Initial commit

node_modules/neo4j-driver/lib/v1/internal/host-name-resolvers.js

@@ -0,0 +1,135 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DnsHostNameResolver = exports.DummyHostNameResolver = undefined;
+
+var _promise = require('babel-runtime/core-js/promise');
+
+var _promise2 = _interopRequireDefault(_promise);
+
+var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
+
+var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
+
+var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
+
+var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
+
+var _inherits2 = require('babel-runtime/helpers/inherits');
+
+var _inherits3 = _interopRequireDefault(_inherits2);
+
+var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+var _createClass2 = require('babel-runtime/helpers/createClass');
+
+var _createClass3 = _interopRequireDefault(_createClass2);
+
+var _urlUtil = require('./url-util');
+
+var _urlUtil2 = _interopRequireDefault(_urlUtil);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var HostNameResolver = function () {
+  function HostNameResolver() {
+    (0, _classCallCheck3.default)(this, HostNameResolver);
+  }
+
+  (0, _createClass3.default)(HostNameResolver, [{
+    key: 'resolve',
+    value: function resolve() {
+      throw new Error('Abstract function');
+    }
+  }]);
+  return HostNameResolver;
+}(); /**
+      * Copyright (c) 2002-2018 "Neo4j,"
+      * Neo4j Sweden AB [http://neo4j.com]
+      *
+      * This file is part of Neo4j.
+      *
+      * Licensed under the Apache License, Version 2.0 (the "License");
+      * you may not use this file except in compliance with the License.
+      * You may obtain a copy of the License at
+      *
+      *     http://www.apache.org/licenses/LICENSE-2.0
+      *
+      * Unless required by applicable law or agreed to in writing, software
+      * distributed under the License is distributed on an "AS IS" BASIS,
+      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      * See the License for the specific language governing permissions and
+      * limitations under the License.
+      */
+
+var DummyHostNameResolver = exports.DummyHostNameResolver = function (_HostNameResolver) {
+  (0, _inherits3.default)(DummyHostNameResolver, _HostNameResolver);
+
+  function DummyHostNameResolver() {
+    (0, _classCallCheck3.default)(this, DummyHostNameResolver);
+    return (0, _possibleConstructorReturn3.default)(this, (DummyHostNameResolver.__proto__ || (0, _getPrototypeOf2.default)(DummyHostNameResolver)).apply(this, arguments));
+  }
+
+  (0, _createClass3.default)(DummyHostNameResolver, [{
+    key: 'resolve',
+    value: function resolve(seedRouter) {
+      return resolveToItself(seedRouter);
+    }
+  }]);
+  return DummyHostNameResolver;
+}(HostNameResolver);
+
+var DnsHostNameResolver = exports.DnsHostNameResolver = function (_HostNameResolver2) {
+  (0, _inherits3.default)(DnsHostNameResolver, _HostNameResolver2);
+
+  function DnsHostNameResolver() {
+    (0, _classCallCheck3.default)(this, DnsHostNameResolver);
+
+    var _this2 = (0, _possibleConstructorReturn3.default)(this, (DnsHostNameResolver.__proto__ || (0, _getPrototypeOf2.default)(DnsHostNameResolver)).call(this));
+
+    _this2._dns = require('dns');
+    return _this2;
+  }
+
+  (0, _createClass3.default)(DnsHostNameResolver, [{
+    key: 'resolve',
+    value: function resolve(seedRouter) {
+      var _this3 = this;
+
+      var parsedAddress = _urlUtil2.default.parseDatabaseUrl(seedRouter);
+
+      return new _promise2.default(function (resolve) {
+        _this3._dns.lookup(parsedAddress.host, { all: true }, function (error, addresses) {
+          if (error) {
+            resolve(resolveToItself(seedRouter));
+          } else {
+            var addressesWithPorts = addresses.map(function (address) {
+              return addressWithPort(address, parsedAddress.port);
+            });
+            resolve(addressesWithPorts);
+          }
+        });
+      });
+    }
+  }]);
+  return DnsHostNameResolver;
+}(HostNameResolver);
+
+function resolveToItself(address) {
+  return _promise2.default.resolve([address]);
+}
+
+function addressWithPort(addressObject, port) {
+  var address = addressObject.address;
+  var addressFamily = addressObject.family;
+
+  if (!port) {
+    return address;
+  }
+
+  return addressFamily === 6 ? _urlUtil2.default.formatIPv6Address(address, port) : _urlUtil2.default.formatIPv4Address(address, port);
+}