Send azure upload (#1334)

* Add direct upload api endpoints

* Create azure upload service

* Update max file size

* Update send file upload test

* Move internationalization string to correct document

* Allow for one shot blob uploads

* Remove unused helper

* Use FileUploadService

Fallback to legacy method on old server implementations.

src/Core/Services/FileUploadService.cs

@@ -0,0 +1,51 @@
+using System.Threading.Tasks;
+using Bit.Core.Abstractions;
+using Bit.Core.Models.Domain;
+using Bit.Core.Models.Response;
+using Bit.Core.Enums;
+using System;
+
+namespace Bit.Core.Services {
+    public class FileUploadService : IFileUploadService
+    {
+        public FileUploadService(ApiService apiService)
+        {
+            _apiService = apiService;
+            _bitwardenFileUploadService = new BitwardenFileUploadService(apiService);
+            _azureFileUploadService = new AzureFileUploadService();
+        }
+
+        private readonly BitwardenFileUploadService _bitwardenFileUploadService;
+        private readonly AzureFileUploadService _azureFileUploadService;
+        private readonly ApiService _apiService;
+
+        public async Task UploadSendFileAsync(SendFileUploadDataResponse uploadData, CipherString fileName, byte[] encryptedFileData)
+        {
+            try
+            {
+                switch (uploadData.FileUploadType)
+                {
+                    case FileUploadType.Direct:
+                        await _bitwardenFileUploadService.Upload(fileName.EncryptedString, encryptedFileData,
+                            fd => _apiService.PostSendFileAsync(uploadData.SendResponse.Id, uploadData.SendResponse.File.Id, fd));
+                        break;
+                    case FileUploadType.Azure:
+                        Func<Task<string>> renewalCallback = async () =>
+                        {
+                            var response = await _apiService.RenewFileUploadUrlAsync(uploadData.SendResponse.Id, uploadData.SendResponse.File.Id);
+                            return response.Url;
+                        };
+                        await _azureFileUploadService.Upload(uploadData.Url, encryptedFileData, renewalCallback);
+                        break;
+                    default:
+                        throw new Exception("Unknown file upload type");
+                }
+            }
+            catch (Exception e)
+            {
+                await _apiService.DeleteSendAsync(uploadData.SendResponse.Id);
+                throw e;
+            }
+        }
+    }
+}