feat: enhance backup progress handling and improve user status toggling

webapp/src/lib/api/backup.ts

@@ -16,6 +16,7 @@ import {
   type AuthedFetch,
 } from './shared';
 import { readResponseBytesWithProgress } from '../download';
+import { toBufferSource } from '../crypto';
 import { unzipSync, zipSync } from 'fflate';
 
 export type {
@@ -367,7 +368,7 @@ export function extractBackupFileChecksumPrefix(fileName: string): string | null
 }
 
 async function sha256Hex(bytes: Uint8Array): Promise<string> {
-  const digest = await crypto.subtle.digest('SHA-256', bytes);
+  const digest = await crypto.subtle.digest('SHA-256', toBufferSource(bytes));
   return Array.from(new Uint8Array(digest)).map((byte) => byte.toString(16).padStart(2, '0')).join('');
 }
 

webapp/src/lib/api/send.ts

@@ -152,10 +152,12 @@ export async function createSend(
   const uploadInfo = await parseJson<{ url?: string; sendResponse?: Send; fileUploadType?: number }>(fileResp);
   const uploadUrl = uploadInfo?.url;
   if (!uploadUrl) throw new Error('Create file send failed: missing upload URL');
+  const payload = new ArrayBuffer(encryptedFileBytes.byteLength);
+  new Uint8Array(payload).set(encryptedFileBytes);
   const uploadResp = await uploadDirectEncryptedPayload({
     accessToken: session.accessToken,
     uploadUrl,
-    payload: encryptedFileBytes,
+    payload,
     fileUploadType: uploadInfo?.fileUploadType,
     unsupportedMessage: 'Unsupported send upload type',
     onProgress,

webapp/src/lib/api/shared.ts

@@ -63,14 +63,14 @@ interface UploadWithProgressOptions {
   accessToken?: string;
   method?: string;
   headers?: HeadersInit;
-  body?: Document | XMLHttpRequestBodyInit | null;
+  body?: XMLHttpRequestBodyInit | null;
   onProgress?: (percent: number | null) => void;
 }
 
 interface DirectEncryptedUploadOptions {
   accessToken: string;
   uploadUrl: string;
-  payload: ArrayBuffer | Uint8Array;
+  payload: XMLHttpRequestBodyInit;
   fileUploadType: number | null | undefined;
   unsupportedMessage: string;
   onProgress?: (percent: number | null) => void;