Files
8x8-Work-updater/8x8_Work_Updater.ps1
T
2026-08-24 15:18:04 +01:00

136 lines
6.1 KiB
PowerShell

# ==============================================================================
# Script Name: 8x8_Work_Updater.ps1
# Description: Downloads 8x8 with a progress bar, triggers a native service
# notification modal dialog on the user screen (bypasses non-interactive
# Session 0 blocks), silently installs, 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
}
# Load required assemblies
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Net.Http
$workDir = "C:\ProgramData\JCT600_8x8Update"
$installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
if (-not (Test-Path $workDir)) {
New-Item -Path $workDir -ItemType Directory -Force | Out-Null
}
try {
# --------------------------------------------------------------------------
# Step 1: Download 8x8 Installer with Stream 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: Show ServiceNotification Dialog (Crosses Session 0 Isolation)
# --------------------------------------------------------------------------
Write-Host "[2/4] Displaying interactive notification on user desktop..." -ForegroundColor Cyan
$title = "JCT600 IT Support — 8x8 Work Update"
$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."
# Use ServiceNotification flag to display onto the interactive desktop
[System.Windows.Forms.MessageBox]::Show(
$message,
$title,
[System.Windows.Forms.MessageBoxButtons]::OK,
[System.Windows.Forms.MessageBoxIcon]::Information,
[System.Windows.Forms.MessageBoxDefaultButton]::Button1,
[System.Windows.Forms.MessageBoxOptions]::ServiceNotification
) | Out-Null
# --------------------------------------------------------------------------
# Step 3: Close Running 8x8 Processes & Install Silently
# --------------------------------------------------------------------------
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 4: Launch 8x8 Work
# --------------------------------------------------------------------------
Write-Host "[4/4] Launching 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) {
# Using explorer.exe to launch the executable forces standard user graphics execution
Start-Process "explorer.exe" -ArgumentList "`"$exePath`""
Write-Host "8x8 Work launched successfully." -ForegroundColor Green
} 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
}
}