Fixed asign private container instead of default route key

Author: rsoeteman

src/.nuget/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="StyleCop.Analyzers" version="1.0.0" />
+</packages>

src/UmbracoFileSystemProviders.Azure/AzureBlobFileSystem.cs

@@ -44,6 +44,11 @@ public class AzureBlobFileSystem : IFileSystem
         /// </summary>
         private const string UseDefaultRootKey = Constants.Configuration.UseDefaultRouteKey;
 
+        /// <summary>
+        /// The configuration key for determining whether the container should be private.
+        /// </summary>
+        private const string UsePrivateContainerKey = Constants.Configuration.UsePrivateContainer;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="AzureBlobFileSystem"/> class.
         /// </summary>
@@ -115,12 +120,14 @@ public AzureBlobFileSystem(string alias)
                     useDefaultRoute = "true";
                 }
 
-                string accessType = ConfigurationManager.AppSettings[$"{UseDefaultRootKey}:{alias}"];
-                if (string.IsNullOrWhiteSpace(useDefaultRoute))
+                string accessType = ConfigurationManager.AppSettings[$"{UsePrivateContainerKey}:{alias}"];
+                if (string.IsNullOrWhiteSpace(accessType))
                 {
-                    useDefaultRoute = "true";
+                    accessType = "true";
                 }
 
+                this.FileSystem = AzureFileSystem.GetInstance(containerName, rootUrl, connectionString, maxDays, useDefaultRoute, accessType);
+
 
                 this.FileSystem = AzureFileSystem.GetInstance(containerName, rootUrl, connectionString, maxDays, useDefaultRoute,accessType);
             }

src/UmbracoFileSystemProviders.Azure/Constants.cs

@@ -54,6 +54,11 @@ public static class Configuration
             /// The configuration key for providing the Use Default Root value via the web.config
             /// </summary>
             public const string UseDefaultRouteKey = "AzureBlobFileSystem.UseDefaultRoute";
+
+            /// <summary>
+            /// The configuration key for providing the Use Private Container value via the web.config
+            /// </summary>
+            public const string UsePrivateContainer = "AzureBlobFileSystem.UsePrivateContainer";
         }
     }
 }