#!/usr/bin/env python # -*- coding: utf-8 -*- # This is a simple echo bot using decorators and webhook with fastapi # It echoes any incoming text messages and does not use the polling method. import logging import fastapi import telebot API_TOKEN = 'TOKEN' WEBHOOK_HOST = '' WEBHOOK_PORT = 8443 # 443, 80, 88 or 8443 (port need to be 'open') WEBHOOK_LISTEN = '0.0.0.0' # In some VPS you may need to put here the IP addr WEBHOOK_SSL_CERT = './webhook_cert.pem' # Path to the ssl certificate WEBHOOK_SSL_PRIV = './webhook_pkey.pem' # Path to the ssl private key # Quick'n'dirty SSL certificate generation: # # openssl genrsa -out webhook_pkey.pem 2048 # openssl req -new -x509 -days 3650 -key webhook_pkey.pem -out webhook_cert.pem # # When asked for "Common Name (e.g. server FQDN or YOUR name)" you should reply # with the same value in you put in WEBHOOK_HOST WEBHOOK_URL_BASE = "https://{}:{}".format(WEBHOOK_HOST, WEBHOOK_PORT) WEBHOOK_URL_PATH = "/{}/".format(API_TOKEN) logger = telebot.logger telebot.logger.setLevel(logging.INFO) bot = telebot.TeleBot(API_TOKEN) app = fastapi.FastAPI() # Process webhook calls @app.post(f'/{API_TOKEN}/') def process_webhook(update: dict): if update: update = telebot.types.Update.de_json(update) bot.process_new_updates([update]) else: return # Handle '/start' and '/help' @bot.message_handler(commands=['help', 'start']) def send_welcome(message): bot.reply_to(message, ("Hi there, I am EchoBot.\n" "I am here to echo your kind words back to you.")) # Handle all other messages @bot.message_handler(func=lambda message: True, content_types=['text']) def echo_message(message): bot.reply_to(message, message.text) # Remove webhook, it fails sometimes the set if there is a previous webhook bot.remove_webhook() # Set webhook bot.set_webhook(url=WEBHOOK_URL_BASE + WEBHOOK_URL_PATH, certificate=open(WEBHOOK_SSL_CERT, 'r')) import uvicorn uvicorn.run( app, host=WEBHOOK_LISTEN, port=WEBHOOK_PORT, ssl_certfile=WEBHOOK_SSL_CERT, ssl_keyfile=WEBHOOK_SSL_PRIV )