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annotate mod_tweet_data/mod_tweet_data.lua @ 5407:149634647b48

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mod_http_oauth2: Don't issue client_secret when not using authentication This is pretty much only for implicit flow, which is considered insecure anyway, so this is of limited value. If we delete all the implicit flow code, this could be reverted.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:39:32 +0200
parents efdc3e4dc5df
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local mod_muc = module:depends("muc")
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2 local http = require "net.http"
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3 local st = require "util.stanza"
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4 local json = require "util.json"
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5 local url_pattern = [[https://twitter.com/%S+/status/%S+]]
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6 local xmlns_fasten = "urn:xmpp:fasten:0"
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7 local xmlns_xhtml = "http://www.w3.org/1999/xhtml"
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8 local twitter_apiv2_bearer_token = module:get_option_string("twitter_apiv2_bearer_token");
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9
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10 local function fetch_tweet_data(room, url, tweet_id, origin_id)
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11 if not url then return; end
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12 local options = {
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13 method = "GET";
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14 headers = { Authorization = "Bearer "..twitter_apiv2_bearer_token; };
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15 };
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16
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17 http.request(
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18 'https://api.twitter.com/2/tweets/'..tweet_id..'?expansions=author_id&tweet.fields=created_at,text&user.fields=id,name,username,profile_image_url',
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19 options,
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20 function(response_body, response_code, _)
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21 if response_code ~= 200 then
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22 module:log("debug", "Call to %s returned code %s and body %s", url, response_code, response_body)
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23 return;
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24 end
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25
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26 local response = json.decode(response_body);
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27 if not response then return; end
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28 if not response['data'] or not response['includes'] then return; end
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29
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30 local tweet = response['data'];
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31 local author = response['includes']['users'][1];
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32
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33 local to = room.jid
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34 local from = room and room.jid or module.host
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35 local fastening = st.message({to = to, from = from, type = 'groupchat'}):tag("apply-to", {xmlns = xmlns_fasten, id = origin_id})
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36
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37 fastening:tag(
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38 "meta",
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39 {
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40 xmlns = xmlns_xhtml,
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41 property = 'og:article:author',
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42 content = author['username']
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43 }
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44 ):up()
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45
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46 fastening:tag(
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47 "meta",
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48 {
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49 xmlns = xmlns_xhtml,
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50 property = 'og:article:published_time',
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51 content = tweet['created_at']
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52 }
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53 ):up()
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54
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55 fastening:tag(
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56 "meta",
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57 {
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58 xmlns = xmlns_xhtml,
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59 property = 'og:description',
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60 content = tweet['text']
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61 }
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62 ):up()
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63
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64 fastening:tag(
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65 "meta",
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66 {
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67 xmlns = xmlns_xhtml,
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68 property = 'og:image',
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69 content = author['profile_image_url']
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70 }
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71 ):up()
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72
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73 fastening:tag(
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74 "meta",
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75 {
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76 xmlns = xmlns_xhtml,
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77 property = 'og:title',
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78 content = author['username']
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79 }
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80 ):up()
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81
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82 fastening:tag(
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83 "meta",
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84 {
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85 xmlns = xmlns_xhtml,
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86 property = 'og:type',
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87 content = 'tweet'
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88 }
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89 ):up()
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90 fastening:tag(
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91 "meta",
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92 {
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93 xmlns = xmlns_xhtml,
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94 property = 'og:url',
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95 content = 'https://twitter.com/'..author['username']..'/status/'..tweet['id']
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96 }
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97 ):up()
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98
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99 mod_muc.get_room_from_jid(room.jid):broadcast_message(fastening)
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100 module:log("debug", tostring(fastening))
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101 end
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102 )
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103 end
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104
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105 local function tweet_handler(event)
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106 local room, stanza = event.room, st.clone(event.stanza)
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107 local body = stanza:get_child_text("body")
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108
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109 if not body then return; end
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110
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111 local origin_id = stanza:find("{urn:xmpp:sid:0}origin-id@id")
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112 if not origin_id then return; end
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113
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114 for url in body:gmatch(url_pattern) do
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115 local _, _, _, tweet_id = string.find(url, "https://twitter.com/(%S+)/status/(%S+)");
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116 fetch_tweet_data(room, url, tweet_id, origin_id);
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117 end
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118 end
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119
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120 module:hook("muc-occupant-groupchat", tweet_handler)
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121
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122
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123 module:hook("muc-message-is-historic", function (event)
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124 local fastening = event.stanza:get_child('apply-to', xmlns_fasten)
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125 if fastening and fastening:get_child('meta', xmlns_xhtml) then
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126 return true
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127 end
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128 end);