142 lines
9.0 KiB
JavaScript
142 lines
9.0 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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const q = require("smartq");
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const plugins = require("./dnsly.plugins");
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/**
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* class dnsly offers methods for working with dns from a dns provider like Google DNS
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*/
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class Dnsly {
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/**
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* constructor for class dnsly
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*/
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constructor(dnsProviderArg = 'google') {
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this._setDnsProvider(dnsProviderArg);
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}
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/**
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* gets a record
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*/
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getRecord(recordNameArg, recordTypeArg) {
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return __awaiter(this, void 0, void 0, function* () {
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switch (recordTypeArg) {
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case 'TXT':
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return yield this.getRecordTxt(recordNameArg);
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case 'A':
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return yield this.getRecordA(recordNameArg);
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case 'AAAA':
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return yield this.getRecordAAAA(recordNameArg);
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}
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});
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}
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checkUntilAvailable(recordNameArg, recordTypeArg, expectedValue) {
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return __awaiter(this, void 0, void 0, function* () {
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let cycleArg = 0;
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let doCheck = () => __awaiter(this, void 0, void 0, function* () {
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if (cycleArg < 30) {
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cycleArg++;
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try {
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let myRecordArray = yield this.getRecord(recordNameArg, recordTypeArg);
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let myRecord = myRecordArray[0].value;
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if (myRecord === expectedValue) {
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return true;
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}
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else {
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yield plugins.smartdelay.delayFor(500);
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return yield doCheck();
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}
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}
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catch (err) {
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yield plugins.smartdelay.delayFor(500);
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return yield doCheck();
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}
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}
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else {
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console.log('failed permanently...');
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return false;
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}
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});
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return yield doCheck();
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});
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}
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/**
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* get A Dns Record
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*/
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getRecordA(recordNameArg) {
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return __awaiter(this, void 0, void 0, function* () {
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return yield this.getOrdinaryRecord(recordNameArg, 'A');
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});
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}
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/**
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* get AAAA Record
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*/
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getRecordAAAA(recordNameArg) {
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return __awaiter(this, void 0, void 0, function* () {
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return yield this.getOrdinaryRecord(recordNameArg, 'AAAA');
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});
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}
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/**
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* gets a txt record
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*/
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getRecordTxt(recordNameArg) {
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let done = q.defer();
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plugins.dns.resolveTxt(recordNameArg, (err, recordsArg) => {
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if (err) {
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done.reject(err);
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}
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let responseArray = [];
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for (let record of recordsArg) {
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let recordAny = record; // fix wrong typings
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responseArray.push({
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chunked: recordAny,
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name: recordNameArg,
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value: recordAny.join(' '),
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type: 'TXT'
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});
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}
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done.resolve(responseArray);
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});
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return done.promise;
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}
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/**
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* get oridinary record
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*/
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getOrdinaryRecord(recordNameArg, recordTypeArg) {
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let done = q.defer();
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plugins.dns.resolve(recordNameArg, recordTypeArg, (err, recordsArg) => {
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if (err) {
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done.reject(err);
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}
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let responseArray = [];
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for (let record of recordsArg) {
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responseArray.push({
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name: recordNameArg,
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value: record,
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type: recordTypeArg
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});
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}
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done.resolve(responseArray);
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});
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return done.promise;
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}
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/**
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* set the DNS provider
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*/
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_setDnsProvider(dnsProvider) {
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if (dnsProvider === 'google') {
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this.dnsServerIp = '8.8.8.8';
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this.dnsServerPort = 53;
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plugins.dns.setServers(['8.8.8.8', '8.8.4.4']);
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}
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else {
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throw new Error('unknown dns provider');
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}
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}
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}
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exports.Dnsly = Dnsly;
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