prosody
b1e10c327d66
plugins/mod_auth_cyrus.lua

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plugins/mod_auth_cyrus.lua @ 4505:b1e10c327d66

mod_saslauth: Fire authentication-failure if make_authenticated() failed.
author Kim Alvefur <zash@zash.se>
date Sun, 12 Feb 2012 15:08:12 +0100
parent 4160:f08f649b898b
child 5000:58c9519dc461
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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 log = require "util.logger".init("auth_cyrus");
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11 local usermanager_user_exists = require "core.usermanager".user_exists;
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12
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13 local cyrus_service_realm = module:get_option("cyrus_service_realm");
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14 local cyrus_service_name = module:get_option("cyrus_service_name");
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15 local cyrus_application_name = module:get_option("cyrus_application_name");
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16 local require_provisioning = module:get_option("cyrus_require_provisioning") or false;
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18 prosody.unlock_globals(); --FIXME: Figure out why this is needed and
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19 -- why cyrussasl isn't caught by the sandbox
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20 local cyrus_new = require "util.sasl_cyrus".new;
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21 prosody.lock_globals();
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22 local new_sasl = function(realm)
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23 return cyrus_new(
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24 cyrus_service_realm or realm,
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25 cyrus_service_name or "xmpp",
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26 cyrus_application_name or "prosody"
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27 );
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28 end
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29
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30 do -- diagnostic
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31 local list;
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32 for mechanism in pairs(new_sasl(module.host):mechanisms()) do
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33 list = (not(list) and mechanism) or (list..", "..mechanism);
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34 end
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35 if not list then
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36 module:log("error", "No Cyrus SASL mechanisms available");
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37 else
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38 module:log("debug", "Available Cyrus SASL mechanisms: %s", list);
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39 end
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40 end
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41
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42 function new_default_provider(host)
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43 local provider = { name = "cyrus" };
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44 log("debug", "initializing default authentication provider for host '%s'", host);
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45
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46 function provider.test_password(username, password)
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47 return nil, "Legacy auth not supported with Cyrus SASL.";
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48 end
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49
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50 function provider.get_password(username)
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51 return nil, "Passwords unavailable for Cyrus SASL.";
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52 end
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53
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54 function provider.set_password(username, password)
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55 return nil, "Passwords unavailable for Cyrus SASL.";
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56 end
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57
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58 function provider.user_exists(username)
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59 if require_provisioning then
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60 return usermanager_user_exists(username, module.host);
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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.create_user(username, password)
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66 return nil, "Account creation/modification not available with Cyrus SASL.";
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67 end
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68
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69 function provider.get_sasl_handler()
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70 local handler = new_sasl(module.host);
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71 if require_provisioning then
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72 function handler.require_provisioning(username)
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73 return usermanager_user_exists(username, module.host);
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74 end
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75 end
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76 return handler;
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77 end
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78
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79 return provider;
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80 end
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81
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82 module:add_item("auth-provider", new_default_provider(module.host));
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83