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https://github.com/jlu5/PyLink.git
synced 2024-11-01 01:09:22 +01:00
commit
fb6aa88d83
@ -2262,7 +2262,9 @@ def link(irc, source, args):
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irc.error('No such relay %r exists.' % args.channel)
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return
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else:
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if irc.name in entry['blocked_nets']:
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whitelist_mode = entry.get('use_whitelist', False)
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if ((not whitelist_mode) and irc.name in entry['blocked_nets']) or \
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(whitelist_mode and irc.name not in entry.get('allowed_nets', set())):
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irc.error('Access denied (target channel is not open to links).')
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return
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for link in entry['links']:
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@ -2433,12 +2435,16 @@ linked = utils.add_cmd(linked, featured=True)
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@utils.add_cmd
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def linkacl(irc, source, args):
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"""ALLOW|DENY|LIST <channel> <remotenet>
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"""ALLOW|DENY <channel> <remotenet> [OR] LIST <channel> [OR] WHITELIST <channel> [true/false]
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Allows blocking / unblocking certain networks from linking to a relayed channel, based on a blacklist.
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Allows managing link access control lists.
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LINKACL LIST returns a list of blocked networks for a channel, while the ALLOW and DENY subcommands allow manipulating this blacklist."""
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missingargs = "Not enough arguments. Needs 2-3: subcommand (ALLOW/DENY/LIST), channel, remote network (for ALLOW/DENY)."
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LINKACL LIST returns a list of whitelisted / blacklisted networks for a channel.
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LINKACL ALLOW and DENY allow manipulating the blacklist or whitelist for a channel.
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LINKACL WHITELIST allows showing and setting whether the channel uses a blacklist or a whitelist for ACL management."""
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missingargs = "Not enough arguments. Needs 2-3: subcommand (ALLOW/DENY/LIST/WHITELIST), channel, remote network (for ALLOW/DENY)."
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try:
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cmd = args[0].lower()
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@ -2446,16 +2452,42 @@ def linkacl(irc, source, args):
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except IndexError:
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irc.error(missingargs)
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return
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if not irc.is_channel(channel):
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irc.error('Invalid channel %r.' % channel)
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return
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relay = get_relay(irc, channel)
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if not relay:
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irc.error('No such relay %r exists.' % channel)
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return
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entry = db[relay]
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whitelist = entry.get('use_whitelist', False)
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if cmd == 'list':
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permissions.check_permissions(irc, source, ['relay.linkacl.view'])
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s = 'Blocked networks for \x02%s\x02: \x02%s\x02' % (channel, ', '.join(db[relay]['blocked_nets']) or '(empty)')
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if whitelist:
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s = 'Whitelisted networks for \x02%s\x02: \x02%s\x02' % (channel, ', '.join(entry['allowed_nets']) or '(empty)')
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else:
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s = 'Blocked networks for \x02%s\x02: \x02%s\x02' % (channel, ', '.join(entry.get('blocked_nets', set())) or '(empty)')
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irc.reply(s)
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return
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elif cmd == 'whitelist':
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s = 'Whitelist mode is currently \x02%s\x02 on \x02%s\x02.' % ('enabled' if whitelist else 'disabled', channel)
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if len(args) >= 3:
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setting = args[2].lower()
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if setting in ('y', 'yes', 'true', '1', 'on'):
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entry['use_whitelist'] = True
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irc.reply('Done. Whitelist mode \x02enabled\x02 on \x02%s\x02.' % channel)
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return
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elif setting in ('n', 'np', 'false', '0', 'off'):
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entry['use_whitelist'] = False
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irc.reply('Done. Whitelist mode \x02disabled\x02 on \x02%s\x02.' % channel)
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return
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else:
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irc.reply('Unknown option %r. %s' % (setting, s))
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return
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irc.reply(s)
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return
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@ -2465,16 +2497,34 @@ def linkacl(irc, source, args):
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except IndexError:
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irc.error(missingargs)
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return
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if cmd == 'deny':
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db[relay]['blocked_nets'].add(remotenet)
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irc.reply('Done.')
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elif cmd == 'allow':
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try:
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db[relay]['blocked_nets'].remove(remotenet)
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except KeyError:
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irc.error('Network %r is not on the blacklist for %r.' % (remotenet, channel))
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if whitelist:
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# In whitelist mode, DENY *removes* from the whitelist
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try:
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db[relay]['allowed_nets'].remove(remotenet)
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except KeyError:
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irc.error('Network \x02%s\x02 is not on the whitelist for \x02%s\x02.' % (remotenet, channel))
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return
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else:
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irc.reply('Done.')
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# In blacklist mode, DENY *adds* to the blacklist
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db[relay]['blocked_nets'].add(remotenet)
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irc.reply('Done.')
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elif cmd == 'allow':
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if whitelist:
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# In whitelist mode, ALLOW *adds* to the whitelist
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if 'allowed_nets' not in entry: # Upgrading from < 2.0-alpha4
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entry['allowed_nets'] = set()
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db[relay]['allowed_nets'].add(remotenet)
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else:
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# In blacklist mode, ALLOW *removes* from the blacklist
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try:
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db[relay]['blocked_nets'].remove(remotenet)
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except KeyError:
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irc.error('Network \x02%s\x02 is not on the blacklist for \x02%s\x02.' % (remotenet, channel))
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return
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irc.reply('Done.')
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else:
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irc.error('Unknown subcommand %r: valid ones are ALLOW, DENY, and LIST.' % cmd)
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