prosody
52eaa2590bfb
plugins/mod_auth_cyrus.lua

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plugins/mod_auth_cyrus.lua @ 4159:52eaa2590bfb

mod_auth_cyrus: Print some diagnostic log messages about the available mechanisms.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 23 Feb 2011 01:22:04 +0500
parent 3468:d50e2c937717
child 4160:f08f649b898b
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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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10
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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 realm = module:get_option("sasl_realm") or module.host;
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32 local list;
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33 for mechanism in pairs(new_sasl(realm):mechanisms()) do
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34 list = (not(list) and mechanism) or (list..", "..mechanism);
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35 end
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36 if not list then
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37 module:log("error", "No Cyrus SASL mechanisms available");
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38 else
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39 module:log("debug", "Available Cyrus SASL mechanisms: %s", list);
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40 end
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41 end
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42
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43 function new_default_provider(host)
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44 local provider = { name = "cyrus" };
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45 log("debug", "initializing default authentication provider for host '%s'", host);
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46
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47 function provider.test_password(username, password)
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48 return nil, "Legacy auth not supported with Cyrus SASL.";
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49 end
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50
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51 function provider.get_password(username)
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52 return nil, "Passwords unavailable for Cyrus SASL.";
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53 end
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54
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55 function provider.set_password(username, password)
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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.user_exists(username)
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60 if require_provisioning then
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61 return usermanager_user_exists(username, module.host);
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62 end
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63 return true;
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64 end
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65
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66 function provider.create_user(username, password)
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67 return nil, "Account creation/modification not available with Cyrus SASL.";
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68 end
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69
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70 function provider.get_sasl_handler()
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71 local realm = module:get_option("sasl_realm") or module.host;
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72 local handler = new_sasl(realm);
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73 if require_provisioning then
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74 function handler.require_provisioning(username)
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75 return usermanager_user_exists(username, module.host);
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76 end
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77 end
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78 return handler;
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79 end
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80
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81 return provider;
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82 end
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83
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84 module:add_item("auth-provider", new_default_provider(module.host));
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85