43 lines
863 B
TypeScript
43 lines
863 B
TypeScript
interface Signature {
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hash: string;
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iat: Date;
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}
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class Blacklist {
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private _signatures: Signature[];
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public constructor () {
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this._signatures = [];
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}
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public clear_before (date: Date) {
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for (let i = this._signatures.length - 1; i >= 0; i--) {
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if (this._signatures[i].iat < date)
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this._signatures.splice (i, 1);
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}
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}
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public add_signature (hash: string) {
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this._signatures.push ({ iat: (new Date), hash });
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}
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public remove_signature (hash:string) {
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for (let i = this._signatures.length - 1; i >= 0; i--) {
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if (this._signatures[i].hash === hash)
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this._signatures.splice (i, 1);
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}
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}
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public is_valid (hash: string) {
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for (const sig of this._signatures) {
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if (sig.hash === hash)
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return false;
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}
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return true;
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}
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}
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const bl = (new Blacklist);
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export default bl;
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