88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This is a simple echo bot using decorators and webhook with flask
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# It echoes any incoming text messages and does not use the polling method.
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import logging
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import time
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import flask
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import telebot
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API_TOKEN = '<api_token>'
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WEBHOOK_HOST = '<ip/host where the bot is running>'
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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://%s:%s" % (WEBHOOK_HOST, WEBHOOK_PORT)
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WEBHOOK_URL_PATH = "/%s/" % (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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app = flask.Flask(__name__)
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# Empty webserver index, return nothing, just http 200
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@app.route('/', methods=['GET', 'HEAD'])
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def index():
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return ''
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# Process webhook calls
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@app.route(WEBHOOK_URL_PATH, methods=['POST'])
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def webhook():
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if flask.request.headers.get('content-type') == 'application/json':
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json_string = flask.request.get_data().decode('utf-8')
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update = telebot.types.Update.de_json(json_string)
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bot.process_new_updates([update])
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return ''
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else:
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flask.abort(403)
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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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time.sleep(0.1)
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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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# Start flask server
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app.run(host=WEBHOOK_LISTEN,
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port=WEBHOOK_PORT,
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ssl_context=(WEBHOOK_SSL_CERT, WEBHOOK_SSL_PRIV),
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debug=True)
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