Package for checking parameters of Telegram Web Apps startup. The code is taken from the official documentation and put into one package for easy use.
First, install the package:
npm i tgwa-params-checker
Initialize it in your project:
const check = require("tgwa-params-checker");
// or use import
import check from "tgwa-params-checker";Using example:
const isValidParams = check(
"startup params from web app window",
"bot secret key",
"lifetime in seconds"
);The function returns true or false.
Whenever parameters are generated, the creation date is attached to them: auth_date.
Initially start parameters will "live"_ two hours - 7200 seconds. And you can change this value by passing the desired number.
In the example above, we drop startup parameters, application secret key, and life time. As the latter, you can pass either a number or 0.
If 0 is specified, then the check for "stupidity" of the startup parameters will be disabled.
const isValidParams = check("", "", 3600); // Startup parameters will live for one hour (3600 seconds)const isValidParams = check("", "", 0); // The startup parameters will live forever, as long as the key from the application does not change, for example.const isValidParams = check(
"query_id=AAHhpGQWAAAAAOGkZBacHiQ6&user=%7B%22id%22%3A375694561%2C%22first_name%22%3A%22%D0%9D%D0%98%D0%9A%D0%98%D0%A2%D0%90%22%2C%22last_name%22%3A%22%D0%9A%D0%9E%D0%9A%D0%90%22%2C%22username%22%3A%22lukasandreano%22%2C%22language_code%22%3A%22en%22%2C%22is_premium%22%3Atrue%7D&auth_date=1679551046&hash=36e589beaeb21328f4bcbec1816b8aba595f2612a28ea9beed696c2e9d85ecf3",
"TdpgoP3d9Wggrfs1qtNhw"
); // false
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