2fa fixes

src/webpage/audio/page.ts

@@ -1,5 +1,5 @@
 import {BinWrite} from "../utils/binaryUtils.js";
-import {setTheme} from "../utils/utils.js";
+import {saveFile, setTheme} from "../utils/utils.js";
 import {Play} from "./play.js";
 if (window.location.pathname.startsWith("/audio")) {
 	await setTheme();
@@ -179,14 +179,7 @@ if(zip){
 	const download = document.getElementById("download");
 	if (download) {
 		download.onclick = () => {
-			const blob = new Blob([buff], {type: "binary"});
-			const downloadUrl = URL.createObjectURL(blob);
-			const a = document.createElement("a");
-			a.href = downloadUrl;
-			a.download = "sounds.jasf";
-			document.body.appendChild(a);
-			a.click();
-			URL.revokeObjectURL(downloadUrl);
+			saveFile(buff, "sounds.jasf");
 		};
 	}
 }

src/webpage/mainSettings.ts

@@ -15,7 +15,7 @@ import {
 	setPreferences,
 	ThemeOption,
 } from "./utils/storage/userPreferences";
-import {createImg, getapiurls, installPGet, setTheme, SW} from "./utils/utils";
+import {createImg, getapiurls, installPGet, saveFile, setTheme, SW} from "./utils/utils";
 
 export async function showusersettings(localuser: Localuser) {
 	const prefs = getPreferences();
@@ -840,8 +840,14 @@ export async function showusersettings(localuser: Localuser) {
 										break;
 								}
 							} else {
-								gen2FA();
+								const codes = _.backup_codes as {
+									user_id: string;
+									code: string;
+									consumed: boolean;
+								}[];
+								saveFile(new TextEncoder().encode(JSON.stringify(codes)).buffer, "codes.backup");
 								localuser.mfa_enabled = true;
+								gen2FA();
 								twofa.returnFromSub();
 							}
 						},

src/webpage/utils/utils.ts

@@ -1012,3 +1012,13 @@ export function getInstances() {
 export function getStringURLMapPair() {
 	return [stringURLMap, stringURLsMap] as const;
 }
+export async function saveFile(buff: ArrayBuffer, name: string) {
+	const blob = new Blob([buff], {type: "binary"});
+	const downloadUrl = URL.createObjectURL(blob);
+	const a = document.createElement("a");
+	a.href = downloadUrl;
+	a.download = name;
+	document.body.appendChild(a);
+	a.click();
+	URL.revokeObjectURL(downloadUrl);
+}