CyberChef/src/core/operations/VarIntEncode.mjs

47 lines
1.1 KiB
JavaScript

/**
* @author GCHQ Contributor [3]
* @copyright Crown Copyright 2019
* @license Apache-2.0
*/
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
import Protobuf from "../lib/Protobuf";
/**
* VarInt Encode operation
*/
class VarIntEncode extends Operation {
/**
* VarIntEncode constructor
*/
constructor() {
super();
this.name = "VarInt Encode";
this.module = "Default";
this.description = "Encodes a Vn integer as a VarInt. VarInt is an efficient way of encoding variable length integers and is commonly used with Protobuf.";
this.infoURL = "https://developers.google.com/protocol-buffers/docs/encoding#varints";
this.inputType = "number";
this.outputType = "byteArray";
this.args = [];
}
/**
* @param {number} input
* @param {Object[]} args
* @returns {byteArray}
*/
run(input, args) {
try {
return Protobuf.varIntEncode(input);
} catch (err) {
throw new OperationError(err);
}
}
}
export default VarIntEncode;