refactor(proxy): w/ cycling, rm fallback.

refactor(config): adjust for cycling.

commands/invidious.js

@@ -1,8 +1,3 @@
-const headers = ({ domain, userAgent }) => ({
-  Host: `${domain}`,
-  'User-Agent': `${userAgent}`,
-});
-
 const invidious = async (instance, url) => {
   const req = await instance({ method: 'GET', url });
   if (req.statusText !== 'OK') throw req;
@@ -31,24 +26,28 @@ const card = (video, path) =>
 `<br />(${video.date})</b> <br />
  </blockquote>`;
 
- const getInstance = config =>
-   axios.create({
-     baseURL: `https://${config.domain}/api/v1/videos`,
-     headers: headers(config),
-     transformResponse: [],
-     timeout: 10 * 1000,
-   });
+const getInstance = (domain, config) =>
+  axios.create({
+    baseURL: `https://${domain}/api/v1/videos`,
+    headers: {
+      Host: `${domain}`,
+      'User-Agent': `${config.userAgent}`,
+    },
+    transformResponse: [],
+    timeout: 10 * 1000,
+  });
 
- const run = async (roomId, userInput) => {
-   const video = await invidious(getInstance(config.invidious), userInput)
-     .catch(_ => invidious(getInstance(Object.assign(config.invidious, { domain: config.invidious.fallback })), userInput));
-   return matrixClient.sendHtmlNotice(roomId, '', card(video, userInput));
- };
+const run = async (roomId, userInput) => {
+  const cfg = config.invidious;
+  const video = await matrix.utils.retryPromise(cfg.domains.redirect, domain => invidious(getInstance(domain, cfg), userInput));
+  return matrixClient.sendHtmlNotice(roomId, '', card(video, userInput));
+};
 
 exports.runQuery = async (roomId, event, userInput) => {
   try {
     const url = new URL(userInput);
-    if (!config.invidious.domains.includes(url.hostname)) throw '';
+    const { redirect, original } = config.invidious.domains;
+    if (!redirect.includes(url.hostname) && !original.includes(url.hostname)) throw '';
     if (/^\/[\w-]{11}$/.test(url.pathname)) return await run(roomId, url.pathname.slice(1));
     const params = new URLSearchParams(url.search).get('v');
     if (!/^[\w-]{11}$/.test(params)) throw '';

commands/nitter.js

@@ -1,10 +1,5 @@
 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;
@@ -52,24 +47,28 @@ const card = (tweet, check, path) =>
 (tweet.isReply ? tweet.isReply === 'unavailable' ? '<blockquote>Replied Tweet is unavailable</blockquote>' : `<blockquote><b><a href="${tweet.url}${tweet.isReply.path}">Replied Tweet</a></b><br /><b><i>${tweet.isReply.text.replace('\n', '<br />')}</i></b></blockquote>` : '') +
 (tweet.quote ? `<blockquote><b><a href="${tweet.url}${tweet.quote.path}">Quoted Tweet</a></b><br /><b><i>${tweet.quote.text.replace('\n', '<br />')}</i></b></blockquote>` : '');
 
-const getInstance = config =>
+const getInstance = (domain, config) =>
   axios.create({
-    baseURL: `https://${config.domain}`,
-    headers: headers(config),
+    baseURL: `https://${domain}`,
+    headers: {
+      Host: `${domain}`,
+      'User-Agent': `${config.userAgent}`,
+    },
     transformResponse: [],
     timeout: 10 * 1000,
   });
 
 const run = async (roomId, userInput) => {
-  const tweet = await nitter(getInstance(config.nitter), userInput)
-    .catch(_ => nitter(getInstance(Object.assign(config.nitter, { domain: config.nitter.fallback })), userInput));
-  return matrixClient.sendHtmlNotice(roomId, '', card(tweet, config.nitter.check, userInput));
+  const cfg = config.nitter;
+  const tweet = await matrix.utils.retryPromise(cfg.domains.redirect, domain => nitter(getInstance(domain, cfg), userInput));
+  return matrixClient.sendHtmlNotice(roomId, '', card(tweet, cfg.check, userInput));
 };
 
 exports.runQuery = async (roomId, event, userInput) => {
   try {
     const url = new URL(userInput);
-    if (!config.nitter.domains.includes(url.hostname)) throw '';
+    const { redirect, original } = config.nitter.domains;
+    if (!redirect.includes(url.hostname) && !original.includes(url.hostname)) throw '';
     if (!/^\/[^/]+\/status\/\d+\/?$/.test(url.pathname)) throw '';
     return await run(roomId, url.pathname);
   } catch (e) {

commands/proxy.js

@@ -0,0 +1,4 @@
+
+const msg = 'Invalid proxy domain!';
+exports.runQuery = (roomId, event, userInput) =>
+  matrixClient.sendHtmlNotice(roomId, msg, `<b>${msg}</b>`).catch(() => {});

config.example.js

@@ -23,16 +23,18 @@ module.exports = {
     userAgent: 'Mozilla/4.0 (compatible; Beep Boop)'
   },
   nitter: {
-    domain: 'nitter.fdn.fr',
-    fallback: 'nitter.snopyta.org',
     userAgent: 'Mozilla/4.0 (compatible; Beep Boop)',
-    domains: [ 'nitter.snopyta.org', 'nitter.net', 'www.nitter.net', 'twitter.com', 'www.twitter.com', 'mobile.twitter.com', 'm.twitter.com', 'nitter.fdn.fr' ],
-    check: '(✅)'
+    domains: {
+      redirect: [ 'nitter.fdn.fr', 'nitter.snopyta.org', 'nitter.net' ],
+      original:  [ 'nitter.net', 'www.nitter.net', 'twitter.com', 'www.twitter.com', 'mobile.twitter.com', 'm.twitter.com' ]
+    },
+    check: '(✅)',
   },
   invidious: {
-    domain: 'invidious.fdn.fr',
-    fallback: 'invidious.snopyta.org',
     userAgent: 'Mozilla/4.0 (compatible; Beep Boop)',
-    domains: [ 'invidious.snopyta.org', 'invidious.xyz', 'youtube.com', 'www.youtube.com', 'youtu.be', 'm.youtube.com', 'invidious.fdn.fr' ]
+    domains: {
+      redirect: [ 'invidious.fdn.fr', 'invidious.snopyta.org', 'invidious.xyz', 'inv.riverside.rocks', 'vid.puffyan.us', 'y.com.cm' ],
+      original:  [ 'youtube.com', 'www.youtube.com', 'youtu.be', 'm.youtube.com' ]
+    }
   }
 };

utils.js

@@ -49,9 +49,11 @@ const eventHandler = (args, roomId, command, event) => {
     case 'proxy': case 'p':
       try {
         const url = new URL(userInput);
-        command = config.invidious.domains.includes(url.hostname)
+        const invidio = config.invidious.domains;
+        const nitter = config.nitter.domains;
+        command = invidio.redirect.includes(url.hostname) || invidio.original.includes(url.hostname)
           ? 'invidious'
-          : config.nitter.domains.includes(url.hostname)
+          : nitter.redirect.includes(url.hostname) || nitter.original.includes(url.hostname)
             ? 'nitter'
             : 'proxy';
       } catch (e) { sendError(event, roomId, e); }
@@ -131,3 +133,13 @@ module.exports.selfReact = async (event) => {
     if (config.fediverse.tipping === true) addReact(event, '🌧️');
   }
 };
+
+module.exports.retryPromise = async (argList, promiseFn) => {
+  let err;
+  for(var arg of argList) {
+    try {
+      return await promiseFn(arg);
+    } catch(e) { err = e; }
+  }
+  throw err || new Error('retryPromise error');
+};