erebus.py

   1 #!/usr/bin/python
   2
   3 # Erebus IRC bot - Author: John Runyon
   4 # main startup code
   5
   6 from __future__ import print_function
   7
   8 import os, sys, select, MySQLdb, MySQLdb.cursors, time, random, gc
   9 import bot, config, ctlmod
  10
  11 class Erebus(object): #singleton to pass around
  12         APIVERSION = 0
  13         RELEASE = 0
  14
  15         bots = {}
  16         fds = {}
  17         numhandlers = {}
  18         msghandlers = {}
  19         chanhandlers = {}
  20         users = {}
  21         chans = {}
  22
  23         class User(object):
  24                 def __init__(self, nick, auth=None):
  25                         self.nick = nick
  26                         self.auth = auth
  27                         self.checklevel()
  28
  29                         self.chans = []
  30
  31                 def msg(self, *args, **kwargs):
  32                         main.randbot().msg(self, *args, **kwargs)
  33                 def slowmsg(self, *args, **kwargs):
  34                         main.randbot().slowmsg(self, *args, **kwargs)
  35                 def fastmsg(self, *args, **kwargs):
  36                         main.randbot().fastmsg(self, *args, **kwargs)
  37
  38                 def isauthed(self):
  39                         return self.auth is not None
  40
  41                 def authed(self, auth):
  42                         if auth == '0': self.auth = None
  43                         else: self.auth = auth.lower()
  44                         self.checklevel()
  45
  46                 def checklevel(self):
  47                         if self.auth is None:
  48                                 self.glevel = -1
  49                         else:
  50                                 c = main.query("SELECT level FROM users WHERE auth = %s", (self.auth,))
  51                                 if c:
  52                                         row = c.fetchone()
  53                                         if row is not None:
  54                                                 self.glevel = row['level']
  55                                         else:
  56                                                 self.glevel = 0
  57                                 else:
  58                                         self.glevel = 0
  59                         return self.glevel
  60
  61                 def join(self, chan):
  62                         if chan not in self.chans: self.chans.append(chan)
  63                 def part(self, chan):
  64                         try:
  65                                 self.chans.remove(chan)
  66                         except: pass
  67                         return len(self.chans) == 0
  68                 def quit(self):
  69                         pass
  70                 def nickchange(self, newnick):
  71                         self.nick = newnick
  72
  73                 def __str__(self): return self.nick
  74                 def __repr__(self): return "<User %r (%d)>" % (self.nick, self.glevel)
  75
  76         class Channel(object):
  77                 def __init__(self, name, bot):
  78                         self.name = name
  79                         self.bot = bot
  80                         self.levels = {}
  81
  82                         self.users = []
  83                         self.voices = []
  84                         self.ops = []
  85
  86                         c = main.query("SELECT user, level FROM chusers WHERE chan = %s", (self.name,))
  87                         if c:
  88                                 row = c.fetchone()
  89                                 while row is not None:
  90                                         self.levels[row['user']] = row['level']
  91                                         row = c.fetchone()
  92
  93
  94                 def msg(self, *args, **kwargs):
  95                         self.bot.msg(self, *args, **kwargs)
  96                 def slowmsg(self, *args, **kwargs):
  97                         self.bot.slowmsg(self, *args, **kwargs)
  98                 def fastmsg(self, *args, **kwargs):
  99                         self.bot.fastmsg(self, *args, **kwargs)
 100
 101                 def levelof(self, auth):
 102                         if auth is None:
 103                                 return 0
 104                         auth = auth.lower()
 105                         if auth in self.levels:
 106                                 return self.levels[auth]
 107                         else:
 108                                 return 0
 109
 110                 def setlevel(self, auth, level, savetodb=True):
 111                         auth = auth.lower()
 112                         if savetodb:
 113                                 c = main.query("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level))
 114                                 if c:
 115                                         self.levels[auth] = level
 116                                         return True
 117                                 else:
 118                                         return False
 119
 120                 def userjoin(self, user, level=None):
 121                         if user not in self.users: self.users.append(user)
 122                         if level == 'op' and user not in self.ops: self.ops.append(user)
 123                         if level == 'voice' and user not in self.voices: self.voices.append(user)
 124                 def userpart(self, user):
 125                         if user in self.ops: self.ops.remove(user)
 126                         if user in self.voices: self.voices.remove(user)
 127                         if user in self.users: self.users.remove(user)
 128
 129                 def userop(self, user):
 130                         if user in self.users and user not in self.ops: self.ops.append(user)
 131                 def uservoice(self, user):
 132                         if user in self.users and user not in self.voices: self.voices.append(user)
 133                 def userdeop(self, user):
 134                         if user in self.ops: self.ops.remove(user)
 135                 def userdevoice(self, user):
 136                         if user in self.voices: self.voices.remove(user)
 137
 138                 def __str__(self): return self.name
 139                 def __repr__(self): return "<Channel %r>" % (self.name)
 140
 141         def __init__(self, cfg):
 142                 self.cfg = cfg
 143                 self.trigger = cfg.trigger
 144                 if os.name == "posix":
 145                         self.potype = "poll"
 146                         self.po = select.poll()
 147                 else: # f.e. os.name == "nt" (Windows)
 148                         self.potype = "select"
 149                         self.fdlist = []
 150
 151         def query(self, *args, **kwargs):
 152                 if 'norecurse' in kwargs:
 153                         norecurse = kwargs['norecurse']
 154                         del kwargs['norecurse']
 155                 else:
 156                         norecurse = False
 157
 158                 self.log("[SQL]", "?", "query(%s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs])))
 159                 try:
 160                         curs = self.db.cursor()
 161                         res = curs.execute(*args, **kwargs)
 162                         if res:
 163                                 return curs
 164                         else:
 165                                 return res
 166                 except MySQLdb.MySQLError as e:
 167                         self.log("[SQL]", "!", "MySQL error! %r" % (e))
 168                         if not norecurse:
 169                                 dbsetup()
 170                                 return self.query(*args, norecurse=True, **kwargs)
 171                         else:
 172                                 raise e
 173
 174         def newbot(self, nick, user, bind, authname, authpass, server, port, realname):
 175                 if bind is None: bind = ''
 176                 obj = bot.Bot(self, nick, user, bind, authname, authpass, server, port, realname)
 177                 self.bots[nick.lower()] = obj
 178
 179         def newfd(self, obj, fileno):
 180                 self.fds[fileno] = obj
 181                 if self.potype == "poll":
 182                         self.po.register(fileno, select.POLLIN)
 183                 elif self.potype == "select":
 184                         self.fdlist.append(fileno)
 185
 186         def bot(self, name): #get Bot() by name (nick)
 187                 return self.bots[name.lower()]
 188         def fd(self, fileno): #get Bot() by fd/fileno
 189                 return self.fds[fileno]
 190         def randbot(self): #get Bot() randomly
 191                 return self.bots[random.choice(list(self.bots.keys()))]
 192
 193         def user(self, _nick, justjoined=False, create=True):
 194                 nick = _nick.lower()
 195                 if nick in self.users:
 196                         return self.users[nick]
 197                 elif create:
 198                         user = self.User(_nick)
 199                         self.users[nick] = user
 200
 201                         if justjoined:
 202                                 self.randbot().conn.send("WHO %s n%%ant,1" % (nick))
 203
 204                         return user
 205                 else:
 206                         return None
 207         def channel(self, name): #get Channel() by name
 208                 if name.lower() in self.chans:
 209                         return self.chans[name.lower()]
 210                 else:
 211                         return None
 212
 213         def newchannel(self, bot, name):
 214                 chan = self.Channel(name.lower(), bot)
 215                 self.chans[name.lower()] = chan
 216                 return chan
 217
 218         def poll(self):
 219                 if self.potype == "poll":
 220                         return [fd for (fd, ev) in self.po.poll()]
 221                 elif self.potype == "select":
 222                         return select.select(self.fdlist, [], [])[0]
 223
 224         def connectall(self):
 225                 for bot in self.bots.values():
 226                         if bot.conn.state == 0:
 227                                 bot.connect()
 228
 229         def module(self, name):
 230                 return ctlmod.modules[name]
 231
 232         def log(self, source, level, message):
 233                 print("%09.3f %s [%s] %s" % (time.time() % 100000, source, level, message))
 234
 235         def getuserbyauth(self, auth):
 236                 return [u for u in self.users.values() if u.auth == auth.lower()]
 237
 238         #bind functions
 239         def hook(self, word, handler):
 240                 try:
 241                         self.msghandlers[word].append(handler)
 242                 except:
 243                         self.msghandlers[word] = [handler]
 244         def unhook(self, word, handler):
 245                 if word in self.msghandlers and handler in self.msghandlers[word]:
 246                         self.msghandlers[word].remove(handler)
 247         def hashook(self, word):
 248                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 249         def gethook(self, word):
 250                 return self.msghandlers[word]
 251
 252         def hooknum(self, word, handler):
 253                 try:
 254                         self.numhandlers[word].append(handler)
 255                 except:
 256                         self.numhandlers[word] = [handler]
 257         def unhooknum(self, word, handler):
 258                 if word in self.numhandlers and handler in self.numhandlers[word]:
 259                         self.numhandlers[word].remove(handler)
 260         def hasnumhook(self, word):
 261                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 262         def getnumhook(self, word):
 263                 return self.numhandlers[word]
 264
 265         def hookchan(self, chan, handler):
 266                 try:
 267                         self.chanhandlers[chan].append(handler)
 268                 except:
 269                         self.chanhandlers[chan] = [handler]
 270         def unhookchan(self, chan, handler):
 271                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 272                         self.chanhandlers[chan].remove(handler)
 273         def haschanhook(self, chan):
 274                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 275         def getchanhook(self, chan):
 276                 return self.chanhandlers[chan]
 277
 278
 279 def dbsetup():
 280         main.db = None
 281         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 282
 283 def setup():
 284         global cfg, main
 285
 286         cfg = config.setup('bot.config')
 287
 288         if cfg.getboolean('debug', 'gc'):
 289                 gc.set_debug(gc.DEBUG_LEAK)
 290
 291         pidfile = open(cfg.pidfile, 'w')
 292         pidfile.write(str(os.getpid()))
 293         pidfile.close()
 294
 295         main = Erebus(cfg)
 296
 297         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 298         for mod in autoloads:
 299                 ctlmod.load(main, mod)
 300
 301         dbsetup()
 302         c = main.query("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1")
 303         if c:
 304                 rows = c.fetchall()
 305                 c.close()
 306                 for row in rows:
 307                         main.newbot(row['nick'], row['user'], row['bind'], row['authname'], row['authpass'], cfg.host, cfg.port, cfg.realname)
 308         main.connectall()
 309
 310 def loop():
 311         poready = main.poll()
 312         for fileno in poready:
 313                 for line in main.fd(fileno).getdata():
 314                         main.fd(fileno).parse(line)
 315
 316 if __name__ == '__main__':
 317         try: os.rename('logfile', 'oldlogs/%s' % (time.time()))
 318         except: pass
 319         sys.stdout = open('logfile', 'w', 1)
 320         sys.stderr = sys.stdout
 321         setup()
 322         while True: loop()