Private/Test-ADSGPOFilter.ps1
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Function Test-ADSGPOFilter { Param ( [Parameter(Mandatory = $True)] [String] $DistinguishedName, [Parameter(Mandatory = $True)] $XML, [Parameter(Mandatory = $True)] $OUStructure ) Begin { $LogTitle = "[$($DistinguishedName)]->[$($gpo.DisplayName)$($gpo.FormattedName)]" Write-Verbose "$($LogTitle) Start $($MyInvocation.InvocationName)" $HasCountryExcludes = -not [String]::IsNullOrEmpty($XML.CountryExclude) $HasCountryFilter = -not [String]::IsNullOrEmpty($XML.CountryFilter) $HasLocationExcludes = -not [String]::IsNullOrEmpty($XML.LocationExclude) $HasLocationFilter = -not [String]::IsNullOrEmpty($XML.LocationFilter) } Process { $CountryOnly = $False If ($DistinguishedName -notmatch 'OU=([A-Z]{3}),OU=([A-Z]{2})') { If ($HasCountryExcludes -or $HasCountryFilter -or $HasLocationExcludes -or $HasLocationFilter) { If ($DistinguishedName -notmatch 'OU=([A-Z]{2}),' -and $HasLocationExcludes -and $HasLocationFilter) { Write-Error "$($LogTitle) Failed to extract required information ($HasCountryExcludes, $HasCountryFilter, $HasLocationExcludes, $HasLocationFilter) from '$($DistinguishedName)'" } $CountryOnly = $True } Else { Write-Verbose "$($LogTitle) no filtering required" Return $True } } $Location = $Matches[1] $Country = $Matches[2] If ($CountryOnly) { $Country = $Matches[1] } Write-Verbose "$($LogTitle) applying filters CE:$($HasCountryExcludes),CF:$($HasCountryFilter),LE:$($HasLocationExcludes),LF:$($HasLocationFilter)" If ($HasCountryExcludes) { If ($Country -in $XML.CountryExclude) { Write-Verbose "$($LogTitle)->EXCLUDE: $($Country) in $($XML.CountryExclude)" Return $False } } If ($HasCountryFilter) { If ($Country -notin $XML.CountryFilter) { Write-Verbose "$($LogTitle)->FILTER: $($Country) not in $($XML.CountryFilter)" If (-not $HasLocationFilter) { Return $False } } Else { # County is in selected Filter. No need to process Location Filters Write-Verbose "$($LogTitle) will be applied to '$($DistinguishedName)'" Return $True } } If (-not $CountryOnly) { If ($HasLocationExcludes) { If ($Location -in $XML.LocationExclude) { Write-Verbose "$($LogTitle)->EXCLUDE: $($Location) in $($XML.CountLocationExcluderyFilter)" Return $False } } If ($HasLocationFilter) { If ($Location -notin $XML.LocationFilter) { Write-Verbose "$($LogTitle)->FILTER: $($Location) not in $($XML.LocationFilter)" Return $False } } } Write-Verbose "$($LogTitle) will be applied to '$($DistinguishedName)'" Return $True } End { Write-Verbose "$($LogTitle) End $($MyInvocation.InvocationName)" } } |