-- 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);