annotate mod_auth_ldap/mod_auth_ldap.lua @ 1315:e8eebf281405

mod_mam_muc: Remove code that should have been removed in previous commit
author Kim Alvefur <zash@zash.se>
date Thu, 20 Feb 2014 20:40:38 +0100
parents da2e593317d7
children ab638f6b53dc
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1 -- mod_auth_ldap
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2
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3 local new_sasl = require "util.sasl".new;
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4 local lualdap = require "lualdap";
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5 local function ldap_filter_escape(s) return (s:gsub("[\\*\\(\\)\\\\%z]", function(c) return ("\\%02x"):format(c:byte()) end)); end
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6
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7 -- Config options
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8 local ldap_server = module:get_option_string("ldap_server", "localhost");
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9 local ldap_rootdn = module:get_option_string("ldap_rootdn", "");
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10 local ldap_password = module:get_option_string("ldap_password", "");
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11 local ldap_tls = module:get_option_boolean("ldap_tls");
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12 local ldap_scope = module:get_option_string("ldap_scope", "onelevel");
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13 local ldap_filter = module:get_option_string("ldap_filter", "(uid=$user)"):gsub("%%s", "$user", 1);
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14 local ldap_base = assert(module:get_option_string("ldap_base"), "ldap_base is a required option for ldap");
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15 local ldap_mode = module:get_option_string("ldap_mode", "getpasswd");
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16 local host = ldap_filter_escape(module:get_option_string("realm", module.host));
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18 -- Initiate connection
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19 local ld = assert(lualdap.open_simple(ldap_server, ldap_rootdn, ldap_password, ldap_tls));
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20 module.unload = function() ld:close(); end
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21
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22 local function get_user(username)
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23 module:log("debug", "get_user(%q)", username);
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24 return ld:search({
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25 base = ldap_base;
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26 scope = ldap_scope;
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27 filter = ldap_filter:gsub("%$(%a+)", {
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28 user = ldap_filter_escape(username);
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29 host = host;
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30 });
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31 })();
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32 end
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33
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34 local provider = {};
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36 function provider.create_user(username, password)
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37 return nil, "Account creation not available with LDAP.";
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38 end
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39
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40 function provider.user_exists(username)
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41 return not not get_user(username);
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42 end
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43
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44 function provider.set_password(username, password)
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45 local dn, attr = get_user(username);
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46 if not dn then return nil, attr end
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47 if attr.userPassword == password then return true end
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48 return ld:modify(dn, { '=', userPassword = password })();
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49 end
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50
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51 if ldap_mode == "getpasswd" then
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52 function provider.get_password(username)
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53 local dn, attr = get_user(username);
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54 if dn and attr then
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55 return attr.userPassword;
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56 end
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57 end
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58
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59 function provider.test_password(username, password)
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60 return provider.get_password(username) == password;
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61 end
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62
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63 function provider.get_sasl_handler()
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64 return new_sasl(module.host, {
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65 plain = function(sasl, username)
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66 local password = provider.get_password(username);
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67 if not password then return "", nil; end
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68 return password, true;
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69 end
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70 });
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71 end
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72 elseif ldap_mode == "bind" then
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73 local function test_password(userdn, password)
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74 return not not lualdap.open_simple(ldap_server, userdn, password, ldap_tls);
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75 end
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76
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77 function provider.test_password(username, password)
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78 local dn = get_user(username);
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79 if not dn then return end
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80 return test_password(dn, password)
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81 end
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82
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83 function provider.get_sasl_handler()
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84 return new_sasl(module.host, {
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85 plain_test = function(sasl, username, password)
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86 return provider.test_password(username, password), true;
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87 end
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88 });
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89 end
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90 else
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91 module:log("error", "Unsupported ldap_mode %s", tostring(ldap_mode));
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92 end
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93
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94 module:provides("auth", provider);