2020-12-15 14:38:50 +03:00
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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2020-12-17 15:34:36 +03:00
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# This is an example echo bot using webhook with Twisted network framework.
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# Updates are received with Twisted web server and processed in reactor thread pool.
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# Relevant docs:
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# https://twistedmatrix.com/documents/current/core/howto/reactor-basics.html
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# https://twistedmatrix.com/documents/current/web/howto/using-twistedweb.html
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2020-12-15 14:38:50 +03:00
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import logging
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import telebot
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import json
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from twisted.internet import ssl, reactor
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from twisted.web.resource import Resource, ErrorPage
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from twisted.web.server import Site, Request
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API_TOKEN = '<api_token>'
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WEBHOOK_HOST = '<ip or hostname>'
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WEBHOOK_PORT = 8443 # 443, 80, 88 or 8443 (port need to be 'open')
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WEBHOOK_LISTEN = '0.0.0.0' # In some VPS you may need to put here the IP addr
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WEBHOOK_SSL_CERT = './webhook_cert.pem' # Path to the ssl certificate
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WEBHOOK_SSL_PRIV = './webhook_pkey.pem' # Path to the ssl private key
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# Quick'n'dirty SSL certificate generation:
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#
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# openssl genrsa -out webhook_pkey.pem 2048
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# openssl req -new -x509 -days 3650 -key webhook_pkey.pem -out webhook_cert.pem
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#
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# When asked for "Common Name (e.g. server FQDN or YOUR name)" you should reply
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# with the same value in you put in WEBHOOK_HOST
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WEBHOOK_URL_BASE = "https://{}:{}".format(WEBHOOK_HOST, WEBHOOK_PORT)
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WEBHOOK_URL_PATH = "/{}/".format(API_TOKEN)
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logger = telebot.logger
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telebot.logger.setLevel(logging.INFO)
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bot = telebot.TeleBot(API_TOKEN)
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# Handle '/start' and '/help'
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@bot.message_handler(commands=['help', 'start'])
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def send_welcome(message):
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bot.reply_to(message,
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("Hi there, I am EchoBot.\n"
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"I am here to echo your kind words back to you."))
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# Handle all other messages
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@bot.message_handler(func=lambda message: True, content_types=['text'])
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def echo_message(message):
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bot.reply_to(message, message.text)
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# Remove webhook, it fails sometimes the set if there is a previous webhook
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bot.remove_webhook()
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# Set webhook
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bot.set_webhook(url=WEBHOOK_URL_BASE + WEBHOOK_URL_PATH,
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certificate=open(WEBHOOK_SSL_CERT, 'r'))
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# Process webhook calls
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class WebhookHandler(Resource):
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isLeaf = True
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def render_POST(self, request: Request):
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request_body_dict = json.load(request.content)
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update = telebot.types.Update.de_json(request_body_dict)
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reactor.callInThread(lambda: bot.process_new_updates([update]))
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return b''
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root = ErrorPage(403, 'Forbidden', '')
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root.putChild(API_TOKEN.encode(), WebhookHandler())
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site = Site(root)
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sslcontext = ssl.DefaultOpenSSLContextFactory(WEBHOOK_SSL_PRIV, WEBHOOK_SSL_CERT)
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reactor.listenSSL(8443, site, sslcontext)
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reactor.run()
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