Downloading a copyrighted film from an unauthorized public index is piracy. While the chances of a lawsuit for downloading CJ7 are near zero, your Internet Service Provider (ISP) may send you a warning letter.
Thus, a search for "index of" cj7 is a Boolean hack. The user is telling Google, Bing, or DuckDuckGo: "Show me unprotected server folders that contain a file named 'CJ7'." index of cj7
If you love the alien dog-ball, support the official release. If you just want to see Stephen Chow cry while eating spoiled applesauce while living in a ramshackle house, rent it legally. Your hard drive will thank you. Disclaimer: This article is for informational purposes only. The author does not condone downloading copyrighted material from unverified sources. Downloading a copyrighted film from an unauthorized public