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