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mod_block_strangers/mod_block_strangers.lua @ 4976:75b6e5df65f9
various: Improve error reporting if missing file server module on 0.12
If there is some error loading net.http.files then it would be swallowed
by the pcall and then it would proceed to trying mod_http_files, which
might cause unexpected behavior on 0.12
Ref #1765
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 18 Jul 2022 22:47:54 +0200 |
parent | 3023:38365c1f1fe4 |
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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);