telegram-better-auth

import { betterAuth } from 'better-auth'; import { createAuthClient } from 'better-auth/client'; import { telegram, telegramClient } from 'telegram-better-auth'; // --- Server-side configuration (auth.ts) --- export const auth = betterAuth({ plugins: [ telegram({ botToken: process.env.TELEGRAM_BOT_TOKEN ?? '', // Ensure BOT_TOKEN is set in your environment getTempEmail: (id) => `${id}@t.me`, // Function to generate a temporary email for Telegram users }), ], }); // --- Client-side configuration (auth-client.ts) --- const authClient = createAuthClient({ plugins: [telegramClient()], }); interface TelegramUserAuthData { id: number; first_name: string; last_name?: string; username?: string; photo_url?: string; auth_date: number; hash: string; } // Example function to handle data from Telegram Login Widget callback const onTelegramAuth = async (user: TelegramUserAuthData) => { try { console.log('Attempting Telegram sign-in for user:', user.username || user.id); const data = await authClient.signIn.telegram(user); console.log('Telegram sign-in successful:', data); // Implement session refetch, redirect, etc. } catch (error) { console.error('Telegram sign-in failed:', error); // Handle error (e.g., display message to user) } }; // This function would typically be called from the Telegram Login Widget's callback // For demonstration, a placeholder: // For testing, mock a user object (replace with actual data from Telegram): // const mockTelegramUser: TelegramUserAuthData = { // id: 123456789, // first_name: 'Test', // username: 'testuser', // auth_date: Math.floor(Date.now() / 1000), // hash: 'mockhash_for_dev_only' // This hash must be generated by Telegram, don't hardcode in production // }; // onTelegramAuth(mockTelegramUser);