fix(ipintelligence): apply configured timeout to MMDB downloads and expose IP intelligence timeout option

ts/smartnetwork.classes.ipintelligence.ts

@@ -522,14 +522,21 @@ export class IpIntelligence {
    * Fetch a URL and return the response as a Buffer
    */
   private async fetchBuffer(url: string): Promise<Buffer> {
-    const response = await fetch(url, {
-      headers: { 'User-Agent': '@push.rocks/smartnetwork' },
-    });
-    if (!response.ok) {
-      throw new Error(`Failed to fetch ${url}: HTTP ${response.status}`);
+    const controller = new AbortController();
+    const timeoutId = setTimeout(() => controller.abort(), this.timeout);
+    try {
+      const response = await fetch(url, {
+        signal: controller.signal,
+        headers: { 'User-Agent': '@push.rocks/smartnetwork' },
+      });
+      if (!response.ok) {
+        throw new Error(`Failed to fetch ${url}: HTTP ${response.status}`);
+      }
+      const arrayBuffer = await response.arrayBuffer();
+      return Buffer.from(arrayBuffer);
+    } finally {
+      clearTimeout(timeoutId);
     }
-    const arrayBuffer = await response.arrayBuffer();
-    return Buffer.from(arrayBuffer);
   }
 
   /**

ts/smartnetwork.classes.smartnetwork.ts

@@ -16,6 +16,8 @@ type TSmartdnsClient = InstanceType<typeof plugins.smartdns.dnsClientMod.Smartdn
 export interface SmartNetworkOptions {
   /** Cache time-to-live in milliseconds for gateway and public IP lookups */
   cacheTtl?: number;
+  /** Timeout in milliseconds for IP intelligence RDAP/DNS/MMDB requests. Default: 5000 */
+  ipIntelligenceTimeout?: number;
 }
 
 /**
@@ -437,7 +439,10 @@ export class SmartNetwork {
    */
   public async getIpIntelligence(ip: string): Promise<IIpIntelligenceResult> {
     if (!this.ipIntelligence) {
-      this.ipIntelligence = new IpIntelligence({ dnsClient: this.ensureDnsClient() });
+      this.ipIntelligence = new IpIntelligence({
+        dnsClient: this.ensureDnsClient(),
+        timeout: this.options.ipIntelligenceTimeout,
+      });
     }
     const fetcher = () => this.ipIntelligence!.getIntelligence(ip);
     if (this.options.cacheTtl && this.options.cacheTtl > 0) {