https://docs.amazonaws.cn/en_us/AmazonS3/latest/dev/example-bucket-policies.html
{
"Version": "2012-10-17",
"Statement": [
{
"Action": [
"s3:GetObject"
],
"Effect": "Allow",
"Principal": {
"AWS": [
"*"
]
},
"Resource": [
"arn:aws:s3:::<BUCKET_NAME>/*"
],
"Sid": ""
}
]
}