAPI BlockingBindStatusCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
{
return S_OK;
}
static const IBindStatusCallbackVtbl BlockingBindStatusCallbackVtbl =
{
ProxyBindStatusCallback_QueryInterface,
ProxyBindStatusCallback_AddRef,
ProxyBindStatusCallback_Release,
ProxyBindStatusCallback_OnStartBinding,
ProxyBindStatusCallback_GetPriority,
ProxyBindStatusCallback_OnLowResource,
ProxyBindStatusCallback_OnProgress,
ProxyBindStatusCallback_OnStopBinding,
ProxyBindStatusCallback_GetBindInfo,
BlockingBindStatusCallback_OnDataAvailable,
ProxyBindStatusCallback_OnObjectAvailable
};
static HRESULT WINAPI AsyncBindStatusCallback_GetBindInfo(IBindStatusCallback *iface, DWORD *grfBINDF, BINDINFO *pbindinfo)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
HRESULT hr = IBindStatusCallback_GetBindInfo(This->pBSC, grfBINDF, pbindinfo);
*grfBINDF |= BINDF_PULLDATA | BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE;
return hr;
}
static const IBindStatusCallbackVtbl AsyncBindStatusCallbackVtbl =
{
ProxyBindStatusCallback_QueryInterface,
ProxyBindStatusCallback_AddRef,
ProxyBindStatusCallback_Release,
ProxyBindStatusCallback_OnStartBinding,
ProxyBindStatusCallback_GetPriority,
ProxyBindStatusCallback_OnLowResource,
ProxyBindStatusCallback_OnProgress,
ProxyBindStatusCallback_OnStopBinding,
AsyncBindStatusCallback_GetBindInfo,
ProxyBindStatusCallback_OnDataAvailable,
ProxyBindStatusCallback_OnObjectAvailable
};
static HRESULT URLStartDownload(LPCWSTR szURL, LPSTREAM *ppStream, IBindStatusCallback *pBSC)
{
HRESULT hr;
IMoniker *pMoniker;
IBindCtx *pbc;
*ppStream = NULL;
hr = CreateURLMoniker(NULL, szURL, &pMoniker);
if (FAILED(hr))
return hr;
hr = CreateBindCtx(0, &pbc);
if (FAILED(hr))
{
IMoniker_Release(pMoniker);
return hr;
}
hr = RegisterBindStatusCallback(pbc, pBSC, NULL, 0);
if (FAILED(hr))
{
IBindCtx_Release(pbc);
IMoniker_Release(pMoniker);
return hr;
}
hr = IMoniker_BindToStorage(pMoniker, pbc, NULL, &IID_IStream, (void **)ppStream);
/* BindToStorage returning E_PENDING because it's asynchronous is not an error */
if (hr == E_PENDING) hr = S_OK;
IBindCtx_Release(pbc);
IMoniker_Release(pMoniker);
return hr;
}
/***********************************************************************
* URLOpenBlockingStreamA (URLMON.@)
*/
HRESULT WINAPI URLOpenBlockingStreamA(LPUNKNOWN pCaller, LPCSTR szURL,
LPSTREAM *ppStream, DWORD dwReserved,
LPBINDSTATUSCALLBACK lpfnCB)
{
LPWSTR szURLW;
int len;
HRESULT hr;
TRACE("(%p, %s, %p, 0x%x, %p)\n", pCaller, szURL, ppStream, dwReserved, lpfnCB);
if (!szURL || !ppStream)
return E_INVALIDARG;
len = MultiByteToWideChar(CP_ACP, 0, szURL, -1, NULL, 0);
szURLW = heap_alloc(len * sizeof(WCHAR));
if (!szURLW)
{
*ppStream = NULL;
return E_OUTOFMEMORY;
}
MultiByteToWideChar(CP_ACP, 0, szURL, -1, szURLW, len);
hr = URLOpenBlockingStreamW(pCaller, szURLW, ppStream, dwReserved, lpfnCB);
heap_free(szURLW);
return hr;
}
/***********************************************************************
* URLOpenBlockingStreamW (URLMON.@)
*/
HRESULT WINAPI URLOpenBlockingStreamW(LPUNKNOWN pCaller, LPCWSTR szURL,
LPSTREAM *ppStream, DWORD dwReserved,
LPBINDSTATUSCALLBACK lpfnCB)
{
ProxyBindStatusCallback blocking_bsc;
TRACE("(%p, %s, %p, 0x%x, %p)\n", pCaller, debugstr_w(szURL), ppStream,
dwReserved, lpfnCB);
if (!szURL || !ppStream)
return E_INVALIDARG;
blocking_bsc.lpVtbl = &BlockingBindStatusCallbackVtbl;
blocking_bsc.pBSC = lpfnCB;
return URLStartDownload(szURL, ppStream, (IBindStatusCallback *)&blocking_bsc);
}
/***********************************************************************
* URLOpenStreamA (URLMON.@)
*/
HRESULT WINAPI URLOpenStreamA(LPUNKNOWN pCaller, LPCSTR szURL, DWORD dwReserved,
LPBINDSTATUSCALLBACK lpfnCB)
{
LPWSTR szURLW;
int len;
HRESULT hr;
TRACE("(%p, %s, 0x%x, %p)\n", pCaller, szURL, dwReserved, lpfnCB);
if (!szURL)
return E_INVALIDARG;
len = MultiByteToWideChar(CP_ACP, 0, szURL, -1, NULL, 0);
szURLW = heap_alloc(len * sizeof(WCHAR));
if (!szURLW)
return E_OUTOFMEMORY;
MultiByteToWideChar(CP_ACP, 0, szURL, -1, szURLW, len);
hr = URLOpenStreamW(pCaller, szURLW, dwReserved, lpfnCB);
heap_free(szURLW);
return hr;
}
/***********************************************************************
* URLOpenStreamW (URLMON.@)
*/
HRESULT WINAPI URLOpenStreamW(LPUNKNOWN pCaller, LPCWSTR szURL, DWORD dwReserved,
LPBINDSTATUSCALLBACK lpfnCB)
{
HRESULT hr;
ProxyBindStatusCallback async_bsc;
IStream *pStream;
TRACE("(%p, %s, 0x%x, %p)\n", pCaller, debugstr_w(szURL), dwReserved,
lpfnCB);
if (!szURL)
return E_INVALIDARG;
async_bsc.lpVtbl = &AsyncBindStatusCallbackVtbl;
async_bsc.pBSC = lpfnCB;
hr = URLStartDownload(szURL, &pStream, (IBindStatusCallback *)&async_bsc);
if (SUCCEEDED(hr) && pStream)
IStream_Release(pStream);
return hr;
}