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relay: migrate most protocol checks to protocol capabilities

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Some things I left out include modesync and op status checking on LINK, since these are pretty specific to Clientbot IRC.
This commit is contained in:
James Lu 2017-03-23 22:52:11 -07:00
parent bde27b0dde
commit 21670a5d51
1 changed files with 9 additions and 9 deletions
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18
plugins/relay.py
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@ -648,7 +648,7 @@ def relay_joins(irc, channel, users, ts, burst=True):
# Fetch the known channel TS and all the prefix modes for each user. This ensures
# the different sides of the relay are merged properly.
if irc.protoname == 'clientbot':
if not irc.proto.hasCap('has-ts'):
# Special hack for clientbot: just use the remote's modes so mode changes
# take precendence. protocols/clientbot does not track channel TS.
ts = remoteirc.channels[remotechan].ts
@ -783,7 +783,7 @@ def get_supported_cmodes(irc, remoteirc, channel, modes):
"for network %r.",
irc.name, modechar, arg, remoteirc.name)
if irc.protoname == 'clientbot' and irc.pseudoclient and arg == irc.pseudoclient.uid:
if (not irc.proto.hasCap('can-spawn-clients')) and irc.pseudoclient and arg == irc.pseudoclient.uid:
# Skip modesync on the main PyLink client.
log.debug("(%s) relay.get_supported_cmodes: filtering prefix change (%r, %r) on Clientbot relayer",
irc.name, name, arg)
@ -876,7 +876,7 @@ def handle_relay_whois(irc, source, command, args):
# Send account information if told to and the target is logged in.
wreply(330, "%s :is logged in (on %s) as" % (realuser.services_account, netname))
if checkSendKey('whois_show_server') and realirc.protoname != 'clientbot':
if checkSendKey('whois_show_server') and realirc.proto.hasCap('can-track-servers'):
wreply(320, ":is actually connected via the following server:")
realserver = realirc.getServer(uid)
realserver = realirc.servers[realserver]
@ -1017,7 +1017,7 @@ def handle_part(irc, numeric, command, args):
if numeric == irc.pseudoclient.uid:
# For clientbot: treat forced parts to the bot as clearchan, and attempt to rejoin only
# if it affected a relay.
if irc.protoname == 'clientbot':
if not irc.proto.hasCap('can-spawn-clients'):
for channel in [c for c in channels if get_relay((irc.name, c))]:
for user in irc.channels[channel].users:
if (not irc.isInternalClient(user)) and (not isRelayClient(irc, user)):
@ -1148,7 +1148,7 @@ def handle_messages(irc, numeric, command, args):
return
remoteirc = world.networkobjects[homenet]
if remoteirc.protoname == 'clientbot' and not conf.conf.get('relay', {}).get('allow_clientbot_pms'):
if (not remoteirc.proto.hasCap('can-spawn-clients')) and not conf.conf.get('relay', {}).get('allow_clientbot_pms'):
irc.msg(numeric, 'Private messages to users connected via Clientbot have '
'been administratively disabled.', notice=True)
return
@ -1179,7 +1179,7 @@ def handle_kick(irc, source, command, args):
relay = get_relay((irc.name, channel))
# Special case for clientbot: treat kicks to the PyLink service bot as channel clear.
if irc.protoname == 'clientbot' and irc.pseudoclient and target == irc.pseudoclient.uid:
if (not irc.proto.hasCap('can-spawn-clients')) and irc.pseudoclient and target == irc.pseudoclient.uid:
for user in irc.channels[channel].users:
if (not irc.isInternalClient(user)) and (not isRelayClient(irc, user)):
reason = "Clientbot kicked by %s (Reason: %s)" % (irc.getFriendlyName(source), text)
@ -1246,7 +1246,7 @@ def handle_kick(irc, source, command, args):
# common channels with the target relay network.
rsid = get_remote_sid(remoteirc, irc)
log.debug('(%s) relay.handle_kick: Kicking %s from channel %s via %s on behalf of %s/%s', irc.name, real_target, remotechan, rsid, kicker, irc.name)
if irc.protoname == 'clientbot':
if not irc.proto.hasCap('can-spawn-clients'):
# Special case for clientbot: no kick prefixes are needed.
text = args['text']
else:
@ -1582,7 +1582,7 @@ def create(irc, source, args):
if not utils.isChannel(channel):
irc.error('Invalid channel %r.' % channel)
return
if irc.protoname == 'clientbot':
if not irc.proto.hasCap('can-host-relay'):
irc.error('Clientbot networks cannot be used to host a relay.')
return
if source not in irc.channels[channel].users:
@ -1780,7 +1780,7 @@ def link(irc, source, args):
our_ts = irc.channels[localchan].ts
their_ts = world.networkobjects[remotenet].channels[args.channel].ts
if (our_ts < their_ts) and irc.protoname != 'clientbot':
if (our_ts < their_ts) and irc.proto.hasCap('has-ts'):
log.debug('(%s) relay: Blocking link request %s%s -> %s%s due to bad TS (%s < %s)', irc.name,
irc.name, localchan, remotenet, args.channel, our_ts, their_ts)
irc.error("The channel creation date (TS) on %s (%s) is lower than the target "