weblogin/node_modules/mysql2/lib/packets/auth_switch_request.js

39 lines
1.0 KiB
JavaScript
Raw Normal View History

2023-01-27 11:15:20 +00:00
'use strict';
// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchRequest
const Packet = require('../packets/packet');
class AuthSwitchRequest {
constructor(opts) {
this.pluginName = opts.pluginName;
this.pluginData = opts.pluginData;
}
toPacket() {
const length = 6 + this.pluginName.length + this.pluginData.length;
const buffer = Buffer.allocUnsafe(length);
const packet = new Packet(0, buffer, 0, length);
packet.offset = 4;
packet.writeInt8(0xfe);
// TODO: use server encoding
packet.writeNullTerminatedString(this.pluginName, 'cesu8');
packet.writeBuffer(this.pluginData);
return packet;
}
static fromPacket(packet) {
packet.readInt8(); // marker
// assert marker == 0xfe?
// TODO: use server encoding
const name = packet.readNullTerminatedString('cesu8');
const data = packet.readBuffer();
return new AuthSwitchRequest({
pluginName: name,
pluginData: data
});
}
}
module.exports = AuthSwitchRequest;