Node JS version

node_modules/cassandra-driver/lib/auth/plain-text-auth-provider.js

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+/*
+ * Copyright DataStax, Inc.
+ *
+ * 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.
+ */
+'use strict';
+const util = require('util');
+
+const provider = require('./provider.js');
+const utils = require('../utils');
+const AuthProvider = provider.AuthProvider;
+const Authenticator = provider.Authenticator;
+/**
+ * Creates a new instance of the Authenticator provider
+ * @classdesc Provides plain text [Authenticator]{@link module:auth~Authenticator} instances to be used when
+ * connecting to a host.
+ * @extends module:auth~AuthProvider
+ * @example
+ * var authProvider = new cassandra.auth.PlainTextAuthProvider('my_user', 'p@ssword1!');
+ * //Set the auth provider in the clientOptions when creating the Client instance
+ * const client = new Client({ contactPoints: contactPoints, authProvider: authProvider });
+ * @param {String} username User name in plain text
+ * @param {String} password Password in plain text
+ * @alias module:auth~PlainTextAuthProvider
+ * @constructor
+ */
+function PlainTextAuthProvider(username, password) {
+  this.username = username;
+  this.password = password;
+}
+
+util.inherits(PlainTextAuthProvider, AuthProvider);
+
+/**
+ * Returns a new [Authenticator]{@link module:auth~Authenticator} instance to be used for plain text authentication.
+ * @override
+ * @returns {Authenticator}
+ */
+PlainTextAuthProvider.prototype.newAuthenticator = function () {
+  return new PlainTextAuthenticator(this.username, this.password);
+};
+
+/**
+ * @ignore
+ */
+function PlainTextAuthenticator(username, password) {
+  this.username = username;
+  this.password = password;
+}
+
+util.inherits(PlainTextAuthenticator, Authenticator);
+
+PlainTextAuthenticator.prototype.initialResponse = function (callback) {
+  const initialToken = Buffer.concat([
+    utils.allocBufferFromArray([0]),
+    utils.allocBufferFromString(this.username, 'utf8'),
+    utils.allocBufferFromArray([0]),
+    utils.allocBufferFromString(this.password, 'utf8')
+  ]);
+  callback(null, initialToken);
+};
+
+PlainTextAuthenticator.prototype.evaluateChallenge = function (challenge, callback) {
+  //noop
+  callback();
+};
+
+module.exports = {
+  PlainTextAuthenticator,
+  PlainTextAuthProvider,
+};