XMLOps/Clear-CiPolicy_Semantic.psm1
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Function Clear-CiPolicy_Semantic { <# .SYNOPSIS Clears the CI Policy XML file from all nodes except the base nodes According to the CI Schema It clears any XML file to make it usable as a template for MDE AH CI Policy .PARAMETER Path The path to the XML file to be processed .INPUTS System.IO.FileInfo .OUTPUTS System.Void #> [CmdletBinding()] [OutputType([System.Void])] param ( [Parameter(Mandatory = $true)][System.IO.FileInfo]$Path ) Begin { . "$([WDACConfig.GlobalVars]::ModuleRootPath)\CoreExt\PSDefaultParameterValues.ps1" # Load the XML file [System.Xml.XmlDocument]$Xml = Get-Content -Path $Path [System.Xml.XmlNamespaceManager]$Ns = New-Object -TypeName System.Xml.XmlNamespaceManager -ArgumentList $Xml.NameTable $Ns.AddNamespace('ns', 'urn:schemas-microsoft-com:sipolicy') } Process { # Defining the Nodes to keep and clear, according to the CI Schema $NodesToClear = [ordered]@{ EKUs = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:EKUs', $Ns) FileRules = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:FileRules', $Ns) Signers = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:Signers', $Ns) UMCI_ProductSigners_Node = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:SigningScenarios/ns:SigningScenario[@Value="12"]/ns:ProductSigners', $Ns) KMCI_ProductSigners_Node = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:SigningScenarios/ns:SigningScenario[@Value="131"]/ns:ProductSigners', $Ns) UMCI_SigningScenario_ProductSigners_FileRulesRef_Node = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:SigningScenarios/ns:SigningScenario[@Value="12"]/ns:ProductSigners/ns:FileRulesRef', $Ns) KMCI_SigningScenario_ProductSigners_FileRulesRef_Node = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:SigningScenarios/ns:SigningScenario[@Value="131"]/ns:ProductSigners/ns:FileRulesRef', $Ns) UpdatePolicySignersNode = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:UpdatePolicySigners', $Ns) CiSignersNode = [System.Xml.XmlElement]$Xml.SelectSingleNode('//ns:CiSigners', $Ns) } foreach ($MainNode in $NodesToClear.Keys) { # Get the current node [System.Xml.XmlElement]$CurrentNode = $NodesToClear[$MainNode] if ($Null -ne $CurrentNode) { # Remove all child nodes while ($CurrentNode.HasChildNodes) { [System.Void]$CurrentNode.RemoveChild($CurrentNode.FirstChild) } # Set the node to self close $CurrentNode.IsEmpty = $true } } } End { # Save the modified XML back to the file $Xml.Save($Path) } } Export-ModuleMember -Function 'Clear-CiPolicy_Semantic' |