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                         auth = auth.lower()
  82                         if auth in self.levels:
  83                                 return self.levels[auth]
  84                         else:
  85                                 return 0
  86
  87                 def setlevel(self, auth, level, savetodb=True):
  88                         auth = auth.lower()
  89                         if savetodb:
  90                                 c = main.db.cursor()
  91                                 if c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level)):
  92                                         self.levels[auth] = level
  93                                         return True
  94                                 else:
  95                                         return False
  96
  97                 def userjoin(self, user, level=None):
  98                         if user not in self.users: self.users.append(user)
  99                         if level == 'op' and user not in self.ops: self.ops.append(user)
 100                         if level == 'voice' and user not in self.voices: self.voices.append(user)
 101                 def userpart(self, user):
 102                         if user in self.ops: self.ops.remove(user)
 103                         if user in self.voices: self.voices.remove(user)
 104                         if user in self.users: self.users.remove(user)
 105
 106                 def userop(self, user):
 107                         if user in self.users and user not in self.ops: self.ops.append(user)
 108                 def uservoice(self, user):
 109                         if user in self.users and user not in self.voices: self.voices.append(user)
 110                 def userdeop(self, user):
 111                         if user in self.ops: self.ops.remove(user)
 112                 def userdevoice(self, user):
 113                         if user in self.voices: self.voices.remove(user)
 114
 115                 def __str__(self): return self.name
 116                 def __repr__(self): return "<Channel %r>" % (self.name)
 117
 118         def __init__(self, trigger):
 119                 self.trigger = trigger
 120                 if os.name == "posix":
 121                         self.potype = "poll"
 122                         self.po = select.poll()
 123                 else: # f.e. os.name == "nt" (Windows)
 124                         self.potype = "select"
 125                         self.fdlist = []
 126
 127         def newbot(self, nick, user, bind, server, port, realname):
 128                 if bind is None: bind = ''
 129                 obj = bot.Bot(self, nick, user, bind, server, port, realname)
 130                 self.bots[nick.lower()] = obj
 131
 132         def newfd(self, obj, fileno):
 133                 self.fds[fileno] = obj
 134                 if self.potype == "poll":
 135                         self.po.register(fileno, select.POLLIN)
 136                 elif self.potype == "select":
 137                         self.fdlist.append(fileno)
 138
 139         def bot(self, name): #get Bot() by name (nick)
 140                 return self.bots[name.lower()]
 141         def fd(self, fileno): #get Bot() by fd/fileno
 142                 return self.fds[fileno]
 143         def randbot(self): #get Bot() randomly
 144                 for b in self.bots.itervalues(): return b #TODO
 145
 146         def user(self, _nick, justjoined=False):
 147                 nick = _nick.lower()
 148                 if nick in self.users:
 149                         return self.users[nick]
 150                 else:
 151                         user = self.User(_nick)
 152                         self.users[nick] = user
 153
 154                         if justjoined:
 155                                 self.randbot().conn.send("WHO %s n%%ant,2" % (nick))
 156
 157                         return user
 158         def channel(self, name): #get Channel() by name
 159                 if name.lower() in self.chans:
 160                         return self.chans[name.lower()]
 161                 else:
 162                         return None
 163
 164         def newchannel(self, bot, name):
 165                 chan = self.Channel(name.lower(), bot)
 166                 self.chans[name.lower()] = chan
 167                 return chan
 168
 169         def poll(self):
 170                 if self.potype == "poll":
 171                         return [fd for (fd, ev) in self.po.poll()]
 172                 elif self.potype == "select":
 173                         return select.select(self.fdlist, [], [])[0]
 174
 175         def connectall(self):
 176                 for bot in self.bots.itervalues():
 177                         if bot.conn.state == 0:
 178                                 bot.connect()
 179
 180         def module(self, name):
 181                 return ctlmod.modules[name]
 182
 183         #bind functions
 184         def hook(self, word, handler):
 185                 try:
 186                         self.msghandlers[word].append(handler)
 187                 except:
 188                         self.msghandlers[word] = [handler]
 189         def unhook(self, word, handler):
 190                 if word in self.msghandlers and handler in self.msghandlers[word]:
 191                         self.msghandlers[word].remove(handler)
 192         def hashook(self, word):
 193                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 194         def gethook(self, word):
 195                 return self.msghandlers[word]
 196
 197         def hooknum(self, word, handler):
 198                 try:
 199                         self.numhandlers[word].append(handler)
 200                 except:
 201                         self.numhandlers[word] = [handler]
 202         def unhooknum(self, word, handler):
 203                 if word in self.numhandlers and handler in self.numhandlers[word]:
 204                         self.numhandlers[word].remove(handler)
 205         def hasnumhook(self, word):
 206                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 207         def getnumhook(self, word):
 208                 return self.numhandlers[word]
 209
 210         def hookchan(self, chan, handler):
 211                 try:
 212                         self.chanhandlers[chan].append(handler)
 213                 except:
 214                         self.chanhandlers[chan] = [handler]
 215         def unhookchan(self, chan, handler):
 216                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 217                         self.chanhandlers[chan].remove(handler)
 218         def haschanhook(self, chan):
 219                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 220         def getchanhook(self, chan):
 221                 return self.chanhandlers[chan]
 222
 223
 224 class MyCursor(MySQLdb.cursors.DictCursor):
 225         def execute(self, *args, **kwargs):
 226                 print "[SQL] [#] MyCursor.execute(self, %s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs]))
 227                 try:
 228                         super(self.__class__, self).execute(*args, **kwargs)
 229                 except MySQLdb.MySQLError as e:
 230                         print "[SQL] [!] MySQL error! %r" % (e)
 231                         dbsetup()
 232                         return False
 233                 return True
 234
 235
 236 def dbsetup():
 237         main.db = None
 238         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MyCursor)
 239
 240 def setup():
 241         global cfg, main
 242
 243         cfg = config.Config('bot.config')
 244         main = Erebus(cfg.trigger)
 245
 246         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 247         for mod in autoloads:
 248                 print "Loading %s" % (mod)
 249                 ctlmod.load(main, mod)
 250
 251         dbsetup()
 252         c = main.db.cursor()
 253         if c.execute("SELECT nick, user, bind FROM bots WHERE active = 1"):
 254                 rows = c.fetchall()
 255                 c.close()
 256                 for row in rows:
 257                         main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname)
 258         main.connectall()
 259
 260 def loop():
 261         poready = main.poll()
 262         for fileno in poready:
 263                 for line in main.fd(fileno).getdata():
 264                         main.fd(fileno).parse(line)
 265
 266 if __name__ == '__main__':
 267         setup()
 268         while True: loop()