Files
8x8-Work-updater/8x8_Work_Updater.ps1
T
2026-08-24 15:21:00 +01:00

251 lines
11 KiB
PowerShell

# ==============================================================================
# Script Name: 8x8_Work_Updater.ps1
# Description: Self-contained updater script runnable directly from console.
# Downloads PsExec + 8x8, pops up the live countdown GUI on the
# active user's desktop, silently updates, and relaunches 8x8.
# ==============================================================================
# Ensure script is running elevated
if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
Write-Error "This script must be executed with Administrator privileges."
exit 1
}
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 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"
$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)" }
$totalBytes = $response.Content.Headers.ContentLength
$inputStream = $response.Content.ReadAsStreamAsync().Result
$outputStream = [System.IO.File]::Create($installerPath)
$buffer = New-Object byte[] 8192
$totalBytesRead = 0; $bytesRead = 0
while (($bytesRead = $inputStream.Read($buffer, 0, $buffer.Length)) -gt 0) {
$outputStream.Write($buffer, 0, $bytesRead)
$totalBytesRead += $bytesRead
if ($totalBytes -gt 0) {
$percent = [math]::Round(($totalBytesRead / $totalBytes) * 100)
$downloadedMB = [math]::Round($totalBytesRead / 1MB, 2)
$totalMB = [math]::Round($totalBytes / 1MB, 2)
$barLength = 30
$filledLength = [math]::Round(($percent / 100) * $barLength)
$bar = ("#" * $filledLength) + ("-" * ($barLength - $filledLength))
Write-Host "`rDownloading: [$bar] $percent% ($downloadedMB MB / $totalMB MB)" -NoNewline -ForegroundColor Yellow
}
}
$outputStream.Close(); $inputStream.Close(); $httpClient.Dispose()
Write-Host "`nDownload complete: $installerPath" -ForegroundColor Green
} catch {
Write-Error "`nFailed to download installer or tools. Error: $_"
exit 1
}
# --------------------------------------------------------------------------
# Step 2: Generate User-Session GUI Script (BOM-Free UTF-8)
# --------------------------------------------------------------------------
Write-Host "[2/4] Generating countdown dialog for active desktop..." -ForegroundColor Cyan
$guiContent = @'
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
$flagPath = "C:\ProgramData\JCT600_8x8Update\8x8_Update_Proceed.flag"
$form = New-Object System.Windows.Forms.Form
$form.Text = "JCT600 IT Support — 8x8 Work Update"
$form.Size = New-Object System.Drawing.Size(460, 260)
$form.StartPosition = 'CenterScreen'
$form.FormBorderStyle = 'FixedDialog'
$form.MaximizeBox = $false
$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: 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
$targetProcesses = Get-Process | Where-Object {
$_.ProcessName -like "*8x8*" -or $_.MainWindowTitle -like "*8x8*"
}
if ($targetProcesses) {
foreach ($proc in $targetProcesses) {
Stop-Process -Id $proc.Id -Force -ErrorAction SilentlyContinue
}
Start-Sleep -Seconds 3
}
$msiArgs = "/i `"$installerPath`" /quiet /norestart"
$installJob = Start-Process msiexec.exe -ArgumentList $msiArgs -Wait -PassThru
if ($installJob.ExitCode -ne 0 -and $installJob.ExitCode -ne 3010) {
Write-Error "Installation failed with exit code $($installJob.ExitCode)."
exit $installJob.ExitCode
}
Write-Host "Installation completed successfully." -ForegroundColor Green
# --------------------------------------------------------------------------
# Step 5: Launch 8x8 Work
# --------------------------------------------------------------------------
Write-Host "[4/4] Launching updated 8x8 Work..." -ForegroundColor Cyan
$possiblePaths = @(
"${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
"${env:ProgramFiles(x86)}\8x8 Inc\8x8 Work\8x8 Work.exe",
"${env:ProgramFiles}\8x8 Work\8x8 Work.exe",
"$env:LocalAppData\Programs\8x8 Work\8x8 Work.exe"
)
$exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
if ($exePath) {
if ($explorerProc) {
& $psexecPath -accepteula -nobanner -i $sessionId -d "$exePath"
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."
}
} finally {
Write-Host "Cleaning up temporary files..." -ForegroundColor Gray
if (Test-Path $workDir) {
Remove-Item $workDir -Recurse -Force -ErrorAction SilentlyContinue
}
}