Implement Amazon S3 in BuddyPress (avatar + cover image) code -- 2

Hi,, I am using BuddyPress on my WordPress site. The user can change their avatar + cover image through BuddyPress. I need that: 1. When users upload their images, the images stored on Amazon S3 2. The (avatar +cover image) will use new S3 URL. To make it easier. I need a piece of code, that I can put on my php page. Part 1: This code lets the user change their avatar by upload the image to s3. Part 2: This code lets the user change their cover image by upload the image to s3. --------- I am using wordpress Version 4.8.2. Thank you, and I hoe wone can help.