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PyLink/coremods/exttargets.py

60 lines
2.4 KiB
Python

"""
exttargets.py - Implements extended targets like $account:xyz, $oper, etc.
"""
from pylinkirc import world
from pylinkirc.log import log
def bind(func):
"""
Binds an exttarget with the given name.
"""
world.exttarget_handlers[func.__name__] = func
return func
@bind
def account(irc, host, uid):
"""
$account exttarget handler. The following forms are supported, with groups separated by a
literal colon. All account and network name matching is currently case sensitive:
$account -> Returns True (a match) if the target is registered.
$account:accountname -> Returns True if the target's account name matches the one given, and the
target is connected to the local network..
$account:accountname:netname -> Returns True if both the target's account name and origin
network name match the ones given.
$account:*:netname -> Matches all logged in users on the given network.
"""
userobj = irc.users[uid]
homenet = irc.name
if hasattr(userobj, 'remote'):
# User is a PyLink Relay pseudoclient. Use their real services account on their
# origin network.
homenet, realuid = userobj.remote
log.debug('(%s) exttargets.account: Changing UID of relay client %s to %s/%s', irc.name,
uid, homenet, realuid)
try:
userobj = world.networkobjects[homenet].users[realuid]
except KeyError: # User lookup failed. Bail and return False.
log.exception('(%s) exttargets.account: KeyError finding %s/%s:', irc.name,
homenet, realuid)
return False
slogin = userobj.services_account
# Split the given exttarget host into parts, so we know how many to look for.
groups = host.split(':')
log.debug('(%s) exttargets.account: groups to match: %s', irc.name, groups)
if len(groups) == 1:
# First scenario. Return True if user is logged in.
return bool(slogin)
elif len(groups) == 2:
# Second scenario. Return True if the user's account matches the one given.
return slogin == groups[1] and homenet == irc.name
else:
# Third or fourth scenario. If there are more than 3 groups, the rest are ignored.
# In other words: Return True if the user is logged in, the query matches either '*' or the
# user's login, abd the user is connected on the network requested.
return slogin and (groups[1] in ('*', slogin)) and (homenet == groups[2])