Mercurial > prosody-modules
annotate mod_profile/mod_profile.lua @ 3230:ba0d444b64aa
mod_bookmarks: Simplify last item retrieval thanks to Prosody b6ffd4f951b9.
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Sat, 18 Aug 2018 14:04:40 +0100 |
parents | e55172ce68d4 |
children | 1d57f485efef |
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1 -- mod_profile |
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2 -- Copyright (C) 2014-2018 Kim Alvefur |
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3 -- |
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4 -- This file is MIT licensed. |
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5 |
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6 local st = require"util.stanza"; |
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7 local jid_split = require"util.jid".split; |
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8 local jid_bare = require"util.jid".bare; |
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9 local is_admin = require"core.usermanager".is_admin; |
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10 local vcard = require"util.vcard"; |
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11 local base64 = require"util.encodings".base64; |
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12 local sha1 = require"util.hashes".sha1; |
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13 local t_insert, t_remove = table.insert, table.remove; |
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14 |
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15 local pep_plus; |
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16 if module:get_host_type() == "local" and module:get_option_boolean("vcard_to_pep", true) then |
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17 pep_plus = module:depends"pep"; |
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18 assert(pep_plus.get_pep_service, "Wrong version of mod_pep loaded, you need to update Prosody"); |
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19 end |
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20 |
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21 local storage = module:open_store(); |
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22 local legacy_storage = module:open_store("vcard"); |
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23 |
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24 module:hook("account-disco-info", function (event) |
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25 event.reply:tag("feature", { var = "urn:xmpp:pep-vcard-conversion:0" }):up(); |
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26 end); |
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27 |
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28 local function get_item(vcard, name) -- luacheck: ignore 431 |
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29 local item; |
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30 for i=1, #vcard do |
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31 item=vcard[i]; |
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32 if item.name == name then |
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33 return item, i; |
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34 end |
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35 end |
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36 end |
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37 |
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38 local magic_mime = { |
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39 ["\137PNG\r\n\026\n"] = "image/png"; |
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40 ["\255\216"] = "image/jpeg"; |
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41 ["GIF87a"] = "image/gif"; |
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42 ["GIF89a"] = "image/gif"; |
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43 ["<?xml"] = "image/svg+xml"; |
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44 } |
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45 local function identify(data) |
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46 for magic, mime in pairs(magic_mime) do |
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47 if data:sub(1, #magic) == magic then |
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48 return mime; |
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49 end |
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50 end |
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51 return "application/octet-stream"; |
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52 end |
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53 |
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54 local function item_container(id, payload) |
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55 return id, st.stanza("item", { id = "current", xmlns = "http://jabber.org/protocol/pubsub"; }) |
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56 :add_child(payload); |
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57 end |
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58 |
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59 local function update_pep(username, data, pep) |
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60 pep = pep or pep_plus.get_pep_service(username); |
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61 local photo, p = get_item(data, "PHOTO"); |
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62 if vcard.to_vcard4 then |
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63 if p then t_remove(data, p); end |
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64 pep:publish("urn:xmpp:vcard4", true, item_container("current", vcard.to_vcard4(data))); |
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65 if p then t_insert(data, p, photo); end |
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66 end |
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67 |
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68 local nickname = get_item(data, "NICKNAME"); |
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69 if nickname and nickname[1] then |
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70 pep:publish("http://jabber.org/protocol/nick", true, item_container("current", |
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71 st.stanza("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname[1]))); |
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72 end |
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73 |
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74 if photo and photo[1] then |
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75 local photo_raw = base64.decode(photo[1]); |
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76 local photo_hash = sha1(photo_raw, true); |
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77 |
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78 pep:publish("urn:xmpp:avatar:metadata", true, item_container(photo_hash, |
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79 st.stanza("metadata", { xmlns="urn:xmpp:avatar:metadata" }) |
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80 :tag("info", { |
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81 bytes = tostring(#photo_raw), |
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82 id = photo_hash, |
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83 type = identify(photo_raw), |
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84 }))); |
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85 pep:publish("urn:xmpp:avatar:data", true, item_container(photo_hash, |
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86 st.stanza("data", { xmlns="urn:xmpp:avatar:data" }):text(photo[1]))); |
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87 end |
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88 end |
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89 |
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90 -- The "temporary" vCard XEP-0054 part |
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91 module:add_feature("vcard-temp"); |
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92 |
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93 local function handle_get(event) |
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94 local origin, stanza = event.origin, event.stanza; |
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95 local username = origin.username; |
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96 local to = stanza.attr.to; |
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97 if to then username = jid_split(to); end |
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98 local data, err = storage:get(username); |
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99 if not data then |
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100 if err then |
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101 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err)); |
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102 return true; |
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103 end |
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104 data = legacy_storage:get(username); |
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105 data = data and st.deserialize(data); |
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106 if data then |
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107 origin.send(st.reply(stanza):add_child(data)); |
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108 return true; |
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109 end |
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110 end |
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111 if not data then |
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112 origin.send(st.error_reply(stanza, "cancel", "item-not-found")); |
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113 return true; |
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114 end |
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115 origin.send(st.reply(stanza):add_child(vcard.to_xep54(data))); |
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116 return true; |
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117 end |
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118 |
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119 local function handle_set(event) |
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120 local origin, stanza = event.origin, event.stanza; |
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121 local data = vcard.from_xep54(stanza.tags[1]); |
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122 local username = origin.username; |
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123 local to = stanza.attr.to; |
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124 if to then |
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125 if not is_admin(jid_bare(stanza.attr.from), module.host) then |
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126 origin.send(st.error_reply(stanza, "auth", "forbidden")); |
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127 return true; |
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128 end |
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129 username = jid_split(to); |
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130 end |
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131 local ok, err = storage:set(username, data); |
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132 if not ok then |
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133 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err)); |
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134 return true; |
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135 end |
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136 |
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137 if pep_plus and username then |
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138 update_pep(username, data); |
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139 end |
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140 |
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141 origin.send(st.reply(stanza)); |
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142 return true; |
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143 end |
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144 |
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145 module:hook("iq-get/bare/vcard-temp:vCard", handle_get); |
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146 module:hook("iq-get/host/vcard-temp:vCard", handle_get); |
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147 |
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148 module:hook("iq-set/bare/vcard-temp:vCard", handle_set); |
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149 module:hook("iq-set/host/vcard-temp:vCard", handle_set); |
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150 |
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151 local function on_publish(event) |
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152 if event.actor == true then return end -- Not from a client |
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153 local node, item = event.node, event.item; |
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154 local username, host = jid_split(event.actor); |
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155 if host ~= module.host then |
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156 module:log("warn", "on_publish() called for non-local actor"); |
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157 for k,v in pairs(event) do |
3184 | 158 module:log("debug", "event[%q] = %q", k, v); |
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159 end |
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160 return; |
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161 end |
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162 local data = storage:get(username) or {}; |
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163 if node == "urn:xmpp:avatar:data" then |
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164 local new_photo = item:get_child_text("data", "urn:xmpp:avatar:data"); |
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165 new_photo = new_photo and { name = "PHOTO"; ENCODING = { "b" }; new_photo } or nil; |
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166 local _, i = get_item(data, "PHOTO") |
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167 if new_photo then |
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168 data[i or #data+1] = new_photo; |
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169 elseif i then |
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170 table.remove(data, i); |
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171 end |
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172 elseif node == "http://jabber.org/protocol/nick" then |
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173 local new_nick = item:get_child_text("nick", "http://jabber.org/protocol/nick"); |
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174 new_nick = new_nick and new_nick ~= "" and { name = "NICKNAME"; new_nick } or nil; |
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175 local _, i = get_item(data, "NICKNAME") |
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176 if new_nick then |
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177 data[i or #data+1] = new_nick; |
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178 elseif i then |
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179 table.remove(data, i); |
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180 end |
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181 else |
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182 return; |
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183 end |
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184 storage:set(username, data); |
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185 end |
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186 |
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187 local function pep_service_added(event) |
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188 local item = event.item; |
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189 local service, username = item.service, jid_split(item.jid); |
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190 service.events.add_handler("item-published", on_publish); |
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191 local data = storage:get(username); |
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192 if data then |
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193 update_pep(username, data, service); |
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194 end |
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195 end |
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196 |
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197 local function pep_service_removed() |
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198 -- This would happen when mod_pep_plus gets unloaded, but this module gets unloaded before that |
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199 end |
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200 |
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201 function module.load() |
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202 module:handle_items("pep-service", pep_service_added, pep_service_removed, true); |
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203 end |
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204 |
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205 -- The vCard4 part |
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206 if vcard.to_vcard4 then |
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207 module:add_feature("urn:ietf:params:xml:ns:vcard-4.0"); |
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208 |
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209 module:hook("iq-get/bare/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event) |
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|
210 local origin, stanza = event.origin, event.stanza; |
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211 local username = jid_split(stanza.attr.to) or origin.username; |
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212 local data = storage:get(username); |
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213 if not data then |
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214 origin.send(st.error_reply(stanza, "cancel", "item-not-found")); |
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215 return true; |
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216 end |
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217 origin.send(st.reply(stanza):add_child(vcard.to_vcard4(data))); |
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218 return true; |
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219 end); |
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220 |
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221 if vcard.from_vcard4 then |
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222 module:hook("iq-set/self/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event) |
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223 local origin, stanza = event.origin, event.stanza; |
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224 local ok, err = storage:set(origin.username, vcard.from_vcard4(stanza.tags[1])); |
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225 if not ok then |
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226 origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err)); |
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227 return true; |
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228 end |
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229 origin.send(st.reply(stanza)); |
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230 return true; |
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231 end); |
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232 else |
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233 module:hook("iq-set/self/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event) |
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234 local origin, stanza = event.origin, event.stanza; |
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235 origin.send(st.error_reply(stanza, "cancel", "feature-not-implemented")); |
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236 return true; |
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237 end); |
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238 end |
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239 end |
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240 |
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241 local function inject_xep153(event) |
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242 local origin, stanza = event.origin, event.stanza; |
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243 local username = origin.username; |
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244 if not username then return end |
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245 local pep = pep_plus.get_pep_service(username); |
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246 |
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247 stanza:remove_children("x", "vcard-temp:x:update"); |
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248 local x_update = st.stanza("x", { xmlns = "vcard-temp:x:update" }); |
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249 local ok, avatar_hash = pep:get_items("urn:xmpp:avatar:metadata", true); |
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250 if ok and avatar_hash[1] then |
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251 x_update:text_tag("photo", avatar_hash[1]); |
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252 end |
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253 stanza:add_direct_child(x_update); |
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254 end |
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255 |
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256 if pep_plus then |
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257 module:hook("pre-presence/full", inject_xep153, 1) |
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258 module:hook("pre-presence/bare", inject_xep153, 1) |
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259 module:hook("pre-presence/host", inject_xep153, 1) |
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260 end |