mirror of
https://github.com/jlu5/PyLink.git
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247 lines
8.8 KiB
Python
247 lines
8.8 KiB
Python
"""
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opercmds.py: Provides a subset of network management commands.
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"""
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# ircmatch library from https://github.com/mammon-ircd/ircmatch
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# (pip install ircmatch)
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try:
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import ircmatch
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except ImportError:
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ircmatch = None
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from pylinkirc import utils
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from pylinkirc.log import log
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@utils.add_cmd
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def checkban(irc, source, args):
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"""<banmask (nick!user@host or user@host)> [<nick or hostmask to check>]
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Oper only. If a nick or hostmask is given, return whether the given banmask will match it. Otherwise, returns a list of connected users that would be affected by such a ban, up to 50 results."""
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irc.checkAuthenticated(source, allowOper=False)
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if ircmatch is None:
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irc.reply("Error: missing ircmatch module (install it via 'pip install ircmatch').")
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return
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try:
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banmask = args[0]
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except IndexError:
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irc.reply("Error: Not enough arguments. Needs 1-2: banmask, nick or hostmask to check (optional).")
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return
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# Casemapping value (0 is rfc1459, 1 is ascii) used by ircmatch.
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if irc.proto.casemapping == 'rfc1459':
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casemapping = 0
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else:
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casemapping = 1
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try:
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targetmask = args[1]
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except IndexError:
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# No hostmask was given, return a list of affected users.
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irc.msg(source, "Checking matches for \x02%s\x02:" % banmask, notice=True)
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results = 0
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for uid, userobj in irc.users.copy().items():
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targetmask = irc.getHostmask(uid)
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if ircmatch.match(casemapping, banmask, targetmask):
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if results < 50: # XXX rather arbitrary limit
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serverobj = irc.servers[irc.getServer(uid)]
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s = "\x02%s\x02 (%s@%s) [%s] {\x02%s\x02}" % (userobj.nick, userobj.ident,
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userobj.host, userobj.realname, serverobj.name)
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# Always reply in private to prevent information leaks.
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irc.msg(source, s, notice=True)
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results += 1
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else:
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if results:
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irc.msg(source, "\x02%s\x02 out of \x02%s\x02 results shown." %
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(min([results, 50]), results), notice=True)
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else:
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irc.msg(source, "No results found.", notice=True)
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else:
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# Target can be both a nick (of an online user) or a hostmask.
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uid = irc.nickToUid(targetmask)
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if uid:
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targetmask = irc.getHostmask(uid)
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elif not utils.isHostmask(targetmask):
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irc.reply("Error: Invalid nick or hostmask '%s'." % targetmask)
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return
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if ircmatch.match(casemapping, banmask, targetmask):
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irc.reply('Yes, \x02%s\x02 matches \x02%s\x02.' % (targetmask, banmask))
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else:
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irc.reply('No, \x02%s\x02 does not match \x02%s\x02.' % (targetmask, banmask))
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@utils.add_cmd
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def jupe(irc, source, args):
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"""<server> [<reason>]
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Oper-only, jupes the given server."""
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# Check that the caller is either opered or logged in as admin.
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irc.checkAuthenticated(source)
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try:
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servername = args[0]
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reason = ' '.join(args[1:]) or "No reason given"
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desc = "Juped by %s: [%s]" % (irc.getHostmask(source), reason)
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except IndexError:
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irc.reply('Error: Not enough arguments. Needs 1-2: servername, reason (optional).')
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return
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if not utils.isServerName(servername):
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irc.reply("Error: Invalid server name '%s'." % servername)
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return
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sid = irc.proto.spawnServer(servername, desc=desc)
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irc.callHooks([irc.pseudoclient.uid, 'OPERCMDS_SPAWNSERVER',
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{'name': servername, 'sid': sid, 'text': desc}])
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irc.reply("Done.")
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@utils.add_cmd
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def kick(irc, source, args):
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"""<source> <channel> <user> [<reason>]
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Admin only. Kicks <user> from <channel> via <source>, where <source> is either the nick of a PyLink client or the SID of a PyLink server."""
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irc.checkAuthenticated(source, allowOper=False)
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try:
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sourcenick = args[0]
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channel = args[1]
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target = args[2]
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reason = ' '.join(args[3:])
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except IndexError:
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irc.reply("Error: Not enough arguments. Needs 3-4: source nick, channel, target, reason (optional).")
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return
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# Convert the source and target nicks to UIDs.
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sender = irc.nickToUid(sourcenick) or sourcenick
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targetu = irc.nickToUid(target)
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if channel not in irc.channels: # KICK only works on channels that exist.
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irc.reply("Error: Unknown channel %r." % channel)
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return
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if (not irc.isInternalClient(sender)) and \
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(not irc.isInternalServer(sender)):
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# Whatever we were told to send the kick from wasn't valid; try to be
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# somewhat user friendly in the error message
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irc.reply("Error: No such PyLink client '%s'. The first argument to "
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"KICK should be the name of a PyLink client (e.g. '%s'; see "
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"'help kick' for details." % (sourcenick,
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irc.pseudoclient.nick))
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return
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elif not targetu:
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# Whatever we were told to kick doesn't exist!
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irc.reply("Error: No such target nick '%s'." % target)
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return
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irc.proto.kick(sender, channel, targetu, reason)
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irc.callHooks([sender, 'CHANCMDS_KICK', {'channel': channel, 'target': targetu,
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'text': reason, 'parse_as': 'KICK'}])
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@utils.add_cmd
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def kill(irc, source, args):
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"""<source> <target> [<reason>]
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Admin only. Kills <target> via <source>, where <source> is either the nick of a PyLink client or the SID of a PyLink server."""
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irc.checkAuthenticated(source, allowOper=False)
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try:
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sourcenick = args[0]
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target = args[1]
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reason = ' '.join(args[2:])
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except IndexError:
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irc.reply("Error: Not enough arguments. Needs 3-4: source nick, target, reason (optional).")
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return
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# Convert the source and target nicks to UIDs.
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sender = irc.nickToUid(sourcenick) or sourcenick
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targetu = irc.nickToUid(target)
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userdata = irc.users.get(targetu)
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if (not irc.isInternalClient(sender)) and \
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(not irc.isInternalServer(sender)):
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# Whatever we were told to send the kick from wasn't valid; try to be
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# somewhat user friendly in the error message
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irc.reply("Error: No such PyLink client '%s'. The first argument to "
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"KILL should be the name of a PyLink client (e.g. '%s'; see "
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"'help kick' for details." % (sourcenick,
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irc.pseudoclient.nick))
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return
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elif targetu not in irc.users:
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# Whatever we were told to kick doesn't exist!
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irc.reply("Error: No such nick '%s'." % target)
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return
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irc.proto.kill(sender, targetu, reason)
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irc.callHooks([sender, 'CHANCMDS_KILL', {'target': targetu, 'text': reason,
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'userdata': userdata, 'parse_as': 'KILL'}])
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@utils.add_cmd
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def mode(irc, source, args):
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"""<channel> <modes>
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Oper-only, sets modes <modes> on the target channel."""
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# Check that the caller is either opered or logged in as admin.
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irc.checkAuthenticated(source)
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try:
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target, modes = args[0], args[1:]
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except IndexError:
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irc.reply('Error: Not enough arguments. Needs 2: target, modes to set.')
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return
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if target not in irc.channels:
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irc.reply("Error: Unknown channel '%s'." % target)
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return
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elif not modes:
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# No modes were given before parsing (i.e. mode list was blank).
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irc.reply("Error: No valid modes were given.")
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return
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parsedmodes = irc.parseModes(target, modes)
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if not parsedmodes:
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# Modes were given but they failed to parse into anything meaningful.
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# For example, "mode #somechan +o" would be erroneous because +o
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# requires an argument!
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irc.reply("Error: No valid modes were given.")
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return
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irc.proto.mode(irc.pseudoclient.uid, target, parsedmodes)
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# Call the appropriate hooks for plugins like relay.
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irc.callHooks([irc.pseudoclient.uid, 'OPERCMDS_MODEOVERRIDE',
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{'target': target, 'modes': parsedmodes, 'parse_as': 'MODE'}])
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irc.reply("Done.")
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@utils.add_cmd
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def topic(irc, source, args):
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"""<channel> <topic>
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Admin only. Updates the topic in a channel."""
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irc.checkAuthenticated(source, allowOper=False)
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try:
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channel = args[0]
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topic = ' '.join(args[1:])
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except IndexError:
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irc.reply("Error: Not enough arguments. Needs 2: channel, topic.")
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return
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if channel not in irc.channels:
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irc.reply("Error: Unknown channel %r." % channel)
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return
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irc.proto.topic(irc.pseudoclient.uid, channel, topic)
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irc.callHooks([irc.pseudoclient.uid, 'CHANCMDS_TOPIC',
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{'channel': channel, 'text': topic, 'setter': source,
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'parse_as': 'TOPIC'}])
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