mirror of https://github.com/gchq/CyberChef.git
52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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import gunzip from "zlibjs/bin/gunzip.min.js";
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const Zlib = gunzip.Zlib;
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/**
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* Gunzip operation
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*/
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class Gunzip extends Operation {
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/**
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* Gunzip constructor
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*/
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constructor() {
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super();
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this.name = "Gunzip";
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this.module = "Compression";
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this.description = "Decompresses data which has been compressed using the deflate algorithm with gzip headers.";
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this.infoURL = "https://wikipedia.org/wiki/Gzip";
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this.inputType = "ArrayBuffer";
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this.outputType = "ArrayBuffer";
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this.args = [];
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this.checks = [
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{
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pattern: "^\\x1f\\x8b\\x08",
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flags: "",
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args: []
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}
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];
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}
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/**
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* @param {ArrayBuffer} input
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* @param {Object[]} args
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* @returns {File}
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*/
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run(input, args) {
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const gzipObj = new Zlib.Gunzip(new Uint8Array(input));
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return new Uint8Array(gzipObj.decompress()).buffer;
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}
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}
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export default Gunzip;
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