prosody
1112871916eb
util/sasl/plain.lua

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util/sasl/plain.lua @ 2186:1112871916eb sasl

Move each mechanism in an own file.
author Tobias Markmann <tm@ayena.de>
date Thu, 12 Nov 2009 21:57:37 +0100
child 2187:f0a85d11823e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2186
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1 -- sasl.lua v0.4
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2 -- Copyright (C) 2008-2009 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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13
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14 local registerMechanism = registerMechanism
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15
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16 module "plain"
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17
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18 --=========================
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19 --SASL PLAIN according to RFC 4616
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20 local function plain(self, message)
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21 local response = message
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22 local authorization = s_match(response, "([^%z]+)")
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23 local authentication = s_match(response, "%z([^%z]+)%z")
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24 local password = s_match(response, "%z[^%z]+%z([^%z]+)")
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25
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26 if authentication == nil or password == nil then
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27 return "failure", "malformed-request";
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28 end
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29
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30 local correct, state = false, false;
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31 if self.profile.plain then
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32 local correct_password;
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33 correct_password, state = self.profile.plain(authentication, self.realm);
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34 if correct_password == password then correct = true; else correct = false; end
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35 elseif self.profile.plain_test then
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36 correct, state = self.profile.plain_test(authentication, self.realm, password);
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37 end
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38
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39 self.username = authentication
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40 if not state then
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41 return "failure", "account-disabled";
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42 end
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43
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44 if correct then
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45 return "success";
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46 else
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47 return "failure", "not-authorized";
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48 end
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49 end
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50
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51 registerMechanism("PLAIN", {"plain", "plain_test"}, plain);
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52
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53 return _M;