cloudflare worker for zip storage

storage-worker/src/index.ts

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+/**
+ * Welcome to Cloudflare Workers! This is your first worker.
+ *
+ * - Run `npm run dev` in your terminal to start a development server
+ * - Open a browser tab at http://localhost:8787/ to see your worker in action
+ * - Run `npm run deploy` to publish your worker
+ *
+ * Bind resources to your worker in `wrangler.jsonc`. After adding bindings, a type definition for the
+ * `Env` object can be regenerated with `npm run cf-typegen`.
+ *
+ * Learn more at https://developers.cloudflare.com/workers/
+ */
+
+export default {
+	async fetch(request, env) {
+		const url = new URL(request.url);
+
+		// List files: GET /files
+		if (url.pathname === '/files') {
+			const list = await env.BUCKET.list();
+			const files = list.objects
+				.filter((o) => o.size)
+				.map((o) => ({
+					key: o.key,
+					size: o.size,
+					uploaded: o.uploaded,
+					url: `${url.origin}/download/${o.key}`,
+				}));
+			return Response.json(files);
+		}
+
+		// Download: GET /download/filename.zip
+		if (url.pathname.startsWith('/download/')) {
+			const key = url.pathname.replace('/download/', '');
+			const o = await env.BUCKET.get(key);
+			if (!o || !o.size) return new Response('Not found', { status: 404 });
+			return new Response(o.body, {
+				headers: { 'Content-Disposition': `attachment; filename="${key}"` },
+			});
+		}
+
+		return new Response('Not found', { status: 404 });
+	},
+} satisfies ExportedHandler<Env>;