From 6125895ae6ef5450f31470f879beb56b48d64acf Mon Sep 17 00:00:00 2001 From: "xiaojunnuo@qq.com" Date: Mon, 9 Nov 2020 10:01:58 +0800 Subject: [PATCH] refactor: 1 --- packages/mitmproxy/src/lib/dns/https.js | 27 +++++++++++++++---------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/packages/mitmproxy/src/lib/dns/https.js b/packages/mitmproxy/src/lib/dns/https.js index a827b2d3..f11b7071 100644 --- a/packages/mitmproxy/src/lib/dns/https.js +++ b/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 } }