302 lines
10 KiB
Python
Executable File
302 lines
10 KiB
Python
Executable File
#!/usr/bin/env python3
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import asyncio
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import logging
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import os
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import re
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import signal
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import subprocess
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import sys
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import time
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import slixmpp
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opts = {
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"muc": "room@conference.example.com",
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"nick": "botname",
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"jid": "botname@example.com",
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"resource": "resource",
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"password": "password",
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"connect": "xmpp.example.org:5222",
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}
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class Hptoad:
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def __init__(self, opts):
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self.client = slixmpp.ClientXMPP("%s/%s" % (opts["jid"],
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opts["resource"]),
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opts["password"])
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self.client.register_plugin("xep_0199") # XMPP Ping.
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self.client.register_plugin("xep_0045") # XMPP MUC.
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self.muc_obj = self.client.plugin["xep_0045"]
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self.logger = logging.getLogger(self.__class__.__name__)
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self.logger.addHandler(logging.NullHandler())
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self.logger.setLevel(logging.DEBUG)
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self.jid = opts["jid"]
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self.connect_host = opts["connect"]
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self.muc = opts["muc"]
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self.pure_bot_nick = opts["nick"]
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self.bot_nick = self.pure_bot_nick
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def register_handlers(self):
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self.client.add_event_handler("failed_all_auth",
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self.on_failed_all_auth)
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self.client.add_event_handler("session_start", self.on_session_start)
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self.client.add_event_handler("session_end", self.on_session_end)
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self.client.add_event_handler("message", self.on_message)
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self.client.add_event_handler("muc::%s::presence" % self.muc,
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self.on_muc_presence)
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def connect(self):
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# Reset the nick.
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self.bot_nick = self.pure_bot_nick
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if self.connect_host:
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connect = self.connect_host.split(":", 1)
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if len(connect) != 2 or not connect[1].isdigit():
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self.logger.critical("Conn: Connection server format is " +
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"invalid, should be example.org:5222")
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sys.exit(1)
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else:
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connect = ()
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self.client.connect(connect)
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def join_muc(self):
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self.muc_obj.join_muc(self.muc, self.bot_nick)
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def log_exception(self, ex):
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self.logger.error("%s: %s" % (type(ex).__name__, str(ex)))
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def log_message_event(self, event):
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self.logger.debug("&{{jabber:client message} %s %s %s %s %s { }}" %
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(event["from"], event["id"], event["to"],
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event["type"], event["body"]))
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def is_muc_admin(self, muc, nick):
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if nick not in self.muc_obj.rooms[self.muc]:
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return False
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affiliation = self.muc_obj.get_jid_property(muc, nick, "affiliation")
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return True if affiliation in ("admin", "owner") else False
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_trim_regexp = re.compile("(`|\\$|\\.\\.)")
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_quote_regexp = re.compile("(\"|')")
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@classmethod
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def trim(cls, s):
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result = cls._trim_regexp.sub("", s)
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result = cls._quote_regexp.sub("“", result).strip()
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return result
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# letter(ASCII or cyrillic), number, underscore only.
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_cmd_validator_regexp = re.compile("^!(\\w|\\p{Cyrillic})*$")
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@asyncio.coroutine
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def prep_extern_cmd(self, body, nick, dir_path, is_admin=False):
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cmd = body.split(" ", 1)
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cmd[0] = cmd[0].strip()
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is_admin = "true" if is_admin else "false"
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if not self._cmd_validator_regexp.match(cmd[0]):
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return None, "Bad command \"%s\"" % cmd[0]
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path = os.path.join(dir_path, self.trim(cmd[0][1:]))
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if not os.access(path, os.F_OK):
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return None, "\"%s\" does not exist" % path
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if not os.path.isfile(path):
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return None, "\"%s\" is not a file" % path
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if not os.access(path, os.R_OK | os.X_OK):
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return None, "\"%s\" is not readable or executable" % path
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proc_args = [path, self.trim(nick), is_admin]
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if len(cmd) > 1:
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proc_args.append(self.trim(cmd[1]))
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return proc_args, None
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@asyncio.coroutine
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def extern_cmd(self, body, nick, from_id, dir_path, is_admin=False):
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reply = ""
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err = None
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cmd, prep_err = yield from self.prep_extern_cmd(body, nick, dir_path,
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is_admin=is_admin)
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if prep_err:
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reply = "%s: WAT" % nick
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err = "Command: %s" % prep_err
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return reply, err
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try:
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proc = yield from \
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asyncio.create_subprocess_exec(*cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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cmd_reply, cmd_err = yield from proc.communicate()
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except subprocess.CalledProcessError as e:
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reply = "%s: WAT" % nick
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err = "Execute: %s" % str(e)
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return reply, err
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if cmd_err and len(cmd_err.strip()) > 0:
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err = "Process: %s" % cmd_err.strip()
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if cmd_reply and len(cmd_reply.strip()) > 0:
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reply = cmd_reply.decode().strip()
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return reply, err
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@asyncio.coroutine
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def handle_cmd(self, body, nick, from_id, is_admin=False):
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reply = ""
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err = None
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if body == "!megakick": # Incomplete megakick.
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reply = "%s: WAT" % nick
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elif body.startswith("!megakick "): # Megakick.
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victim = body.split("!megakick ", 1)[1]
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is_bot_admin = self.is_muc_admin(self.muc, self.bot_nick)
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is_victim_admin = self.is_muc_admin(self.muc, victim)
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if is_admin and victim != self.bot_nick:
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if is_bot_admin and not is_victim_admin and \
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victim in self.muc_obj.rooms[self.muc]:
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self.muc_obj.setRole(self.muc, victim, "none")
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else:
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reply = "%s: Can't megakick %s." % (nick, victim)
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else:
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reply = "%s: GTFO" % nick
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elif body.startswith("!"): # Any external command.
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reply, err = yield from self.extern_cmd(body, nick,
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from_id, "plugins",
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is_admin=is_admin)
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return reply, err
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@asyncio.coroutine
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def handle_self_message(self, body, nick, from_id):
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if body.startswith("!"):
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msg, err = yield from self.handle_cmd(body, nick, from_id,
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is_admin=True)
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else:
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msg = body.strip()
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if msg and len(msg) > 0:
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self.client.send_message(mto=self.muc, mbody=msg,
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mtype="groupchat")
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@asyncio.coroutine
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def handle_muc_message(self, body, nick, from_id):
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is_admin = self.is_muc_admin(self.muc, nick)
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reply = ""
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err = None
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# Has to be redone with the current bot nick.
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call_regexp = re.compile("^%s[:,]" % self.bot_nick)
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if body.startswith("!"): # Any external command.
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reply, err = yield from self.handle_cmd(body, nick, from_id,
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is_admin=is_admin)
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elif call_regexp.match(body): # Chat.
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cmd_body = call_regexp.sub("!answer", body)
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reply, err = yield from self.extern_cmd(cmd_body, nick, from_id,
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"chat", is_admin=is_admin)
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if err:
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self.logger.error(err)
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if is_admin:
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self.client.send_message(mto=from_id, mbody=err, mtype="chat")
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if reply:
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self.client.send_message(mto=self.muc, mbody=reply,
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mtype="groupchat")
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def on_failed_all_auth(self, event):
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self.logger.critical("Auth: Could not connect to the server, or " +
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"password mismatch!")
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sys.exit(1)
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def on_session_start(self, event):
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self.client.send_presence(pstatus="is there some food in this world?",
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ppriority=12)
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self.client.get_roster()
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self.join_muc()
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def on_session_end(self, event):
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time.sleep(2.0)
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self.connect()
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@asyncio.coroutine
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def on_message(self, event):
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try:
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if not event["type"] in ("chat", "normal", "groupchat"):
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return
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self.log_message_event(event)
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body = event["body"]
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from_id = event["from"]
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if event["type"] == "groupchat":
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nick = event["mucnick"]
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if nick != self.bot_nick:
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yield from self.handle_muc_message(body, nick, from_id)
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elif event["from"].bare == self.jid:
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# Use resource as a nickname with self messages.
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nick = from_id.resource
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yield from self.handle_self_message(body, nick, from_id)
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except Exception as e:
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self.log_exception(e)
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def on_muc_presence(self, event):
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try:
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typ = event["muc"]["type"]
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from_id = event["from"]
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nick = event["muc"]["nick"]
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if not typ:
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typ = event["type"]
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if not nick:
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nick = self.muc_obj.get_nick(self.muc, from_id)
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if typ == "error":
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if event["error"]["code"] == "409":
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self.bot_nick = self.bot_nick + "_"
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self.join_muc()
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elif typ == "unavailable":
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if nick == self.bot_nick:
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self.bot_nick = self.pure_bot_nick
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time.sleep(0.5)
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self.join_muc()
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except Exception as e:
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self.log_exception(e)
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def run(self):
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self.register_handlers()
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self.connect()
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self.client.process(forever=True)
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if __name__ == "__main__":
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signal.signal(signal.SIGINT, signal.SIG_DFL)
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logging.basicConfig(format="%(asctime)s %(message)s",
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datefmt="%Y/%m/%d %H:%M:%S")
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if os.path.isfile(sys.argv[0]) and os.path.dirname(sys.argv[0]):
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os.chdir(os.path.dirname(sys.argv[0]))
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hptoad = Hptoad(opts)
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while True:
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hptoad.run()
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logging.error("Unknown: WTF am I doing here?")
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time.sleep(0.5)
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