CyberChef/src/core/operations/ZlibDeflate.mjs

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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
import {COMPRESSION_TYPE, ZLIB_COMPRESSION_TYPE_LOOKUP} from "../lib/Zlib";
import zlibAndGzip from "zlibjs/bin/zlib_and_gzip.min";
const Zlib = zlibAndGzip.Zlib;
/**
* Zlib Deflate operation
*/
class ZlibDeflate extends Operation {
/**
* ZlibDeflate constructor
*/
constructor() {
super();
this.name = "Zlib Deflate";
this.module = "Compression";
this.description = "Compresses data using the deflate algorithm adding zlib headers.";
this.inputType = "byteArray";
this.outputType = "byteArray";
this.args = [
{
name: "Compression type",
type: "option",
value: COMPRESSION_TYPE
}
];
}
/**
* @param {byteArray} input
* @param {Object[]} args
* @returns {byteArray}
*/
run(input, args) {
const deflate = new Zlib.Deflate(input, {
compressionType: ZLIB_COMPRESSION_TYPE_LOOKUP[args[0]]
});
return Array.prototype.slice.call(deflate.compress());
}
}
export default ZlibDeflate;