ProgramManagement

1.1.1

Public/Get-AllPackageInfo.ps1

                                <#

    .SYNOPSIS

        This function gathers information about a particular installed program from 3 different sources:

            - The Get-Package Cmdlet fromPowerShellGet/PackageManagement Modules

            - Chocolatey CmdLine (if it is installed)

            - Windows Registry

        All of this information is needed in order to determine the proper way to install/uninstall a program.

    .DESCRIPTION

        See .SYNOPSIS

    .NOTES

    .PARAMETER ProgramName

        This parameter is MANDATORY.

        This parameter takes a string that represents the name of the Program that you would like to gather information about.

        The name of the program does NOT have to be exact. For example, if you have 'python3' installed, you can simply use:

            Get-AllPackageInfo python

    .EXAMPLE

        # Open an elevated PowerShell Session, import the module, and -

        PS C:\Users\zeroadmin> Get-AllPackageInfo openssh

#>

function Get-AllPackageInfo {

    [CmdletBinding()]

    Param (

        [Parameter(

            Mandatory=$True,

            Position=0

        )]

        [string]$ProgramName

    )

    # Generate regex string to loosely match Program Name

    $PNRegexPrep = $([char[]]$ProgramName | foreach {"([\.]|[$_])+"}) -join ""

    $PNRegexPrep2 = $($PNRegexPrep -split "\+")[1..$($($PNRegexPrep -split "\+").Count)] -join "+"

    $PNRegex = "^$([char[]]$ProgramName[0])+$PNRegexPrep2"

    # For example, $PNRegex string for $ProgramName 'nodejs' should be:

    #     ^n+([\.]|[o])+([\.]|[d])+([\.]|[e])+([\.]|[j])+([\.]|[s])+

    # If PackageManagement/PowerShellGet is installed, determine if $ProgramName is installed

    if ([bool]$(Get-Command Get-Package -ErrorAction SilentlyContinue)) {

        $PSGetInstalledPrograms = Get-Package

        $PSGetInstalledPackageObjectsFinal = $PSGetInstalledPrograms | Where-Object {$_.Name -match $PNRegex}

        # Add some more information regarding these packages - specifically MSIFileItem, MSILastWriteTime, and RegLastWriteTime

        # This info will come in handy if there's a specific order related packages needed to be uninstalled in so that it's clean.

        # (In other words, with this info, we can sort by when specific packages were installed, and uninstall latest to earliest

        # so that there aren't any race conditions)

        [array]$CheckInstalledPrograms = Get-InstalledProgramsFromRegistry -ProgramTitleSearchTerm $PNRegex

        $WindowsInstallerMSIs = Get-ChildItem -Path "C:\Windows\Installer" -File

        $RelevantMSIFiles = foreach ($FileItem in $WindowsInstallerMSIs) {

            $MSIProductName = GetMSIFileInfo -MsiFileItem $FileItem -Property ProductName -WarningAction SilentlyContinue -ErrorAction SilentlyContinue

            if ($MSIProductName -match $PNRegex) {

                [pscustomobject]@{

                    ProductName = $MSIProductName

                    FileItem    = $FileItem

                }

            }

        }

        if ($CheckInstalledPrograms.Count -gt 0) {

            if ($($(Get-Item $CheckInstalledPrograms[0].PSPath) | Get-Member).Name -notcontains "LastWriteTime") {

                AddLastWriteTimeToRegKeys

            }

            foreach ($RegPropertiesCollection in $CheckInstalledPrograms) {

                $RegPropertiesCollection | Add-Member -MemberType NoteProperty -Name "LastWriteTime" -Value $(Get-Item $RegPropertiesCollection.PSPath).LastWriteTime

            }

            [System.Collections.ArrayList]$CheckInstalledPrograms = [System.Collections.ArrayList][array]$($CheckInstalledPrograms | Sort-Object -Property LastWriteTime)

            # Make sure that the LATEST Registry change comes FIRST in the ArrayList

            $CheckInstalledPrograms.Reverse()

            foreach ($Package in $PSGetInstalledPackageObjectsFinal) {

                $RelevantMSIFile = $RelevantMSIFiles | Where-Object {$_.ProductName -eq $Package.Name}

                if ($RelevantMSIFile) {

                    $Package | Add-Member -MemberType NoteProperty -Name "MSIFileItem" -Value $RelevantMSIFile.FileItem

                    $Package | Add-Member -MemberType NoteProperty -Name "MSILastWriteTime" -Value $RelevantMSIFile.FileItem.LastWriteTime

                }

                if ($Package.TagId -ne $null) {

                    $RegProperties = $CheckInstalledPrograms | Where-Object {$_.PSChildName -match $Package.TagId}

                    $LastWriteTime = $(Get-Item $RegProperties.PSPath).LastWriteTime

                    $Package | Add-Member -MemberType NoteProperty -Name "RegLastWriteTime" -Value $LastWriteTime

                }

            }

            [System.Collections.ArrayList]$PSGetInstalledPackageObjectsFinal = [array]$($PSGetInstalledPackageObjectsFinal | Sort-Object -Property MSILastWriteTime)

            # Make sure that the LATEST install comes FIRST in the ArrayList

            $PSGetInstalledPackageObjectsFinal.Reverse()

        }        

    }

    # If the Chocolatey CmdLine is installed, get a list of programs installed via Chocolatey

    if ([bool]$(Get-Command choco -ErrorAction SilentlyContinue)) {

        #$ChocolateyInstalledProgramsPrep = clist --local-only

        $ProcessInfo = New-Object System.Diagnostics.ProcessStartInfo

        #$ProcessInfo.WorkingDirectory = $BinaryPath | Split-Path -Parent

        $ProcessInfo.FileName = $(Get-Command clist).Source

        $ProcessInfo.RedirectStandardError = $true

        $ProcessInfo.RedirectStandardOutput = $true

        $ProcessInfo.UseShellExecute = $false

        $ProcessInfo.Arguments = "--local-only"

        $Process = New-Object System.Diagnostics.Process

        $Process.StartInfo = $ProcessInfo

        $Process.Start() | Out-Null

        # Below $FinishedInAlottedTime returns boolean true/false

        $FinishedInAlottedTime = $Process.WaitForExit(15000)

        if (!$FinishedInAlottedTime) {

            $Process.Kill()

        }

        $stdout = $Process.StandardOutput.ReadToEnd()

        $stderr = $Process.StandardError.ReadToEnd()

        $AllOutput = $stdout + $stderr

        $ChocolateyInstalledProgramsPrep = $($stdout -split "`n")[1..$($($stdout -split "`n").Count-3)]

        [System.Collections.ArrayList]$ChocolateyInstalledProgramObjects = @()

        foreach ($program in $ChocolateyInstalledProgramsPrep) {

            $programParsed = $program -split " "

            $PSCustomObject = [pscustomobject]@{

                ProgramName     = $programParsed[0]

                Version         = $programParsed[1]

            }

            $null = $ChocolateyInstalledProgramObjects.Add($PSCustomObject)

        }

        $ChocolateyInstalledProgramObjectsFinal = $ChocolateyInstalledProgramObjects | Where-Object {$_.ProgramName -match $PNRegex}

    }

    [pscustomobject]@{

        ChocolateyInstalledProgramObjects           = $ChocolateyInstalledProgramObjectsFinal

        PSGetInstalledPackageObjects                = $PSGetInstalledPackageObjectsFinal

        RegistryProperties                          = $CheckInstalledPrograms

    }

}

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