jiti-meet/resources/prosody-plugins/mod_s2s_whitelist.lua

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-- Using version https://hg.prosody.im/prosody-modules/file/c1a8ce147885/mod_s2s_whitelist/mod_s2s_whitelist.lua
local st = require "util.stanza";
local whitelist = module:get_option_inherited_set("s2s_whitelist", {});
module:hook("route/remote", function (event)
if not whitelist:contains(event.to_host) then
module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
return true;
end
end, 100);
module:hook("s2s-stream-features", function (event)
if not whitelist:contains(event.origin.from_host) then
event.origin:close({
condition = "policy-violation";
text = "Communication with this domain is restricted";
});
end
end, 1000);