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