prosody
de607875d4bd
util/sasl/anonymous.lua

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util/sasl/anonymous.lua @ 10684:de607875d4bd

MUC: Pass previous role to :publicise_occupant_status() whenever possible Currently there is what amounts to a hack in presence_broadcast.lib.lua to make it always broadcast presence with roles of "none". This is to ensure that if you previously saw available presence for someone, you will also see the unavailable presence (which always has role="none"). The correct approach is to take into account what the previous role was ( i.e. answer the question: "Was the available presence for this occupant a role for which presence broadcast is enabled?). The logic is already in place to do this correctly, but most call sites do not provide the previous role (prev_role argument) of the occupant, which causes it to not be used. In its place the hack to always broadcast presence of role="none" has allowed things to continue to work. The intention is that a subsequent commit will remove the unconditional broadcast of role="none".
author Matthew Wild <mwild1@gmail.com>
date Thu, 12 Mar 2020 14:10:12 +0000
parent 8874:d6eb910a204d
child 12940:2aebd9bf02fc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- sasl.lua v0.4
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2 -- Copyright (C) 2008-2010 Tobias Markmann
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3 --
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4 -- All rights reserved.
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5 --
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6 -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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7 --
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8 -- * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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9 -- * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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10 -- * Neither the name of Tobias Markmann nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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11 --
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12 -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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15 local generate_random_id = require "util.id".medium;
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17 local _ENV = nil;
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18 -- luacheck: std none
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19
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20 --=========================
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21 --SASL ANONYMOUS according to RFC 4505
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23 --[[
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24 Supported Authentication Backends
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25
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26 anonymous:
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27 function(username, realm)
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28 return true; --for normal usage just return true; if you don't like the supplied username you can return false.
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29 end
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30 ]]
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32 local function anonymous(self, message) -- luacheck: ignore 212/message
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33 local username;
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34 repeat
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35 username = generate_random_id():lower();
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36 until self.profile.anonymous(self, username, self.realm);
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37 self.username = username;
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38 return "success"
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39 end
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41 local function init(registerMechanism)
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42 registerMechanism("ANONYMOUS", {"anonymous"}, anonymous);
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43 end
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44
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45 return {
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46 init = init;
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47 }