private IPromise<AuthenticationSchemes> CheckAuthentication(Vault vault, bool async)
{
var result = new Promise<AuthenticationSchemes>();
if (vault.Authentication == AuthenticationSchemes.None && _conn.Version >= 11)
{
var hReq = (HttpWebRequest)System.Net.WebRequest.Create(vault.Url);
hReq.Credentials = null;
hReq.UnsafeAuthenticatedConnectionSharing = true;
hReq.Method = "HEAD";
var req = new WebRequest(hReq, CompressionType.none);
result.CancelTarget(
req.Execute(async)
.Progress((p, m) => result.Notify(p, m))
.Done(r =>
{
vault.Authentication = AuthenticationSchemes.Anonymous;
result.Resolve(vault.Authentication);
}).Fail(ex =>
{
var webEx = ex as HttpException;
if (webEx != null && webEx.Response.StatusCode == HttpStatusCode.Unauthorized)
{
vault.Authentication = req.CheckForNotAuthorized(webEx.Response);
result.Resolve(vault.Authentication);
}
else
{
result.Reject(ex);
}
}));
}
else
{
result.Resolve(AuthenticationSchemes.Anonymous);
}
return result;
}
