annotate mod_http_altconnect/mod_http_altconnect.lua @ 4001:0cb0605f3f38

mod_turncredentials/README: Link to credential spec Internet-Draft but whatever.
author Kim Alvefur <zash@zash.se>
date Thu, 30 Apr 2020 13:14:36 +0200
parents 0a0bf87ccda6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
1 -- mod_http_altconnect
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
2 -- XEP-0156: Discovering Alternative XMPP Connection Methods
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 module:depends"http";
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
3712
0a0bf87ccda6 mod_http_altconnect: Handle connection modules being global or host-local
Kim Alvefur <zash@zash.se>
parents: 1325
diff changeset
6 local mm = require "core.modulemanager";
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 local json = require"util.json";
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 local st = require"util.stanza";
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
9 local array = require"util.array";
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
11 local function get_supported()
1325
b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
diff changeset
12 local uris = array();
3712
0a0bf87ccda6 mod_http_altconnect: Handle connection modules being global or host-local
Kim Alvefur <zash@zash.se>
parents: 1325
diff changeset
13 if mm.is_loaded(module.host, "bosh") or mm.is_loaded("*", "bosh") then
1325
b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
diff changeset
14 uris:push({ rel = "urn:xmpp:alt-connections:xbosh", href = module:http_url("bosh", "/http-bind") });
b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
diff changeset
15 end
3712
0a0bf87ccda6 mod_http_altconnect: Handle connection modules being global or host-local
Kim Alvefur <zash@zash.se>
parents: 1325
diff changeset
16 if mm.is_loaded(module.host, "websocket") or mm.is_loaded("*", "websocket") then
1325
b21236b6b8d8 Backed out changeset 853a382c9bd6
Kim Alvefur <zash@zash.se>
parents: 1324
diff changeset
17 uris:push({ rel = "urn:xmpp:alt-connections:websocket", href = module:http_url("websocket", "xmpp-websocket"):gsub("^http", "ws") });
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
18 end
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
19 return uris;
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
20 end
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
21
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
22
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 local function GET_xml(event)
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 local request, response = event.request, event.response;
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 local xrd = st.stanza("XRD", { xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' });
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
26 local uris = get_supported();
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
27 for i, method in ipairs(uris) do
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
28 xrd:tag("Link", method):up();
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 end
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 response.headers.content_type = "application/xrd+xml"
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 response.headers.access_control_allow_origin = "*";
1291
1ac28a953e5f mod_http_altconnect: Send XML declaration
Kim Alvefur <zash@zash.se>
parents: 1290
diff changeset
32 return '<?xml version="1.0" encoding="UTF-8"?>' .. tostring(xrd);
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 end
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 local function GET_json(event)
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 local request, response = event.request, event.response;
1290
c0957b904487 mod_http_altconnect: Refactor to have module/connection method lookup in a common place
Kim Alvefur <zash@zash.se>
parents: 1289
diff changeset
37 local jrd = { links = get_supported() };
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 response.headers.content_type = "application/json"
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 response.headers.access_control_allow_origin = "*";
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 return json.encode(jrd);
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 end;
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 local function GET_either(event)
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local accept_type = event.request.headers.accept or "";
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 if ( accept_type:find("xml") or #accept_type ) < ( accept_type:find("json") or #accept_type+1 ) then
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 return GET_xml(event);
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 else
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 return GET_json(event);
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 end
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 end;
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 module:provides("http", {
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 default_path = "/.well-known";
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 route = {
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 ["GET /host-meta"] = GET_either;
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 -- ["GET /host-meta.xml"] = GET_xml; -- Hmmm
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 ["GET /host-meta.json"] = GET_json;
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 };
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 });