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relay: don't allow linking to channels when the home network is down

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This check can be overridden via --force, and should stop unreliable TS checks from appearing instead

Closes #419.
This commit is contained in:
James Lu 2017-02-21 21:58:32 -08:00
parent 93c9b6289c
commit f432f6f082
1 changed files with 9 additions and 1 deletions
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10
plugins/relay.py
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@ -1745,6 +1745,13 @@ def link(irc, source, args):
log.info("(%s) relay: Forcing link %s%s -> %s%s", irc.name, irc.name, localchan, remotenet,
args.channel)
else:
if not world.networkobjects[remotenet].connected.is_set():
log.debug('(%s) relay: Blocking link request %s%s -> %s%s because the target '
'network is down', irc.name, irc.name, localchan, remotenet, args.channel)
irc.error("The target network %s is not connected; refusing to link (you may be "
"able to override this with the --force option)." % remotenet)
return
our_ts = irc.channels[localchan].ts
their_ts = world.networkobjects[remotenet].channels[args.channel].ts
if (our_ts < their_ts) and irc.protoname != 'clientbot':
@ -1752,7 +1759,8 @@ def link(irc, source, args):
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 "
"channel's (%s); refusing to link. You should clear the local channel %s first "
"before linking, or use a different local channel." % (localchan, our_ts, their_ts, localchan))
"before linking, or use a different local channel (you may be able to "
"override this with the --force option)." % (localchan, our_ts, their_ts, localchan))
return
entry['links'].add((irc.name, localchan))