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,
});
}
public RegisterResponseModel Post(RegisterRequestModel model)
{
// Validate onboarding token if required
if (IsOnboardingTokenEnabled && OnboardingToken != model.OnboardingToken)
{
// Onboarding token enabled, no match found, reject registration
return(new RegisterResponseModel
{
IsSuccessful = false,
});
}
// Register new user, token either matches or is not needed
var password = GenerateRandomString(32); // Generate password, length 32 chars
var user = new MqttUser
{
Identity = "id-" + GenerateRandomString(61), // Generate identity, length 64 chars
Username = "******" + GenerateRandomString(29), // Generate username, length 32 chars
Password = BCrypt.Net.BCrypt.HashPassword(password), // Hash password
LastHandshakeAt = DateTime.Now,
};
dbContext.MqttUsers.Add(user);
dbContext.SaveChanges();
// Add ACL
var userAclPub = new MqttUserAccessControlListItem
{
MqttUserId = user.Id,
Type = MqttUserAccessControlListItem.TypePublish,
TopicPattern = "#",
};
var userAclSub = new MqttUserAccessControlListItem
{
MqttUserId = user.Id,
Type = MqttUserAccessControlListItem.TypeSubscibe,
TopicPattern = "#",
};
dbContext.MqttUserAccessControlListItems.Add(userAclPub);
dbContext.MqttUserAccessControlListItems.Add(userAclSub);
// Add handshake
var userHandshake = new MqttUserHandshake
{
MqttUserId = user.Id,
HandshakeAt = user.LastHandshakeAt,
};
dbContext.MqttUserHandshakes.Add(userHandshake);
dbContext.SaveChanges();
// Return credentials
return(new RegisterResponseModel
{
IsSuccessful = true,
Identity = user.Identity,
Username = user.Username,
Password = password,
});
}
