/// <summary>
/// Sign the given payload using the Worload API of the locasl Security Deamon.async
/// The signed payload is returned as Base64 string.
/// </summary>
private async Task <string> SignStringWithModuleKeyAsync(string payload)
{
string generationId = Environment.GetEnvironmentVariable(ModuleGenerationIdVariableName);
Uri workloadUri = new Uri(Environment.GetEnvironmentVariable(WorkloadUriVariableName));
string signedPayload = string.Empty;
using (HttpClient httpClient = Microsoft.Azure.Devices.Edge.Util.HttpClientHelper.GetHttpClient(workloadUri))
{
httpClient.BaseAddress = new Uri(Microsoft.Azure.Devices.Edge.Util.HttpClientHelper.GetBaseUrl(workloadUri));
var workloadClient = new WorkloadClient(httpClient);
var signRequest = new SignRequest()
{
KeyId = "primary", // or "secondary"
Algo = SignRequestAlgo.HMACSHA256,
Data = Encoding.UTF8.GetBytes(payload)
};
var signResponse = await workloadClient.SignAsync(WorkloadApiVersion, _edgeModuleId, generationId, signRequest);
signedPayload = Convert.ToBase64String(signResponse.Digest);
}
return(signedPayload);
}
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <param name="api_version">The version of the API.</param>
/// <param name="name">The name of the module on whose behalf the payload will be signed. (urlencoded)</param>
/// <param name="genid">The generation identifier for the module as generated by IoT Hub.</param>
/// <param name="payload">The data to be signed.</param>
/// <returns>Ok</returns>
/// <exception cref="ApiException">A server side error occurred.</exception>
public async System.Threading.Tasks.Task <SignResponse> SignAsync(string api_version, string name, string genid, SignRequest payload, System.Threading.CancellationToken cancellationToken)
{
if (name == null)
{
throw new System.ArgumentNullException("name");
}
if (genid == null)
{
throw new System.ArgumentNullException("genid");
}
if (api_version == null)
{
throw new System.ArgumentNullException("api_version");
}
var urlBuilder_ = new System.Text.StringBuilder();
urlBuilder_.Append(BaseUrl != null ? BaseUrl.TrimEnd('/') : "").Append("/modules/{name}/genid/{genid}/sign?");
urlBuilder_.Replace("{name}", System.Uri.EscapeDataString(ConvertToString(name, System.Globalization.CultureInfo.InvariantCulture)));
urlBuilder_.Replace("{genid}", System.Uri.EscapeDataString(ConvertToString(genid, System.Globalization.CultureInfo.InvariantCulture)));
urlBuilder_.Append(System.Uri.EscapeDataString("api-version") + "=").Append(System.Uri.EscapeDataString(ConvertToString(api_version, System.Globalization.CultureInfo.InvariantCulture))).Append("&");
urlBuilder_.Length--;
var client_ = _httpClient;
try
{
using (var request_ = new System.Net.Http.HttpRequestMessage())
{
var content_ = new System.Net.Http.StringContent(Newtonsoft.Json.JsonConvert.SerializeObject(payload, _settings.Value));
content_.Headers.ContentType = System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json");
request_.Content = content_;
request_.Method = new System.Net.Http.HttpMethod("POST");
request_.Headers.Accept.Add(System.Net.Http.Headers.MediaTypeWithQualityHeaderValue.Parse("application/json"));
PrepareRequest(client_, request_, urlBuilder_);
var url_ = urlBuilder_.ToString();
request_.RequestUri = new System.Uri(url_, System.UriKind.RelativeOrAbsolute);
PrepareRequest(client_, request_, url_);
var response_ = await client_.SendAsync(request_, System.Net.Http.HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
try
{
var headers_ = System.Linq.Enumerable.ToDictionary(response_.Headers, h_ => h_.Key, h_ => h_.Value);
if (response_.Content != null && response_.Content.Headers != null)
{
foreach (var item_ in response_.Content.Headers)
{
headers_[item_.Key] = item_.Value;
}
}
ProcessResponse(client_, response_);
var status_ = ((int)response_.StatusCode).ToString();
if (status_ == "200")
{
var objectResponse_ = await ReadObjectResponseAsync <SignResponse>(response_, headers_).ConfigureAwait(false);
return(objectResponse_.Object);
}
else
if (status_ == "404")
{
var objectResponse_ = await ReadObjectResponseAsync <ErrorResponse>(response_, headers_).ConfigureAwait(false);
throw new ApiException <ErrorResponse>("Not Found", (int)response_.StatusCode, objectResponse_.Text, headers_, objectResponse_.Object, null);
}
else
{
var objectResponse_ = await ReadObjectResponseAsync <ErrorResponse>(response_, headers_).ConfigureAwait(false);
throw new ApiException <ErrorResponse>("Error", (int)response_.StatusCode, objectResponse_.Text, headers_, objectResponse_.Object, null);
}
}
finally
{
if (response_ != null)
{
response_.Dispose();
}
}
}
}
finally
{
}
}
/// <param name="api_version">The version of the API.</param>
/// <param name="name">The name of the module on whose behalf the payload will be signed. (urlencoded)</param>
/// <param name="genid">The generation identifier for the module as generated by IoT Hub.</param>
/// <param name="payload">The data to be signed.</param>
/// <returns>Ok</returns>
/// <exception cref="ApiException">A server side error occurred.</exception>
public System.Threading.Tasks.Task <SignResponse> SignAsync(string api_version, string name, string genid, SignRequest payload)
{
return(SignAsync(api_version, name, genid, payload, System.Threading.CancellationToken.None));
}