nestjs-cluster-throttle
Version:
Enterprise-grade rate limiting module for NestJS with Redis support, multiple strategies, and cluster mode
97 lines • 3.67 kB
JavaScript
"use strict";
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;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.InternalGeoProvider = void 0;
const common_1 = require("@nestjs/common");
let InternalGeoProvider = class InternalGeoProvider {
constructor() {
this.ipRanges = new Map();
this.initializeBasicRanges();
}
async lookup(ip) {
try {
const ipNum = this.ipToNumber(ip);
for (const [countryCode, ranges] of this.ipRanges.entries()) {
for (const range of ranges) {
if (ipNum >= range.start && ipNum <= range.end) {
return {
countryCode,
country: range.country,
};
}
}
}
return null;
}
catch (error) {
console.error('Error looking up IP:', error);
return null;
}
}
ipToNumber(ip) {
const parts = ip.split('.');
if (parts.length !== 4) {
throw new Error('Invalid IP address');
}
return parts.reduce((acc, part, index) => {
return acc + (parseInt(part, 10) << (8 * (3 - index)));
}, 0);
}
initializeBasicRanges() {
this.ipRanges.set('US', [
{
start: this.ipToNumber('3.0.0.0'),
end: this.ipToNumber('3.255.255.255'),
country: 'United States',
},
{
start: this.ipToNumber('4.0.0.0'),
end: this.ipToNumber('4.255.255.255'),
country: 'United States',
},
]);
this.ipRanges.set('GB', [
{
start: this.ipToNumber('2.16.0.0'),
end: this.ipToNumber('2.16.255.255'),
country: 'United Kingdom',
},
]);
this.ipRanges.set('XX', [
{
start: this.ipToNumber('127.0.0.0'),
end: this.ipToNumber('127.255.255.255'),
country: 'Localhost',
},
{
start: this.ipToNumber('10.0.0.0'),
end: this.ipToNumber('10.255.255.255'),
country: 'Private',
},
{
start: this.ipToNumber('172.16.0.0'),
end: this.ipToNumber('172.31.255.255'),
country: 'Private',
},
{
start: this.ipToNumber('192.168.0.0'),
end: this.ipToNumber('192.168.255.255'),
country: 'Private',
},
]);
}
};
exports.InternalGeoProvider = InternalGeoProvider;
exports.InternalGeoProvider = InternalGeoProvider = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [])
], InternalGeoProvider);
//# sourceMappingURL=internal-geo.provider.js.map