仅授予特定用户对S3存储桶的访问权限，无公共访问权限

user672009 发表于 Dev

用户672009

我正在尝试配置S3存储桶，以便仅特定用户而不是公众可以访问它。

我创建了一个名为s3-injury-log的用户，并创建了以下存储桶策略

{
    "Id": "Policy1542998309644",
    "Version": "2012-10-17",
    "Statement": [{
        "Sid": "Stmt1542998308012",
        "Action": "s3:*",
        "Effect": "Allow",
        "Resource": "arn:aws:s3:::injury-log",
        "Principal": {
            "AWS": ["arn:aws:iam::058842494618:user/s3-injury-log"]
        }
    }]
}

我的“阻止所有公共访问”选项卡如下

Block all public access - Off
Block public access to buckets and objects granted through new access control lists (ACLs) - On
Block public access to buckets and objects granted through any access control lists (ACLs) - On
Block public access to buckets and objects granted through new public bucket policies - Off
Block public and cross-account access to buckets and objects through any public bucket policies - Off

但是当尝试将对象放入存储桶（使用aws java库）时，出现以下错误消息

Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: CC71A7EFAFC9BBDB; S3 Extended Request ID: klrwopIIJK3PsJzEw

任何线索我在做什么错？

维基奥尔

您的策略似乎不正确，仅允许执行存储桶级操作。因此，PutObject操作被拒绝，这是对象级别的。

只需更新您的策略即可允许对象级操作：

{
    "Id": "Policy1542998309644",
    "Version": "2012-10-17",
    "Statement": [{
        "Sid": "Stmt1542998308012",
        "Action": "s3:*",
        "Effect": "Allow",
        "Resource": [
            "arn:aws:s3:::injury-log",
            "arn:aws:s3:::injury-log/*"
        ]
        "Principal": {
            "AWS": ["arn:aws:iam::058842494618:user/s3-injury-log"]
        }
    }]
}

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