mirror of
https://github.com/jlu5/PyLink.git
synced 2024-11-23 11:09:22 +01:00
230 lines
8.9 KiB
Python
230 lines
8.9 KiB
Python
"""
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exttargets.py - Implements extended targets like $account:xyz, $oper, etc.
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"""
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from pylinkirc import world
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from pylinkirc.log import log
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__all__ = []
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def bind(func):
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"""
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Binds an exttarget with the given name.
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"""
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world.exttarget_handlers[func.__name__] = func
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return func
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@bind
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def account(irc, host, uid):
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"""
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$account exttarget handler. The following forms are supported, with groups separated by a
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literal colon. Account matching is case insensitive, while network name matching IS case
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sensitive.
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$account -> Returns True (a match) if the target is registered.
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$account:accountname -> Returns True if the target's account name matches the one given, and the
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target is connected to the local network.
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$account:accountname:netname -> Returns True if both the target's account name and origin
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network name match the ones given.
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$account:*:netname -> Matches all logged in users on the given network.
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"""
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userobj = irc.users[uid]
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homenet = irc.name
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if hasattr(userobj, 'remote'):
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# User is a PyLink Relay pseudoclient. Use their real services account on their
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# origin network.
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homenet, realuid = userobj.remote
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log.debug('(%s) exttargets.account: Changing UID of relay client %s to %s/%s', irc.name,
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uid, homenet, realuid)
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try:
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userobj = world.networkobjects[homenet].users[realuid]
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except KeyError: # User lookup failed. Bail and return False.
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log.exception('(%s) exttargets.account: KeyError finding %s/%s:', irc.name,
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homenet, realuid)
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return False
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slogin = irc.to_lower(str(userobj.services_account))
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# Split the given exttarget host into parts, so we know how many to look for.
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groups = host.split(':')
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log.debug('(%s) exttargets.account: groups to match: %s', irc.name, groups)
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if len(groups) == 1:
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# First scenario. Return True if user is logged in.
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return bool(slogin)
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elif len(groups) == 2:
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# Second scenario. Return True if the user's account matches the one given.
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return slogin == irc.to_lower(groups[1]) and homenet == irc.name
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else:
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# Third or fourth scenario. If there are more than 3 groups, the rest are ignored.
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# In other words: Return True if the user is logged in, the query matches either '*' or the
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# user's login, and the user is connected on the network requested.
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return slogin and (irc.to_lower(groups[1]) in ('*', slogin)) and (homenet == groups[2])
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@bind
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def ircop(irc, host, uid):
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"""
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$ircop exttarget handler. The following forms are supported, with groups separated by a
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literal colon. Oper types are matched case insensitively.
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$ircop -> Returns True (a match) if the target is opered.
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$ircop:*admin* -> Returns True if the target's is opered and their opertype matches the glob
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given.
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"""
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groups = host.split(':')
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log.debug('(%s) exttargets.ircop: groups to match: %s', irc.name, groups)
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if len(groups) == 1:
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# 1st scenario.
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return irc.is_oper(uid)
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else:
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# 2nd scenario. Match the opertype glob to the opertype.
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return irc.match_text(groups[1], irc.users[uid].opertype)
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@bind
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def server(irc, host, uid):
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"""
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$server exttarget handler. The following forms are supported, with groups separated by a
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literal colon. Server names are matched case insensitively, but SIDs ARE case sensitive.
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$server:server.name -> Returns True (a match) if the target is connected on the given server.
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$server:server.glob -> Returns True (a match) if the target is connected on a server matching the glob.
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$server:1XY -> Returns True if the target's is connected on the server with the given SID.
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"""
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groups = host.split(':')
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log.debug('(%s) exttargets.server: groups to match: %s', irc.name, groups)
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if len(groups) >= 2:
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sid = irc.get_server(uid)
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query = groups[1]
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# Return True if the SID matches the query or the server's name glob matches it.
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return sid == query or irc.match_text(query, irc.get_friendly_name(sid))
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# $server alone is invalid. Don't match anything.
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return False
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@bind
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def channel(irc, host, uid):
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"""
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$channel exttarget handler. The following forms are supported, with groups separated by a
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literal colon. Channel names are matched case insensitively.
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$channel:#channel -> Returns True if the target is in the given channel.
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$channel:#channel:op -> Returns True if the target is in the given channel, and is opped.
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Any other supported prefix (owner, admin, op, halfop, voice) can be given, but only one at a
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time.
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"""
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groups = host.split(':')
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log.debug('(%s) exttargets.channel: groups to match: %s', irc.name, groups)
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try:
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channel = groups[1]
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except IndexError: # No channel given, abort.
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return False
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if channel not in irc.channels:
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# Channel doesn't even exist...
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return False
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if len(groups) == 2:
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# Just #channel was given as query
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return uid in irc.channels[channel].users
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elif len(groups) >= 3:
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# For things like #channel:op, check if the query is in the user's prefix modes.
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return (uid in irc.channels[channel].users) and (groups[2].lower() in irc.channels[channel].get_prefix_modes(uid))
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@bind
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def pylinkacc(irc, host, uid):
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"""
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$pylinkacc (PyLink account) exttarget handler. The following forms are supported, with groups
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separated by a literal colon. Account matching is case insensitive.
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$pylinkacc -> Returns True if the target is logged in to PyLink.
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$pylinkacc:accountname -> Returns True if the target's PyLink login matches the one given.
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"""
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login = irc.to_lower(irc.users[uid].account)
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groups = list(map(irc.to_lower, host.split(':')))
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log.debug('(%s) exttargets.pylinkacc: groups to match: %s', irc.name, groups)
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if len(groups) == 1:
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# First scenario. Return True if user is logged in.
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return bool(login)
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elif len(groups) == 2:
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# Second scenario. Return True if the user's login matches the one given.
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return login == groups[1]
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@bind
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def network(irc, host, uid):
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"""
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$network exttarget handler. This exttarget takes one argument: a network name, and returns
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a match for all users on that network.
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Note: network names are case sensitive.
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"""
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try:
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targetnet = host.split(':')[1]
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except IndexError: # No network arg given, bail.
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return False
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userobj = irc.users[uid]
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if hasattr(userobj, 'remote'):
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# User is a PyLink Relay client; set the correct network name.
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homenet = userobj.remote[0]
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else:
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homenet = irc.name
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return homenet == targetnet
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# Note: "and" can't be a function name so we use this.
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def exttarget_and(irc, host, uid):
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"""
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$and exttarget handler. This exttarget takes a series of exttargets (or hostmasks) joined with
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a "+", and returns True if all sub exttargets match.
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Examples:
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$and:($ircop:*admin*+$network:ovd) -> Matches all opers on the network ovd.
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$and:($account+$pylinkirc) -> Matches all users logged in to both services and PyLink.
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$and:(*!*@localhost+$ircop) -> Matches all opers with the host `localhost`.
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$and:(*!*@*.mibbit.com+!$ircop+!$account) -> Matches all mibbit users that aren't opered or logged in to services.
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"""
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targets = host.split(':', 1)[-1]
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# For readability, this requires that the exttarget list be wrapped in brackets.
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if not (targets.startswith('(') and targets.endswith(')')):
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return False
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targets = targets[1:-1]
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targets = list(filter(None, targets.split('+')))
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log.debug('exttargets_and: using raw subtargets list %r (original query=%r)', targets, host)
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# Wrap every subtarget into irc.match_host and return True if all subtargets return True.
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return all(map(lambda sub_exttarget: irc.match_host(sub_exttarget, uid), targets))
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world.exttarget_handlers['and'] = exttarget_and
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@bind
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def realname(irc, host, uid):
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"""
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$realname exttarget handler. This takes one argument: a glob, which is compared case-insensitively to the user's real name.
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Examples:
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$realname:*James* -> matches anyone with "James" in their real name.
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"""
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groups = host.split(':')
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if len(groups) >= 2:
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return irc.match_text(groups[1], irc.users[uid].realname)
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@bind
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def service(irc, host, uid):
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"""
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$service exttarget handler. This takes one optional argument: a glob, which is compared case-insensitively to the target user's service name (if present).
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Examples:
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$service -> Matches any PyLink service bot.
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$service:automode -> Matches the Automode service bot.
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"""
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if not irc.users[uid].service:
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return False
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groups = host.split(':')
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if len(groups) >= 2:
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return irc.match_text(groups[1], irc.users[uid].service)
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return True # It *is* a service bot because of the check at the top.
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