Mercurial > prosody-modules
annotate mod_auto156/mod_auto156.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> |
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date | Wed, 25 Aug 2021 15:05:56 +0200 |
parents | 5d494dba9c02 |
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mod_auto156: Queries for XEP-0156 TXT records and prints in JSON format
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1 -- Synthesize XEP-0156 JSON from DNS |
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2 local array = require "util.array"; |
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3 local encodings = require "util.encodings"; |
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4 local json = require "util.json"; |
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5 local promise = require "util.promise"; |
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6 |
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7 local dns = require"net.adns".resolver(); |
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8 |
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9 local function check_dns(domain) |
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10 return dns:lookup_promise("_xmppconnect." .. domain, "TXT"); |
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11 end |
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12 |
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13 local function check_domain(domain) |
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14 return promise.resolve(domain):next(encodings.stringprep.nameprep):next(encodings.idna.to_ascii):next( |
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15 function(domain_A) |
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16 if not domain_A then |
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17 return promise.reject(400); |
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18 else |
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19 return domain_A; |
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20 end |
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21 end):next(check_dns):next(function(txt) |
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22 local uris = array(); |
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23 for _, cm in ipairs(txt) do |
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24 local kind, uri = tostring(cm.txt):match("^_xmpp%-client%-(%w+)=([hpstw]+s?://.*)"); |
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25 if kind then |
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26 uris:push({rel = "urn:xmpp:alt-connections:" .. kind, href = uri}); |
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27 end |
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28 end |
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29 if #uris == 0 then |
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30 return promise.reject(404); |
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31 end |
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32 return {links=uris}; |
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33 end); |
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34 end |
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35 |
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36 module:depends("http"); |
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37 module:provides("http", { |
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38 route = { |
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39 ["GET /*"] = function(_, domain) |
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40 return check_domain(domain):next(function(altmethods) |
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41 return {headers = {content_type = "application/json"}, body = json.encode(altmethods)}; |
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42 end); |
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43 end, |
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44 }, |
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45 }); |
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46 |
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47 function module.command(args) |
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48 local async = require "util.async"; |
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49 for _, domain in ipairs(args) do |
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50 print(assert(async.wait_for(check_domain(domain):next(json.encode)))); |
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51 end |
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52 end |