Update 8x8_Work_Updater.ps1
This commit is contained in:
+142
-27
@@ -1,8 +1,8 @@
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# ==============================================================================
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# Script Name: 8x8_Work_Updater.ps1
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# Description: Downloads 8x8 with a progress bar, triggers a native service
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# notification modal dialog on the user screen (bypasses non-interactive
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# Session 0 blocks), silently installs, and relaunches 8x8.
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# Description: Self-contained updater script runnable directly from console.
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# Downloads PsExec + 8x8, pops up the live countdown GUI on the
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# active user's desktop, silently updates, and relaunches 8x8.
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# ==============================================================================
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# Ensure script is running elevated
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@@ -11,25 +11,40 @@ if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdenti
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exit 1
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}
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# Load required assemblies
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Add-Type -AssemblyName System.Windows.Forms
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Add-Type -AssemblyName System.Net.Http
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$workDir = "C:\ProgramData\JCT600_8x8Update"
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$flagFile = Join-Path $workDir "8x8_Update_Proceed.flag"
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$guiScript = Join-Path $workDir "Show-8x8UserGui.ps1"
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$psexecPath = Join-Path $workDir "PsExec.exe"
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$installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
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if (-not (Test-Path $workDir)) {
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New-Item -Path $workDir -ItemType Directory -Force | Out-Null
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}
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# Ensure standard user has full read/write access to folder and signal flags
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$acl = Get-Acl $workDir
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$rule = New-Object System.Security.AccessControl.FileSystemAccessRule("BUILTIN\Users", "FullControl", "ContainerInherit,ObjectInherit", "None", "Allow")
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$acl.AddAccessRule($rule)
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Set-Acl $workDir $acl
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if (Test-Path $flagFile) { Remove-Item $flagFile -Force }
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try {
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# --------------------------------------------------------------------------
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# Step 1: Download 8x8 Installer with Stream Progress Bar
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# Step 1: Download 8x8 Setup Installer with Console Progress Bar & PsExec
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# --------------------------------------------------------------------------
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$installerUrl = "https://work-desktop-assets.8x8.com/prod-publish/ga/work-64-msi-v8.35.2-6.msi"
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Write-Host "[1/4] Downloading 8x8 Work installer..." -ForegroundColor Cyan
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$psexecUrl = "https://live.sysinternals.com/PsExec.exe"
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Write-Host "[1/4] Downloading 8x8 Work installer and helper tools..." -ForegroundColor Cyan
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try {
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# Download PsExec directly from Microsoft Sysinternals
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Invoke-WebRequest -Uri $psexecUrl -OutFile $psexecPath -UseBasicParsing
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# Download 8x8 Installer with Stream Progress Bar
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$httpClient = New-Object System.Net.Http.HttpClient
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$response = $httpClient.GetAsync($installerUrl, [System.Net.Http.HttpCompletionOption]::ResponseHeadersRead).Result
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if (-not $response.IsSuccessStatusCode) { throw "HTTP Error $($response.StatusCode)" }
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@@ -58,30 +73,127 @@ try {
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$outputStream.Close(); $inputStream.Close(); $httpClient.Dispose()
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Write-Host "`nDownload complete: $installerPath" -ForegroundColor Green
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} catch {
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Write-Error "`nFailed to download installer. Error: $_"
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Write-Error "`nFailed to download installer or tools. Error: $_"
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exit 1
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}
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# --------------------------------------------------------------------------
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# Step 2: Show ServiceNotification Dialog (Crosses Session 0 Isolation)
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# Step 2: Generate User-Session GUI Script (BOM-Free UTF-8)
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# --------------------------------------------------------------------------
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Write-Host "[2/4] Displaying interactive notification on user desktop..." -ForegroundColor Cyan
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Write-Host "[2/4] Generating countdown dialog for active desktop..." -ForegroundColor Cyan
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$title = "JCT600 IT Support — 8x8 Work Update"
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$message = "An automatic update for 8x8 Work has been scheduled by IT Support.`n`nPlease save active work and wrap up ongoing calls.`n`nClick OK to proceed with the update."
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$guiContent = @'
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Add-Type -AssemblyName System.Windows.Forms
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Add-Type -AssemblyName System.Drawing
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# Use ServiceNotification flag to display onto the interactive desktop
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[System.Windows.Forms.MessageBox]::Show(
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$message,
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$title,
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[System.Windows.Forms.MessageBoxButtons]::OK,
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[System.Windows.Forms.MessageBoxIcon]::Information,
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[System.Windows.Forms.MessageBoxDefaultButton]::Button1,
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[System.Windows.Forms.MessageBoxOptions]::ServiceNotification
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) | Out-Null
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$flagPath = "C:\ProgramData\JCT600_8x8Update\8x8_Update_Proceed.flag"
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$form = New-Object System.Windows.Forms.Form
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$form.Text = "JCT600 IT Support — 8x8 Work Update"
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$form.Size = New-Object System.Drawing.Size(460, 260)
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$form.StartPosition = 'CenterScreen'
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$form.FormBorderStyle = 'FixedDialog'
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$form.MaximizeBox = $false
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$form.MinimizeBox = $false
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$form.ControlBox = $false
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$form.TopMost = $true
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$script:allowClose = $false
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$form.Add_FormClosing({
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param($sender, $e)
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if (-not $script:allowClose) { $e.Cancel = $true }
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})
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$labelHeader = New-Object System.Windows.Forms.Label
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$labelHeader.Text = "JCT600 — IT SUPPORT"
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$labelHeader.Location = New-Object System.Drawing.Point(20, 15)
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$labelHeader.Size = New-Object System.Drawing.Size(400, 25)
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$labelHeader.Font = New-Object System.Drawing.Font("Segoe UI", 12, [System.Drawing.FontStyle]::Bold)
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$labelHeader.ForeColor = [System.Drawing.Color]::Navy
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$labelHeader.TextAlign = 'TopCenter'
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$form.Controls.Add($labelHeader)
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$labelMsg = New-Object System.Windows.Forms.Label
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$labelMsg.Text = "An automatic update for 8x8 Work has been scheduled by IT Support.`nPlease save active work or click 'Update Now' to proceed."
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$labelMsg.Location = New-Object System.Drawing.Point(20, 48)
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$labelMsg.Size = New-Object System.Drawing.Size(400, 40)
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$labelMsg.Font = New-Object System.Drawing.Font("Segoe UI", 9)
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$labelMsg.TextAlign = 'TopCenter'
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$form.Controls.Add($labelMsg)
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$labelTimer = New-Object System.Windows.Forms.Label
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$labelTimer.Location = New-Object System.Drawing.Point(20, 95)
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$labelTimer.Size = New-Object System.Drawing.Size(400, 40)
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$labelTimer.Font = New-Object System.Drawing.Font("Segoe UI", 20, [System.Drawing.FontStyle]::Bold)
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$labelTimer.ForeColor = [System.Drawing.Color]::DarkRed
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$labelTimer.TextAlign = 'MiddleCenter'
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$form.Controls.Add($labelTimer)
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$btnUpdateNow = New-Object System.Windows.Forms.Button
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$btnUpdateNow.Text = "Update Now"
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$btnUpdateNow.Font = New-Object System.Drawing.Font("Segoe UI", 10, [System.Drawing.FontStyle]::Bold)
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$btnUpdateNow.Size = New-Object System.Drawing.Size(150, 40)
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$btnUpdateNow.Location = New-Object System.Drawing.Point(145, 155)
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$btnUpdateNow.UseVisualStyleBackColor = $true
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$timer = New-Object System.Windows.Forms.Timer
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$timer.Interval = 1000
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$script:remaining = 3600 # 1 Hour
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$btnUpdateNow.Add_Click({
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$timer.Stop()
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$script:allowClose = $true
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New-Item -Path $flagPath -ItemType File -Force | Out-Null
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$form.Close()
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})
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$form.Controls.Add($btnUpdateNow)
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$timer.Add_Tick({
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if ($script:remaining -gt 0) {
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$timeSpan = [TimeSpan]::FromSeconds($script:remaining)
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$labelTimer.Text = $timeSpan.ToString("hh\:mm\:ss")
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$script:remaining--
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} else {
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$timer.Stop()
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$script:allowClose = $true
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New-Item -Path $flagPath -ItemType File -Force | Out-Null
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$form.Close()
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}
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})
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$initialSpan = [TimeSpan]::FromSeconds($script:remaining)
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$labelTimer.Text = $initialSpan.ToString("hh\:mm\:ss")
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$timer.Start()
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[System.Windows.Forms.Application]::Run($form)
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'@
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$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
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[System.IO.File]::WriteAllText($guiScript, $guiContent, $utf8NoBom)
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# --------------------------------------------------------------------------
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# Step 3: Close Running 8x8 Processes & Install Silently
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# Step 3: Launch GUI Directly onto User's Screen & Wait
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# --------------------------------------------------------------------------
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$explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1
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if (-not $explorerProc) {
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Write-Warning "No active user desktop session detected. Proceeding directly to update."
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} else {
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$sessionId = $explorerProc.SessionId
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Write-Host "Targeting Active Desktop Session ID: $sessionId" -ForegroundColor Green
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# Launch the GUI directly into the active user's physical screen via PsExec
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$psExe = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
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& $psexecPath -accepteula -nobanner -i $sessionId -d $psExe -ExecutionPolicy Bypass -WindowStyle Hidden -File "$guiScript"
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Write-Host "Dialog displayed on screen. Waiting for user response or 1-hour expiration..." -ForegroundColor Yellow
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while (-not (Test-Path $flagFile)) {
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Start-Sleep -Seconds 2
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}
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}
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# --------------------------------------------------------------------------
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# Step 4: Stop 8x8, Silently Install & Relaunch
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# --------------------------------------------------------------------------
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Write-Host "[3/4] Stopping 8x8 processes and installing silently..." -ForegroundColor Cyan
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@@ -107,9 +219,9 @@ try {
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Write-Host "Installation completed successfully." -ForegroundColor Green
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# --------------------------------------------------------------------------
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# Step 4: Launch 8x8 Work
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# Step 5: Launch 8x8 Work
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# --------------------------------------------------------------------------
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Write-Host "[4/4] Launching 8x8 Work..." -ForegroundColor Cyan
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Write-Host "[4/4] Launching updated 8x8 Work..." -ForegroundColor Cyan
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$possiblePaths = @(
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"${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
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@@ -121,9 +233,12 @@ try {
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$exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
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if ($exePath) {
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# Using explorer.exe to launch the executable forces standard user graphics execution
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Start-Process "explorer.exe" -ArgumentList "`"$exePath`""
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Write-Host "8x8 Work launched successfully." -ForegroundColor Green
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if ($explorerProc) {
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& $psexecPath -accepteula -nobanner -i $sessionId -d "$exePath"
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Write-Host "8x8 Work launched successfully in user context." -ForegroundColor Green
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} else {
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Start-Process -FilePath $exePath
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}
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} else {
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Write-Warning "Could not locate 8x8 Work executable."
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}
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Block a user