mirror of https://github.com/gchq/CyberChef.git
108 lines
2.9 KiB
JavaScript
108 lines
2.9 KiB
JavaScript
/**
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* @author tomgond [tom.gonda@gmail.com]
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* @copyright Crown Copyright 2024
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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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import moment from "moment-timezone";
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import {DATETIME_FORMATS, FORMAT_EXAMPLES} from "../lib/DateTime.mjs";
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/**
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* DateTime Delta operation
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*/
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class DateTimeDelta extends Operation {
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/**
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* DateTimeDelta constructor
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*/
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constructor() {
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super();
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this.name = "DateTime Delta";
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this.module = "Default";
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this.description = "Calculates a new DateTime value given an input DateTime value and a time difference (delta) from the input DateTime value.";
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this.inputType = "string";
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this.outputType = "html";
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this.args = [
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{
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"name": "Built in formats",
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"type": "populateOption",
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"value": DATETIME_FORMATS,
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"target": 1
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},
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{
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"name": "Input format string",
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"type": "binaryString",
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"value": "DD/MM/YYYY HH:mm:ss"
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},
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{
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"name": "Time Operation",
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"type": "option",
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"value": ["Add", "Subtract"]
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},
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{
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"name": "Days",
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"type": "number",
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"value": 0
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},
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{
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"name": "Hours",
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"type": "number",
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"value": 0
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},
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{
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"name": "Minutes",
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"type": "number",
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"value": 0
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},
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{
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"name": "Seconds",
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"type": "number",
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"value": 0
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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 inputTimezone = "UTC";
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const inputFormat = args[1];
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const operationType = args[2];
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const daysDelta = args[3];
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const hoursDelta = args[4];
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const minutesDelta = args[5];
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const secondsDelta = args[6];
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let date = "";
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try {
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date = moment.tz(input, inputFormat, inputTimezone);
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if (!date || date.format() === "Invalid date") throw Error;
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} catch (err) {
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return `Invalid format.\n\n${FORMAT_EXAMPLES}`;
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}
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let newDate;
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if (operationType === "Add") {
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newDate = date.add(daysDelta, "days")
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.add(hoursDelta, "hours")
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.add(minutesDelta, "minutes")
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.add(secondsDelta, "seconds");
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} else {
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newDate = date.add(-daysDelta, "days")
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.add(-hoursDelta, "hours")
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.add(-minutesDelta, "minutes")
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.add(-secondsDelta, "seconds");
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}
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return newDate.tz(inputTimezone).format(inputFormat.replace(/[<>]/g, ""));
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}
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}
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export default DateTimeDelta;
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