Mercurial > prosody-modules
view mod_block_strangers/mod_block_strangers.lua @ 5616:59d5fc50f602
mod_http_oauth2: Implement refresh token rotation
Makes refresh tokens one-time-use, handing out a new refresh token with
each access token. Thus if a refresh token is stolen and used by an
attacker, the next time the legitimate client tries to use the previous
refresh token, it will not work and the attack will be noticed. If the
attacker does not use the refresh token, it becomes invalid after the
legitimate client uses it.
This behavior is recommended by draft-ietf-oauth-security-topics
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 23 Jul 2023 02:56:08 +0200 |
parents | 38365c1f1fe4 |
children |
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local st = require"util.stanza"; local jid_split = require "util.jid".split; local jid_bare = require "util.jid".bare; local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed; local full_sessions = prosody.full_sessions; local function has_directed_presence(user, jid) local session = full_sessions[user]; if session then local directed = session.directed; if directed then return directed[jid]; end end end function check_subscribed(event) local stanza = event.stanza; local to_user, to_host, to_resource = jid_split(stanza.attr.to); local from_jid = jid_bare(stanza.attr.from); if to_user and not has_directed_presence(stanza.attr.to, from_jid) and not is_contact_subscribed(to_user, to_host, from_jid) then -- Allow all messages from your own jid if from_jid == to_user.."@"..to_host then return nil; -- Pass through end if to_resource and stanza.attr.type == "groupchat" or stanza.name == "iq" and (stanza.attr.type == "result" or stanza.attr.type == "error") then return nil; -- Pass through end if stanza.name == "iq" and ( stanza.attr.type == "get" or stanza.attr.type == "set" ) then event.origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); end return true; -- Drop stanza end end module:hook("message/bare", check_subscribed, 200); module:hook("message/full", check_subscribed, 200); module:hook("iq/full", check_subscribed, 200);