Mercurial > prosody-modules
annotate mod_pep_vcard_avatar/mod_pep_vcard_avatar.lua @ 2418:ef95853cf900
mod_firewall: More semicolons
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 16 Dec 2016 03:30:46 +0100 |
parents | 724809023c92 |
children | 933049a60ce6 |
rev | line source |
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mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2014 Matthew Wild |
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3 -- Copyright (C) 2008-2014 Waqas Hussain |
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4 -- Copyright (C) 2014 Kim Alvefur |
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5 -- |
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6 -- This project is MIT/X11 licensed. Please see the |
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7 -- COPYING file in the source package for more information. |
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8 -- |
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9 |
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10 local st = require "util.stanza" |
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11 local jid = require "util.jid"; |
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12 local base64 = require"util.encodings".base64; |
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13 local sha1 = require"util.hashes".sha1; |
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14 |
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15 local mod_pep = module:depends"pep"; |
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16 local pep_data = mod_pep.module.save().data; |
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17 |
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18 module:add_feature("http://prosody.im/protocol/vcard-pep-integration"); |
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19 module:depends"vcard"; |
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20 local vcard_storage = module:open_store("vcard"); |
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21 |
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22 local function get_vcard(username) |
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23 local vcard, err = vcard_storage:get(username); |
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24 if vcard then |
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25 vcard = st.deserialize(vcard); |
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26 end |
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27 if not vcard then |
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28 vcard = st.stanza("vCard", { xmlns = "vcard-temp" }); |
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29 end |
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30 return vcard, err; |
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31 end |
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32 |
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33 local function replace_tag(s, replacement) |
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34 local once = false; |
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35 s:maptags(function (tag) |
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36 if tag.name == replacement.name and tag.attr.xmlns == replacement.attr.xmlns then |
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37 if not once then |
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38 once = true; |
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39 return replacement; |
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40 else |
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41 return nil; |
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42 end |
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43 end |
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44 return tag; |
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45 end); |
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46 if not once then |
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47 s:add_child(replacement); |
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48 end |
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49 end |
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50 |
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51 local function set_vcard(username, vcard) |
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52 if vcard then |
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53 vcard = st.preserialize(st.clone(vcard)); |
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54 end |
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55 return vcard_storage:set(username, vcard); |
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56 end |
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57 |
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58 local function publish(session, node, id, item) |
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59 return module:fire_event("pep-publish-item", { |
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60 actor = true, user = jid.bare(session.full_jid), session = session, node = node, id = id, item = item; |
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61 }); |
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62 end |
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63 |
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64 -- vCard -> PEP |
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65 local function update_pep(session, vcard) |
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66 if not vcard then return end |
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67 local nickname = vcard:get_child_text("NICKNAME"); |
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68 if nickname then |
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69 publish(session, "http://jabber.org/protocol/nick", "current", st.stanza("item", {id="current"}) |
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70 :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname)); |
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71 end |
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72 |
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73 local photo = vcard:get_child("PHOTO"); |
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74 if photo then |
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75 local photo_type = photo:get_child_text("TYPE"); |
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76 local photo_b64 = photo:get_child_text("BINVAL"); |
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77 local photo_raw = photo_b64 and base64.decode(photo_b64); |
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78 if photo_raw and photo_type then -- Else invalid data or encoding |
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79 local photo_hash = sha1(photo_raw, true); |
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80 |
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81 publish(session, "urn:xmpp:avatar:data", photo_hash, st.stanza("item", {id=photo_hash}) |
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82 :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo_b64)); |
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83 publish(session, "urn:xmpp:avatar:metadata", photo_hash, st.stanza("item", {id=photo_hash}) |
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84 :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" }) |
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85 :tag("info", { id = photo_hash, bytes = tostring(#photo_raw), type = photo_type,})); |
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86 end |
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87 end |
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88 end |
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89 |
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90 local function handle_vcard(event) |
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91 local session, stanza = event.origin, event.stanza; |
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92 if not stanza.attr.to and stanza.attr.type == "set" then |
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93 return update_pep(session, stanza:get_child("vCard", "vcard-temp")); |
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94 end |
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95 end |
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96 |
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97 module:hook("iq/bare/vcard-temp:vCard", handle_vcard, 1); |
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98 |
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99 -- PEP Avatar -> vCard |
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100 local function on_publish_metadata(event) |
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101 local username = event.session.username; |
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102 local metadata = event.item:find("{urn:xmpp:avatar:metadata}metadata/info"); |
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103 if not metadata then |
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104 module:log("error", "No info found"); |
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105 module:log("debug", event.item:top_tag()); |
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106 return; |
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107 end |
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108 module:log("debug", metadata:top_tag()); |
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109 local user_data = pep_data[username.."@"..module.host]; |
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110 local pep_photo = user_data["urn:xmpp:avatar:data"]; |
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111 pep_photo = pep_photo and pep_photo[1] == metadata.attr.id and pep_photo[2]; |
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112 if not pep_photo then |
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113 module:log("error", "No photo found"); |
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114 return; |
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115 end -- Publishing in the wrong order? |
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116 local vcard = get_vcard(username); |
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117 local new_photo = st.stanza("PHOTO", { xmlns = "vcard-temp" }) |
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118 :tag("TYPE"):text(metadata.attr.type):up() |
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119 :tag("BINVAL"):text(pep_photo:get_child_text("data", "urn:xmpp:avatar:data")); |
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120 |
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121 replace_tag(vcard, new_photo); |
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122 set_vcard(username, vcard); |
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123 end |
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124 |
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125 -- PEP Nickname -> vCard |
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126 local function on_publish_nick(event) |
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127 local username = event.session.username; |
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128 local vcard = get_vcard(username); |
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129 local new_nick = st.stanza("NICKNAME", { xmlns = "vcard-temp" }) |
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130 :text(event.item:get_child_text("nick", "http://jabber.org/protocol/nick")); |
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131 replace_tag(vcard, new_nick); |
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132 set_vcard(username, vcard); |
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133 end |
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134 |
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135 local function on_publish(event) |
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136 if event.actor == true then return end -- Not from a client |
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137 local node = event.node; |
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138 if node == "urn:xmpp:avatar:metadata" then |
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139 return on_publish_metadata(event); |
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140 elseif node == "http://jabber.org/protocol/nick" then |
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141 return on_publish_nick(event); |
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142 end |
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143 end |
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144 |
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145 module:hook("pep-publish-item", on_publish, 1); |