random bun scripts that dont fit anywhere else
dunkirk.sh
1import { serve } from "bun";
2import { file } from "bun";
3
4const PORT = Number.parseInt(process.env.PORT || "3000");
5const ZIP_FILE_PATH = "./bigboy.gz"; // Path to your compressed file
6
7serve({
8 port: PORT,
9 async fetch(req) {
10 const url = new URL(req.url);
11
12 // Only serve the file at the /download endpoint
13 if (url.pathname === "/download") {
14 try {
15 // Use Bun's file API to get the compressed file
16 const compressedFile = file(ZIP_FILE_PATH);
17 const fileSize = compressedFile.size;
18
19 // Set headers to trigger browser decompression
20 const headers = new Headers();
21 headers.set("Content-Type", "application/octet-stream");
22 headers.set("Content-Length", fileSize.toString());
23 headers.set("Content-Encoding", "gzip");
24 headers.set("Content-Disposition", `attachment; filename="bomb.gz"`);
25 headers.set("Cache-Control", "no-store, max-age=0");
26 headers.set("ETag", `"${Math.random().toString(36).substring(2, 15)}"`);
27 headers.set("X-Compression-Ratio", "666:1");
28
29 return new Response(compressedFile.stream(), {
30 status: 200,
31 headers: headers,
32 });
33 } catch (error) {
34 console.error("Error serving file:", error);
35 return new Response("Error serving file", { status: 500 });
36 }
37 }
38
39 // Serve a simple HTML page with a download link
40 return new Response(
41 `
42 <!DOCTYPE html>
43 <html>
44 <head>
45 <title>File Download</title>
46 </head>
47 <body>
48 <h1>Compressed File Server</h1>
49 <p>Click below to download the file (104MB compressed, 100GB uncompressed)</p>
50 <a href="/download">Download File</a>
51 </body>
52 </html>
53 `,
54 {
55 headers: {
56 "Content-Type": "text/html",
57 },
58 },
59 );
60 },
61});
62
63console.log(`Server running at http://localhost:${PORT}`);