Restrict user access to a specified bucket on Amazon S3

policy.json

{
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "s3:ListAllMyBuckets",
        "s3:ListBucket",
        "s3:GetBucketLocation"
      ],
      "Resource": "arn:aws:s3:::*"
    },
    {
      "Effect": "Deny",
      "Action": [
        "s3:ListBucket"
      ],
      "NotResource": [
        "arn:aws:s3:::bucket1",
        "arn:aws:s3:::bucket1/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "s3:*"
      ],
      "Resource": [
        "arn:aws:s3:::bucket1",
        "arn:aws:s3:::bucket1/*"
      ]
    }
  ]
}