From 5070bc964f416a56ea290d36a3d59d087a1e1604 Mon Sep 17 00:00:00 2001 From: CristianD Date: Wed, 29 Jul 2026 17:11:21 +0100 Subject: [PATCH] Update 8x8_Work_Updater.ps1 --- 8x8_Work_Updater.ps1 | 78 ++++++++++++++++++++------------------------ 1 file changed, 36 insertions(+), 42 deletions(-) diff --git a/8x8_Work_Updater.ps1 b/8x8_Work_Updater.ps1 index 7fcff22..6e017f3 100644 --- a/8x8_Work_Updater.ps1 +++ b/8x8_Work_Updater.ps1 @@ -1,7 +1,7 @@ # ============================================================================== # Script Name: 8x8_Work_Updater.ps1 -# Description: Downloads 8x8, launches an interactive JCT600 GUI attached to -# the active user's desktop via schtasks /IT, waits for response, +# Description: Downloads 8x8, injects a native user-session GUI popup, +# waits for completion/override (1-hour countdown), # silently installs, relaunches 8x8 Work, and cleans up. # ============================================================================== @@ -11,18 +11,14 @@ if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdenti exit 1 } -# Use C:\ProgramData\ so standard users have full read/execute access $workDir = "C:\ProgramData\JCT600_8x8Update" $flagFile = Join-Path $workDir "8x8_Update_Proceed.flag" $guiScript = Join-Path $workDir "Show-8x8UserGui.ps1" -$vbsScript = Join-Path $workDir "LaunchGuiHidden.vbs" -$taskName = "JCT600_8x8_Update_Notification" if (-not (Test-Path $workDir)) { New-Item -Path $workDir -ItemType Directory -Force | Out-Null } -# Clean stale flag file if (Test-Path $flagFile) { Remove-Item $flagFile -Force } try { @@ -42,9 +38,9 @@ try { } # -------------------------------------------------------------------------- - # Step 2: Write User GUI & Zero-Console VBS Launcher + # Step 2: Write User-Session GUI Script # -------------------------------------------------------------------------- - Write-Host "[2/5] Generating user-session GUI and hidden launcher..." -ForegroundColor Cyan + Write-Host "[2/5] Generating user-session GUI dialog..." -ForegroundColor Cyan $guiContent = @' Add-Type -AssemblyName System.Windows.Forms @@ -146,44 +142,40 @@ $timer.Dispose() $form.Dispose() '@ - # Write UTF8 without BOM $utf8NoBom = New-Object System.Text.UTF8Encoding($false) [System.IO.File]::WriteAllText($guiScript, $guiContent, $utf8NoBom) - # VBScript Wrapper (ASCII) - $vbsContent = @" -Set WshShell = CreateObject("WScript.Shell") -WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File ""$guiScript""", 0, False -"@ - [System.IO.File]::WriteAllText($vbsScript, $vbsContent, [System.Text.Encoding]::ASCII) - # -------------------------------------------------------------------------- - # Step 3: Trigger Interactive GUI Attached to User Desktop WindowStation + # Step 3: Launch GUI Directly into User Session via Explorer Process Trigger # -------------------------------------------------------------------------- Write-Host "[3/5] Launching dialog in active user's desktop session..." -ForegroundColor Cyan - $loggedUser = (Get-CimInstance -ClassName Win32_ComputerSystem).UserName - if ([string]::IsNullOrEmpty($loggedUser)) { - $explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1 - if ($explorerProc) { - $loggedUser = (Get-CimInstance -ClassName Win32_Process -Filter "ProcessId = $($explorerProc.Id)" | Invoke-CimMethod -MethodName GetOwner).User - } - } + $explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1 - if ([string]::IsNullOrEmpty($loggedUser)) { - Write-Warning "No active interactive user detected. Proceeding directly to silent update." + if (-not $explorerProc) { + Write-Warning "No active user explorer session found. Proceeding directly to update." } else { - Write-Host "Detected active user: $loggedUser" -ForegroundColor Green + # Query active user SID from Explorer process + $userSid = (Get-CimInstance -ClassName Win32_Process -Filter "ProcessId = $($explorerProc.Id)" | Invoke-CimMethod -MethodName GetOwnerSid).Sid + Write-Host "Active Desktop SID: $userSid" -ForegroundColor Green - # Register task using schtasks.exe /IT to force GUI attachment to active screen station - $trCommand = "wscript.exe `"$vbsScript`"" - & schtasks.exe /Create /TN $taskName /TR $trCommand /SC ONCE /ST 00:00 /RU $loggedUser /IT /F | Out-Null - & schtasks.exe /Run /TN $taskName | Out-Null + # Spawn GUI process directly inside explorer's user context using PowerShell WMI/CIM process creation + $cmdToRun = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$guiScript`"" + + # Fallback to direct process invocation if user session is active + $taskName = "JCT600_8x8_Update_UserDialog" + $action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-ExecutionPolicy Bypass -WindowStyle Hidden -File `"$guiScript`"" + $trigger = New-ScheduledTaskTrigger -At (Get-Date).AddSeconds(2) -Once + $principal = New-ScheduledTaskPrincipal -UserId $userSid -LogonType Interactive -RunLevel Limited + + Register-ScheduledTask -TaskName $taskName -Action $action -Trigger $trigger -Principal $principal -Force | Out-Null Write-Host "Waiting for user dialog response or timer expiration (1 hour max)..." -ForegroundColor Yellow while (-not (Test-Path $flagFile)) { Start-Sleep -Seconds 2 } + + Unregister-ScheduledTask -TaskName $taskName -Confirm:$false -ErrorAction SilentlyContinue } # -------------------------------------------------------------------------- @@ -213,9 +205,9 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File " Write-Host "Installation completed successfully." -ForegroundColor Green # -------------------------------------------------------------------------- - # Step 5: Launch 8x8 Work in User Desktop Session + # Step 5: Launch 8x8 Work # -------------------------------------------------------------------------- - Write-Host "[5/5] Launching 8x8 Work in user session..." -ForegroundColor Cyan + Write-Host "[5/5] Launching 8x8 Work..." -ForegroundColor Cyan $possiblePaths = @( "${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe", @@ -227,13 +219,17 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File " $exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1 if ($exePath) { - if (-not [string]::IsNullOrEmpty($loggedUser)) { + if ($explorerProc) { + # Run 8x8 Work inside user session to avoid GPU access elevation crashes $launchTask = "JCT600_8x8_AppLaunch" - & schtasks.exe /Create /TN $launchTask /TR "`"$exePath`"" /SC ONCE /ST 00:00 /RU $loggedUser /IT /F | Out-Null - & schtasks.exe /Run /TN $launchTask | Out-Null - Start-Sleep -Seconds 3 - & schtasks.exe /Delete /TN $launchTask /F | Out-Null - Write-Host "8x8 Work launched successfully for $loggedUser." -ForegroundColor Green + $launchAction = New-ScheduledTaskAction -Execute "$exePath" + $launchTrigger = New-ScheduledTaskTrigger -At (Get-Date).AddSeconds(2) -Once + $launchPrincipal = New-ScheduledTaskPrincipal -UserId $userSid -LogonType Interactive -RunLevel Limited + + Register-ScheduledTask -TaskName $launchTask -Action $launchAction -Trigger $launchTrigger -Principal $launchPrincipal -Force | Out-Null + Start-Sleep -Seconds 4 + Unregister-ScheduledTask -TaskName $launchTask -Confirm:$false -ErrorAction SilentlyContinue + Write-Host "8x8 Work launched successfully." -ForegroundColor Green } else { Start-Process -FilePath $exePath } @@ -245,9 +241,7 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File " # -------------------------------------------------------------------------- # Mandatory Cleanup # -------------------------------------------------------------------------- - Write-Host "Cleaning up scheduled task and temporary files..." -ForegroundColor Gray - & schtasks.exe /Delete /TN $taskName /F 2>$null | Out-Null - + Write-Host "Cleaning up temporary files..." -ForegroundColor Gray if (Test-Path $workDir) { Remove-Item $workDir -Recurse -Force -ErrorAction SilentlyContinue }