Mercurial > prosody-modules

annotate mod_auto156/mod_auto156.lua @ 4740:beeacb25dea9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_rest: Add XEP-0004 mapping for future reuse For use with MAM and such
author Kim Alvefur <zash@zash.se>
date Thu, 04 Nov 2021 19:36:11 +0100
parents 5d494dba9c02
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4613
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Synthesize XEP-0156 JSON from DNS
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 local array = require "util.array";
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 local encodings = require "util.encodings";
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local json = require "util.json";
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 local promise = require "util.promise";
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 local dns = require"net.adns".resolver();
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 local function check_dns(domain)
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 return dns:lookup_promise("_xmppconnect." .. domain, "TXT");
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local function check_domain(domain)
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 return promise.resolve(domain):next(encodings.stringprep.nameprep):next(encodings.idna.to_ascii):next(
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 function(domain_A)
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 if not domain_A then
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 return promise.reject(400);
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 else
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 return domain_A;
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 end):next(check_dns):next(function(txt)
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 local uris = array();
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 for _, cm in ipairs(txt) do
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 local kind, uri = tostring(cm.txt):match("^_xmpp%-client%-(%w+)=([hpstw]+s?://.*)");
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 if kind then
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 uris:push({rel = "urn:xmpp:alt-connections:" .. kind, href = uri});
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 if #uris == 0 then
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 return promise.reject(404);
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 end
4614
5d494dba9c02 mod_auto156: Include the containing object in command output
Kim Alvefur <zash@zash.se>
parents: 4613
diff changeset
32 return {links=uris};
4613
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 end);
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 module:depends("http");
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 module:provides("http", {
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 route = {
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 ["GET /*"] = function(_, domain)
4614
5d494dba9c02 mod_auto156: Include the containing object in command output
Kim Alvefur <zash@zash.se>
parents: 4613
diff changeset
40 return check_domain(domain):next(function(altmethods)
5d494dba9c02 mod_auto156: Include the containing object in command output
Kim Alvefur <zash@zash.se>
parents: 4613
diff changeset
41 return {headers = {content_type = "application/json"}, body = json.encode(altmethods)};
4613
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 end);
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 end,
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 },
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 });
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 function module.command(args)
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 local async = require "util.async";
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 for _, domain in ipairs(args) do
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 print(assert(async.wait_for(check_domain(domain):next(json.encode))));
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 end
6478442d217f mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 end