public virtual bool IsInRole(string role)
{
if (role == null)
{
return(false); // ArgumentNullException
}
if (Environment.IsUnix)
{
// note: Posix is always case-sensitive
return(IsMemberOfGroupName(Token, role));
}
else
{
// Windows specific code that
// (a) build the role cache like the MS framework (for compatibility)
// (b) case sensitive (for Fx 1.0) and case insensitive (later Fx)
if (m_roles == null)
{
m_roles = WindowsIdentity._GetRoles(Token);
}
role = role.ToUpperInvariant();
foreach (string check in m_roles)
{
if ((check != null) && (role == check.ToUpperInvariant()))
{
return(true);
}
}
return(false);
}
}
/// <summary>Determines whether the current principal belongs to the Windows user group with the specified name.</summary>
/// <returns>true if the current principal is a member of the specified Windows user group; otherwise, false.</returns>
/// <param name="role">The name of the Windows user group for which to check membership. </param>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="MemberAccess" />
/// </PermissionSet>
public virtual bool IsInRole(string role)
{
if (role == null)
{
return(false);
}
if (WindowsPrincipal.IsPosix)
{
return(WindowsPrincipal.IsMemberOfGroupName(this.Token, role));
}
if (this.m_roles == null)
{
this.m_roles = WindowsIdentity._GetRoles(this.Token);
}
role = role.ToUpperInvariant();
foreach (string text in this.m_roles)
{
if (text != null && role == text.ToUpperInvariant())
{
return(true);
}
}
return(false);
}