628 lines
18 KiB
C++
628 lines
18 KiB
C++
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// BSCB.cpp -- Implementation for the CBindStatusCallBack class
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#include "stdafx.h"
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HRESULT STDMETHODCALLTYPE CBindStatusCallBack::CreateHook(IBindCtx pBC, IMoniker pMK)
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{
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CBindStatusCallBack *pBSCB = New CBindStatusCallBack(NULL);
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IBindStatusCallback *pCallBack = NULL;
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HRESULT hr = FinishSetup(pBSCB? pBSCB->m_Implementation.Init(pBC, pMK)
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: STG_E_INSUFFICIENTMEMORY,
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pBSCB, IID_IBindStatusCallback, (PPVOID) &pCallBack
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);
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if (pCallBack) pCallBack->Release();
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}
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CBindStatusCallBack::Implementation::Implementation
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(CBindStatusCallBack *pBackObj, IUnknown *punkOuter)
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: ITBindStatusCallback(pBackObj, punkOuter)
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{
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m_pBCHooked = NULL;
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m_pBSCBClient = NULL;
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m_pStream = NULL;
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m_grfBINDF = 0;
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m_awcsFile[0] = 0;
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m_fTempFile = FALSE;
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m_bindinfo.cbSize = sizeof(BINDINFO);
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}
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CBindStatusCallBack::Implementation::~Implementation()
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{
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if (m_pStream) m_pStream->Release();
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if (m_fTempFile)
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{
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RonM_ASSERT(m_awcsFile[0]);
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UINT cwc = wcsLen(m_awcsFile) + 1;
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UINT cb = cwc * sizeof(WCHAR);
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char *pszFile = PCHAR(_alloca(cb));
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RonM_ASSERT(pszFile);
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if (pchr)
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{
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UINT c = WideCharToMultiByte(GetACP(), WC_COMPOSITECHECK, m_awcsFile, cwc,
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pszFile, cb, NULL, NULL
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);
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RonM_ASSERT(c);
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if (c) DeleteFile(pszFile);
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}
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}
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if (m_pBC)
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RevokeBindStatusCallback(m_pBC, this);
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if (m_pBSCBClient) m_pBSCBClient->Release();
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}
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HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::Init(IBindCtx pBC, IMoniker pMK)
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{
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RonM_ASSERT(pBC);
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RonM_ASSERT(pMK);
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if (!SUCCEEDED(hr)) return hr;
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HRESULT hr = pMK->BindToStorage(pBC, NULL, IID_IStream, (PPVOID) &pStrm1);
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if (!SUCCEEDED(hr)) return hr;
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IUnknown *pUnk = NULL;
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hr = pBC->GetObjectParam(L"_BSCB_HOLDER_", &pUnk);
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if (!SUCCEEDED(hr)) return hr;
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hr = pUnk->QueryInterface(IID_IBindStatusCallback, &m_pBSCBClient);
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pUnk->Release();
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if (!SUCCEEDED(hr)) return hr;
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hr = RegisterBindStatusCallback(pBC, this, &m_pBSCBClient, 0);
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if (!SUCCEEDED(hr)) return hr;
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m_pBC = pBC;
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m_pBC->AddRef();
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RonM_ASSERT(statstg.cbSize.HighPart == 0);
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m_pBSCBClient->GetBindInfo(&m_grfBINDF, &m_bindinfo);
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if (!SUCCEEDED(hr)) return hr;
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IStream *pStrmITS = NULL;
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hr = GetStreamFromMoniker(pBC, pMK, m_grfBINDF, m_awcsFile, &m_pStream);
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if (hr == S_FALSE) m_fTempFile = TRUE;
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if (!SUCCEEDED(hr)) return hr;
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STATSTG statstg;
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hr = m_pStream->Stat(&statstg, STATFLAG_NONAME);
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if (!SUCCEEDED(hr)) return hr;
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hr = m_pBSCBClient->OnProgress(0, statstg.cbSize.LowPart,
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BINDSTATUS_SENDINGREQUEST, L""
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);
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if (!SUCCEEDED(hr)) return hr;
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hr = m_pBSCBClient->OnProgress(0, statstg.cbSize.LowPart,
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BINDSTATUS_BEGINDOWNLOADDATA, L""
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);
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if (!SUCCEEDED(hr)) return hr;
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if (m_awcsFile[0])
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{
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hr = m_pBSCBClient->OnProgress(0, statstg.cbSize.LowPart,
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BINDSTATUS_CACHEFILENAMEAVAILABLE, m_awcsFile
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);
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if (!SUCCEEDED(hr)) return hr;
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}
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hr = m_pBSCBClient->OnProgress(0, statstg.cbSize.LowPart,
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BINDSTATUS_DOWNLOADINGDATA, L""
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);
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if (!SUCCEEDED(hr)) return hr;
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hr = m_pBSCBClient->OnProgress(statstg.cbSize.LowPart, statstg.cbSize.LowPart,
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ENDDOWNLOADDATA, L""
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);
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if (!SUCCEEDED(hr)) return hr;
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FORMATETC fmetc;
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STGMEDIUM stgmed;
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hr = m_pBSCBClient->OnDataAvailable(BSCF_FIRSTDATANOTIFICATION | BSCF_LASTDATANOTIFICATION
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| BSCF_DATAFULLYAVAILABLE,
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statstg.cbSize.LowPart,
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FORMATETC *pfmtetc,
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STGMEDIUM *pstgmed
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);
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return hr;
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}
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HRESULT STDMETHODCALLTYPE CopyStreamToFile(IStream *ppStreamSrc, const WCHAR *pwcsFilePath)
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{
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IStream *pStream;
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IStream *pStreamSrc = *ppStreamSrc;
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IFSStorage *pFSS = NULL;
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HRESULT hr = CFileSystemStorage::Create(NULL, IID_IFSStorage, (VOID **) &pFSS);
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if (!SUCCEEDED(hr)) return hr;
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hr = pFSS->FSOpenStream((const WCHAR *) pwcsFilePath,
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STGM_READWRITE | STGM_SHARE_DENY_NONE,
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&pStream
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);
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pFSS->Release();
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if (!SUCCEEDED(hr)) return hr;
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RonM_ASSERT(pStreamSrc);
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STATSTG statstg;
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hr = pStreamSrc->Stat(&statstg, STATFLAG_NONAME);
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if (!SUCCEEDED(hr)) return hr;
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#ifdef _DEBUG
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hr =
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#endif // _DEBUG
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pStreamSrc->Seek(CLINT(0).Li(), STREAM_SEEK_SET, NULL);
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RonM_ASSERT(hr == S_OK);
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hr = pStreamSrc->CopyTo(pStream, statstg.cbSize, NULL, NULL);
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pStream->Release();
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if (!SUCCEEDED(hr)) return hr;
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#ifdef _DEBUG
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hr =
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#endif // _DEBUG
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pStream->Seek(CLINT(0).Li(), STREAM_SEEK_SET, NULL);
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#ifdef _DEBUG
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hr =
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#endif // _DEBUG
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pStreamSrc->Seek(CLINT(0).Li(), STREAM_SEEK_SET, NULL);
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RonM_ASSERT(hr == S_OK);
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*ppStreamSrc->Release();
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*ppStreamSrc = pStream;
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return hr;
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}
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HRESULT STDMETHODCALLTYPE GetStreamFromMoniker
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(IBindCtx *pBC, IMoniker *pMK, DWORD grfBINDF, PSZ pwcsFile, IStream **ppStrm)
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{
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BOOL fNoFile = m_grfBINDF & (BINDF_PULLDATA | BINDF_DIRECT_READ);
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BOOL fNoReadCache = m_grfBINDF & (BINDF_GETNEWESTVERSION | BINDF_NOWRITECACHE
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| BINDF_PULLDATA
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| BINDF_PRAGMA_NO_CACHE
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| BINDF_DIRECT_READ
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);
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BOOL fNoWriteCache = m_grfBINDF & (BINDF_NOWRITECACHE | BINDF_PULLDATA
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| BINDF_PRAGMA_NO_CACHE
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| BINDF_DIRECT_READ
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);
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BOOL fTempFile = FALSE;
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WCHAR *pwcsDisplayName = NULL;
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char *pcsDisplayName = NULL;
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WCHAR *pwcsExtension = NULL;
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WCHAR *pwcsName = NULL;
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IStream *pStrmITS = NULL;
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HRESULT hr = pMK->GetDisplayName(pBCtx, NULL, &pwcsDisplayName);
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if (!SUCCEEDED(hr)) return hr;
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UINT cwc = wcsLen(pwcsDisplayName);
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UINT cb = sizeof(WCHAR) * (cwc + 1);
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*pcsDisplayName = PCHAR(_alloca(cb));
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if (!pcsDisplayName)
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{
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hr = E_OUTOFMEMORY;
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goto exit_GetStreamFromMoniker;
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}
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cb = WideCharToMultiByte(GetACP(), WC_COMPOSITECHECK, pwcsDisplayName, cwc + 1,
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pcsDisplayName, cb, NULL, NULL
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);
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if (!cb)
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{
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hr = INET_E_DOWNLOAD_FAILURE;
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goto exit_GetStreamFromMoniker;
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}
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{
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UINT cwc = wcsLen(pwcsURL);
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WCHAR *pwc = pwcsURL + cwc;
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for (;;)
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{
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WCHAR wc = *--pwc;
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if (wc == L'.')
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pwcsExtension = pwc + 1;
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if (wc == L':' || wc == L'/' || wc == L'\\')
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{
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pwcsName = ++pwc;
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break;
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}
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RonM_ASSERT(--cwc);
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}
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}
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hr = pMK->BindToStorage(pBC, NULL, IID_IStream, (VOID **) &pStrmITS);
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if (!SUCCEEDED(hr)) goto exit_GetStreamFromMoniker;
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STATSTG statstg;
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hr = pStrmITS->Stat(&statstg, STATFLAG_NONAME);
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if (!SUCCEEDED(hr)) goto exit_GetStreamFromMoniker;
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FILETIME ftLastModified;
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ftLastModified.dwLowDateTime = 0;
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ftLastModified.dwHighDateTime = 0;
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// pMK->GetTimeOfLastChange(pBCtx, NULL, &ftLastModified);
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RonM_ASSERT(statstg.cbSize.HighPart == 0);
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*pszFile = 0; // In case we don't get the stream into a file.
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if (!fNoFile)
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{
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CHAR acsFilePath[MAX_PATH];
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WCHAR awcsFilePath[MAX_PATH];
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char szTempPath[MAX_PATH];
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szTempPath[0] = 0;
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PCHAR pcsExtension = "";
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if (pwcsExtension && pwcsExtension[1])
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{
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UINT cwc = wcsLen(pwcsExtension);
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UINT cb = sizeof(WCHAR) * (cwc + 1);
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pcsExtension = PCHAR(_alloca(cb));
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if (!pcsExtension)
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{
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hr = E_OUTOFMEMORY;
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goto exit_GetStreamFromMoniker;
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}
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cb = WideCharToMultiByte(GetACP(), WC_COMPOSITECHECK, pwcsExtension, cwc + 1,
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pcsExtension, cb, NULL, NULL
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);
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if (!cb)
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{
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hr = INET_E_DOWNLOAD_FAILURE;
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goto exit_GetStreamFromMoniker;
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}
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}
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if (fNoWriteCache)
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{
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DWORD cbPath= GetTempPath(MAX_PATH, szTempPath);
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if (!cbPath)
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lstrcpyA(szTempPath, ".\\");
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char szPrefix[4] = "IMT"; // BugBug! May need to make this a random string.
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char szFullPath[MAX_PATH];
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if (!GetTempFileName(szTempPath, szPrefix, 0, szFullPath))
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{
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hr = CFSLockBytes::CImpILockBytes::STGErrorFromFSError(GetLastError());
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szTempPath[0] = 0;
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goto exit_GetStreamFromMoniker;
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}
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lstrcpyA(szTempPath, szFullPath);
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char *pch = szTempPath + lstrlenA(szTempPath);
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for (;;)
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{
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if (pch == szTempPath)
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{
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RonM_ASSERT(FALSE);
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hr = E_UNEXPECTED;
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DeleteFile(szTempPath);
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szTempPath[0] = 0;
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goto exit_GetStreamFromMoniker;
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}
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if ('.' == *--pch)
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{
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++pch;
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break;
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}
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}
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UINT cbExtension = lstrlenA(pcsExtension);
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if (pch + cbExtension - szTempPath >= MAX_PATH)
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{
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hr = E_UNEXPECTED;
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|
DeleteFile(szTempPath);
|
||
|
|
szTempPath[0] = 0;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
CopyMemory(pch, pcsExtension, cbExtension + 1);
|
||
|
|
|
||
|
|
if (!MoveFileEx(szFullPath, szTempPath, MOVEFILE_REPLACE_EXISTING))
|
||
|
|
{
|
||
|
|
hr = E_UNEXPECTED;
|
||
|
|
|
||
|
|
DeleteFile(szFullPath);
|
||
|
|
szTempPath[0] = 0;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
UINT cwc = MultiByteToWideChar(GetACP(), MB_PRECOMPOSED, szTempPath,
|
||
|
|
1 + lstrlenA(szTempPath), awcsFilePath, MAX_PATH
|
||
|
|
);
|
||
|
|
|
||
|
|
if (cwc)
|
||
|
|
hr = CopyStreamToFile(&pStrmITS, (const WCHAR *)awcsFilePath);
|
||
|
|
else hr = E_UNEXPECTED;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
fTempFile = TRUE;
|
||
|
|
CopyMemory(pwcsFile, awcsFilePath, cwc * sizeof(WCHAR));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DeleteFile(szTempPath);
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
DWORD dwCEISize = 0;
|
||
|
|
|
||
|
|
BOOL fResult = RetrieveUrlCacheEntryFile(pcsDisplayName, NULL, &dwCEISize, 0);
|
||
|
|
|
||
|
|
RonM_ASSERT(!fResult);
|
||
|
|
|
||
|
|
ULONG ulErr= GetLastError();
|
||
|
|
|
||
|
|
if (ulErr == ERROR_INSUFFICIENT_BUFFER)
|
||
|
|
{
|
||
|
|
INTERNET_CACHE_ENTRY_INFOA *pCEI = (INTERNET_CACHE_ENTRY_INFOA *) _alloca(dwCEISize);
|
||
|
|
|
||
|
|
if (!pCEI)
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
pCEI->dwStructSize = sizeof(INTERNET_CACHE_ENTRY_INFOA);
|
||
|
|
|
||
|
|
fResult = RetrieveUrlCacheEntryFile(pcsDisplayName, pCEI, &dwCEISize, 0);
|
||
|
|
|
||
|
|
ulErr = GetLastError();
|
||
|
|
|
||
|
|
if (fResult)
|
||
|
|
if ( pCEI->LastModifiedTime.dwLowDateTime == ftLastModified.dwLowDateTime
|
||
|
|
&& pCEI->LastModifiedTime.dwHighDateTime == ftLastModified.dwHighDateTime
|
||
|
|
&& pCEI->dwSizeLow == statstg.cbSize.LowPart
|
||
|
|
&& pCEI->dwSizeHigh == statstg.cbSize.HighPart
|
||
|
|
)
|
||
|
|
{
|
||
|
|
lstrcpyA(acsFilePath, pCEI->lpszLocalFileName);
|
||
|
|
cwc = MultiByteToWideChar(GetACP(), MB_PRECOMPOSED,
|
||
|
|
acsFilePath, 1 + lstrlenA(acsFilePath),
|
||
|
|
awcsFilePath, MAX_PATH
|
||
|
|
);
|
||
|
|
|
||
|
|
RonM_ASSERT(cwc != 0);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
UnlockUrlCacheEntryFile(pcsDisplayName, 0);
|
||
|
|
fResult = FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!fResult)
|
||
|
|
{
|
||
|
|
fResult = CreateUrlCacheEntryA(pcsDisplayName, statstg.cbSize.LowPart,
|
||
|
|
pcsExtension, acsFilePath, 0
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!fResult)
|
||
|
|
{
|
||
|
|
hr = INET_E_CANNOT_INSTANTIATE_OBJECT;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
cwc = MultiByteToWideChar(GetACP(), MB_PRECOMPOSED, acsFilePath,
|
||
|
|
1 + lstrlenA(acsFilePath), awcsFilePath, MAX_PATH
|
||
|
|
);
|
||
|
|
|
||
|
|
hr = CopyStreamToFile(&pStrmITS, (const WCHAR *) awcsFilePath);
|
||
|
|
|
||
|
|
if (!fResult)
|
||
|
|
{
|
||
|
|
hr = INET_E_CANNOT_INSTANTIATE_OBJECT;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
FILETIME ftExpire;
|
||
|
|
|
||
|
|
ftExpire.dwLowDateTime = 0;
|
||
|
|
ftExpire.dwHighDateTime = 0;
|
||
|
|
|
||
|
|
fResult = CommitUrlCacheEntryA(pcsDisplayName, acsFilePath, ftExpire,
|
||
|
|
ftLastModified, NORMAL_CACHE_ENTRY, NULL,
|
||
|
|
0, pcsExtension, 0
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!fResult)
|
||
|
|
{
|
||
|
|
ulErr= GetLastError();
|
||
|
|
hr = INET_E_CANNOT_INSTANTIATE_OBJECT;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
fResult = RetrieveUrlCacheEntryFile(pcsDisplayName, NULL, &dwCEISize, 0);
|
||
|
|
|
||
|
|
RonM_ASSERT(!fResult);
|
||
|
|
|
||
|
|
ulErr= GetLastError();
|
||
|
|
|
||
|
|
if (ulErr == ERROR_INSUFFICIENT_BUFFER)
|
||
|
|
{
|
||
|
|
INTERNET_CACHE_ENTRY_INFOA *pCEI = (INTERNET_CACHE_ENTRY_INFOA *) _alloca(dwCEISize);
|
||
|
|
|
||
|
|
if (!pCEI)
|
||
|
|
{
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
|
||
|
|
pCEI->dwStructSize = sizeof(INTERNET_CACHE_ENTRY_INFOA);
|
||
|
|
|
||
|
|
fResult = RetrieveUrlCacheEntryFile(pcsDisplayName, pCEI, &dwCEISize, 0);
|
||
|
|
|
||
|
|
if (!fResult)
|
||
|
|
{
|
||
|
|
ulErr= GetLastError();
|
||
|
|
hr = INET_E_CANNOT_INSTANTIATE_OBJECT;
|
||
|
|
goto exit_GetStreamFromMoniker;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr)) && awcsFilePath[0])
|
||
|
|
CopyMemory(pwcsFile, awcsFilePath, (wcsLen(awcsFilePath) + 1) * sizeof(WCHAR));
|
||
|
|
|
||
|
|
*ppStrm = pStrmITS; pStrmITS = NULL;
|
||
|
|
|
||
|
|
hr = fTempFile? S_FALSE : S_OK;
|
||
|
|
|
||
|
|
exit_GetStreamFromMoniker:
|
||
|
|
|
||
|
|
if (pStrmITS ) pStrmITS->Release();
|
||
|
|
if (pwcsDisplayName) OLEHeap()->Free(pwcsDisplayName);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// IBindStatusCallback methods:
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnStartBinding(
|
||
|
|
/* [in] */ DWORD dwReserved,
|
||
|
|
/* [in] */ IBinding __RPC_FAR *pib)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::GetPriority(
|
||
|
|
/* [out] */ LONG __RPC_FAR *pnPriority)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnLowResource(
|
||
|
|
/* [in] */ DWORD reserved)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnProgress(
|
||
|
|
/* [in] */ ULONG ulProgress,
|
||
|
|
/* [in] */ ULONG ulProgressMax,
|
||
|
|
/* [in] */ ULONG ulStatusCode,
|
||
|
|
/* [in] */ LPCWSTR szStatusText)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnStopBinding(
|
||
|
|
/* [in] */ HRESULT hresult,
|
||
|
|
/* [unique][in] */ LPCWSTR szError)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* [local] */ HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::GetBindInfo(
|
||
|
|
/* [out] */ DWORD __RPC_FAR *grfBINDF,
|
||
|
|
/* [unique][out][in] */ BINDINFO __RPC_FAR *pbindinfo)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* [local] */ HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnDataAvailable(
|
||
|
|
/* [in] */ DWORD grfBSCF,
|
||
|
|
/* [in] */ DWORD dwSize,
|
||
|
|
/* [in] */ FORMATETC __RPC_FAR *pformatetc,
|
||
|
|
/* [in] */ STGMEDIUM __RPC_FAR *pstgmed)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CBindStatusCallBack::Implementation::OnObjectAvailable(
|
||
|
|
/* [in] */ REFIID riid,
|
||
|
|
/* [iid_is][in] */ IUnknown __RPC_FAR *punk)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|