/// <summary>
/// Creates a <see cref="RestClient"/> using a given <see cref="AuthenticationData"/>
/// </summary>
/// <param name="authenticationData">The data from which the instance will be created</param>
public static RestClient CreateFrom(AuthenticationData authenticationData)
{
switch (authenticationData.Type)
{
case AuthenticationMethodProvider.AuthenticationType.SymmetricKey:
{
// Getting a specific module using REST with SAS token authentication
string key = AuthenticationFileUtils.GetBase64EncodedSymmetricKeyFromFile(authenticationData.FilePath);
string keyTarget = authenticationData.Identity == AuthenticationMethodProvider.AuthenticationIdentity.Device ?
authenticationData.GatewayHostName : // Device Sas Token
$"{authenticationData.IdScope}/registrations/{authenticationData.RegistrationId}"; // DPS Sas Token
string sasToken = GenerateSaSToken(key, keyTarget, TimeSpan.FromMinutes(_sasTokenTtl));
var restClient = new RestClient(authenticationData.GatewayHostName, sasToken);
return(restClient);
}
case AuthenticationMethodProvider.AuthenticationType.SelfSignedCertificate:
{
X509Certificate2 cert = CertificateLoader.Load(authenticationData.CertificateLocation.Value, authenticationData.FilePath);
var restClient = new RestClient(authenticationData.GatewayHostName, cert);
return(restClient);
}
default:
throw new ArgumentOutOfRangeException(nameof(authenticationData.Type), authenticationData.Type, "Unsupported authentication type");
}
}
/// <summary>
/// Returns the connection string from the configuration file
/// </summary>
/// <returns>Connection String</returns>
public override string GetConnectionString()
{
string key = AuthenticationFileUtils.GetBase64EncodedSymmetricKeyFromFile(AuthenticationData.FilePath);
return(CreateModuleConnectionString(AuthenticationData.GatewayHostName, AuthenticationData.DeviceId, key));
}
