Public/Functions/Show-RegistryXML.ps1

<#
.LINK
    https://www.osdeploy.com/
.SYNOPSIS
    Displays registry entries from all RegistryXML files in the Source Directory
.DESCRIPTION
    Displays registry entries from all RegistryXML files in the Source Directory
.PARAMETER SourceDirectory
    Directory to search for XML files
.EXAMPLE
    Show-RegistryXML -SourceDirectory C:\DeploymentShare\OSDeploy\OSConfig\LocalPolicy\ImportGPO
    Displays all RegistryXML entries found in Source Directory
.NOTES
    NAME: Show-RegistryXML.ps1
    AUTHOR: David Segura, david@segura.org
    BLOG: http://www.osdeploy.com
    VERSION: 18.9.4
#>

function Show-RegistryXML {
    [CmdletBinding()]
    Param (
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]$SourceDirectory
    )
    BEGIN {}
    PROCESS {
        $ErrorActionPreference = 'SilentlyContinue'
        $RegistryPreferences = Get-ChildItem "$SourceDirectory" *.xml -Recurse

        if (!($RegistryPreferences)) {
            Write-Host "Could not find any compatible Registry XML files"
        } else {
            #=================================================
            # Process Registry XML
            #=================================================
            foreach ($RegistryXml in $RegistryPreferences) {
                $RegistrySettings = @()
                $RegistrySettings
                Write-Host "Processing $($RegistryXml.FullName)" -ForegroundColor Yellow
                Write-Host ""

                [xml]$XmlDocument = Get-Content -Path $RegistryXml.FullName
                $nodes = $XmlDocument.SelectNodes("//*[@action]")

                foreach ($node in $nodes) {
                    $NodeAction = $node.attributes['action'].value
                    $NodeDefault = $node.attributes['default'].value
                    $NodeHive = $node.attributes['hive'].value
                    $NodeKey = $node.attributes['key'].value
                    $NodeName = $node.attributes['name'].value
                    $NodeType = $node.attributes['type'].value
                    $NodeValue = $node.attributes['value'].value

                    $obj = new-object psobject -prop @{Action=$NodeAction;Default=$NodeDefault;Hive=$NodeHive;Key=$NodeKey;Name=$NodeName;Type=$NodeType;Value=$NodeValue}
                    $RegistrySettings += $obj
                }

                foreach ($RegEntry in $RegistrySettings) {
                    $RegAction = $RegEntry.Action
                    $RegDefault = $RegEntry.Default
                    $RegHive = $RegEntry.Hive
                    $RegKey = $RegEntry.Key
                    $RegName = $RegEntry.Name
                    $RegType = $RegEntry.Type
                    $RegType = $RegType -replace 'REG_SZ','String'
                    $RegType = $RegType -replace 'REG_DWORD','DWord'
                    $RegType = $RegType -replace 'REG_QWORD','QWord'
                    $RegType = $RegType -replace 'REG_MULTI_SZ','MultiString'
                    $RegType = $RegType -replace 'REG_EXPAND_SZ','ExpandString'
                    $RegType = $RegType -replace 'REG_BINARY','Binary'
                    $RegValue = $RegEntry.Value

                    if ($RegType -eq 'Binary') {
                        $RegValue = $RegValue -replace '(..(?!$))','$1,'
                        $RegValue = $RegValue.Split(',') | ForEach-Object {"0x$_"}
                    }

                    $RegPath = "Registry::$RegHive\$RegKey"
                    $RegPathAdmin = "Registry::HKEY_LOCAL_MACHINE\MountedAdministrator\$RegKey"
                    $RegPathDUser = "Registry::HKEY_LOCAL_MACHINE\MountedDefaultUser\$RegKey"

                    if ($RegAction -eq "D") {
                        if ($RegDefault -eq '0' -and $RegName -eq '' -and $RegValue -eq '') {
                            Write-Host "Remove-Item -LiteralPath $RegPath" -ForegroundColor Red
                            #Remove-Item -LiteralPath $RegPath -Force
                        } elseif ($RegDefault -eq '1') {
                            Write-Host "Remove-ItemProperty -LiteralPath $RegPath" -ForegroundColor Red
                            Write-Host "-Name '(Default)'"
                            #Remove-ItemProperty -LiteralPath $RegPath -Name '(Default)' -Force
                        } else {
                            Write-Host "Remove-ItemProperty -LiteralPath $RegPath" -ForegroundColor Red
                            Write-Host "-Name $RegName"
                            #Remove-ItemProperty -LiteralPath $RegPath -Name $RegName -Force
                        }
                        
                        if ($RegHive -eq 'HKEY_CURRENT_USER'){
                            if (Test-Path -Path "HKLM:\MountedAdministrator") {
                                Write-Host "Remove-ItemProperty -LiteralPath $RegPathAdmin" -ForegroundColor Red
                                if ($RegDefault -eq '0' -and $RegName -eq '' -and $RegValue -eq '') {
                                    #Remove-ItemProperty -LiteralPath $RegPathAdmin -Force
                                } elseif ($RegDefault -eq '1') {
                                    Write-Host "-Name '(Default)'"
                                    #Remove-ItemProperty -LiteralPath $RegPathAdmin -Name '(Default)' -Force
                                } else {
                                    Write-Host "-Name $RegName"
                                    #Remove-ItemProperty -LiteralPath $RegPathAdmin -Name $RegName -Force
                                }
                            }
                            if (Test-Path -Path "HKLM:\MountedDefaultUser") {
                                Write-Host "Remove-ItemProperty -LiteralPath $RegPathDUser" -ForegroundColor Red
                                if ($RegDefault -eq '0' -and $RegName -eq '' -and $RegValue -eq '') {
                                    #Remove-ItemProperty -LiteralPath $RegPathDUser -Force
                                } elseif ($RegDefault -eq '1') {
                                    Write-Host "-Name '(Default)'"
                                    #Remove-ItemProperty -LiteralPath $RegPathDUser -Name '(Default)' -Force
                                } else {
                                    Write-Host "-Name $RegName"
                                    #Remove-ItemProperty -LiteralPath $RegPathDUser -Name $RegName -Force
                                }
                            }
                        }
                    } else {
                        if ($RegDefault -eq '1') {$RegName = '(Default)'}
                        if (!($RegType -eq '')) {
                            if (!(Test-Path -LiteralPath $RegPath)) {
                                Write-Host "New-Item -Path $RegPath" -ForegroundColor Green
                                #New-Item -Path $RegPath -Force | Out-Null
                            }
                            if ($RegHive -eq 'HKEY_CURRENT_USER'){
                                if (Test-Path -Path "HKLM:\MountedAdministrator") {
                                    if (!(Test-Path -LiteralPath $RegPathAdmin)) {
                                        Write-Host "New-Item -Path $RegPathAdmin" -ForegroundColor Green
                                        #New-Item -Path $RegPathAdmin -Force | Out-Null
                                    }
                                }
                                if (Test-Path -Path "HKLM:\MountedDefaultUser") {
                                    if (!(Test-Path -LiteralPath $RegPathDUser)) {
                                        Write-Host "New-Item -Path $RegPathDUser" -ForegroundColor Green
                                        #New-Item -Path $RegPathDUser -Force | Out-Null
                                    }
                                }
                            }
                            Write-Host "New-ItemProperty -LiteralPath $RegPath" -ForegroundColor Green
                            Write-Host "-Name $RegName -PropertyType $RegType -Value $RegValue"
                            #New-ItemProperty -LiteralPath $RegPath -Name $RegName -PropertyType $RegType -Value $RegValue -Force | Out-Null
                            if ($RegHive -eq 'HKEY_CURRENT_USER'){
                                if (Test-Path -Path "HKLM:\MountedAdministrator") {
                                    Write-Host "New-ItemProperty -LiteralPath $RegPathAdmin" -ForegroundColor Green
                                    Write-Host "-Name $RegName -PropertyType $RegType -Value $RegValue"
                                    #New-ItemProperty -LiteralPath $RegPathAdmin -Name $RegName -PropertyType $RegType -Value $RegValue -Force | Out-Null
                                }
                                if (Test-Path -Path "HKLM:\MountedDefaultUser") {
                                    Write-Host "New-ItemProperty -LiteralPath $RegPathDUser" -ForegroundColor Green
                                    Write-Host "-Name $RegName -PropertyType $RegType -Value $RegValue"
                                    #New-ItemProperty -LiteralPath $RegPathDUser -Name $RegName -PropertyType $RegType -Value $RegValue -Force | Out-Null
                                }
                            }
                        }
                    }
                    Write-Host ""
                }
            }
            Remove-Item Variable:RegistrySettings
        }
    }
    END {}
}