CyberChef/src/core/operations/A1Z26CipherEncode.mjs

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2018-12-14 22:29:51 +01:00
/**
* @author Jarmo van Lenthe [github.com/jarmovanlenthe]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
import {DELIM_OPTIONS} from "../lib/Delim.mjs";
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/**
* A1Z26 Cipher Encode operation
*/
class A1Z26CipherEncode extends Operation {
/**
* A1Z26CipherEncode constructor
*/
constructor() {
super();
this.name = "A1Z26 Cipher Encode";
this.module = "Ciphers";
this.description = "Converts alphabet characters into their corresponding alphabet order number.<br><br>e.g. <code>a</code> becomes <code>1</code> and <code>b</code> becomes <code>2</code>.<br><br>Non-alphabet characters are dropped.";
this.infoURL = "";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
name: "Delimiter",
type: "option",
value: DELIM_OPTIONS
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const delim = Utils.charRep(args[0] || "Space");
let output = "";
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const sanitizedinput = input.toLowerCase(),
charcode = Utils.strToCharcode(sanitizedinput);
for (let i = 0; i < charcode.length; i++) {
const ordinal = charcode[i] - 96;
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if (ordinal > 0 && ordinal <= 26) {
output += ordinal.toString(10) + delim;
}
}
return output.slice(0, -delim.length);
}
}
export default A1Z26CipherEncode;