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mod_delay/mod_delay.lua @ 2624:c110b6bfe5d1
mod_smacks: Prevent ack loop on misbehaving clients
author | tmolitor <thilo@eightysoft.de> |
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date | Wed, 15 Mar 2017 16:24:03 +0100 (2017-03-15) |
parent | 2435:05248d5a7166 |
child | 3054:5e94061c1aa7 |
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local add_filter = require "util.filters".add_filter; local remove_filter = require "util.filters".remove_filter; local datetime = require "util.datetime"; local xmlns_delay = "urn:xmpp:delay"; -- Raise an error if the modules has been loaded as a component in prosody's config if module:get_host_type() == "component" then error(module.name.." should NOT be loaded as a component, check out http://prosody.im/doc/components", 0); end local add_delay = function(stanza, session) if stanza and stanza.name == "message" and stanza:get_child("delay", xmlns_delay) == nil then -- only add delay tag to chat or groupchat messages (should we add a delay to anything else, too???) if stanza.attr.type == "chat" or stanza.attr.type == "groupchat" then -- session.log("debug", "adding delay to message %s", tostring(stanza)); stanza = stanza:tag("delay", { xmlns = xmlns_delay, from = session.host, stamp = datetime.datetime()}); end end return stanza; end module:hook("resource-bind", function(event) add_filter(event.session, "stanzas/in", add_delay, 1); end); module:hook("pre-resource-unbind", function (event) remove_filter(event.session, "stanzas/in", add_delay); end);