passport-telegram-official
Version:
Telegram (not official, just the name) authentication strategy for Passport (https://core.telegram.org/widgets/login)
58 lines (46 loc) • 1.57 kB
JavaScript
const express = require('express');
const bodyParser = require('body-parser');
const passport = require('passport');
const TelegramStrategy = require('..').TelegramStrategy;
const throwError = () => { throw new TypeError('Please provide your credentials through BOT_TOKEN and BOT_NAME envivroment variable. Also set PORT to 80, because widget won\'t work otherwise.') };
const botToken = process.env.BOT_TOKEN || throwError();
const botName = process.env.BOT_NAME || throwError();
passport.deserializeUser((user, done) => {
done(null, user);
});
passport.serializeUser((user, done) => {
done(null, user);
});
passport.use(new TelegramStrategy({ botToken: botToken, passReqToCallback: true }, (req, user, done) => {
console.log(user);
req.user = user;
done(null, user)
}));
const app = express();
// Here we create page with auth widget
app.get('/', (req, res) => {
res.send(`<html>
<head></head>
<body>
<div id="widget">
<script
async
src="https://telegram.org/js/telegram-widget.js?2"
data-telegram-login="${botName}"
data-size="medium"
data-auth-url="/login"
data-request-access="write"
></script>
</div>
</body>
</html>`);
});
app.use(bodyParser.urlencoded({ extended: true }));
app.use(passport.initialize());
app.use('/login', passport.authenticate('telegram'), (req, res) => {
res.send(`You logged in! Hello ${req.user.first_name}!`);
});
const port = process.env.PORT || 4600;
app.listen(port, () => {
console.log(`Go to localhost:${port} and try to login`)
});