tiktok: use webapp-based downloading method (#503)

Signed-off-by: Damir Modyarov <otomir@yandex.ru>
Co-authored-by: wukko <me@wukko.me>

src/modules/stream/shared.js

@@ -1,4 +1,5 @@
 import { genericUserAgent } from "../config.js";
+import { cookie as tiktokCookie } from "../processing/services/tiktok.js";
 
 const defaultHeaders = {
     'user-agent': genericUserAgent
@@ -13,6 +14,9 @@ const serviceHeaders = {
         origin: 'https://www.youtube.com',
         referer: 'https://www.youtube.com',
         DNT: '?1'
+    },
+    tiktok: {
+        cookie: tiktokCookie
     }
 }
 
@@ -22,5 +26,7 @@ export function closeResponse(res) {
 }
 
 export function getHeaders(service) {
-    return { ...defaultHeaders, ...serviceHeaders[service] }
+    // Converting all header values to strings
+    return Object.entries({ ...defaultHeaders, ...serviceHeaders[service] })
+        .reduce((p, [key, val]) => ({ ...p, [key]: String(val) }), {})
 }