prosody-modules
d0b93105b289
mod_require_otr/mod_require_otr.lua

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mod_require_otr/mod_require_otr.lua @ 5474:d0b93105b289

mod_http_oauth2: Don't return redirects or HTML from token endpoint These are used by the client, not the user, so makes more sense to return JSON directly instead of a redirect or HTML error page when .
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:41:23 +0200
parent 1295:dfe1818962f5
line wrap: on
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local st = require "util.stanza";
local block_groupchat = module:get_option_boolean("otr_block_groupchat", false);

function reject_plaintext_messages(event)
    local body = event.stanza:get_child_text("body");
    if body and body:sub(1,4) ~= "?OTR" or (not block_groupchat and event.stanza.attr.type == "groupchat") then
        return event.origin.send(st.error_reply(event.stanza, "modify", "policy-violation", "OTR encryption is required for conversations on this server"));
    end
end

module:hook("pre-message/bare", reject_plaintext_messages, 300);
module:hook("pre-message/full", reject_plaintext_messages, 300);
module:hook("pre-message/host", reject_plaintext_messages, 300);