Annotate

plugins/mod_auth_default.lua @ 3162:f246719abcd2

Added mod_auth_default
author Jeff Mitchell <jeff@jefferai.org>
date Thu, 20 May 2010 14:19:14 -0400
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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 -- Copyright (C) 2010 Jeff Mitchell
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9
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10 local datamanager = require "util.datamanager";
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11 local log = require "util.logger".init("usermanager");
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12 local type = type;
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13 local error = error;
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14 local ipairs = ipairs;
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15 local hashes = require "util.hashes";
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16 local jid_bare = require "util.jid".bare;
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17 local config = require "core.configmanager";
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18 local hosts = hosts;
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19
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20 local prosody = _G.prosody;
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21
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22 function new_default_provider(host)
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23 local provider = { name = "default" };
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24
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25 function provider.test_password(username, password)
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26 log("debug", "test password for user %s at host %s", username, host);
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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 password == credentials.password then
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31 return true;
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32 else
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33 return nil, "Auth failed. Invalid username or password.";
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34 end
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35 end
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36
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37 function provider.get_password(username)
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38 log("debug", "get password for user %s at host %s", username, host);
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39 if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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40 return (datamanager.load(username, host, "accounts") or {}).password;
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41 end
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42
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43 function provider.set_password(username, password)
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44 if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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45 local account = datamanager.load(username, host, "accounts");
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46 if account then
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47 account.password = password;
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48 return datamanager.store(username, host, "accounts", account);
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49 end
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50 return nil, "Account not available.";
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51 end
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52
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53 function provider.user_exists(username)
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54 if is_cyrus(host) then return true; end
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55 local account = datamanager.load(username, host, "accounts");
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56 if not account then
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57 log("debug", "account not found for username '%s' at host '%s'", username, host);
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58 return nil, "Auth failed. Invalid username";
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59 end
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60 if account.password == nil or string.len(account.password) == 0 then
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61 log("debug", "account password not set or zero-length for username '%s' at host '%s'", username, host);
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62 return nil, "Auth failed. Password invalid.";
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63 end
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64 return true;
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65 end
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66
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67 function provider.create_user(username, password)
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68 if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end
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69 return datamanager.store(username, host, "accounts", {password = password});
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70 end
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71
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72 function provider.get_supported_methods()
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73 return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
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74 end
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75
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76 function provider.is_admin(jid)
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77 local admins = config.get(host, "core", "admins");
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78 if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then
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79 jid = jid_bare(jid);
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80 for _,admin in ipairs(admins) do
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81 if admin == jid then return true; end
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82 end
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83 elseif admins then
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84 log("error", "Option 'admins' for host '%s' is not a table", host);
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85 end
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86 return is_admin(jid); -- Test whether it's a global admin instead
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87 end
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88 return provider;
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89 end
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90
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91 module:add_item("auth-provider", new_default_provider(module.host));
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92