mirror of
https://github.com/jlu5/PyLink.git
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80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
"""
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ircs2s_common.py: Common base protocol class with functions shared by TS6 and P10-based protocols.
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"""
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from pylinkirc.classes import Protocol
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from pylinkirc.log import log
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class IRCS2SProtocol(Protocol):
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def handle_kill(self, source, command, args):
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"""Handles incoming KILLs."""
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killed = args[0]
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# Depending on whether the IRCd sends explicit QUIT messages for
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# killed clients, the user may or may not have automatically been
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# removed from our user list.
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# If not, we have to assume that KILL = QUIT and remove them
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# ourselves.
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data = self.irc.users.get(killed)
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if data:
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self.removeClient(killed)
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# TS6-style kills look something like this:
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# <- :GL KILL 38QAAAAAA :hidden-1C620195!GL (test)
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# What we actually want is to format a pretty kill message, in the form
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# "Killed (killername (reason))".
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try:
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# Get the nick or server name of the caller.
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killer = self.irc.getFriendlyName(source)
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except KeyError:
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# Killer was... neither? We must have aliens or something. Fallback
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# to the given "UID".
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killer = source
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# Get the reason, which is enclosed in brackets.
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reason = ' '.join(args[1].split(" ")[1:])
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killmsg = "Killed (%s %s)" % (killer, reason)
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return {'target': killed, 'text': killmsg, 'userdata': data}
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def handle_squit(self, numeric, command, args):
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"""Handles incoming SQUITs."""
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# <- ABAAE SQ nefarious.midnight.vpn 0 :test
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split_server = self._getSid(args[0])
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affected_users = []
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log.debug('(%s) Splitting server %s (reason: %s)', self.irc.name, split_server, args[-1])
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if split_server not in self.irc.servers:
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log.warning("(%s) Tried to split a server (%s) that didn't exist!", self.irc.name, split_server)
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return
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# Prevent RuntimeError: dictionary changed size during iteration
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old_servers = self.irc.servers.copy()
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# Cycle through our list of servers. If any server's uplink is the one that is being SQUIT,
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# remove them and all their users too.
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for sid, data in old_servers.items():
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if data.uplink == split_server:
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log.debug('Server %s also hosts server %s, removing those users too...', split_server, sid)
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# Recursively run SQUIT on any other hubs this server may have been connected to.
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args = self.handle_squit(sid, 'SQUIT', [sid, "0",
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"PyLink: Automatically splitting leaf servers of %s" % sid])
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affected_users += args['users']
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for user in self.irc.servers[split_server].users.copy():
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affected_users.append(user)
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log.debug('Removing client %s (%s)', user, self.irc.users[user].nick)
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self.removeClient(user)
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sname = self.irc.servers[split_server].name
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uplink = self.irc.servers[split_server].uplink
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del self.irc.servers[split_server]
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log.debug('(%s) Netsplit affected users: %s', self.irc.name, affected_users)
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return {'target': split_server, 'users': affected_users, 'name': sname,
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'uplink': uplink}
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