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