read-only s3 bucket policy

policy.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Action": [
                "s3:GetBucketLocation",
                "s3:ListBucket"
            ],
            "Effect": "Allow",
            "Principal": {
                "AWS": [
                    "*"
                ]
            },
            "Resource": [
                "arn:aws:s3:::test"
            ],
            "Sid": ""
        },
        {
            "Action": [
                "s3:GetObject"
            ],
            "Effect": "Allow",
            "Principal": {
                "AWS": [
                    "*"
                ]
            },
            "Resource": [
                "arn:aws:s3:::test/*"
            ],
            "Sid": ""
        }
    ]
}