using System;
using System.Runtime.InteropServices;
namespace System.Security.Permissions
{
/// Controls the ability to access files or folders through a File dialog box. This class cannot be inherited.
// Token: 0x02000541 RID: 1345
[ComVisible(true)]
[Serializable]
public sealed class FileDialogPermission : CodeAccessPermission, IBuiltInPermission, IUnrestrictedPermission
{
/// Initializes a new instance of the class with either restricted or unrestricted permission, as specified.
/// One of the values (Unrestricted or None).
/// The parameter is not a valid value of .
// Token: 0x06003131 RID: 12593 RVA: 0x000A9544 File Offset: 0x000A7744
public FileDialogPermission(PermissionState state)
{
if (CodeAccessPermission.CheckPermissionState(state, true) == PermissionState.Unrestricted)
{
this._access = FileDialogPermissionAccess.OpenSave;
}
else
{
this._access = FileDialogPermissionAccess.None;
}
}
/// Initializes a new instance of the class with the specified access.
/// A bitwise combination of the values.
/// The parameter is not a valid combination of the values.
// Token: 0x06003132 RID: 12594 RVA: 0x000A9578 File Offset: 0x000A7778
public FileDialogPermission(FileDialogPermissionAccess access)
{
this.Access = access;
}
// Token: 0x06003133 RID: 12595 RVA: 0x000A9588 File Offset: 0x000A7788
int IBuiltInPermission.GetTokenIndex()
{
return 1;
}
/// Gets or sets the permitted access to files.
/// The permitted access to files.
/// An attempt is made to set the parameter to a value that is not a valid combination of the values.
// Token: 0x170009A0 RID: 2464
// (get) Token: 0x06003134 RID: 12596 RVA: 0x000A958C File Offset: 0x000A778C
// (set) Token: 0x06003135 RID: 12597 RVA: 0x000A9594 File Offset: 0x000A7794
public FileDialogPermissionAccess Access
{
get
{
return this._access;
}
set
{
if (!Enum.IsDefined(typeof(FileDialogPermissionAccess), value))
{
string text = string.Format(Locale.GetText("Invalid enum {0}"), value);
throw new ArgumentException(text, "FileDialogPermissionAccess");
}
this._access = value;
}
}
/// Creates and returns an identical copy of the current permission.
/// A copy of the current permission.
// Token: 0x06003136 RID: 12598 RVA: 0x000A95E4 File Offset: 0x000A77E4
public override IPermission Copy()
{
return new FileDialogPermission(this._access);
}
/// Reconstructs a permission with a specified state from an XML encoding.
/// The XML encoding used to reconstruct the permission.
/// The parameter is null.
/// The parameter is not a valid permission element.-or- The version number of the parameter is not supported.
// Token: 0x06003137 RID: 12599 RVA: 0x000A95F4 File Offset: 0x000A77F4
public override void FromXml(SecurityElement esd)
{
CodeAccessPermission.CheckSecurityElement(esd, "esd", 1, 1);
if (CodeAccessPermission.IsUnrestricted(esd))
{
this._access = FileDialogPermissionAccess.OpenSave;
}
else
{
string text = esd.Attribute("Access");
if (text == null)
{
this._access = FileDialogPermissionAccess.None;
}
else
{
this._access = (FileDialogPermissionAccess)((int)Enum.Parse(typeof(FileDialogPermissionAccess), text));
}
}
}
/// Creates and returns a permission that is the intersection of the current permission and the specified permission.
/// A new permission that represents the intersection of the current permission and the specified permission. This new permission is null if the intersection is empty.
/// A permission to intersect with the current permission. It must be the same type as the current permission.
/// The parameter is not null and is not of the same type as the current permission.
// Token: 0x06003138 RID: 12600 RVA: 0x000A9660 File Offset: 0x000A7860
public override IPermission Intersect(IPermission target)
{
FileDialogPermission fileDialogPermission = this.Cast(target);
if (fileDialogPermission == null)
{
return null;
}
FileDialogPermissionAccess fileDialogPermissionAccess = this._access & fileDialogPermission._access;
return (fileDialogPermissionAccess != FileDialogPermissionAccess.None) ? new FileDialogPermission(fileDialogPermissionAccess) : null;
}
/// Determines whether the current permission is a subset of the specified permission.
/// true if the current permission is a subset of the specified permission; otherwise, false.
/// A permission that is to be tested for the subset relationship. This permission must be the same type as the current permission.
/// The parameter is not null and is not of the same type as the current permission.
// Token: 0x06003139 RID: 12601 RVA: 0x000A96A0 File Offset: 0x000A78A0
public override bool IsSubsetOf(IPermission target)
{
FileDialogPermission fileDialogPermission = this.Cast(target);
return fileDialogPermission != null && (this._access & fileDialogPermission._access) == this._access;
}
/// Returns a value indicating whether the current permission is unrestricted.
/// true if the current permission is unrestricted; otherwise, false.
// Token: 0x0600313A RID: 12602 RVA: 0x000A96D4 File Offset: 0x000A78D4
public bool IsUnrestricted()
{
return this._access == FileDialogPermissionAccess.OpenSave;
}
/// Creates an XML encoding of the permission and its current state.
/// An XML encoding of the permission, including state information.
// Token: 0x0600313B RID: 12603 RVA: 0x000A96E0 File Offset: 0x000A78E0
public override SecurityElement ToXml()
{
SecurityElement securityElement = base.Element(1);
switch (this._access)
{
case FileDialogPermissionAccess.Open:
securityElement.AddAttribute("Access", "Open");
break;
case FileDialogPermissionAccess.Save:
securityElement.AddAttribute("Access", "Save");
break;
case FileDialogPermissionAccess.OpenSave:
securityElement.AddAttribute("Unrestricted", "true");
break;
}
return securityElement;
}
/// Creates a permission that is the union of the current permission and the specified permission.
/// A new permission that represents the union of the current permission and the specified permission.
/// A permission to combine with the current permission. It must be of the same type as the current permission.
/// The parameter is not null and is not of the same type as the current permission.
// Token: 0x0600313C RID: 12604 RVA: 0x000A9758 File Offset: 0x000A7958
public override IPermission Union(IPermission target)
{
FileDialogPermission fileDialogPermission = this.Cast(target);
if (fileDialogPermission == null)
{
return this.Copy();
}
if (this.IsUnrestricted() || fileDialogPermission.IsUnrestricted())
{
return new FileDialogPermission(PermissionState.Unrestricted);
}
return new FileDialogPermission(this._access | fileDialogPermission._access);
}
// Token: 0x0600313D RID: 12605 RVA: 0x000A97AC File Offset: 0x000A79AC
private FileDialogPermission Cast(IPermission target)
{
if (target == null)
{
return null;
}
FileDialogPermission fileDialogPermission = target as FileDialogPermission;
if (fileDialogPermission == null)
{
CodeAccessPermission.ThrowInvalidPermission(target, typeof(FileDialogPermission));
}
return fileDialogPermission;
}
// Token: 0x04001417 RID: 5143
private const int version = 1;
// Token: 0x04001418 RID: 5144
private FileDialogPermissionAccess _access;
}
}