/// <summary>
        /// Sign the given payload using the Worload API of the locasl Security Deamon.async
        /// The signed payload is returned as Base64 string.
        /// </summary>
        static async Task <string> SignAsync(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);
        }
Esempio n. 2
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        /// <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
            {
            }
        }
Esempio n. 3
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 /// <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));
 }