首选库内匹配

server/geo-service.js

@@ -33,38 +33,49 @@ async function getLocation(target) {
   // Normalize target (strip port if present)
   const cleanTarget = target.split(':')[0];
 
-  // Resolve domain to IP if needed
-  let cleanIp = cleanTarget;
-  if (net.isIP(cleanTarget) === 0) {
+  // 1. Check if we already have this IP/Domain in DB (FASTEST)
   try {
-      console.log(`[Geo Service] Resolving domain to IP: ${cleanTarget}`);
-      const lookup = await dns.lookup(cleanTarget);
-      cleanIp = lookup.address;
-    } catch (err) {
-      console.error(`[Geo Service] DNS resolution failed for ${cleanTarget}:`, err.message);
-      return null;
-    }
-  }
-
-  // Skip local/reserved IPs
-  if (isLocalIp(cleanIp)) {
-    return null;
-  }
-
-  // Check database first
-  try {
-    const [rows] = await db.query('SELECT * FROM server_locations WHERE ip = ?', [cleanIp]);
+    const [rows] = await db.query('SELECT * FROM server_locations WHERE ip = ?', [cleanTarget]);
     if (rows.length > 0) {
-      // Check if data is stale (e.g., older than 30 days)
       const data = rows[0];
       const age = Date.now() - new Date(data.last_updated).getTime();
       if (age < 30 * 24 * 60 * 60 * 1000) {
         return normalizeGeo(data);
       }
     }
+  } catch (err) {
+    // console.error(`[Geo Service] DB check failed for ${cleanTarget}`);
+  }
 
-    // Resolve via ipinfo.io
-    console.log(`[Geo Service] Resolving location for IP: ${cleanIp}`);
+  // 2. Resolve domain to IP if needed
+  let cleanIp = cleanTarget;
+  if (net.isIP(cleanTarget) === 0) {
+    try {
+      const lookup = await dns.lookup(cleanTarget);
+      cleanIp = lookup.address;
+      
+      // Secondary DB check with resolved IP
+      const [rows] = await db.query('SELECT * FROM server_locations WHERE ip = ?', [cleanIp]);
+      if (rows.length > 0) {
+        return normalizeGeo(rows[0]);
+      }
+    } catch (err) {
+      // Quiet DNS failure for tokens (legacy bug mitigation)
+      if (!/^[0-9a-f]{16}$/i.test(cleanTarget)) {
+        console.error(`[Geo Service] DNS resolution failed for ${cleanTarget}:`, err.message);
+      }
+      return null;
+    }
+  }
+
+  // 3. Skip local/reserved IPs
+  if (isLocalIp(cleanIp)) {
+    return null;
+  }
+
+  // 4. Resolve via ipinfo.io (LAST RESORT)
+  try {
+    console.log(`[Geo Service] API lookup (ipinfo.io) for: ${cleanIp}`);
     const url = `https://ipinfo.io/${cleanIp}/json${ipInfoToken ? `?token=${ipInfoToken}` : ''}`;
     const response = await axios.get(url, { timeout: 5000 });
     const geo = normalizeGeo(response.data);