private static void PrepareWebAccess(IOConnectionInfo ioc)
{
#if !KeePassUAP
IocProperties p = ((ioc != null) ? ioc.Properties : null);
if (p == null)
{
Debug.Assert(false); p = new IocProperties();
}
try
{
if (m_bSslCertsAcceptInvalid)
{
ServicePointManager.ServerCertificateValidationCallback =
IOConnection.AcceptCertificate;
}
else
{
ServicePointManager.ServerCertificateValidationCallback = null;
}
}
catch (Exception) { Debug.Assert(false); }
try
{
SecurityProtocolType spt = (SecurityProtocolType.Ssl3 |
SecurityProtocolType.Tls);
// The flags Tls11 and Tls12 in SecurityProtocolType have been
// introduced in .NET 4.5 and must not be set when running under
// older .NET versions (otherwise an exception is thrown)
Type tSpt = typeof(SecurityProtocolType);
string[] vSpt = Enum.GetNames(tSpt);
foreach (string strSpt in vSpt)
{
if (strSpt.Equals("Tls11", StrUtil.CaseIgnoreCmp))
{
spt |= (SecurityProtocolType)Enum.Parse(tSpt, "Tls11", true);
}
else if (strSpt.Equals("Tls12", StrUtil.CaseIgnoreCmp))
{
spt |= (SecurityProtocolType)Enum.Parse(tSpt, "Tls12", true);
}
}
ServicePointManager.SecurityProtocol = spt;
}
catch (Exception) { Debug.Assert(false); }
try
{
bool bCurCont = ServicePointManager.Expect100Continue;
if (!m_obDefaultExpect100Continue.HasValue)
{
Debug.Assert(bCurCont); // Default should be true
m_obDefaultExpect100Continue = bCurCont;
}
bool bNewCont = m_obDefaultExpect100Continue.Value;
bool?ob = p.GetBool(IocKnownProperties.Expect100Continue);
if (ob.HasValue)
{
bNewCont = ob.Value;
}
if (bNewCont != bCurCont)
{
ServicePointManager.Expect100Continue = bNewCont;
}
}
catch (Exception) { Debug.Assert(false); }
#endif
}
internal static void ConfigureWebRequest(WebRequest request,
IOConnectionInfo ioc)
{
if (request == null)
{
Debug.Assert(false); return;
} // No throw
IocProperties p = ((ioc != null) ? ioc.Properties : null);
if (p == null)
{
Debug.Assert(false); p = new IocProperties();
}
IHasIocProperties ihpReq = (request as IHasIocProperties);
if (ihpReq != null)
{
IocProperties pEx = ihpReq.IOConnectionProperties;
if (pEx != null)
{
p.CopyTo(pEx);
}
else
{
ihpReq.IOConnectionProperties = p.CloneDeep();
}
}
if (IsHttpWebRequest(request))
{
// WebDAV support
#if !KeePassUAP
request.PreAuthenticate = true; // Also auth GET
#endif
if (string.Equals(request.Method, WebRequestMethods.Http.Post,
StrUtil.CaseIgnoreCmp))
{
request.Method = WebRequestMethods.Http.Put;
}
#if !KeePassUAP
HttpWebRequest hwr = (request as HttpWebRequest);
if (hwr != null)
{
string strUA = p.Get(IocKnownProperties.UserAgent);
if (!string.IsNullOrEmpty(strUA))
{
hwr.UserAgent = strUA;
}
}
else
{
Debug.Assert(false);
}
#endif
}
#if !KeePassUAP
else if (IsFtpWebRequest(request))
{
FtpWebRequest fwr = (request as FtpWebRequest);
if (fwr != null)
{
bool?obPassive = p.GetBool(IocKnownProperties.Passive);
if (obPassive.HasValue)
{
fwr.UsePassive = obPassive.Value;
}
}
else
{
Debug.Assert(false);
}
}
#endif
#if !KeePassUAP
// Not implemented and ignored in Mono < 2.10
try
{
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
}
catch (NotImplementedException) { }
catch (Exception) { Debug.Assert(false); }
#endif
try
{
IWebProxy prx;
if (GetWebProxy(out prx))
{
request.Proxy = prx;
}
}
catch (Exception) { Debug.Assert(false); }
#if !KeePassUAP
long?olTimeout = p.GetLong(IocKnownProperties.Timeout);
if (olTimeout.HasValue && (olTimeout.Value >= 0))
{
request.Timeout = (int)Math.Min(olTimeout.Value, (long)int.MaxValue);
}
bool?ob = p.GetBool(IocKnownProperties.PreAuth);
if (ob.HasValue)
{
request.PreAuthenticate = ob.Value;
}
#endif
if (IOConnection.IOWebRequestPre != null)
{
IOWebRequestEventArgs e = new IOWebRequestEventArgs(request,
((ioc != null) ? ioc.CloneDeep() : null));
IOConnection.IOWebRequestPre(null, e);
}
}
