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mod_extdisco/mod_extdisco.lua @ 4730:1da4b815d2fe
mod_cloud_notify: Identify (and immediately push) urgent stanzas, e.g. calls
This covers the following things:
- A session that appears online, but has a broken TCP connection
- Clients such as Siskin and Snikket iOS that require a push for calls to work
It allows the stanza to be pushed immediately instead of waiting for the
session to hibernate or an ack to timeout.
It shouldn't break any existing cases.
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 27 Oct 2021 19:12:03 +0100 |
parent | 3606:7811ba467525 |
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local st = require "util.stanza"; local services = module:get_option("external_services"); local xmlns_extdisco_1 = "urn:xmpp:extdisco:1"; local xmlns_extdisco_2 = "urn:xmpp:extdisco:2"; module:add_feature(xmlns_extdisco_1); module:add_feature(xmlns_extdisco_2); local function handle_services(event) local origin, stanza = event.origin, event.stanza; local service = stanza.tags[1]; local service_type = service.attr.type; local reply = st.reply(stanza):tag("services", { xmlns = service.attr.xmlns }); for host, service_info in pairs(services) do if not(service_type) or service_info.type == service_type then reply:tag("service", { host = host; port = service_info.port; transport = service_info.transport; type = service_info.type; username = service_info.username; password = service_info.password; }):up(); end end origin.send(reply); return true; end module:hook("iq-get/host/"..xmlns_extdisco_1..":services", handle_services); module:hook("iq-get/host/"..xmlns_extdisco_2..":services", handle_services); local function handle_credentials(event) local origin, stanza = event.origin, event.stanza; local credentials = stanza.tags[1]; local host = credentials.attr.host; if not host then origin.send(st.error_reply(stanza, "cancel", "bad-request", "No host specified")); return true; end local service_info = services[host]; if not service_info then origin.send(st.error_reply(stanza, "cancel", "item-not-found", "No such service known")); return true; end local reply = st.reply(stanza) :tag("credentials", { xmlns = credentials.attr.xmlns }) :tag("service", { host = host; username = service_info.username; password = service_info.password; }):up(); origin.send(reply); return true; end module:hook("iq-get/host/"..xmlns_extdisco_1..":credentials", handle_credentials); module:hook("iq-get/host/"..xmlns_extdisco_2..":credentials", handle_credentials);