feat: Add IP ranges management API endpoints and integrate with frontend for viewing and updating IP ranges

backend/server.js

@@ -176,6 +176,56 @@ app.post('/api/domains-new', async (req, res) => {
     }
 });
 
+// --- IP Ranges Routes ---
+
+// Get IP ranges from S3
+app.get('/api/ip-ranges', async (req, res) => {
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: 'domains/ips.txt',
+    };
+
+    try {
+        const data = await s3.getObject(params).promise();
+        const fileContent = data.Body.toString('utf-8');
+        const ipRanges = fileContent.split('\n').filter(line => line).map(line => {
+            const parts = line.trim().split(/\s+/);
+            const ipRange = parts[0] || '';
+            const community = parts[1] || '';
+            return { ipRange, community };
+        });
+        res.json(ipRanges);
+    } catch (error) {
+        if (error.code === 'NoSuchKey') {
+            res.json([]); // Return empty array if file does not exist
+        } else {
+            console.error(error);
+            res.status(500).send('Error reading from S3');
+        }
+    }
+});
+
+// Update IP ranges in S3
+app.post('/api/ip-ranges', async (req, res) => {
+    const { ipRanges } = req.body;
+    const fileContent = ipRanges.map(ip => `${ip.ipRange} ${ip.community}`).join('\n');
+
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: 'domains/ips.txt',
+        Body: fileContent,
+        ContentType: 'text/plain',
+    };
+
+    try {
+        await s3.putObject(params).promise();
+        res.send('File updated successfully');
+    } catch (error) {
+        console.error(error);
+        res.status(500).send('Error writing to S3');
+    }
+});
+
 // --- Servers Routes (JSON format) ---
 
 // Get servers from S3