mirror of
https://github.com/jlu5/PyLink.git
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138 lines
4.2 KiB
Python
138 lines
4.2 KiB
Python
import string
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import re
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from collections import defaultdict
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global bot_commands, command_hooks
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# This should be a mapping of command names to functions
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bot_commands = {}
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command_hooks = defaultdict(list)
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class TS6UIDGenerator():
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"""TS6 UID Generator module, adapted from InspIRCd source
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https://github.com/inspircd/inspircd/blob/f449c6b296ab/src/server.cpp#L85-L156
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"""
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def __init__(self, sid):
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# TS6 UIDs are 6 characters in length (9 including the SID).
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# They wrap from ABCDEFGHIJKLMNOPQRSTUVWXYZ -> 0123456789 -> wrap around:
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# (e.g. AAAAAA, AAAAAB ..., AAAAA8, AAAAA9, AAAABA)
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self.allowedchars = string.ascii_uppercase + string.digits
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self.uidchars = [self.allowedchars[0]]*6
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self.sid = sid
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def increment(self, pos=5):
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# If we're at the last character in the list of allowed ones, reset
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# and increment the next level above.
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if self.uidchars[pos] == self.allowedchars[-1]:
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self.uidchars[pos] = self.allowedchars[0]
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self.increment(pos-1)
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else:
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# Find what position in the allowed characters list we're currently
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# on, and add one.
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idx = self.allowedchars.find(self.uidchars[pos])
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self.uidchars[pos] = self.allowedchars[idx+1]
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def next_uid(self):
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uid = self.sid + ''.join(self.uidchars)
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self.increment()
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return uid
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def msg(irc, target, text, notice=False):
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command = 'NOTICE' if notice else 'PRIVMSG'
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irc.proto._sendFromUser(irc, irc.pseudoclient.uid, '%s %s :%s' % (command, target, text))
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def add_cmd(func, name=None):
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if name is None:
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name = func.__name__
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name = name.lower()
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bot_commands[name] = func
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def add_hook(func, command):
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"""Add a hook <func> for command <command>."""
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command = command.lower()
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command_hooks[command].append(func)
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def nickToUid(irc, nick):
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for k, v in irc.users.items():
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if v.nick == nick:
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return k
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def clientToServer(irc, numeric):
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"""<irc object> <numeric>
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Finds the server SID of user <numeric> and returns it."""
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for server in irc.servers:
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if numeric in irc.servers[server].users:
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return server
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# A+ regex
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_nickregex = r'^[A-Za-z\|\\_\[\]\{\}\^\`][A-Z0-9a-z\-\|\\_\[\]\{\}\^\`]*$'
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def isNick(s, nicklen=None):
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if nicklen and len(s) > nicklen:
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return False
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return bool(re.match(_nickregex, s))
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def isChannel(s):
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return s.startswith('#')
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def _isASCII(s):
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chars = string.ascii_letters + string.digits + string.punctuation
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return all(char in chars for char in s)
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def isServerName(s):
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return _isASCII(s) and '.' in s and not s.startswith('.') \
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and not s.endswith('.')
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def parseModes(args):
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"""['+mitl-o', '3', 'person'] => ['+m', '+i', '+t', '-o']
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TODO: handle modes with extra arguments (mainly channel modes like +beIqlk)
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"""
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modes = args[0]
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extramodes = args[1:]
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if not modes:
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return ValueError('No modes supplied in parseModes query: %r' % modes)
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res = []
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for mode in modes:
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if mode in '+-':
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prefix = mode
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else:
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res.append(prefix + mode)
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return res
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def applyModes(modelist, changedmodes):
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modelist = modelist.copy()
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print('Initial modelist: %s' % modelist)
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print('Changedmodes: %r' % changedmodes)
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for mode in changedmodes:
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if mode[0] == '+':
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# We're adding a mode
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modelist.add(mode)
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print('Adding mode %r' % mode)
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else:
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# We're removing a mode
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modelist.discard(mode)
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print('Removing mode %r' % mode)
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print('Final modelist: %s' % modelist)
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return modelist
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def joinModes(modes):
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return '+' + ''.join(mode[1] for mode in modes)
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def isInternalClient(irc, numeric):
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"""<irc object> <client numeric>
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Checks whether <client numeric> is a PyLink PseudoClient,
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returning the SID of the PseudoClient's server if True.
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"""
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for sid in irc.servers:
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if irc.servers[sid].internal and numeric in irc.servers[sid].users:
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return sid
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def isInternalServer(irc, sid):
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"""<irc object> <sid>
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Returns whether <sid> is an internal PyLink PseudoServer.
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"""
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return (sid in irc.servers and irc.servers[sid].internal)
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