mirror of https://github.com/gchq/CyberChef.git
79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
/**
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* @author arnydo [github@arnydo.com]
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* @copyright Crown Copyright 2019
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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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/**
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* FangURL operation
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*/
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class FangURL extends Operation {
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/**
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* FangURL constructor
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*/
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constructor() {
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super();
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this.name = "Fang URL";
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this.module = "Default";
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this.description = "Takes a 'Defanged' Universal Resource Locator (URL) and 'Fangs' it. Meaning, it removes the alterations (defanged) that render it useless so that it can be used again.";
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this.infoURL = "https://isc.sans.edu/forums/diary/Defang+all+the+things/22744/";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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name: "Restore [.]",
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type: "boolean",
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value: true
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},
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{
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name: "Restore hxxp",
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type: "boolean",
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value: true
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},
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{
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name: "Restore ://",
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type: "boolean",
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value: true
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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const [dots, http, slashes] = args;
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input = fangURL(input, dots, http, slashes);
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return input;
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}
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}
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/**
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* Defangs a given URL
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*
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* @param {string} url
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* @param {boolean} dots
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* @param {boolean} http
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* @param {boolean} slashes
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* @returns {string}
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*/
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function fangURL(url, dots, http, slashes) {
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if (dots) url = url.replace(/\[\.\]/g, ".");
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if (http) url = url.replace(/hxxp/g, "http");
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if (slashes) url = url.replace(/\[:\/\/\]/g, "://");
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return url;
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}
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export default FangURL;
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