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82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
/*
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* Copyright DataStax, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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const util = require('util');
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const provider = require('./provider.js');
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const utils = require('../utils');
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const AuthProvider = provider.AuthProvider;
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const Authenticator = provider.Authenticator;
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/**
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* Creates a new instance of the Authenticator provider
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* @classdesc Provides plain text [Authenticator]{@link module:auth~Authenticator} instances to be used when
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* connecting to a host.
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* @extends module:auth~AuthProvider
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* @example
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* var authProvider = new cassandra.auth.PlainTextAuthProvider('my_user', 'p@ssword1!');
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* //Set the auth provider in the clientOptions when creating the Client instance
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* const client = new Client({ contactPoints: contactPoints, authProvider: authProvider });
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* @param {String} username User name in plain text
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* @param {String} password Password in plain text
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* @alias module:auth~PlainTextAuthProvider
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* @constructor
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*/
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function PlainTextAuthProvider(username, password) {
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this.username = username;
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this.password = password;
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}
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util.inherits(PlainTextAuthProvider, AuthProvider);
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/**
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* Returns a new [Authenticator]{@link module:auth~Authenticator} instance to be used for plain text authentication.
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* @override
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* @returns {Authenticator}
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*/
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PlainTextAuthProvider.prototype.newAuthenticator = function () {
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return new PlainTextAuthenticator(this.username, this.password);
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};
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/**
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* @ignore
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*/
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function PlainTextAuthenticator(username, password) {
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this.username = username;
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this.password = password;
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}
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util.inherits(PlainTextAuthenticator, Authenticator);
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PlainTextAuthenticator.prototype.initialResponse = function (callback) {
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const initialToken = Buffer.concat([
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utils.allocBufferFromArray([0]),
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utils.allocBufferFromString(this.username, 'utf8'),
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utils.allocBufferFromArray([0]),
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utils.allocBufferFromString(this.password, 'utf8')
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]);
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callback(null, initialToken);
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};
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PlainTextAuthenticator.prototype.evaluateChallenge = function (challenge, callback) {
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//noop
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callback();
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};
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module.exports = {
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PlainTextAuthenticator,
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PlainTextAuthProvider,
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};
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