54 lines
1.0 KiB
JavaScript
54 lines
1.0 KiB
JavaScript
/*!
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* dns.js - dns backend for bcoin
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* Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
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* https://github.com/bcoin-org/bcoin
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*/
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'use strict';
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var ProxySocket = require('./proxysocket');
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var socket;
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/**
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* Resolve host (no getaddrinfo).
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* @ignore
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* @param {String} host
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* @param {String?} proxy
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* @param {Boolean?} onion
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* @returns {Promise}
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*/
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exports.resolve = function resolve(host, proxy, onion) {
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return new Promise(function(resolve, reject) {
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if (!socket)
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socket = new ProxySocket(proxy);
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socket.resolve(host, 'A', function(err, result) {
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if (err) {
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reject(err);
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return;
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}
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if (result.length === 0) {
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reject(new Error('No DNS results.'));
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return;
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}
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resolve(result);
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});
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});
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};
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/**
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* Resolve host (getaddrinfo).
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* @ignore
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* @param {String} host
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* @param {String?} proxy
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* @param {Boolean?} onion
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* @returns {Promise}
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*/
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exports.lookup = function lookup(host, proxy, onion) {
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return exports.resolve(host, proxy, onion);
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};
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