internal static void FixNetworkCredential(ref NetworkCredential credential)
{
if (credential == null)
{
return;
}
string username = NetworkCredentialHelper.UnsafeGetUsername(credential);
string domain = NetworkCredentialHelper.UnsafeGetDomain(credential);
if (!string.IsNullOrEmpty(username) && string.IsNullOrEmpty(domain))
{
// do the splitting only if there is exactly 1 \ or exactly 1 @
string[] partsWithSlashDelimiter = username.Split('\\');
string[] partsWithAtDelimiter = username.Split('@');
if (partsWithSlashDelimiter.Length == 2 && partsWithAtDelimiter.Length == 1)
{
if (!string.IsNullOrEmpty(partsWithSlashDelimiter[0]) && !string.IsNullOrEmpty(partsWithSlashDelimiter[1]))
{
credential = new NetworkCredential(partsWithSlashDelimiter[1], NetworkCredentialHelper.UnsafeGetPassword(credential), partsWithSlashDelimiter[0]);
}
}
else if (partsWithSlashDelimiter.Length == 1 && partsWithAtDelimiter.Length == 2)
{
if (!string.IsNullOrEmpty(partsWithAtDelimiter[0]) && !string.IsNullOrEmpty(partsWithAtDelimiter[1]))
{
credential = new NetworkCredential(partsWithAtDelimiter[0], NetworkCredentialHelper.UnsafeGetPassword(credential), partsWithAtDelimiter[1]);
}
}
}
}
internal static NetworkCredential GetNetworkCredentialOrDefault(NetworkCredential credential)
{
// Because CredentialCache.DefaultNetworkCredentials is not immutable, we dont use it in our OM. Instead we
// use an empty NetworkCredential to denote the default credentials.
if (NetworkCredentialHelper.IsNullOrEmpty(credential))
{
return(CredentialCache.DefaultNetworkCredentials);
}
return(credential);
}
internal static NetworkCredential GetNetworkCredentialsCopy(NetworkCredential networkCredential)
{
NetworkCredential result;
if (networkCredential != null && !NetworkCredentialHelper.IsDefault(networkCredential))
{
result = new NetworkCredential(networkCredential.UserName, networkCredential.Password, networkCredential.Domain);
}
else
{
result = networkCredential;
}
return(result);
}
internal static NetworkCredential GetNetworkCredentialsCopy(NetworkCredential networkCredential)
{
NetworkCredential result;
if (networkCredential != null && !NetworkCredentialHelper.IsDefault(networkCredential))
{
result = new NetworkCredential(NetworkCredentialHelper.UnsafeGetUsername(networkCredential), NetworkCredentialHelper.UnsafeGetPassword(networkCredential), NetworkCredentialHelper.UnsafeGetDomain(networkCredential));
}
else
{
result = networkCredential;
}
return(result);
}
internal static NetworkCredential GetNetworkCredentialOrDefault(NetworkCredential credential)
{
// because of VSW 564452, we dont use CredentialCache.DefaultNetworkCredentials in our OM. Instead we
// use an empty NetworkCredential to denote the default credentials
if (NetworkCredentialHelper.IsNullOrEmpty(credential))
{
// FYI: this will fail with SecurityException in PT due to Demand for EnvironmentPermission.
// Typically a PT app should not have access to DefaultNetworkCredentials. If there is a valid reason,
// see UnsafeGetDefaultNetworkCredentials.
return(CredentialCache.DefaultNetworkCredentials);
}
else
{
return(credential);
}
}
internal static EndpointIdentity CreateWindowsIdentity(NetworkCredential serverCredential)
{
if (serverCredential != null && !NetworkCredentialHelper.IsDefault(serverCredential))
{
string upn;
if (serverCredential.Domain != null && serverCredential.Domain.Length > 0)
{
upn = serverCredential.UserName + "@" + serverCredential.Domain;
}
else
{
upn = serverCredential.UserName;
}
return(EndpointIdentity.CreateUpnIdentity(upn));
}
return(CreateWindowsIdentity());
}
internal static string AppendWindowsAuthenticationInfo(string inputString, NetworkCredential credential,
AuthenticationLevel authenticationLevel, TokenImpersonationLevel impersonationLevel)
{
const string delimiter = "\0"; // nonprintable characters are invalid for SSPI Domain/UserName/Password
if (NetworkCredentialHelper.IsDefault(credential))
{
string sid = NetworkCredentialHelper.GetCurrentUserIdAsString(credential);
return(string.Concat(inputString, delimiter,
sid, delimiter,
AuthenticationLevelHelper.ToString(authenticationLevel), delimiter,
TokenImpersonationLevelHelper.ToString(impersonationLevel)));
}
return(string.Concat(inputString, delimiter,
credential.Domain, delimiter,
credential.UserName, delimiter,
credential.Password, delimiter,
AuthenticationLevelHelper.ToString(authenticationLevel), delimiter,
TokenImpersonationLevelHelper.ToString(impersonationLevel)));
}
