Alban Leong albanleong
zubiden
/ validate_init_data.js
Created
April 17, 2022 03:33
Telegram Web Bots data validation in JavaScript via Web Crypto API (dependency-free)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Thanks to @MarvinMiles for Telegram Widget Login check function https://gist.github.com/MarvinMiles/f041205d872b0d8547d054eafeafe2a5 | |
| // This function validates Web App input https://core.telegram.org/bots/webapps#validating-data-received-via-the-web-app | |
| // Transforms Telegram.WebApp.initData string into object | |
| function transformInitData(initData) { | |
| return Object.fromEntries(new URLSearchParams(initData)); | |
| } | |
| // Accepts init data object and bot token | |
| async function validate(data, botToken) { |