Mercurial > prosody-modules
view mod_muc_media_metadata/mod_muc_media_metadata.lua @ 4980:da151f9af861
replaced 'session' with 'origin' in push_disable
session is not defined in this function, trying to access it
leads to an error.
The correct reference seems to be 'origin'.
(This may have come about by copying from the similar
code in process_stanza_queue.)
author | arcseconds |
---|---|
date | Sat, 30 Jul 2022 21:07:47 +1200 |
parents | d4537f045a78 |
children |
line wrap: on
line source
local async = require "util.async"; local promise = require "util.promise"; local http = require "net.http"; local st = require "util.stanza"; local xmlns_metadata = "xmpp:prosody.im/protocol/media-metadata#0" local fetch_headers = { bytes = "content-length"; type = "content-type"; etag = "etag"; blurhash = "blurhash"; }; local function fetch_media_metadata(url) return promise.new(function (resolve) http.request(url, { method = "HEAD" }, function (body, code, response) --luacheck: ignore 212/body if code == 200 then local metadata = {}; for metadata_name, header_name in pairs(fetch_headers) do metadata[metadata_name] = response.headers[header_name]; end resolve(metadata); else resolve(nil); end end); end); end local function metadata_to_tag(metadata) if not metadata then return; end local metadata_tag = st.stanza("metadata", { xmlns = xmlns_metadata }); for k, v in pairs(metadata) do metadata_tag:text_tag(k, v) end return metadata_tag; end module:hook("muc-occupant-groupchat", function (event) local stanza = event.stanza; local promises; for oob in stanza:childtags("x", "jabber:x:oob") do if not promises then promises = {}; end local url = oob:get_child_text("url"); local p = fetch_media_metadata(url) :next(metadata_to_tag) :next(function (metadata_tag) oob:add_child(metadata_tag); end); table.insert(promises, p); end if not promises then return; end async.wait(promise.all(promises)); end);