wingetautoupdate/Winget-AutoUpdate/Winget-Upgrade.ps1

<# LOAD FUNCTIONS #>

# Get the Working Dir
$Script:WorkingDir = $PSScriptRoot

# Get Functions
Get-ChildItem -Path "$WorkingDir\functions" | ForEach-Object {
   . $_.FullName
}

<# MAIN #>

# Check if running account is system or interactive logon
$Script:IsSystem = [Security.Principal.WindowsIdentity]::GetCurrent().IsSystem

# Run log initialisation function
Start-Init

# Get WAU Configurations
$Script:WAUConfig = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Winget-AutoUpdate')

#Log running context and more...
if ($IsSystem)
{
   Write-ToLog 'Running in System context'
   
   #Get and set Domain/Local Policies (GPO)
   $ActivateGPOManagement, $ChangedSettings = Get-Policies
   if ($ActivateGPOManagement)
   {
      Write-ToLog 'Activated WAU GPO Management detected, comparing...'
      if ($null -ne $ChangedSettings -and $ChangedSettings -ne 0)
      {
         Write-ToLog 'Changed settings detected and applied' 'Yellow'
      }
      else
      {
         Write-ToLog 'No Changed settings detected' 'Yellow'
      }
   }
   
   # Maximum number of log files to keep. Default is 3. Setting MaxLogFiles to 0 will keep all log files.
   $MaxLogFiles = $WAUConfig.WAU_MaxLogFiles
   if ($null -eq $MaxLogFiles)
   {
      [int]$MaxLogFiles = 3
   }
   else
   {
      [int]$MaxLogFiles = $MaxLogFiles
   }
   
   # Maximum size of log file.
   $MaxLogSize = $WAUConfig.WAU_MaxLogSize
   if (!$MaxLogSize)
   {
      [long]$MaxLogSize = 1048576 # in bytes, default is 1048576 = 1 MB
   }
   else
   {
      [long]$MaxLogSize = $MaxLogSize
   }
   
   #LogRotation if System
   $LogRotate = Invoke-LogRotation $LogFile $MaxLogFiles $MaxLogSize
   if ($LogRotate -eq $False)
   {
      Write-ToLog 'An Exception occured during Log Rotation...'
   }
   
   #Run post update actions if necessary if run as System
   if (!($WAUConfig.WAU_PostUpdateActions -eq 0))
   {
      Invoke-PostUpdateActions
   }
   #Run Scope Machine funtion if run as System
   $SettingsPath = "$Env:windir\system32\config\systemprofile\AppData\Local\Microsoft\WinGet\Settings\defaultState\settings.json"
   Add-ScopeMachine $SettingsPath
}
else
{
   Write-ToLog 'Running in User context'
}

#Get Notif Locale function
$LocaleDisplayName = Get-NotifLocale
Write-ToLog "Notification Level: $($WAUConfig.WAU_NotificationLevel). Notification Language: $LocaleDisplayName" 'Cyan'

#Check network connectivity
if (Test-Network)
{
   #Check if Winget is installed and get Winget cmd
   $TestWinget = Get-WingetCmd
   
   if ($TestWinget)
   {
      #Get Current Version
      $WAUCurrentVersion = $WAUConfig.DisplayVersion
      Write-ToLog "WAU current version: $WAUCurrentVersion"
      if ($IsSystem)
      {
         #Check if WAU update feature is enabled or not if run as System
         $WAUDisableAutoUpdate = $WAUConfig.WAU_DisableAutoUpdate
         #If yes then check WAU update if run as System
         if ($WAUDisableAutoUpdate -eq 1)
         {
            Write-ToLog 'WAU AutoUpdate is Disabled.' 'Gray'
         }
         else
         {
            Write-ToLog 'WAU AutoUpdate is Enabled.' 'Green'
            #Get Available Version
            $Script:WAUAvailableVersion = Get-WAUAvailableVersion
            #Compare
            if ([version]$WAUAvailableVersion.Replace('-', '.') -ne [version]$WAUCurrentVersion.Replace('-', '.'))
            {
               #If new version is available, update it
               Write-ToLog "WAU Available version: $WAUAvailableVersion" 'Yellow'
               Update-WAU
            }
            else
            {
               Write-ToLog 'WAU is up to date.' 'Green'
            }
         }
         
         #Delete previous list_/winget_error (if they exist) if run as System
         if (Test-Path -Path "$WorkingDir\logs\error.txt")
         {
            Remove-Item -Path "$WorkingDir\logs\error.txt" -Force
         }
         
         #Get External ListPath if run as System
         if ($WAUConfig.WAU_ListPath)
         {
            $ListPathClean = $($WAUConfig.WAU_ListPath.TrimEnd(' ', '\', '/'))
            Write-ToLog "WAU uses External Lists from: $ListPathClean"
            if ($ListPathClean -ne 'GPO')
            {
               $NewList = Test-ListPath $ListPathClean $WAUConfig.WAU_UseWhiteList $WAUConfig.InstallLocation.TrimEnd(' ', '\')
               if ($ReachNoPath)
               {
                  Write-ToLog "Couldn't reach/find/compare/copy from $ListPathClean..." 'Red'
                  if ($ListPathClean -notlike 'http*')
                  {
                     if (Test-Path -Path "$ListPathClean" -PathType Leaf)
                     {
                        Write-ToLog 'PATH must end with a Directory, not a File...' 'Red'
                     }
                  }
                  else
                  {
                     if ($ListPathClean -match '_apps.txt')
                     {
                        Write-ToLog 'PATH must end with a Directory, not a File...' 'Red'
                     }
                  }
                  $Script:ReachNoPath = $False
               }
               if ($NewList)
               {
                  Write-ToLog "Newer List downloaded/copied to local path: $($WAUConfig.InstallLocation.TrimEnd(' ', '\'))" 'Yellow'
               }
               else
               {
                  if ($WAUConfig.WAU_UseWhiteList -and (Test-Path -Path "$WorkingDir\included_apps.txt"))
                  {
                     Write-ToLog 'List (white) is up to date.' 'Green'
                  }
                  elseif (!$WAUConfig.WAU_UseWhiteList -and (Test-Path -Path "$WorkingDir\excluded_apps.txt"))
                  {
                     Write-ToLog 'List (black) is up to date.' 'Green'
                  }
                  else
                  {
                     Write-ToLog "Critical: White/Black List doesn't exist, exiting..." 'Red'
                     New-Item -Path "$WorkingDir\logs\error.txt" -Value "White/Black List doesn't exist" -Force
                     exit 1
                  }
               }
            }
         }
         
         #Get External ModsPath if run as System
         if ($WAUConfig.WAU_ModsPath)
         {
            $ModsPathClean = $($WAUConfig.WAU_ModsPath.TrimEnd(' ', '\', '/'))
            Write-ToLog "WAU uses External Mods from: $ModsPathClean"
            if ($WAUConfig.WAU_AzureBlobSASURL)
            {
               $NewMods, $DeletedMods = Test-ModsPath $ModsPathClean $WAUConfig.InstallLocation.TrimEnd(' ', '\') $WAUConfig.WAU_AzureBlobSASURL.TrimEnd(' ')
            }
            else
            {
               $NewMods, $DeletedMods = Test-ModsPath $ModsPathClean $WAUConfig.InstallLocation.TrimEnd(' ', '\')
            }
            if ($ReachNoPath)
            {
               Write-ToLog "Couldn't reach/find/compare/copy from $ModsPathClean..." 'Red'
               $Script:ReachNoPath = $False
            }
            if ($NewMods -gt 0)
            {
               Write-ToLog "$NewMods newer Mods downloaded/copied to local path: $($WAUConfig.InstallLocation.TrimEnd(' ', '\'))\mods" 'Yellow'
            }
            else
            {
               if (Test-Path -Path "$WorkingDir\mods\*.ps1")
               {
                  Write-ToLog 'Mods are up to date.' 'Green'
               }
               else
               {
                  Write-ToLog 'No Mods are implemented...' 'Yellow'
               }
            }
            if ($DeletedMods -gt 0)
            {
               Write-ToLog "$DeletedMods Mods deleted (not externally managed) from local path: $($WAUConfig.InstallLocation.TrimEnd(' ', '\'))\mods" 'Red'
            }
         }
         
         #Test if _WAU-mods.ps1 exist: Mods for WAU (if Network is active/any Winget is installed/running as SYSTEM)
         $Mods = "$WorkingDir\mods"
         if (Test-Path -Path "$Mods\_WAU-mods.ps1")
         {
            Write-ToLog 'Running Mods for WAU...' 'Yellow'
            & "$Mods\_WAU-mods.ps1"
            $ModsExitCode = $LASTEXITCODE
            #If _WAU-mods.ps1 has ExitCode 1 - Re-run WAU
            if ($ModsExitCode -eq 1)
            {
               Write-ToLog 'Re-run WAU'
               Start-Process -FilePath powershell -ArgumentList "-NoProfile -ExecutionPolicy Bypass -Command `"$WorkingDir\winget-upgrade.ps1`""
               exit
            }
         }
         
      }
      
      if ($($WAUConfig.WAU_ListPath) -eq 'GPO')
      {
         $Script:GPOList = $True
      }
      
      #Get White or Black list
      if ($WAUConfig.WAU_UseWhiteList -eq 1)
      {
         Write-ToLog 'WAU uses White List config'
         $toUpdate = Get-IncludedApps
         $UseWhiteList = $true
      }
      else
      {
         Write-ToLog 'WAU uses Black List config'
         $toSkip = Get-ExcludedApps
      }
      
      #Fix and count the array if GPO List as ERROR handling!
      if ($GPOList)
      {
         if ($UseWhiteList)
         {
            $WhiteList = $toUpdate.GetUpperBound(0)
            if ($null -eq $WhiteList)
            {
               Write-ToLog "Critical: Whitelist doesn't exist in GPO, exiting..." 'Red'
               New-Item -Path "$WorkingDir\logs\error.txt" -Value "Whitelist doesn't exist in GPO" -Force
               exit 1
            }
            $toUpdate = $toUpdate.Data
         }
         else
         {
            $BlackList = $toSkip.GetUpperBound(0)
            if ($null -eq $BlackList)
            {
               Write-ToLog "Critical: Blacklist doesn't exist in GPO, exiting..." 'Red'
               New-Item -Path "$WorkingDir\logs\error.txt" -Value "Blacklist doesn't exist in GPO" -Force
               exit 1
            }
            $toSkip = $toSkip.Data
         }
      }
      
      #Get outdated Winget packages
      Write-ToLog 'Checking application updates on Winget Repository...' 'yellow'
      $outdated = Get-WingetOutdatedApps
      
      #If something unusual happened
      if ($outdated -like 'An unusual*')
      {
         Write-ToLog "$outdated" 'cyan'
         $outdated = $False
      }
      
      #Run only if $outdated is populated!
      if ($outdated)
      {
         #Log list of app to update
         foreach ($app in $outdated)
         {
            #List available updates
            $Log = "-> Available update : $($app.Name). Current version : $($app.Version). Available version : $($app.AvailableVersion)."
            $Log | Write-host
            $Log | out-file -filepath $LogFile -Append
         }
         
         #Count good update installations
         $Script:InstallOK = 0
         
         #Trick under user context when -BypassListForUsers is used
         if ($IsSystem -eq $false -and $WAUConfig.WAU_BypassListForUsers -eq 1)
         {
            Write-ToLog 'Bypass system list in user context is Enabled.'
            $UseWhiteList = $false
            $toSkip = $null
         }
         
         #If White List
         if ($UseWhiteList)
         {
            #For each app, notify and update
            foreach ($app in $outdated)
            {
               if (($toUpdate -contains $app.Id) -and $($app.Version) -ne 'Unknown')
               {
                  Update-App $app
               }
               #if current app version is unknown
               elseif ($($app.Version) -eq 'Unknown')
               {
                  Write-ToLog "$($app.Name) : Skipped upgrade because current version is 'Unknown'" 'Gray'
               }
               #if app is in "excluded list"
               else
               {
                  Write-ToLog "$($app.Name) : Skipped upgrade because it is not in the included app list" 'Gray'
               }
            }
         }
         #If Black List or default
         else
         {
            #For each app, notify and update
            foreach ($app in $outdated)
            {
               if (-not ($toSkip -contains $app.Id) -and $($app.Version) -ne 'Unknown')
               {
                  Update-App $app
               }
               #if current app version is unknown
               elseif ($($app.Version) -eq 'Unknown')
               {
                  Write-ToLog "$($app.Name) : Skipped upgrade because current version is 'Unknown'" 'Gray'
               }
               #if app is in "excluded list"
               else
               {
                  Write-ToLog "$($app.Name) : Skipped upgrade because it is in the excluded app list" 'Gray'
               }
            }
         }
         
         if ($InstallOK -gt 0)
         {
            Write-ToLog "$InstallOK apps updated ! No more update." 'Green'
         }
      }
      
      if ($InstallOK -eq 0 -or !$InstallOK)
      {
         Write-ToLog 'No new update.' 'Green'
      }
      
      #Check if any user is logged on if System and run User task (if installed)
      if ($IsSystem)
      {
         #User check routine from: https://stackoverflow.com/questions/23219718/powershell-script-to-see-currently-logged-in-users-domain-and-machine-status
         $explorerprocesses = @(Get-WmiObject -Query "Select * FROM Win32_Process WHERE Name='explorer.exe'" -ErrorAction SilentlyContinue)
         if ($explorerprocesses.Count -eq 0)
         {
            Write-ToLog 'No explorer process found / Nobody interactively logged on...'
         }
         else
         {
            #Run WAU in user context if the user task exist
            $UserScheduledTask = Get-ScheduledTask -TaskName 'Winget-AutoUpdate-UserContext' -ErrorAction SilentlyContinue
            if ($UserScheduledTask)
            {
               
               #Get Winget system apps to excape them befor running user context
               Write-ToLog 'User logged on, get a list of installed Winget apps in System context...'
               Get-WingetSystemApps
               
               #Run user context scheduled task
               Write-ToLog 'Starting WAU in User context'
               Start-ScheduledTask -TaskName $UserScheduledTask.TaskName -ErrorAction SilentlyContinue
               exit 0
            }
            elseif (!$UserScheduledTask)
            {
               Write-ToLog 'User context execution not installed...'
            }
         }
      }
   }
   else
   {
      Write-ToLog 'Critical: Winget not installed or detected, exiting...' 'red'
      New-Item -Path "$WorkingDir\logs\error.txt" -Value 'Winget not installed or detected' -Force
      Write-ToLog 'End of process!' 'Cyan'
      exit 1
   }
}

#End
Write-ToLog 'End of process!' 'Cyan'
Start-Sleep -Seconds 3