mirror of
https://github.com/jlu5/PyLink.git
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501 lines
21 KiB
Python
501 lines
21 KiB
Python
"""
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opercmds.py: Provides a subset of network management commands.
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"""
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import argparse
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from pylinkirc import utils, world
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from pylinkirc.log import log
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from pylinkirc.coremods import permissions
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# Having a hard limit here is sensible because otherwise it can flood the client or server off.
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CHECKBAN_MAX_RESULTS = 200
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def _checkban_positiveint(value):
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value = int(value)
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if value <= 0 or value > CHECKBAN_MAX_RESULTS:
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raise argparse.ArgumentTypeError("%s is not a positive integer between 1 and %s." % (value, CHECKBAN_MAX_RESULTS))
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return value
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checkban_parser = utils.IRCParser()
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checkban_parser.add_argument('banmask')
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checkban_parser.add_argument('target', nargs='?', default='')
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checkban_parser.add_argument('--channel', default='')
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checkban_parser.add_argument('--maxresults', type=_checkban_positiveint, default=50)
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def checkban(irc, source, args, use_regex=False):
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"""<banmask> [<target nick or hostmask>] [--channel #channel] [--maxresults <num>]
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CHECKBAN provides a ban checker command based on nick!user@host masks, user@host masks, and
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PyLink extended targets.
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If a target nick or hostmask is given, this command returns whether the given banmask will match it.
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Otherwise, it will display a list of connected users matching the banmask.
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If the --channel argument is given without a target mask, the returned results will only
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include users in the given channel.
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The --maxresults option configures how many responses will be shown."""
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permissions.check_permissions(irc, source, ['opercmds.checkban'])
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args = checkban_parser.parse_args(args)
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if not args.target:
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# No hostmask was given, return a list of matched users.
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results = 0
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userlist_func = irc.match_all_re if use_regex else irc.match_all
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irc.reply("Checking for hosts that match \x02%s\x02:" % args.banmask, private=True)
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for uid in userlist_func(args.banmask, channel=args.channel):
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if results < args.maxresults:
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userobj = irc.users[uid]
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s = "\x02%s\x02 (%s@%s) [%s] {\x02%s\x02}" % (userobj.nick, userobj.ident,
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userobj.host, userobj.realname, irc.get_friendly_name(irc.get_server(uid)))
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# Always reply in private to prevent information leaks.
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irc.reply(s, private=True)
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results += 1
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else:
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if results:
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irc.reply("\x02%s\x02 out of \x02%s\x02 results shown." %
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(min([results, args.maxresults]), results), private=True)
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else:
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irc.reply("No results found.", private=True)
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else:
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# Target can be both a nick (of an online user) or a hostmask. irc.match_host() handles this
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# automatically.
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if irc.match_host(args.banmask, args.target):
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irc.reply('Yes, \x02%s\x02 matches \x02%s\x02.' % (args.target, args.banmask))
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else:
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irc.reply('No, \x02%s\x02 does not match \x02%s\x02.' % (args.target, args.banmask))
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utils.add_cmd(checkban, aliases=('cban', 'trace'))
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def checkbanre(irc, source, args):
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"""<regular expression> [<target nick or hostmask>] [--channel #channel] [--maxresults <num>]
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CHECKBANRE provides a ban checker command based on regular expressions matched against
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users' "nick!user@host [gecos]" mask.
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If a target nick or hostmask is given, this command returns whether the given banmask will match it.
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Otherwise, it will display a list of connected users matching the banmask.
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If the --channel argument is given without a target mask, the returned results will only
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include users in the given channel.
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The --maxresults option configures how many responses will be shown."""
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permissions.check_permissions(irc, source, ['opercmds.checkban.re'])
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return checkban(irc, source, args, use_regex=True)
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utils.add_cmd(checkbanre, aliases=('crban',))
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massban_parser = utils.IRCParser()
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massban_parser.add_argument('channel')
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massban_parser.add_argument('banmask')
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# Regarding default ban reason: it's a good idea not to leave in the caller to prevent retaliation...
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massban_parser.add_argument('reason', nargs='*', default=["User banned"])
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massban_parser.add_argument('--quiet', '-q', action='store_true')
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massban_parser.add_argument('--force', '-f', action='store_true')
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massban_parser.add_argument('--include-opers', '-o', action='store_true')
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def massban(irc, source, args, use_regex=False):
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"""<channel> <banmask / exttarget> [<kick reason>] [--quiet/-q] [--force/-f] [--include-opers/-o]
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Applies (i.e. kicks affected users) the given PyLink banmask on the specified channel.
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The --quiet option can also be given to mass-mute the given user on networks where this is supported
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(currently ts6, unreal, and inspircd). No kicks will be sent in this case.
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By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
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Relay CLAIM checking is used on Relay channels if it is enabled; use the --force option
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to override this if needed."""
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permissions.check_permissions(irc, source, ['opercmds.massban'])
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args = massban_parser.parse_args(args)
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reason = ' '.join(args.reason)
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if args.force:
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permissions.check_permissions(irc, source, ['opercmds.massban.force'])
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if args.channel not in irc.channels:
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irc.error("Unknown channel %r." % args.channel)
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return
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elif 'relay' in world.plugins and (not world.plugins['relay'].check_claim(irc, args.channel, source)) and (not args.force):
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irc.error("You do not have access to set bans in %s. Ask someone to op you or use the --force option." % args.channel)
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return
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results = 0
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userlist_func = irc.match_all_re if use_regex else irc.match_all
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for uid in userlist_func(args.banmask, channel=args.channel):
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if irc.is_oper(uid) and not args.include_opers:
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irc.reply('Skipping banning \x02%s\x02 because they are opered.' % irc.users[uid].nick)
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continue
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elif irc.get_service_bot(uid):
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irc.reply('Skipping banning \x02%s\x02 because it is a service client.' % irc.users[uid].nick)
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continue
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# Remove the target's access before banning them.
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bans = [('-%s' % irc.cmodes[prefix], uid) for prefix in irc.channels[args.channel].get_prefix_modes(uid) if prefix in irc.cmodes]
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# Then, add the actual ban.
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bans += [irc.make_channel_ban(uid, ban_type='quiet' if args.quiet else 'ban')]
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irc.mode(irc.pseudoclient.uid, args.channel, bans)
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try:
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSBAN',
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{'target': args.channel, 'modes': bans, 'parse_as': 'MODE'}])
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except:
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log.exception('(%s) Failed to send process massban hook; some bans may have not '
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'been sent to plugins / relay networks!', irc.name)
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if not args.quiet:
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irc.kick(irc.pseudoclient.uid, args.channel, uid, reason)
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# XXX: this better not be blocking...
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try:
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKICK',
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{'channel': args.channel, 'target': uid, 'text': reason, 'parse_as': 'KICK'}])
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except:
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log.exception('(%s) Failed to send process massban hook; some kicks may have not '
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'been sent to plugins / relay networks!', irc.name)
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results += 1
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else:
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irc.reply('Banned %s users on %r.' % (results, args.channel))
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log.info('(%s) Ran massban%s for %s on %s (%s user(s) removed)', irc.name, 're' if use_regex else '',
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irc.get_hostmask(source), args.channel, results)
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utils.add_cmd(massban, aliases=('mban',))
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def massbanre(irc, source, args):
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"""<channel> <regular expression> [<kick reason>] [--quiet/-q] [--include-opers/-o]
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Bans users on the specified channel whose "nick!user@host [gecos]" mask matches the given Python-style regular expression.
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(https://docs.python.org/3/library/re.html#regular-expression-syntax describes supported syntax)
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The --quiet option can also be given to mass-mute the given user on networks where this is supported
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(currently ts6, unreal, and inspircd). No kicks will be sent in this case.
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By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
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\x02Be careful when using this command, as it is easy to make mistakes with regex. Use 'checkbanre'
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to check your bans first!\x02
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"""
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permissions.check_permissions(irc, source, ['opercmds.massban.re'])
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return massban(irc, source, args, use_regex=True)
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utils.add_cmd(massbanre, aliases=('rban',))
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masskill_parser = utils.IRCParser()
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masskill_parser.add_argument('banmask')
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# Regarding default ban reason: it's a good idea not to leave in the caller to prevent retaliation...
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masskill_parser.add_argument('reason', nargs='*', default=["User banned"], type=str)
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masskill_parser.add_argument('--akill', '-ak', action='store_true')
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masskill_parser.add_argument('--force-kb', '-f', action='store_true')
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masskill_parser.add_argument('--include-opers', '-o', action='store_true')
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def masskill(irc, source, args, use_regex=False):
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"""<banmask / exttarget> [<kill/ban reason>] [--akill/ak] [--force-kb/-f] [--include-opers/-o]
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Kills all users matching the given PyLink banmask.
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The --akill option can also be given to convert kills to akills, which expire after 7 days.
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For relay users, attempts to kill are forwarded as a kickban to every channel where the calling user
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meets claim requirements to set a ban (i.e. this is true if you are opped, if your network is in claim list, etc.;
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see "help CLAIM" for more specific rules). This can also be extended to all shared channels
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the user is in using the --force-kb option (we hope this feature is only used for good).
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By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
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To properly kill abusers on another network, combine this command with the 'remote' command in the
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'networks' plugin and adjust your banmasks accordingly."""
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permissions.check_permissions(irc, source, ['opercmds.masskill'])
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args = masskill_parser.parse_args(args)
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if args.force_kb:
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permissions.check_permissions(irc, source, ['opercmds.masskill.force'])
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reason = ' '.join(args.reason)
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results = killed = 0
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userlist_func = irc.match_all_re if use_regex else irc.match_all
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seen_users = set()
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for uid in userlist_func(args.banmask):
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userobj = irc.users[uid]
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if irc.is_oper(uid) and not args.include_opers:
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irc.reply('Skipping killing \x02%s\x02 because they are opered.' % userobj.nick)
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continue
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elif irc.get_service_bot(uid):
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irc.reply('Skipping killing \x02%s\x02 because it is a service client.' % userobj.nick)
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continue
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relay = world.plugins.get('relay')
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if relay and hasattr(userobj, 'remote'):
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# For relay users, forward kill attempts as kickban because we don't want networks k-lining each others' users.
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bans = [irc.make_channel_ban(uid)]
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for channel in userobj.channels.copy(): # Look in which channels the user appears to be in locally
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if (args.force_kb or relay.check_claim(irc, channel, source)):
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irc.mode(irc.pseudoclient.uid, channel, bans)
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irc.kick(irc.pseudoclient.uid, channel, uid, reason)
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# XXX: code duplication with massban.
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try:
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL_BAN',
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{'target': channel, 'modes': bans, 'parse_as': 'MODE'}])
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL_KICK',
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{'channel': channel, 'target': uid, 'text': reason, 'parse_as': 'KICK'}])
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except:
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log.exception('(%s) Failed to send process massban hook; some kickbans may have not '
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'been sent to plugins / relay networks!', irc.name)
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if uid not in seen_users: # Don't count users multiple times on different channels
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killed += 1
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else:
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irc.reply("Not kicking \x02%s\x02 from \x02%s\x02 because you don't have CLAIM access. If this is "
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"another network's channel, ask someone to op you or use the --force-kb option." % (userobj.nick, channel))
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else:
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if args.akill: # TODO: configurable length via strings such as "2w3d5h6m3s" - though month and minute clash this way?
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if not (userobj.realhost or userobj.ip):
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irc.reply("Skipping akill on %s because PyLink doesn't know the real host." % irc.get_hostmask(uid))
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continue
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irc.set_server_ban(irc.pseudoclient.uid, 604800, host=userobj.realhost or userobj.ip or userobj.host, reason=reason)
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else:
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irc.kill(irc.pseudoclient.uid, uid, reason)
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try:
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL',
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{'target': uid, 'parse_as': 'KILL', 'userdata': userobj, 'text': reason}])
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except:
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log.exception('(%s) Failed to send process massban hook; some kickbans may have not '
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'been sent to plugins / relay networks!', irc.name)
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killed += 1
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results += 1
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seen_users.add(uid)
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else:
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log.info('(%s) Ran masskill%s for %s (%s/%s user(s) removed)', irc.name, 're' if use_regex else '',
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irc.get_hostmask(source), killed, results)
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irc.reply('Masskilled %s/%s users.' % (killed, results))
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utils.add_cmd(masskill, aliases=('mkill',))
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def masskillre(irc, source, args):
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"""<regular expression> [<kill/ban reason>] [--akill/ak] [--force-kb/-f] [--include-opers/-o]
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Kills all users whose "nick!user@host [gecos]" mask matches the given Python-style regular expression.
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(https://docs.python.org/3/library/re.html#regular-expression-syntax describes supported syntax)
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The --akill option can also be given to convert kills to akills that expire after 7 days.
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For relay users, attempts to kill are forwarded as a kickban to every channel where the calling user
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meets claim requirements to set a ban (i.e. this is true if you are opped, if your network is in claim list, etc.;
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see "help CLAIM" for more specific rules). This can also be extended to all shared channels
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the user is in using the --force-kb option (we hope this feature is only used for good).
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By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
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\x02Be careful when using this command, as it is easy to make mistakes with regex. Use 'checkbanre'
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to check your bans first!\x02
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"""
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permissions.check_permissions(irc, source, ['opercmds.masskill.re'])
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return masskill(irc, source, args, use_regex=True)
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utils.add_cmd(masskillre, aliases=('rkill',))
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@utils.add_cmd
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def jupe(irc, source, args):
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"""<server> [<reason>]
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Jupes the given server."""
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permissions.check_permissions(irc, source, ['opercmds.jupe'])
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try:
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servername = args[0]
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reason = ' '.join(args[1:]) or "No reason given"
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desc = "Juped by %s: [%s]" % (irc.get_hostmask(source), reason)
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except IndexError:
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irc.error('Not enough arguments. Needs 1-2: servername, reason (optional).')
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return
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if not irc.is_server_name(servername):
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irc.error("Invalid server name %r." % servername)
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return
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sid = irc.spawn_server(servername, desc=desc)
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_SPAWNSERVER',
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{'name': servername, 'sid': sid, 'text': desc}])
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irc.reply("Done.")
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@utils.add_cmd
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def kick(irc, source, args):
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"""<channel> <user> [<reason>]
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Kicks <user> from the specified channel."""
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permissions.check_permissions(irc, source, ['opercmds.kick'])
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try:
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channel = args[0]
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target = args[1]
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reason = ' '.join(args[2:])
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except IndexError:
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irc.error("Not enough arguments. Needs 2-3: channel, target, reason (optional).")
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return
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targetu = irc.nick_to_uid(target)
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if channel not in irc.channels: # KICK only works on channels that exist.
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irc.error("Unknown channel %r." % channel)
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return
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if not targetu:
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# Whatever we were told to kick doesn't exist!
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irc.error("No such target nick %r." % target)
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return
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sender = irc.pseudoclient.uid
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irc.kick(sender, channel, targetu, reason)
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irc.reply("Done.")
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irc.call_hooks([sender, 'OPERCMDS_KICK', {'channel': channel, 'target': targetu,
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'text': reason, 'parse_as': 'KICK'}])
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@utils.add_cmd
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def kill(irc, source, args):
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"""<target> [<reason>]
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Kills the given target."""
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permissions.check_permissions(irc, source, ['opercmds.kill'])
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try:
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target = args[0]
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reason = ' '.join(args[1:])
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except IndexError:
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irc.error("Not enough arguments. Needs 1-2: target, reason (optional).")
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return
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# Convert the source and target nicks to UIDs.
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sender = irc.pseudoclient.uid
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targetu = irc.nick_to_uid(target)
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userdata = irc.users.get(targetu)
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if targetu not in irc.users:
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# Whatever we were told to kick doesn't exist!
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irc.error("No such nick %r." % target)
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return
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irc.kill(sender, targetu, reason)
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# Format the kill reason properly in hooks.
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reason = "Killed (%s (%s))" % (irc.get_friendly_name(sender), reason)
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irc.reply("Done.")
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irc.call_hooks([source, 'OPERCMDS_KILL', {'target': targetu, 'text': reason,
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'userdata': userdata, 'parse_as': 'KILL'}])
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@utils.add_cmd
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def mode(irc, source, args):
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"""<channel> <modes>
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Sets the given modes on the target channel."""
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permissions.check_permissions(irc, source, ['opercmds.mode'])
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try:
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target, modes = args[0], args[1:]
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except IndexError:
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irc.error('Not enough arguments. Needs 2: target, modes to set.')
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return
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if target not in irc.channels:
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irc.error("Unknown channel %r." % target)
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return
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elif not modes:
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# No modes were given before parsing (i.e. mode list was blank).
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irc.error("No valid modes were given.")
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return
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parsedmodes = irc.parse_modes(target, modes)
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if not parsedmodes:
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# Modes were given but they failed to parse into anything meaningful.
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# For example, "mode #somechan +o" would be erroneous because +o
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# requires an argument!
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irc.error("No valid modes were given.")
|
|
return
|
|
|
|
irc.mode(irc.pseudoclient.uid, target, parsedmodes)
|
|
|
|
# Call the appropriate hooks for plugins like relay.
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MODE',
|
|
{'target': target, 'modes': parsedmodes, 'parse_as': 'MODE'}])
|
|
|
|
irc.reply("Done.")
|
|
|
|
@utils.add_cmd
|
|
def topic(irc, source, args):
|
|
"""<channel> <topic>
|
|
|
|
Changes the topic in a channel."""
|
|
permissions.check_permissions(irc, source, ['opercmds.topic'])
|
|
try:
|
|
channel = args[0]
|
|
topic = ' '.join(args[1:])
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 2: channel, topic.")
|
|
return
|
|
|
|
if channel not in irc.channels:
|
|
irc.error("Unknown channel %r." % channel)
|
|
return
|
|
|
|
irc.topic(irc.pseudoclient.uid, channel, topic)
|
|
|
|
irc.reply("Done.")
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_TOPIC',
|
|
{'channel': channel, 'text': topic, 'setter': source,
|
|
'parse_as': 'TOPIC'}])
|
|
|
|
@utils.add_cmd
|
|
def chghost(irc, source, args):
|
|
"""<user> <new host>
|
|
|
|
Changes the visible host of the target user."""
|
|
chgfield(irc, source, args, 'host')
|
|
|
|
@utils.add_cmd
|
|
def chgident(irc, source, args):
|
|
"""<user> <new ident>
|
|
|
|
Changes the ident of the target user."""
|
|
chgfield(irc, source, args, 'ident')
|
|
|
|
@utils.add_cmd
|
|
def chgname(irc, source, args):
|
|
"""<user> <new name>
|
|
|
|
Changes the GECOS (realname) of the target user."""
|
|
chgfield(irc, source, args, 'name', 'GECOS')
|
|
|
|
def chgfield(irc, source, args, human_field, internal_field=None):
|
|
permissions.check_permissions(irc, source, ['opercmds.chg' + human_field])
|
|
try:
|
|
target = args[0]
|
|
new = args[1]
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 2: target, new %s." % human_field)
|
|
return
|
|
|
|
# Find the user
|
|
targetu = irc.nick_to_uid(target)
|
|
if targetu not in irc.users:
|
|
irc.error("No such nick %r." % target)
|
|
return
|
|
|
|
internal_field = internal_field or human_field.upper()
|
|
irc.update_client(targetu, internal_field, new)
|
|
irc.reply("Done.")
|