CyberChef/src/core/operations/FromMessagePack.mjs

48 lines
1.2 KiB
JavaScript
Raw Normal View History

2018-08-09 12:09:28 +02:00
/**
* @author Matt C [matt@artemisbot.uk]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
import notepack from "notepack.io";
/**
* From MessagePack operation
*/
class FromMessagePack extends Operation {
/**
* FromMessagePack constructor
*/
constructor() {
super();
this.name = "From MessagePack";
this.module = "Code";
2018-08-21 20:29:19 +02:00
this.description = "Converts MessagePack encoded data to JSON. MessagePack is a computer data interchange format. It is a binary form for representing simple data structures like arrays and associative arrays.";
this.infoURL = "https://wikipedia.org/wiki/MessagePack";
2018-08-09 12:09:28 +02:00
this.inputType = "ArrayBuffer";
this.outputType = "JSON";
this.args = [];
}
/**
* @param {ArrayBuffer} input
2018-08-09 12:09:28 +02:00
* @param {Object[]} args
* @returns {JSON}
*/
run(input, args) {
try {
const buf = Buffer.from(new Uint8Array(input));
return notepack.decode(buf);
2018-08-09 12:09:28 +02:00
} catch (err) {
throw new OperationError(`Could not decode MessagePack to JSON: ${err}`);
2018-08-09 12:09:28 +02:00
}
}
}
export default FromMessagePack;