67 lines
2.6 KiB
JavaScript
67 lines
2.6 KiB
JavaScript
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// This file was modified by Oracle on September 21, 2021.
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// The changes involve saving additional authentication factor passwords
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// in the command scope and enabling multi-factor authentication in the
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// client-side when the server supports it.
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// Modifications copyright (c) 2021, Oracle and/or its affiliates.
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'use strict';
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const Command = require('./command.js');
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const Packets = require('../packets/index.js');
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const ClientConstants = require('../constants/client');
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const ClientHandshake = require('./client_handshake.js');
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const CharsetToEncoding = require('../constants/charset_encodings.js');
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class ChangeUser extends Command {
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constructor(options, callback) {
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super();
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this.onResult = callback;
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this.user = options.user;
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this.password = options.password;
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// "password1" is an alias of "password"
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this.password1 = options.password;
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this.password2 = options.password2;
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this.password3 = options.password3;
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this.database = options.database;
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this.passwordSha1 = options.passwordSha1;
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this.charsetNumber = options.charsetNumber;
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this.currentConfig = options.currentConfig;
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this.authenticationFactor = 0;
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}
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start(packet, connection) {
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const newPacket = new Packets.ChangeUser({
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flags: connection.config.clientFlags,
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user: this.user,
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database: this.database,
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charsetNumber: this.charsetNumber,
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password: this.password,
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passwordSha1: this.passwordSha1,
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authPluginData1: connection._handshakePacket.authPluginData1,
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authPluginData2: connection._handshakePacket.authPluginData2
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});
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this.currentConfig.user = this.user;
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this.currentConfig.password = this.password;
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this.currentConfig.database = this.database;
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this.currentConfig.charsetNumber = this.charsetNumber;
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connection.clientEncoding = CharsetToEncoding[this.charsetNumber];
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// reset prepared statements cache as all statements become invalid after changeUser
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connection._statements.reset();
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connection.writePacket(newPacket.toPacket());
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// check if the server supports multi-factor authentication
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const multiFactorAuthentication = connection.serverCapabilityFlags & ClientConstants.MULTI_FACTOR_AUTHENTICATION;
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if (multiFactorAuthentication) {
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// if the server supports multi-factor authentication, we enable it in
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// the client
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this.authenticationFactor = 1;
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}
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return ChangeUser.prototype.handshakeResult;
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}
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}
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ChangeUser.prototype.handshakeResult =
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ClientHandshake.prototype.handshakeResult;
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ChangeUser.prototype.calculateNativePasswordAuthToken =
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ClientHandshake.prototype.calculateNativePasswordAuthToken;
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module.exports = ChangeUser;
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