prosody
e2cd5848c650
plugins/mod_auth_anonymous.lua

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plugins/mod_auth_anonymous.lua @ 6790:e2cd5848c650

luacheckrc: Ignore unused _ENV variable
author Kim Alvefur <zash@zash.se>
date Thu, 20 Aug 2015 10:10:36 +0200
parent 6023:93b4058e3320
child 8053:7d26dab7ce0d
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c4069680a01c mod_auth_anonymous: Auth provider with support for SASL ANONYMOUS.
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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 new_sasl = require "util.sasl".new;
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10 local datamanager = require "util.datamanager";
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11 local hosts = prosody.hosts;
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12
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13 -- define auth provider
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14 local provider = {};
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15
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16 function provider.test_password(username, password)
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17 return nil, "Password based auth not supported.";
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18 end
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20 function provider.get_password(username)
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21 return nil, "Password not available.";
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22 end
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23
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24 function provider.set_password(username, password)
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25 return nil, "Password based auth not supported.";
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26 end
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28 function provider.user_exists(username)
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29 return nil, "Only anonymous users are supported."; -- FIXME check if anonymous user is connected?
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30 end
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32 function provider.create_user(username, password)
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33 return nil, "Account creation/modification not supported.";
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34 end
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35
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36 function provider.get_sasl_handler()
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37 local anonymous_authentication_profile = {
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38 anonymous = function(sasl, username, realm)
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39 return true; -- for normal usage you should always return true here
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40 end
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41 };
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42 return new_sasl(module.host, anonymous_authentication_profile);
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43 end
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44
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45 function provider.users()
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46 return next, hosts[module.host].sessions, nil;
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47 end
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48
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49 -- datamanager callback to disable writes
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50 local function dm_callback(username, host, datastore, data)
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51 if host == module.host then
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52 return false;
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53 end
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54 return username, host, datastore, data;
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55 end
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56
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57 if not module:get_option_boolean("allow_anonymous_s2s", false) then
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58 module:hook("route/remote", function (event)
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59 return false; -- Block outgoing s2s from anonymous users
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60 end, 300);
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61 end
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62
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63 function module.load()
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64 datamanager.add_callback(dm_callback);
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65 end
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66 function module.unload()
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67 datamanager.remove_callback(dm_callback);
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68 end
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69
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70 module:provides("auth", provider);
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71