annotate mod_vjud/mod_vjud.lua @ 5593:6d0574bfbf5d

mod_client_management: Include software version in table (when known) Showing software versions could be useful for statistical reasons, e.g. determining how quickly (or not) users upgrade, but most importantly for revoking vulnerable clients versions in case of a security issue.
author Kim Alvefur <zash@zash.se>
date Thu, 13 Jul 2023 23:26:02 +0200
parents 5dffb85e62c4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local dm_load = require "util.datamanager".load;
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2 local dm_store = require "util.datamanager".store;
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3
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4 local usermanager = require "core.usermanager";
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5 local dataforms_new = require "util.dataforms".new;
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6 local jid_split = require "util.jid".prepped_split;
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7 local vcard = module:require "vcard";
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8 local rawget, rawset = rawget, rawset;
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9 local s_lower = string.lower;
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10 local s_find = string.find;
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11
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12 local st = require "util.stanza";
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13 local template = require "util.template";
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14
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15 local instructions = module:get_option_string("vjud_instructions", "Fill in one or more fields to search for any matching Jabber users.");
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16
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17 local get_reply = template[[
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18 <query xmlns="jabber:iq:search">
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19 <instructions>{instructions}</instructions>
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20 <first/>
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21 <last/>
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22 <nick/>
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23 <email/>
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24 </query>
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25 ]].apply({ instructions = instructions });
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26 local item_template = template[[
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27 <item xmlns="jabber:iq:search" jid="{jid}">
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28 <first>{first}</first>
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29 <last>{last}</last>
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30 <nick>{nick}</nick>
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31 <email>{email}</email>
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32 </item>
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33 ]];
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34
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35 local search_mode = module:get_option_string("vjud_mode", "opt-in");
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36 local allow_remote = module:get_option_boolean("allow_remote_searches", search_mode ~= "all");
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37 local base_host = module:get_option_string("vjud_search_domain",
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38 module:get_host_type() == "component"
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39 and module.host:gsub("^[^.]+%.","")
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40 or module.host);
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41
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42 module:depends"disco";
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43 if module:get_host_type() == "component" then
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44 module:add_identity("directory", "user", module:get_option_string("name", "User search"));
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45 end
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46 module:add_feature("jabber:iq:search");
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47
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48 local vCard_mt = {
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49 __index = function(t, k)
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50 if type(k) ~= "string" then return nil end
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51 for i=1,#t do
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52 local t_i = rawget(t, i);
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53 if t_i and t_i.name == k then
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54 rawset(t, k, t_i);
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55 return t_i;
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56 end
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57 end
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58 end
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59 };
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60
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61 local function get_user_vcard(user, host)
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62 local vCard, err = dm_load(user, host or base_host, "vcard");
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63 if not vCard then return nil, err; end
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64 vCard = st.deserialize(vCard);
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65 vCard, err = vcard.from_xep54(vCard);
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66 if not vCard then return nil, err; end
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67 return setmetatable(vCard, vCard_mt);
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68 end
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69
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70 local at_host = "@"..base_host;
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71
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72 local users; -- The user iterator
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73
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74 module:hook("iq/host/jabber:iq:search:query", function(event)
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75 local origin, stanza = event.origin, event.stanza;
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76
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77 if not (allow_remote or origin.type == "c2s") then
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78 origin.send(st.error_reply(stanza, "cancel", "not-allowed"))
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79 return true;
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80 end
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81
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82 if stanza.attr.type == "get" then
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83 origin.send(st.reply(stanza):add_child(get_reply));
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84 else -- type == "set"
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85 local query = stanza.tags[1];
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86 local first, last, nick, email =
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87 s_lower(query:get_child_text"first" or ""),
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88 s_lower(query:get_child_text"last" or ""),
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89 s_lower(query:get_child_text"nick" or ""),
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90 s_lower(query:get_child_text"email" or "");
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91
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92 first = #first >= 2 and first;
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93 last = #last >= 2 and last;
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94 nick = #nick >= 2 and nick;
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95 email = #email >= 2 and email;
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96 if not ( first or last or nick or email ) then
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97 origin.send(st.error_reply(stanza, "modify", "not-acceptable", "All fields were empty or too short"));
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98 return true;
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99 end
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100
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101 local reply = st.reply(stanza):query("jabber:iq:search");
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102
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103 local username, hostname = jid_split(email);
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104 if hostname == base_host and username and usermanager.user_exists(username, hostname) then
2008
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105 local vCard, err = get_user_vcard(username);
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106 if not vCard then
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107 module:log("debug", "Couldn't get vCard for user %s: %s", username, err or "unknown error");
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108 else
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109 reply:add_child(item_template.apply{
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110 jid = username..at_host;
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111 first = vCard.N and vCard.N[2] or nil;
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112 last = vCard.N and vCard.N[1] or nil;
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113 nick = vCard.NICKNAME and vCard.NICKNAME[1] or username;
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114 email = vCard.EMAIL and vCard.EMAIL[1] or nil;
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115 });
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116 end
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117 else
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118 for username in users() do
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119 local vCard = get_user_vcard(username);
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120 if vCard
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121 and ((first and vCard.N and s_find(s_lower(vCard.N[2]), first, nil, true))
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122 or (last and vCard.N and s_find(s_lower(vCard.N[1]), last, nil, true))
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123 or (nick and vCard.NICKNAME and s_find(s_lower(vCard.NICKNAME[1]), nick, nil, true))
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124 or (email and vCard.EMAIL and s_find(s_lower(vCard.EMAIL[1]), email, nil, true))) then
715
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parents:
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125 reply:add_child(item_template.apply{
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126 jid = username..at_host;
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127 first = vCard.N and vCard.N[2] or nil;
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128 last = vCard.N and vCard.N[1] or nil;
715
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129 nick = vCard.NICKNAME and vCard.NICKNAME[1] or username;
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130 email = vCard.EMAIL and vCard.EMAIL[1] or nil;
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131 });
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parents:
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132 end
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Kim Alvefur <zash@zash.se>
parents:
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133 end
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Kim Alvefur <zash@zash.se>
parents:
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134 end
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Kim Alvefur <zash@zash.se>
parents:
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135 origin.send(reply);
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Kim Alvefur <zash@zash.se>
parents:
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136 end
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Kim Alvefur <zash@zash.se>
parents:
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137 return true;
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Kim Alvefur <zash@zash.se>
parents:
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138 end);
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139
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140 if search_mode == "all" then
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Kim Alvefur <zash@zash.se>
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141 function users()
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142 return usermanager.users(base_host);
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143 end
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Kim Alvefur <zash@zash.se>
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144 else -- if "opt-in", default
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145 local opted_in;
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146 function module.load()
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147 opted_in = dm_load(nil, module.host, "user_index") or {};
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148 end
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
149 function module.unload()
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150 dm_store(nil, module.host, "user_index", opted_in);
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151 end
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152 function users()
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Kim Alvefur <zash@zash.se>
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153 return pairs(opted_in);
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154 end
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
155 local opt_in_layout = dataforms_new{
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
156 title = "Search settings";
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Kim Alvefur <zash@zash.se>
parents: 880
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157 instructions = "Do you want to appear in search results?";
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158 {
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Kim Alvefur <zash@zash.se>
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159 name = "searchable",
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Kim Alvefur <zash@zash.se>
parents: 880
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160 label = "Appear in search results?",
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Kim Alvefur <zash@zash.se>
parents: 880
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161 type = "boolean",
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Kim Alvefur <zash@zash.se>
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162 },
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Kim Alvefur <zash@zash.se>
parents: 880
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163 };
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parents: 880
diff changeset
164 local function opt_in_handler(self, data, state)
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parents: 880
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165 local username, hostname = jid_split(data.from);
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parents: 880
diff changeset
166 if state then -- the second return value
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
167 if data.action == "cancel" then
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
168 return { status = "canceled" };
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parents: 880
diff changeset
169 end
715
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
170
881
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parents: 880
diff changeset
171 if not username or not hostname or hostname ~= base_host then
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parents: 880
diff changeset
172 return { status = "error", error = { type = "cancel",
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parents: 880
diff changeset
173 condition = "forbidden", message = "Invalid user or hostname." } };
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Kim Alvefur <zash@zash.se>
parents: 880
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174 end
715
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
175
881
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Kim Alvefur <zash@zash.se>
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176 local fields = opt_in_layout:data(data.form);
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parents: 880
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177 opted_in[username] = fields.searchable or nil
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178
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Kim Alvefur <zash@zash.se>
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179 return { status = "completed" }
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180 else -- No state, send the form.
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parents: 880
diff changeset
181 return { status = "executing", actions = { "complete" },
787
cec49ee88c23 mod_vjud: Correctly pass current state to form (Thanks Florob)
Kim Alvefur <zash@zash.se>
parents: 742
diff changeset
182 form = { layout = opt_in_layout, values = { searchable = opted_in[username] } } }, true;
881
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Kim Alvefur <zash@zash.se>
parents: 880
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183 end
715
b1268d3aa6ce mod_vjud: Add. Thanks waqas for the base code.
Kim Alvefur <zash@zash.se>
parents:
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184 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
185
881
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
186 local adhoc_new = module:require "adhoc".new;
4910
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Matthew Wild <mwild1@gmail.com>
parents: 2179
diff changeset
187 local adhoc_vjudsetup = adhoc_new("Search settings", "vjudsetup", opt_in_handler, "any");--, "self");-- and nil);
881
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
188 module:depends"adhoc";
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
189 module:provides("adhoc", adhoc_vjudsetup);
715
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
190
881
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Kim Alvefur <zash@zash.se>
parents: 880
diff changeset
191 end