UninstallFirefox.ps1

<#
	.SYNOPSIS
		Uninstall Mozilla Firefox
	
	.DESCRIPTION
		Uninstall the old version of Firefox and install the current version
	
	.NOTES
		===========================================================================
		Created with: 	SAPIEN Technologies, Inc., PowerShell Studio 2017 v5.4.145
		Created on:   	2/19/2018 8:57 AM
		Created by:   	Mick Pletcher
		Filename:		UninstallFirefox.ps1
		===========================================================================
#>
[CmdletBinding()]
param ()


function Get-Architecture {
<#
	.SYNOPSIS
		Get-Architecture
	
	.DESCRIPTION
		Returns whether the system architecture is 32-bit or 64-bit
#>
	
	[CmdletBinding()][OutputType([string])]
	param ()
	
	$OSArchitecture = Get-WmiObject -Class Win32_OperatingSystem | Select-Object OSArchitecture
	$OSArchitecture = $OSArchitecture.OSArchitecture
	Return $OSArchitecture
	#Returns 32-bit or 64-bit
}

function Get-RelativePath {
<#
	.SYNOPSIS
		Get the relative path
	
	.DESCRIPTION
		Returns the location of the currently running PowerShell script
#>
	
	[CmdletBinding()][OutputType([string])]
	param ()
	
	$Path = (split-path $SCRIPT:MyInvocation.MyCommand.Path -parent) + "\"
	Return $Path
}

function Install-EXE {
<#
	.SYNOPSIS
		Install Executable file
	
	.DESCRIPTION
		This function will install an executable file
	
	.PARAMETER Executable
		UNC path and name of executable to install
	
	.PARAMETER Switches
		Executable switches
	
	.PARAMETER DisplayName
		Application Name to display
	#>
	
	[CmdletBinding()]
	param
	(
		[ValidateNotNullOrEmpty()][string]$DisplayName,
		[ValidateNotNullOrEmpty()][string]$Executable,
		[ValidateNotNullOrEmpty()][string]$Switches
	)
	
	Write-Host "Install"$DisplayName.Trim()"....." -NoNewline
	$ErrCode = (Start-Process -FilePath $Executable -ArgumentList $Switches -Wait -Passthru).ExitCode
	If (($ErrCode -eq 0) -or ($ErrCode -eq 3010)) {
		Write-Host "Success" -ForegroundColor Yellow
	} else {
		Write-Host "Failed with error code "$ErrCode -ForegroundColor Red
		Exit $ErrCode
	}
}

function New-AutoConfigFile {
<#
	.SYNOPSIS
		Create AutoConfig File
	
	.DESCRIPTION
		This will create the autoconfig file which directs Firefox to a custom CFG file each time it is opened.
	
	.PARAMETER CFGFile
		filename and directory to create the CFG file
#>
	
	[CmdletBinding()]
	param
	(
		[ValidateNotNullOrEmpty()][string]$CFGFile
	)
	
	'//The first line must be a comment' | Out-File -FilePath $CFGFile -Encoding UTF8 -NoClobber -Force
	'pref("general.config.filename", "mozilla.cfg");' | Out-File -FilePath $CFGFile -Encoding UTF8 -NoClobber -Append
	'pref("general.config.obscure_value", 0);' | Out-File -FilePath $CFGFile -Encoding UTF8 -NoClobber -Append
}

function New-MozillaConfig {
<#
	.SYNOPSIS
		Create Mozilla Configuration File
	
	.DESCRIPTION
		This will create a CFG file with  custom Firefox configurations
	
	.PARAMETER CFGFile
		Filename and directory of the configuration file
#>
	
	[CmdletBinding()]
	param
	(
		[ValidateNotNullOrEmpty()][string]$CFGFile
	)
	
	'//The first line must be a comment' | Out-File -FilePath $CFGFile -Encoding UTF8 -NoClobber -Force
	'// This is placed in the %programfiles%\Mozilla Firefox\ folder' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'' | Out-File -FilePath $env:ProgramFiles"\Mozilla Firefox\\mozilla.cfg" -Encoding UTF8 -Append
	'// Enable Automatic Updater' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'lockPref("app.update.enabled", true);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'lockPref("app.update.auto", true);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'lockPref("app.update.service.enabled", true);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'lockPref("app.update.mode", 0);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'lockPref("app.update.incompatible.mode", 0);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'// Do not show "know your rights" on first start' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'pref("browser.rights.3.shown", true);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'// Do not show What is New on first run' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'pref("browser.startup.homepage_override.mstone", "ignore");' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'// Set default homepage' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'defaultPref("browser.startup.homepage","data:text/plain,browser.startup.homepage=http://wallerville.com");' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'// Do not check if default browser' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'pref("browser.shell.checkDefaultBrowser", false);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	
	'// Disable Browser Reset Prompt' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
	'pref("browser.disableResetPrompt", true);' | Out-File -FilePath $CFGFile -Encoding UTF8 -Append
}

function Remove-Directory {
<#
	.SYNOPSIS
		Remove-Directory
	
	.DESCRIPTION
		Deletes specified directory
	
	.PARAMETER Directory
		A description of the Directory parameter.
	
	.PARAMETER Recurse
		Delete all subdirectories and their contents
	
#>
	
	param
	(
		[String]$Directory,
		[switch]$Recurse
	)
	
	Write-Host "Delete"$Directory"....." -NoNewline
	If (Test-Path $Directory) {
		If ($Recurse.IsPresent) {
			Remove-Item $Directory -Recurse -Force -ErrorAction SilentlyContinue
		} else {
			Remove-Item $Directory -Force -ErrorAction SilentlyContinue
		}
		If ((Test-Path $Directory) -eq $False) {
			Write-Host "Success" -ForegroundColor Yellow
		} else {
			Write-Host "Failed" -ForegroundColor Red
		}
	} else {
		Write-Host "Not Present" -ForegroundColor Green
	}
}

function Stop-Processes {
<#
	.SYNOPSIS
		Stops a process or processes
	
	.DESCRIPTION
		Will close all processes with the name specified in the ProcessName parameter
	
	.PARAMETER ProcessName
		Name of the Process to close. Do not include the file extension.
#>
	
	[CmdletBinding()]
	param
	(
		[ValidateNotNullOrEmpty()][String]$ProcessName
	)
	
	$Processes = Get-Process $ProcessName -ErrorAction SilentlyContinue
	If ($Processes -ne $null) {
		Do {
			foreach ($Process in $Processes) {
				If ($Process.Product -ne $null) {
					Write-Host "Killing"(($Process.Product).ToString()).Trim()"Process ID"(($Process.Id).ToString()).Trim()"....." -NoNewline
					Stop-Process -Id $Process.Id -Force -ErrorAction SilentlyContinue
					Start-Sleep -Milliseconds 250
					$Process = Get-Process -Id $Process.Id -ErrorAction SilentlyContinue
					If ($Process -eq $null) {
						Write-Host "Success" -ForegroundColor Yellow
					} else {
						Write-Host "Failed" -ForegroundColor Red
					}
				}
			}
			$Process = Get-Process $ProcessName -ErrorAction SilentlyContinue
		} While ($Process -ne $null)
	}
}

function Uninstall-EXE {
<#
	.SYNOPSIS
		Install Executable file
	
	.DESCRIPTION
		This function will install an executable file
	
	.PARAMETER Executable
		UNC path and name of executable to install
	
	.PARAMETER Switches
		Executable switches
	
	.PARAMETER DisplayName
		Application Name to display
	#>
	
	[CmdletBinding()]
	param
	(
		[ValidateNotNullOrEmpty()][string]$DisplayName,
		[ValidateNotNullOrEmpty()][string]$Executable,
		[ValidateNotNullOrEmpty()][string]$Switches
	)
	
	Write-Host "Uninstall"$DisplayName.Trim()"....." -NoNewline
	$ErrCode = (Start-Process -FilePath $Executable -ArgumentList $Switches -Wait -Passthru).ExitCode
	If (($ErrCode -eq 0) -or ($ErrCode -eq 3010)) {
		Write-Host "Success" -ForegroundColor Yellow
	} else {
		Write-Host "Failed with error code "$ErrCode -ForegroundColor Red
		Exit $ErrCode
	}
}

#Kill Firefox process
Stop-Processes -ProcessName Firefox
#Uninstall Mozilla Firefox if it is installed
If (Test-Path $env:ProgramFiles"\Mozilla Firefox\uninstall\helper.exe") {
	Uninstall-EXE -DisplayName "Mozilla Firefox" -Executable $env:ProgramFiles"\Mozilla Firefox\uninstall\helper.exe" -Switches "/S"
	Remove-Directory -Directory $env:ProgramFiles"\Mozilla Firefox" -Recurse
	#Remove-Directory -Directory $env:ProgramFiles"\Mozilla Firefox" -Recurse 1
} elseif (Test-Path ${env:ProgramFiles(x86)}"\Mozilla Firefox\uninstall\helper.exe") {
	Uninstall-EXE -DisplayName "Mozilla Firefox" -Executable ${env:ProgramFiles(x86)}"\Mozilla Firefox\uninstall\helper.exe" -Switches "/S"
	Remove-Directory -Directory ${env:ProgramFiles(x86)}"\Mozilla Firefox" -Recurse
	#Remove-Directory -Directory ${env:ProgramFiles(x86)}"\Mozilla Firefox" -Recurse 1
}
If ((Test-Path $env:ProgramData"\Mozilla") -eq $true) {
	Remove-Directory -Directory $env:ProgramData"\Mozilla" -Recurse
}