erebus.py

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