awl/lib/query.ts
Sam Therapy a29f69fce7
fix lint
Signed-off-by: Sam Therapy <sam@samtherapy.net>
2022-06-19 15:52:35 +02:00

65 lines
1.7 KiB
TypeScript

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