twek base image path; handle errors

Author: enapupe

app.js

@@ -6,7 +6,7 @@ const sharp = require("sharp");
 const app = express();
 const PORT = 8080;
 const HOST = "0.0.0.0";
-const BASE_STORAGE_IMAGE_URL = "https://storage.googleapis.com/openbeta-prod/u";
+const BASE_STORAGE_IMAGE_URL = "https://storage.googleapis.com";
 
 const getImage = (path) => fetch(path).then((res) => res.arrayBuffer());
 const getFormat = (webp, avif) => {
@@ -16,38 +16,40 @@ const getFormat = (webp, avif) => {
 app.get("/healthy", (req, res) => {
   res.send("yes");
 });
-app.get("*", async (req, res) => {
-  console.log(req.url);
-  const { searchParams, pathname } = new URL(`http://noop.com${req.url}`);
-  console.log(searchParams, pathname);
 
-  if (!/\.(jpe?g|png|gif|webp)$/i.test(pathname)) {
-    return res.status(400).send("Disallowed file extension");
+app.get("*", async (req, res) => {
+  try {
+    const { searchParams, pathname, href } = new URL(
+      `${BASE_STORAGE_IMAGE_URL}${req.url}`,
+    );
+
+    if (!/\.(jpe?g|png|gif|webp)$/i.test(pathname)) {
+      return res.status(400).send("Disallowed file extension");
+    }
+
+    const webp = req.headers.accept?.includes("image/webp");
+    const avif = req.headers.accept?.includes("image/avif");
+    const quality = Number(searchParams.get("q")) || 90;
+    const width = Number(searchParams.get("w")) || undefined;
+    const height = Number(searchParams.get("h")) || undefined;
+    const format = getFormat(webp, avif);
+
+    const i = await getImage(href);
+    const processedImage = await sharp(i)
+      .rotate()
+      .resize({ width, height })
+      .toFormat(format, { quality });
+
+    console.log(pathname, href);
+
+    return res
+      .set("Cache-Control", "public, max-age=15552000")
+      .set("Vary", "Accept")
+      .type(`image/${format}`)
+      .send(await processedImage.toBuffer());
+  } catch (e) {
+    res.status(500).send(JSON.stringify(e));
   }
-
-  const webp = req.headers.accept?.includes("image/webp");
-  const avif = req.headers.accept?.includes("image/avif");
-  const quality = Number(searchParams.get("q")) || 90;
-  const width = Number(searchParams.get("w")) || undefined;
-  const height = Number(searchParams.get("h")) || undefined;
-  const format = getFormat(webp, avif);
-
-  console.log("webp:", webp);
-  console.log("avif:", avif);
-  console.log("quality:", quality);
-  console.log("width:", width);
-  console.log("height:", height);
-
-  const i = await getImage(`${BASE_STORAGE_IMAGE_URL}${pathname}`);
-  const processedImage = await sharp(i)
-    .rotate()
-    .resize({ width, height })
-    .toFormat(format, { quality });
-  return res
-    .set("Cache-Control", "public, max-age=15552000")
-    .set("Vary", "Accept")
-    .type(`image/${format}`)
-    .send(await processedImage.toBuffer());
 });
 
 const port = parseInt(process.env.PORT) || PORT;