OCA_Backend/api/node_modules/mysql2/lib/commands/change_user.js
2022-01-22 19:06:44 +05:30

48 lines
1.7 KiB
JavaScript

'use strict';
const Command = require('./command.js');
const Packets = require('../packets/index.js');
const ClientHandshake = require('./client_handshake.js');
const CharsetToEncoding = require('../constants/charset_encodings.js');
class ChangeUser extends Command {
constructor(options, callback) {
super();
this.onResult = callback;
this.user = options.user;
this.password = options.password;
this.database = options.database;
this.passwordSha1 = options.passwordSha1;
this.charsetNumber = options.charsetNumber;
this.currentConfig = options.currentConfig;
}
start(packet, connection) {
const newPacket = new Packets.ChangeUser({
flags: connection.config.clientFlags,
user: this.user,
database: this.database,
charsetNumber: this.charsetNumber,
password: this.password,
passwordSha1: this.passwordSha1,
authPluginData1: connection._handshakePacket.authPluginData1,
authPluginData2: connection._handshakePacket.authPluginData2
});
this.currentConfig.user = this.user;
this.currentConfig.password = this.password;
this.currentConfig.database = this.database;
this.currentConfig.charsetNumber = this.charsetNumber;
connection.clientEncoding = CharsetToEncoding[this.charsetNumber];
// reset prepared statements cache as all statements become invalid after changeUser
connection._statements.reset();
connection.writePacket(newPacket.toPacket());
return ChangeUser.prototype.handshakeResult;
}
}
ChangeUser.prototype.handshakeResult =
ClientHandshake.prototype.handshakeResult;
ChangeUser.prototype.calculateNativePasswordAuthToken =
ClientHandshake.prototype.calculateNativePasswordAuthToken;
module.exports = ChangeUser;