Gamgee

1.0.4

Utils/Get-InstalledSoftware.ps1

# =============================================================================
# Created on: 06/16/18 @ 11:21
# Created by: Alcha
# Organization: HassleFree Solutions, LLC
# Filename: Get-InstalledSoftware.ps1
# Notes: Adapted from the InstalledSoftware.ps1 script available here:
# https://powershellgallery.com/packages/InstalledSoftware/2.0/DisplayScript
# =============================================================================

function Get-InstalledSoftware {
  [CmdletBinding()]
  param (
    [Alias('Computer', 'ComputerName', 'HostName')]
    [Parameter(ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, Position = 0)]
    [System.String[]]$Name = $env:COMPUTERNAME
  )
  
  begin {
    $LMkeys = "Software\Microsoft\Windows\CurrentVersion\Uninstall", "SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall"
    $LMtype = [Microsoft.Win32.RegistryHive]::LocalMachine
    $CUkeys = "Software\Microsoft\Windows\CurrentVersion\Uninstall"
    $CUtype = [Microsoft.Win32.RegistryHive]::CurrentUser
  }

  process {
    foreach ($Computer in $Name) {
      $script:MasterKeys = @()
      
      if (!(Test-Connection -ComputerName $Computer -count 1 -quiet)) {
        Write-Error -Message "Unable to contact $Computer. Please verify its network connectivity and try again." -Category ObjectNotFound -TargetObject $Computer
        break
      }
      
      $CURegKey = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey($CUtype, $computer)
      $LMRegKey = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey($LMtype, $computer)

      Get-SubKeyObjects $LMkeys $LMRegKey
      Get-SubKeyObjects $CUKeys $CURegKey
      
      $script:MasterKeys = ($script:MasterKeys | Where-Object {
          $_.Name -ne $Null -AND $_.SystemComponent -ne "1" -AND $_.ParentKeyName -eq $Null
        } | Select-Object ComputerName, Name, InstallD, Version, UninstallCommand | Sort-Object Name)
      
      return $script:MasterKeys
    }
  }
}

function Get-SubKeyObjects {
  param (
    [Parameter(Mandatory = $true, Position = 0)]
    $BaseKey,

    [Parameter(Mandatory = $true, Position = 1)]
    [Microsoft.Win32.RegistryKey]$RegistryKey
  )

  process {
    foreach ($Key in $BaseKey) {
      $RegKey = $RegistryKey.OpenSubkey($Key)
      if ($RegKey -ne $null) {
        foreach ($subName in $RegKey.getsubkeynames()) {
          foreach ($sub in $RegKey.opensubkey($subName)) {
            $script:MasterKeys += (New-Object PSObject -Property @{
                "ComputerName"     = $Computer
                "Name"             = $sub.getvalue("displayname")
                "SystemComponent"  = $sub.getvalue("systemcomponent")
                "ParentKeyName"    = $sub.getvalue("parentkeyname")
                "Version"          = $sub.getvalue("DisplayVersion")
                "UninstallCommand" = $sub.getvalue("UninstallString")
                "InstallDate"      = $sub.getvalue("InstallDate")
              })
          }
        }
      }
    }
  }
}

#region HTML Code
$Head = @"
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
  crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49"
  crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T"
  crossorigin="anonymous"></script>
"@

$HeaderRow = @"
<tr>
  <th>Name</th>
  <th>Version</th>
  <th>Uninstall Command</th>
</tr>`n
"@

$TopBody = @"
<h1 class="text-center display-1">Installed Software</h1>
<p class="text-center">This is a table of software installed on LINCLER as of <b>$(Get-Date -UFormat "%A, %B %d %Y @ %T")</b>.</p>
"@

$Rows = ""
$RowCount = 0

function Get-Table () {
  param (
    [Parameter(Position = 0)]
    [System.String]
    $DataRows
  )

  return @"
  $TopBody
  <table id="SoftwareTable" class="table table-sm">
    <thead>
      $HeaderRow
    </thead>

    <tbody>
      $DataRows
    </tbody>
  </table>
"@
}

function Get-InstalledSoftwareAsHtml () {
  foreach ($Program in Get-InstalledSoftware) {
    $Name = $Program.Name
    $Version = $Program.Version
    $UninstallCmd = $Program.UninstallCommand
    
    if (Test-Path $UninstallCmd) {
      $Rows += @"
      <tr class="table-success">
        <td>$Name</td>
        <td>$Version</td>
        <td style="font-style: italic;">$UninstallCmd</td>
      </tr>`n
"@
    } elseif ($UninstallCmd -match 'MsiExec.exe') {
      $Rows += @"
      <tr class="table-warning">
        <td>$Name</td>
        <td>$Version</td>
        <td style="font-style: italic;">Start-Process -FilePath cmd.exe -ArgumentList '/c', '$UninstallCmd'</td>
      </tr>`n
"@
    } else {
      $Rows += @"
      <tr class="table-primary">
        <td>$Name</td>
        <td>$Version</td>
        <td style="font-style: italic;">& $UninstallCmd</td>
      </tr>`n
"@
    }
  }

  $Body = Get-Table $Rows
  ConvertTo-Html -Body $Body -Head $Head -Title 'Installed Software'
}

#endregion HTML Code