auth-server-helper/lib/Blacklist.ts
Timo Hocker a3f021fdd2
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clearing instances
2021-01-15 14:45:18 +01:00

60 lines
1.3 KiB
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
*/
interface Signature {
hash: string;
iat: number;
}
class Blacklist {
private _signatures: Signature[];
public constructor () {
this._signatures = [];
}
public clear (before: number = Number.POSITIVE_INFINITY):void {
for (let i = this._signatures.length - 1; i >= 0; i--) {
if (this._signatures[i].iat < before)
this._signatures.splice (i, 1);
}
}
public add_signature (hash: string):void {
this._signatures.push ({ iat: Date.now (), hash });
}
public remove_signature (hash:string):void {
for (let i = this._signatures.length - 1; i >= 0; i--) {
if (this._signatures[i].hash === hash)
this._signatures.splice (i, 1);
}
}
public is_valid (hash: string):boolean {
for (const sig of this._signatures) {
if (sig.hash === hash)
return false;
}
return true;
}
public export_blacklist (): Signature[] {
return this._signatures;
}
public import_blacklist (data: Signature[]): void {
this._signatures.push (...data);
}
}
const bl = (new Blacklist);
export { Blacklist };
export default bl;