}

	dnList := r.Form["userDNs"]
	isAll := r.Form.Get("all") == "true"
	selfOnly := !isAll && len(dnList) == 0

	if isAll && len(dnList) > 0 {
		// This should be checked on client side, so return generic error
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	// Empty DN list and not self, list access keys for all users
	if isAll {
		if !globalIAMSys.IsAllowed(policy.Args{

      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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      by such Contributor that are necessarily infringed by their

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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their

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      (except as stated in this section) patent license to make, have made,
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      by such Contributor that are necessarily infringed by their

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      (except as stated in this section) patent license to make, have made,
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      (except as stated in this section) patent license to make, have made,
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      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their