Mercurial > prosody-modules
view mod_muc_eventsource/mod_muc_eventsource.lua @ 4656:4eb684ab440c
mod_spam_reporting: Handle unknown or future report types
An unrecognised value in the 'reason' attribute would have caused an error.
This change makes it mirror the behavior for the previous XEP version.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 25 Aug 2021 15:05:56 +0200 |
parents | 39485b9bbdd6 |
children |
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module:depends("http"); local nodeprep = require "util.encodings".stringprep.nodeprep; local jid_split = require "util.jid".split; local json = require "util.json"; local streams = {}; 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) local response = event.response; node = nodeprep(node); if node == nil then return 400; end module:log("debug", "Client subscribed to: %s", node); 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_message(event) local room, stanza = event.room, event.stanza; local node = (jid_split(event.room.jid)); local clientlist = streams[node]; if not clientlist then module:log("debug", "No clients for %q", node); return; end -- Extract body from message local body = event.stanza:get_child_text("body"); if not body then return; end local nick = select(3, jid_split(stanza.attr.from)); -- Encode body and broadcast to eventsource subscribers local json_data = json.encode({ nick = nick; body = body; }); local data = "data: "..json_data:gsub("\n", "\ndata: \n").."\n\n"; for response, conn in pairs(clientlist) do conn:write(data); end end module:provides("http", { name = "eventsource"; route = { ["GET /*"] = serve_stream; }; }); module:hook("muc-broadcast-message", handle_message);