public async Task RunSampleAsync()
{
// When registering with a symmetric key using a group enrollment, the provided key will not
// work for a specific device, rather it must be computed based on two values: the group enrollment
// key and the desired device Id.
if (_parameters.EnrollmentType == EnrollmentType.Group)
{
_parameters.PrimaryKey = ComputeDerivedSymmetricKey(_parameters.PrimaryKey, _parameters.Id);
}
Console.WriteLine($"Initializing the device provisioning client...");
// For individual enrollments, the first parameter must be the registration Id, where in the enrollment
// the device Id is already chosen. However, for group enrollments the device Id can be requested by
// the device, as long as the key has been computed using that value.
// Also, the secondary could could be included, but was left out for the simplicity of this sample.
using var security = new SecurityProviderSymmetricKey(
_parameters.Id,
_parameters.PrimaryKey,
null);
using var transportHandler = GetTransportHandler();
ProvisioningDeviceClient provClient = ProvisioningDeviceClient.Create(
_parameters.GlobalDeviceEndpoint,
_parameters.IdScope,
security,
transportHandler);
Console.WriteLine($"Initialized for registration Id {security.GetRegistrationID()}.");
Console.WriteLine("Registering with the device provisioning service...");
DeviceRegistrationResult result = await provClient.RegisterAsync();
Console.WriteLine($"Registration status: {result.Status}.");
if (result.Status != ProvisioningRegistrationStatusType.Assigned)
{
Console.WriteLine($"Registration status did not assign a hub, so exiting this sample.");
return;
}
Console.WriteLine($"Device {result.DeviceId} registered to {result.AssignedHub}.");
Console.WriteLine("Creating symmetric key authentication for IoT Hub...");
IAuthenticationMethod auth = new DeviceAuthenticationWithRegistrySymmetricKey(
result.DeviceId,
security.GetPrimaryKey());
Console.WriteLine($"Testing the provisioned device with IoT Hub...");
using DeviceClient iotClient = DeviceClient.Create(result.AssignedHub, auth, _parameters.TransportType);
Console.WriteLine("Sending a telemetry message...");
using var message = new Message(Encoding.UTF8.GetBytes("TestMessage"));
await iotClient.SendEventAsync(message);
Console.WriteLine("Finished.");
}
private async Task <DeviceRegistrationResult> RegisterDeviceAsync(SecurityProviderSymmetricKey security)
{
_logger.LogInformation("{time} - Register device...", DateTimeOffset.Now);
using (var transport = new ProvisioningTransportHandlerMqtt(TransportFallbackType.TcpOnly))
{
ProvisioningDeviceClient provClient = ProvisioningDeviceClient.Create(_globalDeviceEndpoint, _scopeID, security, transport);
_logger.LogInformation($"{DateTimeOffset.Now} - RegistrationID = {security.GetRegistrationID()}");
DeviceRegistrationResult result = await provClient.RegisterAsync();
_logger.LogInformation($"{DateTimeOffset.Now} - ProvisioningClient AssignedHub: {result.AssignedHub}; DeviceID: {result.DeviceId}");
return(result);
}
}
public async Task <IoTHubDeviceClient> ProvisionDeviceAsync()
{
string connectionKey;
IoTHubDeviceClient iotHubClient = null;
Console.WriteLine("Provisioning...");
if (!String.IsNullOrEmpty(_deviceId) && !String.IsNullOrEmpty(s_sasKey) && !String.IsNullOrEmpty(s_idScope))
{
connectionKey = GenerateSymmetricKey();
Console.WriteLine($"Connection Key : {connectionKey}");
using (var securityProvider = new SecurityProviderSymmetricKey(_deviceId, connectionKey, null))
using (var transport = new ProvisioningTransportHandlerMqtt(TransportFallbackType.TcpOnly))
{
_provClient = ProvisioningDeviceClient.Create(s_global_endpoint, s_idScope, securityProvider, transport);
// Sanity check
Console.WriteLine($"Device ID : {securityProvider.GetRegistrationID()}");
DeviceRegistrationResult result = await _provClient.RegisterAsync().ConfigureAwait(false);
if (result.Status == ProvisioningRegistrationStatusType.Assigned)
{
Console.WriteLine($"Provisioned : {result.Status}");
Console.WriteLine($" Device ID : {result.DeviceId}");
Console.WriteLine($" IoT Hub : {result.AssignedHub}");
IAuthenticationMethod authenticationMethod = new DeviceAuthenticationWithRegistrySymmetricKey(result.DeviceId, securityProvider.GetPrimaryKey());
iotHubClient = new IoTHubDeviceClient(result.AssignedHub, authenticationMethod);
}
else
{
Console.WriteLine($"Err : Provisioning Failed {result.Status}");
}
}
}
else
{
Console.WriteLine("Please set following Environment Variables");
Console.WriteLine("DPS_IDSCOPE : ID Scope");
Console.WriteLine("SAS_KEY : SAS Key");
}
return(iotHubClient);
}
public static async Task <DeviceRegistrationResult> RegisterDeviceAsync(SecurityProviderSymmetricKey security)
{
Console.WriteLine("Register device...");
using (var transport = new ProvisioningTransportHandlerMqtt(TransportFallbackType.TcpOnly))
{
ProvisioningDeviceClient provClient =
ProvisioningDeviceClient.Create(GlobalDeviceEndpoint, ScopeID, security, transport);
Console.WriteLine($"RegistrationID = {security.GetRegistrationID()}");
Console.Write("ProvisioningClient RegisterAsync...");
DeviceRegistrationResult result = await provClient.RegisterAsync();
Console.WriteLine($"{result.Status}");
return(result);
}
}
public override AmqpSettings CreateAmqpSettings(string idScope)
{
var settings = new AmqpSettings();
var saslProvider = new SaslTransportProvider();
saslProvider.Versions.Add(AmqpConstants.DefaultProtocolVersion);
settings.TransportProviders.Add(saslProvider);
SaslPlainHandler saslHandler = new SaslPlainHandler();
saslHandler.AuthenticationIdentity = $"{idScope}/registrations/{_security.GetRegistrationID()}";
string key = _security.GetPrimaryKey();
saslHandler.Password = ProvisioningSasBuilder.BuildSasSignature("registration", key, saslHandler.AuthenticationIdentity, TimeSpan.FromDays(1));
saslProvider.AddHandler(saslHandler);
return(settings);
}
public async Task RunSampleAsync()
{
Console.WriteLine($"Initializing the device provisioning client...");
using var security = new SecurityProviderSymmetricKey(
this.id,
this.key,
null);
using var transportHandler = new ProvisioningTransportHandlerAmqp();
ProvisioningDeviceClient provClient = ProvisioningDeviceClient.Create(
"global.azure-devices-provisioning.net",
this.idScope,
security,
transportHandler);
Console.WriteLine($"Initialized for registration Id {security.GetRegistrationID()}.");
Console.WriteLine("Registering with the device provisioning service...");
DeviceRegistrationResult device = await provClient.RegisterAsync();
Console.WriteLine($"Registration status: {device.Status}.");
if (device.Status != ProvisioningRegistrationStatusType.Assigned)
{
Console.WriteLine($"Registration status did not assign a hub, so exiting this sample.");
return;
}
Console.WriteLine($"Device {device.DeviceId} registered to {device.AssignedHub}.");
Console.WriteLine("Creating symmetric key authentication for IoT Hub...");
IAuthenticationMethod auth = new DeviceAuthenticationWithRegistrySymmetricKey(
device.DeviceId,
security.GetPrimaryKey());
await SendDeviceToCloudMessagesAsync(device, auth);
Console.WriteLine("Finished.");
}
public async Task <DeviceRegistrationResult> RegisterDeviceAsync(SecurityProviderSymmetricKey security)
{
Console.WriteLine("Register device...");
billingloginS = _BillingData.GetSubscriber_IDlogin(User.Identity.Name);
if (billingloginS == null)
{
return(null);
}
int Subscriber_ID = 0;
Subscriber_ID = billingloginS.Subscriber_ID;
if (Subscriber_ID > 0)
{
IOTDEviceDetail = _DeviceData.GetIOTDEviceDetailsBySubscriberId(Subscriber_ID);
}
if (IOTDEviceDetail == null)
{
return(null);
}
using (var transport = new ProvisioningTransportHandlerMqtt(TransportFallbackType.WebSocketOnly))
{
ProvisioningDeviceClient provClient =
ProvisioningDeviceClient.Create(GlobalDeviceEndpoint, IOTDEviceDetail.ScopeID, security, transport);
Console.WriteLine($"RegistrationID = {security.GetRegistrationID()}");
Console.Write("ProvisioningClient RegisterAsync...");
DeviceRegistrationResult result = await provClient.RegisterAsync();
Console.WriteLine($"{result.Status}");
return(result);
}
}
public async Task <string> ProvisionDevice()
{
string result = string.Empty;
string logPrefix = "DPSProvisioningService.ProvisionDevice".BuildLogPrefix();
// When registering with a symmetric key using a group enrollment, the provided key will not
// work for a specific device, rather it must be computed based on two values: the group enrollment
// key and the desired device Id.
if (_dpsSettings.EnrollmentType == EnrollmentType.Group)
{
if (_dpsSettings.GroupEnrollment == null)
{
throw new ArgumentNullException("_dpsSettings.GroupEnrollment", "No group enrollment settings have been found.");
}
if (_dpsSettings.GroupEnrollment.SecurityType == SecurityType.SymmetricKey)
{
_dpsSettings.GroupEnrollment.SymmetricKeySettings.PrimaryKey = ProvisioningTools.ComputeDerivedSymmetricKey(_dpsSettings.GroupEnrollment.SymmetricKeySettings.PrimaryKey, _deviceSettingsDelegate.CurrentValue.DeviceId);
}
}
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Initializing the device provisioning client...");
// For individual enrollments, the first parameter must be the registration Id, where in the enrollment
// the device Id is already chosen. However, for group enrollments the device Id can be requested by
// the device, as long as the key has been computed using that value.
// Also, the secondary could could be included, but was left out for the simplicity of this sample.
using (var security = new SecurityProviderSymmetricKey(_deviceSettingsDelegate.CurrentValue.DeviceId, _dpsSettings.GroupEnrollment.SymmetricKeySettings.PrimaryKey, null))
{
using (var transportHandler = ProvisioningTools.GetTransportHandler(_dpsSettings.GroupEnrollment.SymmetricKeySettings.TransportType))
{
ProvisioningDeviceClient provClient = ProvisioningDeviceClient.Create(
_dpsSettings.GroupEnrollment.SymmetricKeySettings.GlobalDeviceEndpoint,
_dpsSettings.GroupEnrollment.SymmetricKeySettings.IdScope,
security,
transportHandler);
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Initialized for registration Id {security.GetRegistrationID()}.");
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Registering with the device provisioning service...");
DeviceRegistrationResult deviceRegistrationResult = await provClient.RegisterAsync();
if (deviceRegistrationResult != null)
{
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Registration status: {deviceRegistrationResult.Status}.");
if (deviceRegistrationResult.Status != ProvisioningRegistrationStatusType.Assigned)
{
_logger.LogWarning($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Device registration process did not assign an IoT Hub.");
}
else
{
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Device {deviceRegistrationResult.DeviceId} registered to {deviceRegistrationResult.AssignedHub}.");
_logger.LogDebug($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::Creating symmetric key authentication for IoT Hub...");
var devicePrimaryKey = security.GetPrimaryKey();
//IAuthenticationMethod auth = new DeviceAuthenticationWithRegistrySymmetricKey(deviceRegistrationResult.DeviceId, devicePrimaryKey);
//_logger.LogDebug($"{logPrefix}::{_deviceSettings.ArtifactId}::Testing the provisioned device with IoT Hub...");
//using (DeviceClient iotClient = DeviceClient.Create(deviceRegistrationResult.AssignedHub, auth, _dpsSettings.GroupEnrollment.SymmetricKeySettings.TransportType))
//{
// _logger.LogDebug($"{logPrefix}::{_deviceSettings.ArtifactId}::Sending a telemetry message after provisioning to test the process...");
// using var message = new Message(Encoding.UTF8.GetBytes("TestMessage"));
// await iotClient.SendEventAsync(message);
// _logger.LogDebug($"{logPrefix}::{_deviceSettings.ArtifactId}::Finished.");
//}
result = $"HostName={deviceRegistrationResult.AssignedHub};DeviceId={deviceRegistrationResult.DeviceId};SharedAccessKey={devicePrimaryKey}";
}
}
else
{
_logger.LogError($"{logPrefix}::{_deviceSettingsDelegate.CurrentValue.ArtifactId}::No provisioning result has been received.");
}
}
}
return(result);
}
public override DeviceRegistration CreateDeviceRegistration()
{
return(new DeviceRegistration(_security.GetRegistrationID()));
}
