jgaunt/CyberChef
2
0
Fork 0
mirror of https://github.com/gchq/CyberChef synced 2025-12-19 17:53:34 +00:00
Code Issues Releases Wiki Activity

Cleaned up Base62 ops and updated CHANGELOG

Browse Source
This commit is contained in:
n1474335
2018-12-18 12:19:42 +00:00
parent 22454ae842
commit d89d79116c
5 changed files with 40 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/core/operations/FromBase62.mjs
View File

@@ -22,21 +22,27 @@ class FromBase62 extends Operation {
this.name = "From Base62";
this.module = "Default";
this.description = "decode base62 string";
this.infoURL = "https://en.wikipedia.org/wiki/List_of_numeral_systems";
this.description = "Base62 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers. The high number base results in shorter strings than with the decimal or hexadecimal system.";
this.infoURL = "https://wikipedia.org/wiki/List_of_numeral_systems";
this.inputType = "string";
this.outputType = "string";
this.args = [];
this.outputType = "byteArray";
this.args = [
{
name: "Alphabet",
type: "string",
value: "0-9A-Za-z"
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
* @returns {byteArray}
*/
run(input, args) {
if (input.length < 1) return "";
const ALPHABET = Utils.expandAlphRange("0-9A-Za-z").join("");
if (input.length < 1) return [];
const ALPHABET = Utils.expandAlphRange(args[0]).join("");
const BN = BigNumber.clone({ ALPHABET });
const re = new RegExp("[^" + ALPHABET.replace(/[[\]\\\-^$]/g, "\\$&") + "]", "g");
@@ -44,7 +50,7 @@ class FromBase62 extends Operation {
const number = new BN(input, 62);
return Utils.byteArrayToUtf8(Utils.convertToByteArray(number.toString(16), "Hex"));
return Utils.convertToByteArray(number.toString(16), "Hex");
}
}