Rate Limit Attack Simulator

Production Code (Java)

// From paygate/AmunPaygate - KoiRateLimiter.java
public class KoiRateLimiter extends BaseLoggable {

    public boolean checkUserIsBlocked(String username, String ipAddress, String action) {
        boolean enableRateLimiting = getConfig().getBoolean("enableRateLimiting", false);
        if (enableRateLimiting) {
            String rateLimitingUrl = getConfig().getString("rateLimitingUrl", "");
            PuObject body = new PuObject();
            body.setString("ipAddress", ipAddress);
            body.setString("username", username);
            body.setString("action", action);

            try {
                HttpResponse<String> response = Unirest.post(rateLimitingUrl)
                    .header("Content-Type", "application/json")
                    .body(body.toJSON())
                    .connectTimeout(1000)
                    .asString();

                PuObject result = PuObject.fromJSON(response.getBody());
                int code = result.getInteger("code", 0);
                return code == 1; // 1 = blocked
            } catch (Exception e) {
                getLogger().error("error while check rate limit", e);
            }
        }
        return false;
    }
}