mirror of
https://github.com/gchq/CyberChef.git
synced 2024-11-16 08:58:30 +01:00
50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
/**
|
|
* @author n1474335 [n1474335@gmail.com]
|
|
* @copyright Crown Copyright 2016
|
|
* @license Apache-2.0
|
|
*/
|
|
|
|
import Operation from "../Operation";
|
|
import crypto from "crypto";
|
|
|
|
/**
|
|
* Generate UUID operation
|
|
*/
|
|
class GenerateUUID extends Operation {
|
|
|
|
/**
|
|
* GenerateUUID constructor
|
|
*/
|
|
constructor() {
|
|
super();
|
|
|
|
this.name = "Generate UUID";
|
|
this.module = "Crypto";
|
|
this.description = "Generates an RFC 4122 version 4 compliant Universally Unique Identifier (UUID), also known as a Globally Unique Identifier (GUID).<br><br>A version 4 UUID relies on random numbers, in this case generated using <code>window.crypto</code> if available and falling back to <code>Math.random</code> if not.";
|
|
this.infoURL = "https://wikipedia.org/wiki/Universally_unique_identifier";
|
|
this.inputType = "string";
|
|
this.outputType = "string";
|
|
this.args = [];
|
|
}
|
|
|
|
/**
|
|
* @param {string} input
|
|
* @param {Object[]} args
|
|
* @returns {string}
|
|
*/
|
|
run(input, args) {
|
|
const buf = new Uint32Array(4).map(() => {
|
|
return crypto.randomBytes(4).readUInt32BE(0, true);
|
|
});
|
|
let i = 0;
|
|
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
|
|
const r = (buf[i >> 3] >> ((i % 8) * 4)) & 0xf,
|
|
v = c === "x" ? r : (r & 0x3 | 0x8);
|
|
i++;
|
|
return v.toString(16);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
export default GenerateUUID;
|