erebus.py

   1 #!/usr/bin/python
   2
   3 # Erebus IRC bot - Author: John Runyon
   4 # main startup code
   5
   6 import os, sys, select, MySQLdb, MySQLdb.cursors, time, random
   7 import bot, config, ctlmod
   8
   9 class Erebus(object):
  10         APIVERSION = 1
  11         RELEASE = 0
  12
  13         bots = {}
  14         fds = {}
  15         numhandlers = {}
  16         msghandlers = {}
  17         chanhandlers = {}
  18         users = {}
  19         chans = {}
  20
  21         class User(object):
  22                 def __init__(self, nick, auth=None):
  23                         self.nick = nick
  24                         self.auth = auth
  25                         self.checklevel()
  26
  27                         self.chans = []
  28
  29                 def msg(self, *args, **kwargs):
  30                         main.randbot().msg(self, *args, **kwargs)
  31                 def slowmsg(self, *args, **kwargs):
  32                         main.randbot().slowmsg(self, *args, **kwargs)
  33                 def fastmsg(self, *args, **kwargs):
  34                         main.randbot().fastmsg(self, *args, **kwargs)
  35
  36                 def isauthed(self):
  37                         return self.auth is not None
  38
  39                 def authed(self, auth):
  40                         if auth == '0': self.auth = None
  41                         else: self.auth = auth.lower()
  42                         self.checklevel()
  43
  44                 def checklevel(self):
  45                         if self.auth is None:
  46                                 self.glevel = -1
  47                         else:
  48                                 c = main.db.cursor()
  49                                 if c.execute("SELECT level FROM users WHERE auth = %s", (self.auth,)):
  50                                         row = c.fetchone()
  51                                         if row is not None:
  52                                                 self.glevel = row['level']
  53                                         else:
  54                                                 self.glevel = 0
  55                                 else:
  56                                         self.glevel = 0
  57                         return self.glevel
  58
  59                 def join(self, chan):
  60                         self.chans.append(chan)
  61                 def part(self, chan):
  62                         self.chans.remove(chan)
  63                 def quit(self):
  64                         for chan in self.chans:
  65                                 self.chans.remove(chan)
  66                 def nickchange(self, newnick):
  67                         self.nick = newnick
  68
  69                 def __str__(self): return self.nick
  70                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  71
  72         class Channel(object):
  73                 def __init__(self, name, bot):
  74                         self.name = name
  75                         self.bot = bot
  76                         self.levels = {}
  77
  78                         self.users = []
  79                         self.voices = []
  80                         self.ops = []
  81
  82                         c = main.db.cursor()
  83                         if c.execute("SELECT user, level FROM chusers WHERE chan = %s", (self.name,)):
  84                                 row = c.fetchone()
  85                                 while row is not None:
  86                                         self.levels[row['user']] = row['level']
  87                                         row = c.fetchone()
  88
  89
  90                 def msg(self, *args, **kwargs):
  91                         self.bot.msg(self, *args, **kwargs)
  92                 def slowmsg(self, *args, **kwargs):
  93                         self.bot.slowmsg(self, *args, **kwargs)
  94                 def fastmsg(self, *args, **kwargs):
  95                         self.bot.fastmsg(self, *args, **kwargs)
  96
  97                 def levelof(self, auth):
  98                         if auth is None:
  99                                 return 0
 100                         auth = auth.lower()
 101                         if auth in self.levels:
 102                                 return self.levels[auth]
 103                         else:
 104                                 return 0
 105
 106                 def setlevel(self, auth, level, savetodb=True):
 107                         auth = auth.lower()
 108                         if savetodb:
 109                                 c = main.db.cursor()
 110                                 if c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level)):
 111                                         self.levels[auth] = level
 112                                         return True
 113                                 else:
 114                                         return False
 115
 116                 def userjoin(self, user, level=None):
 117                         if user not in self.users: self.users.append(user)
 118                         if level == 'op' and user not in self.ops: self.ops.append(user)
 119                         if level == 'voice' and user not in self.voices: self.voices.append(user)
 120                 def userpart(self, user):
 121                         if user in self.ops: self.ops.remove(user)
 122                         if user in self.voices: self.voices.remove(user)
 123                         if user in self.users: self.users.remove(user)
 124
 125                 def userop(self, user):
 126                         if user in self.users and user not in self.ops: self.ops.append(user)
 127                 def uservoice(self, user):
 128                         if user in self.users and user not in self.voices: self.voices.append(user)
 129                 def userdeop(self, user):
 130                         if user in self.ops: self.ops.remove(user)
 131                 def userdevoice(self, user):
 132                         if user in self.voices: self.voices.remove(user)
 133
 134                 def __str__(self): return self.name
 135                 def __repr__(self): return "<Channel %r>" % (self.name)
 136
 137         def __init__(self, cfg):
 138                 self.cfg = cfg
 139                 self.trigger = cfg.trigger
 140                 if os.name == "posix":
 141                         self.potype = "poll"
 142                         self.po = select.poll()
 143                 else: # f.e. os.name == "nt" (Windows)
 144                         self.potype = "select"
 145                         self.fdlist = []
 146
 147         def newbot(self, nick, user, bind, authname, authpass, server, port, realname):
 148                 if bind is None: bind = ''
 149                 obj = bot.Bot(self, nick, user, bind, authname, authpass, server, port, realname)
 150                 self.bots[nick.lower()] = obj
 151
 152         def newfd(self, obj, fileno):
 153                 self.fds[fileno] = obj
 154                 if self.potype == "poll":
 155                         self.po.register(fileno, select.POLLIN)
 156                 elif self.potype == "select":
 157                         self.fdlist.append(fileno)
 158
 159         def bot(self, name): #get Bot() by name (nick)
 160                 return self.bots[name.lower()]
 161         def fd(self, fileno): #get Bot() by fd/fileno
 162                 return self.fds[fileno]
 163         def randbot(self): #get Bot() randomly
 164                 return self.bots[random.choice(self.bots.keys())]
 165
 166         def user(self, _nick, justjoined=False):
 167                 nick = _nick.lower()
 168                 if nick in self.users:
 169                         return self.users[nick]
 170                 else:
 171                         user = self.User(_nick)
 172                         self.users[nick] = user
 173
 174                         if justjoined:
 175                                 self.randbot().conn.send("WHO %s n%%ant,2" % (nick))
 176
 177                         return user
 178         def channel(self, name): #get Channel() by name
 179                 if name.lower() in self.chans:
 180                         return self.chans[name.lower()]
 181                 else:
 182                         return None
 183
 184         def newchannel(self, bot, name):
 185                 chan = self.Channel(name.lower(), bot)
 186                 self.chans[name.lower()] = chan
 187                 return chan
 188
 189         def poll(self):
 190                 if self.potype == "poll":
 191                         return [fd for (fd, ev) in self.po.poll()]
 192                 elif self.potype == "select":
 193                         return select.select(self.fdlist, [], [])[0]
 194
 195         def connectall(self):
 196                 for bot in self.bots.itervalues():
 197                         if bot.conn.state == 0:
 198                                 bot.connect()
 199
 200         def module(self, name):
 201                 return ctlmod.modules[name]
 202
 203         #bind functions
 204         def hook(self, word, handler):
 205                 try:
 206                         self.msghandlers[word].append(handler)
 207                 except:
 208                         self.msghandlers[word] = [handler]
 209         def unhook(self, word, handler):
 210                 if word in self.msghandlers and handler in self.msghandlers[word]:
 211                         self.msghandlers[word].remove(handler)
 212         def hashook(self, word):
 213                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 214         def gethook(self, word):
 215                 return self.msghandlers[word]
 216
 217         def hooknum(self, word, handler):
 218                 try:
 219                         self.numhandlers[word].append(handler)
 220                 except:
 221                         self.numhandlers[word] = [handler]
 222         def unhooknum(self, word, handler):
 223                 if word in self.numhandlers and handler in self.numhandlers[word]:
 224                         self.numhandlers[word].remove(handler)
 225         def hasnumhook(self, word):
 226                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 227         def getnumhook(self, word):
 228                 return self.numhandlers[word]
 229
 230         def hookchan(self, chan, handler):
 231                 try:
 232                         self.chanhandlers[chan].append(handler)
 233                 except:
 234                         self.chanhandlers[chan] = [handler]
 235         def unhookchan(self, chan, handler):
 236                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 237                         self.chanhandlers[chan].remove(handler)
 238         def haschanhook(self, chan):
 239                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 240         def getchanhook(self, chan):
 241                 return self.chanhandlers[chan]
 242
 243
 244 class MyCursor(MySQLdb.cursors.DictCursor):
 245         def execute(self, *args, **kwargs):
 246                 print "%05.3f [SQL] [#] MyCursor.execute(self, %s, %s)" % (time.time() % 100000, ', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs]))
 247                 try:
 248                         super(self.__class__, self).execute(*args, **kwargs)
 249                 except MySQLdb.MySQLError as e:
 250                         print "%05.3f [SQL] [!] MySQL error! %r" % (time.time() % 100000, e)
 251                         dbsetup()
 252                         return False
 253                 return True
 254
 255
 256 def dbsetup():
 257         main.db = None
 258         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MyCursor)
 259
 260 def setup():
 261         global cfg, main
 262
 263         cfg = config.Config('bot.config')
 264
 265         pidfile = open(cfg.pidfile, 'w')
 266         pidfile.write(str(os.getpid()))
 267         pidfile.close()
 268
 269         main = Erebus(cfg)
 270
 271         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 272         for mod in autoloads:
 273                 ctlmod.load(main, mod)
 274
 275         dbsetup()
 276         c = main.db.cursor()
 277         if c.execute("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1"):
 278                 rows = c.fetchall()
 279                 c.close()
 280                 for row in rows:
 281                         main.newbot(row['nick'], row['user'], row['bind'], row['authname'], row['authpass'], cfg.host, cfg.port, cfg.realname)
 282         main.connectall()
 283
 284 def loop():
 285         poready = main.poll()
 286         for fileno in poready:
 287                 for line in main.fd(fileno).getdata():
 288                         main.fd(fileno).parse(line)
 289
 290 if __name__ == '__main__':
 291         try: os.rename('logfile', 'oldlogs/%s' % (time.time()))
 292         except: pass
 293         sys.stdout = open('logfile', 'w')
 294         sys.stderr = sys.stdout
 295         setup()
 296         while True: loop()