mirror of https://github.com/gchq/CyberChef.git
72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
/**
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* @author h345983745
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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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* Defang IP Addresses operation
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*/
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class DefangIPAddresses extends Operation {
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/**
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* DefangIPAddresses constructor
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*/
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constructor() {
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super();
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this.name = "Defang IP Addresses";
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this.module = "Default";
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this.description = "Takes a IPv4 or IPv6 address and 'Defangs' it, meaning the IP becomes invalid, removing the risk of accidentally utilising it as an IP address.";
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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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this.checks = [
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{
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pattern: "^\\s*(([0-9]{1,3}\\.){3}[0-9]{1,3}|([0-9a-f]{4}:){7}[0-9a-f]{4})\\s*$",
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flags: "i",
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args: [],
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output: {
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pattern: "^\\s*(([0-9]{1,3}\\[\\.\\]){3}[0-9]{1,3}|([0-9a-f]{4}\\[\\:\\]){7}[0-9a-f]{4})\\s*$",
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flags: "i"
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}
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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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input = input.replace(IPV4_REGEX, x => {
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return x.replace(/\./g, "[.]");
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});
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input = input.replace(IPV6_REGEX, x => {
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return x.replace(/:/g, "[:]");
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});
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return input;
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}
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}
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export default DefangIPAddresses;
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/**
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* IPV4 regular expression
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*/
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const IPV4_REGEX = new RegExp("(?:(?:\\d|[01]?\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d|\\d)(?:\\/\\d{1,2})?", "g");
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/**
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* IPV6 regular expression
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*/
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const IPV6_REGEX = new RegExp("((?=.*::)(?!.*::.+::)(::)?([\\dA-Fa-f]{1,4}:(:|\\b)|){5}|([\\dA-Fa-f]{1,4}:){6})((([\\dA-Fa-f]{1,4}((?!\\3)::|:\\b|(?![\\dA-Fa-f])))|(?!\\2\\3)){2}|(((2[0-4]|1\\d|[1-9])?\\d|25[0-5])\\.?\\b){4})", "g");
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