```
{
  "Version": "2012-10-17",
  "Statement": [
	{
	  "Action": ["s3:ListBucket"],
	  "Effect": "Allow",
	  "Resource": ["arn:aws:s3:::mybucket"],
	  "Condition": {"StringLike": {"s3:prefix": ["${aws:username}/*"]}}
	},
	{
	  "Action": [
		"s3:GetObject",
		"s3:PutObject"
	  ],
	  "Effect": "Allow",
	  "Resource": ["arn:aws:s3:::mybucket/${aws:username}/*"]
	}
  ]