added cors and title + description meta tags

cobalt.js

@@ -1,6 +1,7 @@
 import "dotenv/config"
 
 import express from "express";
+import cors from "cors";
 import * as fs from "fs";
 import rateLimit from "express-rate-limit";
 
@@ -16,6 +17,8 @@ import stream from "./modules/stream/stream.js";
 const commitHash = currentCommit();
 const app = express();
 
+app.disable('x-powered-by');
+
 if (fs.existsSync('./.env') && fs.existsSync('./config.json')) {
     const apiLimiter = rateLimit({
         windowMs: 20 * 60 * 1000,
@@ -36,12 +39,10 @@ if (fs.existsSync('./.env') && fs.existsSync('./config.json')) {
         }
     })
 
-    app.set('etag', 'strong');
     app.use('/api/', apiLimiter);
     app.use('/api/stream', apiLimiterStream);
     app.use('/', express.static('files'));
 
-    // avoid the %% URIError
     app.use((req, res, next) => {
         try {
             decodeURIComponent(req.path)
@@ -52,7 +53,7 @@ if (fs.existsSync('./.env') && fs.existsSync('./config.json')) {
         next();
     });
 
-    app.get('/api/:type', async (req, res) => {
+    app.get('/api/:type', cors({ origin: process.env.selfURL, optionsSuccessStatus: 200 }), async (req, res) => {
         try {
             switch (req.params.type) {
                 case 'json':

modules/page-renderer.js

@@ -32,6 +32,8 @@ export default function(obj) {
         <meta property="og:title" content="${appName}" />
         <meta property="og:description" content="${loc(obj.lang, 'desc', 'embed')}" />
         <meta property="og:image" content="${process.env.selfURL}icons/generic.png" />
+        <meta name="title" content="${appName}" />
+        <meta name="description" content="${loc(obj.lang, 'desc', 'embed')}" />
         <meta name="theme-color" content="#000000" />
         <meta name="twitter:card" content="summary" />
 

package.json

@@ -22,6 +22,7 @@
     },
     "homepage": "https://github.com/wukko/cobalt-web#readme",
     "dependencies": {
+        "cors": "^2.8.5",
         "dotenv": "^16.0.1",
         "express": "^4.17.1",
         "express-rate-limit": "^6.3.0",

strings/en/apiError.json

@@ -17,6 +17,6 @@
     "liveVideo": "i can't download a live video. wait for stream to finish and try again.",
     "nothingToDownload": "it seems like there's nothing to download. try another link!",
     "cantConnectToAPI": "i couldn't connect to {s} api. seems like either {s} is down or server ip got blocked. try again later.",
-    "noStreamID": "there's no such stream id. you can't fool me!",
+    "noStreamID": "there's no such stream id.",
     "noType": "there's no such expected response type."
 }