Update BlobStorage to use Azure.Storage.Blobs

core/Piranha.Azure.BlobStorage/BlobStorage.cs

@@ -8,30 +8,22 @@
  *
  */
 
-using Microsoft.Azure.Storage;
-using Microsoft.Azure.Storage.Auth;
-using Microsoft.Azure.Storage.Blob;
+using System;
+using System.IO;
 using System.Threading.Tasks;
+using Azure.Core;
+using Azure.Storage.Blobs;
+using Azure.Storage.Blobs.Models;
 using Piranha.Models;
 
 namespace Piranha.Azure
 {
-    public class BlobStorage : IStorage
+    public class BlobStorage : IStorage, IInitializable
     {
         /// <summary>
         /// The private storage account.
         /// </summary>
-        private readonly CloudStorageAccount _storage;
-
-        /// <summary>
-        /// The name of the container to use.
-        /// </summary>
-        private readonly string _containerName;
-
-        /// <summary>
-        /// The container url.
-        /// </summary>
-        private string _containerUrl;
+        private readonly BlobContainerClient _blobContainerClient;
 
         /// <summary>
         /// How uploaded files should be named to
@@ -42,16 +34,18 @@ public class BlobStorage : IStorage
         /// <summary>
         /// Creates a new Blog Storage service from the given credentials.
         /// </summary>
-        /// <param name="credentials">The connection credentials</param>
-        /// <param name="containerName">The container name</param>
+        /// <param name="blobContainerUri">
+        /// A <see cref="Uri"/> referencing the blob service.
+        /// This is likely to be similar to "https://{account_name}.blob.core.windows.net".
+        /// </param>
+        /// <param name="tokenCredential">The connection credentials</param>
         /// <param name="naming">How uploaded media files should be named</param>
         public BlobStorage(
-            StorageCredentials credentials,
-            string containerName = "uploads",
+            Uri blobContainerUri,
+            TokenCredential tokenCredential,
             BlobStorageNaming naming = BlobStorageNaming.UniqueFileNames)
         {
-            _storage = new CloudStorageAccount(credentials, true);
-            _containerName = containerName;
+            _blobContainerClient = new BlobContainerClient(blobContainerUri, tokenCredential);
             _naming = naming;
         }
 
@@ -66,33 +60,10 @@ public BlobStorage(
             string containerName = "uploads",
             BlobStorageNaming naming = BlobStorageNaming.UniqueFileNames)
         {
-            _storage = CloudStorageAccount.Parse(connectionString);
-            _containerName = containerName;
+            _blobContainerClient = new BlobContainerClient(connectionString, containerName);
             _naming = naming;
         }
 
-        /// <summary>
-        /// Opens a new storage session.
-        /// </summary>
-        /// <returns>A new open session</returns>
-        public async Task<IStorageSession> OpenAsync()
-        {
-            var session = _storage.CreateCloudBlobClient();
-            var container = session.GetContainerReference(_containerName);
-
-            if (!await container.ExistsAsync())
-            {
-                await container.CreateAsync();
-                await container.SetPermissionsAsync(new BlobContainerPermissions
-                {
-                    PublicAccess = BlobContainerPublicAccessType.Blob
-                });
-            }
-            _containerUrl = container.Uri.AbsoluteUri;
-
-            return new BlobStorageSession(this, container, _naming);
-        }
-
         /// <summary>
         /// Gets the public URL for the given media object.
         /// </summary>
@@ -101,18 +72,7 @@ await container.SetPermissionsAsync(new BlobContainerPermissions
         /// <returns>The public url</returns>
         public string GetPublicUrl(Media media, string id)
         {
-            if (media != null && !string.IsNullOrWhiteSpace(id))
-            {
-                if (string.IsNullOrEmpty(_containerUrl))
-                {
-                    var session = _storage.CreateCloudBlobClient();
-                    var container = session.GetContainerReference(_containerName);
-
-                    _containerUrl = container.Uri.AbsoluteUri;
-                }
-                return $"{ _containerUrl }/{ GetResourceName(media, id, true) }";
-            }
-            return null;
+            return string.IsNullOrWhiteSpace(id) ? default : $"{_blobContainerClient.Uri.AbsoluteUri}/{GetResourceName(media, id, true)}";
         }
 
         /// <summary>
@@ -135,14 +95,73 @@ public string GetResourceName(Media media, string filename)
         /// <returns>The public url</returns>
         public string GetResourceName(Media media, string filename, bool encode)
         {
-            if (_naming == BlobStorageNaming.UniqueFileNames)
-            {
-                return $"{ media.Id }-{ (encode ? System.Web.HttpUtility.UrlPathEncode(filename) : filename) }";
-            }
-            else
-            {
-                return $"{ media.Id }/{ (encode ? System.Web.HttpUtility.UrlPathEncode(filename) : filename) }";
-            }
+            return _naming == BlobStorageNaming.UniqueFileNames ? $"{media.Id}-{(encode ? System.Web.HttpUtility.UrlPathEncode(filename) : filename)}" : $"{media.Id}/{(encode ? System.Web.HttpUtility.UrlPathEncode(filename) : filename)}";
+        }
+
+        /// <summary>
+        /// Writes the content for the specified media content to the given stream.
+        /// </summary>
+        /// <param name="media">The media file</param>
+        /// <param name="filename">The file name</param>
+        /// <param name="stream">The output stream</param>
+        /// <returns>If the media was found</returns>
+        public async Task<bool> GetAsync(Media media, string filename, Stream stream)
+        {
+            var blob = _blobContainerClient.GetBlobClient(GetResourceName(media, filename));
+
+            return await blob.ExistsAsync() && (await blob.DownloadToAsync(stream)).Status.IsSuccessStatusCode();
+        }
+
+        /// <summary>
+        /// Stores the given media content.
+        /// </summary>
+        /// <param name="media">The media file</param>
+        /// <param name="filename">The file name</param>
+        /// <param name="contentType">The content type</param>
+        /// <param name="stream">The input stream</param>
+        /// <returns>The public URL</returns>
+        public async Task<string> PutAsync(Media media, string filename, string contentType, Stream stream)
+        {
+            var blob = _blobContainerClient.GetBlobClient(GetResourceName(media, filename));
+
+            var blobHttpHeader = new BlobHttpHeaders {ContentType = contentType};
+
+            await blob.UploadAsync(stream, blobHttpHeader);
+
+            return blob.Uri.AbsoluteUri;
+        }
+
+        /// <summary>
+        /// Stores the given media content.
+        /// </summary>
+        /// <param name="media">The media file</param>
+        /// <param name="filename">The file name</param>
+        /// <param name="contentType">The content type</param>
+        /// <param name="bytes">The binary data</param>
+        /// <returns>The public URL</returns>
+        public async Task<string> PutAsync(Media media, string filename, string contentType, byte[] bytes)
+        {
+            return await PutAsync(media, filename, contentType, new MemoryStream(bytes));
+        }
+
+        /// <summary>
+        /// Deletes the content for the specified media.
+        /// </summary>
+        /// <param name="media">The media file</param>
+        /// <param name="filename">The file name</param>
+        public async Task<bool> DeleteAsync(Media media, string filename)
+        {
+            var blob = _blobContainerClient.GetBlobClient(GetResourceName(media, filename));
+
+            return await blob.DeleteIfExistsAsync();
+        }
+
+        /// <summary>
+        /// Initialize the Blob Storage service by ensuring that the Blob Container exists.
+        /// </summary>
+        public void Init()
+        {
+            _blobContainerClient.CreateIfNotExists(PublicAccessType.Blob);
         }
     }
 }

core/Piranha.Azure.BlobStorage/BlobStorageExtensions.cs

@@ -8,8 +8,9 @@
  *
  */
 
+using System;
+using Azure.Core;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Azure.Storage.Auth;
 using Piranha;
 using Piranha.Azure;
 
@@ -19,23 +20,28 @@ public static class BlobStorageExtensions
     /// Adds the Azure BlobStorage module.
     /// </summary>
     /// <param name="serviceBuilder">The service builder</param>
-    /// <param name="credentials">The auth credentials</param>
-    /// <param name="containerName">The optional container name</param>
+    /// <param name="credential">
+    /// The token credential used to sign requests.
+    /// </param>
+    /// <param name="blobContainerUri">
+    /// A <see cref="Uri"/> referencing the blob service.
+    /// This is likely to be similar to "https://{account_name}.blob.core.windows.net".
+    /// </param>
     /// <param name="naming">How uploaded media files should be named</param>
     /// <param name="scope">The optional service scope. Default is singleton</param>
     /// <returns>The service collection</returns>
     public static PiranhaServiceBuilder UseBlobStorage(
         this PiranhaServiceBuilder serviceBuilder,
-        StorageCredentials credentials,
-        string containerName = "uploads",
+        Uri blobContainerUri,
+        TokenCredential credential,
         BlobStorageNaming naming = BlobStorageNaming.UniqueFileNames,
         ServiceLifetime scope = ServiceLifetime.Singleton)
     {
-        serviceBuilder.Services.AddPiranhaBlobStorage(credentials, containerName, naming, scope);
+        serviceBuilder.Services.AddPiranhaBlobStorage(blobContainerUri, credential, naming, scope);
 
         return serviceBuilder;
     }
-
+    
     /// <summary>
     /// Adds the Azure BlobStorage module.
     /// </summary>
@@ -61,22 +67,27 @@ public static PiranhaServiceBuilder UseBlobStorage(
     /// Adds the services for the Azure BlobStorage service.
     /// </summary>
     /// <param name="services">The current service collection</param>
-    /// <param name="credentials">The auth credentials</param>
-    /// <param name="containerName">The optional container name</param>
+    /// <param name="credential">
+    /// The token credential used to sign requests.
+    /// </param>
+    /// <param name="blobContainerUri">
+    /// A <see cref="Uri"/> referencing the blob service.
+    /// This is likely to be similar to "https://{account_name}.blob.core.windows.net".
+    /// </param>
     /// <param name="naming">How uploaded media files should be named</param>
     /// <param name="scope">The optional service scope. Default is singleton</param>
     /// <returns>The service collection</returns>
     public static IServiceCollection AddPiranhaBlobStorage(
         this IServiceCollection services,
-        StorageCredentials credentials,
-        string containerName = "uploads",
+        Uri blobContainerUri,
+        TokenCredential credential,
         BlobStorageNaming naming = BlobStorageNaming.UniqueFileNames,
         ServiceLifetime scope = ServiceLifetime.Singleton)
     {
         App.Modules.Register<BlobStorageModule>();
 
         services.Add(new ServiceDescriptor(typeof(IStorage), sp =>
-            new BlobStorage(credentials, containerName, naming), scope));
+            new BlobStorage(blobContainerUri, credential, naming), scope));
 
         return services;
     }