/// <summary>
/// Decrypts the cookie information and returns it's value.
/// </summary>
public static string Decrypt(Cookie cookie)
{
//https://github.com/SignalR/SignalR/issues/2163, http://stackoverflow.com/questions/26336989/cookie-encoding-in-base64-cannot-be-sent-correctly-to-server
//var urlEncoded = HttpUtility.UrlEncode(cookie.Value);
//var bytes = Convert.FromBase64String(urlEncoded);
var bytes = HttpServerUtility.UrlTokenDecode(cookie.Value);
var unprotected = MachineKey.Unprotect(bytes, EncryptionSalt);
string cookieValue = UTF8Encoding.UTF8.GetString(unprotected);
return cookieValue;
}
public bool AuthorizeHubMethodInvocation(Microsoft.AspNet.SignalR.Hubs.IHubIncomingInvokerContext hubIncomingInvokerContext, bool appliesToMethod)
{
if (hubIncomingInvokerContext.Hub.Context.RequestCookies.ContainsKey("ASP.NET_SignalRExtendLib_SessionKey"))
{
ServerContext.Session(hubIncomingInvokerContext.Hub.Context).OnInvocal();
}
else
{
string sessionId = ServerContext.SessionPool.Create();
Cookie ck = new Cookie("ASP.NET_SignalRExtendLib_SessionKey", sessionId);
hubIncomingInvokerContext.Hub.Context.RequestCookies.Add("ASP.NET_SignalRExtendLib_SessionKey", ck);
if (hubIncomingInvokerContext.Hub is ICookieDistrinctRequest)
{
(hubIncomingInvokerContext.Hub as ICookieDistrinctRequest).AppendCookie("ASP.NET_SignalRExtendLib_SessionKey", sessionId);
}
}
return true;
}