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feat: Enhance CORS support by exposing important headers and update API responses to include Last-Modified and Content-Length-Source for improved client-side handling
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denozord
2025-08-11 16:03:51 +07:00
parent 8f31a31827
commit d1a06866c9
1 changed files with 21 additions and 0 deletions
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backend/server.js
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@@ -14,6 +14,12 @@ app.use(cors());
app.use(express.json());
app.use(compression());
// Expose important headers to browser JS (for CORS)
app.use((req, res, next) => {
res.setHeader('Access-Control-Expose-Headers', 'ETag, Last-Modified, Content-Length-Source');
next();
});
// Serve static files from the React app
app.use(express.static(path.join(__dirname, 'public')));
@@ -377,6 +383,11 @@ app.post('/api/asns', async (req, res) => {
try {
const put = await s3.putObject(params).promise();
if (put.ETag) res.set('ETag', String(put.ETag));
try {
const head = await s3.headObject({ Bucket: BUCKET_NAME, Key: 'bgp_data/asns.txt' }).promise();
if (head.LastModified) res.set('Last-Modified', new Date(head.LastModified).toUTCString());
if (typeof head.ContentLength === 'number') res.set('Content-Length-Source', String(head.ContentLength));
} catch {}
res.send('File updated successfully');
} catch (error) {
console.error(error);
@@ -460,6 +471,11 @@ app.post('/api/domains-new', async (req, res) => {
try {
const put = await s3.putObject(params).promise();
if (put.ETag) res.set('ETag', String(put.ETag));
try {
const head = await s3.headObject({ Bucket: BUCKET_NAME, Key: 'bgp_data/domains_community.txt' }).promise();
if (head.LastModified) res.set('Last-Modified', new Date(head.LastModified).toUTCString());
if (typeof head.ContentLength === 'number') res.set('Content-Length-Source', String(head.ContentLength));
} catch {}
res.send('File updated successfully');
} catch (error) {
console.error(error);
@@ -543,6 +559,11 @@ app.post('/api/ip-ranges', async (req, res) => {
try {
const put = await s3.putObject(params).promise();
if (put.ETag) res.set('ETag', String(put.ETag));
try {
const head = await s3.headObject({ Bucket: BUCKET_NAME, Key: 'bgp_data/ips.txt' }).promise();
if (head.LastModified) res.set('Last-Modified', new Date(head.LastModified).toUTCString());
if (typeof head.ContentLength === 'number') res.set('Content-Length-Source', String(head.ContentLength));
} catch {}
res.send('File updated successfully');
} catch (error) {
console.error(error);