@tigthor/kokocrypt
Version:
Enhanced Fortress Edition - Secure, quantum-resistant, high-performance encryption package
45 lines • 1.69 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ReplayGuard = void 0;
const common_1 = require("@nestjs/common");
let ReplayGuard = class ReplayGuard {
constructor() {
this.window = 30000;
this.seen = new Map();
this.lastCleanup = Date.now();
}
check(ts, nonce) {
const now = Date.now();
if (now - this.lastCleanup > 60000) {
this.cleanup(now);
this.lastCleanup = now;
}
if (Math.abs(now - ts) > this.window) {
return false;
}
const key = `${ts}:${nonce}`;
if (this.seen.has(key)) {
return false;
}
this.seen.set(key, now);
return true;
}
cleanup(now) {
for (const [key, timestamp] of this.seen.entries()) {
if (now - timestamp > this.window) {
this.seen.delete(key);
}
}
}
};
exports.ReplayGuard = ReplayGuard;
exports.ReplayGuard = ReplayGuard = __decorate([
(0, common_1.Injectable)()
], ReplayGuard);
//# sourceMappingURL=replay.guard.js.map