GetBitLockerRecoveryPassword.ps1

[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null

If (-Not (Test-Connection ad.dbs.fr -Quiet))
{
    $output = [System.Windows.Forms.MessageBox]::Show("Please connect to the DBS network first", "Error occured" , '0',  'Error')
    If ($output -eq "OK")
    {
        Exit
    }
}
If (-Not (whoami | findstr -i "adm"))
{
    $output = [System.Windows.Forms.MessageBox]::Show("Please run the program as adm", "Error occured" , '0',  'Error')
    If ($output -eq "OK")
    {
        Exit
    }
}

Function Child ($Parentlabel)
{
    $objComputer = Get-ADComputer $Parentlabel.TEXT
    $BitlockerObject = Get-ADObject -Filter {objectclass -eq 'msFVE-RecoveryInformation'} -SearchBase $objComputer.DistinguishedName -Properties 'msFVE-RecoveryPassword'
    $BitlockerObject = $BitlockerObject | Select-Object -Property ObjectGUID, msFVE-RecoveryPassword | Select-Object @{Label="ID";Expression={$_.ObjectGUID}}, @{Label="Recovery Key";Expression={$_."msFVE-RecoveryPassword"}} | Format-List | Out-String


    $bitlockerGUIbis = New-Object system.Windows.Forms.Form
    $bitlockerGUIbis.Text = "GetBitlockerKeys"
    $bitlockerGUIbis.Name = "GBK"
    $bitlockerGUIbis.DataBindings.DefaultDataSourceUpdateMode = 0
    $bitlockerGUIbis.ClientSize = New-Object System.Drawing.Size(590,224)
    $iconBase64 = 'AAAA'
    $iconBytes = [Convert]::FromBase64String($iconBase64)
    $stream = New-Object IO.MemoryStream($iconBytes, 0, $iconBytes.Length)
    $stream.Write($iconBytes, 0, $iconBytes.Length);
    $iconImage = [System.Drawing.Image]::FromStream($stream, $true)
    $bitlockerGUIbis.Icon = [System.Drawing.Icon]::FromHandle((New-Object System.Drawing.Bitmap -Argument $stream).GetHIcon())
    $bitlockerGUIbis.Add_Closing({[System.Windows.Forms.Application]::Exit($null)})

    $recoveryKeyField = New-Object System.Windows.Forms.RichTextBox
    $recoveryKeyField.ClientSize = New-Object System.Drawing.Size(562,160)
    $recoveryKeyField.Location = New-Object System.Drawing.Point(13,13)
    $recoveryKeyField.Font = [System.Drawing.Font]::new('Calibri', 12)
    $recoveryKeyField.Anchor = 'Top','Right','Bottom','Left'
    $recoveryKeyField.Text = [string]$BitlockerObject
    #$recoveryKeyField.Text = "601381-464343-357159-585849-665588-463507-119416-469931"
    #$recoveryKeyField.AppendText("`nhi")
    $bitlockerGUIbis.Controls.Add($recoveryKeyField)

    $copyToCBButton = New-Object System.Windows.Forms.Button
    $copyToCBButton.ClientSize = New-Object System.Drawing.Size(565,23)
    $copyToCBButton.Location = New-Object System.Drawing.Point(13,190)
    $copyToCBButton.Text = "Copy to Clipboard"
    $copyToCBButton.DataBindings.DefaultDataSourceUpdateMode = 0
    $copyToCBButton.Add_Click({Echo $recoveryKeyField.SelectedText | Clip; [System.Windows.Forms.Application]::Exit($null)})
    $bitlockerGUIbis.Controls.Add($copyToCBButton)

    $bitlockerGUIbis.ShowDialog()
}

$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState

$bitlockerGUI = New-Object System.Windows.Forms.Form
$bitlockerGUI.Text = "GetBitlockerKeys"
$bitlockerGUI.Name = "GBK"
$bitlockerGUI.DataBindings.DefaultDataSourceUpdateMode = 0
$bitlockerGUI.ClientSize = New-Object System.Drawing.Size(270,100)
$iconBase64 = 'AAA=='
$iconBytes = [Convert]::FromBase64String($iconBase64)
$stream = New-Object IO.MemoryStream($iconBytes, 0, $iconBytes.Length)
$stream.Write($iconBytes, 0, $iconBytes.Length);
$iconImage = [System.Drawing.Image]::FromStream($stream, $true)
$bitlockerGUI.Icon = [System.Drawing.Icon]::FromHandle((New-Object System.Drawing.Bitmap -Argument $stream).GetHIcon())

$machineNameLabel = New-Object System.Windows.Forms.Label
$machineNameLabel.Name = "machineNameLabel"
$machineNameLabel.Size = New-Object System.Drawing.Size(240,23)
$machineNameLabel.Text = "Enter the machine name :"
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 13
$System_Drawing_Point.Y = 13
$machineNameLabel.Location = $System_Drawing_Point
$machineNameLabel.DataBindings.DefaultDataSourceUpdateMode = 0
$bitlockerGUI.Controls.Add($machineNameLabel)

$machineNameEdit = New-Object System.Windows.Forms.TextBox
$machineNameEdit.Name = "MachineNameEdit"
$machineNameEdit.Size = New-Object System.Drawing.Size(155,23)
$machineNameEdit.Text = "DUBB"
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 13
$System_Drawing_Point.Y = 37
$machineNameEdit.Location = $System_Drawing_Point
$machineNameEdit.DataBindings.DefaultDataSourceUpdateMode = 0
$bitlockerGUI.Controls.Add($machineNameEdit)

$getKeyButton = New-Object System.Windows.Forms.Button
$getKeyButton.TabIndex = 0
$getKeyButton.Name = "GetKeysButton"
$getKeyButton.Size = New-Object System.Drawing.Size(240,23)
$getKeyButton.UseVisualStyleBackColor = $True
$getKeyButton.Text = "Get the recovery key(s)"
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 13
$System_Drawing_Point.Y = 69
$getKeyButton.Location = $System_Drawing_Point
$getKeyButton.DataBindings.DefaultDataSourceUpdateMode = 0
$getKeyButton.add_Click({Child $machineNameEdit})
$bitlockerGUI.Controls.Add($getKeyButton)

$InitialFormWindowState = $bitlockerGUI.WindowState
$bitlockerGUI.add_Load({$bitlockerGUI.WindowState = $InitialFormWindowState})
$bitlockerGUI.ShowDialog()| Out-Null