conv. commit

netlify/edge-functions/firmware.ts

@@ -0,0 +1,36 @@
+// Proxies firmware binary downloads from GitHub Releases to avoid CORS restrictions.
+// URL: /api/firmware/:owner/:repo/:tag/:filename
+// Example: /api/firmware/donglora/firmware/v0.2.1/donglora-heltec_v4-v0.2.1.bin
+
+export default async (request: Request) => {
+  const url = new URL(request.url);
+  const match = url.pathname.match(
+    /^\/api\/firmware\/([^/]+)\/([^/]+)\/([^/]+)\/([^/]+)$/,
+  );
+
+  if (!match) {
+    return new Response("Not found", { status: 404 });
+  }
+
+  const [, owner, repo, tag, filename] = match;
+  const ghUrl = `https://github.com/${owner}/${repo}/releases/download/${tag}/${filename}`;
+
+  const resp = await fetch(ghUrl);
+  if (!resp.ok) {
+    return new Response(`GitHub returned ${resp.status}`, { status: resp.status });
+  }
+
+  return new Response(resp.body, {
+    status: 200,
+    headers: {
+      "Content-Type": "application/octet-stream",
+      "Content-Disposition": `attachment; filename="${filename}"`,
+      "Cache-Control": "public, max-age=86400",
+      "Access-Control-Allow-Origin": "*",
+    },
+  });
+};
+
+export const config = {
+  path: "/api/firmware/*",
+};