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annotate mod_pep_vcard_avatar/mod_pep_vcard_avatar.lua @ 2149:d9e91240a2dd

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mod_pep_vcard_avatar: Return early if no vcard is given
author Kim Alvefur <zash@zash.se>
date Sun, 03 Apr 2016 00:19:11 +0200
parents 21e439ca7208
children c1ecc3bc88fa
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1591
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Prosody IM
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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2 -- Copyright (C) 2008-2014 Matthew Wild
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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3 -- Copyright (C) 2008-2014 Waqas Hussain
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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4 -- Copyright (C) 2014 Kim Alvefur
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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5 --
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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6 -- This project is MIT/X11 licensed. Please see the
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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7 -- COPYING file in the source package for more information.
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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8 --
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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9
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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10 local st = require "util.stanza"
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Kim Alvefur <zash@zash.se>
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11 local base64 = require"util.encodings".base64;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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12 local sha1 = require"util.hashes".sha1;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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13
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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14 local mod_pep = module:depends"pep";
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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15 local pep_data = mod_pep.module.save().data;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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16
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Kim Alvefur <zash@zash.se>
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17 module:add_feature("http://prosody.im/protocol/vcard-pep-integration");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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18 module:depends"vcard";
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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19 local vcard_storage = module:open_store("vcard");
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20
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21 local function get_vcard(username)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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22 local vcard, err = vcard_storage:get(username);
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23 if vcard then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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24 vcard = st.deserialize(vcard);
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25 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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26 if not vcard then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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27 vcard = st.stanza("vCard", { xmlns = "vcard-temp" });
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28 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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29 return vcard, err;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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30 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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31
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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32 local function set_vcard(username, vcard)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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33 if vcard then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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34 vcard = st.preserialize(st.clone(vcard));
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35 end
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36 return vcard_storage:set(username, vcard);
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37 end
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38
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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39 local function publish(session, node, id, item)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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40 return module:fire_event("pep-publish-item", {
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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41 actor = true, session = session, node = node, id = id, item = item;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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42 });
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43 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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44
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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45 -- vCard -> PEP
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 local function update_pep(session, vcard)
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d9e91240a2dd mod_pep_vcard_avatar: Return early if no vcard is given
Kim Alvefur <zash@zash.se>
parents: 1591
diff changeset
47 if not vcard then return end
d9e91240a2dd mod_pep_vcard_avatar: Return early if no vcard is given
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parents: 1591
diff changeset
48 local nickname = vcard:get_child_text("NICKNAME");
1591
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49 if nickname then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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50 publish(session, "http://jabber.org/protocol/nick", "current", st.stanza("item", {id="current"})
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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51 :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname));
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52 end
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53
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d9e91240a2dd mod_pep_vcard_avatar: Return early if no vcard is given
Kim Alvefur <zash@zash.se>
parents: 1591
diff changeset
54 local photo = vcard:get_child("PHOTO");
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55 if photo then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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56 local photo_type = photo:get_child_text("TYPE");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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57 local photo_b64 = photo:get_child_text("BINVAL");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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58 local photo_raw = photo_b64 and base64.decode(photo_b64);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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59 if photo_raw and photo_type then -- Else invalid data or encoding
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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60 local photo_hash = sha1(photo_raw, true);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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parents:
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61
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 publish(session, "urn:xmpp:avatar:data", photo_hash, st.stanza("item", {id=photo_hash})
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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63 :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo_b64));
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 publish(session, "urn:xmpp:avatar:metadata", photo_hash, st.stanza("item", {id=photo_hash})
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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65 :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" })
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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66 :tag("info", { id = photo_hash, bytes = tostring(#photo_raw), type = photo_type,}));
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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67 end
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68 end
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69 end
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70
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Kim Alvefur <zash@zash.se>
parents:
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71 local function handle_vcard(event)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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72 local session, stanza = event.origin, event.stanza;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 if not stanza.attr.to and stanza.attr.type == "set" then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 return update_pep(session, stanza:get_child("vCard", "vcard-temp"));
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75 end
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76 end
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77
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Kim Alvefur <zash@zash.se>
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78 module:hook("iq/bare/vcard-temp:vCard", handle_vcard, 1);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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79
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Kim Alvefur <zash@zash.se>
parents:
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80 -- PEP Avatar -> vCard
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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81 local function on_publish_metadata(event)
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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82 local username = event.session.username;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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83 local metadata = event.item:find("{urn:xmpp:avatar:metadata}metadata/info");
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Kim Alvefur <zash@zash.se>
parents:
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84 if not metadata then
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Kim Alvefur <zash@zash.se>
parents:
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85 module:log("error", "No info found");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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86 module:log("debug", event.item:top_tag());
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 return;
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Kim Alvefur <zash@zash.se>
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88 end
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Kim Alvefur <zash@zash.se>
parents:
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89 module:log("debug", metadata:top_tag());
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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90 local user_data = pep_data[username.."@"..module.host];
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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91 local pep_photo = user_data["urn:xmpp:avatar:data"];
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 pep_photo = pep_photo and pep_photo[1] == metadata.attr.id and pep_photo[2];
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 if not pep_photo then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 module:log("error", "No photo found");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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95 return;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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96 end -- Publishing in the wrong order?
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Kim Alvefur <zash@zash.se>
parents:
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97 local vcard = get_vcard(username);
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Kim Alvefur <zash@zash.se>
parents:
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98 local old_photo = vcard:get_child("PHOTO");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 if old_photo then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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100 local photo_type = old_photo:get_child("TYPE");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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101 photo_type[1] = metadata.attr.type;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
102 local photo_b64 = old_photo:get_child("BINVAL");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
diff changeset
103 photo_b64[1] = pep_photo:get_child_text("data", "urn:xmpp:avatar:data");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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104 end
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Kim Alvefur <zash@zash.se>
parents:
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105 set_vcard(username, vcard);
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Kim Alvefur <zash@zash.se>
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106 end
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107
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parents:
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108 -- PEP Nickname -> vCard
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Kim Alvefur <zash@zash.se>
parents:
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109 local function on_publish_nick(event)
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Kim Alvefur <zash@zash.se>
parents:
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110 local username = event.session.username;
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Kim Alvefur <zash@zash.se>
parents:
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111 local vcard = get_vcard(username);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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112 local new_nick = event.item:get_child_text("nick", "http://jabber.org/protocol/nick");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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113 local old_nick = vcard:get_child("NICKNAME");
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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114 if not old_nick then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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115 vcard:tag("NICKNAME"):text(new_nick);
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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116 elseif old_nick[1] ~= new_nick then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
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117 old_nick[1] = new_nick;
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
Kim Alvefur <zash@zash.se>
parents:
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118 else
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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119 return -- no change
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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120 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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121 set_vcard(username, vcard);
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122 end
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123
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124 local function on_publish(event)
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125 if event.actor == true then return end -- Not from a client
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126 local node = event.node;
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127 if node == "urn:xmpp:avatar:metadata" then
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128 return on_publish_metadata(event);
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129 elseif node == "http://jabber.org/protocol/nick" then
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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130 return on_publish_nick(event);
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131 end
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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parents:
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132 end
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parents:
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133
21e439ca7208 mod_pep_vcard_avatar: Syncs avatars between PEP and vCard
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134 module:hook("pep-publish-item", on_publish, 1);