your personal website on atproto - mirror
blento.app
flo-bit.dev
1import { error } from '@sveltejs/kit';
2
3export async function GET({ url }) {
4 const imageUrl = url.searchParams.get('url');
5 if (!imageUrl) {
6 throw error(400, 'No URL provided');
7 }
8
9 try {
10 new URL(imageUrl);
11 } catch {
12 throw error(400, 'Invalid URL');
13 }
14
15 try {
16 const response = await fetch(imageUrl);
17
18 if (!response.ok) {
19 throw error(response.status, 'Failed to fetch image');
20 }
21
22 const contentType = response.headers.get('content-type');
23
24 // Only allow image content types
25 if (!contentType?.startsWith('image/')) {
26 throw error(400, 'URL does not point to an image');
27 }
28
29 const blob = await response.blob();
30
31 return new Response(blob, {
32 headers: {
33 'Content-Type': contentType,
34 'Cache-Control': 'public, max-age=86400'
35 }
36 });
37 } catch (err) {
38 if (err && typeof err === 'object' && 'status' in err) {
39 throw err;
40 }
41 console.error('Error proxying image:', err);
42 throw error(500, 'Failed to proxy image');
43 }
44}