Mercurial > prosody-modules
view mod_pubsub_eventsource/mod_pubsub_eventsource.lua @ 4895:2542fd80cd15
mod_turn_external: Fix type of config option (thanks mirux)
There was a separate boolean option to enable TLS before, but it was
merged with the port number option and it seems the typed API interface
got confused.
Backport of trunk rev aa7a8aa64d3f
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Tue, 15 Feb 2022 21:51:52 +0100 |
parents | 0329cf8cdecb |
children |
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module:depends("http"); module:depends("pubsub"); local streams = {}; local service = hosts[module.host].modules.pubsub.service; function client_closed(response) local node = response._eventsource_node; module:log("debug", "Destroying client for %q", node); streams[node][response] = nil; if next(streams[node]) == nil then streams[node] = nil; end end function serve_stream(event, node) module:log("debug", "Client subscribed to: %s", node); local response = event.response; response.on_destroy = client_closed; response._eventsource_node = node; response.conn:write(table.concat({ "HTTP/1.1 200 OK"; "Content-Type: text/event-stream"; "Access-Control-Allow-Origin: *"; "Access-Control-Allow-Methods: GET"; "Access-Control-Max-Age: 7200"; ""; ""; }, "\r\n")); local clientlist = streams[node]; if not clientlist then clientlist = {}; streams[node] = clientlist; end clientlist[response] = response.conn; return true; end function handle_update(event) module:log("debug", "Item published: %q", event.node); local node = event.node; local clientlist = streams[node]; local item = event.item; if (item.name == "json" and item.attr.xmlns == "urn:xmpp:json:0") or (item.name == "data" and item.attr.xmlns == "https://prosody.im/protocol/data") then item = item[1]; end local data = "data: "..tostring(item):gsub("\n", "\ndata: ").."\n\n"; if not clientlist then module:log("debug", "No clients for %q", node); return; end for response, conn in pairs(clientlist) do conn:write(data); end end module:provides("http", { name = "eventsource"; route = { ["GET /*"] = serve_stream; }; }); module:hook_object_event(service.events, "item-published", handle_update);