XMLOps/Remove-DuplicateAllowedSignersAndCiSigners_IDBased.psm1
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Function Remove-DuplicateAllowedSignersAndCiSigners_IDBased { <# .SYNOPSIS Removes duplicate SignerIds from the CiSigners and AllowedSigners nodes from each Signing Scenario in a CI policy XML file The criteria for removing duplicates is the SignerId attribute of the CiSigner and AllowedSigner nodes .PARAMETER Path The path to the CI policy XML file .INPUTS System.IO.FileInfo .OUTPUTS System.Void #> [CmdletBinding()] 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 $Path # Create an XmlNamespaceManager for namespace resolution [System.Xml.XmlNamespaceManager]$NsManager = New-Object System.Xml.XmlNamespaceManager -ArgumentList $Xml.NameTable $NsManager.AddNamespace('ns', 'urn:schemas-microsoft-com:sipolicy') Function Remove-DuplicateSignerIds { <# .SYNOPSIS Removes duplicate SignerIds from the given XmlNodeList #> Param( [Parameter(Mandatory = $true)][System.Xml.XmlNodeList]$NodeList ) [System.String[]]$UniqueSignerIds = @() foreach ($Node in $NodeList) { if ($UniqueSignerIds -notcontains $Node.SignerId) { $UniqueSignerIds += $Node.SignerId } else { [System.Void]$Node.ParentNode.RemoveChild($Node) } } } } Process { # Get CiSigners and AllowedSigners nodes [System.Xml.XmlNodeList]$CiSigners = $Xml.SelectNodes('//ns:CiSigners/ns:CiSigner', $NsManager) [System.Xml.XmlNodeList]$AllowedSigners12 = $Xml.SelectNodes('//ns:SigningScenarios/ns:SigningScenario[@Value="12"]/ns:ProductSigners/ns:AllowedSigners/ns:AllowedSigner', $NsManager) [System.Xml.XmlNodeList]$AllowedSigners131 = $Xml.SelectNodes('//ns:SigningScenarios/ns:SigningScenario[@Value="131"]/ns:ProductSigners/ns:AllowedSigners/ns:AllowedSigner', $NsManager) # Remove duplicate signer IDs from CiSigners and AllowedSigners Remove-DuplicateSignerIds $CiSigners Remove-DuplicateSignerIds $AllowedSigners12 Remove-DuplicateSignerIds $AllowedSigners131 } End { # Save the changes to the XML file $Xml.Save($Path) } } Export-ModuleMember -Function 'Remove-DuplicateAllowedSignersAndCiSigners_IDBased' |