[async-request-reply] This change updates the Function App to use HTTPS instead of HTTP. (#439)

* Update URLs to use HTTPS and set environment for Azure Functions

* Remove redundant AZURE_FUNCTIONS_ENVIRONMENT setting from local.settings.json

Author: v-federicoar

async-request-reply/README.md

@@ -98,7 +98,7 @@ The typical way to generate a SAS token in code requires the storage account key
     Content-Length: 155
     Content-Type: application/json; charset=utf-8
     Date: Wed, 13 Dec 2023 20:18:55 GMT
-    Location: http://<appservice-name>.azurewebsites.net/api/RequestStatus/<guid>
+    Location: https://<appservice-name>.azurewebsites.net/api/RequestStatus/<guid>
    ```
 
    Using a browser open the url from the _Location_ field in the response. A file with the data you have sent will be downloaded.

async-request-reply/deploy.bicep

@@ -202,6 +202,10 @@ resource functionApp 'Microsoft.Web/sites@2025-03-01' = {
           name: 'DataStorage__blobServiceUri'
           value: 'https://${dataStorageAccount.name}.blob.${environment().suffixes.storage}'
         }
+        {
+          name: 'AZURE_FUNCTIONS_ENVIRONMENT'
+          value: 'Production'
+        }
       ]
     }
     functionAppConfig: {

async-request-reply/src/AsyncOperationStatusChecker.cs

@@ -27,7 +27,8 @@ public async Task<IActionResult> Run([HttpTrigger(AuthorizationLevel.Anonymous,
             else
             {
                 // ** If it's NOT present, then we need to back off, so depending on the value of the optional "OnPending" parameter choose what to do. **
-                string rqs = $"http://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/api/RequestStatus/{thisGUID}";
+                string scheme = Environment.GetEnvironmentVariable("AZURE_FUNCTIONS_ENVIRONMENT") == "Development" ? "http" : "https";
+                string rqs = $"{scheme}://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/api/RequestStatus/{thisGUID}";
 
                 switch (OnPending)
                 {

async-request-reply/src/AsyncProcessingWorkAcceptor.cs

@@ -18,8 +18,8 @@ public async Task<IActionResult> RunAsync([HttpTrigger(AuthorizationLevel.Anonym
             }
 
             var reqid = Guid.NewGuid().ToString();
-
-            var rqs = $"http://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/api/RequestStatus/{reqid}";
+            string scheme = Environment.GetEnvironmentVariable("AZURE_FUNCTIONS_ENVIRONMENT") == "Development" ? "http" : "https";
+            var rqs = $"{scheme}://{Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME")}/api/RequestStatus/{reqid}";
 
             var messagePayload = JsonConvert.SerializeObject(customer);
             var message = new ServiceBusMessage(messagePayload);