特定のUserAgentの時だけアクセス許可したい時のS3バケットポリシー

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "PublicRead",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::{bucket-name}/*"
        },
        {
            "Sid": "DenyUserAgents",
            "Effect": "Deny",
            "Principal": "*",
            "Action": "s3:GetObject",
            "Resource": "arn:aws:s3:::{bucket-name}/*",
            "Condition": {
                "StringNotEquals": {
                    "aws:UserAgent": "murakami-test"
                }
            }
        }
    ]
}