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652 lines
27 KiB
Python
652 lines
27 KiB
Python
###
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# Copyright (c) 2002-2005, Jeremiah Fincher
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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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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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import re
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import sys
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import uuid
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import time
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import fnmatch
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import supybot.conf as conf
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import supybot.gpg as gpg
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import supybot.utils as utils
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import supybot.ircdb as ircdb
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from supybot.commands import *
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('User')
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class User(callbacks.Plugin):
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"""Provides commands for dealing with users, such as registration and
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authentication to the bot. This is a core Supybot module that should
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not be removed!"""
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def _checkNotChannel(self, irc, msg, password=' '):
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if password and irc.isChannel(msg.args[0]):
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raise callbacks.Error(conf.supybot.replies.requiresPrivacy())
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@internationalizeDocstring
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def list(self, irc, msg, args, optlist, glob):
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"""[--capability=<capability>] [<glob>]
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Returns the valid registered usernames matching <glob>. If <glob> is
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not given, returns all registered usernames.
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"""
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predicates = []
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for (option, arg) in optlist:
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if option == 'capability':
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if arg in conf.supybot.capabilities.private():
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try:
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u = ircdb.users.getUser(msg.prefix)
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if not u._checkCapability('admin'):
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raise KeyError
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except KeyError:
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# Note that it may be raised by checkCapability too.
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irc.error(_('This is a private capability. Only admins '
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'can see who has it.'), Raise=True)
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def p(u, cap=arg):
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try:
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return u._checkCapability(cap)
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except KeyError:
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return False
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predicates.append(p)
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if glob:
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r = re.compile(fnmatch.translate(glob), re.I)
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def p(u):
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return r.match(u.name) is not None
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predicates.append(p)
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users = []
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for u in ircdb.users.itervalues():
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for predicate in predicates:
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if not predicate(u):
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break
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else:
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users.append(u.name)
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if users:
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utils.sortBy(str.lower, users)
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irc.reply(format('%L', users))
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else:
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if predicates:
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irc.reply(_('There are no matching registered users.'))
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else:
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irc.reply(_('There are no registered users.'))
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list = wrap(list, [getopts({'capability':'capability'}),
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additional('glob')])
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@internationalizeDocstring
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def register(self, irc, msg, args, name, password):
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"""<name> <password>
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Registers <name> with the given password <password> and the current
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hostmask of the person registering. You shouldn't register twice; if
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you're not recognized as a user but you've already registered, use the
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hostmask add command to add another hostmask to your already-registered
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user, or use the identify command to identify just for a session.
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This command (and all other commands that include a password) must be
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sent to the bot privately, not in a channel.
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"""
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addHostmask = True
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try:
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ircdb.users.getUserId(name)
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irc.error(_('That name is already assigned to someone.'),
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Raise=True)
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except KeyError:
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pass
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if ircutils.isUserHostmask(name):
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irc.errorInvalid(_('username'), name,
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_('Hostmasks are not valid usernames.'),
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Raise=True)
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try:
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u = ircdb.users.getUser(msg.prefix)
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if u._checkCapability('owner'):
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addHostmask = False
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else:
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irc.error(_('Your hostmask is already registered to %s') %
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u.name)
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return
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except KeyError:
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pass
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user = ircdb.users.newUser()
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user.name = name
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user.setPassword(password)
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if addHostmask:
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user.addHostmask(msg.prefix)
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ircdb.users.setUser(user)
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irc.replySuccess()
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register = wrap(register, ['private', 'something', 'something'])
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@internationalizeDocstring
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def unregister(self, irc, msg, args, user, password):
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"""<name> [<password>]
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Unregisters <name> from the user database. If the user giving this
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command is an owner user, the password is not necessary.
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"""
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try:
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caller = ircdb.users.getUser(msg.prefix)
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isOwner = caller._checkCapability('owner')
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except KeyError:
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caller = None
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isOwner = False
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if not conf.supybot.databases.users.allowUnregistration():
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if not caller or not isOwner:
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self.log.warning('%s tried to unregister user %s.',
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msg.prefix, user.name)
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irc.error(_('This command has been disabled. You\'ll have to '
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'ask the owner of this bot to unregister your '
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'user.'), Raise=True)
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if isOwner or user.checkPassword(password):
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ircdb.users.delUser(user.id)
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irc.replySuccess()
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else:
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irc.error(conf.supybot.replies.incorrectAuthentication())
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unregister = wrap(unregister, ['private', 'otherUser',
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additional('anything')])
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@internationalizeDocstring
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def changename(self, irc, msg, args, user, newname, password):
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"""<name> <new name> [<password>]
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Changes your current user database name to the new name given.
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<password> is only necessary if the user isn't recognized by hostmask.
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This message must be sent to the bot privately (not on a channel) since
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it may contain a password.
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"""
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try:
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id = ircdb.users.getUserId(newname)
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irc.error(format(_('%q is already registered.'), newname))
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return
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except KeyError:
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pass
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if user.checkHostmask(msg.prefix) or user.checkPassword(password):
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user.name = newname
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ircdb.users.setUser(user)
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irc.replySuccess()
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changename = wrap(changename, ['private', 'otherUser', 'something',
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additional('something', '')])
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class set(callbacks.Commands):
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@internationalizeDocstring
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def password(self, irc, msg, args, user, password, newpassword):
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"""[<name>] <old password> <new password>
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Sets the new password for the user specified by <name> to <new
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password>. Obviously this message must be sent to the bot
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privately (not in a channel). If the requesting user is an owner
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user (and the user whose password is being changed isn't that same
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owner user), then <old password> needn't be correct.
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"""
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try:
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u = ircdb.users.getUser(msg.prefix)
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except KeyError:
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u = None
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if user is None:
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if u is None:
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irc.errorNotRegistered(Raise=True)
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user = u
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if user.checkPassword(password) or \
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(u and u._checkCapability('owner') and not u == user):
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user.setPassword(newpassword)
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ircdb.users.setUser(user)
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irc.replySuccess()
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else:
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irc.error(conf.supybot.replies.incorrectAuthentication())
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password = wrap(password, ['private', optional('otherUser'),
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'something', 'something'])
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@internationalizeDocstring
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def secure(self, irc, msg, args, user, password, value):
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"""<password> [<True|False>]
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Sets the secure flag on the user of the person sending the message.
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Requires that the person's hostmask be in the list of hostmasks for
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that user in addition to the password being correct. When the
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secure flag is set, the user *must* identify before they can be
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recognized. If a specific True/False value is not given, it
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inverts the current value.
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"""
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if value is None:
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value = not user.secure
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if user.checkPassword(password) and \
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user.checkHostmask(msg.prefix, useAuth=False):
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user.secure = value
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ircdb.users.setUser(user)
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irc.reply(_('Secure flag set to %s') % value)
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else:
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irc.error(conf.supybot.replies.incorrectAuthentication())
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secure = wrap(secure, ['private', 'user', 'something',
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additional('boolean')])
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@internationalizeDocstring
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def username(self, irc, msg, args, hostmask):
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"""<hostmask|nick>
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Returns the username of the user specified by <hostmask> or <nick> if
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the user is registered.
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"""
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if ircutils.isNick(hostmask):
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try:
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hostmask = irc.state.nickToHostmask(hostmask)
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except KeyError:
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irc.error(_('I haven\'t seen %s.') % hostmask, Raise=True)
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try:
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user = ircdb.users.getUser(hostmask)
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irc.reply(user.name)
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except KeyError:
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irc.error(_('I don\'t know who that is.'))
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username = wrap(username, [first('nick', 'hostmask')])
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class hostmask(callbacks.Commands):
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@internationalizeDocstring
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def hostmask(self, irc, msg, args, nick):
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"""[<nick>]
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Returns the hostmask of <nick>. If <nick> isn't given, return the
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hostmask of the person giving the command.
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"""
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if not nick:
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nick = msg.nick
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irc.reply(irc.state.nickToHostmask(nick))
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hostmask = wrap(hostmask, [additional('seenNick')])
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@internationalizeDocstring
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def list(self, irc, msg, args, name):
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"""[<name>]
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Returns the hostmasks of the user specified by <name>; if <name>
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isn't specified, returns the hostmasks of the user calling the
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command.
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"""
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def getHostmasks(user):
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hostmasks = list(map(repr, user.hostmasks))
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if hostmasks:
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hostmasks.sort()
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return format('%L', hostmasks)
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else:
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return format(_('%s has no registered hostmasks.'),
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user.name)
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try:
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user = ircdb.users.getUser(msg.prefix)
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if name:
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if name != user.name and \
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not ircdb.checkCapability(msg.prefix, 'owner'):
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irc.error(_('You may only retrieve your own '
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'hostmasks.'), Raise=True)
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else:
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try:
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user = ircdb.users.getUser(name)
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irc.reply(getHostmasks(user))
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except KeyError:
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irc.errorNoUser()
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else:
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irc.reply(getHostmasks(user))
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except KeyError:
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irc.errorNotRegistered()
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list = wrap(list, ['private', additional('something')])
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@internationalizeDocstring
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def add(self, irc, msg, args, user, hostmask, password):
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"""[<name>] [<hostmask>] [<password>]
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Adds the hostmask <hostmask> to the user specified by <name>. The
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<password> may only be required if the user is not recognized by
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hostmask. <password> is also not required if an owner user is
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giving the command on behalf of some other user. If <hostmask> is
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not given, it defaults to your current hostmask. If <name> is not
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given, it defaults to your currently identified name. This message
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must be sent to the bot privately (not on a channel) since it may
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contain a password.
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"""
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if not hostmask:
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hostmask = msg.prefix
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if not ircutils.isUserHostmask(hostmask):
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irc.errorInvalid(_('hostmask'), hostmask,
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_('Make sure your hostmask includes a nick, '
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'then an exclamation point (!), then a user, '
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'then an at symbol (@), then a host. Feel '
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'free to use wildcards (* and ?, which work '
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'just like they do on the command line) in '
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'any of these parts.'),
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Raise=True)
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try:
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otherId = ircdb.users.getUserId(hostmask)
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if otherId != user.id:
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irc.error(_('That hostmask is already registered.'),
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Raise=True)
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except KeyError:
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pass
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if not user.checkPassword(password) and \
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not user.checkHostmask(msg.prefix):
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try:
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u = ircdb.users.getUser(msg.prefix)
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except KeyError:
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irc.error(conf.supybot.replies.incorrectAuthentication(),
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Raise=True)
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if not u._checkCapability('owner'):
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irc.error(conf.supybot.replies.incorrectAuthentication(),
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Raise=True)
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try:
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user.addHostmask(hostmask)
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except ValueError as e:
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irc.error(str(e), Raise=True)
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try:
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ircdb.users.setUser(user)
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except ircdb.DuplicateHostmask:
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irc.error(_('That hostmask is already registered.'),
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Raise=True)
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except ValueError as e:
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irc.error(str(e), Raise=True)
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irc.replySuccess()
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add = wrap(add, ['private', first('otherUser', 'user'),
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optional('something'), additional('something', '')])
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@internationalizeDocstring
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def remove(self, irc, msg, args, user, hostmask, password):
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"""[<name>] [<hostmask>] [<password>]
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Removes the hostmask <hostmask> from the record of the user
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specified by <name>. If the hostmask given is 'all' then all
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hostmasks will be removed. The <password> may only be required if
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the user is not recognized by their hostmask. This message must be
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sent to the bot privately (not on a channel) since it may contain a
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password. If <hostmask> is
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not given, it defaults to your current hostmask. If <name> is not
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given, it defaults to your currently identified name.
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"""
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if not hostmask:
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hostmask = msg.prefix
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if not user.checkPassword(password) and \
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not user.checkHostmask(msg.prefix):
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u = ircdb.users.getUser(msg.prefix)
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if not u._checkCapability('owner'):
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irc.error(conf.supybot.replies.incorrectAuthentication())
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return
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try:
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s = ''
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if hostmask == 'all':
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user.hostmasks.clear()
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s = _('All hostmasks removed.')
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else:
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user.removeHostmask(hostmask)
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except KeyError:
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irc.error(_('There was no such hostmask.'))
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return
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ircdb.users.setUser(user)
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irc.replySuccess(s)
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remove = wrap(remove, ['private', first('otherUser', 'user'),
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optional('something'), additional('something', '')])
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def callCommand(self, command, irc, msg, *args, **kwargs):
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if command[0] != 'gpg' or \
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(gpg.available and self.registryValue('gpg.enable')):
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return super(User, self) \
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.callCommand(command, irc, msg, *args, **kwargs)
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else:
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irc.error(_('GPG features are not enabled.'))
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class gpg(callbacks.Commands):
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def __init__(self, *args):
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super(User.gpg, self).__init__(*args)
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self._tokens = {}
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def _expire_tokens(self):
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now = time.time()
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self._tokens = dict(filter(lambda x_y: x_y[1][1]>now,
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self._tokens.items()))
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@internationalizeDocstring
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def add(self, irc, msg, args, user, keyid, keyserver):
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"""<key id> <key server>
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Add a GPG key to your account."""
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if keyid in user.gpgkeys:
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irc.error(_('This key is already associated with your '
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'account.'))
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return
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result = gpg.keyring.recv_keys(keyserver, keyid)
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reply = format(_('%n imported, %i unchanged, %i not imported.'),
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(result.imported, _('key')),
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result.unchanged,
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result.not_imported,
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[x['fingerprint'] for x in result.results])
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if result.imported == 1:
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user.gpgkeys.append(keyid)
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irc.reply(reply)
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else:
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irc.error(reply)
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add = wrap(add, ['user',
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('somethingWithoutSpaces',
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_('You must give a valid key id')),
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('somethingWithoutSpaces',
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_('You must give a valid key server'))])
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@internationalizeDocstring
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def remove(self, irc, msg, args, user, fingerprint):
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"""<fingerprint>
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Remove a GPG key from your account."""
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try:
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keyids = [x['keyid'] for x in gpg.keyring.list_keys()
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if x['fingerprint'] == fingerprint]
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if len(keyids) == 0:
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raise ValueError
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for keyid in keyids:
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try:
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user.gpgkeys.remove(keyid)
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except ValueError:
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user.gpgkeys.remove('0x' + keyid)
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gpg.keyring.delete_keys(fingerprint)
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irc.replySuccess()
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except ValueError:
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irc.error(_('GPG key not associated with your account.'))
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remove = wrap(remove, ['user', 'somethingWithoutSpaces'])
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@internationalizeDocstring
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def list(self, irc, msg, args, user):
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"""takes no arguments
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List your GPG keys."""
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keyids = user.gpgkeys
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if len(keyids) == 0:
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irc.reply(_('No key is associated with your account.'))
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else:
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irc.reply(format('%L', keyids))
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list = wrap(list, ['user'])
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@internationalizeDocstring
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def gettoken(self, irc, msg, args):
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"""takes no arguments
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|
|
Send you a token that you'll have to sign with your key."""
|
|
self._expire_tokens()
|
|
token = '{%s}' % str(uuid.uuid4())
|
|
lifetime = conf.supybot.plugins.User.gpg.TokenTimeout()
|
|
self._tokens.update({token: (msg.prefix, time.time()+lifetime)})
|
|
irc.reply(_('Your token is: %s. Please sign it with your '
|
|
'GPG key, paste it somewhere, and call the \'auth\' '
|
|
'command with the URL to the (raw) file containing the '
|
|
'signature.') % token)
|
|
gettoken = wrap(gettoken, [])
|
|
|
|
_auth_re = re.compile(r'-----BEGIN PGP SIGNED MESSAGE-----\r?\n'
|
|
r'Hash: .*\r?\n\r?\n'
|
|
r'\s*({[0-9a-z-]+})\s*\r?\n'
|
|
r'-----BEGIN PGP SIGNATURE-----\r?\n.*'
|
|
r'\r?\n-----END PGP SIGNATURE-----',
|
|
re.S)
|
|
@internationalizeDocstring
|
|
def auth(self, irc, msg, args, url):
|
|
"""<url>
|
|
|
|
Check the GPG signature at the <url> and authenticates you if
|
|
the key used is associated to a user."""
|
|
self._expire_tokens()
|
|
content = utils.web.getUrl(url)
|
|
if sys.version_info[0] >= 3 and isinstance(content, bytes):
|
|
content = content.decode()
|
|
match = self._auth_re.search(content)
|
|
if not match:
|
|
irc.error(_('Signature or token not found.'), Raise=True)
|
|
data = match.group(0)
|
|
token = match.group(1)
|
|
if token not in self._tokens:
|
|
irc.error(_('Unknown token. It may have expired before you '
|
|
'submit it.'), Raise=True)
|
|
if self._tokens[token][0] != msg.prefix:
|
|
irc.error(_('Your hostname/nick changed in the process. '
|
|
'Authentication aborted.'), Raise=True)
|
|
verified = gpg.keyring.verify(data)
|
|
if verified and verified.valid:
|
|
keyid = verified.key_id
|
|
prefix, expiry = self._tokens.pop(token)
|
|
found = False
|
|
for (id, user) in ircdb.users.items():
|
|
if keyid in [x[-len(keyid):] for x in user.gpgkeys]:
|
|
try:
|
|
user.addAuth(msg.prefix)
|
|
except ValueError:
|
|
irc.error(_('Your secure flag is true and your '
|
|
'hostmask doesn\'t match any of your '
|
|
'known hostmasks.'), Raise=True)
|
|
ircdb.users.setUser(user, flush=False)
|
|
irc.reply(_('You are now authenticated as %s.') %
|
|
user.name)
|
|
return
|
|
irc.error(_('Unknown GPG key.'), Raise=True)
|
|
else:
|
|
irc.error(_('Signature could not be verified. Make sure '
|
|
'this is a valid GPG signature and the URL is valid.'))
|
|
auth = wrap(auth, ['url'])
|
|
|
|
@internationalizeDocstring
|
|
def capabilities(self, irc, msg, args, user):
|
|
"""[<name>]
|
|
|
|
Returns the capabilities of the user specified by <name>; if <name>
|
|
isn't specified, returns the capabilities of the user calling the
|
|
command.
|
|
"""
|
|
try:
|
|
u = ircdb.users.getUser(msg.prefix)
|
|
except KeyError:
|
|
irc.errorNotRegistered()
|
|
else:
|
|
if u == user or u._checkCapability('admin'):
|
|
irc.reply('[%s]' % '; '.join(user.capabilities), private=True)
|
|
else:
|
|
irc.error(conf.supybot.replies.incorrectAuthentication(),
|
|
Raise=True)
|
|
capabilities = wrap(capabilities, [first('otherUser', 'user')])
|
|
|
|
@internationalizeDocstring
|
|
def identify(self, irc, msg, args, user, password):
|
|
"""<name> <password>
|
|
|
|
Identifies the user as <name>. This command (and all other
|
|
commands that include a password) must be sent to the bot privately,
|
|
not in a channel.
|
|
"""
|
|
if user.checkPassword(password):
|
|
try:
|
|
user.addAuth(msg.prefix)
|
|
ircdb.users.setUser(user, flush=False)
|
|
irc.replySuccess()
|
|
except ValueError:
|
|
irc.error(_('Your secure flag is true and your hostmask '
|
|
'doesn\'t match any of your known hostmasks.'))
|
|
else:
|
|
self.log.warning('Failed identification attempt by %s (password '
|
|
'did not match for %s).', msg.prefix, user.name)
|
|
irc.error(conf.supybot.replies.incorrectAuthentication())
|
|
identify = wrap(identify, ['private', 'otherUser', 'something'])
|
|
|
|
@internationalizeDocstring
|
|
def unidentify(self, irc, msg, args, user):
|
|
"""takes no arguments
|
|
|
|
Un-identifies you. Note that this may not result in the desired
|
|
effect of causing the bot not to recognize you anymore, since you may
|
|
have added hostmasks to your user that can cause the bot to continue to
|
|
recognize you.
|
|
"""
|
|
user.clearAuth()
|
|
ircdb.users.setUser(user)
|
|
irc.replySuccess(_('If you remain recognized after giving this command, '
|
|
'you\'re being recognized by hostmask, rather than '
|
|
'by password. You must remove whatever hostmask is '
|
|
'causing you to be recognized in order not to be '
|
|
'recognized.'))
|
|
unidentify = wrap(unidentify, ['user'])
|
|
|
|
@internationalizeDocstring
|
|
def whoami(self, irc, msg, args):
|
|
"""takes no arguments
|
|
|
|
Returns the name of the user calling the command.
|
|
"""
|
|
try:
|
|
user = ircdb.users.getUser(msg.prefix)
|
|
irc.reply(user.name)
|
|
except KeyError:
|
|
irc.reply(_('I don\'t recognize you. You can message me either of these two commands: "user identify <username> <password>" to log in or "user register <username> <password>" to register.'))
|
|
whoami = wrap(whoami)
|
|
|
|
@internationalizeDocstring
|
|
def stats(self, irc, msg, args):
|
|
"""takes no arguments
|
|
|
|
Returns some statistics on the user database.
|
|
"""
|
|
users = 0
|
|
owners = 0
|
|
admins = 0
|
|
hostmasks = 0
|
|
for user in ircdb.users.itervalues():
|
|
users += 1
|
|
hostmasks += len(user.hostmasks)
|
|
try:
|
|
if user._checkCapability('owner'):
|
|
owners += 1
|
|
elif user._checkCapability('admin'):
|
|
admins += 1
|
|
except KeyError:
|
|
pass
|
|
irc.reply(format(_('I have %s registered users '
|
|
'with %s registered hostmasks; '
|
|
'%n and %n.'),
|
|
users, hostmasks,
|
|
(owners, 'owner'), (admins, 'admin')))
|
|
stats = wrap(stats)
|
|
|
|
|
|
Class = User
|
|
|
|
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
|
|
|