mirror of
https://github.com/denoland/deno.git
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72fe9bb470
This commit renames "deno_core::InternalModuleLoader" to "ExtModuleLoader" and changes the specifiers used by the modules loaded from this loader to "ext:". "internal:" scheme was really ambiguous and it's more characters than "ext:", which should result in slightly smaller snapshot size. Closes https://github.com/denoland/deno/issues/18020
545 lines
15 KiB
TypeScript
545 lines
15 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// This module ports:
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// - https://github.com/nodejs/node/blob/master/src/cares_wrap.cc
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// - https://github.com/nodejs/node/blob/master/src/cares_wrap.h
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import type { ErrnoException } from "ext:deno_node/internal/errors.ts";
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import { isIPv4 } from "ext:deno_node/internal/net.ts";
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import { codeMap } from "ext:deno_node/internal_binding/uv.ts";
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import {
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AsyncWrap,
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providerType,
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} from "ext:deno_node/internal_binding/async_wrap.ts";
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// deno-lint-ignore camelcase
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import { ares_strerror } from "ext:deno_node/internal_binding/ares.ts";
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import { notImplemented } from "ext:deno_node/_utils.ts";
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import { isWindows } from "ext:deno_node/_util/os.ts";
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interface LookupAddress {
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address: string;
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family: number;
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}
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export class GetAddrInfoReqWrap extends AsyncWrap {
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family!: number;
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hostname!: string;
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callback!: (
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err: ErrnoException | null,
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addressOrAddresses?: string | LookupAddress[] | null,
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family?: number,
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) => void;
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resolve!: (addressOrAddresses: LookupAddress | LookupAddress[]) => void;
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reject!: (err: ErrnoException | null) => void;
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oncomplete!: (err: number | null, addresses: string[]) => void;
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constructor() {
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super(providerType.GETADDRINFOREQWRAP);
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}
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}
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export function getaddrinfo(
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req: GetAddrInfoReqWrap,
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hostname: string,
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family: number,
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_hints: number,
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verbatim: boolean,
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): number {
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let addresses: string[] = [];
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// TODO(cmorten): use hints
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// REF: https://nodejs.org/api/dns.html#dns_supported_getaddrinfo_flags
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const recordTypes: ("A" | "AAAA")[] = [];
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if (family === 0 || family === 4) {
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recordTypes.push("A");
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}
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if (family === 0 || family === 6) {
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recordTypes.push("AAAA");
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}
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(async () => {
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await Promise.allSettled(
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recordTypes.map((recordType) =>
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Deno.resolveDns(hostname, recordType).then((records) => {
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records.forEach((record) => addresses.push(record));
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})
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),
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);
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const error = addresses.length ? 0 : codeMap.get("EAI_NODATA")!;
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// TODO(cmorten): needs work
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// REF: https://github.com/nodejs/node/blob/master/src/cares_wrap.cc#L1444
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if (!verbatim) {
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addresses.sort((a: string, b: string): number => {
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if (isIPv4(a)) {
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return -1;
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} else if (isIPv4(b)) {
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return 1;
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}
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return 0;
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});
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}
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// TODO(@bartlomieju): Forces IPv4 as a workaround for Deno not
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// aligning with Node on implicit binding on Windows
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// REF: https://github.com/denoland/deno/issues/10762
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if (isWindows && hostname === "localhost") {
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addresses = addresses.filter((address) => isIPv4(address));
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}
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req.oncomplete(error, addresses);
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})();
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return 0;
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}
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export class QueryReqWrap extends AsyncWrap {
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bindingName!: string;
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hostname!: string;
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ttl!: boolean;
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callback!: (
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err: ErrnoException | null,
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// deno-lint-ignore no-explicit-any
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records?: any,
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) => void;
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// deno-lint-ignore no-explicit-any
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resolve!: (records: any) => void;
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reject!: (err: ErrnoException | null) => void;
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oncomplete!: (
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err: number,
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// deno-lint-ignore no-explicit-any
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records: any,
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ttls?: number[],
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) => void;
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constructor() {
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super(providerType.QUERYWRAP);
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}
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}
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export interface ChannelWrapQuery {
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queryAny(req: QueryReqWrap, name: string): number;
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queryA(req: QueryReqWrap, name: string): number;
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queryAaaa(req: QueryReqWrap, name: string): number;
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queryCaa(req: QueryReqWrap, name: string): number;
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queryCname(req: QueryReqWrap, name: string): number;
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queryMx(req: QueryReqWrap, name: string): number;
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queryNs(req: QueryReqWrap, name: string): number;
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queryTxt(req: QueryReqWrap, name: string): number;
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querySrv(req: QueryReqWrap, name: string): number;
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queryPtr(req: QueryReqWrap, name: string): number;
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queryNaptr(req: QueryReqWrap, name: string): number;
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querySoa(req: QueryReqWrap, name: string): number;
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getHostByAddr(req: QueryReqWrap, name: string): number;
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}
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function fqdnToHostname(fqdn: string): string {
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return fqdn.replace(/\.$/, "");
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}
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function compressIPv6(address: string): string {
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const formatted = address.replace(/\b(?:0+:){2,}/, ":");
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const finalAddress = formatted
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.split(":")
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.map((octet) => {
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if (octet.match(/^\d+\.\d+\.\d+\.\d+$/)) {
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// decimal
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return Number(octet.replaceAll(".", "")).toString(16);
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}
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return octet.replace(/\b0+/g, "");
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})
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.join(":");
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return finalAddress;
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}
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export class ChannelWrap extends AsyncWrap implements ChannelWrapQuery {
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#servers: [string, number][] = [];
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#timeout: number;
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#tries: number;
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constructor(timeout: number, tries: number) {
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super(providerType.DNSCHANNEL);
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this.#timeout = timeout;
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this.#tries = tries;
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}
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async #query(query: string, recordType: Deno.RecordType) {
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// TODO(@bartlomieju): TTL logic.
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let code: number;
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let ret: Awaited<ReturnType<typeof Deno.resolveDns>>;
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if (this.#servers.length) {
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for (const [ipAddr, port] of this.#servers) {
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const resolveOptions = {
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nameServer: {
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ipAddr,
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port,
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},
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};
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({ code, ret } = await this.#resolve(
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query,
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recordType,
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resolveOptions,
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));
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if (code === 0 || code === codeMap.get("EAI_NODATA")!) {
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break;
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}
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}
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} else {
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({ code, ret } = await this.#resolve(query, recordType));
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}
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return { code: code!, ret: ret! };
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}
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async #resolve(
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query: string,
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recordType: Deno.RecordType,
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resolveOptions?: Deno.ResolveDnsOptions,
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): Promise<{
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code: number;
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ret: Awaited<ReturnType<typeof Deno.resolveDns>>;
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}> {
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let ret: Awaited<ReturnType<typeof Deno.resolveDns>> = [];
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let code = 0;
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try {
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ret = await Deno.resolveDns(query, recordType, resolveOptions);
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} catch (e) {
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if (e instanceof Deno.errors.NotFound) {
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code = codeMap.get("EAI_NODATA")!;
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} else {
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// TODO(cmorten): map errors to appropriate error codes.
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code = codeMap.get("UNKNOWN")!;
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}
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}
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return { code, ret };
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}
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queryAny(req: QueryReqWrap, name: string): number {
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// TODO(@bartlomieju): implemented temporary measure to allow limited usage of
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// `resolveAny` like APIs.
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//
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// Ideally we move to using the "ANY" / "*" DNS query in future
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// REF: https://github.com/denoland/deno/issues/14492
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(async () => {
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const records: { type: Deno.RecordType; [key: string]: unknown }[] = [];
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await Promise.allSettled([
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this.#query(name, "A").then(({ ret }) => {
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ret.forEach((record) => records.push({ type: "A", address: record }));
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}),
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this.#query(name, "AAAA").then(({ ret }) => {
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(ret as string[]).forEach((record) =>
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records.push({ type: "AAAA", address: compressIPv6(record) })
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);
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}),
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this.#query(name, "CAA").then(({ ret }) => {
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(ret as Deno.CAARecord[]).forEach(({ critical, tag, value }) =>
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records.push({
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type: "CAA",
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[tag]: value,
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critical: +critical && 128,
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})
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);
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}),
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this.#query(name, "CNAME").then(({ ret }) => {
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ret.forEach((record) =>
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records.push({ type: "CNAME", value: record })
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);
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}),
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this.#query(name, "MX").then(({ ret }) => {
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(ret as Deno.MXRecord[]).forEach(({ preference, exchange }) =>
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records.push({
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type: "MX",
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priority: preference,
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exchange: fqdnToHostname(exchange),
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})
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);
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}),
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this.#query(name, "NAPTR").then(({ ret }) => {
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(ret as Deno.NAPTRRecord[]).forEach(
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({ order, preference, flags, services, regexp, replacement }) =>
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records.push({
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type: "NAPTR",
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order,
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preference,
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flags,
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service: services,
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regexp,
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replacement,
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}),
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);
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}),
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this.#query(name, "NS").then(({ ret }) => {
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(ret as string[]).forEach((record) =>
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records.push({ type: "NS", value: fqdnToHostname(record) })
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);
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}),
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this.#query(name, "PTR").then(({ ret }) => {
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(ret as string[]).forEach((record) =>
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records.push({ type: "PTR", value: fqdnToHostname(record) })
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);
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}),
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this.#query(name, "SOA").then(({ ret }) => {
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(ret as Deno.SOARecord[]).forEach(
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({ mname, rname, serial, refresh, retry, expire, minimum }) =>
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records.push({
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type: "SOA",
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nsname: fqdnToHostname(mname),
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hostmaster: fqdnToHostname(rname),
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serial,
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refresh,
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retry,
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expire,
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minttl: minimum,
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}),
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);
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}),
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this.#query(name, "SRV").then(({ ret }) => {
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(ret as Deno.SRVRecord[]).forEach(
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({ priority, weight, port, target }) =>
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records.push({
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type: "SRV",
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priority,
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weight,
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port,
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name: target,
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}),
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);
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}),
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this.#query(name, "TXT").then(({ ret }) => {
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ret.forEach((record) =>
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records.push({ type: "TXT", entries: record })
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);
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}),
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]);
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const err = records.length ? 0 : codeMap.get("EAI_NODATA")!;
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req.oncomplete(err, records);
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})();
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return 0;
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}
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queryA(req: QueryReqWrap, name: string): number {
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this.#query(name, "A").then(({ code, ret }) => {
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req.oncomplete(code, ret);
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});
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return 0;
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}
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queryAaaa(req: QueryReqWrap, name: string): number {
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this.#query(name, "AAAA").then(({ code, ret }) => {
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const records = (ret as string[]).map((record) => compressIPv6(record));
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryCaa(req: QueryReqWrap, name: string): number {
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this.#query(name, "CAA").then(({ code, ret }) => {
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const records = (ret as Deno.CAARecord[]).map(
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({ critical, tag, value }) => ({
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[tag]: value,
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critical: +critical && 128,
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}),
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);
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryCname(req: QueryReqWrap, name: string): number {
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this.#query(name, "CNAME").then(({ code, ret }) => {
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req.oncomplete(code, ret);
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});
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return 0;
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}
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queryMx(req: QueryReqWrap, name: string): number {
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this.#query(name, "MX").then(({ code, ret }) => {
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const records = (ret as Deno.MXRecord[]).map(
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({ preference, exchange }) => ({
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priority: preference,
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exchange: fqdnToHostname(exchange),
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}),
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);
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryNaptr(req: QueryReqWrap, name: string): number {
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this.#query(name, "NAPTR").then(({ code, ret }) => {
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const records = (ret as Deno.NAPTRRecord[]).map(
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({ order, preference, flags, services, regexp, replacement }) => ({
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flags,
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service: services,
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regexp,
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replacement,
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order,
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preference,
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}),
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);
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryNs(req: QueryReqWrap, name: string): number {
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this.#query(name, "NS").then(({ code, ret }) => {
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const records = (ret as string[]).map((record) => fqdnToHostname(record));
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryPtr(req: QueryReqWrap, name: string): number {
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this.#query(name, "PTR").then(({ code, ret }) => {
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const records = (ret as string[]).map((record) => fqdnToHostname(record));
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req.oncomplete(code, records);
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});
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return 0;
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}
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querySoa(req: QueryReqWrap, name: string): number {
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this.#query(name, "SOA").then(({ code, ret }) => {
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let record = {};
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if (ret.length) {
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const { mname, rname, serial, refresh, retry, expire, minimum } =
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ret[0] as Deno.SOARecord;
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record = {
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nsname: fqdnToHostname(mname),
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hostmaster: fqdnToHostname(rname),
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serial,
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refresh,
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retry,
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expire,
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minttl: minimum,
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};
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}
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req.oncomplete(code, record);
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});
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return 0;
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}
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querySrv(req: QueryReqWrap, name: string): number {
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this.#query(name, "SRV").then(({ code, ret }) => {
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const records = (ret as Deno.SRVRecord[]).map(
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({ priority, weight, port, target }) => ({
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priority,
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weight,
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port,
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name: target,
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}),
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);
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req.oncomplete(code, records);
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});
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return 0;
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}
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queryTxt(req: QueryReqWrap, name: string): number {
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this.#query(name, "TXT").then(({ code, ret }) => {
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req.oncomplete(code, ret);
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});
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return 0;
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}
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getHostByAddr(_req: QueryReqWrap, _name: string): number {
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// TODO(@bartlomieju): https://github.com/denoland/deno/issues/14432
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notImplemented("cares.ChannelWrap.prototype.getHostByAddr");
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}
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getServers(): [string, number][] {
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return this.#servers;
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}
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setServers(servers: string | [number, string, number][]): number {
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if (typeof servers === "string") {
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const tuples: [string, number][] = [];
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for (let i = 0; i < servers.length; i += 2) {
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tuples.push([servers[i], parseInt(servers[i + 1])]);
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}
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this.#servers = tuples;
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} else {
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this.#servers = servers.map(([_ipVersion, ip, port]) => [ip, port]);
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}
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return 0;
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}
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setLocalAddress(_addr0: string, _addr1?: string) {
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notImplemented("cares.ChannelWrap.prototype.setLocalAddress");
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}
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cancel() {
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notImplemented("cares.ChannelWrap.prototype.cancel");
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}
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}
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const DNS_ESETSRVPENDING = -1000;
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const EMSG_ESETSRVPENDING = "There are pending queries.";
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|
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export function strerror(code: number) {
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return code === DNS_ESETSRVPENDING
|
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? EMSG_ESETSRVPENDING
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: ares_strerror(code);
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}
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