S3 List and Put Only

gistfile1.json

{
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "s3:*",
      "Resource": ["arn:aws:s3:::{YOUR-BUCKET-NAME-WITHOUT-BRACES}/*"]
    },
    {
       "Effect": "Allow",
       "Action": [ "s3:ListAllMyBuckets", "s3:PutObject" ],
       "Resource": "*",
       "Condition": {}
    }
  ]
}