CORS error tryouts.

index.js

@@ -23,6 +23,8 @@ const {
 
 const app = express();
 
+app.use(cors());
+
 app.use(forceSSL());
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ extended: true }));
@@ -36,8 +38,6 @@ app.use("/", routes);
 
 app.use("/assets", express.static("./app/public"));
 
-app.use(cors());
-
 app.listen(APP_PORT, () =>
   console.log(`Example app listening on port ${APP_PORT}!`)
 );
@@ -77,7 +77,8 @@ app.get("/generateSignedURL", (req, res) => {
       //Tried to define Google ID and private key while debugging
       version: "v2", //tried v4 also
       action: "write",
-      contentType: "image/*", //tried without and with specific image/png ex.
+      "Content-Type": "image/*",
+      //contentType: "image/*", //tried without and with specific image/png ex.
       expires: Date.now() + 86400000
     };
     const filename = req.query.filename;
@@ -88,7 +89,12 @@ app.get("/generateSignedURL", (req, res) => {
     const [url] = await bucket.file(filename).getSignedUrl(options);
 
     console.log(`The signed url is ${url}.`);
-    res.send(url);
+
+    res.header("Access-Control-Allow-Origin", "http://localhost:5000");
+    res.header("Access-Control-Allow-Methods", "PUT,OPTIONS");
+    res.header("Access-Control-Allow-Headers", "Content-Type, Origin");
+    res.header("Access-Control-Max-Age", "86400000");
+    res.status(200).send(url);
   }
   generateSignedUrl().catch(console.error);
 });