public HandshakeResponseModel CreateHandshakeResponseObject(HandshakeRequestModel request) //on the server
{
if (!ServerMode)
{
throw new Exception("Calling serverside encryption method from client.");
}
HandshakeInitiated = true;
return(new HandshakeResponseModel
{
ClientSecret = Hashing.Sha256(request.ClientSecret),
PublicKey = Handshake.GetPublicKey(),
Data = Handshake.Encrypt(request.PublicKey, PrivateKey)
});
}
public HandshakeResponseModel Post(HandshakeRequestModel model)
{
// Check if we have an identity token
if (string.IsNullOrEmpty(model.Identity))
{
return(new HandshakeResponseModel
{
IsSuccessful = false,
});
}
// Process as handshake, matching identity token
var user = dbContext.MqttUsers
.Where(x => x.Identity == model.Identity)
.FirstOrDefault();
// Check if user is found
if (user == null)
{
return(new HandshakeResponseModel
{
IsSuccessful = false,
});
}
// Add handshake
user.LastHandshakeAt = DateTime.Now;
var userHandshake = new MqttUserHandshake
{
MqttUserId = user.Id,
HandshakeAt = user.LastHandshakeAt,
};
dbContext.MqttUserHandshakes.Add(userHandshake);
dbContext.SaveChanges();
return(new HandshakeResponseModel
{
IsSuccessful = true,
});
}
