Compare commits
No commits in common. "v0.0.2-develop.1" and "v0.0.1" have entirely different histories.
v0.0.2-dev
...
v0.0.1
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@ -1,13 +0,0 @@
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name: Build/Publish
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on:
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push:
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branches:
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- master
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- develop
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- develop-*
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jobs:
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main:
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uses: lumeweb/github-node-deploy-workflow/.github/workflows/main.yml@master
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secrets: inherit
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@ -1,8 +0,0 @@
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{
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"preset": [
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"@lumeweb/presetter-kernel-module-preset"
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],
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"config": {
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"official": true
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}
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}
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@ -1 +0,0 @@
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## [0.0.2-develop.1](https://git.lumeweb.com/LumeWeb/resolver-module-handshake/compare/v0.0.1...v0.0.2-develop.1) (2023-07-15)
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File diff suppressed because it is too large
Load Diff
24
package.json
24
package.json
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@ -1,24 +0,0 @@
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{
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"name": "@lumeweb/resolver-module-handshake",
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"version": "0.0.2-develop.1",
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"main": "lib/index.js",
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"type": "module",
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"readme": "ERROR: No README data found!",
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"repository": {
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"type": "git",
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"url": "gitea@git.lumeweb.com:LumeWeb/resolver-module-handshake.git"
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},
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"scripts": {
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"prepare": "presetter bootstrap",
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"build": "run build",
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"semantic-release": "semantic-release"
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},
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"dependencies": {
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"@lumeweb/kernel-handshake-client": "^0.0.2-develop.4",
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"@lumeweb/kernel-libresolver": "^0.1.0-develop.3",
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"@lumeweb/tld-enum": "^0.1.0-develop.1"
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},
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"devDependencies": {
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"@lumeweb/presetter-kernel-module-preset": "^0.1.0-develop.43"
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}
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}
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@ -1,5 +0,0 @@
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import { setup } from "@lumeweb/kernel-libresolver";
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import Handshake from "./resolver.js";
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// @ts-ignore
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setup(new Handshake());
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296
src/resolver.ts
296
src/resolver.ts
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@ -1,296 +0,0 @@
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import tldEnum from "@lumeweb/tld-enum";
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import {
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AbstractResolverModule,
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DNS_RECORD_TYPE,
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DNSResult,
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isDomain,
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isIp,
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isPromise,
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normalizeDomain,
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resolverEmptyResponse,
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ResolverOptions,
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resolveSuccess,
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ensureUniqueRecords,
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DNSRecord,
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getTld,
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resolverError,
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} from "@lumeweb/libresolver";
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import {
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createClient,
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Response as HandshakeResponse,
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} from "@lumeweb/kernel-handshake-client";
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import { ResolverModule } from "@lumeweb/kernel-dns-client";
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const client = createClient();
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const HIP5_EXTENSIONS = ["eth", "_eth"];
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interface HnsRecord {
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type: string;
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address: string;
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txt: string[];
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ns: string;
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}
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export default class Handshake extends AbstractResolverModule {
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private async buildBlacklist(): Promise<Set<string>> {
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const blacklist = new Set<string>();
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let resolvers = this.resolver.resolvers as unknown as Set<ResolverModule>;
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if (isPromise(resolvers as any)) {
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resolvers = await resolvers;
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}
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for (const resolver of resolvers) {
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let tlds: string[] | Promise<string[]> = resolver.getSupportedTlds();
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if (isPromise(tlds as any)) {
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tlds = await tlds;
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}
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(tlds as string[]).map((item: string) => blacklist.add(item));
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}
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return blacklist;
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}
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async resolve(
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domain: string,
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options: ResolverOptions,
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bypassCache: boolean,
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): Promise<DNSResult> {
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options.options = options.options || {};
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const tld = getTld(domain);
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const blacklist = await this.buildBlacklist();
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if (blacklist.has(tld)) {
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return resolverEmptyResponse();
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}
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if (isIp(domain)) {
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return resolverEmptyResponse();
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}
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if (options?.options && "subquery" in options.options) {
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return resolverEmptyResponse();
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}
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const chainRecords = await this.query(tld);
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if (chainRecords.error) {
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return resolverError(chainRecords.error);
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}
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if (!chainRecords.result?.records.length) {
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return resolverEmptyResponse();
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}
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let records: DNSRecord[] = [];
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for (const record of chainRecords.result?.records) {
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switch (record.type) {
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case "NS": {
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await this.processNs(
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domain,
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record,
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records,
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chainRecords.result?.records,
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options,
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bypassCache,
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);
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break;
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}
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case "GLUE4": {
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await this.processGlue(domain, record, records, options, bypassCache);
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break;
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}
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case "TXT": {
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await this.processTxt(record, records, options);
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break;
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}
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case "SYNTH6": {
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if (
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options.type === DNS_RECORD_TYPE.A &&
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"ipv6" in options.options &&
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options.options.ipv6
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) {
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records.push({
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type: options.type,
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value: record.address,
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});
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}
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break;
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}
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case "SYNTH4": {
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if (options.type === DNS_RECORD_TYPE.A) {
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records.push({
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type: options.type,
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value: record.address,
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});
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}
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break;
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}
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default: {
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break;
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}
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}
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}
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records = ensureUniqueRecords(records);
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if (0 < records.length) {
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return resolveSuccess(records);
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}
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return resolverEmptyResponse();
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}
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// @ts-ignore
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private async processNs(
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domain: string,
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record: HnsRecord,
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records: DNSRecord[],
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hnsRecords: HnsRecord[],
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options: ResolverOptions,
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bypassCache: boolean,
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) {
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if (
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![DNS_RECORD_TYPE.A, DNS_RECORD_TYPE.CNAME, DNS_RECORD_TYPE.NS].includes(
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options.type,
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)
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) {
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return;
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}
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// @ts-ignore
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const glue = hnsRecords.slice().find(
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(item: object) =>
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// @ts-ignore
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["GLUE4", "GLUE6"].includes(item.type) && item.ns === record.ns,
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);
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if (glue && options.type !== DNS_RECORD_TYPE.NS) {
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return this.processGlue(domain, glue, records, options, bypassCache);
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}
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if (options.type === DNS_RECORD_TYPE.NS) {
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records.push({ type: options.type, value: record.ns });
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return;
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}
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const foundDomain = normalizeDomain(record.ns);
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let isIcann = false;
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let isHip5 = false;
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let hip5Parts = foundDomain.split(".");
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if (
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hip5Parts.length >= 2 &&
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[...(options.options?.hip5 ?? []), ...HIP5_EXTENSIONS].includes(
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hip5Parts[hip5Parts.length - 1],
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)
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) {
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isHip5 = true;
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}
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if (
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(isDomain(foundDomain) || /[a-zA-Z0-9\-]+/.test(foundDomain)) &&
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!isHip5
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) {
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if (foundDomain.includes(".")) {
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const tld = foundDomain.split(".")[foundDomain.split(".").length - 1];
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isIcann = tldEnum.list.includes(tld);
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}
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if (!isIcann) {
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const hnsNs = await this.resolver.resolve(foundDomain, options);
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if (hnsNs.records.length) {
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let icannRecords = await this.resolver.resolve(domain, {
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...options,
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options: {
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subquery: true,
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nameserver: hnsNs.records.pop()?.value,
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},
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});
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if (icannRecords.records.length) {
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records.push.apply(records, icannRecords.records);
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}
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}
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return resolverEmptyResponse();
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}
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let icannRecords = await this.resolver.resolve(domain, {
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...options,
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options: { subquery: true, nameserver: foundDomain },
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});
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if (icannRecords.records.length) {
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records.push.apply(records, icannRecords.records);
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return;
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}
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return resolverEmptyResponse();
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}
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let result = await this.resolver.resolve(record.ns, options, bypassCache);
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if (!result.records.length) {
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result.records.push({ type: DNS_RECORD_TYPE.NS, value: record.ns });
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return;
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}
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records.push.apply(records, result.records);
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}
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private async processGlue(
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domain: string,
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record: HnsRecord,
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records: DNSRecord[],
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options: ResolverOptions,
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bypassCache: boolean,
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) {
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if (![DNS_RECORD_TYPE.A, DNS_RECORD_TYPE.CNAME].includes(options.type)) {
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return;
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}
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if (isDomain(record.ns) && isIp(record.address)) {
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let results = await this.resolver.resolve(
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domain,
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{
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...options,
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options: {
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subquery: true,
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nameserver: record.address,
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},
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},
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bypassCache,
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);
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if (results.records.length) {
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records.push.apply(records, results.records);
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}
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}
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}
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private async query(tld: string): Promise<HandshakeResponse> {
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return client.query("getnameresource", [tld, true]);
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}
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private async processTxt(
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record: HnsRecord,
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records: DNSRecord[],
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options: ResolverOptions,
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) {
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const content = record.txt.slice().pop() as string;
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if (
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[DNS_RECORD_TYPE.TEXT, DNS_RECORD_TYPE.CONTENT].includes(options.type)
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) {
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records.push({
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type: DNS_RECORD_TYPE.TEXT,
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value: content,
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});
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}
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}
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async ready() {
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await client.ready();
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}
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}
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