@aikidosec/firewall/ratelimiting/getRateLimitedEndpoint.js

Zen by Aikido is an embedded Web Application Firewall that autonomously protects Node.js apps against common and critical attacks

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getRateLimitedEndpoint = getRateLimitedEndpoint;
function getRateLimitedEndpoint(context, config) {
    const matches = config
        .getEndpoints(context)
        .filter((m) => m.rateLimiting && m.rateLimiting.enabled);
    if (matches.length === 0) {
        return undefined;
    }
    const exact = matches.find((m) => m.route === context.route);
    if (exact) {
        return exact;
    }
    matches.sort((a, b) => {
        const aRate = a.rateLimiting.maxRequests / a.rateLimiting.windowSizeInMS;
        const bRate = b.rateLimiting.maxRequests / b.rateLimiting.windowSizeInMS;
        return aRate - bRate;
    });
    return matches[0];
}