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relay: be more tolerant to users sending messages to channels they're not in

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This extends the routing of messages from servers across the relay via the main PyLink client to users too.
This allows atheme's GameServ, various commit announcers, etc. to work over relay regardless of whether +n is set.
This commit is contained in:
James Lu 2016-06-25 11:28:51 -07:00
parent 167963ddc4
commit f445f7baef
1 changed files with 26 additions and 30 deletions
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56
plugins/relay.py
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@ -898,22 +898,11 @@ def handle_messages(irc, numeric, command, args):
# but whatever).
return
elif numeric in irc.servers:
# Sender is a server? This shouldn't be allowed, except for some truly
# special cases... We'll route these through the main PyLink client,
# tagging the message with the sender name.
text = '[from %s] %s' % (irc.servers[numeric].name, text)
numeric = irc.pseudoclient.uid
elif numeric not in irc.users:
# Sender didn't pass the check above, AND isn't a user.
log.debug('(%s) relay.handle_messages: Unknown message sender %s.', irc.name, numeric)
return
relay = getRelay((irc.name, target))
remoteusers = relayusers[(irc.name, numeric)]
# HACK: Don't break on sending to @#channel or similar.
# HACK: Don't break on sending to @#channel or similar. TODO: This should really
# be handled more neatly in core.
try:
prefix, target = target.split('#', 1)
except ValueError:
@ -921,16 +910,6 @@ def handle_messages(irc, numeric, command, args):
else:
target = '#' + target
log.debug('(%s) relay.handle_messages: prefix is %r, target is %r', irc.name, prefix, target)
if utils.isChannel(target) and relay and numeric not in irc.channels[target].users:
# The sender must be in the target channel to send messages over the relay;
# it's the only way we can make sure they have a spawned client on ALL
# of the linked networks. This affects -n channels too; see
# https://github.com/GLolol/PyLink/issues/91 for an explanation of why.
irc.msg(numeric, 'Error: You must be in %r in order to send '
'messages over the relay.' % target, notice=True)
return
if utils.isChannel(target):
for name, remoteirc in world.networkobjects.copy().items():
real_target = getRemoteChan(irc, remoteirc, target)
@ -942,14 +921,31 @@ def handle_messages(irc, numeric, command, args):
continue
user = getRemoteUser(irc, remoteirc, numeric, spawnIfMissing=False)
if user: # If the user doesn't exist, drop the message.
real_target = prefix + real_target
log.debug('(%s) relay.handle_messages: sending message to %s from %s on behalf of %s',
irc.name, real_target, user, numeric)
if notice:
remoteirc.proto.notice(user, real_target, text)
if not user:
# No relay clone exists for the sender; route the message through our
# main client.
if numeric in irc.servers:
displayedname = irc.servers[numeric].name
else:
remoteirc.proto.message(user, real_target, text)
displayedname = irc.users[numeric].nick
real_text = '[from %s/%s] %s' % (displayedname, irc.name, text)
try:
user = remoteirc.pseudoclient.uid
except AttributeError:
# Remote main client hasn't spawned yet. Drop the message.
continue
else:
real_text = text
real_target = prefix + real_target
log.debug('(%s) relay.handle_messages: sending message to %s from %s on behalf of %s',
irc.name, real_target, user, numeric)
if notice:
remoteirc.proto.notice(user, real_target, real_text)
else:
remoteirc.proto.message(user, real_target, real_text)
else:
# Get the real user that the PM was meant for