Checks/Aws/Test-S3BucketPublicAccess.ps1

function Test-S3BucketPublicAccess {
    <#
    .SYNOPSIS
        S3 bucket is not publicly accessible to Everyone or Authenticated Users

    .DESCRIPTION
        **Amazon S3 buckets** are evaluated for **public access** via ACLs and bucket policies. The check identifies account or bucket `PublicAccessBlock` protections (`IgnorePublicAcls`, `RestrictPublicBuckets`) and flags buckets granting group access to `AllUsers` or `AuthenticatedUsers`, or with a public bucket policy.

    .PARAMETER Check
        CIEMCheck object containing check metadata.
    #>

    [CmdletBinding()]
    [OutputType([PSCustomObject[]])]
    param(
        [Parameter(Mandatory)]
        [CIEMCheck]$Check
    )

    $ErrorActionPreference = 'Stop'

    # TODO: Implement check logic based on Prowler check: s3_bucket_public_access

    [CIEMScanResult]::Create($Check, 'MANUAL', 'This check requires manual implementation. See Prowler check s3_bucket_public_access for reference.', 'N/A', 's3 Resources')
}