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|
#!/usr/bin/env python3
""" usage:
reaktor (get-config|run) [CONFIG]
`get-config` writes the reaktor configuration to stdout
if CONFIG is not given it will write the
reaktor default config.
use this for creating your own config
"""
import logging
import logging.handlers
import os
import threading
from asyncore import loop
from os.path import dirname
from re import match
import reaktor
from reaktor.getconf import make_getconf
from reaktor.ircasy import asybot
from reaktor.translate_colors import translate_colors
default_config = dirname(reaktor.__file__)+'/config.py'
log = logging.getLogger('Reaktor')
class Reaktor(asybot):
def __init__(self, config=default_config, getconf=None):
self.config = config
if not getconf:
self.getconf = make_getconf(self.conf)
else:
self.getconf = getconf
log.info("using config file %s" % (config))
asybot.__init__(
self,
getconf('irc_server'),
getconf('irc_port'),
getconf('irc_nickname'),
getconf('irc_channels'),
hammer_interval=getconf('irc_hammer_interval'),
alarm_timeout=getconf('irc_alarm_timeout'),
kill_timeout=getconf('irc_kill_timeout'),
nickserv_password=getconf('nickserv_password'),
)
def is_admin(self, prefix):
try:
with open(self.getconf('auth_file')) as f:
for line in f:
if line.strip() == prefix:
return True
except Exception as e:
log.info(e)
return False
def on_join(self, prefix, command, params, rest):
for command in self.getconf('on_join', []):
thread = threading.Thread(
target=self.execute_command,
args=(command, None, prefix, params),
)
thread.start()
def on_ping(self, prefix, command, params, rest):
for command in self.getconf('on_ping', []):
prefix = '!' # => env = { _prefix: '!', _from: '' }
# TODO why don't we get a list here and use ','.join() ?
params = command.get('targets')
thread = threading.Thread(
target=self.execute_command,
args=(command, None, prefix, params),
)
thread.start()
def on_privmsg(self, prefix, command, params, rest):
if not (self.nickname == self.getconf('name')):
# reload config if the name changed
# TODO: this sucks, use another sidechannel to tell config the
# new nickname
log.debug("nickname differs ('{}' to '{}')".format(
self.nickname, self.getconf('name')))
os.environ['REAKTOR_NICKNAME'] = self.nickname
self.getconf = make_getconf(self.config)
log.info('nickname changed to {}'.format(self.getconf('name')))
for command in self.getconf('commands'):
y = match(command['pattern'], rest)
if y:
if not self.is_admin(prefix):
self.PRIVMSG(params, 'unauthorized!')
else:
thread = threading.Thread(
target=self.execute_command,
args=(command, y, prefix, params),
)
thread.start()
for command in self.getconf('public_commands'):
y = match(command['pattern'], rest)
if y:
thread = threading.Thread(
target=self.execute_command,
args=(command, y, prefix, params),
)
thread.start()
def execute_command(self, command, match, prefix, target):
from os.path import realpath, dirname, join
from subprocess import Popen as popen, PIPE
from time import time
# TODO: allow only commands below ./commands/
exe = join(dirname(realpath(dirname(__file__))), command['argv'][0])
myargv = [exe] + command['argv'][1:]
try:
if match and match.groupdict().get('args', None):
myargv += [match.groupdict()['args']]
except Exception as e:
log.info("cannot parse args!: {}".format(e))
cwd = self.getconf('workdir')
if not os.access(cwd, os.W_OK):
log.error(
"Workdir '%s' is not Writable! Falling back to root dir" % cwd)
cwd = "/"
env = {}
env.update(os.environ) # first merge os.environ
env.update(command.get('env', {})) # then env of cfg
env['_prefix'] = prefix
env['_from'] = prefix.split('!', 1)[0]
log.debug('self:' + self.nickname)
# when receiving /query, answer to the user, not to self
if self.nickname in target:
target.remove(self.nickname)
target.append(env['_from'])
log.debug('target:' + str(target))
start = time()
try:
log.debug("Running : %s" % str(myargv))
log.debug("Environ : %s" % (str(env)))
p = popen(myargv, bufsize=1, stdout=PIPE,
stderr=PIPE, env=env, cwd=cwd)
except Exception as error:
self.ME(target, 'brain damaged')
log.error('OSError@%s: %s' % (myargv, error))
return
pid = p.pid
for line in iter(p.stdout.readline, ''.encode()):
try:
self.PRIVMSG(target, translate_colors(line.decode()))
except Exception as error:
log.error('no send: %s' % error)
log.debug('%s stdout: %s' % (pid, line))
p.wait()
elapsed = time() - start
code = p.returncode
log.info('command: %s -> %s in %d seconds' % (myargv, code, elapsed))
[log.debug('%s stderr: %s' % (pid, x)) for x in p.stderr.readlines()]
if code != 0:
self.ME(target, 'mimimi')
def main():
from docopt import docopt
args = docopt(__doc__)
conf = args['CONFIG'] if args['CONFIG'] else default_config
getconf = make_getconf(conf)
logging.basicConfig(level=logging.DEBUG if getconf('debug') else
logging.INFO)
log.debug("Debug enabled")
if args['run']:
Reaktor(conf, getconf)
loop()
elif args['get-config']:
print(open(conf).read())
if __name__ == "__main__":
main()
|
