cdn headers

max-ostapenko · max-ostapenko · commit 682c0ab8ba04 · 2026-01-14T17:46:25.000+01:00
diff --git a/src/index.js b/src/index.js
@@ -54,7 +54,8 @@ const getController = async (name) => {
 const setCORSHeaders = (res) => {
   res.setHeader('Access-Control-Allow-Origin', '*');
   res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');
-  res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Timing-Allow-Origin');
+  res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Accept, If-None-Match');
+  res.setHeader('Access-Control-Expose-Headers', '*');
   res.setHeader('Access-Control-Max-Age', '86400');
 };
 
@@ -85,7 +86,7 @@ const sendJSONResponse = (res, data, statusCode = 200) => {
 
 // Helper function to check if resource is modified
 const isModified = (req, etag) => {
-  const ifNoneMatch = req.headers['if-none-match'] || req.get('if-none-match');
+  const ifNoneMatch = req.headers['If-None-Match'] || req.get('If-None-Match');
   return !ifNoneMatch || ifNoneMatch !== `"${etag}"`;
 };
 
diff --git a/src/tests/headers.test.js b/src/tests/headers.test.js
@@ -37,6 +37,10 @@ describe('CDN Headers', () => {
         expect(res.headers['cache-control']).toBe('public, max-age=3600, s-maxage=2592000');
         expect(res.headers['cloud-cdn-cache-tag']).toBe('report-api');
         expect(res.headers['access-control-allow-origen']).toBe('*');
+        expect(res.headers['access-control-allow-headers']).toContain('Content-Type');
+        expect(res.headers['access-control-allow-headers']).toContain('If-None-Match');
+        expect(res.headers['access-control-expose-headers']).toContain('ETag');
+        expect(res.headers['access-control-expose-headers']).toContain('Cloud-CDN-Cache-Tag');
     });
 
     it('should set correct headers for static file proxy', async () => {
