Merge pull request #26 from portapack-mayhem/firmware_cors

Firmware cors

functions/api/fetch_nightly_firmware.ts

@@ -3,40 +3,48 @@ const corsHeaders = {
   "Access-Control-Allow-Methods": "GET,HEAD,POST,OPTIONS,DELETE",
   "Access-Control-Allow-Headers": "Content-Type",
   "Access-Control-Max-Age": "86400",
-};
+}
 
 export const onRequestGet: PagesFunction = async (context) => {
   let apiUrl =
-    "https://api.github.com/repos/portapack-mayhem/mayhem-firmware/releases";
+    "https://api.github.com/repos/portapack-mayhem/mayhem-firmware/releases"
 
   let apiResponse = await fetch(apiUrl, {
     method: "GET",
     headers: { "User-Agent": "portapack-mayhem" },
-  });
+  })
 
   if (!apiResponse.ok) {
-    throw new Error(`HTTP error! status: ${apiResponse.status}`);
+    throw new Error(`HTTP error! status: ${apiResponse.status}`)
   }
 
-  let apiData: any = await apiResponse.json();
+  let apiData: any = await apiResponse.json()
 
   // assuming you want to fetch the first release data
   let browser_download_url = apiData[0].assets.find((asset: any) => {
-    const assetName: string = asset["name"];
-    return assetName.includes(".ppfw.tar");
-  }).browser_download_url;
-  console.log(browser_download_url);
+    const assetName: string = asset["name"]
+    return assetName.includes(".ppfw.tar")
+  }).browser_download_url
+  console.log(browser_download_url)
 
-  let fileUrl = browser_download_url;
+  const fileUrl = browser_download_url
+  const resourceResponse = await fetch(fileUrl)
 
-  let response = await fetch(fileUrl, context.request);
+  if (!resourceResponse.ok) {
+    throw new Error(`HTTP error! status: ${resourceResponse.status}`)
+  }
+
+  const resourceBody = await resourceResponse.body
+  let fileName = fileUrl.substring(fileUrl.lastIndexOf("/") + 1)
 
-  let fileName = fileUrl.substring(fileUrl.lastIndexOf("/") + 1);
+  let proxyResponse = new Response(resourceBody, resourceResponse)
+  Object.entries(corsHeaders).forEach(([key, value]) => {
+    proxyResponse.headers.set(key, value)
+  })
+  proxyResponse.headers.set(
+    "Content-Disposition",
+    `attachment; filename="${fileName}`
+  )
 
-  return new Response(response.body, {
-    headers: {
-      ...corsHeaders,
-      "Content-Disposition": `attachment; filename="${fileName}"`,
-    },
-  });
-};
+  return proxyResponse
+}