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synced 2024-11-14 22:49:23 +01:00
ircutils: Add formatWhois function
Parsing through the various WHOIS replies to build a formatted string isn't a trivial task, especially since there is some privacy related information. Consolidate this handling into a single function so there's one place to fix bugs. Also fix an issue with people putting (unterminated) formatted text into the "realname" field of their IRC client (c.f., ProgVal/Limnoria#1083). Signed-off-by: James McCoy <vega.james@gmail.com>
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James McCoy
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a8cd99f121
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c3695c9419
@ -1,6 +1,6 @@
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###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# Copyright (c) 2010, James McCoy
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# Copyright (c) 2010,2015 James McCoy
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -158,87 +158,9 @@ class Network(callbacks.Plugin):
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if (irc, loweredNick) not in self._whois:
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return
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(replyIrc, replyMsg, d) = self._whois[(irc, loweredNick)]
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hostmask = '@'.join(d['311'].args[2:4])
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user = d['311'].args[-1]
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if '319' in d:
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channels = d['319'].args[-1].split()
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ops = []
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voices = []
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normal = []
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halfops = []
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for channel in channels:
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origchan = channel
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channel = channel.lstrip('@%+~!')
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# UnrealIRCd uses & for user modes and disallows it as a
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# channel-prefix, flying in the face of the RFC. Have to
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# handle this specially when processing WHOIS response.
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testchan = channel.lstrip('&')
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if testchan != channel and irc.isChannel(testchan):
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channel = testchan
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diff = len(channel) - len(origchan)
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modes = origchan[:diff]
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chan = irc.state.channels.get(channel)
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# The user is in a channel the bot is in, so the ircd may have
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# responded with otherwise private data.
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if chan:
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# Skip channels the callee isn't in. This helps prevents
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# us leaking information when the channel is +s or the
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# target is +i
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if replyMsg.nick not in chan.users:
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continue
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# Skip +s channels the target is in only if the reply isn't
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# being sent to that channel
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if 's' in chan.modes and \
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not ircutils.strEqual(replyMsg.args[0], channel):
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continue
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if not modes:
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normal.append(channel)
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elif utils.iter.any(lambda c: c in modes,('@', '&', '~', '!')):
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ops.append(channel[1:])
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elif utils.iter.any(lambda c: c in modes, ('%',)):
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halfops.append(channel[1:])
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elif utils.iter.any(lambda c: c in modes, ('+',)):
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voices.append(channel[1:])
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L = []
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if ops:
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L.append(format('is an op on %L', ops))
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if halfops:
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L.append(format('is a halfop on %L', halfops))
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if voices:
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L.append(format('is voiced on %L', voices))
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if normal:
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if L:
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L.append(format('is also on %L', normal))
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else:
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L.append(format('is on %L', normal))
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else:
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L = ['isn\'t on any non-secret channels']
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channels = format('%L', L)
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if '317' in d:
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idle = utils.timeElapsed(d['317'].args[2])
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signon = time.strftime(conf.supybot.reply.format.time(),
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time.localtime(float(d['317'].args[3])))
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else:
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idle = '<unknown>'
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signon = '<unknown>'
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if '312' in d:
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server = d['312'].args[2]
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else:
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server = '<unknown>'
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if '301' in d:
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away = ' %s is away: %s.' % (nick, d['301'].args[2])
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else:
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away = ''
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if '320' in d:
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if d['320'].args[2]:
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identify = ' identified'
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else:
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identify = ''
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else:
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identify = ''
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s = '%s (%s) has been%s on server %s since %s (idle for %s) and ' \
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'%s.%s' % (user, hostmask, identify, server, signon, idle,
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channels, away)
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d['318'] = msg
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s = ircutils.formatWhois(irc, d, caller=replyMsg.nick,
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channel=replyMsg.args[0])
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replyIrc.reply(s)
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del self._whois[(irc, loweredNick)]
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@ -1,6 +1,6 @@
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###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# Copyright (c) 2010, James McCoy
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# Copyright (c) 2010,2015 James McCoy
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -196,64 +196,9 @@ class Relay(callbacks.Plugin):
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if (irc, loweredNick) not in self._whois:
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return
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(replyIrc, replyMsg, d) = self._whois[(irc, loweredNick)]
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hostmask = '@'.join(d['311'].args[2:4])
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user = d['311'].args[-1]
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if '319' in d:
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channels = d['319'].args[-1].split()
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ops = []
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voices = []
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normal = []
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halfops = []
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for channel in channels:
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if channel.startswith('@'):
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ops.append(channel[1:])
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elif channel.startswith('%'):
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halfops.append(channel[1:])
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elif channel.startswith('+'):
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voices.append(channel[1:])
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else:
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normal.append(channel)
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L = []
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if ops:
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L.append(format('is an op on %L', ops))
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if halfops:
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L.append(format('is a halfop on %L', halfups))
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if voices:
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L.append(format('is voiced on %L', voices))
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if normal:
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if L:
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L.append(format('is also on %L', normal))
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else:
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L.append(format('is on %L', normal))
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else:
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L = ['isn\'t on any non-secret channels']
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channels = format('%L', L)
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if '317' in d:
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idle = utils.timeElapsed(d['317'].args[2])
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signon = time.strftime(conf.supybot.reply.format.time(),
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time.localtime(float(d['317'].args[3])))
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else:
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idle = '<unknown>'
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signon = '<unknown>'
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if '312' in d:
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server = d['312'].args[2]
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else:
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server = '<unknown>'
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if '301' in d:
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away = format(' %s is away: %s.', nick, d['301'].args[2])
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else:
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away = ''
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if '320' in d:
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if d['320'].args[2]:
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identify = ' identified'
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else:
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identify = ''
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else:
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identify = ''
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s = format('%s (%s) has been%s on server %s since %s (idle for %s) '
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'and %s.%s',
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user, hostmask, identify, server, signon, idle,
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channels, away)
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d['318'] = msg
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s = ircutils.formatWhois(irc, d, caller=replyMsg.nick,
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channel=replyMsg.args[0])
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replyIrc.reply(s)
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del self._whois[(irc, loweredNick)]
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106
src/ircutils.py
106
src/ircutils.py
@ -1,6 +1,6 @@
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###
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# Copyright (c) 2002-2005, Jeremiah Fincher
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# Copyright (c) 2009,2011, James McCoy
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# Copyright (c) 2009,2011,2015 James McCoy
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -338,6 +338,110 @@ def stripFormatting(s):
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s = stripUnderline(s)
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return s.replace('\x0f', '').replace('\x0F', '')
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_containsFormattingRe = re.compile(r'[\x02\x03\x16\x1f]')
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def formatWhois(irc, replies, caller='', channel=''):
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"""Returns a string describing the target of a WHOIS command.
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Arguments are:
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* irc: the irclib.Irc object on which the replies was received
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* replies: a dict mapping the reply codes ('311', '312', etc.) to their
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corresponding ircmsg.IrcMsg
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* caller: an optional nick specifying who requested the whois information
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* channel: an optional channel specifying where the reply will be sent
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If provided, caller and channel will be used to avoid leaking information
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that the caller/channel shouldn't be privy to.
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"""
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hostmask = '@'.join(replies['311'].args[2:4])
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nick = replies['318'].args[1]
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user = replies['311'].args[-1]
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if _containsFormattingRe.search(user) and user[-1] != '\x0f':
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# For good measure, disable any formatting
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user = '%s\x0f' % user
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if '319' in replies:
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channels = replies['319'].args[-1].split()
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ops = []
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voices = []
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normal = []
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halfops = []
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for chan in channels:
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origchan = chan
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chan = chan.lstrip('@%+~!')
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# UnrealIRCd uses & for user modes and disallows it as a
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# channel-prefix, flying in the face of the RFC. Have to
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# handle this specially when processing WHOIS response.
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testchan = chan.lstrip('&')
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if testchan != chan and irc.isChannel(testchan):
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chan = testchan
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diff = len(chan) - len(origchan)
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modes = origchan[:diff]
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chanState = irc.state.channels.get(chan)
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# The user is in a channel the bot is in, so the ircd may have
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# responded with otherwise private data.
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if chanState:
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# Skip channels the callee isn't in. This helps prevents
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# us leaking information when the channel is +s or the
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# target is +i
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if caller not in chanState.users:
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continue
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# Skip +s channels the target is in only if the reply isn't
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# being sent to that channel
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if 's' in chanState.modes and \
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not ircutils.strEqual(channel or '', chan):
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continue
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if not modes:
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normal.append(chan)
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elif utils.iter.any(lambda c: c in modes,('@', '&', '~', '!')):
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ops.append(chan[1:])
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elif utils.iter.any(lambda c: c in modes, ('%',)):
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halfops.append(chan[1:])
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elif utils.iter.any(lambda c: c in modes, ('+',)):
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voices.append(chan[1:])
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L = []
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if ops:
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L.append(format('is an op on %L', ops))
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if halfops:
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L.append(format('is a halfop on %L', halfops))
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if voices:
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L.append(format('is voiced on %L', voices))
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if normal:
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if L:
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L.append(format('is also on %L', normal))
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else:
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L.append(format('is on %L', normal))
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else:
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L = ['isn\'t on any non-secret channels']
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channels = format('%L', L)
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if '317' in replies:
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idle = utils.timeElapsed(replies['317'].args[2])
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signon = utils.str.timestamp(float(replies['317'].args[3]))
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else:
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idle = '<unknown>'
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signon = '<unknown>'
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if '312' in replies:
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server = replies['312'].args[2]
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else:
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server = '<unknown>'
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if '301' in replies:
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away = ' %s is away: %s.' % (nick, replies['301'].args[2])
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else:
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away = ''
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if '320' in replies:
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if replies['320'].args[2]:
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identify = ' identified'
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else:
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identify = ''
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else:
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identify = ''
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s = utils.str.format('%s (%s) has been%s on server %s since %s '
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'(idle for %s) and %s.%s',
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user, hostmask, identify, server, signon, idle,
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channels, away)
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return s
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class FormatContext(object):
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def __init__(self):
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self.reset()
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