[CmdletBinding()]
param(
    [Parameter(Mandatory=$true)]
    [string]$PackageID,
    [Parameter(Mandatory=$false)]
    [switch]$AllowReboot=$false
)

## Set the reboot value
If ( $AllowReboot ) { $Reboot = '1' } Else { $Reboot = '0' }

## URL to the BitDefender signed MSI archive
$BDSignedArchiveURL = 'http://download.bitdefender.com/business/misc/kb1695/eps_installer_signed.zip'

## Set and create the local path to download the archive into
$DownloadDirectory = "${Env:TEMP}\bd-installer"

## Delete any existing data and create a new empty $DownloadDirectory
If ( Test-Path $DownloadDirectory) { Remove-Item $DownloadDirectory -Recurse -Force }
New-Item -ItemType Directory -Path $DownloadDirectory -Force

## Set the full path to the zip file we'll download
$BDZipArchive = "{0}\{1}" -f $DownloadDirectory,$(Split-Path -Path $BDSignedArchiveURL -Leaf)

## Download the archive
(New-Object System.Net.WebClient).DownloadFile($BDSignedArchiveURL,$BDZipArchive)

## Unzip the archive
Add-Type -Assembly “System.IO.Compression.FileSystem”
[IO.Compression.ZipFile]::ExtractToDirectory($BDZipArchive,$DownloadDirectory)

## Get the MSI file
$MSI = (Get-ChildItem -Path $DownloadDirectory | Where { $_.Extension -ieq ".msi" }).FullName

## Launch the installer
Start-Process "msiexec.exe" -ArgumentList "/i ${MSI} /qn GZ_PACKAGE_ID=${PackageID} REBOOT_IF_NEEDED=${Reboot}" -Wait