/// <summary>
/// Retrieves a particular principal as being the "owner" of the item.
/// </summary>
/// <remarks>Required by OS X.</remarks>
/// <returns>
/// Item that represents owner of this item and implements <see cref="IPrincipalAsync"/>.
/// </returns>
public async Task <IPrincipalAsync> GetOwnerAsync()
{
return(context.FileOperation(
this,
() =>
{
FileSecurity acl = File.GetAccessControl(fileSystemInfo.FullName);
return AclFactory.GetPrincipalFromSid(acl.GetOwner(typeof(SecurityIdentifier)).Value, context);
},
Privilege.Read));
}
/// <summary>
/// Returns instance of <see cref="IPrincipalAsync"/> which represents current user.
/// </summary>
/// <returns>Current user.</returns>
/// <remarks>
/// This method is usually called by the Engine when CalDAV/CardDAV client
/// is trying to discover current user URL.
/// </remarks>
public async Task <IPrincipalAsync> GetCurrentUserPrincipalAsync()
{
// Typically there is no need to load all user properties here, only current
// user ID (or name) is required to form the user URL: [DAVLocation]/acl/users/[UserID]
return(AclFactory.GetPrincipalFromSid(context.WindowsIdentity.User.Value, context));
}