jackwener--opencli/clis/douyin/_shared/sts2.js

import { AuthRequiredError } from '@jackwener/opencli/errors';
const STS2_URL = 'https://creator.douyin.com/aweme/mid/video/sts2/?scene=web&aid=1128&cookie_enabled=true&device_platform=web';
/**
 * Fetch STS2 temporary credentials from the creator center.
 * These are used to authenticate Node.js-side TOS multipart uploads.
 * Returns: { access_key_id, secret_access_key, session_token, expired_time }
 */
export async function getSts2Credentials(page) {
    const js = `fetch(${JSON.stringify(STS2_URL)}, { credentials: 'include' }).then(r => r.json())`;
    const res = await page.evaluate(js);
    const credentials = (typeof res === 'object' &&
        res !== null &&
        'data' in res &&
        res.data)
        ? res.data
        : res;
    if (!credentials?.access_key_id) {
        throw new AuthRequiredError('creator.douyin.com', 'STS2 credentials missing');
    }
    return credentials;
}