prosody
30896751dd43
core/usermanager.lua

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core/usermanager.lua @ 3113:30896751dd43

usermanager: Take datamanager errors into account when determining account existance.
author Waqas Hussain <waqas20@gmail.com>
date Mon, 24 May 2010 00:49:12 +0500
parent 3064:596303990c7c
child 3116:90a98a6b52ac
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 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 local datamanager = require "util.datamanager";
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10 local log = require "util.logger".init("usermanager");
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11 local type = type;
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12 local error = error;
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13 local ipairs = ipairs;
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14 local hashes = require "util.hashes";
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15 local jid_bare = require "util.jid".bare;
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16 local config = require "core.configmanager";
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17 local hosts = hosts;
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19 local require_provisioning = config.get("*", "core", "cyrus_require_provisioning") or false;
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20
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21 module "usermanager"
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22
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23 local function is_cyrus(host) return config.get(host, "core", "sasl_backend") == "cyrus"; end
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25 function validate_credentials(host, username, password, method)
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26 log("debug", "User '%s' is being validated", username);
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27 if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end
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28 local credentials = datamanager.load(username, host, "accounts") or {};
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29
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30 if method == nil then method = "PLAIN"; end
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31 if method == "PLAIN" and credentials.password then -- PLAIN, do directly
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32 if password == credentials.password then
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33 return true;
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34 else
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35 return nil, "Auth failed. Invalid username or password.";
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36 end
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37 end
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38 -- must do md5
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39 -- make credentials md5
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40 local pwd = credentials.password;
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41 if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
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42 -- make password md5
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43 if method == "PLAIN" then
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44 password = hashes.md5(password or "", true);
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45 elseif method ~= "DIGEST-MD5" then
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46 return nil, "Unsupported auth method";
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47 end
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48 -- compare
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49 if password == pwd then
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50 return true;
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51 else
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52 return nil, "Auth failed. Invalid username or password.";
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53 end
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54 end
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55
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56 function get_password(username, host)
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57 if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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58 return (datamanager.load(username, host, "accounts") or {}).password
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59 end
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60 function set_password(username, host, password)
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61 if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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62 local account = datamanager.load(username, host, "accounts");
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63 if account then
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64 account.password = password;
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65 return datamanager.store(username, host, "accounts", account);
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66 end
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67 return nil, "Account not available.";
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68 end
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69
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70 function user_exists(username, host)
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71 if not(require_provisioning) and is_cyrus(host) then return true; end
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72 local account, err = datamanager.load(username, host, "accounts");
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73 return (account or err) ~= nil; -- FIXME also check for empty credentials
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74 end
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75
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76 function create_user(username, password, host)
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77 if not(require_provisioning) and is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end
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78 return datamanager.store(username, host, "accounts", {password = password});
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79 end
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80
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81 function get_supported_methods(host)
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82 return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
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83 end
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84
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85 function is_admin(jid, host)
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86 host = host or "*";
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87 local admins = config.get(host, "core", "admins");
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88 if host ~= "*" and admins == config.get("*", "core", "admins") then
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89 return nil;
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90 end
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91 if type(admins) == "table" then
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92 jid = jid_bare(jid);
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93 for _,admin in ipairs(admins) do
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94 if admin == jid then return true; end
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95 end
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96 elseif admins then log("warn", "Option 'admins' for host '%s' is not a table", host); end
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97 return nil;
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98 end
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99
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100 return _M;