--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_pep_vcard_avatar/mod_pep_vcard_avatar.lua Sun Jan 18 01:21:53 2015 +0100
@@ -0,0 +1,133 @@
+-- Prosody IM
+-- Copyright (C) 2008-2014 Matthew Wild
+-- Copyright (C) 2008-2014 Waqas Hussain
+-- Copyright (C) 2014 Kim Alvefur
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local st = require "util.stanza"
+local base64 = require"util.encodings".base64;
+local sha1 = require"util.hashes".sha1;
+
+local mod_pep = module:depends"pep";
+local pep_data = mod_pep.module.save().data;
+
+module:add_feature("http://prosody.im/protocol/vcard-pep-integration");
+module:depends"vcard";
+local vcard_storage = module:open_store("vcard");
+
+local function get_vcard(username)
+ local vcard, err = vcard_storage:get(username);
+ if vcard then
+ vcard = st.deserialize(vcard);
+ end
+ if not vcard then
+ vcard = st.stanza("vCard", { xmlns = "vcard-temp" });
+ end
+ return vcard, err;
+end
+
+local function set_vcard(username, vcard)
+ if vcard then
+ vcard = st.preserialize(st.clone(vcard));
+ end
+ return vcard_storage:set(username, vcard);
+end
+
+local function publish(session, node, id, item)
+ return module:fire_event("pep-publish-item", {
+ actor = true, session = session, node = node, id = id, item = item;
+ });
+end
+
+-- vCard -> PEP
+local function update_pep(session, vcard)
+ local nickname = vcard and vcard:get_child_text("NICKNAME");
+ if nickname then
+ publish(session, "http://jabber.org/protocol/nick", "current", st.stanza("item", {id="current"})
+ :tag("nick", { xmlns="http://jabber.org/protocol/nick" }):text(nickname));
+ end
+
+ local photo = vcard and vcard:get_child("PHOTO");
+ if photo then
+ local photo_type = photo:get_child_text("TYPE");
+ local photo_b64 = photo:get_child_text("BINVAL");
+ local photo_raw = photo_b64 and base64.decode(photo_b64);
+ if photo_raw and photo_type then -- Else invalid data or encoding
+ local photo_hash = sha1(photo_raw, true);
+
+ publish(session, "urn:xmpp:avatar:data", photo_hash, st.stanza("item", {id=photo_hash})
+ :tag("data", { xmlns="urn:xmpp:avatar:data" }):text(photo_b64));
+ publish(session, "urn:xmpp:avatar:metadata", photo_hash, st.stanza("item", {id=photo_hash})
+ :tag("metadata", { xmlns="urn:xmpp:avatar:metadata" })
+ :tag("info", { id = photo_hash, bytes = tostring(#photo_raw), type = photo_type,}));
+ end
+ end
+end
+
+local function handle_vcard(event)
+ local session, stanza = event.origin, event.stanza;
+ if not stanza.attr.to and stanza.attr.type == "set" then
+ return update_pep(session, stanza:get_child("vCard", "vcard-temp"));
+ end
+end
+
+module:hook("iq/bare/vcard-temp:vCard", handle_vcard, 1);
+
+-- PEP Avatar -> vCard
+local function on_publish_metadata(event)
+ local username = event.session.username;
+ local metadata = event.item:find("{urn:xmpp:avatar:metadata}metadata/info");
+ if not metadata then
+ module:log("error", "No info found");
+ module:log("debug", event.item:top_tag());
+ return;
+ end
+ module:log("debug", metadata:top_tag());
+ local user_data = pep_data[username.."@"..module.host];
+ local pep_photo = user_data["urn:xmpp:avatar:data"];
+ pep_photo = pep_photo and pep_photo[1] == metadata.attr.id and pep_photo[2];
+ if not pep_photo then
+ module:log("error", "No photo found");
+ return;
+ end -- Publishing in the wrong order?
+ local vcard = get_vcard(username);
+ local old_photo = vcard:get_child("PHOTO");
+ if old_photo then
+ local photo_type = old_photo:get_child("TYPE");
+ photo_type[1] = metadata.attr.type;
+ local photo_b64 = old_photo:get_child("BINVAL");
+ photo_b64[1] = pep_photo:get_child_text("data", "urn:xmpp:avatar:data");
+ end
+ set_vcard(username, vcard);
+end
+
+-- PEP Nickname -> vCard
+local function on_publish_nick(event)
+ local username = event.session.username;
+ local vcard = get_vcard(username);
+ local new_nick = event.item:get_child_text("nick", "http://jabber.org/protocol/nick");
+ local old_nick = vcard:get_child("NICKNAME");
+ if not old_nick then
+ vcard:tag("NICKNAME"):text(new_nick);
+ elseif old_nick[1] ~= new_nick then
+ old_nick[1] = new_nick;
+ else
+ return -- no change
+ end
+ set_vcard(username, vcard);
+end
+
+local function on_publish(event)
+ if event.actor == true then return end -- Not from a client
+ local node = event.node;
+ if node == "urn:xmpp:avatar:metadata" then
+ return on_publish_metadata(event);
+ elseif node == "http://jabber.org/protocol/nick" then
+ return on_publish_nick(event);
+ end
+end
+
+module:hook("pep-publish-item", on_publish, 1);