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Amazon S3存储桶策略将putObject权限拒绝给除一个用户之外的所有用户

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我的目标是允许一个用户将对象放入s3存储桶 . 我想过应用一个存储桶策略 . 我知道你不能拒绝PutObjects给所有用户,然后通过允许所需的用户覆盖它 . 我原本希望使用条件“ArnNotEquals”从拒绝策略声明中排除单个用户:

"Statement": [
    {
        "Sid": "allow only OneUser to put objects",
        "Effect": "Deny",
        "Principal": {
            "AWS": "*"
        },
        "Action": "s3:PutObject",
        "Resource": "arn:aws:s3:::myBucket/*",
        "Condition": {
            "ArnNotEquals": {
                "aws:SourceArn": "arn:aws:iam::123456789012:user/OneUser"
            }
        }
    }
]

但是,这会导致将PutObjects拒绝给所有用户 . 我在正确的轨道上吗?我可以为此制定一个桶策略吗?或者我是否需要寻找其他地方,如ACL(Access Control List)?

2 回答

  • 5

    执行此操作的方法是使用NotPrincipal policy元素 . 它允许您将策略应用于除特定列表之外的所有原则 . 您的政策将成为:

    "Statement": [
        {
            "Sid": "allow only OneUser to put objects",
            "Effect": "Deny",
            "NotPrincipal": {
                "AWS": "arn:aws:iam::123456789012:user/OneUser"
            },
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::myBucket/*"
        }
    ]
    
  • 0

    试试这样.. SourceArn→Arn

    "Statement": [
        {
            "Sid": "allow only OneUser to put objects",
            "Effect": "Deny",
            "Principal": {
                "AWS": "*"
            },
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::myBucket/*",
            "Condition": {
                "ArnNotEquals": {
                    "aws:Arn": "arn:aws:iam::123456789012:user/OneUser"
                }
            }
        }
    ]
    

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