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local st = require "util.stanza"
local send = require "core.sessionmanager".send_to_session
local jid_split = require "util.jid".split;
local t_concat = table.concat;
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;
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)
:query("jabber:iq:roster");
for jid in pairs(session.roster) do
if jid ~= "pending" 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
send(session, 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
and query.tags[1].attr.jid ~= "pending" then
local item = query.tags[1];
local from_node, from_host = jid_split(stanza.attr.from);
local node, host, resource = jid_split(item.attr.jid);
if not resource then
if item.attr.jid ~= from_node.."@"..from_host then
if item.attr.subscription == "remove" then
if session.roster[item.attr.jid] then
local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, item.attr.jid);
if success then
send(session, st.reply(stanza));
rm_roster_push(from_node, from_host, item.attr.jid);
else
send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
end
else
send(session, 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[item.attr.jid] then
r_item.subscription = session.roster[item.attr.jid].subscription;
r_item.ask = session.roster[item.attr.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, item.attr.jid, r_item);
if success then
send(session, st.reply(stanza));
rm_roster_push(from_node, from_host, item.attr.jid);
else
send(session, st.error_reply(stanza, err_type, err_cond, err_msg));
end
end
else
send(session, st.error_reply(stanza, "cancel", "not-allowed"));
end
else
send(session, st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
end
else
send(session, st.error_reply(stanza, "modify", "bad-request"));
end
return true;
end
end
end);
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