CyberChef/src/core/operations/ToMessagePack.mjs

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/**
* @author Matt C [matt@artemisbot.uk]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
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import notepack from "notepack.io";
import { isWorkerEnvironment } from "../Utils.mjs";
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/**
* To MessagePack operation
*/
class ToMessagePack extends Operation {
/**
* ToMessagePack constructor
*/
constructor() {
super();
this.name = "To MessagePack";
this.module = "Code";
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this.description = "Converts JSON to MessagePack encoded byte buffer. 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";
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this.inputType = "JSON";
this.outputType = "ArrayBuffer";
this.args = [];
}
/**
* @param {JSON} input
* @param {Object[]} args
* @returns {ArrayBuffer}
*/
run(input, args) {
try {
if (isWorkerEnvironment()) {
return notepack.encode(input);
} else {
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const res = notepack.encode(input);
// Safely convert from Node Buffer to ArrayBuffer using the correct view of the data
return (new Uint8Array(res)).buffer;
}
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} catch (err) {
throw new OperationError(`Could not encode JSON to MessagePack: ${err}`);
}
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}
}
export default ToMessagePack;