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core/usermanager.lua @ 615:4ae3e81513f3
0.1 -> 0.2
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 10 Dec 2008 15:44:03 +0000 |
parent | 519:cccd610a0ef9 |
child | 758:b1885732e979 |
rev | line source |
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615 | 1 -- Prosody IM v0.2 |
519
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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 |
0 | 21 |
22 require "util.datamanager" | |
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"; |
0 | 27 |
28 module "usermanager" | |
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); |
0 | 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 |
0 | 57 end |
38 | 58 |
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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; |