294 lines
12 KiB
PowerShell
294 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, detects the active interactive
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# desktop user dynamically, presents the unclosable HTA countdown
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# prompt, installs silently, and relaunches 8x8 Work.
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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 $workDir "8x8_Update_Proceed.flag"
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$htaPromptPath = Join-Path $workDir "Show-8x8Prompt.hta"
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$installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
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if (-not (Test-Path $workDir)) {
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New-Item -Path $workDir -ItemType Directory -Force | Out-Null
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}
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$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-v8.36.2-3.msi"
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Write-Host "[1/4] 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: $_"
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exit 1
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}
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# --------------------------------------------------------------------------
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# Step 2: Generate Sleep-Safe Wall-Clock HTA Countdown Dialog
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# --------------------------------------------------------------------------
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Write-Host "[2/4] Generating sleep-safe unclosable dialog..." -ForegroundColor Cyan
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$htaContent = @"
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<!DOCTYPE html>
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<html>
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<head>
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<title>JCT600 IT Support — 8x8 Work Update</title>
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<HTA:APPLICATION
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ID="o8x8Update"
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APPLICATIONNAME="JCT600 8x8 Work Update"
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BORDER="dialog"
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BORDERSTYLE="normal"
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CAPTION="yes"
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CONTEXTMENU="no"
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ICON=""
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INNERBORDER="no"
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MAXIMIZEBUTTON="no"
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MINIMIZEBUTTON="no"
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NAVIGABLE="no"
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SCROLL="no"
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SCROLLFLAT="no"
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SELECTION="no"
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SHOWINTASKBAR="yes"
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SINGLEINSTANCE="yes"
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SYSMENU="no"
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WINDOWSTATE="normal"
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/>
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<style>
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body {
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background-color: #F0F2F5;
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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margin: 0;
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padding: 20px;
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text-align: center;
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user-select: none;
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}
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.header {
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color: #002B49;
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font-size: 17px;
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font-weight: bold;
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margin-bottom: 8px;
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}
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.message {
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color: #333333;
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font-size: 13px;
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line-height: 1.4;
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margin-bottom: 15px;
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}
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.timer {
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color: #C00000;
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font-size: 32px;
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font-weight: bold;
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margin-bottom: 18px;
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letter-spacing: 2px;
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}
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.btn-update {
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background-color: #002B49;
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color: #FFFFFF;
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font-size: 14px;
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font-weight: bold;
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padding: 10px 32px;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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}
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.btn-update:hover {
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background-color: #004B7D;
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}
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</style>
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<script language="javascript">
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var targetTime = new Date().getTime() + (3600 * 1000);
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function initWindow() {
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window.resizeTo(480, 270);
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window.moveTo((screen.width - 480) / 2, (screen.height - 270) / 2);
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tick();
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setInterval(tick, 1000);
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}
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function tick() {
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var now = new Date().getTime();
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var remainingMilliseconds = targetTime - now;
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var totalSeconds = Math.floor(remainingMilliseconds / 1000);
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if (totalSeconds > 0) {
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var mins = Math.floor(totalSeconds / 60);
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var secs = totalSeconds % 60;
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var formattedMins = mins < 10 ? "0" + mins : mins;
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var formattedSecs = secs < 10 ? "0" + secs : secs;
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document.getElementById("timerDisplay").innerText = formattedMins + ":" + formattedSecs;
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} else {
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proceedUpdate();
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}
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}
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function proceedUpdate() {
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try {
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var fso = new ActiveXObject("Scripting.FileSystemObject");
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var file = fso.CreateTextFile("$($flagFile.Replace('\', '\\'))", true);
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file.WriteLine("proceed");
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file.Close();
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} catch(e) {}
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window.close();
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}
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</script>
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</head>
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<body onload="initWindow()">
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<div class="header">JCT600 — IT SUPPORT</div>
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<div class="message">
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An automatic update for 8x8 Work has been scheduled.<br>
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Please save active work or click <b>Update Now</b> to begin.
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</div>
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<div class="timer" id="timerDisplay">60:00</div>
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<button class="btn-update" onclick="proceedUpdate()">Update Now</button>
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</body>
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</html>
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"@
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[System.IO.File]::WriteAllText($htaPromptPath, $htaContent, [System.Text.Encoding]::ASCII)
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# --------------------------------------------------------------------------
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# Step 3: Detect Active Desktop User & Launch HTA Prompt
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# --------------------------------------------------------------------------
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Write-Host "[3/4] Detecting active console user and launching dialog..." -ForegroundColor Cyan
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$explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1
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if (-not $explorerProc) {
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Write-Warning "No active interactive desktop detected. Proceeding directly to update."
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} else {
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# Query owner domain\username directly from explorer process
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$ownerInfo = Get-CimInstance -ClassName Win32_Process -Filter "ProcessId = $($explorerProc.Id)" | Invoke-CimMethod -MethodName GetOwner
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$activeUser = "$($ownerInfo.Domain)\$($ownerInfo.User)"
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Write-Host "Active Desktop User: $activeUser" -ForegroundColor Green
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$taskName = "JCT600_8x8_UpdatePrompt"
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# Register Scheduled Task targeting the interactive token of the active user
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$action = New-ScheduledTaskAction -Execute "mshta.exe" -Argument "`"$htaPromptPath`""
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$trigger = New-ScheduledTaskTrigger -At (Get-Date).AddSeconds(2) -Once
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$principal = New-ScheduledTaskPrincipal -UserId $activeUser -LogonType Interactive -RunLevel Limited
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$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit (New-TimeSpan -Hours 2)
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Register-ScheduledTask -TaskName $taskName -Action $action -Trigger $trigger -Principal $principal -Settings $settings -Force | Out-Null
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Start-ScheduledTask -TaskName $taskName | Out-Null
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Write-Host "Dialog prompt active. Waiting for user action 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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Unregister-ScheduledTask -TaskName $taskName -Confirm:$false -ErrorAction SilentlyContinue
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}
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# --------------------------------------------------------------------------
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# Step 4: Close 8x8 Processes & Install Silently
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# --------------------------------------------------------------------------
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Write-Host "[4/4] 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 $installJob.ExitCode
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}
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Write-Host "Installation completed successfully." -ForegroundColor Green
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# --------------------------------------------------------------------------
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# Step 5: Relaunch 8x8 Work in Active User Session
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# --------------------------------------------------------------------------
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Write-Host "Launching 8x8 Work..." -ForegroundColor Cyan
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$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 -and $activeUser) {
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$launchTask = "JCT600_8x8_Launch"
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$launchAction = New-ScheduledTaskAction -Execute "explorer.exe" -Argument "`"$exePath`""
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$launchTrigger = New-ScheduledTaskTrigger -At (Get-Date).AddSeconds(2) -Once
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$launchPrincipal = New-ScheduledTaskPrincipal -UserId $activeUser -LogonType Interactive -RunLevel Limited
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Register-ScheduledTask -TaskName $launchTask -Action $launchAction -Trigger $launchTrigger -Principal $launchPrincipal -Force | Out-Null
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Start-ScheduledTask -TaskName $launchTask | Out-Null
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Start-Sleep -Seconds 4
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Unregister-ScheduledTask -TaskName $launchTask -Confirm:$false -ErrorAction SilentlyContinue
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Write-Host "8x8 Work launched successfully." -ForegroundColor Green
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} else {
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Start-Process "explorer.exe" -ArgumentList "`"$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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} |