Update 8x8_Work_Updater.ps1

8x8_Work_Updater.ps1

@@ -1,8 +1,8 @@
 # ==============================================================================
 # Script Name: 8x8_Work_Updater.ps1
-# Description: Downloads 8x8 with a progress bar, triggers a native service 
+# Description: Self-contained updater script runnable directly from console.
-#              notification modal dialog on the user screen (bypasses non-interactive 
+#              Downloads PsExec + 8x8, pops up the live countdown GUI on the 
-#              Session 0 blocks), silently installs, and relaunches 8x8.
+#              active user's desktop, silently updates, and relaunches 8x8.
 # ==============================================================================
 
 # Ensure script is running elevated
@@ -11,25 +11,40 @@ if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdenti
     exit 1
 }
 
-# Load required assemblies
-Add-Type -AssemblyName System.Windows.Forms
 Add-Type -AssemblyName System.Net.Http
 
 $workDir       = "C:\ProgramData\JCT600_8x8Update"
+$flagFile      = Join-Path $workDir "8x8_Update_Proceed.flag"
+$guiScript     = Join-Path $workDir "Show-8x8UserGui.ps1"
+$psexecPath    = Join-Path $workDir "PsExec.exe"
 $installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
 
 if (-not (Test-Path $workDir)) {
     New-Item -Path $workDir -ItemType Directory -Force | Out-Null
 }
 
+# Ensure standard user has full read/write access to folder and signal flags
+$acl = Get-Acl $workDir
+$rule = New-Object System.Security.AccessControl.FileSystemAccessRule("BUILTIN\Users", "FullControl", "ContainerInherit,ObjectInherit", "None", "Allow")
+$acl.AddAccessRule($rule)
+Set-Acl $workDir $acl
+
+if (Test-Path $flagFile) { Remove-Item $flagFile -Force }
+
 try {
     # --------------------------------------------------------------------------
-    # Step 1: Download 8x8 Installer with Stream Progress Bar
+    # Step 1: Download 8x8 Setup Installer with Console Progress Bar & PsExec
     # --------------------------------------------------------------------------
     $installerUrl = "https://work-desktop-assets.8x8.com/prod-publish/ga/work-64-msi-v8.35.2-6.msi"
-    Write-Host "[1/4] Downloading 8x8 Work installer..." -ForegroundColor Cyan
+    $psexecUrl    = "https://live.sysinternals.com/PsExec.exe"
+
+    Write-Host "[1/4] Downloading 8x8 Work installer and helper tools..." -ForegroundColor Cyan
 
     try {
+        # Download PsExec directly from Microsoft Sysinternals
+        Invoke-WebRequest -Uri $psexecUrl -OutFile $psexecPath -UseBasicParsing
+
+        # Download 8x8 Installer with Stream Progress Bar
         $httpClient = New-Object System.Net.Http.HttpClient
         $response = $httpClient.GetAsync($installerUrl, [System.Net.Http.HttpCompletionOption]::ResponseHeadersRead).Result
         if (-not $response.IsSuccessStatusCode) { throw "HTTP Error $($response.StatusCode)" }
@@ -58,30 +73,127 @@ try {
         $outputStream.Close(); $inputStream.Close(); $httpClient.Dispose()
         Write-Host "`nDownload complete: $installerPath" -ForegroundColor Green
     } catch {
-        Write-Error "`nFailed to download installer. Error: $_"
+        Write-Error "`nFailed to download installer or tools. Error: $_"
         exit 1
     }
 
     # --------------------------------------------------------------------------
-    # Step 2: Show ServiceNotification Dialog (Crosses Session 0 Isolation)
+    # Step 2: Generate User-Session GUI Script (BOM-Free UTF-8)
     # --------------------------------------------------------------------------
-    Write-Host "[2/4] Displaying interactive notification on user desktop..." -ForegroundColor Cyan
+    Write-Host "[2/4] Generating countdown dialog for active desktop..." -ForegroundColor Cyan
 
-    $title   = "JCT600 IT Support — 8x8 Work Update"
+    $guiContent = @'
-    $message = "An automatic update for 8x8 Work has been scheduled by IT Support.`n`nPlease save active work and wrap up ongoing calls.`n`nClick OK to proceed with the update."
+Add-Type -AssemblyName System.Windows.Forms
+Add-Type -AssemblyName System.Drawing
 
-    # Use ServiceNotification flag to display onto the interactive desktop
+$flagPath = "C:\ProgramData\JCT600_8x8Update\8x8_Update_Proceed.flag"
-    [System.Windows.Forms.MessageBox]::Show(
+
-        $message,
+$form = New-Object System.Windows.Forms.Form
-        $title,
+$form.Text = "JCT600 IT Support — 8x8 Work Update"
-        [System.Windows.Forms.MessageBoxButtons]::OK,
+$form.Size = New-Object System.Drawing.Size(460, 260)
-        [System.Windows.Forms.MessageBoxIcon]::Information,
+$form.StartPosition = 'CenterScreen'
-        [System.Windows.Forms.MessageBoxDefaultButton]::Button1,
+$form.FormBorderStyle = 'FixedDialog'
-        [System.Windows.Forms.MessageBoxOptions]::ServiceNotification
+$form.MaximizeBox = $false
-    ) | Out-Null
+$form.MinimizeBox = $false
+$form.ControlBox = $false
+$form.TopMost = $true
+
+$script:allowClose = $false
+$form.Add_FormClosing({
+    param($sender, $e)
+    if (-not $script:allowClose) { $e.Cancel = $true }
+})
+
+$labelHeader = New-Object System.Windows.Forms.Label
+$labelHeader.Text = "JCT600 — IT SUPPORT"
+$labelHeader.Location = New-Object System.Drawing.Point(20, 15)
+$labelHeader.Size = New-Object System.Drawing.Size(400, 25)
+$labelHeader.Font = New-Object System.Drawing.Font("Segoe UI", 12, [System.Drawing.FontStyle]::Bold)
+$labelHeader.ForeColor = [System.Drawing.Color]::Navy
+$labelHeader.TextAlign = 'TopCenter'
+$form.Controls.Add($labelHeader)
+
+$labelMsg = New-Object System.Windows.Forms.Label
+$labelMsg.Text = "An automatic update for 8x8 Work has been scheduled by IT Support.`nPlease save active work or click 'Update Now' to proceed."
+$labelMsg.Location = New-Object System.Drawing.Point(20, 48)
+$labelMsg.Size = New-Object System.Drawing.Size(400, 40)
+$labelMsg.Font = New-Object System.Drawing.Font("Segoe UI", 9)
+$labelMsg.TextAlign = 'TopCenter'
+$form.Controls.Add($labelMsg)
+
+$labelTimer = New-Object System.Windows.Forms.Label
+$labelTimer.Location = New-Object System.Drawing.Point(20, 95)
+$labelTimer.Size = New-Object System.Drawing.Size(400, 40)
+$labelTimer.Font = New-Object System.Drawing.Font("Segoe UI", 20, [System.Drawing.FontStyle]::Bold)
+$labelTimer.ForeColor = [System.Drawing.Color]::DarkRed
+$labelTimer.TextAlign = 'MiddleCenter'
+$form.Controls.Add($labelTimer)
+
+$btnUpdateNow = New-Object System.Windows.Forms.Button
+$btnUpdateNow.Text = "Update Now"
+$btnUpdateNow.Font = New-Object System.Drawing.Font("Segoe UI", 10, [System.Drawing.FontStyle]::Bold)
+$btnUpdateNow.Size = New-Object System.Drawing.Size(150, 40)
+$btnUpdateNow.Location = New-Object System.Drawing.Point(145, 155)
+$btnUpdateNow.UseVisualStyleBackColor = $true
+
+$timer = New-Object System.Windows.Forms.Timer
+$timer.Interval = 1000
+$script:remaining = 3600 # 1 Hour
+
+$btnUpdateNow.Add_Click({
+    $timer.Stop()
+    $script:allowClose = $true
+    New-Item -Path $flagPath -ItemType File -Force | Out-Null
+    $form.Close()
+})
+$form.Controls.Add($btnUpdateNow)
+
+$timer.Add_Tick({
+    if ($script:remaining -gt 0) {
+        $timeSpan = [TimeSpan]::FromSeconds($script:remaining)
+        $labelTimer.Text = $timeSpan.ToString("hh\:mm\:ss")
+        $script:remaining--
+    } else {
+        $timer.Stop()
+        $script:allowClose = $true
+        New-Item -Path $flagPath -ItemType File -Force | Out-Null
+        $form.Close()
+    }
+})
+
+$initialSpan = [TimeSpan]::FromSeconds($script:remaining)
+$labelTimer.Text = $initialSpan.ToString("hh\:mm\:ss")
+
+$timer.Start()
+[System.Windows.Forms.Application]::Run($form)
+'@
+
+    $utf8NoBom = New-Object System.Text.UTF8Encoding($false)
+    [System.IO.File]::WriteAllText($guiScript, $guiContent, $utf8NoBom)
 
     # --------------------------------------------------------------------------
-    # Step 3: Close Running 8x8 Processes & Install Silently
+    # Step 3: Launch GUI Directly onto User's Screen & Wait
+    # --------------------------------------------------------------------------
+    $explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1
+
+    if (-not $explorerProc) {
+        Write-Warning "No active user desktop session detected. Proceeding directly to update."
+    } else {
+        $sessionId = $explorerProc.SessionId
+        Write-Host "Targeting Active Desktop Session ID: $sessionId" -ForegroundColor Green
+
+        # Launch the GUI directly into the active user's physical screen via PsExec
+        $psExe = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
+        & $psexecPath -accepteula -nobanner -i $sessionId -d $psExe -ExecutionPolicy Bypass -WindowStyle Hidden -File "$guiScript"
+
+        Write-Host "Dialog displayed on screen. Waiting for user response or 1-hour expiration..." -ForegroundColor Yellow
+        while (-not (Test-Path $flagFile)) {
+            Start-Sleep -Seconds 2
+        }
+    }
+
+    # --------------------------------------------------------------------------
+    # Step 4: Stop 8x8, Silently Install & Relaunch
     # --------------------------------------------------------------------------
     Write-Host "[3/4] Stopping 8x8 processes and installing silently..." -ForegroundColor Cyan
 
@@ -107,9 +219,9 @@ try {
     Write-Host "Installation completed successfully." -ForegroundColor Green
 
     # --------------------------------------------------------------------------
-    # Step 4: Launch 8x8 Work
+    # Step 5: Launch 8x8 Work
     # --------------------------------------------------------------------------
-    Write-Host "[4/4] Launching 8x8 Work..." -ForegroundColor Cyan
+    Write-Host "[4/4] Launching updated 8x8 Work..." -ForegroundColor Cyan
 
     $possiblePaths = @(
         "${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
@@ -121,9 +233,12 @@ try {
     $exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
 
     if ($exePath) {
-        # Using explorer.exe to launch the executable forces standard user graphics execution
+        if ($explorerProc) {
-        Start-Process "explorer.exe" -ArgumentList "`"$exePath`""
+            & $psexecPath -accepteula -nobanner -i $sessionId -d "$exePath"
-        Write-Host "8x8 Work launched successfully." -ForegroundColor Green
+            Write-Host "8x8 Work launched successfully in user context." -ForegroundColor Green
+        } else {
+            Start-Process -FilePath $exePath
+        }
     } else {
         Write-Warning "Could not locate 8x8 Work executable."
     }