272 lines
12 KiB
PowerShell
272 lines
12 KiB
PowerShell
# ==============================================================================
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# Script Name: 8x8_Work_Updater.ps1
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# Description: Downloads 8x8 with a progress bar, injects a user-session GUI
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# countdown dialog via HKU RunOnce, waits for user response/timer,
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# silently installs, and relaunches 8x8.
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# ==============================================================================
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# Ensure script is running elevated
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if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
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Write-Error "This script must be executed with Administrator privileges."
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exit 1
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}
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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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if (-not (Test-Path $workDir)) {
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New-Item -Path $workDir -ItemType Directory -Force | Out-Null
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}
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# Ensure standard users have full read/execute permissions to the working folder
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$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 $flagFile -Force }
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try {
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# --------------------------------------------------------------------------
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# Step 1: Download 8x8 Setup Installer with Console Progress Bar
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# --------------------------------------------------------------------------
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$installerUrl = "https://work-desktop-assets.8x8.com/prod-publish/ga/work-64-msi-v8.35.2-6.msi"
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$installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
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Write-Host "[1/5] Downloading 8x8 Work installer..." -ForegroundColor Cyan
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try {
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$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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$totalBytes = $response.Content.Headers.ContentLength
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$inputStream = $response.Content.ReadAsStreamAsync().Result
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$outputStream = [System.IO.File]::Create($installerPath)
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$buffer = New-Object byte[] 8192
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$totalBytesRead = 0; $bytesRead = 0
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while (($bytesRead = $inputStream.Read($buffer, 0, $buffer.Length)) -gt 0) {
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$outputStream.Write($buffer, 0, $bytesRead)
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$totalBytesRead += $bytesRead
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if ($totalBytes -gt 0) {
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$percent = [math]::Round(($totalBytesRead / $totalBytes) * 100)
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$downloadedMB = [math]::Round($totalBytesRead / 1MB, 2)
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$totalMB = [math]::Round($totalBytes / 1MB, 2)
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$barLength = 30
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$filledLength = [math]::Round(($percent / 100) * $barLength)
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$bar = ("#" * $filledLength) + ("-" * ($barLength - $filledLength))
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Write-Host "`rDownloading: [$bar] $percent% ($downloadedMB MB / $totalMB MB)" -NoNewline -ForegroundColor Yellow
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}
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}
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$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: $_"
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exit 1
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}
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# --------------------------------------------------------------------------
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# Step 2: Write User-Session GUI Script (BOM-Free UTF-8)
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# --------------------------------------------------------------------------
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Write-Host "[2/5] Generating user-session GUI dialog script..." -ForegroundColor Cyan
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$guiContent = @'
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Add-Type -AssemblyName System.Windows.Forms
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Add-Type -AssemblyName System.Drawing
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$signature = @"
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[DllImport("user32.dll", SetLastError = true)]
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public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
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"@
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$Win32SetWindowPos = Add-Type -memberDefinition $signature -Name "Win32SetWindowPos" -namespace Win32Functions -passThru
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$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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$form.Size = New-Object System.Drawing.Size(440, 250)
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$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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$labelHeader.Size = New-Object System.Drawing.Size(380, 25)
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$labelHeader.Font = New-Object System.Drawing.Font("Segoe UI", 11, [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 begin."
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$labelMsg.Location = New-Object System.Drawing.Point(20, 45)
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$labelMsg.Size = New-Object System.Drawing.Size(380, 45)
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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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$labelTimer.Size = New-Object System.Drawing.Size(380, 40)
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$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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$btnUpdateNow.Font = New-Object System.Drawing.Font("Segoe UI", 9, [System.Drawing.FontStyle]::Bold)
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$btnUpdateNow.Size = New-Object System.Drawing.Size(140, 35)
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$btnUpdateNow.Location = New-Object System.Drawing.Point(140, 150)
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$btnUpdateNow.UseVisualStyleBackColor = $true
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$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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$form.Add_Shown({
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[Win32Functions.Win32SetWindowPos]::SetWindowPos($form.Handle, [IntPtr] -1, 0, 0, 0, 0, 0x0003) | Out-Null
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$form.Activate()
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})
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$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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$timer.Add_Tick({
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if ($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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[Win32Functions.Win32SetWindowPos]::SetWindowPos($form.Handle, [IntPtr] -1, 0, 0, 0, 0, 0x0003) | Out-Null
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} else {
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$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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$form.ShowDialog() | Out-Null
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$timer.Dispose()
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$form.Dispose()
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'@
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$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
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[System.IO.File]::WriteAllText($guiScript, $guiContent, $utf8NoBom)
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# --------------------------------------------------------------------------
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# Step 3: Trigger Interactive GUI via Active Desktop Process Execution
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# --------------------------------------------------------------------------
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Write-Host "[3/5] Launching interactive dialog on active user desktop..." -ForegroundColor Cyan
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$explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1
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if (-not $explorerProc) {
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Write-Warning "No active desktop session detected. Proceeding directly to update."
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} else {
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# Query active user SID from Explorer process
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$userSid = (Get-CimInstance -ClassName Win32_Process -Filter "ProcessId = $($explorerProc.Id)" | Invoke-CimMethod -MethodName GetOwnerSid).Sid
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if ($userSid) {
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# Inject RunOnce command directly into active user registry hive
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$regPath = "Registry::HKEY_USERS\$userSid\Software\Microsoft\Windows\CurrentVersion\RunOnce"
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$cmdToRun = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$guiScript`""
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if (Test-Path $regPath) {
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Set-ItemProperty -Path $regPath -Name "JCT600_8x8_UpdateGUI" -Value $cmdToRun -Force
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# Signal Explorer shell to execute RunOnce entries for active session
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Start-Process "explorer.exe" -ArgumentList "shell:::{2559a1f3-21d7-11d4-bdaf-00c04f60b9f0}" -ErrorAction SilentlyContinue
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}
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}
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Write-Host "Waiting for user dialog response or timer expiration (1 hour max)..." -ForegroundColor Yellow
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while (-not (Test-Path $flagFile)) {
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Start-Sleep -Seconds 2
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}
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}
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# --------------------------------------------------------------------------
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# Step 4: Close Running 8x8 Processes & Install Silently
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# --------------------------------------------------------------------------
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Write-Host "[4/5] Stopping 8x8 processes and installing silently..." -ForegroundColor Cyan
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$targetProcesses = Get-Process | Where-Object {
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$_.ProcessName -like "*8x8*" -or $_.MainWindowTitle -like "*8x8*"
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}
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if ($targetProcesses) {
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foreach ($proc in $targetProcesses) {
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Stop-Process -Id $proc.Id -Force -ErrorAction SilentlyContinue
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}
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Start-Sleep -Seconds 3
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}
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$msiArgs = "/i `"$installerPath`" /quiet /norestart"
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$installJob = Start-Process msiexec.exe -ArgumentList $msiArgs -Wait -PassThru
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if ($installJob.ExitCode -ne 0 -and $installJob.ExitCode -ne 3010) {
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Write-Error "Installation failed with exit code $($installJob.ExitCode)."
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exit $installJob.ExitCode
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}
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Write-Host "Installation completed successfully." -ForegroundColor Green
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# --------------------------------------------------------------------------
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# Step 5: Launch 8x8 Work via Explorer Shell
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# --------------------------------------------------------------------------
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Write-Host "[5/5] Launching 8x8 Work..." -ForegroundColor Cyan
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$possiblePaths = @(
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"${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
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"${env:ProgramFiles(x86)}\8x8 Inc\8x8 Work\8x8 Work.exe",
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"${env:ProgramFiles}\8x8 Work\8x8 Work.exe",
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"$env:LocalAppData\Programs\8x8 Work\8x8 Work.exe"
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)
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$exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
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if ($exePath) {
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if ($explorerProc) {
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# Run 8x8 via explorer.exe to launch under standard user graphics context
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Start-Process "explorer.exe" -ArgumentList "`"$exePath`""
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Write-Host "8x8 Work launched successfully." -ForegroundColor Green
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} 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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} finally {
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Write-Host "Cleaning up temporary files..." -ForegroundColor Gray
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if (Test-Path $workDir) {
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Remove-Item $workDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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} |