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relay: LINKACL command (Closes #88)

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This commit is contained in:
James Lu 2015-08-25 20:18:14 -07:00
parent da0101e750
commit 51389b96e2
1 changed files with 49 additions and 0 deletions
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49
plugins/relay.py
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@ -836,6 +836,9 @@ def link(irc, source, args):
utils.msg(irc, source, 'Error: no such relay %r exists.' % channel)
return
else:
if irc.name in entry['blocked_nets']:
utils.msg(irc, source, 'Error: access denied (network is banned from linking to this channel).')
return
for link in entry['links']:
if link[0] == irc.name:
utils.msg(irc, source, "Error: remote channel '%s%s' is already"
@ -983,3 +986,49 @@ def handle_spawnmain(irc, numeric, command, args):
# it joins all the relay channels like it's supposed to.
initializeAll(irc)
utils.add_hook(handle_spawnmain, 'PYLINK_SPAWNMAIN')
@utils.add_cmd
def linkacl(irc, source, args):
"""ALLOW|DENY|LIST <channel> <remotenet>
Allows blocking / unblocking certain networks from linking to a relay, based on a blacklist.
LINKACL LIST returns a list of blocked networks for a channel, while the ALLOW and DENY subcommands allow manipulating this blacklist."""
missingargs = "Error: not enough arguments. Needs 2-3: subcommand (ALLOW/DENY/LIST), channel, remote network (for ALLOW/DENY)."
if not utils.isOper(irc, source):
utils.msg(irc, source, 'Error: you must be opered in order to complete this operation.')
return
try:
cmd = args[0].lower()
channel = args[1].lower()
except IndexError:
utils.msg(irc, source, missingargs)
return
if not utils.isChannel(channel):
utils.msg(irc, source, 'Error: invalid channel %r.' % channel)
return
relay = findRelay((irc.name, channel))
if not relay:
utils.msg(irc, source, 'Error: no such relay %r exists.' % channel)
return
if cmd == 'list':
s = 'Blocked networks for \x02%s\x02: \x02%s\x02' % (channel, ', '.join(db[relay]['blocked_nets']) or '(empty)')
utils.msg(irc, source, s)
return
try:
remotenet = args[2]
except IndexError:
utils.msg(irc, source, missingargs)
return
if cmd == 'deny':
db[relay]['blocked_nets'].add(remotenet)
utils.msg(irc, source, 'Done.')
elif cmd == 'allow':
try:
db[relay]['blocked_nets'].remove(remotenet)
except KeyError:
utils.msg(irc, source, 'Error: network %r is not on the blacklist for %r.' % (remotenet, channel))
else:
utils.msg(irc, source, 'Done.')
else:
utils.msg(irc, source, 'Error: unknown subcommand %r: valid ones are ALLOW, DENY, and LIST.' % cmd)