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plugins/mod_pep.lua @ 12777:4d5549de27e6
util.jsonpointer: Improve tests
Result of mutation testing
Remaining mutants are mostly relating to the math.type() fallback.
Another case being that array[#array+1] == array[#array+2] and thus
doesn't matter.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 19 Oct 2022 14:21:13 +0200 |
parent | 12260:e729c994e7c7 |
child | 12960:31b22cc221b5 |
rev | line source |
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1 local pubsub = require "util.pubsub"; |
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2 local jid_bare = require "util.jid".bare; |
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3 local jid_split = require "util.jid".split; |
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4 local jid_join = require "util.jid".join; |
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5 local set_new = require "util.set".new; |
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6 local st = require "util.stanza"; |
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7 local calculate_hash = require "util.caps".calculate_hash; |
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8 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; |
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9 local cache = require "util.cache"; |
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10 local set = require "util.set"; |
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11 local new_id = require "util.id".medium; |
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12 local storagemanager = require "core.storagemanager"; |
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13 local usermanager = require "core.usermanager"; |
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14 |
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15 local xmlns_pubsub = "http://jabber.org/protocol/pubsub"; |
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16 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event"; |
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17 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner"; |
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18 |
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19 local lib_pubsub = module:require "pubsub"; |
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20 |
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21 local empty_set = set_new(); |
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22 |
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23 -- username -> object passed to module:add_items() |
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24 local pep_service_items = {}; |
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25 |
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26 -- size of caches with full pubsub service objects |
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27 local service_cache_size = module:get_option_number("pep_service_cache_size", 1000); |
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28 |
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29 -- username -> util.pubsub service object |
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30 local services = cache.new(service_cache_size, function (username, _) |
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31 local item = pep_service_items[username]; |
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32 pep_service_items[username] = nil; |
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33 if item then |
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34 module:remove_item("pep-service", item); |
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35 end |
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36 end):table(); |
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37 |
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38 -- size of caches with smaller objects |
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39 local info_cache_size = module:get_option_number("pep_info_cache_size", 10000); |
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40 |
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41 -- username -> recipient -> set of nodes |
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42 local recipients = cache.new(info_cache_size):table(); |
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43 |
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44 -- caps hash -> set of nodes |
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45 local hash_map = cache.new(info_cache_size):table(); |
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46 |
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47 local host = module.host; |
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48 |
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49 local node_config = module:open_store("pep", "map"); |
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50 local known_nodes = module:open_store("pep"); |
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51 |
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52 local max_max_items = module:get_option_number("pep_max_items", 256); |
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53 |
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54 local function tonumber_max_items(n) |
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55 if n == "max" then |
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56 return max_max_items; |
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57 end |
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58 return tonumber(n); |
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59 end |
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60 |
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61 for _, field in ipairs(lib_pubsub.node_config_form) do |
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62 if field.var == "pubsub#max_items" then |
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63 field.range_max = max_max_items; |
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64 break; |
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65 end |
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66 end |
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67 |
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68 function module.save() |
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69 return { |
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70 recipients = recipients; |
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71 }; |
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72 end |
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73 |
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74 function module.restore(data) |
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75 recipients = data.recipients; |
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76 end |
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77 |
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78 function is_item_stanza(item) |
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79 return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item" and #item.tags == 1; |
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80 end |
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81 |
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82 function check_node_config(node, actor, new_config) -- luacheck: ignore 212/node 212/actor |
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83 if (tonumber_max_items(new_config["max_items"]) or 1) > max_max_items then |
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84 return false; |
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85 end |
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86 if new_config["access_model"] ~= "presence" |
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87 and new_config["access_model"] ~= "whitelist" |
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88 and new_config["access_model"] ~= "open" then |
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89 return false; |
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90 end |
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91 return true; |
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92 end |
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93 |
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94 local function subscription_presence(username, recipient) |
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95 local user_bare = jid_join(username, host); |
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96 local recipient_bare = jid_bare(recipient); |
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97 if (recipient_bare == user_bare) then return true; end |
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98 return is_contact_subscribed(username, host, recipient_bare); |
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99 end |
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100 |
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101 local function nodestore(username) |
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102 -- luacheck: ignore 212/self |
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103 local store = {}; |
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104 function store:get(node) |
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105 local data, err = node_config:get(username, node) |
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106 if data == true then |
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107 -- COMPAT Previously stored only a boolean representing 'persist_items' |
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108 data = { |
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109 name = node; |
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110 config = {}; |
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111 subscribers = {}; |
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112 affiliations = {}; |
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113 }; |
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114 end |
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115 return data, err; |
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116 end |
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117 function store:set(node, data) |
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118 return node_config:set(username, node, data); |
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119 end |
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120 function store:users() |
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121 return pairs(known_nodes:get(username) or {}); |
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122 end |
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123 return store; |
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124 end |
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125 |
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126 local function simple_itemstore(username) |
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127 local driver = storagemanager.get_driver(module.host, "pep_data"); |
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128 return function (config, node) |
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129 local max_items = tonumber_max_items(config["max_items"]); |
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130 module:log("debug", "Creating new persistent item store for user %s, node %q", username, node); |
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131 local archive = driver:open("pep_"..node, "archive"); |
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132 return lib_pubsub.archive_itemstore(archive, max_items, username, node, false); |
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133 end |
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134 end |
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135 |
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136 local function get_broadcaster(username) |
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137 local user_bare = jid_join(username, host); |
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138 local function simple_broadcast(kind, node, jids, item, _, node_obj) |
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139 if node_obj then |
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140 if node_obj.config["notify_"..kind] == false then |
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141 return; |
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142 end |
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143 end |
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144 if kind == "retract" then |
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145 kind = "items"; -- XEP-0060 signals retraction in an <items> container |
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146 end |
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147 if item then |
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148 item = st.clone(item); |
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149 item.attr.xmlns = nil; -- Clear the pubsub namespace |
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150 if kind == "items" then |
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151 if node_obj and node_obj.config.include_payload == false then |
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152 item:maptags(function () return nil; end); |
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153 end |
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154 end |
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155 end |
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156 |
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157 local id = new_id(); |
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158 local message = st.message({ from = user_bare, type = "headline", id = id }) |
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159 :tag("event", { xmlns = xmlns_pubsub_event }) |
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160 :tag(kind, { node = node }); |
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161 |
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162 if item then |
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163 message:add_child(item); |
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164 end |
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165 |
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166 for jid in pairs(jids) do |
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167 module:log("debug", "Sending notification to %s from %s for node %s", jid, user_bare, node); |
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168 message.attr.to = jid; |
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169 module:send(message); |
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170 end |
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171 end |
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172 return simple_broadcast; |
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173 end |
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174 |
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175 local function get_subscriber_filter(username) |
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176 return function (jids, node) |
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177 local broadcast_to = {}; |
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178 for jid, opts in pairs(jids) do |
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179 broadcast_to[jid] = opts; |
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180 end |
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181 |
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182 local service_recipients = recipients[username]; |
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183 if service_recipients then |
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184 local service = services[username]; |
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185 for recipient, nodes in pairs(service_recipients) do |
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186 if nodes:contains(node) and service:may(node, recipient, "subscribe") then |
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187 broadcast_to[recipient] = true; |
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188 end |
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189 end |
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190 end |
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191 return broadcast_to; |
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192 end |
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193 end |
9542
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194 |
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195 -- Read-only service with no nodes where nobody is allowed anything to act as a |
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196 -- fallback for interactions with non-existent users |
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197 local nobody_service = pubsub.new({ |
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198 node_defaults = { |
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199 ["max_items"] = 1; |
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200 ["persist_items"] = false; |
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|
201 ["access_model"] = "presence"; |
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202 ["send_last_published_item"] = "on_sub_and_presence"; |
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203 }; |
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204 autocreate_on_publish = false; |
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|
205 autocreate_on_subscribe = false; |
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|
206 get_affiliation = function () |
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207 return "outcast"; |
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208 end; |
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209 }); |
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210 |
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211 function get_pep_service(username) |
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|
212 local user_bare = jid_join(username, host); |
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|
213 local service = services[username]; |
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214 if service then |
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215 return service; |
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216 end |
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|
217 if not usermanager.user_exists(username, host) then |
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|
218 return nobody_service; |
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|
219 end |
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diff
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|
220 module:log("debug", "Creating pubsub service for user %q", username); |
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221 service = pubsub.new({ |
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222 pep_username = username; |
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223 node_defaults = { |
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224 ["max_items"] = 1; |
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225 ["persist_items"] = true; |
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226 ["access_model"] = "presence"; |
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227 ["send_last_published_item"] = "on_sub_and_presence"; |
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228 }; |
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229 max_items = max_max_items; |
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230 |
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231 autocreate_on_publish = true; |
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232 autocreate_on_subscribe = false; |
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233 |
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234 nodestore = nodestore(username); |
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235 itemstore = simple_itemstore(username); |
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236 broadcaster = get_broadcaster(username); |
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237 subscriber_filter = get_subscriber_filter(username); |
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238 itemcheck = is_item_stanza; |
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239 get_affiliation = function (jid) |
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240 if jid_bare(jid) == user_bare then |
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241 return "owner"; |
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242 end |
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243 end; |
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244 |
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245 access_models = { |
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246 presence = function (jid) |
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247 if subscription_presence(username, jid) then |
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248 return "member"; |
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249 end |
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250 return "outcast"; |
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251 end; |
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252 }; |
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253 |
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254 jid = user_bare; |
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255 normalize_jid = jid_bare; |
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256 |
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257 check_node_config = check_node_config; |
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258 }); |
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259 services[username] = service; |
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260 local item = { service = service, jid = user_bare } |
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261 pep_service_items[username] = item; |
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262 module:add_item("pep-service", item); |
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263 return service; |
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264 end |
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265 |
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266 function handle_pubsub_iq(event) |
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267 local origin, stanza = event.origin, event.stanza; |
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268 local service_name = origin.username; |
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269 if stanza.attr.to ~= nil then |
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270 service_name = jid_split(stanza.attr.to); |
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271 end |
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272 local service = get_pep_service(service_name); |
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273 |
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274 return lib_pubsub.handle_pubsub_iq(event, service) |
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275 end |
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276 |
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277 module:hook("iq/bare/"..xmlns_pubsub..":pubsub", handle_pubsub_iq); |
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278 module:hook("iq/bare/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq); |
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279 |
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280 |
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281 local function get_caps_hash_from_presence(stanza, current) |
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282 local t = stanza.attr.type; |
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283 if not t then |
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284 local child = stanza:get_child("c", "http://jabber.org/protocol/caps"); |
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285 if child then |
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286 local attr = child.attr; |
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287 if attr.hash then -- new caps |
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288 if attr.hash == 'sha-1' and attr.node and attr.ver then |
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289 return attr.ver, attr.node.."#"..attr.ver; |
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290 end |
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291 else -- legacy caps |
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292 if attr.node and attr.ver then |
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293 return attr.node.."#"..attr.ver.."#"..(attr.ext or ""), attr.node.."#"..attr.ver; |
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294 end |
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295 end |
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296 end |
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297 return; -- no or bad caps |
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298 elseif t == "unavailable" or t == "error" then |
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299 return; |
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300 end |
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301 return current; -- no caps, could mean caps optimization, so return current |
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302 end |
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303 |
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304 local function resend_last_item(jid, node, service) |
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305 local ok, config = service:get_node_config(node, true); |
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306 if ok and config.send_last_published_item ~= "on_sub_and_presence" then return end |
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|
307 local ok, id, item = service:get_last_item(node, jid); |
9205 | 308 if not (ok and id) then return; end |
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309 service.config.broadcaster("items", node, { [jid] = true }, item); |
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310 end |
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311 |
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312 local function update_subscriptions(recipient, service_name, nodes) |
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313 nodes = nodes or empty_set; |
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314 |
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315 local service_recipients = recipients[service_name]; |
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316 if not service_recipients then |
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317 service_recipients = {}; |
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318 recipients[service_name] = service_recipients; |
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319 end |
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320 |
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321 local current = service_recipients[recipient]; |
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322 if not current then |
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323 current = empty_set; |
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324 end |
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325 |
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326 if (current == empty_set or current:empty()) and (nodes == empty_set or nodes:empty()) then |
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327 return; |
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328 end |
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329 |
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330 local service = get_pep_service(service_name); |
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331 |
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332 for node in nodes - current do |
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333 if service:may(node, recipient, "subscribe") then |
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334 resend_last_item(recipient, node, service); |
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335 end |
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336 end |
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337 |
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338 if nodes == empty_set or nodes:empty() then |
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339 nodes = nil; |
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340 end |
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341 |
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342 service_recipients[recipient] = nodes; |
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343 end |
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344 |
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345 module:hook("presence/bare", function(event) |
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346 -- inbound presence to bare JID received |
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347 local origin, stanza = event.origin, event.stanza; |
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348 local t = stanza.attr.type; |
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349 local is_self = not stanza.attr.to; |
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350 local username = jid_split(stanza.attr.to); |
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351 local user_bare = jid_bare(stanza.attr.to); |
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352 if is_self then |
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353 username = origin.username; |
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354 user_bare = jid_join(username, host); |
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355 end |
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356 |
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357 if not t then -- available presence |
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358 if is_self or subscription_presence(username, stanza.attr.from) then |
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359 local recipient = stanza.attr.from; |
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360 local current = recipients[username] and recipients[username][recipient]; |
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361 local hash, query_node = get_caps_hash_from_presence(stanza, current); |
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362 if current == hash or (current and current == hash_map[hash]) then return; end |
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363 if not hash then |
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364 update_subscriptions(recipient, username); |
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365 else |
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366 recipients[username] = recipients[username] or {}; |
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367 if hash_map[hash] then |
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368 update_subscriptions(recipient, username, hash_map[hash]); |
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369 else |
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370 -- COMPAT from ~= stanza.attr.to because OneTeam can't deal with missing from attribute |
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371 origin.send( |
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372 st.stanza("iq", {from=user_bare, to=stanza.attr.from, id="disco", type="get"}) |
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373 :tag("query", {xmlns = "http://jabber.org/protocol/disco#info", node = query_node}) |
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374 ); |
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375 end |
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376 end |
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377 end |
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378 elseif t == "unavailable" then |
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379 update_subscriptions(stanza.attr.from, username); |
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380 elseif not is_self and t == "unsubscribe" then |
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381 local from = jid_bare(stanza.attr.from); |
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382 local subscriptions = recipients[username]; |
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383 if subscriptions then |
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384 for subscriber in pairs(subscriptions) do |
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385 if jid_bare(subscriber) == from then |
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386 update_subscriptions(subscriber, username); |
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387 end |
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388 end |
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389 end |
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390 end |
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391 end, 10); |
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392 |
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393 module:hook("iq-result/bare/disco", function(event) |
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394 local origin, stanza = event.origin, event.stanza; |
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395 local disco = stanza:get_child("query", "http://jabber.org/protocol/disco#info"); |
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396 if not disco then |
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397 return; |
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398 end |
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399 |
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400 -- Process disco response |
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401 local is_self = stanza.attr.to == nil; |
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402 local user_bare = jid_bare(stanza.attr.to); |
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403 local username = jid_split(stanza.attr.to); |
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404 if is_self then |
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405 username = origin.username; |
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406 user_bare = jid_join(username, host); |
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|
407 end |
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408 local contact = stanza.attr.from; |
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409 local ver = calculate_hash(disco.tags); -- calculate hash |
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410 local notify = set_new(); |
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411 for _, feature in pairs(disco.tags) do |
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412 if feature.name == "feature" and feature.attr.var then |
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413 local nfeature = feature.attr.var:match("^(.*)%+notify$"); |
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|
414 if nfeature then notify:add(nfeature); end |
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415 end |
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416 end |
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417 hash_map[ver] = notify; -- update hash map |
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418 if is_self then |
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419 -- Optimization: Fiddle with other local users |
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420 for jid, item in pairs(origin.roster) do -- for all interested contacts |
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421 if jid then |
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422 local contact_node, contact_host = jid_split(jid); |
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423 if contact_host == host and (item.subscription == "both" or item.subscription == "from") then |
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424 update_subscriptions(user_bare, contact_node, notify); |
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425 end |
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426 end |
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427 end |
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428 end |
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429 update_subscriptions(contact, username, notify); |
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430 end); |
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431 |
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432 module:hook("account-disco-info-node", function(event) |
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433 local stanza, origin = event.stanza, event.origin; |
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434 local service_name = origin.username; |
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435 if stanza.attr.to ~= nil then |
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436 service_name = jid_split(stanza.attr.to); |
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437 end |
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438 local service = get_pep_service(service_name); |
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439 return lib_pubsub.handle_disco_info_node(event, service); |
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440 end); |
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441 |
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442 module:hook("account-disco-info", function(event) |
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443 local origin, reply = event.origin, event.reply; |
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444 |
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445 reply:tag('identity', {category='pubsub', type='pep'}):up(); |
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446 |
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447 local username = jid_split(reply.attr.from) or origin.username; |
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448 local service = get_pep_service(username); |
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449 |
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450 local supported_features = lib_pubsub.get_feature_set(service) + set.new{ |
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451 -- Features not covered by the above |
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452 "auto-subscribe", |
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453 "filtered-notifications", |
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454 "last-published", |
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455 "presence-notifications", |
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456 "presence-subscribe", |
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457 }; |
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458 |
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459 reply:tag('feature', {var=xmlns_pubsub}):up(); |
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460 for feature in supported_features do |
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461 reply:tag('feature', {var=xmlns_pubsub.."#"..feature}):up(); |
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462 end |
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463 end); |
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464 |
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465 module:hook("account-disco-items-node", function(event) |
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466 local stanza, origin = event.stanza, event.origin; |
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467 local is_self = stanza.attr.to == nil; |
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468 local username = jid_split(stanza.attr.to); |
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469 if is_self then |
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470 username = origin.username; |
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471 end |
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472 local service = get_pep_service(username); |
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473 return lib_pubsub.handle_disco_items_node(event, service); |
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474 end); |
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475 |
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476 module:hook("account-disco-items", function(event) |
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477 local reply, stanza, origin = event.reply, event.stanza, event.origin; |
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478 |
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479 local is_self = stanza.attr.to == nil; |
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480 local user_bare = jid_bare(stanza.attr.to); |
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481 local username = jid_split(stanza.attr.to); |
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482 if is_self then |
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483 username = origin.username; |
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484 user_bare = jid_join(username, host); |
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485 end |
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486 local service = get_pep_service(username); |
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487 |
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488 local ok, ret = service:get_nodes(jid_bare(stanza.attr.from)); |
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489 if not ok then return; end |
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490 |
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491 for node, node_obj in pairs(ret) do |
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492 reply:tag("item", { jid = user_bare, node = node, name = node_obj.config.title }):up(); |
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493 end |
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494 end); |
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495 |
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496 module:hook_global("user-deleted", function(event) |
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497 if event.host ~= host then return end |
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498 local username = event.username; |
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499 local service = services[username]; |
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500 if not service then return end |
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501 for node in pairs(service.nodes) do service:delete(node, true); end |
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502 |
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503 local item = pep_service_items[username]; |
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504 pep_service_items[username] = nil; |
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505 if item then module:remove_item("pep-service", item); end |
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506 |
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507 recipients[username] = nil; |
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508 end); |
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509 |