internal unsafe static bool IsValidTimeForLkgScriptLocation(FILETIME ftLastKnownDetectTime)
{
// Get Current System Time.
FILETIME ftCurrentTime = new FILETIME();
SafeNclNativeMethods.GetSystemTimeAsFileTime(ref ftCurrentTime);
UInt64 ftDetect = (UInt64)ftLastKnownDetectTime.dwHighDateTime;
ftDetect <<= (sizeof(int) * 8);
ftDetect |= (UInt64)(uint)ftLastKnownDetectTime.dwLowDateTime;
UInt64 ftCurrent = (UInt64)ftCurrentTime.dwHighDateTime;
ftCurrent <<= (sizeof(int) * 8);
ftCurrent |= (UInt64)(uint)ftCurrentTime.dwLowDateTime;
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Detect Time:" + ValidationHelper.ToString(ftDetect));
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Current Time:" + ValidationHelper.ToString(ftCurrent));
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() 7 days:" + ValidationHelper.ToString(s_lkgScriptValidTime));
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Delta Time:" + ValidationHelper.ToString((UInt64)(ftCurrent - ftDetect)));
return((ftCurrent - ftDetect) < s_lkgScriptValidTime);
}
protected override void BuildInternal()
{
GlobalLog.Enter("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal() m_Connectoid:" + ValidationHelper.ToString(m_Connectoid));
// DON'T TOUCH THE ORDERING OF THE CALLS TO THE INSTANCE OF ProxyRegBlob
bool success = ReadRegSettings();
if (success)
{
success = ReadInt32() >= IE50StrucSize;
}
if (!success)
{
// if registry access fails rely on automatic detection
SetAutoDetectSettings(true);
return;
}
// read the rest of the items out
ReadInt32(); // incremental version# of current settings (ignored)
ProxyTypeFlags proxyFlags = (ProxyTypeFlags)ReadInt32(); // flags
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyFlags:" + ValidationHelper.ToString(proxyFlags));
string addressString = ReadString(); // proxy name
string proxyBypassString = ReadString(); // proxy bypass
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyAddressString:" + ValidationHelper.ToString(addressString) + " proxyBypassString:" + ValidationHelper.ToString(proxyBypassString));
//
// Once we verify that the flag for proxy is enabled,
// Parse UriString that is stored, may be in the form,
// of "http=http://http-proxy;ftp="ftp=http://..." must
// handle this case along with just a URI.
//
if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_PROXY) != 0)
{
SetProxyAndBypassList(addressString, proxyBypassString);
}
#if !FEATURE_PAL
SetAutoDetectSettings((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_DETECT) != 0);
string autoConfigUrlString = ReadString(); // autoconfig url
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() scriptLocation:" + ValidationHelper.ToString(addressString));
if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_PROXY_URL) != 0)
{
SetAutoProxyUrl(autoConfigUrlString);
}
// The final straw against attempting to use the WinInet LKG script location was, it's invalid when IPs have changed even if the
// connectoid hadn't. Doing that validation didn't seem worth it (error-prone, expensive, unsupported).
#if USE_WINIET_AUTODETECT_CACHE
proxyIE5Settings.ReadInt32(); // autodetect flags (ignored)
// reuse addressString for lkgScriptLocationString
addressString = proxyIE5Settings.ReadString(); // last known good auto-proxy url
// read ftLastKnownDetectTime
FILETIME ftLastKnownDetectTime = proxyIE5Settings.ReadFileTime();
// Verify if this lkgScriptLocationString has timed out
//
if (IsValidTimeForLkgScriptLocation(ftLastKnownDetectTime))
{
// reuse address for lkgScriptLocation
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() lkgScriptLocation:" + ValidationHelper.ToString(addressString));
if (Uri.TryCreate(addressString, UriKind.Absolute, out address))
{
webProxyData.lkgScriptLocation = address;
}
}
else
{
#if TRAVE
SYSTEMTIME st = new SYSTEMTIME();
bool f = SafeNclNativeMethods.FileTimeToSystemTime(ref ftLastKnownDetectTime, ref st);
if (f)
{
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() ftLastKnownDetectTime:" + ValidationHelper.ToString(st));
}
#endif // TRAVE
GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Ignoring Timed out lkgScriptLocation:" + ValidationHelper.ToString(addressString));
// Now rely on automatic detection settings set above
// based on the proxy flags (webProxyData.automaticallyDetectSettings).
//
}
#endif
/*
* // This is some of the rest of the proxy reg key blob parsing.
* //
* // Read Inte---- IPs
* int iftCount = proxyIE5Settings.ReadInt32();
* for (int ift = 0; ift < iftCount; ++ift) {
* proxyIE5Settings.ReadInt32();
* }
*
* // Read lpszAutoconfigSecondaryUrl
* string autoconfigSecondaryUrl = proxyIE5Settings.ReadString();
*
* // Read dwAutoconfigReloadDelayMins
* int autoconfigReloadDelayMins = proxyIE5Settings.ReadInt32();
*/
#endif
GlobalLog.Leave("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal()");
}
