policy_for_home.json

        {
            "Sid": "Stmt1532888889",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::mywebsite/home.html",
            "Condition": {
                "StringLike": {
                    "aws:Referer": "http://mywebsite.s3-website-us-east-1.amazonaws.com/index.html"
                },
                "Null": {
                    "aws:Referer": "false"
                }
            }
        }