Using the script to download or public domain content is legal. Using it to circumvent restrictions on copyrighted content you do not own is a violation of most file hosts’ Terms of Service and may be illegal in your jurisdiction.
Before the widespread adoption of modern cloud storage automation, downloading split .rar archives from multi-host file lockers was a painful, time-consuming process involving CAPTCHAs, strict speed throttles, and broken connections. Rapidleech completely bypassed this on the server side. rapidleech v2 rev 46 hot