mirror of https://github.com/gchq/CyberChef.git
93 lines
2.7 KiB
JavaScript
93 lines
2.7 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";
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import moment from "moment-timezone";
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import {UNITS} from "../lib/DateTime";
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import OperationError from "../errors/OperationError";
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/**
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* From UNIX Timestamp operation
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*/
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class FromUNIXTimestamp extends Operation {
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/**
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* FromUNIXTimestamp constructor
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*/
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constructor() {
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super();
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this.name = "From UNIX Timestamp";
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this.module = "Default";
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this.description = "Converts a UNIX timestamp to a datetime string.<br><br>e.g. <code>978346800</code> becomes <code>Mon 1 January 2001 11:00:00 UTC</code><br><br>A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).";
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this.infoURL = "https://wikipedia.org/wiki/Unix_time";
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this.inputType = "number";
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this.outputType = "string";
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this.args = [
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{
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"name": "Units",
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"type": "option",
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"value": UNITS
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}
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];
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this.patterns = [
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{
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match: "^1?\\d{9}$",
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flags: "",
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args: ["Seconds (s)"]
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},
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{
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match: "^1?\\d{12}$",
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flags: "",
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args: ["Milliseconds (ms)"]
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},
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{
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match: "^1?\\d{15}$",
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flags: "",
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args: ["Microseconds (μs)"]
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},
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{
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match: "^1?\\d{18}$",
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flags: "",
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args: ["Nanoseconds (ns)"]
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},
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];
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}
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/**
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* @param {number} input
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* @param {Object[]} args
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* @returns {string}
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*
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* @throws {OperationError} if invalid unit
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*/
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run(input, args) {
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const units = args[0];
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let d;
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input = parseFloat(input);
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if (units === "Seconds (s)") {
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d = moment.unix(input);
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return d.tz("UTC").format("ddd D MMMM YYYY HH:mm:ss") + " UTC";
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} else if (units === "Milliseconds (ms)") {
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d = moment(input);
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return d.tz("UTC").format("ddd D MMMM YYYY HH:mm:ss.SSS") + " UTC";
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} else if (units === "Microseconds (μs)") {
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d = moment(input / 1000);
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return d.tz("UTC").format("ddd D MMMM YYYY HH:mm:ss.SSS") + " UTC";
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} else if (units === "Nanoseconds (ns)") {
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d = moment(input / 1000000);
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return d.tz("UTC").format("ddd D MMMM YYYY HH:mm:ss.SSS") + " UTC";
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} else {
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throw new OperationError("Unrecognised unit");
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}
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}
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}
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export default FromUNIXTimestamp;
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