Files
8x8-Work-updater/8x8_Work_Updater.ps1
T
2026-08-24 15:29:13 +01:00

180 lines
8.0 KiB
PowerShell

# ==============================================================================
# Script Name: 8x8_Work_Updater.ps1
# Description: Downloads 8x8 with a progress bar, schedules and launches a native
# VBScript interactive countdown directly in the user session,
# waits for user confirmation or 1-hour timeout, silently installs,
# and relaunches 8x8 Work.
# ==============================================================================
# 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"
$vbsScript = Join-Path $workDir "Show-8x8Prompt.vbs"
$installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
if (-not (Test-Path $workDir)) {
New-Item -Path $workDir -ItemType Directory -Force | Out-Null
}
$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
# --------------------------------------------------------------------------
$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
try {
$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. Error: $_"
exit 1
}
# --------------------------------------------------------------------------
# Step 2: Generate VBScript UI Dialog
# --------------------------------------------------------------------------
Write-Host "[2/4] Generating user dialog..." -ForegroundColor Cyan
$vbsContent = @"
Set objShell = CreateObject("WScript.Shell")
Set objFSO = CreateObject("Scripting.FileSystemObject")
strMsg = "An automatic update for 8x8 Work has been scheduled by IT Support." & vbCrLf & vbCrLf & _
"Please save your active work and finish ongoing calls." & vbCrLf & vbCrLf & _
"Click OK to update now, or the update will proceed automatically in 60 minutes."
' 64 = Information Icon, 4096 = System Modal (Always On Top)
intReturn = objShell.Popup(strMsg, 3600, "JCT600 IT Support - 8x8 Work Update", 64 + 4096)
' Create flag file when user clicks OK or when 3600 seconds expire
Set objFile = objFSO.CreateTextFile("$flagFile", True)
objFile.WriteLine("proceed")
objFile.Close
"@
[System.IO.File]::WriteAllText($vbsScript, $vbsContent, [System.Text.Encoding]::ASCII)
# --------------------------------------------------------------------------
# Step 3: Launch Native Dialog inside Active User Session
# --------------------------------------------------------------------------
Write-Host "[3/4] Launching prompt on logged-in user desktop..." -ForegroundColor Cyan
$loggedUser = (Get-CimInstance Win32_ComputerSystem).UserName
if ([string]::IsNullOrWhiteSpace($loggedUser)) {
Write-Warning "No active interactive user detected. Proceeding with silent install."
} else {
$taskName = "JCT600_8x8_UpdatePrompt"
# Schedule task to run interactively under the logged-on user account
schtasks.exe /Create /TN $taskName /TR "wscript.exe `"$vbsScript`"" /SC ONCE /ST 00:00 /IT /RU "$loggedUser" /F | Out-Null
schtasks.exe /Run /TN $taskName | Out-Null
Write-Host "Prompt sent to $loggedUser. Waiting for user confirmation or 1-hour expiration..." -ForegroundColor Yellow
while (-not (Test-Path $flagFile)) {
Start-Sleep -Seconds 2
}
# Cleanup scheduled task
schtasks.exe /Delete /TN $taskName /F | Out-Null
}
# --------------------------------------------------------------------------
# Step 4: Close 8x8 Processes & Install Silently
# --------------------------------------------------------------------------
Write-Host "[4/4] 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: Relaunch 8x8 Work
# --------------------------------------------------------------------------
$possiblePaths = @(
"${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 (-not [string]::IsNullOrWhiteSpace($loggedUser)) {
$launchTask = "JCT600_8x8_Launch"
schtasks.exe /Create /TN $launchTask /TR "`"$exePath`"" /SC ONCE /ST 00:00 /IT /RU "$loggedUser" /F | Out-Null
schtasks.exe /Run /TN $launchTask | Out-Null
Start-Sleep -Seconds 2
schtasks.exe /Delete /TN $launchTask /F | Out-Null
Write-Host "8x8 Work launched in user session." -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
}
}