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plugins/mod_roster.lua @ 2003:b7429073f73f
mod_vcard: Removed stream feature.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Sun, 18 Oct 2009 07:33:24 +0500 |
parent | 1668:a276d379e00a |
child | 2227:1888368c58c5 |
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-- Prosody IM -- Copyright (C) 2008-2009 Matthew Wild -- Copyright (C) 2008-2009 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local st = require "util.stanza" local jid_split = require "util.jid".split; local jid_prep = require "util.jid".prep; local t_concat = table.concat; local tostring = tostring; local rm_remove_from_roster = require "core.rostermanager".remove_from_roster; local rm_add_to_roster = require "core.rostermanager".add_to_roster; local rm_roster_push = require "core.rostermanager".roster_push; local core_post_stanza = core_post_stanza; module:add_feature("jabber:iq:roster"); local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"}):tag("optional"):up(); module:add_event_hook("stream-features", function (session, features) if session.username then features:add_child(rosterver_stream_feature); end end); module:add_iq_handler("c2s", "jabber:iq:roster", function (session, stanza) if stanza.tags[1].name == "query" then if stanza.attr.type == "get" then local roster = st.reply(stanza); local ver = stanza.tags[1].attr.ver if (not ver) or tonumber(ver) ~= (session.roster[false].version or 1) then roster:query("jabber:iq:roster"); -- Client does not support versioning, or has stale roster for jid in pairs(session.roster) do if jid ~= "pending" and jid then roster:tag("item", { jid = jid, subscription = session.roster[jid].subscription, ask = session.roster[jid].ask, name = session.roster[jid].name, }); for group in pairs(session.roster[jid].groups) do roster:tag("group"):text(group):up(); end roster:up(); -- move out from item end end roster.tags[1].attr.ver = tostring(session.roster[false].version or "1"); end session.send(roster); session.interested = true; -- resource is interested in roster updates return true; elseif stanza.attr.type == "set" then local query = stanza.tags[1]; if #query.tags == 1 and query.tags[1].name == "item" and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid -- Protection against overwriting roster.pending, until we move it and query.tags[1].attr.jid ~= "pending" then local item = query.tags[1]; local from_node, from_host = jid_split(stanza.attr.from); local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID local jid = jid_prep(item.attr.jid); local node, host, resource = jid_split(jid); if not resource and host then if jid ~= from_node.."@"..from_host then if item.attr.subscription == "remove" then local r_item = session.roster[jid]; if r_item then local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, jid); if success then session.send(st.reply(stanza)); rm_roster_push(from_node, from_host, jid); local to_bare = node and (node.."@"..host) or host; -- bare JID if r_item.subscription == "both" or r_item.subscription == "from" then core_post_stanza(session, st.presence({type="unsubscribed", from=session.full_jid, to=to_bare})); elseif r_item.subscription == "both" or r_item.subscription == "to" then core_post_stanza(session, st.presence({type="unsubscribe", from=session.full_jid, to=to_bare})); end else session.send(st.error_reply(stanza, err_type, err_cond, err_msg)); end else session.send(st.error_reply(stanza, "modify", "item-not-found")); end else local r_item = {name = item.attr.name, groups = {}}; if r_item.name == "" then r_item.name = nil; end if session.roster[jid] then r_item.subscription = session.roster[jid].subscription; r_item.ask = session.roster[jid].ask; else r_item.subscription = "none"; end for _, child in ipairs(item) do if child.name == "group" then local text = t_concat(child); if text and text ~= "" then r_item.groups[text] = true; end end end local success, err_type, err_cond, err_msg = rm_add_to_roster(session, jid, r_item); if success then -- Ok, send success session.send(st.reply(stanza)); -- and push change to all resources rm_roster_push(from_node, from_host, jid); else -- Adding to roster failed session.send(st.error_reply(stanza, err_type, err_cond, err_msg)); end end else -- Trying to add self to roster session.send(st.error_reply(stanza, "cancel", "not-allowed")); end else -- Invalid JID added to roster session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error? end else -- Roster set didn't include a single item, or its name wasn't 'item' session.send(st.error_reply(stanza, "modify", "bad-request")); end return true; end end end);