These things change quickly, but this site says it’s on Amazon, but not Netflix:
http://www.denofgeek.com/us/movies/star-wars/269723/star-wars-streaming-watch-online-guide
EDIT: I don’t see anything but English subs though… iTunes also has it but I’m not clear on the subs there either.
Arabic subs are available on iTunes. I would be very surprised if they differ from the Blu Ray though. Let me know which films you want.