README.md

@@ -17,8 +17,8 @@ The following environment variables are optional.
 
 | Variable | Description | Default |
 |----------|-------------|---------|
-| `HOSTNAME` | Overrides the hostname for generating URLs. | hostname of the upload request |
-| `DISCORD_WEBHOOK` | Discord webhook url that newly-uploaded URLs will be sent to to pre-load their embed, which theoretically makes them embed again faster. | `undefined` (disabled) |
+| `HOSTNAMES` | Comma-separated list of hostnames that will be chosen at random for the URL sent back after an upload. | request hostname |
+| `DISCORD_WEBHOOK` | Discord webhook url that uploads will be sent to to make them pre-load the embed, which theoretically makes it faster. | `undefined` (disabled) |
 | `PORT` | TCP port to listen on | `8568` |
 | `ADDRESS` | Address to bind to | `'0.0.0.0'` (all) |
 | `FILES_DIR` | Directory to store the files in | `'files'` (relative of working directory) |

qonq.js

@@ -6,11 +6,12 @@ var serveIndex = require("serve-index");
 var serveFavicon = require("serve-favicon");
 var path = require("path");
 var fs = require("fs");
-try {
-	var customUrlGen = require("./custom-urlgen");
-} catch(e) {}
 
 var FILES_DIR = process.env.FILES_DIR || "files";
+if (process.env.HOSTNAMES) {
+	var HOSTNAMES = process.env.HOSTNAMES.split(',');
+	var randomHostname = () => HOSTNAMES[Math.floor(Math.random() * HOSTNAMES.length)];
+}
 
 var app = express();
 app.set("env", "production");
@@ -52,7 +53,7 @@ app.post("*", (req, res, next) => {
 				else {
 					fs.rename(file.path, path.join(webroot, file.name), function (error) {
 						if (error) return void next(error);
-						var url = customUrlGen?.(filecode, req) || `${req.protocol}://${filecode}.${process.env.HOSTNAME || req.hostname}`;
+						let url = `${req.protocol}://${filecode}.${randomHostname?.() || req.hostname}`;
 						res.send(url);
 						require("./discord-preloader.js")(url);
 					});