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antispam: allow individual punishments to fail gracefully when not supported

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This commit is contained in:
James Lu 2018-06-02 00:30:07 -07:00
parent 186b73c72d
commit b120e2d701
1 changed files with 38 additions and 6 deletions
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36
plugins/antispam.py
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@ -14,10 +14,15 @@ EXEMPT_OPTIONS = ['voice', 'halfop', 'op']
DEFAULT_EXEMPT_OPTION = 'halfop'
def _punish(irc, target, channel, punishment, reason):
"""Punishes the target user. This function returns True if the user was successfully punished."""
if irc.is_oper(target, allowAuthed=False):
if target not in irc.users:
log.warning("(%s) antispam: got target %r that isn't a user?", irc.name, target)
return False
elif irc.is_oper(target, allowAuthed=False):
log.debug("(%s) antispam: refusing to punish oper %s/%s", irc.name, target, irc.get_friendly_name(target))
return False
target_nick = irc.get_friendly_name(target)
exempt_level = irc.get_service_option('antispam', 'exempt_level', DEFAULT_EXEMPT_OPTION).lower()
c = irc.channels[channel]
@ -65,6 +70,7 @@ def _punish(irc, target, channel, punishment, reason):
'userdata': userdata, 'parse_as': 'KILL'}])
kill = False
successful_punishments = 0
for action in set(punishment.split('+')):
if action not in PUNISH_OPTIONS:
log.error('(%s) Antispam punishment %r is not a valid setting; '
@ -74,20 +80,46 @@ def _punish(irc, target, channel, punishment, reason):
return
elif action == 'kill':
kill = True # Delay kills so that the user data doesn't disappear.
# XXX factorize these blocks
elif action == 'kick':
try:
_kick()
except NotImplementedError:
log.warning("(%s) antispam: Kicks are not supported on this network, skipping; "
"target was %s/%s", irc.name, target_nick, channel)
else:
successful_punishments += 1
elif action == 'ban':
try:
_ban()
except (ValueError, NotImplementedError):
log.warning("(%s) antispam: Bans are not supported on this network, skipping; "
"target was %s/%s", irc.name, target_nick, channel)
else:
successful_punishments += 1
elif action == 'quiet':
try:
_quiet()
except (ValueError, NotImplementedError):
log.warning("(%s) antispam: Quiet is not supported on this network, skipping; "
"target was %s/%s", irc.name, target_nick, channel)
else:
successful_punishments += 1
if bans: # Set all bans at once to prevent spam
irc.mode(my_uid, channel, bans)
irc.call_hooks([my_uid, 'ANTISPAM_BAN',
{'target': channel, 'modes': bans, 'parse_as': 'MODE'}])
if kill:
try:
_kill()
return True
except NotImplementedError:
log.warning("(%s) antispam: Kills are not supported on this network, skipping; "
"target was %s/%s", irc.name, target_nick, channel)
else:
successful_punishments += 1
return bool(successful_punishments)
MASSHIGHLIGHT_DEFAULTS = {
'min_length': 50,