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utils.parseModes: fix handling of mode "-k *" on TS6

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Charybdis allows unsetting +k without actually knowing the key by faking the argument when unsetting as a single "*". We'd need to know the real argument of the +k being removed, in order to remove the mode pair from the mode list.
This commit is contained in:
James Lu 2015-07-23 13:24:18 -07:00
parent 254ccea0a3
commit a8b16d9724
1 changed files with 13 additions and 0 deletions
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13
utils.py
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@ -178,9 +178,11 @@ def parseModes(irc, target, args):
if usermodes:
log.debug('(%s) Using irc.umodes for this query: %s', irc.name, irc.umodes)
supported_modes = irc.umodes
oldmodes = irc.users[target].modes
else:
log.debug('(%s) Using irc.cmodes for this query: %s', irc.name, irc.cmodes)
supported_modes = irc.cmodes
oldmodes = irc.channels[target].modes
res = []
for mode in modestring:
if mode in '+-':
@ -195,6 +197,17 @@ def parseModes(irc, target, args):
# Must have parameter.
log.debug('Mode %s: This mode must have parameter.', mode)
arg = args.pop(0)
if prefix == '-' and mode in supported_modes['*B'] and arg == '*':
# Charybdis allows unsetting +k without actually
# knowing the key by faking the argument when unsetting
# as a single "*".
# We'd need to know the real argument of +k for us to
# be able to unset the mode.
oldargs = [m[1] for m in oldmodes if m[0] == mode]
if oldargs:
# Set the arg to the old one on the channel.
arg = oldargs[0]
log.debug("Mode %s: coersing argument of '*' to %r.", mode, arg)
elif mode in irc.prefixmodes and not usermodes:
# We're setting a prefix mode on someone (e.g. +o user1)
log.debug('Mode %s: This mode is a prefix mode.', mode)