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mod_http_altconnect: Imported from prosody-modules 6d5a19bdd718 w/changes

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Changes from community version:

  - Add options to allow explicit control over whether BOSH/WS is advertised
  - Always serve XML at /host-meta (no guessing based on Accept), least surprising
This commit is contained in:
Matthew Wild 2025-02-16 13:19:05 +00:00
parent 8edde6a299
commit 83e4560a6c
3 changed files with 55 additions and 0 deletions
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1
CHANGES
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@ -84,6 +84,7 @@ TRUNK
- Support for systemd socket activation in server_epoll
- mod_invites_adhoc gained a command for creating password resets
- mod_cloud_notify imported from community modules for push notification support
- mod_http_altconnect imported from community modules, simplifying web clients
## Removed

2
core/features.lua
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@ -12,6 +12,8 @@ return {
"mod_cloud_notify";
-- mod_muc has built-in vcard support
"muc_vcard";
-- mod_http_altconnect bundled
"http_altconnect";
-- Roles, module.may and per-session authz
"permissions";
-- prosody.* namespace

52
plugins/mod_http_altconnect.lua Normal file
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@ -0,0 +1,52 @@
-- mod_http_altconnect
-- XEP-0156: Discovering Alternative XMPP Connection Methods
module:depends"http";
local mm = require "prosody.core.modulemanager";
local json = require"prosody.util.json";
local st = require"prosody.util.stanza";
local array = require"prosody.util.array";
local advertise_bosh = module:get_option_boolean("advertise_bosh", true);
local advertise_websocket = module:get_option_boolean("advertise_websocket", true);
local function get_supported()
local uris = array();
if advertise_bosh and (mm.is_loaded(module.host, "bosh") or mm.is_loaded("*", "bosh")) then
uris:push({ rel = "urn:xmpp:alt-connections:xbosh", href = module:http_url("bosh", "/http-bind") });
end
if advertise_websocket and (mm.is_loaded(module.host, "websocket") or mm.is_loaded("*", "websocket")) then
uris:push({ rel = "urn:xmpp:alt-connections:websocket", href = module:http_url("websocket", "xmpp-websocket"):gsub("^http", "ws") });
end
return uris;
end
local function GET_xml(event)
local response = event.response;
local xrd = st.stanza("XRD", { xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' });
local uris = get_supported();
for _, method in ipairs(uris) do
xrd:tag("Link", method):up();
end
response.headers.content_type = "application/xrd+xml"
response.headers.access_control_allow_origin = "*";
return '<?xml version="1.0" encoding="UTF-8"?>' .. tostring(xrd);
end
local function GET_json(event)
local response = event.response;
local jrd = { links = get_supported() };
response.headers.content_type = "application/json"
response.headers.access_control_allow_origin = "*";
return json.encode(jrd);
end;
module:provides("http", {
default_path = "/.well-known";
route = {
["GET /host-meta"] = GET_xml;
["GET /host-meta.json"] = GET_json;
};
});