private static PermissionSet RemoveNonReferencedPermissions(string[] setToFilter, ITaskItem[] dependencies)
{
PermissionSet retSet = new PermissionSet(PermissionState.None);
if (dependencies == null || setToFilter == null || setToFilter.Length == 0)
return retSet;
List<string> assemblyNameList = new List<string>();
foreach (ITaskItem dependency in dependencies)
{
AssemblyName dependentAssemblyName = AssemblyName.GetAssemblyName(dependency.ItemSpec);
assemblyNameList.Add(dependentAssemblyName.Name + ", " + dependentAssemblyName.Version.ToString());
}
SecurityElement retSetElement = retSet.ToXml();
foreach (string permissionXml in setToFilter)
{
if (!String.IsNullOrEmpty(permissionXml))
{
string permissionAssemblyName;
string className;
string assemblyVersion;
SecurityElement permission = SecurityElement.FromString(permissionXml);
if (!ParseElementForAssemblyIdentification(permission, out className, out permissionAssemblyName, out assemblyVersion))
continue;
if (assemblyNameList.Contains(permissionAssemblyName + ", " + assemblyVersion))
{
retSetElement.AddChild(SecurityElement.FromString(permissionXml));
}
}
}
retSet = new ReadOnlyPermissionSet(retSetElement);
return retSet;
}
/// <summary>
/// Converts an XmlElement into a PermissionSet object.
/// </summary>
/// <param name="element">An XML representation of the permission set.</param>
/// <returns>The converted permission set.</returns>
public static PermissionSet XmlToPermissionSet(XmlElement element)
{
if (element == null)
return null;
SecurityElement se = XmlElementToSecurityElement(element);
if (se == null)
return null;
PermissionSet ps = new PermissionSet(PermissionState.None);
try
{
ps = new ReadOnlyPermissionSet(se);
}
catch (ArgumentException ex)
{
//UNDONE: Need to log exception thrown from PermissionSet.FromXml
Debug.Fail(String.Format(CultureInfo.CurrentCulture, "PermissionSet.FromXml failed: {0}\r\n\r\n{1}", ex.Message, element.OuterXml));
return null;
}
return ps;
}
public static PermissionSet XmlToPermissionSet(XmlElement element)
{
if (element == null)
{
return null;
}
SecurityElement permissionSetXml = XmlElementToSecurityElement(element);
if (permissionSetXml == null)
{
return null;
}
PermissionSet set = new PermissionSet(PermissionState.None);
try
{
set = new ReadOnlyPermissionSet(permissionSetXml);
}
catch (ArgumentException)
{
return null;
}
return set;
}
