CyberChef/src/core/operations/Bzip2Decompress.mjs

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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
import bzip2 from "../vendor/bzip2.js";
import OperationError from "../errors/OperationError";
/**
* Bzip2 Decompress operation
*/
class Bzip2Decompress extends Operation {
/**
* Bzip2Decompress constructor
*/
constructor() {
super();
this.name = "Bzip2 Decompress";
this.module = "Compression";
this.description = "Decompresses data using the Bzip2 algorithm.";
this.inputType = "byteArray";
this.outputType = "string";
this.args = [];
this.patterns = [
{
"match": "^\\x42\\x5a\\x68",
"flags": "",
"args": []
}
];
}
/**
* @param {byteArray} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const compressed = new Uint8Array(input);
try {
const bzip2Reader = bzip2.array(compressed);
return bzip2.simple(bzip2Reader);
} catch (err) {
throw new OperationError(err);
}
}
}
export default Bzip2Decompress;