Software /
code /
prosody-modules
Changeset
1661:69aa2b54ba8a
mod_privilege: implemented message privilege
author | Goffi <goffi@goffi.org> |
---|---|
date | Thu, 02 Apr 2015 21:47:05 +0200 (2015-04-02) |
parents | 1660:d1072db4db44 |
children | 1662:d440a22fa0af |
files | mod_privilege/mod_privilege.lua |
diffstat | 1 files changed, 37 insertions(+), 1 deletions(-) [+] |
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--- a/mod_privilege/mod_privilege.lua Thu Apr 02 21:47:05 2015 +0200 +++ b/mod_privilege/mod_privilege.lua Thu Apr 02 21:47:05 2015 +0200 @@ -1,4 +1,4 @@ --- XEP-0356 (Privileged Entity) + -- XEP-0356 (Privileged Entity) -- Copyright (C) 2015 Jérôme Poisson -- -- This module is MIT/X11 licensed. Please see the @@ -12,6 +12,7 @@ local st = require("util/stanza") local roster_manager = require("core/rostermanager") local user_manager = require("core/usermanager") +local hosts = prosody.hosts local _ALLOWED_ROSTER = set.new({'none', 'get', 'set', 'both'}) local _ROSTER_GET_PERM = set.new({'get', 'both'}) @@ -20,6 +21,7 @@ local _ALLOWED_PRESENCE = set.new({'none', 'managed_entity', 'roster'}) local _TO_CHECK = {roster=_ALLOWED_ROSTER, message=_ALLOWED_MESSAGE, presence=_ALLOWED_PRESENCE} local _PRIV_ENT_NS = 'urn:xmpp:privilege:1' +local _FORWARDED_NS = 'urn:xmpp:forward:0' module:log("debug", "Loading privileged entity module "); @@ -223,3 +225,37 @@ return true end); + + +--> message permission <-- + +module:hook("message/host", function(event) + local session, stanza = event.origin, event.stanza; + local privilege_elt = stanza:get_child('privilege', _PRIV_ENT_NS) + if privilege_elt==nil then return; end + if session.privileges and session.privileges.message=="outgoing" then + if #privilege_elt.tags==1 and privilege_elt.tags[1].name == "forwarded" + and privilege_elt.tags[1].attr.xmlns==_FORWARDED_NS then + local message_elt = privilege_elt.tags[1]:get_child('message', 'jabber:client') + if message_elt ~= nil then + local from_node, from_host, from_resource = jid.split(message_elt.attr.from) + if from_resource == nil and hosts[from_host] then -- we only accept bare jids from one of the server hosts + -- at this point everything should be alright, we can send the message + prosody.core_route_stanza(nil, message_elt) + else -- trying to send a message from a forbidden entity + module:log("warn", "Entity "..tostring(session.full_jid).." try to send a message from "..tostring(message_elt.attr.from)) + session.send(st.error_reply(stanza, 'auth', 'forbidden')) + end + else -- incorrect message child + session.send(st.error_reply(stanza, "modify", "bad-request", "invalid forwarded <message/> element")); + end + else -- incorrect forwarded child + session.send(st.error_reply(stanza, "modify", "bad-request", "invalid <forwarded/> element")); + end; + else -- The permission is not granted + module:log("warn", "Entity "..tostring(session.full_jid).." try to send message without permission") + session.send(st.error_reply(stanza, 'auth', 'forbidden')) + end + + return true +end);