66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
// SPDX-License-Identifier: MIT
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import { QueryResponse, ServerOptions } from "./utils.ts";
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/**
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* @param domain Domain to query
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* @param query
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* @param server {@link utils.ts/ServerOptions}
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* @returns
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*/
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export async function doQuery(
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domain: string,
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query: Deno.RecordType,
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server?: ServerOptions,
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) {
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const response: QueryResponse = {} as QueryResponse;
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if (!server?.server) {
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const t0 = performance.now();
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await Deno.resolveDns(domain, query)
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// If there's no error
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.then((value) => {
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const t1 = performance.now();
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response.time = t1 - t0;
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response.response = "NOERROR";
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response.dnsResponse = value;
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})
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// If there is an error
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.catch((e: Error) => {
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const t1 = performance.now();
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response.time = t1 - t0;
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switch (e.name) {
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case "NotFound":
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response.response = "NXDOMAIN";
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break;
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default:
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console.dir(e);
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response.response = "SERVFAIL";
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}
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});
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} else {
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const t0 = performance.now();
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await Deno.resolveDns(domain, query, {
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nameServer: { "ipAddr": server.server, "port": server.port },
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})
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// If there's no error
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.then((value) => {
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const t1 = performance.now();
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response.time = t1 - t0;
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response.response = "NOERROR";
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response.dnsResponse = value;
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})
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// If there is an error
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.catch((e: Error) => {
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const t1 = performance.now();
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response.time = t1 - t0;
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switch (e.name) {
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case "NotFound":
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response.response = "NXDOMAIN";
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break;
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default:
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response.response = "SERVFAIL";
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}
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});
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}
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return response;
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}
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