[csharp-netcore]Http signing for csharp-netcore sdk (#7437)

* HTTPSigning implementation for CSharpSDK

* Updated the sample for HTTPSigning

* Updated the sample2 for HTTPSigning

* update samples

* HTTPSigning_For_Async

* update samples

Co-authored-by: William Cheng <[email protected]>

Author: Ghufz

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CSharpNetCoreClientCodegen.java

@@ -610,6 +610,7 @@ public void processOpts() {
         supportingFiles.add(new SupportingFile("OpenAPIDateConverter.mustache", clientPackageDir, "OpenAPIDateConverter.cs"));
         supportingFiles.add(new SupportingFile("ClientUtils.mustache", clientPackageDir, "ClientUtils.cs"));
         supportingFiles.add(new SupportingFile("HttpMethod.mustache", clientPackageDir, "HttpMethod.cs"));
+        supportingFiles.add(new SupportingFile("HTTPSigningConfiguration.mustache",clientPackageDir,"HTTPSigningConfiguration.cs"));
         if (supportsAsync) {
             supportingFiles.add(new SupportingFile("IAsynchronousClient.mustache", clientPackageDir, "IAsynchronousClient.cs"));
         }

modules/openapi-generator/src/main/resources/csharp-netcore/Configuration.mustache

@@ -83,6 +83,10 @@ namespace {{packageName}}.Client
         private string _dateTimeFormat = ISO8601_DATETIME_FORMAT;
         private string _tempFolderPath = Path.GetTempPath();
 
+        /// <summary>
+		/// HTTPSigning configuration
+		/// </summary>
+		private HTTPSigningConfiguration _HTTPSigningConfiguration = null;
         #endregion Private Members
 
         #region Constructors
@@ -334,6 +338,15 @@ namespace {{packageName}}.Client
             }
         }
 
+        /// <summary>
+		/// Gets and Sets the HTTPSigningConfiuration
+		/// </summary>
+		public HTTPSigningConfiguration HTTPSigningConfiguration
+		{
+			get { return _HTTPSigningConfiguration; }
+			set { _HTTPSigningConfiguration = value; }
+		}
+
         #endregion Properties
 
         #region Methods
@@ -411,7 +424,8 @@ namespace {{packageName}}.Client
                 Password = second.Password ?? first.Password,
                 AccessToken = second.AccessToken ?? first.AccessToken,
                 TempFolderPath = second.TempFolderPath ?? first.TempFolderPath,
-                DateTimeFormat = second.DateTimeFormat ?? first.DateTimeFormat
+                DateTimeFormat = second.DateTimeFormat ?? first.DateTimeFormat,
+                HTTPSigningConfiguration = second.HTTPSigningConfiguration ?? first.HTTPSigningConfiguration
             };
             return config;
         }