#   ==============================================================
#   It is recommended to test the script on a local machine for its purpose and effects. 
#   ManageEngine Desktop Central will not be responsible for any 
#   damage/loss to the data/setup based on the behavior of the script.

#   Description: Script to reset Mozilla Firefox (clears 'cache','cache2\entries','thumbnails','cookies.sqlite','webappsstore.sqlite','chromeappstore.sqlite') for a specific user
#   Parameters:
#   Remarks:	
#				The script has to be deployed as User Configuration
#				The Script will kill the Browser, if running
#   Configuration Type - User
#   ==============================================================

Function Remove-CacheFiles {
    param([Parameter(Mandatory=$true)][string]$path)    
    BEGIN 
    {
        $originalVerbosePreference = $VerbosePreference
        $VerbosePreference = 'Continue'  
    }
    PROCESS 
    {
        if((Test-Path $path))
        {
            if([System.IO.Directory]::Exists($path))
            {
                try 
                {
                    if($path[-1] -eq '\')
                    {
                        [int]$pathSubString = $path.ToCharArray().Count - 1
                        $sanitizedPath = $path.SubString(0, $pathSubString)
                        Remove-Item -Path "$sanitizedPath\*" -Recurse -Force -ErrorAction SilentlyContinue -Verbose
                    }
                    else 
                    {
                        Remove-Item -Path "$path\*" -Recurse -Force -ErrorAction SilentlyContinue -Verbose              
                    } 
                } catch { }
            }
            else 
            {
                try 
                {
                    Remove-Item -Path $path -Force -ErrorAction SilentlyContinue -Verbose
                } catch { }
            }
        }    
    }
    END 
    {
        $VerbosePreference = $originalVerbosePreference
    }
}

Function Clear-FirefoxCacheFiles {
    param([string]$user=$env:USERNAME)
	# Kill Firefox if it's running
	Stop-Process -Name firefox -Force
    if((Test-Path "C:\users\$user\AppData\Local\Mozilla\Firefox\Profiles"))
    {
        $possibleCachePaths = @('cache','cache2\entries','thumbnails','cookies.sqlite','webappsstore.sqlite','chromeappstore.sqlite')
        $firefoxAppDataPath = (Get-ChildItem "C:\users\$user\AppData\Local\Mozilla\Firefox\Profiles" | Where-Object { $_.Name -match 'Default' }[0]).FullName 
        ForEach($cachePath in $possibleCachePaths)
        {
            Remove-CacheFiles "$firefoxAppDataPath\$cachePath"
        }
    } 
}

Clear-FirefoxCacheFiles