feat(cmd): Add Nitter consumption

commands/nitter.js

@@ -0,0 +1,63 @@
+const axios = require('axios');
+const { JSDOM } = require("jsdom");
+
+const headers = ({ domain, userAgent }) => ({
+  'Host': `${domain}`,
+  'User-Agent': `${userAgent}`
+});
+
+const nitter = async (instance, url) => {
+  const req = await instance({ method: 'GET', url });
+  if (req.statusText !== 'OK') throw req;
+  const dom = new JSDOM(req.data);
+  const tweet = dom.window.document.querySelector('#m');
+  const stats = tweet.querySelectorAll('.tweet-body > .tweet-stats .icon-container');
+  const quote = tweet.querySelector('.tweet-body > .quote a.quote-link');
+  return {
+    text: tweet.querySelector('.tweet-body > .tweet-content').innerHTML,
+    date: tweet.querySelector('.tweet-body > .tweet-published').textContent,
+    name: tweet.querySelector('.tweet-body > div .fullname').textContent,
+    handle: tweet.querySelector('.tweet-body > div .username').textContent,
+    hasAttachments: !!tweet.querySelector('.tweet-body > .attachments'),
+    quote: quote ? quote.href : null,
+    stats: { 
+      replies: stats[0].textContent.trim(),
+      retweets: stats[1].textContent.trim(),
+      favorites: stats[2].textContent.trim()
+    }
+  };
+};
+
+const card = (tweet, base, path) =>
+`<a href="${base}/${tweet.handle.replace(/^@/, '')}"><b>${tweet.name}</b></a> ` +
+`<a href="${base}${path}"><b>${tweet.date}</b></a> ` +
+`<span>🗨️ ${tweet.stats.replies}</span> ` +
+`<span>🔁 ${tweet.stats.retweets}</span> ` +
+`<span>❤️ ${tweet.stats.favorites}</span> ` +
+`<br /><blockquote><b><i>${tweet.text.replace('\n', '<br />')}</i></b></blockquote>` +
+(tweet.hasAttachments ? '<blockquote><b>This tweet has attached media.</b></blockquote>' : '') +
+(tweet.quote ? `<blockquote><b><a href="${base}${tweet.quote}">Quoted Tweet</a></b></blockquote>` : '');
+
+const run = async (matrixClient, { roomId }, userInput, registrar) => {
+  const config = registrar.config.nitter;
+  const instance = axios.create({
+    baseURL: `https://${config.domain}`,
+    headers: headers(config),
+    transformResponse: [],
+    timeout: 10 * 1000
+  });
+  const tweet = await nitter(instance, userInput);
+  return await matrixClient.sendHtmlNotice(roomId, '', card(tweet, `https://${config.domain}`, userInput));
+}
+ 
+exports.runQuery = (client, room, userInput, registrar) => {
+  let url = null;
+  try {
+    url = new URL(userInput);
+    if(!registrar.config.nitter.domains.includes(url.hostname)) throw '';
+    if(!/^\/[^/]+\/status\/\d+\/?$/.test(url.pathname)) throw '';
+  } catch(e) {
+    return client.sendHtmlNotice(roomId, 'Sad!', `<strong>Sad!</strong>`).catch(()=>{});
+  }
+  return run(client, room, url.pathname, registrar);
+};