@canmertinyo/rate-limiter-mongo
Version:
A simple rate-limiting middleware for Express.js with support for in-memory, Redis, and MongoDB storage
84 lines (83 loc) • 3.49 kB
JavaScript
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MongoStorage = void 0;
const mongoose_1 = require("mongoose");
const rate_limit_schema_1 = require("./schemas/rate-limit.schema");
class MongoStorage {
constructor(uri = "mongodb://localhost:27017/rate-limits", options) {
this.uri = uri;
this.options = options;
this.model = rate_limit_schema_1.RateLimitModel;
}
initialize() {
return __awaiter(this, void 0, void 0, function* () {
yield mongoose_1.default.connect(this.uri, this.options);
return this;
});
}
getRateLimitRecord(key) {
return __awaiter(this, void 0, void 0, function* () {
const record = yield this.model.findOne({ key });
if (!record)
return;
var _a = record.toObject(), { _id } = _a, object = __rest(_a, ["_id"]);
return record ? object : undefined;
});
}
createRateLimitRecord(record) {
return __awaiter(this, void 0, void 0, function* () {
const newRecord = yield this.model.create(record);
newRecord.save();
var _a = newRecord.toObject(), { _id } = _a, object = __rest(_a, ["_id"]);
return object;
});
}
updateRateLimitRecord(key, timestamp, count) {
return __awaiter(this, void 0, void 0, function* () {
const record = yield this.model.findOneAndUpdate({ key }, {
timestamp,
count,
}, {
new: true,
});
if (!record) {
throw new Error("No record found.");
}
var _a = record.toObject(), { _id } = _a, object = __rest(_a, ["_id"]);
return object;
});
}
increment(key) {
return __awaiter(this, void 0, void 0, function* () {
const record = yield this.model.findOneAndUpdate({ key }, { $inc: { count: 1 } }, {
new: true,
});
if (!record) {
throw new Error("No record found to increment.");
}
var _a = record.toObject(), { _id } = _a, object = __rest(_a, ["_id"]);
return object;
});
}
}
exports.MongoStorage = MongoStorage;