/// <summary>
/// Check CONNECT message to accept or not the connection request
/// </summary>
/// <param name="connect">CONNECT message received from client</param>
/// <returns>Return code for CONNACK message</returns>
private byte ConnectVerify(MqttMsgConnect connect)
{
byte returnCode = MqttMsgConnack.CONN_ACCEPTED;
// unacceptable protocol version
if (connect.ProtocolVersion != MqttMsgConnect.PROTOCOL_VERSION_V3_1_1)
{
returnCode = MqttMsgConnack.CONN_REFUSED_PROT_VERS;
}
else
{
// [v.3.1.1] client id zero length is allowed but clean session must be true
if ((connect.ClientId.Length == 0) && (!connect.CleanSession))
{
returnCode = MqttMsgConnack.CONN_REFUSED_IDENT_REJECTED;
}
else
if (!MqttSettings.Instance.ControlSytemAuthentication)
{
if (MqttSettings.Instance.Username != null && MqttSettings.Instance.Password != null && (connect.Username != MqttSettings.Instance.Username || connect.Password != MqttSettings.Instance.Password))
{
return(returnCode = MqttMsgConnack.CONN_REFUSED_USERNAME_PASSWORD);
}
}
else
{
Authentication.UserInformation userInformation = Authentication.ValidateUserInformation(connect.Username, connect.Password);
if (!userInformation.Authenticated || (userInformation.Authenticated && (userInformation.Access != "Administrator" && !userInformation.Groups.Contains("MQTT"))))
{
return(returnCode = MqttMsgConnack.CONN_REFUSED_USERNAME_PASSWORD);
}
}
}
return(returnCode);
}
/// <summary>
/// The default Constructor.
/// </summary>
internal Session(Authentication.UserInformation user)
{
_expiryTime = DateTime.Now.Add(TimeSpan.FromMinutes(120));
_user = user;
var md5 = MD5.Create();
var hash = md5.ComputeHash(Encoding.ASCII.GetBytes(DateTime.Now + _user.UserName));
_sessionId = string.Empty;
foreach (var b in hash)
{
_sessionId = _sessionId + b.ToString("x2");
}
}
// public override bool ValidateUserInformation(string uname, string pword);
public ushort UserInfo(string uname, string pword) // processor must have adlogin and an AD User defined in a group
{
ushort numBack = 0;
Authentication.UserInformation myUser = new Authentication.UserInformation();
myUser = Authentication.ValidateUserInformation(uname, pword);
CrestronConsole.PrintLine("Results of auth check.. Authenticated = {0}, User = {1}, Access = {2}.", myUser.Authenticated, myUser.UserName, myUser.Access);
if (myUser.Authenticated)
{
numBack = 1;
}
else
{
numBack = 0;
}
return(numBack);
}
