38 lines
994 B
TypeScript
38 lines
994 B
TypeScript
/*
|
|
* Copyright (C) Sapphirecode - All Rights Reserved
|
|
* This file is part of Auth-Server-Helper which is released under MIT.
|
|
* See file 'LICENSE' for full license details.
|
|
* Created by Timo Hocker <timo@scode.ovh>, December 2020
|
|
*/
|
|
|
|
import { create_salt } from '@sapphirecode/crypto-helper';
|
|
|
|
class KeyStore {
|
|
private _keys: Record<string, string> = {};
|
|
|
|
public get_key (iat: number, valid_for = 0): string {
|
|
const key = Math.floor (iat / 60)
|
|
.toFixed (0);
|
|
|
|
if (typeof this._keys[key] === 'string')
|
|
return this._keys[key];
|
|
|
|
if (valid_for !== 0) {
|
|
if ((iat + valid_for) * 1000 < (new Date)
|
|
.getTime ())
|
|
throw new Error ('cannot create already expired keys');
|
|
|
|
this._keys[key] = create_salt ();
|
|
setTimeout (() => {
|
|
delete this._keys[key];
|
|
}, (valid_for + 5) * 1000);
|
|
return this._keys[key];
|
|
}
|
|
|
|
throw new Error ('key could not be found');
|
|
}
|
|
}
|
|
|
|
const ks: KeyStore = (new KeyStore);
|
|
export default ks;
|