prosody-modules
4852fc446d26
mod_profile/mod_profile.lua

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mod_profile/mod_profile.lua @ 1423:4852fc446d26

mod_profile: Use the item id "current" as recomended in the Singleton Nodes section of XEP-0060
author Kim Alvefur <zash@zash.se>
date Fri, 30 May 2014 14:57:34 +0200
parent 1422:c3882787ae06
child 1424:9892a537e7fc
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877dc87539ff mod_profile: Replacement for mod_vcard with vcard4 support and integration with mod_pep_plus
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1 -- mod_profile
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2
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3 local st = require"util.stanza";
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4 local jid_split, jid_bare = import("util.jid", "split", "bare");
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5 local is_admin = require"core.usermanager".is_admin;
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6 local vcard = require"util.vcard";
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7 local base64 = require"util.encodings".base64;
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8 local sha1 = require"util.hashes".sha1;
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9
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10 local pep_plus;
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11 if module:get_host_type() == "local" and module:get_option_boolean("vcard_to_pep", true) then
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12 pep_plus = module:depends"pep_plus";
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13 end
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14
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15 local storage = module:open_store();
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16 local legacy_storage = module:open_store("vcard");
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17
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18 local function get_item(vcard, name)
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19 local item;
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20 for i=1, #vcard do
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21 item=vcard[i];
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22 if item.name == name then
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23 return item, i;
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24 end
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25 end
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26 end
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27
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28 local magic_mime = {
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29 ["\137PNG\r\n\026\n"] = "image/png";
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30 ["\255\216"] = "image/jpeg";
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31 ["GIF87a"] = "image/gif";
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32 ["GIF89a"] = "image/gif";
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33 ["<?xml"] = "image/svg+xml";
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34 }
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35 local function identify(data)
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36 for magic, mime in pairs(magic_mime) do
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37 if data:sub(1, #magic) == magic then
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38 return mime;
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39 end
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40 end
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41 return "application/octet-stream";
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42 end
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43
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44 local function update_pep(username, data)
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45 local pep = pep_plus.get_pep_service(username.."@"..module.host);
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46 if vcard.to_vcard4 then
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47 pep:purge("urn:xmpp:vcard4", true);
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48 pep:publish("urn:xmpp:vcard4", true, "current", st.stanza("item"):add_child(vcard.to_vcard4(data)));
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49 end
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50
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51 local nickname = get_item(data, "NICKNAME");
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52 if nickname and nickname[1] then
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53 pep:purge("http://jabber.org/protocol/nick", true);
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4852fc446d26 mod_profile: Use the item id "current" as recomended in the Singleton Nodes section of XEP-0060
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54 pep:publish("http://jabber.org/protocol/nick", true, "current", st.stanza("item")
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55 :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname[1]));
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56 end
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57
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58 local photo = get_item(data, "PHOTO");
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59 if photo and photo[1] then
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60 local photo_raw = base64.decode(photo[1]);
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61 local photo_hash = sha1(photo_raw, true);
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62
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63 pep:purge("urn:xmpp:avatar:metadata", true);
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64 pep:purge("urn:xmpp:avatar:data", true);
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65 pep:publish("urn:xmpp:avatar:metadata", true, "current", st.stanza("item")
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66 :tag("metadata", {
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67 xmlns="urn:xmpp:avatar:metadata",
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68 bytes = tostring(#photo_raw),
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69 id = photo_hash,
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70 type = identify(photo_raw),
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71 }));
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72 pep:publish("urn:xmpp:avatar:data", true, photo_hash, st.stanza("item")
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73 :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo[1]));
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74 end
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75 end
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76
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77 -- The "temporary" vCard XEP-0054 part
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78 module:add_feature("vcard-temp");
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79
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80 local function handle_get(event)
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81 local origin, stanza = event.origin, event.stanza;
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82 local username = origin.username;
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83 local to = stanza.attr.to;
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84 if to then username = jid_split(to); end
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85 local data = storage:get(username);
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86 if not data then
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87 data = legacy_storage:get(username);
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88 data = data and st.deserialize(data);
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89 end
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90 if not data then
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91 return origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
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92 end
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93 return origin.send(st.reply(stanza):add_child(vcard.to_xep54(data)));
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94 end
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95
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96 local function handle_set(event)
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97 local origin, stanza = event.origin, event.stanza;
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98 local data = vcard.from_xep54(stanza.tags[1]);
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99 local username = origin.username;
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100 local to = stanza.attr.to;
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101 if to then
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102 if not is_admin(jid_bare(stanza.attr.from), module.host) then
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103 return origin.send(st.error_reply(stanza, "auth", "forbidden"));
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104 end
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105 username = jid_split(to);
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106 end
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107 local ok, err = storage:set(username, data);
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108 if not ok then
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109 return origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err));
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110 end
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111
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112 if pep_plus and username then
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113 update_pep(username, data);
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114 end
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115
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116 return origin.send(st.reply(stanza));
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117 end
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118
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119 module:hook("iq-get/bare/vcard-temp:vCard", handle_get);
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120 module:hook("iq-get/host/vcard-temp:vCard", handle_get);
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121
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122 module:hook("iq-set/bare/vcard-temp:vCard", handle_set);
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123 module:hook("iq-set/host/vcard-temp:vCard", handle_set);
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124
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125 -- The vCard4 part
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126 if vcard.to_vcard4 then
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127 module:add_feature("urn:ietf:params:xml:ns:vcard-4.0");
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128
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129 module:hook("iq-get/bare/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event)
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130 local origin, stanza = event.origin, event.stanza;
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131 local username = jid_split(stanza.attr.to) or origin.username;
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132 local data = storage:get(username);
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133 if not data then
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134 return origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
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135 end
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136 return origin.send(st.reply(stanza):add_child(vcard.to_vcard4(data)));
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137 end);
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138
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139 if vcard.from_vcard4 then
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140 module:hook("iq-set/self/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event)
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141 local origin, stanza = event.origin, event.stanza;
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142 local ok, err = storage:set(origin.username, vcard.from_vcard4(stanza.tags[1]));
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143 if not ok then
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144 return origin.send(st.error_reply(stanza, "cancel", "internal-server-error", err));
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145 end
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146 return origin.send(st.reply(stanza));
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147 end);
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148 else
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149 module:hook("iq-set/self/urn:ietf:params:xml:ns:vcard-4.0:vcard", function(event)
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parents:
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150 local origin, stanza = event.origin, event.stanza;
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parents:
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151 return origin.send(st.error_reply(stanza, "cancel", "feature-not-implemented"));
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parents:
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152 end);
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Kim Alvefur <zash@zash.se>
parents:
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153 end
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Kim Alvefur <zash@zash.se>
parents:
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154 end
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Kim Alvefur <zash@zash.se>
parents:
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155