ASP.NET Tutorial/File Directory/Access Control

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Access Control List information (C#)

<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Security.AccessControl" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        System.Security.AccessControl.FileSecurity sec = File.GetAccessControl(Server.MapPath("Data.txt"));
        
        this.Label1.Text = sec.GetOwner( typeof(System.Security.Principal.NTAccount) ).Value;
      
        AuthorizationRuleCollection auth = sec.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount));
        TableCell tc;
        foreach (FileSystemAccessRule r in auth)
        {
            TableRow tr = new TableRow();
            
            tc = new TableCell();
            tc.Text = r.AccessControlType.ToString(); 
            tr.Cells.Add(tc);
            tc = new TableCell();
            tc.Text = r.IdentityReference.Value; 
            tr.Cells.Add(tc);
            tc = new TableCell();
            tc.Text = r.InheritanceFlags.ToString();
            tr.Cells.Add(tc);
            tc = new TableCell();
            tc.Text = r.IsInherited.ToString();
            tr.Cells.Add(tc);
            tc = new TableCell();
            tc.Text = r.PropagationFlags.ToString();
            tr.Cells.Add(tc);
            tc = new TableCell();
            tc.Text = r.FileSystemRights.ToString();
            tr.Cells.Add(tc);
            Table1.Rows.Add(tr);
        }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <b>File Owner:</b>
              <asp:Label ID="Label1" runat="server" Text="Label" />        
        
        Access Rules:<br />
        <asp:Table ID="Table1" runat="server" CellPadding="2" GridLines="Both">
            <asp:TableRow>
                <asp:TableHeaderCell>Control Type</asp:TableHeaderCell>
                <asp:TableHeaderCell>Identity</asp:TableHeaderCell>
                <asp:TableHeaderCell>Inheritance Flags</asp:TableHeaderCell>
                <asp:TableHeaderCell>Is Inherited</asp:TableHeaderCell>
                <asp:TableHeaderCell>Propagation Flags</asp:TableHeaderCell>     
                <asp:TableHeaderCell>File System Rights</asp:TableHeaderCell>
            </asp:TableRow>
        </asp:Table>
                
    
    </div>
    </form>
</body>
</html>


Access Control List information (VB)

<%@ Page Language="VB" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Security.AccessControl" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim sec As System.Security.AccessControl.FileSecurity = System.IO.File.GetAccessControl(Server.MapPath("TextFile.txt"))
        
        Me.Label1.Text = sec.GetOwner(System.Type.GetType("System.Security.Principal.NTAccount")).Value
      
        Dim auth As AuthorizationRuleCollection = sec.GetAccessRules(True, True, System.Type.GetType("System.Security.Principal.NTAccount"))
        Dim tc As TableCell
        For Each r As FileSystemAccessRule In auth
        
            Dim tr As New TableRow()
            
            tc = New TableCell()
            tc.Text = r.AccessControlType.ToString()
            tr.Cells.Add(tc)
            tc = New TableCell()
            tc.Text = r.IdentityReference.Value
            tr.Cells.Add(tc)
            tc = New TableCell()
            tc.Text = r.InheritanceFlags.ToString()
            tr.Cells.Add(tc)
            tc = New TableCell()
            tc.Text = r.IsInherited.ToString()
            tr.Cells.Add(tc)
            tc = New TableCell()
            tc.Text = r.PropagationFlags.ToString()
            tr.Cells.Add(tc)
            tc = New TableCell()
            tc.Text = r.FileSystemRights.ToString()
            tr.Cells.Add(tc)
            Table1.Rows.Add(tr)
        Next
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <b>File Owner:</b>
              <asp:Label ID="Label1" runat="server" Text="Label" />        
        
        Access Rules:<br />
        <asp:Table ID="Table1" runat="server" CellPadding="2" GridLines="Both">
            <asp:TableRow>
                <asp:TableHeaderCell>Control Type</asp:TableHeaderCell>
                <asp:TableHeaderCell>Identity</asp:TableHeaderCell>
                <asp:TableHeaderCell>Inheritance Flags</asp:TableHeaderCell>
                <asp:TableHeaderCell>Is Inherited</asp:TableHeaderCell>
                <asp:TableHeaderCell>Propagation Flags</asp:TableHeaderCell>     
                <asp:TableHeaderCell>File System Rights</asp:TableHeaderCell>
            </asp:TableRow>
        </asp:Table>
                
    
    </div>
    </form>
</body>
</html>


Adding a rule to the Access Control List (C#)

<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        System.Security.AccessControl.FileSecurity sec =
         System.IO.File.GetAccessControl(Server.MapPath("Data.txt"));
        sec.AddAccessRule(
                 new System.Security.AccessControl.FileSystemAccessRule(
                          @"DEMOXP\TestUser",
                          System.Security.AccessControl.FileSystemRights.FullControl,
                          System.Security.AccessControl.AccessControlType.Allow
                          )
                 );
        File.SetAccessControl(Server.MapPath("TextFile.txt"), sec);
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>


Adding a rule to the Access Control List (VB)

<%@ Page Language="VB" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim sec As System.Security.AccessControl.FileSecurity = _
         System.IO.File.GetAccessControl(Server.MapPath("Data.txt"))
        sec.AddAccessRule( _
                 New System.Security.AccessControl.FileSystemAccessRule( _
                          "DEMOXP\TestUser", _
                          System.Security.AccessControl.FileSystemRights.FullControl, _
                          System.Security.AccessControl.AccessControlType.Allow _
                          ) _
                 )
        File.SetAccessControl(Server.MapPath("Data.txt"), sec)
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>


Removing the rule from the Access Control List (C#)

<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        System.Security.AccessControl.FileSecurity sec =
         File.GetAccessControl(Server.MapPath("Data.txt"));
        sec.RemoveAccessRule(
                 new System.Security.AccessControl.FileSystemAccessRule(
                          @"DEMOXP\TestUser",
                          System.Security.AccessControl.FileSystemRights.FullControl,
                          System.Security.AccessControl.AccessControlType.Allow)
                 );
        File.SetAccessControl(Server.MapPath("Data.txt"), sec);
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>


Removing the rule from the Access Control List (VB)

<%@ Page Language="VB" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim sec As System.Security.AccessControl.FileSecurity = _
         System.IO.File.GetAccessControl(Server.MapPath("Data.txt"))
        sec.RemoveAccessRule( _
                 New System.Security.AccessControl.FileSystemAccessRule( _
                          "DEMOXP\TestUser", _
                          System.Security.AccessControl.FileSystemRights.FullControl, _
                          System.Security.AccessControl.AccessControlType.Allow _
                          ) _
                 )
        File.SetAccessControl(Server.MapPath("Data.txt"), sec)
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/File_Directory/Access_Control&oldid=2998»