336 lines
10 KiB
Python
Executable File
336 lines
10 KiB
Python
Executable File
#!/usr/bin/env python2
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import time
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import random
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import datetime
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import re
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import ConfigParser
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import telepot
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import json
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import sys
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import os
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import argparse
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import logging
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import atexit
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import signal
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from telepot.loop import MessageLoop
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from watchdog.observers import Observer
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from watchdog.events import PatternMatchingEventHandler
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version = 0.1
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def writeconfig():
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if not os.access(configFile, os.W_OK):
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print 'WARNING: Config file (%s) is not writable ...' % configFile
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logger.warning('Config file (%s) is not writable ...' % configFile)
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return False
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with open(configFile, 'wb') as theFile:
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configParser.write(theFile)
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logger.info('Config file (%s) updated ...' % configFile)
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def handle(msg):
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global configParser
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global chat_ids
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pair_pin = configParser.get('general', 'pair_pin')
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chat_id = msg['chat']['id']
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username = msg['chat']['username']
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firstname = msg['chat']['first_name']
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lastname = msg['chat']['last_name']
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command = msg['text']
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param = ''
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paired_user = [x for x in chat_ids if x['id'] == chat_id]
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is_paired = len(paired_user) > 0
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# if text starts with '/' then it's a command
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if re.match(r'^/',msg['text']):
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command = re.sub(r"\s.*",'',msg['text'])
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param = re.sub(r"^([^\s]+)\s","",msg['text'])
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print '\n\nUser %s sent command: %s (%s)' % (username, command, param)
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if command == '/pair':
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if is_paired:
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bot.sendMessage(chat_id, 'You\'re already paired.')
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elif param == pair_pin:
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chat={
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'username': username,
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'firstname': firstname,
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'lastname': lastname,
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'id': chat_id
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}
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chat_ids.append(chat)
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section = 'id-' + str(chat_id)
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if not configParser.has_section(section):
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configParser.add_section(section)
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configParser.set(section, 'username', username)
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configParser.set(section, 'firstname', firstname)
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configParser.set(section, 'lastname', lastname)
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writeconfig()
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bot.sendMessage(chat_id, 'Pairing ok.')
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else:
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bot.sendMessage(chat_id, 'Pairing failed: wrong pin.')
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elif command == '/newpin':
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if not is_paired:
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bot.sendMessage(chat_id, 'You\'re not allowed to do that. You have to pair first.')
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elif param != '':
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pair_pin = param
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configParser.set('general', 'pair_pin', pair_pin)
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writeconfig()
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bot.sendMessage(chat_id, 'The new pin is: %s' % pair_pin)
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else:
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bot.sendMessage(chat_id, 'Please specify the new pin.')
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elif command == '/unpair':
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if not is_paired:
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bot.sendMessage(chat_id, 'You\'re not allowed to do that. You have to pair first.')
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else:
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chat_ids[:] = [x for x in chat_ids if x['id'] != chat_id]
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section = 'id-' + str(chat_id)
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configParser.remove_section(section)
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writeconfig()
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bot.sendMessage(chat_id, 'Bye.')
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elif command == '/users':
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if not is_paired:
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bot.sendMessage(chat_id, 'You\'re not allowed to do that. You have to pair first.')
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else:
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users = [x['username'] + ' (' + x['firstname'] + ' ' + x['lastname'] + ')\n' for x in chat_ids]
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bot.sendMessage(chat_id, 'Paired users:\n' + "".join([str(i) for i in users]) )
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elif command == '/start':
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bot.sendMessage(chat_id, 'Started:\n' )
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elif command == '/help':
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bot.sendMessage(chat_id, 'Help:\n' )
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elif command == '/settings':
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bot.sendMessage(chat_id, 'Settings:\n' )
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def processFile(filename):
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logger.info('Processing %s' % filename)
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if re.match(r'.*jpe?g$',filename):
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for c in chat_ids:
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try:
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logger.debug('sending %s as picture to %s' % (filename,c['username']))
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r=bot.sendPhoto(c['id'], open(filename, 'rb'))
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os.remove(filename)
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logger.debug('removed %s' % filename)
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except:
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time.sleep(10)
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if re.match(r'.*txt$',filename):
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for c in chat_ids:
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try:
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with open(filename,'r') as f:
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logger.debug('sending %s as text to %s' % (filename,c['username']))
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r=bot.sendMessage(c['id'], f.read())
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os.remove(filename)
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logger.debug('removed %s' % filename)
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except:
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time.sleep(10)
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class FilesChangedHandler(PatternMatchingEventHandler):
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patterns = ["*.jpg", "*.txt"]
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def process(self, event):
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"""
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event.event_type
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'modified' | 'created' | 'moved' | 'deleted'
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event.is_directory
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True | False
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event.src_path
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path/to/observed/file
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"""
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if event.event_type=='created':
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processFile(event.src_path)
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def on_modified(self, event):
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self.process(event)
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def on_created(self, event):
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self.process(event)
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def checkFiles():
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spool_dir = configParser.get('general', 'spool_dir')
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logger.info('Checking %s for new files ...' % spool_dir)
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l=os.listdir(spool_dir)
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for f in l:
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processFile("%s/%s" % (spool_dir,f) )
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def initSignals():
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signal.signal(signal.SIGINT, exitGracefully)
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signal.signal(signal.SIGTERM, exitGracefully)
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def exitGracefully(signum, frame):
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global shutdown
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shutdown = True
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def setDefaults():
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global configFile
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global defaults
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configFile = '/etc/telegram-notify/telegram-notify.conf'
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if not os.path.isfile(configFile) or not os.access(configFile, os.R_OK):
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configFile = './telegram-notify.conf'
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if not os.path.isfile(configFile) or not os.access(configFile, os.R_OK):
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configFile = ''
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logFile = '/var/log/telegram-notify.log'
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if not os.path.isfile(logFile) or not os.access(logFile, os.W_OK):
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logFile = ''
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defaults = {
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'log_file': logFile,
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'log_level': 'info',
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'daemon': False,
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'token': '',
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'pair_pin': '1234',
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'spool_dir': '/var/spool/telegram-notify',
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'pid_file': '/var/run/telegram-notify/telegram-notify.pid'
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}
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def parseCmdLine():
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global configFile
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parser = argparse.ArgumentParser(description='Daemon for Telegram notification management')
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parser.add_argument('-c', '--config', nargs='?',
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help='start with specified config file (default: telegram-notify.conf in /etc/ or in current directory)')
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parser.add_argument('-V', '--version', action='store_true',
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help='show program version and quit')
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args = parser.parse_args()
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if args.version:
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print 'telegram-notify-daemon version %s - Copyright (C) 2018 by Paolo Asperti.' % version
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sys.exit(0)
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if args.config:
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if not os.path.isfile(args.config):
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print 'specified config file doesn\'t exists or is not a file'
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sys.exit(1)
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if not os.access(args.config, os.R_OK):
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print 'specified config file is not readable'
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sys.exit(1)
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configFile = args.config
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def readConfigFile():
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global configParser
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if configFile == '':
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print 'no config file available'
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sys.exit(1)
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if not os.access(configFile, os.W_OK):
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print 'WARNING: specified config file is not writable'
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configParser = ConfigParser.SafeConfigParser(defaults=defaults)
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configParser.read(configFile)
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def initLogger():
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global logger
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logFile = configParser.get('general', 'log_file')
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if logFile == '':
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print 'no log file available'
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sys.exit(1)
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logLevel = configParser.get('general', 'log_level')
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logging.basicConfig(filename=logFile,level=logLevel,format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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def checkPIDFile():
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PIDFile = configParser.get('general', 'pid_file')
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try:
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pf = open(PIDFile,'r')
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pid = int(pf.read().strip())
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pf.close()
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except (IOError, TypeError):
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pid = None
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if pid:
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logger.error('pidfile %s already exist. Daemon already running?' % PIDFile)
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sys.stderr.write('pidfile %s already exist. Daemon already running?' % PIDFile)
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sys.exit(1)
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atexit.register(delPIDFile)
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open(PIDFile,'w+').write("%s\n" % str(os.getpid()))
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logger.info('Created PIDfile %s' % PIDFile)
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def delPIDFile():
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PIDFile = configParser.get('general', 'pid_file')
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os.remove(PIDFile)
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logger.info('Removed PIDfile %s' % PIDFile)
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def checkSpoolDir():
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spool_dir = configParser.get('general', 'spool_dir')
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if not os.path.isdir(spool_dir):
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print "spool directory (%s) doesn't exists or is not a directory!" % spool_dir
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sys.exit(1)
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if not os.access(spool_dir, os.W_OK):
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print "spool directory (%s) is not writable!" % spool_dir
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sys.exit(1)
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def initBot():
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global bot
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global chat_ids
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chat_ids=[]
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logger.debug('Allowed users:')
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for p in configParser.sections():
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if re.match('^id-.*',p):
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chat_id={
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'username': configParser.get(p,'username'),
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'firstname': configParser.get(p,'firstname'),
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'lastname': configParser.get(p,'lastname'),
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'id': int(re.sub(r'^id-','',p))
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}
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chat_ids.append(chat_id)
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logger.debug(" - (%s) %s %s" % (chat_id['username'],chat_id['firstname'],chat_id['lastname']) )
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token = configParser.get('general', 'token')
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bot = telepot.Bot(token)
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MessageLoop(bot, handle).run_as_thread()
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logger.info('Loop started. I am listening ...')
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checkFiles()
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spool_dir = configParser.get('general', 'spool_dir')
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observer = Observer()
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observer.schedule(FilesChangedHandler(), path=spool_dir)
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observer.start()
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initSignals()
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setDefaults()
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parseCmdLine()
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readConfigFile()
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initLogger()
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checkPIDFile()
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checkSpoolDir()
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initBot()
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daemon = configParser.get('general', 'daemon')
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shutdown = False
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while 1:
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checkFiles()
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if re.match('false', daemon, re.IGNORECASE):
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sys.exit(0)
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for x in range(0, 40):
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if shutdown:
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logger.info('Daemon shutdown requested. Exiting...')
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sys.exit(0)
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time.sleep(0.25)
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