prosody
5cccfb5da6cb
core/usermanager.lua

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core/usermanager.lua @ 759:5cccfb5da6cb

0.2->0.3
author Matthew Wild <mwild1@gmail.com>
date Fri, 30 Jan 2009 17:40:25 +0000
parent 758:b1885732e979
child 760:90ce865eebd8
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1 -- Prosody IM v0.3
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2 -- Copyright (C) 2008 Matthew Wild
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3 -- Copyright (C) 2008 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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11 require "util.datamanager"
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12 local datamanager = datamanager;
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13 local log = require "util.logger".init("usermanager");
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14 local error = error;
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15 local hashes = require "util.hashes";
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16
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17 module "usermanager"
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18
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19 function validate_credentials(host, username, password, method)
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20 log("debug", "User '%s' is being validated", username);
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21 local credentials = datamanager.load(username, host, "accounts") or {};
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22 if method == nil then method = "PLAIN"; end
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23 if method == "PLAIN" and credentials.password then -- PLAIN, do directly
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24 if password == credentials.password then
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25 return true;
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26 else
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27 return nil, "Auth failed. Invalid username or password.";
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28 end
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29 end
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30 -- must do md5
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31 -- make credentials md5
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32 local pwd = credentials.password;
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33 if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
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34 -- make password md5
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35 if method == "PLAIN" then
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36 password = hashes.md5(password or "", true);
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37 elseif method ~= "DIGEST-MD5" then
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38 return nil, "Unsupported auth method";
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39 end
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40 -- compare
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41 if password == pwd then
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42 return true;
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43 else
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44 return nil, "Auth failed. Invalid username or password.";
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45 end
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46 end
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47
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48 function user_exists(username, host)
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49 return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
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50 end
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51
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52 function create_user(username, password, host)
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53 return datamanager.store(username, host, "accounts", {password = password});
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54 end
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55
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56 function get_supported_methods(host)
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57 local methods = {["PLAIN"] = true}; -- TODO this should be taken from the config
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58 methods["DIGEST-MD5"] = true;
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59 return methods;
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60 end
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61
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62 return _M;