mirror of https://github.com/gchq/CyberChef.git
83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
/**
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* @author Matt C [matt@artemisbot.uk]
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* @copyright Crown Copyright 2017
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import Utils from "../Utils";
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import {DELIM_OPTIONS} from "../lib/Delim";
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/**
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* From Octal operation
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*/
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class FromOctal extends Operation {
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/**
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* FromOctal constructor
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*/
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constructor() {
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super();
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this.name = "From Octal";
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this.module = "Default";
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this.description = "Converts an octal byte string back into its raw value.<br><br>e.g. <code>316 223 316 265 316 271 316 254 40 317 203 316 277 317 205</code> becomes the UTF-8 encoded string <code>Γειά σου</code>";
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this.infoURL = "https://wikipedia.org/wiki/Octal";
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this.inputType = "string";
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this.outputType = "byteArray";
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this.args = [
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{
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"name": "Delimiter",
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"type": "option",
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"value": DELIM_OPTIONS
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}
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];
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this.patterns = [
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?: (?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["Space"]
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},
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?:,(?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["Comma"]
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},
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?:;(?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["Semi-colon"]
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},
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?::(?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["Colon"]
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},
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?:\\n(?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["Line feed"]
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},
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{
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match: "^(?:[0-7]{1,2}|[123][0-7]{2})(?:\\r\\n(?:[0-7]{1,2}|[123][0-7]{2}))*$",
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flags: "",
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args: ["CRLF"]
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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 {byteArray}
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*/
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run(input, args) {
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const delim = Utils.charRep(args[0] || "Space");
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if (input.length === 0) return [];
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return input.split(delim).map(val => parseInt(val, 8));
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}
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}
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export default FromOctal;
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