AWS S3 Sample Policy

gistfile1.json

{
"Version": "2008-10-17",
"Id": "my-id",
"Statement": [
    {
        "Sid": "Allow get requests to specific referrers",
        "Effect": "Allow",
        "Principal": {
            "AWS": "*"
        },
        "Action": "s3:GetObject",
        "Resource": "arn:aws:s3:::bucketname/*",
        "Condition": {
            "StringLike": {
                "aws:Referer": "http://sitename.com/"
            }
        }
    },
    {
        "Sid": "Allow CloudFront get requests",
        "Effect": "Allow",
        "Principal": {
            "AWS": "arn:aws:iam::amazonaccountid:root"
        },
        "Action": "s3:GetObject",
        "Resource": "arn:aws:s3:::bucketname/*"
    }
]
}