annotate mod_vjud/mod_vjud.lua @ 1504:b8164f18142a

mod_throttle_presence: Make sure flushed stanzas get through the filter
author Kim Alvefur <zash@zash.se>
date Tue, 16 Sep 2014 16:44:32 +0200
parents 400a7fdd2049
children cf3bdcb633f0
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 = dm_load(user, host or base_host, "vcard");
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63 if vCard then
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64 vCard = st.deserialize(vCard);
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65 vCard = vcard.from_xep54(vCard);
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66 return setmetatable(vCard, vCard_mt);
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67 end
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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
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105 local vCard = get_user_vcard(username);
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106 if vCard then
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107 reply:add_child(item_template.apply{
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108 jid = username..at_host;
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109 first = vCard.N and vCard.N[2] or nil;
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110 last = vCard.N and vCard.N[1] or nil;
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111 nick = vCard.NICKNAME and vCard.NICKNAME[1] or username;
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112 email = vCard.EMAIL and vCard.EMAIL[1] or nil;
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113 });
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114 end
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115 else
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116 for username in users() do
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117 local vCard = get_user_vcard(username);
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118 if vCard
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119 and ((first and vCard.N and s_find(s_lower(vCard.N[2]), first, nil, true))
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120 or (last and vCard.N and s_find(s_lower(vCard.N[1]), last, nil, true))
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121 or (nick and vCard.NICKNAME and s_find(s_lower(vCard.NICKNAME[1]), nick, nil, true))
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122 or (email and vCard.EMAIL and s_find(s_lower(vCard.EMAIL[1]), email, nil, true))) then
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123 reply:add_child(item_template.apply{
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124 jid = username..at_host;
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125 first = vCard.N and vCard.N[2] or nil;
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126 last = vCard.N and vCard.N[1] or nil;
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127 nick = vCard.NICKNAME and vCard.NICKNAME[1] or username;
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128 email = vCard.EMAIL and vCard.EMAIL[1] or nil;
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129 });
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130 end
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131 end
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132 end
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133 origin.send(reply);
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134 end
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135 return true;
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136 end);
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137
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138 if search_mode == "all" then
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139 function users()
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140 return usermanager.users(base_host);
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141 end
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142 else -- if "opt-in", default
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143 local opted_in;
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144 function module.load()
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145 opted_in = dm_load(nil, module.host, "user_index") or {};
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146 end
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147 function module.unload()
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148 dm_store(nil, module.host, "user_index", opted_in);
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149 end
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150 function users()
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151 return pairs(opted_in);
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152 end
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153 local opt_in_layout = dataforms_new{
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154 title = "Search settings";
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155 instructions = "Do you want to appear in search results?";
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156 {
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157 name = "searchable",
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158 label = "Appear in search results?",
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159 type = "boolean",
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160 },
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161 };
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162 local function opt_in_handler(self, data, state)
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163 local username, hostname = jid_split(data.from);
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164 if state then -- the second return value
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165 if data.action == "cancel" then
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166 return { status = "canceled" };
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167 end
715
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168
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169 if not username or not hostname or hostname ~= base_host then
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170 return { status = "error", error = { type = "cancel",
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171 condition = "forbidden", message = "Invalid user or hostname." } };
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172 end
715
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173
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174 local fields = opt_in_layout:data(data.form);
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175 opted_in[username] = fields.searchable or nil
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176
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177 return { status = "completed" }
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178 else -- No state, send the form.
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179 return { status = "executing", actions = { "complete" },
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180 form = { layout = opt_in_layout, values = { searchable = opted_in[username] } } }, true;
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181 end
715
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182 end
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183
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184 local adhoc_new = module:require "adhoc".new;
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185 local adhoc_vjudsetup = adhoc_new("Search settings", "vjudsetup", opt_in_handler);--, "self");-- and nil);
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186 module:depends"adhoc";
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187 module:provides("adhoc", adhoc_vjudsetup);
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188
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189 end