c# - Securing controller action in ASP.NET MVC -


In order to protect the controller operation, in ASP.NET MVC2, I used a class required key Inherited from action filter attribute class. Controller action looks like 

  [requisition (permissions = "canview")] Public action list () {...}

I have There is a value with permissions 

  public enum permissions {CanDoEdit, CanView, CanInsert}

requirement performance class looks 

  public class requirement display: verb filter attribute {public string permissions; String [] param = {","}; Public override zero OnActionExecuting (ActionExecutingContext FilterContext) {string [] requires submissions = permissions Sample (Ultimate, String Split Option. RemoveEmptyEntries); If (Required. Permissions.Controls (Permissions.Condo Editing.ToString ())) {// Check Permissions} (Required) Presentation (Permissions.Convolution.tostring ()) {// Check Permissions} If necessary (instead of creating different attributes, I want to use the attribute  like  RequirePermission  I / [required permissions (permissions = permissions, .convert + "," + permissions. Cenadit)]  so that I The compiler has thrown the following error. 
 
  An attribute argument is a continuous expression, type expression or an attribute parameter type  < / P>

How about: 

  [flag] public enum permissions { CanDoEdit = 1 & lt; 0, canvue = 1 & lt; 1, CanInsert = 1 & lt; 2}

and then: 

  [required permissions (permissions = permissions. Aँ. Knadit)]

and finally that CanView set to confirm: 

  if ((requirements and permissions. Canview) == Permissions. Conv.) {// user's canvew permission}

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