refactor: 1

packages/mitmproxy/src/lib/dns/https.js

@@ -11,18 +11,23 @@ module.exports = class DNSOverHTTPS extends BaseDNS {
   }
 
   async _lookup (hostname) {
-    const result = await dohQueryAsync({ url: this.dnsServer }, [{ type: 'A', name: hostname }])
-    if (result.answers.length === 0) {
-      // 说明没有获取到ip
-      console.log('该域名没有ip地址解析', hostname)
+    try {
+      const result = await dohQueryAsync({ url: this.dnsServer }, [{ type: 'A', name: hostname }])
+      if (result.answers.length === 0) {
+        // 说明没有获取到ip
+        console.log('该域名没有ip地址解析', hostname)
+        return []
+      }
+      const ret = result.answers.filter(item => { return item.type === 'A' }).map(item => { return item.data })
+      if (ret.length === 0) {
+        console.log('该域名没有ipv4地址解析', hostname)
+      } else {
+        console.log('获取到域名地址：', hostname, JSON.stringify(ret))
+      }
+      return ret
+    } catch (err) {
+      console.log('dns query error', hostname, err)
       return []
     }
-    const ret = result.answers.filter(item => { return item.type === 'A' }).map(item => { return item.data })
-    if (ret.length === 0) {
-      console.log('该域名没有ipv4地址解析', hostname)
-    } else {
-      console.log('获取到域名地址：', hostname, JSON.stringify(ret))
-    }
-    return ret
   }
 }