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S3 Security Policy for Bucket while allowing signed urls

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ackerchez

ugh, bucket policies.

I am trying to write a bucket security policy that would keep an outsider from listing the structure and data in the bucket but at the time my AWS users needs to be able to pull/put objects and create signed URLs to media files (some of these are audio files which need to be streamed).

I have turned off public access to the bucket and created a bucket policy that looks like this:

{
        "Sid": "Stmt1625604135648",
        "Effect": "Allow",
        "Principal": "*",
        "Action": [
            "s3:GetObject",
            "s3:PutObject",
            "s3:GetObjectAcl",
            "s3:PutObjectAcl"
        ],
        "Resource": "arn:aws:s3:::mediaBucket/*"
    }

but every time I try to use the AWS PHP library to push an object into a bucket or create a signed URL for a specific resource I am getting access denied errors.

What am I doing wrong here?

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