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annotate mod_auth_cyrus/mod_auth_cyrus.lua @ 5296:0f5657db1cfc

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mod_isolate_host: handle server-generated stanzas The hook for setting the no_host_isolation is only called for c2s sessions. This does not work for stanzas generated by the server, such as PEP notifications or presence probe answers. To handle that, we do per-stanza checks for the case that the origin is local.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 01 Apr 2023 12:03:08 +0200
parents b8366e31c829
children
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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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10 local log = require "util.logger".init("auth_cyrus");
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11
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12 local usermanager_user_exists = require "core.usermanager".user_exists;
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13
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14 local cyrus_service_realm = module:get_option("cyrus_service_realm");
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15 local cyrus_service_name = module:get_option("cyrus_service_name");
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16 local cyrus_application_name = module:get_option("cyrus_application_name");
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17 local require_provisioning = module:get_option("cyrus_require_provisioning") or false;
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18 local host_fqdn = module:get_option("cyrus_server_fqdn");
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19
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20 prosody.unlock_globals(); --FIXME: Figure out why this is needed and
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21 -- why cyrussasl isn't caught by the sandbox
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22 local cyrus_new = module:require "sasl_cyrus".new;
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23 prosody.lock_globals();
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24 local new_sasl = function(realm)
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25 return cyrus_new(
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26 cyrus_service_realm or realm,
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27 cyrus_service_name or "xmpp",
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28 cyrus_application_name or "prosody",
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29 host_fqdn
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30 );
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31 end
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32
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33 do -- diagnostic
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34 local list;
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35 for mechanism in pairs(new_sasl(module.host):mechanisms()) do
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36 list = (not(list) and mechanism) or (list..", "..mechanism);
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37 end
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38 if not list then
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39 module:log("error", "No Cyrus SASL mechanisms available");
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40 else
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41 module:log("debug", "Available Cyrus SASL mechanisms: %s", list);
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42 end
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43 end
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44
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45 local host = module.host;
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46
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47 -- define auth provider
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48 local provider = {};
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49 log("debug", "initializing default authentication provider for host '%s'", host);
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50
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51 function provider.test_password(username, password)
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52 return nil, "Legacy auth not supported with Cyrus SASL.";
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53 end
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54
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55 function provider.get_password(username)
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56 return nil, "Passwords unavailable for Cyrus SASL.";
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57 end
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58
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59 function provider.set_password(username, password)
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60 return nil, "Passwords unavailable for Cyrus SASL.";
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61 end
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62
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63 function provider.user_exists(username)
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64 if require_provisioning then
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65 return usermanager_user_exists(username, host);
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66 end
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67 return true;
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68 end
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69
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70 function provider.create_user(username, password)
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71 return nil, "Account creation/modification not available with Cyrus SASL.";
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72 end
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73
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74 function provider.get_sasl_handler()
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75 local handler = new_sasl(host);
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76 if require_provisioning then
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77 function handler.require_provisioning(username)
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78 return usermanager_user_exists(username, host);
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79 end
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80 end
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81 return handler;
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82 end
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83
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84 module:provides("auth", provider);
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85