prosody
9e5802b45b9e
plugins/mod_auth_anonymous.lua

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plugins/mod_auth_anonymous.lua @ 13073:9e5802b45b9e

mod_tokenauth: Only check if expiry of expiring tokens Some tokens, e.g. OAuth2 refresh tokens, might not have their lifetime explicitly bounded here, but rather be bounded by the lifetime of something else, like the OAuth2 client. Open question: Would it be better to enforce a lifetime on all tokens?
author Kim Alvefur <zash@zash.se>
date Wed, 12 Apr 2023 10:21:32 +0200
parent 12977:74b9e05af71e
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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 -- luacheck: ignore 212
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9
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10 local new_sasl = require "prosody.util.sasl".new;
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11 local datamanager = require "prosody.util.datamanager";
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12 local hosts = prosody.hosts;
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13
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14 local allow_storage = module:get_option_boolean("allow_anonymous_storage", false);
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16 -- define auth provider
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17 local provider = {};
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19 function provider.test_password(username, password)
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20 return nil, "Password based auth not supported.";
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21 end
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23 function provider.get_password(username)
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24 return nil, "Password not available.";
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25 end
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27 function provider.set_password(username, password)
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28 return nil, "Password based auth not supported.";
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29 end
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31 function provider.user_exists(username)
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32 return nil, "Only anonymous users are supported."; -- FIXME check if anonymous user is connected?
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33 end
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34
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35 function provider.create_user(username, password)
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36 return nil, "Account creation/modification not supported.";
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37 end
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39 function provider.get_sasl_handler()
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40 local anonymous_authentication_profile = {
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41 anonymous = function(sasl, username, realm)
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42 return true; -- for normal usage you should always return true here
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43 end
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44 };
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45 return new_sasl(module.host, anonymous_authentication_profile);
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46 end
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47
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48 function provider.users()
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49 return next, hosts[module.host].sessions, nil;
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50 end
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51
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52 -- datamanager callback to disable writes
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53 local function dm_callback(username, host, datastore, data)
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54 if host == module.host then
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55 return false;
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56 end
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57 return username, host, datastore, data;
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58 end
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59
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60 if not module:get_option_boolean("allow_anonymous_s2s", false) then
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61 module:hook("route/remote", function (event)
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62 return false; -- Block outgoing s2s from anonymous users
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63 end, 300);
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64 end
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65
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66 function module.load()
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67 if not allow_storage then
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68 datamanager.add_callback(dm_callback);
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69 end
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70 end
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71 function module.unload()
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72 if not allow_storage then
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73 datamanager.remove_callback(dm_callback);
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74 end
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75 end
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76
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77 module:provides("auth", provider);
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78