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#! /usr/bin/env python
#
# //Reaktor/IRC/asybot.py
#
def is_executable(x):
import os
return os.path.exists(x) and os.access(x, os.X_OK)
from asynchat import async_chat as asychat
from asyncore import loop
from socket import AF_INET, SOCK_STREAM
from signal import SIGALRM, signal, alarm
from datetime import datetime as date, timedelta
import shlex
from time import sleep
from sys import exit
from re import split, search
import logging,logging.handlers
log = logging.getLogger('asybot')
hdlr = logging.handlers.SysLogHandler(facility=logging.handlers.SysLogHandler.LOG_DAEMON)
formatter = logging.Formatter( '%(filename)s: %(levelname)s: %(message)s')
hdlr.setFormatter(formatter)
log.addHandler(hdlr)
class asybot(asychat):
def __init__(self, server, port, nickname, targets, **kwargs):
asychat.__init__(self)
self.server = server
self.port = port
self.nickname = nickname
self.targets = targets
self.username = kwargs['username'] if 'username' in kwargs else nickname
self.hostname = kwargs['hostname'] if 'hostname' in kwargs else nickname
self.ircname = kwargs['ircname'] if 'ircname' in kwargs else nickname
self.realname = kwargs['realname'] if 'realname' in kwargs else nickname
self.data = ''
self.set_terminator('\r\n')
self.create_socket(AF_INET, SOCK_STREAM)
self.connect((self.server, self.port))
# When we don't receive data for alarm_timeout seconds then issue a
# PING every hammer_interval seconds until kill_timeout seconds have
# passed without a message. Any incoming message will reset alarm.
self.alarm_timeout = 300
self.hammer_interval = 10
self.kill_timeout = 360
signal(SIGALRM, lambda signum, frame: self.alarm_handler())
self.reset_alarm()
def reset_alarm(self):
self.last_activity = date.now()
alarm(self.alarm_timeout)
def alarm_handler(self):
delta = date.now() - self.last_activity
if delta > timedelta(seconds=self.kill_timeout):
log.error('No data for %s. Giving up...' % delta)
exit(2)
else:
log.error('No data for %s. PINGing server...' % delta)
self.push('PING :%s' % self.nickname)
alarm(self.hammer_interval)
def collect_incoming_data(self, data):
self.data += data
def found_terminator(self):
log.debug('<< %s' % self.data)
message = self.data
self.data = ''
_, prefix, command, params, rest, _ = \
split('^(?::(\S+)\s)?(\S+)((?:\s[^:]\S*)*)(?:\s:(.*))?$', message)
params = params.split(' ')[1:]
#print([prefix, command, params, rest])
if command == 'PING':
self.push('PONG :%s' % rest)
log.debug("Replying to servers PING with PONG :%s" %rest)
elif command == 'PRIVMSG':
self.on_privmsg(prefix, command, params, rest)
elif command == '433':
# ERR_NICKNAMEINUSE, retry with another name
_, nickname, int, _ = split('^.*[^0-9]([0-9]+)$', self.nickname) \
if search('[0-9]$', self.nickname) \
else ['', self.nickname, 0, '']
self.nickname = nickname + str(int + 1)
self.handle_connect()
self.reset_alarm()
def push(self, message):
log.debug('>> %s' % message)
asychat.push(self, message + self.get_terminator())
def handle_connect(self):
self.push('NICK %s' % self.nickname)
self.push('USER %s %s %s :%s' %
(self.username, self.hostname, self.server, self.realname))
self.push('JOIN %s' % ','.join(self.targets))
def on_privmsg(self, prefix, command, params, rest):
def PRIVMSG(text):
msg = 'PRIVMSG %s :%s' % (','.join(params), text)
self.push(msg)
sleep(1)
def ME(text):
PRIVMSG('ACTION ' + text + '')
_from = prefix.split('!', 1)[0]
try:
_, _handle, _command, _argument, _ = split(
'^(\w+|\*):\s*(\w+)(?:\s+(.*))?$', rest)
except ValueError, error:
if search(self.nickname, rest):
PRIVMSG('I\'m so famous')
return # ignore
if _handle == self.nickname or _handle == '*':
from os.path import realpath, dirname, join
from subprocess import Popen as popen, PIPE
from time import time
Reaktor_dir = dirname(realpath(dirname(__file__)))
public_commands = join(Reaktor_dir, 'public_commands')
command = join(public_commands, _command)
if is_executable(command):
env = {}
args = []
start = time()
if _argument != None:
env['argument'] = _argument
args = shlex.split(_argument)
try:
p = popen([command] + args,bufsize=1, stdout=PIPE, stderr=PIPE, env=env)
except OSError, error:
ME('brain damaged')
log.error('OSError@%s: %s' % (command, error))
return
pid = p.pid
for line in iter(p.stdout.readline,""):
PRIVMSG(line)
log.debug('%s stdout: %s' % (pid, line))
p.wait()
elapsed = time() - start
code = p.returncode
log.info('command: %s -> %s in %d seconds' % (command, code,elapsed))
[log.debug('%s stderr: %s' % (pid, x)) for x in p.stderr.readlines()]
if code != 0:
ME('mimimi')
else:
if _handle != '*':
PRIVMSG(_from + ': you are made of stupid')
# retrieve the value of a [singleton] variable from a tinc.conf(5)-like file
def getconf1(x, path):
from re import findall
pattern = '(?:^|\n)\s*' + x + '\s*=\s*(.*\w)\s*(?:\n|$)'
y = findall(pattern, open(path, 'r').read())
if len(y) < 1:
raise AttributeError("len(getconf1('%s', '%s') < 1)" % (x, path))
if len(y) > 1:
y = ' '.join(y)
raise AttributeError("len(getconf1('%s', '%s') > 1)\n ====> %s"
% (x, path, y))
return y[0]
if __name__ == "__main__":
from os import environ as env
lol = logging.DEBUG if env.get('debug',False) else logging.INFO
logging.basicConfig(level=lol)
try:
name = getconf1('Name', '/etc/tinc/retiolum/tinc.conf')
hostname = '%s.retiolum' % name
except:
name = socket.gethostname()
hostname = name
nick = str(env.get('nick', name))
host = str(env.get('host', 'supernode'))
port = int(env.get('port', 6667))
target = str(env.get('target', '#retiolum'))
log.info('=> irc://%s@%s:%s/%s' % (nick, host, port, target))
from getpass import getuser
asybot(host, port, nick, [target], username=getuser(),
ircname='//Reaktor running at %s' % hostname,
hostname=hostname)
loop()
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