DSCResources/xCertThumbprint/xCertThumbprint.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $Subject ) $thumbprinttable = Get-ChildItem -Path Cert:\LocalMachine\My | Where-Object -FilterScript { $_.subject -eq "CN=$Subject" } $thumbprint = $thumbprinttable.Thumbprint $Subject = $thumbprinttable.Subject $returnValue = @{ Thumbprint = [System.String]$thumbprint Subject = [System.String]$Subject } $returnValue } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Subject, [System.String] $File = 'C:\Temp\Thumbprint.txt', [System.String] $thumbprint, [ValidateSet('Present','Absent')] [System.String] $Ensure ) $content = Get-ChildItem -Path Cert:\LocalMachine\My | Where-Object -FilterScript { $_.subject -eq "CN=$Subject" } | Select-Object -Property Thumbprint -ExpandProperty Thumbprint if ($Ensure -eq 'Present') { Write-Verbose -Message "Getting the Certificate Thumbprint $content and writing it to $File." $available = Get-TargetResource $File if ($Ensure -eq 'Present') { Set-Content -Path $File -Value $content -Force Write-Verbose -Message "Writing Thumbprint to $File." } } else { Remove-Item $File -Force } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $Subject, [System.String] $File, [System.String] $thumbprint, [ValidateSet('Present','Absent')] [System.String] $Ensure ) Write-Verbose -Message "Is there a thumbprint file available for subject CN=$Subject ?" $test = Get-Content -LiteralPath 'C:\Temp\thumbprint.txt' -ErrorAction SilentlyContinue $test2 = Get-ChildItem -Path Cert:\LocalMachine\My | Where-Object -FilterScript { $_.subject -eq "CN=$Subject" } | Select-Object -Property Thumbprint -ExpandProperty Thumbprint if ($test -eq $test2) { Write-Host -Object 'True' $true } Else { Write-Host -Object 'False' $False } } Export-ModuleMember -Function *-TargetResource |