prosody
bb9583314ec7
core/usermanager.lua

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core/usermanager.lua @ 707:bb9583314ec7

mod_muc: deregister component on unload
author Waqas Hussain <waqas20@gmail.com>
date Tue, 13 Jan 2009 20:18:20 +0500
parent 615:4ae3e81513f3
child 758:b1885732e979
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1 -- Prosody IM v0.2
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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 program is free software; you can redistribute it and/or
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6 -- modify it under the terms of the GNU General Public License
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7 -- as published by the Free Software Foundation; either version 2
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8 -- of the License, or (at your option) any later version.
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9 --
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10 -- This program is distributed in the hope that it will be useful,
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 -- GNU General Public License for more details.
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14 --
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15 -- You should have received a copy of the GNU General Public License
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16 -- along with this program; if not, write to the Free Software
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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18 --
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19
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20
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21
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22 require "util.datamanager"
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23 local datamanager = datamanager;
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24 local log = require "util.logger".init("usermanager");
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25 local error = error;
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26 local hashes = require "util.hashes";
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27
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28 module "usermanager"
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29
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30 function validate_credentials(host, username, password, method)
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31 log("debug", "User '%s' is being validated", username);
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32 local credentials = datamanager.load(username, host, "accounts") or {};
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33 if method == nil then method = "PLAIN"; end
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34 if method == "PLAIN" and credentials.password then -- PLAIN, do directly
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35 if password == credentials.password then
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36 return true;
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37 else
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38 return nil, "Auth failed. Invalid username or password.";
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39 end
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40 end
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41 -- must do md5
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42 -- make credentials md5
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43 local pwd = credentials.password;
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44 if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
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45 -- make password md5
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46 if method == "PLAIN" then
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47 password = hashes.md5(password or "", true);
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48 elseif method ~= "DIGEST-MD5" then
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49 return nil, "Unsupported auth method";
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50 end
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51 -- compare
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52 if password == pwd then
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53 return true;
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54 else
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55 return nil, "Auth failed. Invalid username or password.";
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56 end
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57 end
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59 function user_exists(username, host)
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60 return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
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61 end
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62
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63 function create_user(username, password, host)
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64 return datamanager.store(username, host, "accounts", {password = password});
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65 end
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66
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67 function get_supported_methods(host)
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68 local methods = {["PLAIN"] = true}; -- TODO this should be taken from the config
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69 methods["DIGEST-MD5"] = true;
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70 return methods;
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71 end
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72
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73 return _M;