Upload to Azure strorage blobs (#296)

* Implemen AzureStorageService

handes uploading files to azure blob

* Correct one-shot size

* Add azureStorage.service abstraction

* Rename azure upload method

* Prefer abstractions in DI

* Abstract file upload to a single service handling uploads

* Fallback to legacy upload method

* Linter fix

* Limit legacy upload to 404 error

src/services/bitwardenFileUpload.service.ts

@@ -0,0 +1,29 @@
+import { ApiService } from '../abstractions/api.service';
+
+import { Utils } from '../misc/utils';
+
+import { CipherString } from '../models/domain';
+import { SendResponse } from '../models/response/sendResponse';
+
+export class BitwardenFileUploadService
+{
+    constructor(private apiService: ApiService) { }
+
+    async upload(sendResponse: SendResponse, fileName: CipherString, data: ArrayBuffer) {
+        const fd = new FormData();
+        try {
+            const blob = new Blob([data], { type: 'application/octet-stream' });
+            fd.append('data', blob, fileName.encryptedString);
+        } catch (e) {
+            if (Utils.isNode && !Utils.isBrowser) {
+                fd.append('data', Buffer.from(data) as any, {
+                    filepath: fileName.encryptedString,
+                    contentType: 'application/octet-stream',
+                } as any);
+            } else {
+                throw e;
+            }
+        }
+        await this.apiService.postSendFile(sendResponse.id, sendResponse.file.id, fd);
+    }
+}