xDSCSEPVIE

2.6

DSCResources/xDSCSEPVIE/xDSCSEPVIE.psm1

function Get-TargetResource
{
  [CmdletBinding()]
  [OutputType([System.Collections.Hashtable])]
  param
  (
    [Parameter(Mandatory = $true)]
    [System.String]
    $VIELocation
  )

  $volumes = Get-Volume | ? { $_.DriveType -eq "Fixed" -and $_.FileSystemLabel -ne "System Reserved" } | Sort-Object DriveLetter
  if (Test-Path -LiteralPath "C:\Windows\Temp\VIEdrives.csv") {
    #Write-Host "exists"
    $csv = Import-Csv "C:\Windows\Temp\VIEdrives.csv"
    foreach ($drive in $csv) {
      if ($drive.driveletter -in $volumes.driveletter) {
        return @{
          Ensure = "Present";
        }
      }
    }
  }
  else {
    return @{
      Ensure = "Absent";
    }
  }
  else {
    return @{
      Ensure = "Absent";
    }
  }
}

function Set-TargetResource
{
  [CmdletBinding()]
  param
  (
    [Parameter(Mandatory = $true)]
    [System.String]
    $VIELocation,

    [ValidateSet("Present","Absent")]
    [System.String]
    $Ensure
  )

  $volumes = Get-Volume | ? { $_.DriveType -eq "Fixed" -and $_.FileSystemLabel -ne "System Reserved" } | Sort-Object DriveLetter

  if ($Ensure -eq "Present") {
    if (Test-Path -LiteralPath "C:\Windows\Temp\VIEdrives.csv") {
      $csv = Import-Csv "C:\Windows\Temp\VIEdrives.csv"
      foreach ($volume in $volumes) {
        if ($volume.driveletter -notin $csv.driveletter) {
          #Write-Host "Starting VIE tool for drive" $volume.driveletter
          & $VIELocation ($volume.driveletter + ":") --generate
          $driveletter = $volume.driveletter
          New-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -ErrorAction SilentlyContinue
          Write-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -EventId 3001 -EntryType Information -Message "Executed VIE against $driveletter drive"
          $volume | select Driveletter,@{ n = 'Datescanned'; e = { Get-Date } } | Export-Csv -nti "C:\Windows\Temp\VIEdrives.csv" -Append
        }
        else {
        }
      }
    }
    else {
      foreach ($volume in $volumes) {
        #Write-Host "Starting VIE tool for drive" $volume.driveletter
        & $VIELocation ($volume.driveletter + ":") --generate
        $driveletter = $volume.driveletter
        New-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -ErrorAction SilentlyContinue
        Write-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -EventId 3001 -EntryType Information -Message "Executed VIE against $driveletter drive"
        $volume | select Driveletter,@{ n = 'Datescanned'; e = { Get-Date } } | Export-Csv -nti "C:\Windows\Temp\VIEdrives.csv" -Append
      }
    }
  }
  elseif ($Ensure -eq "Absent") {
    if (Test-Path -LiteralPath "C:\Windows\Temp\VIEdrives.csv") {
      foreach ($volume in $volumes) {
        #Write-Host "Removing VIE tool for drive" $volume.driveletter
        & $VIELocation ($volume.driveletter + ":") --clear
        $driveletter = $volume.driveletter
        New-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -ErrorAction SilentlyContinue
        Write-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -EventId 3001 -EntryType Information -Message "Cleared VIE against $driveletter drive"
        Remove-Item -LiteralPath "C:\Windows\Temp\VIEdrives.csv" -Confirm:$false -ErrorAction SilentlyContinue
      }
    }
    else {
      #Write-Host "Removing VIE tool for drive" $volume.driveletter
      & $VIELocation ($volume.driveletter + ":") --clear
      $driveletter = $volume.driveletter
      New-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -ErrorAction SilentlyContinue
      Write-EventLog -LogName "Microsoft-Windows-DSC/Operational" -Source "xDSCSEPVIE" -EventId 3001 -EntryType Information -Message "Cleared VIE against $driveletter drive"
      Remove-Item -LiteralPath "C:\Windows\Temp\VIEdrives.csv" -Confirm:$false -ErrorAction SilentlyContinue
    }
  }
}

function Test-TargetResource
{
  [CmdletBinding()]
  [OutputType([System.Boolean])]
  param
  (
    [Parameter(Mandatory = $true)]
    [System.String]
    $VIELocation,

    [ValidateSet("Present","Absent")]
    [System.String]
    $Ensure
  )

  $volumes = Get-Volume | ? { $_.DriveType -eq "Fixed" -and $_.FileSystemLabel -ne "System Reserved" } | Sort-Object DriveLetter
  if ($Ensure -eq 'Present') {
    if (Test-Path -LiteralPath "C:\Windows\Temp\VIEdrives.csv") {
      $csv = Import-Csv "C:\Windows\Temp\VIEdrives.csv"
      foreach ($volume in $volumes) {
        if ($volume.driveletter -in $csv.driveletter) {
          $driveletter = $volume.driveletter
          #Write-Host "$driveletter exists"
          $result = $true
        }
        else {
          $driveletter = $volume.driveletter
          #Write-Host "$driveletter doesn't exist"
          $result = $false
        }
      }
    }
    else {
      $result = $false
    }
  }
  elseif ($Ensure -eq 'Absent') {
    if (Test-Path -LiteralPath "C:\Windows\Temp\VIEdrives.csv") {
      $csv = Import-Csv "C:\Windows\Temp\VIEdrives.csv"
      foreach ($volume in $volumes) {
        if ($volume.driveletter -notin $csv.driveletter) {
          #Write-Host "$driveletter doesn't exist"
          $result = $true
        }
        else {
          $driveletter = $volume.driveletter
          #Write-Host "$driveletter exists"
          $result = $false
        }
      }
    }
    else {
      $result = $true
    }
  }

  if ($result -eq $true) {
    return $true
  }
  else {
    return $false
  }
}

Export-ModuleMember -Function *-TargetResource