prosody
17cc122cc2e8
plugins/mod_auth_internal_plain.lua

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plugins/mod_auth_internal_plain.lua @ 12618:17cc122cc2e8

util.table: Add move() to Teal interface description file
author Kim Alvefur <zash@zash.se>
date Wed, 15 Jun 2022 15:40:03 +0200
parent 11544:c98aebe601f9
child 12646:3f38f4735c7a
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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 usermanager = require "core.usermanager";
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10 local new_sasl = require "util.sasl".new;
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11 local saslprep = require "util.encodings".stringprep.saslprep;
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12 local secure_equals = require "util.hashes".equals;
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13
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14 local log = module._log;
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15 local host = module.host;
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16
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17 local accounts = module:open_store("accounts");
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18
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19 -- define auth provider
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20 local provider = {};
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21
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22 function provider.test_password(username, password)
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23 log("debug", "test password for user '%s'", username);
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24 local credentials = accounts:get(username) or {};
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25 password = saslprep(password);
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26 if not password then
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27 return nil, "Password fails SASLprep.";
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28 end
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29
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30 if secure_equals(password, saslprep(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 username '%s'", username);
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39 return (accounts:get(username) or {}).password;
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40 end
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41
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42 function provider.set_password(username, password)
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43 log("debug", "set_password for username '%s'", username);
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44 password = saslprep(password);
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45 if not password then
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46 return nil, "Password fails SASLprep.";
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47 end
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48 local account = accounts:get(username);
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49 if account then
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50 account.password = password;
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51 return accounts:set(username, account);
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52 end
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53 return nil, "Account not available.";
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54 end
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55
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56 function provider.user_exists(username)
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57 local account = accounts:get(username);
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58 if not account then
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59 log("debug", "account not found for username '%s'", username);
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60 return nil, "Auth failed. Invalid username";
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61 end
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62 return true;
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63 end
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64
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65 function provider.users()
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66 return accounts:users();
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67 end
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68
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69 function provider.create_user(username, password)
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70 password = saslprep(password);
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71 if not password then
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72 return nil, "Password fails SASLprep.";
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73 end
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74 return accounts:set(username, {password = password});
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75 end
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76
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77 function provider.delete_user(username)
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78 return accounts:set(username, nil);
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79 end
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80
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81 function provider.get_sasl_handler()
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82 local getpass_authentication_profile = {
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83 plain = function(_, username, realm)
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84 local password = usermanager.get_password(username, realm);
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85 if not password then
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86 return "", nil;
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87 end
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88 return password, true;
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89 end
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90 };
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91 return new_sasl(host, getpass_authentication_profile);
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92 end
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93
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94 module:provides("auth", provider);
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95