added test upload

cloudflare-worker/src/index.js

@@ -65,10 +65,7 @@ export default {
         Key: key,
       });
 
-      const presignedUrl = await getSignedUrl(client, command, {
-        expiresIn: 3600,
-        unhoistableHeaders: new Set(['x-amz-content-sha256']),
-      });
+      const presignedUrl = await getSignedUrl(client, command, { expiresIn: 3600 });
 
       return json({ url: presignedUrl, key }, 200, cors);
     } catch (err) {

cloudflare-worker/test/upload.test.js

@@ -52,10 +52,7 @@ describe('R2 upload', () => {
 
     const uploadRes = await fetch(url, {
       method: 'PUT',
-      headers: {
-        'Content-Type': 'image/png',
-        'x-amz-content-sha256': 'UNSIGNED-PAYLOAD',
-      },
+      headers: { 'Content-Type': 'image/png' },
       body: IMAGE,
     });