mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1480 lines
38 KiB
1480 lines
38 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1994
|
|
//
|
|
// File: reload.cpp ( based on WebCheck's downld.cxx )
|
|
//
|
|
// Contents: Implmentation of Office9 Thicket Save API
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#include "priv.h"
|
|
|
|
//#include "headers.hxx"
|
|
#include "reload.h"
|
|
|
|
#include <exdisp.h>
|
|
#include <exdispid.h>
|
|
#include <htiface.h>
|
|
#include <mshtmdid.h>
|
|
#include <mshtmcid.h>
|
|
#include <mshtmhst.h>
|
|
#include <optary.h> // needed for IHtmlLoadOptions
|
|
#include <wininet.h>
|
|
#include <winineti.h>
|
|
#include <shlguid.h>
|
|
#include <shlobj.h>
|
|
#include "intshcut.h" // IUniformResourceLocator
|
|
|
|
#undef DEFINE_STRING_CONSTANTS
|
|
#pragma warning( disable : 4207 )
|
|
#include "htmlstr.h"
|
|
#pragma warning( default : 4207 )
|
|
|
|
// Disable perf warning for typecasts to the native bool type
|
|
// Useful for NT64 where pointers cannot be cast to "BOOL"
|
|
#pragma warning( disable : 4800 )
|
|
|
|
//MtDefine(CUrlDownload, Utilities, "CUrlDownload")
|
|
|
|
#define TF_THISMODULE TF_DOWNLD
|
|
|
|
LRESULT UrlDownloadWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
|
|
|
|
|
|
CLIPFORMAT g_cfHTML=CF_NULL;
|
|
|
|
// User-Agent strings
|
|
const WCHAR c_szUserAgent95[] = L"Mozilla/4.0 (compatible; MSIE 4.01; MSIECrawler; Windows 95)";
|
|
const WCHAR c_szUserAgentNT[] = L"Mozilla/4.0 (compatible; MSIE 4.01; MSIECrawler; Windows NT)";
|
|
|
|
// Refresh header for http-equiv (client-pull)
|
|
const WCHAR c_wszRefresh[] = L"Refresh";
|
|
|
|
const int MAX_CLIENT_PULL_NUM = 4; // max # redirections
|
|
const int MAX_CLIENT_PULL_TIMEOUT = 6; // max timeout we'll follow
|
|
|
|
// Function also present in shdocvw\basesb.cpp and in mshtml
|
|
BOOL DLParseRefreshContent(LPWSTR pwzContent, UINT * puiDelay, LPWSTR pwzUrlBuf, UINT cchUrlBuf);
|
|
|
|
const WCHAR c_wszHeadVerb[] = L"HEAD";
|
|
|
|
const WCHAR c_szUserAgentPrefix[] = L"User-Agent: ";
|
|
const WCHAR c_szAcceptLanguagePrefix[] = L"Accept-Language: ";
|
|
|
|
#define WM_URLDL_CLEAN (WM_USER + 0x1010)
|
|
#define WM_URLDL_ONDLCOMPLETE (WM_USER + 0x1012)
|
|
#define WM_URLDL_CLIENTPULL (WM_USER+0x1013)
|
|
|
|
#define PROP_CODEPAGE 3
|
|
|
|
const PROPSPEC c_rgPropRead[] = {
|
|
{ PRSPEC_PROPID, PID_INTSITE_SUBSCRIPTION},
|
|
{ PRSPEC_PROPID, PID_INTSITE_FLAGS},
|
|
{ PRSPEC_PROPID, PID_INTSITE_TRACKING},
|
|
{ PRSPEC_PROPID, PID_INTSITE_CODEPAGE},
|
|
};
|
|
|
|
//---------------------------------------------------------------
|
|
// CUrlDownload class
|
|
CUrlDownload::CUrlDownload( CThicketProgress* ptp, HRESULT *phr, UINT cpDL )
|
|
{
|
|
// Maintain global count of objects
|
|
//DllAddRef();
|
|
|
|
m_ptp = ptp;
|
|
m_phr = phr;
|
|
m_cpDL = cpDL;
|
|
m_dwProgMax = 0;
|
|
|
|
m_cRef = 1;
|
|
|
|
m_pDocument = NULL;
|
|
m_dwConnectionCookie = 0;
|
|
m_pwszURL = NULL;
|
|
m_pScript = NULL;
|
|
m_fAdviseOn = FALSE;
|
|
m_pCP = NULL;
|
|
m_pDocument = NULL;
|
|
m_pPersistMk = NULL;
|
|
m_pOleCmdTarget = NULL;
|
|
m_pwszClientPullURL = NULL;
|
|
m_fWaitingForReadyState = FALSE;
|
|
m_fFormSubmitted = FALSE;
|
|
m_fBrowserValid = FALSE;
|
|
m_hwndMe = NULL;
|
|
|
|
// find the HTML clipboard format
|
|
if (!g_cfHTML)
|
|
{
|
|
g_cfHTML = RegisterClipboardFormat(CFSTR_MIME_HTML);
|
|
}
|
|
|
|
// find out if we need to set the "RESYNCHRONIZE" flag
|
|
INTERNET_CACHE_CONFIG_INFOA CacheConfigInfo;
|
|
DWORD dwBufSize = sizeof(CacheConfigInfo);
|
|
|
|
if (GetUrlCacheConfigInfoA(&CacheConfigInfo, &dwBufSize, CACHE_CONFIG_SYNC_MODE_FC))
|
|
{
|
|
if ((WININET_SYNC_MODE_ONCE_PER_SESSION == CacheConfigInfo.dwSyncMode) ||
|
|
(WININET_SYNC_MODE_NEVER == CacheConfigInfo.dwSyncMode) ||
|
|
(WININET_SYNC_MODE_AUTOMATIC == CacheConfigInfo.dwSyncMode))
|
|
{
|
|
m_fSetResync = FALSE;
|
|
}
|
|
else
|
|
{
|
|
m_fSetResync = TRUE;
|
|
}
|
|
}
|
|
else
|
|
ASSERT(FALSE);
|
|
|
|
m_lBindFlags = DLCTL_SILENT | DLCTL_NO_SCRIPTS | DLCTL_NO_FRAMEDOWNLOAD |
|
|
DLCTL_NO_JAVA | DLCTL_NO_RUNACTIVEXCTLS | DLCTL_NO_DLACTIVEXCTLS;
|
|
if (m_fSetResync)
|
|
m_lBindFlags |= DLCTL_RESYNCHRONIZE;
|
|
|
|
// register our window class if necessary
|
|
WNDCLASS wc;
|
|
|
|
wc.style = 0;
|
|
wc.lpfnWndProc = UrlDownloadWndProc;
|
|
wc.cbClsExtra = 0;
|
|
wc.cbWndExtra = 0;
|
|
wc.hInstance = g_hinst;
|
|
wc.hIcon = NULL;
|
|
wc.hCursor = NULL;
|
|
wc.hbrBackground = (HBRUSH)NULL;
|
|
wc.lpszMenuName = NULL;
|
|
wc.lpszClassName = URLDL_WNDCLASS;
|
|
|
|
SHRegisterClass(&wc);
|
|
|
|
}
|
|
|
|
CUrlDownload::~CUrlDownload()
|
|
{
|
|
// Maintain global count of objects
|
|
//DllRelease();
|
|
|
|
CleanUp();
|
|
}
|
|
|
|
void CUrlDownload::CleanUpBrowser()
|
|
{
|
|
SAFERELEASE(m_pScript);
|
|
|
|
if (m_fAdviseOn)
|
|
{
|
|
UnAdviseMe();
|
|
}
|
|
SAFERELEASE(m_pCP);
|
|
SAFERELEASE(m_pDocument);
|
|
SAFERELEASE(m_pPersistMk);
|
|
SAFERELEASE(m_pOleCmdTarget);
|
|
SAFELOCALFREE(m_pwszClientPullURL);
|
|
}
|
|
|
|
void CUrlDownload::CleanUp()
|
|
{
|
|
CleanUpBrowser();
|
|
SAFELOCALFREE(m_pwszURL);
|
|
|
|
if (m_hwndMe)
|
|
{
|
|
SetWindowLongPtr(m_hwndMe, GWLP_USERDATA, 0);
|
|
DestroyWindow(m_hwndMe);
|
|
m_hwndMe = NULL;
|
|
}
|
|
}
|
|
|
|
LRESULT UrlDownloadWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
CUrlDownload *pThis = (CUrlDownload *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
|
|
|
|
// Validate pThis
|
|
#ifdef DEBUG
|
|
if (pThis && IsBadWritePtr(pThis, sizeof(*pThis)))
|
|
{
|
|
ASSERT(FALSE);
|
|
}
|
|
#endif
|
|
|
|
switch (Msg)
|
|
{
|
|
case WM_CREATE :
|
|
{
|
|
LPCREATESTRUCT pcs = (LPCREATESTRUCT)lParam;
|
|
|
|
if (!pcs || !(pcs->lpCreateParams))
|
|
{
|
|
return -1;
|
|
}
|
|
SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR) pcs->lpCreateParams);
|
|
return 0;
|
|
}
|
|
|
|
case WM_URLDL_CLIENTPULL :
|
|
case WM_URLDL_ONDLCOMPLETE :
|
|
if (pThis)
|
|
pThis->HandleMessage(hWnd, Msg, wParam, lParam);
|
|
break;
|
|
|
|
default:
|
|
return DefWindowProc(hWnd, Msg, wParam, lParam);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
HRESULT CUrlDownload::CreateMyWindow()
|
|
{
|
|
// Create our callback window
|
|
if (NULL == m_hwndMe)
|
|
{
|
|
// TraceMsg(TF_THISMODULE, "Creating MeWnd, this=0x%08x", (DWORD)this);
|
|
m_hwndMe = CreateWindow(URLDL_WNDCLASS, TEXT("CUrlDownloadWnd"), WS_OVERLAPPED,
|
|
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
|
|
NULL, NULL, g_hinst, (LPVOID)this);
|
|
|
|
if (NULL == m_hwndMe)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CUrlDownload::BeginDownloadURL2(
|
|
LPCWSTR pwszURL, // URL
|
|
BDUMethod iMethod, // download method
|
|
BDUOptions iOptions, // download options
|
|
LPTSTR pszLocalFile, // Local file to download to instead of cache
|
|
DWORD dwMaxSize // Max size in bytes; will abort if exceeded
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
// Param validation
|
|
ASSERT(pwszURL);
|
|
ASSERT(!(iOptions & BDU2_NEEDSTREAM));
|
|
ASSERT(!pszLocalFile);
|
|
|
|
if (pszLocalFile)
|
|
{
|
|
hr = E_INVALIDARG;
|
|
}
|
|
else
|
|
{
|
|
CreateMyWindow();
|
|
|
|
// Clean up some old stuff
|
|
SAFERELEASE(m_pScript);
|
|
|
|
m_fBrowserValid = FALSE;
|
|
|
|
m_iMethod = iMethod;
|
|
m_iOptions = iOptions;
|
|
|
|
m_dwMaxSize = dwMaxSize;
|
|
|
|
SAFELOCALFREE(m_pwszClientPullURL);
|
|
m_iNumClientPull = 0;
|
|
|
|
// Save URL
|
|
SAFELOCALFREE(m_pwszURL);
|
|
m_pwszURL = StrDupW(pwszURL);
|
|
|
|
// Determine how to download this URL
|
|
hr = BeginDownloadWithBrowser(pwszURL);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
OnDownloadComplete(BDU2_ERROR_GENERAL);
|
|
}
|
|
|
|
return (hr);
|
|
}
|
|
|
|
//
|
|
// Looks up the Url in the url history object and if its not CP_ACP
|
|
// inserts an IHTMLLoadOptions object that contains the codepage
|
|
// into the bind context
|
|
//
|
|
|
|
|
|
HRESULT InsertCodepageIntoBindCtx(UINT codepage, IBindCtx * pbc)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (pbc == NULL)
|
|
{
|
|
hr = E_INVALIDARG;
|
|
}
|
|
else
|
|
{
|
|
if (codepage != CP_ACP)
|
|
{
|
|
DWORD dwcp = codepage;
|
|
//
|
|
// We got a codepage that wasn't the ansi one create an
|
|
// HTMLLoadOptions object and set the code page in it.
|
|
//
|
|
IHtmlLoadOptions *phlo = NULL;
|
|
hr = CoCreateInstance(CLSID_HTMLLoadOptions, NULL,
|
|
CLSCTX_INPROC_SERVER, IID_IHtmlLoadOptions, (void**)&phlo);
|
|
|
|
if (SUCCEEDED(hr) && phlo)
|
|
{
|
|
hr = phlo->SetOption(HTMLLOADOPTION_CODEPAGE, &dwcp,
|
|
sizeof(dwcp));
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Insert the option into the bindctx
|
|
//
|
|
pbc->RegisterObjectParam(L"__HTMLLOADOPTIONS", phlo);
|
|
}
|
|
phlo->Release();
|
|
}
|
|
}
|
|
}
|
|
return hr; // no return - may return S_FALSE
|
|
}
|
|
|
|
HRESULT CUrlDownload::BeginDownloadWithBrowser(LPCWSTR pwszURL)
|
|
{
|
|
HRESULT hr;
|
|
|
|
// Get browser and hook up sink
|
|
// (no-op if we're already set up)
|
|
hr = GetBrowser();
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// browse to the required URL
|
|
LPMONIKER pURLMoniker = NULL;
|
|
IBindCtx *pbc = NULL;
|
|
|
|
// create a URL moniker from the canonicalized path
|
|
hr=CreateURLMoniker(NULL, pwszURL, &pURLMoniker);
|
|
|
|
// create an empty bind context so that Urlmon will call Trident's
|
|
// QueryService on the proper thread so that Trident can delegate
|
|
// it to use properly.
|
|
hr=CreateBindCtx(0, &pbc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Looks up the Url in the url history object and if its not CP_ACP
|
|
// inserts an IHTMLLoadOptions object that contains the codepage
|
|
// into the bind context. This is done so that TRIDENT is seeded
|
|
// with the correct codepage.
|
|
//
|
|
InsertCodepageIntoBindCtx(m_cpDL, pbc);
|
|
|
|
hr = m_pPersistMk->Load(FALSE, pURLMoniker, pbc, 0);
|
|
if (SUCCEEDED(hr)) m_fWaitingForReadyState = TRUE;
|
|
}
|
|
|
|
// clean up junk
|
|
if (pURLMoniker)
|
|
pURLMoniker->Release();
|
|
|
|
if (pbc)
|
|
pbc->Release();
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
m_fBrowserValid = TRUE;
|
|
}
|
|
else
|
|
{
|
|
CleanUpBrowser();
|
|
}
|
|
}
|
|
|
|
return (hr);
|
|
}
|
|
|
|
HRESULT CUrlDownload::OnDownloadComplete(int iError)
|
|
{
|
|
PostMessage(m_hwndMe, WM_URLDL_ONDLCOMPLETE, (WPARAM)iError, 0);
|
|
return S_OK;
|
|
}
|
|
|
|
BOOL CUrlDownload::HandleMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
switch (uMsg)
|
|
{
|
|
case WM_URLDL_CLIENTPULL :
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
// Ask our parent if we should do this
|
|
if (m_pwszClientPullURL)
|
|
{
|
|
if (m_iNumClientPull >= MAX_CLIENT_PULL_NUM)
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// Download this new url. Don't give "downloadcomplete" for first one
|
|
// Save member vars since they get reset in BDU2
|
|
int iNumClientPull = m_iNumClientPull;
|
|
LPWSTR pszNewURL = m_pwszClientPullURL;
|
|
|
|
m_pwszClientPullURL = NULL;
|
|
hr = BeginDownloadURL2(pszNewURL, m_iMethod, m_iOptions, NULL, m_dwMaxSize);
|
|
SAFELOCALFREE(pszNewURL);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
m_iNumClientPull = iNumClientPull + 1;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_URLDL_ONDLCOMPLETE :
|
|
ASSERT(m_phr);
|
|
*m_phr = S_OK;
|
|
return TRUE;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
HRESULT CUrlDownload::AbortDownload(int iErrorCode /* =-1 */)
|
|
{
|
|
HRESULT hr=S_FALSE;
|
|
BOOL fAborted=FALSE;
|
|
|
|
if (m_fBrowserValid)
|
|
{
|
|
ASSERT(m_pOleCmdTarget);
|
|
if (m_pOleCmdTarget)
|
|
{
|
|
m_pOleCmdTarget->Exec(NULL, OLECMDID_STOP, 0, NULL, NULL);
|
|
}
|
|
|
|
SAFELOCALFREE(m_pwszClientPullURL);
|
|
|
|
fAborted=TRUE;
|
|
m_fBrowserValid = FALSE;
|
|
}
|
|
|
|
return hr; // no return - may return S_FALSE
|
|
}
|
|
|
|
// Loads browser, creates sink and hooks it up to DIID_DWebBrowserEvents
|
|
HRESULT CUrlDownload::GetBrowser()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (m_fAdviseOn)
|
|
return (hr);
|
|
|
|
if (NULL == m_pDocument)
|
|
{
|
|
ASSERT(!m_pPersistMk);
|
|
ASSERT(!m_pCP);
|
|
|
|
hr = CoCreateInstance(CLSID_HTMLDocument, NULL,
|
|
CLSCTX_INPROC, IID_IHTMLDocument2, (void **)&m_pDocument);
|
|
|
|
if (SUCCEEDED(hr)) // setting design mode faults Trident && SUCCEEDED(hr = m_pDocument->put_designMode( (BSTR)c_bstr_ON )))
|
|
{
|
|
IOleObject *pOleObj;
|
|
|
|
hr = m_pDocument->QueryInterface(IID_IOleObject, (void **)&pOleObj);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
pOleObj->SetClientSite((IOleClientSite *)this);
|
|
pOleObj->Release();
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = m_pDocument->QueryInterface(IID_IPersistMoniker, (void**)&m_pPersistMk);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = m_pDocument->QueryInterface(IID_IOleCommandTarget, (void**)&m_pOleCmdTarget);
|
|
}
|
|
|
|
ASSERT(SUCCEEDED(hr));
|
|
}
|
|
|
|
// At this point we have m_pDocument and m_pPersistMk
|
|
|
|
// Find our connection point if necessary
|
|
if (NULL == m_pCP && SUCCEEDED(hr))
|
|
{
|
|
IConnectionPointContainer *pCPCont=NULL;
|
|
hr = m_pDocument->QueryInterface(IID_IConnectionPointContainer,
|
|
(void **)&pCPCont);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = pCPCont->FindConnectionPoint(IID_IPropertyNotifySink, &m_pCP);
|
|
pCPCont->Release();
|
|
pCPCont = NULL;
|
|
}
|
|
}
|
|
|
|
// And hook it up to us
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// create sink
|
|
IPropertyNotifySink *pSink = (IPropertyNotifySink *)this;
|
|
|
|
hr = m_pCP->Advise(pSink, &m_dwConnectionCookie);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
m_fAdviseOn = TRUE;
|
|
}
|
|
}
|
|
|
|
return (hr);
|
|
}
|
|
|
|
void CUrlDownload::UnAdviseMe()
|
|
{
|
|
if (m_fAdviseOn)
|
|
{
|
|
m_pCP->Unadvise(m_dwConnectionCookie);
|
|
m_fAdviseOn = FALSE;
|
|
}
|
|
}
|
|
|
|
void CUrlDownload::DestroyBrowser()
|
|
{
|
|
CleanUpBrowser();
|
|
}
|
|
|
|
void CUrlDownload::DoneDownloading()
|
|
{
|
|
// Don't send any more messages to the parent
|
|
|
|
AbortDownload();
|
|
|
|
CleanUp();
|
|
}
|
|
|
|
HRESULT CUrlDownload::GetScript(IHTMLWindow2 **ppWin)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
IDispatch *pDisp=NULL;
|
|
|
|
ASSERT(ppWin);
|
|
*ppWin=NULL;
|
|
|
|
if (!m_fBrowserValid)
|
|
{
|
|
return (E_FAIL);
|
|
}
|
|
|
|
*ppWin = NULL;
|
|
|
|
if (m_pScript)
|
|
{
|
|
m_pScript->AddRef();
|
|
*ppWin = m_pScript;
|
|
return S_OK;
|
|
}
|
|
|
|
if (m_pDocument)
|
|
{
|
|
hr = m_pDocument->get_Script(&pDisp);
|
|
if (!pDisp) hr=E_NOINTERFACE;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = pDisp->QueryInterface(IID_IHTMLWindow2, (void **)ppWin);
|
|
if (*ppWin == NULL) hr = E_NOINTERFACE;
|
|
pDisp->Release();
|
|
}
|
|
|
|
// Save this so future GetScript() calls much faster
|
|
ASSERT(!m_pScript);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
m_pScript = *ppWin;
|
|
m_pScript->AddRef();
|
|
}
|
|
|
|
return (hr);
|
|
}
|
|
|
|
|
|
// Returns pointer to '.' or pointer to null-terminator or query '?'
|
|
LPWSTR // ptr to period or to null-term or '?'
|
|
URLFindExtensionW(
|
|
LPCWSTR pszURL,
|
|
int *piLen) // length including period
|
|
{
|
|
LPCWSTR pszDot;
|
|
|
|
ASSERT(pszURL);
|
|
|
|
for (pszDot = NULL; *pszURL && *pszURL!=TEXT('?'); pszURL++)
|
|
{
|
|
switch (*pszURL) {
|
|
case TEXT('.'):
|
|
pszDot = pszURL; // remember the last dot
|
|
break;
|
|
case TEXT('/'):
|
|
pszDot = NULL; // forget last dot, it was in a directory
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (piLen)
|
|
{
|
|
if (pszDot)
|
|
*piLen = (int) (pszURL-pszDot);
|
|
else
|
|
*piLen = 0;
|
|
}
|
|
|
|
// if we found the extension, return ptr to the dot, else
|
|
// ptr to end of the string (NULL extension) (cast->non const)
|
|
return pszDot ? (LPWSTR)pszDot : (LPWSTR)pszURL;
|
|
}
|
|
|
|
// Returns TRUE if this appears to be an HTML URL
|
|
BOOL CUrlDownload::IsHTMLURL(LPCWSTR lpURL)
|
|
{
|
|
LPWSTR pwch;
|
|
int iLen;
|
|
|
|
pwch = URLFindExtensionW(lpURL, &iLen);
|
|
|
|
if (*pwch && iLen)
|
|
{
|
|
// We found an extension. Check it out.
|
|
if ((iLen<4 || iLen>5) ||
|
|
(iLen == 5 &&
|
|
(StrCmpNIW(pwch, L".html", 5))) ||
|
|
(iLen == 4 &&
|
|
(StrCmpNIW(pwch, L".htm", 4) &&
|
|
StrCmpNIW(pwch, L".htt", 4) &&
|
|
StrCmpNIW(pwch, L".asp", 4) &&
|
|
StrCmpNIW(pwch, L".htx", 4)
|
|
)))
|
|
{
|
|
// extension < 3 chars, or extension > 4 chars, or
|
|
// extension not one of the above
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
return FALSE; // no extension. Can't assume it's HTML.
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
// Returns TRUE if this is a URL we should try to download (http:)
|
|
BOOL CUrlDownload::IsValidURL(LPCWSTR lpURL)
|
|
{
|
|
// Check protocol
|
|
// HKEY hk;
|
|
|
|
#if 0
|
|
BOOL fValidProtocol = FALSE;
|
|
|
|
// Always accept http or https
|
|
if (!StrCmpNIW(lpURL, L"http", 4))
|
|
fValidProtocol = TRUE;
|
|
|
|
if (!fValidProtocol &&
|
|
(ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, TEXT("PROTOCOLS\\Handler"), 0, KEY_QUERY_VALUE, &hk)))
|
|
{
|
|
// Crack out protocol
|
|
DWORD dwData=0, cbData = sizeof(DWORD);
|
|
int i;
|
|
char ch[16];
|
|
|
|
// we know we are 7-bit
|
|
for (i=0; i<ARRAYSIZE(ch) && lpURL[i] != L':' && lpURL[i]; i++)
|
|
ch[i] = (char) (lpURL[i]);
|
|
|
|
if (i<ARRAYSIZE(ch))
|
|
{
|
|
ch[i] = '\0';
|
|
|
|
// We have protocol
|
|
if (NO_ERROR == SHGetValue(hk, ch, TEXT("SupportsNoUI"), NULL, &dwData, &cbData))
|
|
{
|
|
if (dwData != 0)
|
|
fValidProtocol = TRUE; // Passed test
|
|
}
|
|
}
|
|
|
|
RegCloseKey(hk);
|
|
}
|
|
#endif
|
|
|
|
// See if this protocol will give us something for the cache
|
|
BOOL fUsesCache=FALSE;
|
|
DWORD dwBufSize=0;
|
|
CoInternetQueryInfo(lpURL, QUERY_USES_CACHE, 0,
|
|
&fUsesCache, sizeof(fUsesCache), &dwBufSize, 0);
|
|
|
|
if (!fUsesCache || (S_FALSE == ::IsValidURL(NULL, lpURL, 0)))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
HRESULT CUrlDownload::GetRealURL(LPWSTR *ppwszURL)
|
|
{
|
|
*ppwszURL = NULL;
|
|
|
|
if (!m_fBrowserValid)
|
|
{
|
|
if (m_pwszURL)
|
|
*ppwszURL = StrDupW(m_pwszURL);
|
|
}
|
|
else
|
|
{
|
|
// Get the real URL from the browser in case we were redirected
|
|
// We could optimize to do this only once
|
|
ITargetContainer *pTarget=NULL;
|
|
LPWSTR pwszThisUrl=NULL;
|
|
|
|
if (m_pDocument)
|
|
{
|
|
m_pDocument->QueryInterface(IID_ITargetContainer, (void **)&pTarget);
|
|
|
|
if (pTarget)
|
|
{
|
|
pTarget->GetFrameUrl(&pwszThisUrl);
|
|
pTarget->Release();
|
|
}
|
|
}
|
|
|
|
if (pwszThisUrl)
|
|
{
|
|
if (m_pwszURL) SAFELOCALFREE(m_pwszURL);
|
|
m_pwszURL = StrDupW(pwszThisUrl);
|
|
*ppwszURL = StrDupW(pwszThisUrl);
|
|
CoTaskMemFree(pwszThisUrl);
|
|
}
|
|
else if (m_pwszURL)
|
|
{
|
|
*ppwszURL = StrDupW(m_pwszURL);
|
|
}
|
|
}
|
|
|
|
return (*ppwszURL) ? S_OK : E_OUTOFMEMORY;
|
|
}
|
|
|
|
|
|
HRESULT CUrlDownload::GetDocument(IHTMLDocument2 **ppDoc)
|
|
{
|
|
HRESULT hr;
|
|
|
|
if (!m_fBrowserValid)
|
|
{
|
|
*ppDoc = NULL;
|
|
return (E_FAIL);
|
|
}
|
|
|
|
*ppDoc = m_pDocument;
|
|
if (m_pDocument)
|
|
{
|
|
m_pDocument->AddRef();
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = E_NOINTERFACE;
|
|
|
|
return (hr);
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// IUnknown of CUrlDownload
|
|
//
|
|
STDMETHODIMP CUrlDownload::QueryInterface(REFIID riid, void ** ppv)
|
|
{
|
|
if (!ppv)
|
|
return E_POINTER;
|
|
|
|
*ppv=NULL;
|
|
|
|
// Validate requested interface
|
|
if (IID_IOleClientSite == riid)
|
|
*ppv=(IOleClientSite *)this;
|
|
else if (IID_IPropertyNotifySink == riid)
|
|
*ppv=(IPropertyNotifySink *)this;
|
|
else if (IID_IOleCommandTarget == riid)
|
|
*ppv=(IOleCommandTarget *)this;
|
|
else if (IID_IDispatch == riid)
|
|
*ppv=(IDispatch *)this;
|
|
else if (IID_IServiceProvider == riid)
|
|
*ppv = (IServiceProvider *)this;
|
|
else if (IID_IAuthenticate == riid)
|
|
*ppv = (IAuthenticate *)this;
|
|
else if (IID_IInternetSecurityManager == riid)
|
|
*ppv = (IInternetSecurityManager *)this;
|
|
else if ((IID_IUnknown == riid) ||
|
|
(IID_IHlinkFrame == riid))
|
|
*ppv = (IHlinkFrame *)this;
|
|
else
|
|
{
|
|
// DBGIID("CUrlDownload::QueryInterface() failing", riid);
|
|
}
|
|
|
|
// Addref through the interface
|
|
if (NULL != *ppv)
|
|
{
|
|
((LPUNKNOWN)*ppv)->AddRef();
|
|
return S_OK;
|
|
}
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
|
|
STDMETHODIMP_(ULONG) CUrlDownload::AddRef(void)
|
|
{
|
|
// TraceMsg(TF_THISMODULE, "CUrlDownload addref to %d", m_cRef+1);
|
|
return ++m_cRef;
|
|
}
|
|
|
|
|
|
STDMETHODIMP_(ULONG) CUrlDownload::Release(void)
|
|
{
|
|
// TraceMsg(TF_THISMODULE, "CUrlDownload release - %d", m_cRef-1);
|
|
if( 0L != --m_cRef )
|
|
return m_cRef;
|
|
|
|
delete this;
|
|
return 0L;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::GetTypeInfoCount(UINT *pctinfo)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::Invoke(DISPID dispidMember,
|
|
REFIID riid,
|
|
LCID lcid,
|
|
WORD wFlags,
|
|
DISPPARAMS *pdispparams,
|
|
VARIANT *pvarResult,
|
|
EXCEPINFO *pexcepinfo,
|
|
UINT *puArgErr)
|
|
{
|
|
if (!pvarResult)
|
|
return E_INVALIDARG;
|
|
|
|
ASSERT(V_VT(pvarResult)== VT_EMPTY);
|
|
|
|
if (wFlags == DISPATCH_PROPERTYGET)
|
|
{
|
|
switch (dispidMember)
|
|
{
|
|
case DISPID_AMBIENT_DLCONTROL :
|
|
//TraceMsg(TF_THISMODULE, "Returning DLCONTROL ambient property 0x%08x", m_lBindFlags);
|
|
pvarResult->vt = VT_I4;
|
|
pvarResult->lVal = m_lBindFlags;
|
|
break;
|
|
|
|
case DISPID_AMBIENT_USERAGENT:
|
|
CHAR szUserAgent[MAX_PATH]; // URLMON says the max length of the UA string is MAX_PATH
|
|
DWORD dwSize;
|
|
|
|
dwSize = MAX_PATH;
|
|
szUserAgent[0] = '\0';
|
|
|
|
pvarResult->vt = VT_BSTR;
|
|
|
|
if ( ObtainUserAgentString( 0, szUserAgent, &dwSize ) == S_OK )
|
|
{
|
|
UINT cch = lstrlenA( szUserAgent );
|
|
|
|
// Allocates size + 1
|
|
pvarResult->bstrVal = SysAllocStringLen( 0, cch );
|
|
if( pvarResult->bstrVal )
|
|
{
|
|
if( !MultiByteToWideChar( CP_ACP, 0, szUserAgent, -1, pvarResult->bstrVal, cch + 1 ) )
|
|
{
|
|
SysFreeString( pvarResult->bstrVal );
|
|
pvarResult->bstrVal = 0;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DISPID_AMBIENT_USERMODE:
|
|
pvarResult->vt = VT_BOOL;
|
|
pvarResult->boolVal = VARIANT_FALSE; // put it in design mode
|
|
break;
|
|
|
|
default:
|
|
return DISP_E_MEMBERNOTFOUND;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
return DISP_E_MEMBERNOTFOUND;
|
|
}
|
|
|
|
// IPropertyNotifySink
|
|
|
|
STDMETHODIMP CUrlDownload::OnChanged(DISPID dispID)
|
|
{
|
|
if ((DISPID_READYSTATE == dispID) ||
|
|
(DISPID_UNKNOWN == dispID))
|
|
{
|
|
// Find out if we're done
|
|
if (m_fWaitingForReadyState)
|
|
{
|
|
VARIANT varState;
|
|
DISPPARAMS dp;
|
|
|
|
VariantInit(&varState);
|
|
|
|
if (SUCCEEDED(m_pDocument->Invoke(DISPID_READYSTATE,
|
|
IID_NULL,
|
|
GetUserDefaultLCID(),
|
|
DISPATCH_PROPERTYGET,
|
|
&dp,
|
|
&varState, NULL, NULL)) &&
|
|
V_VT(&varState)==VT_I4 &&
|
|
V_I4(&varState)== READYSTATE_COMPLETE)
|
|
{
|
|
m_fWaitingForReadyState = FALSE;
|
|
// Successful download. See if a client-pull is waiting.
|
|
if (m_pwszClientPullURL)
|
|
PostMessage(m_hwndMe, WM_URLDL_CLIENTPULL, 0, 0);
|
|
else
|
|
OnDownloadComplete(BDU2_ERROR_NONE);
|
|
}
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::OnRequestEdit(DISPID dispID)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
// IOleCommandTarget
|
|
STDMETHODIMP CUrlDownload::QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds,
|
|
OLECMD prgCmds[], OLECMDTEXT *pCmdText)
|
|
{
|
|
return OLECMDERR_E_UNKNOWNGROUP;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload::Exec(const GUID *pguidCmdGroup, DWORD nCmdID,
|
|
DWORD nCmdexecopt, VARIANTARG *pvarargIn,
|
|
VARIANTARG *pvarargOut)
|
|
{
|
|
HRESULT hres = OLECMDERR_E_NOTSUPPORTED;
|
|
|
|
if (pguidCmdGroup == NULL)
|
|
{
|
|
switch(nCmdID)
|
|
{
|
|
case OLECMDID_SETPROGRESSPOS:
|
|
{
|
|
hres = S_OK;
|
|
VARIANT varBytes;
|
|
|
|
if (m_pOleCmdTarget)
|
|
{
|
|
varBytes.vt=VT_EMPTY;
|
|
m_pOleCmdTarget->Exec(&CGID_MSHTML, IDM_GETBYTESDOWNLOADED, 0, NULL, &varBytes);
|
|
|
|
if (varBytes.vt == VT_I4)
|
|
{
|
|
DWORD dwBytes = (DWORD) varBytes.lVal;
|
|
|
|
//TraceMsg(TF_THISMODULE, "%d bytes on page so far (mshtml)", dwBytes);
|
|
|
|
ProgressBytes(dwBytes);
|
|
|
|
// for this mutant version, we also want to keep mom and dad up to date.
|
|
LONG lPos;
|
|
|
|
// we use 0..50 so that the progress meter won't max out
|
|
// when only the download phase is finished and we still have
|
|
// packaging work to do.
|
|
if (pvarargIn && m_dwProgMax)
|
|
lPos = (pvarargIn->lVal * 25) / m_dwProgMax;
|
|
else
|
|
lPos = 0;
|
|
|
|
if (m_ptp)
|
|
m_ptp->SetPercent( lPos );
|
|
hres = S_OK;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case OLECMDID_SETPROGRESSMAX:
|
|
{
|
|
if (pvarargIn && pvarargIn->vt == VT_I4)
|
|
m_dwProgMax = pvarargIn->lVal;
|
|
hres = S_OK;
|
|
}
|
|
break;
|
|
|
|
//
|
|
// The containee has found an http-equiv meta tag; handle it
|
|
// appropriately (client pull)
|
|
//
|
|
case OLECMDID_HTTPEQUIV_DONE:
|
|
hres = S_OK;
|
|
break;
|
|
|
|
case OLECMDID_HTTPEQUIV:
|
|
{
|
|
LPWSTR pwszEquivString = pvarargIn? pvarargIn->bstrVal : NULL;
|
|
BOOL fHasHeader = (bool) pwszEquivString;
|
|
|
|
if (pvarargIn && pvarargIn->vt != VT_BSTR)
|
|
return OLECMDERR_E_NOTSUPPORTED;
|
|
|
|
if (!fHasHeader || StrCmpNIW(c_wszRefresh, pwszEquivString, lstrlenW(c_wszRefresh)) == 0)
|
|
{
|
|
// Hit. Now do the right thing for this header
|
|
// We pass both the header and a pointer to the first char after
|
|
// ':', which is usually the delimiter handlers will look for.
|
|
|
|
LPWSTR pwszColon = fHasHeader ? StrChrW(pwszEquivString, ':') : NULL;
|
|
|
|
// Enforce the : at the end of the header
|
|
if (fHasHeader && !pwszColon)
|
|
{
|
|
return OLECMDERR_E_NOTSUPPORTED;
|
|
}
|
|
|
|
hres = HandleRefresh(pwszEquivString, pwszColon ? pwszColon+1:NULL,
|
|
(nCmdID == OLECMDID_HTTPEQUIV_DONE));
|
|
}
|
|
}
|
|
|
|
// if we return OLECMDERR_E_NOTSUPPORTED, we don't handle
|
|
// client pull
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
// The basic operation was lifted from shdocvw\basesb.cpp
|
|
HRESULT CUrlDownload::HandleRefresh(LPWSTR pwszEquivString, LPWSTR pwszContent, BOOL fDone)
|
|
{
|
|
unsigned int uiTimeout = 0;
|
|
WCHAR awch[INTERNET_MAX_URL_LENGTH];
|
|
|
|
if (fDone)
|
|
{
|
|
return S_OK; // fDone means we don't process this
|
|
}
|
|
|
|
// NSCompat: we only honor the first successfully parsed Refresh
|
|
if (m_pwszClientPullURL)
|
|
return S_OK;
|
|
|
|
if (!pwszContent ||
|
|
!DLParseRefreshContent(pwszContent, &uiTimeout, awch, INTERNET_MAX_URL_LENGTH))
|
|
{
|
|
return OLECMDERR_E_NOTSUPPORTED; // cannot handle refresh w/o timeout
|
|
}
|
|
|
|
if (!awch[0])
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
if (m_iNumClientPull >= MAX_CLIENT_PULL_NUM)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
//TraceMsg(TF_THISMODULE, "CUrlDownload client pull (refresh=%d) url=%ws", uiTimeout, awch);
|
|
if (uiTimeout > MAX_CLIENT_PULL_TIMEOUT)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
m_pwszClientPullURL = StrDupW(awch);
|
|
|
|
// If we can't copy the URL, don't set the timer or else we'll
|
|
// keep reloading the same page.
|
|
|
|
if (m_pwszClientPullURL == NULL)
|
|
return OLECMDERR_E_NOTSUPPORTED;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
|
|
HRESULT CUrlDownload::SetDLCTL(long lFlags)
|
|
{
|
|
// TraceMsg(TF_THISMODULE, "CUrlDownload: SetDLCTL %04x", lFlags);
|
|
m_lBindFlags = lFlags | DLCTL_SILENT;
|
|
if (m_fSetResync)
|
|
m_lBindFlags |= DLCTL_RESYNCHRONIZE;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
#define INET_E_AGENT_BIND_IN_PROGRESS 0x800C0FFF
|
|
|
|
HRESULT CUrlDownload::ProgressBytes(DWORD dwBytes)
|
|
{
|
|
if (m_dwMaxSize > 0 && dwBytes > m_dwMaxSize)
|
|
{
|
|
//TraceMsg(TF_THISMODULE, "CUrlDownload MaxSize exceeded aborting. %d of %d bytes", dwBytes, m_dwMaxSize);
|
|
|
|
AbortDownload(BDU2_ERROR_MAXSIZE);
|
|
return E_ABORT;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//---------------------------------------------------------------
|
|
// IServiceProvider
|
|
STDMETHODIMP CUrlDownload::QueryService(REFGUID guidService, REFIID riid, void **ppvObject)
|
|
{
|
|
if ((SID_SHlinkFrame == guidService && IID_IHlinkFrame == riid) ||
|
|
(IID_IAuthenticate == guidService && IID_IAuthenticate == riid) ||
|
|
(SID_SInternetSecurityManager == guidService && IID_IInternetSecurityManager == riid))
|
|
{
|
|
return QueryInterface(riid, ppvObject);
|
|
}
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------
|
|
// IAuthenticate
|
|
STDMETHODIMP CUrlDownload::Authenticate(HWND *phwnd, LPWSTR *ppszUsername, LPWSTR *ppszPassword)
|
|
{
|
|
HRESULT hr;
|
|
ASSERT(phwnd && ppszUsername && ppszPassword);
|
|
|
|
*phwnd = (HWND)-1;
|
|
*ppszUsername = NULL;
|
|
*ppszPassword = NULL;
|
|
|
|
hr = E_NOTIMPL;
|
|
|
|
//TraceMsg(TF_THISMODULE, "CUrlDownload::Authenticate returning hr=%08x", hr);
|
|
|
|
return (hr);
|
|
}
|
|
|
|
//---------------------------------------------------------------
|
|
// IHlinkFrame
|
|
STDMETHODIMP CUrlDownload::SetBrowseContext(IHlinkBrowseContext *pihlbc)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
STDMETHODIMP CUrlDownload::GetBrowseContext(IHlinkBrowseContext **ppihlbc)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
STDMETHODIMP CUrlDownload::Navigate(DWORD grfHLNF, LPBC pbc, IBindStatusCallback *pibsc, IHlink *pihlNavigate)
|
|
{
|
|
// We should only get a call through IHlinkFrame->Navigate()
|
|
// when the webcrawler has submitted a form for authentication.
|
|
// Bail out if that's not the case.
|
|
if (!m_fFormSubmitted)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
// Our timer has already been started. If this fails, OnDownloadComplete will get
|
|
// called when we time out.
|
|
|
|
// We don't support a wide variety of parameters.
|
|
ASSERT(grfHLNF == 0);
|
|
ASSERT(pbc);
|
|
ASSERT(pibsc);
|
|
ASSERT(pihlNavigate);
|
|
|
|
// Get the moniker from IHlink
|
|
HRESULT hr;
|
|
IMoniker *pmk = NULL;
|
|
hr = pihlNavigate->GetMonikerReference(HLINKGETREF_ABSOLUTE, &pmk, NULL);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// Load the URL with the post data.
|
|
// REARCHITECT: What if we get redirected to something other than HTML? (beta 2)
|
|
hr = m_pPersistMk->Load(FALSE, pmk, pbc, 0);
|
|
SAFERELEASE(pmk);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
m_fBrowserValid = TRUE;
|
|
// Need to wait again.
|
|
m_fWaitingForReadyState = TRUE;
|
|
}
|
|
}
|
|
return (hr);
|
|
}
|
|
STDMETHODIMP CUrlDownload::OnNavigate(DWORD grfHLNF, IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName, DWORD dwreserved)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
STDMETHODIMP CUrlDownload::UpdateHlink(ULONG uHLID, IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// IInternetSecurityManager interface
|
|
// Used to override security to allow form submits, for form auth sites
|
|
HRESULT CUrlDownload::SetSecuritySite(IInternetSecurityMgrSite *pSite)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT CUrlDownload::GetSecuritySite(IInternetSecurityMgrSite **ppSite)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT CUrlDownload::MapUrlToZone(LPCWSTR pwszUrl, DWORD *pdwZone, DWORD dwFlags)
|
|
{
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
HRESULT CUrlDownload::GetSecurityId(LPCWSTR pwszUrl, BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved)
|
|
{
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
HRESULT CUrlDownload::ProcessUrlAction(LPCWSTR pwszUrl, DWORD dwAction, BYTE __RPC_FAR *pPolicy, DWORD cbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwFlags, DWORD dwReserved)
|
|
{
|
|
if ((dwAction == URLACTION_HTML_SUBMIT_FORMS_TO) ||
|
|
(dwAction == URLACTION_HTML_SUBMIT_FORMS_FROM))
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
HRESULT CUrlDownload::QueryCustomPolicy(LPCWSTR pwszUrl, REFGUID guidKey, BYTE **ppPolicy, DWORD *pcbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwReserved)
|
|
{
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
HRESULT CUrlDownload::SetZoneMapping(DWORD dwZone, LPCWSTR lpszPattern, DWORD dwFlags)
|
|
{
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
HRESULT CUrlDownload::GetZoneMappings(DWORD dwZone, IEnumString **ppenumString, DWORD dwFlags)
|
|
{
|
|
return INET_E_DEFAULT_ACTION;
|
|
}
|
|
|
|
//
|
|
// IOleClientSite
|
|
//
|
|
STDMETHODIMP CUrlDownload:: SaveObject(void)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload:: GetMoniker(DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload:: GetContainer(IOleContainer **ppContainer)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload:: ShowObject(void)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload:: OnShowWindow(BOOL fShow)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP CUrlDownload:: RequestNewObjectLayout(void)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
|
|
|
|
// ParseRefreshContent was lifted in its entirety from shdocvw\basesb.cpp
|
|
BOOL DLParseRefreshContent(LPWSTR pwzContent,
|
|
UINT * puiDelay, LPWSTR pwzUrlBuf, UINT cchUrlBuf)
|
|
{
|
|
// We are parsing the following string:
|
|
//
|
|
// [ws]* [0-9]+ [ws]* ; [ws]* url [ws]* = [ws]* { ' | " } [any]* { ' | " }
|
|
//
|
|
// Netscape insists that the string begins with a delay. If not, it
|
|
// ignores the entire directive. There can be more than one URL mentioned,
|
|
// and the last one wins. An empty URL is treated the same as not having
|
|
// a URL at all. An empty URL which follows a non-empty URL resets
|
|
// the previous URL.
|
|
|
|
enum { PRC_START, PRC_DIG, PRC_DIG_WS, PRC_SEMI, PRC_SEMI_URL,
|
|
PRC_SEMI_URL_EQL, PRC_SEMI_URL_EQL_ANY };
|
|
#define ISSPACE(ch) (((ch) == 32) || ((unsigned)((ch) - 9)) <= 13 - 9)
|
|
|
|
UINT uiState = PRC_START;
|
|
UINT uiDelay = 0;
|
|
LPWSTR pwz = pwzContent;
|
|
LPWSTR pwzUrl = NULL;
|
|
UINT cchUrl = 0;
|
|
WCHAR wch, wchDel = 0;
|
|
|
|
*pwzUrlBuf = 0;
|
|
|
|
do
|
|
{
|
|
wch = *pwz;
|
|
|
|
switch (uiState)
|
|
{
|
|
case PRC_START:
|
|
if (wch >= TEXT('0') && wch <= TEXT('9'))
|
|
{
|
|
uiState = PRC_DIG;
|
|
uiDelay = wch - TEXT('0');
|
|
}
|
|
else if (!ISSPACE(wch))
|
|
goto done;
|
|
break;
|
|
|
|
case PRC_DIG:
|
|
if (wch >= TEXT('0') && wch <= TEXT('9'))
|
|
uiDelay = uiDelay * 10 + wch - TEXT('0');
|
|
else if (ISSPACE(wch))
|
|
uiState = PRC_DIG_WS;
|
|
else if (wch == TEXT(';'))
|
|
uiState = PRC_SEMI;
|
|
else
|
|
goto done;
|
|
break;
|
|
|
|
case PRC_DIG_WS:
|
|
if (wch == TEXT(';'))
|
|
uiState = PRC_SEMI;
|
|
else if (!ISSPACE(wch))
|
|
goto done;
|
|
break;
|
|
|
|
case PRC_SEMI:
|
|
if ( (wch == TEXT('u') || wch == TEXT('U'))
|
|
&& (pwz[1] == TEXT('r') || pwz[1] == TEXT('R'))
|
|
&& (pwz[2] == TEXT('l') || pwz[2] == TEXT('L')))
|
|
{
|
|
uiState = PRC_SEMI_URL;
|
|
pwz += 2;
|
|
}
|
|
else if (!ISSPACE(wch) && wch != TEXT(';'))
|
|
goto done;
|
|
break;
|
|
|
|
case PRC_SEMI_URL:
|
|
if (wch == TEXT('='))
|
|
{
|
|
uiState = PRC_SEMI_URL_EQL;
|
|
*pwzUrlBuf = 0;
|
|
}
|
|
else if (wch == TEXT(';'))
|
|
uiState = PRC_SEMI;
|
|
else if (!ISSPACE(wch))
|
|
goto done;
|
|
break;
|
|
|
|
case PRC_SEMI_URL_EQL:
|
|
if (wch == TEXT(';'))
|
|
uiState = PRC_SEMI;
|
|
else if (!ISSPACE(wch))
|
|
{
|
|
uiState = PRC_SEMI_URL_EQL_ANY;
|
|
|
|
pwzUrl = pwzUrlBuf;
|
|
cchUrl = cchUrlBuf;
|
|
|
|
if (wch == TEXT('\'')|| wch == TEXT('\"'))
|
|
wchDel = wch;
|
|
else
|
|
{
|
|
wchDel = 0;
|
|
*pwzUrl++ = wch;
|
|
cchUrl--;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PRC_SEMI_URL_EQL_ANY:
|
|
if ( !wch
|
|
|| ( wchDel && wch == wchDel)
|
|
|| (!wchDel && wch == L';'))
|
|
{
|
|
*pwzUrl = 0;
|
|
uiState = wch == TEXT(';') ? PRC_SEMI : PRC_DIG_WS;
|
|
}
|
|
else if (cchUrl > 1)
|
|
{
|
|
*pwzUrl++ = wch;
|
|
cchUrl--;
|
|
}
|
|
break;
|
|
}
|
|
|
|
++pwz;
|
|
|
|
} while (wch);
|
|
|
|
done:
|
|
|
|
*puiDelay = uiDelay;
|
|
|
|
return(uiState >= PRC_DIG);
|
|
} // ParseRefreshContent
|