JCT/8x8-Work-updater
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Update 8x8_Work_Updater.ps1

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CristianD
2026-08-24 15:06:24 +01:00
parent 38d4117aab
commit e19698185a
1 changed files with 120 additions and 34 deletions
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8x8_Work_Updater.ps1
+120 -34
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@@ -1,8 +1,8 @@
# ==============================================================================
# Script Name: 8x8_Work_Updater.ps1
# Description: Downloads 8x8, uses ServiceUI to display a live countdown GUI
# directly inside the active user's desktop session, silently
# installs 8x8, and relaunches the application.
# Description: Downloads 8x8 with a progress bar, uses native WTSQueryUserToken
# to display the live countdown GUI directly on the active user's
# screen, silently installs 8x8, and relaunches it.
# ==============================================================================
# Ensure script is running elevated
@@ -16,14 +16,12 @@ 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"
$serviceUiPath = Join-Path $workDir "ServiceUI.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 users have permissions to read/execute from this directory
$acl = Get-Acl $workDir
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule("BUILTIN\Users", "FullControl", "ContainerInherit,ObjectInherit", "None", "Allow")
$acl.AddAccessRule($rule)
@@ -31,21 +29,117 @@ Set-Acl $workDir $acl
if (Test-Path $flagFile) { Remove-Item $flagFile -Force }
# ------------------------------------------------------------------------------
# Native C# WTS Session Launcher (Bypasses Session 0 Isolation)
# ------------------------------------------------------------------------------
$WTSLauncherCode = @"
using System;
using System.Runtime.InteropServices;
public class WTSSessionBridge
{
[DllImport("wtsapi32.dll", SetLastError = true)]
private static extern bool WTSQueryUserToken(uint sessionId, out IntPtr phToken);
[DllImport("kernel32.dll")]
private static extern uint WTSGetActiveConsoleSessionId();
[DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern bool CreateProcessAsUser(
IntPtr hToken,
string lpApplicationName,
string lpCommandLine,
IntPtr lpProcessAttributes,
IntPtr lpThreadAttributes,
bool bInheritHandles,
uint dwCreationFlags,
IntPtr lpEnvironment,
string lpCurrentDirectory,
ref STARTUPINFO lpStartupInfo,
out PROCESS_INFORMATION lpProcessInformation
);
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool CloseHandle(IntPtr hObject);
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
private struct STARTUPINFO
{
public int cb;
public string lpReserved;
public string lpDesktop;
public string lpTitle;
public int dwX;
public int dwY;
public int dwXSize;
public int dwYSize;
public int dwXCountChars;
public int dwYCountChars;
public int dwFillAttribute;
public int dwFlags;
public short wShowWindow;
public short cbReserved2;
public IntPtr lpReserved2;
public IntPtr hStdInput;
public IntPtr hStdOutput;
public IntPtr hStdError;
}
[StructLayout(LayoutKind.Sequential)]
private struct PROCESS_INFORMATION
{
public IntPtr hProcess;
public IntPtr hThread;
public int dwProcessId;
public int dwThreadId;
}
public static bool LaunchInActiveSession(string cmd)
{
uint activeSessionId = WTSGetActiveConsoleSessionId();
if (activeSessionId == 0xFFFFFFFF) return false;
IntPtr userToken;
if (!WTSQueryUserToken(activeSessionId, out userToken)) return false;
STARTUPINFO si = new STARTUPINFO();
si.cb = Marshal.SizeOf(si);
si.lpDesktop = @"winsta0\default";
PROCESS_INFORMATION pi = new PROCESS_INFORMATION();
bool success = CreateProcessAsUser(
userToken,
null,
cmd,
IntPtr.Zero,
IntPtr.Zero,
false,
0x00000010, // CREATE_NEW_CONSOLE
IntPtr.Zero,
null,
ref si,
out pi
);
if (pi.hProcess != IntPtr.Zero) CloseHandle(pi.hProcess);
if (pi.hThread != IntPtr.Zero) CloseHandle(pi.hThread);
if (userToken != IntPtr.Zero) CloseHandle(userToken);
return success;
}
}
"@
Add-Type -TypeDefinition $WTSLauncherCode -ErrorAction SilentlyContinue
try {
# --------------------------------------------------------------------------
# Step 1: Download 8x8 Installer & ServiceUI Tool
# 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"
# Portable ServiceUI x64 direct binary
$serviceUiUrl = "https://raw.githubusercontent.com/asheroto/ServiceUI/main/ServiceUI_x64.exe"
Write-Host "[1/5] Downloading 8x8 Work installer and helper tools..." -ForegroundColor Cyan
Write-Host "[1/5] Downloading 8x8 Work installer..." -ForegroundColor Cyan
try {
# Download ServiceUI
Invoke-WebRequest -Uri $serviceUiUrl -OutFile $serviceUiPath -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)" }
@@ -74,12 +168,12 @@ try {
$outputStream.Close(); $inputStream.Close(); $httpClient.Dispose()
Write-Host "`nDownload complete: $installerPath" -ForegroundColor Green
} catch {
Write-Error "`nFailed to download installer or tools. Error: $_"
Write-Error "`nFailed to download installer. Error: $_"
exit 1
}
# --------------------------------------------------------------------------
# Step 2: Write User-Session GUI Script
# Step 2: Write User-Session GUI Script (BOM-Free UTF-8)
# --------------------------------------------------------------------------
Write-Host "[2/5] Generating user-session GUI dialog script..." -ForegroundColor Cyan
@@ -187,23 +281,20 @@ $form.Dispose()
[System.IO.File]::WriteAllText($guiScript, $guiContent, $utf8NoBom)
# --------------------------------------------------------------------------
# Step 3: Launch GUI via ServiceUI Directly into Active User's Session
# Step 3: Launch Interactive GUI Directly in User Session
# --------------------------------------------------------------------------
Write-Host "[3/5] Launching interactive dialog on active user desktop via ServiceUI..." -ForegroundColor Cyan
Write-Host "[3/5] Launching interactive dialog on active user desktop..." -ForegroundColor Cyan
$explorerProc = Get-Process -Name explorer -ErrorAction SilentlyContinue | Select-Object -First 1
$launchCmd = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$guiScript`""
$launched = [WTSSessionBridge]::LaunchInActiveSession($launchCmd)
if (-not $explorerProc) {
Write-Warning "No active desktop session detected. Proceeding directly to update."
} else {
# ServiceUI attaches the process directly into explorer.exe's interactive window station
$serviceUiArgs = "-process:explorer.exe powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$guiScript`""
Start-Process -FilePath $serviceUiPath -ArgumentList $serviceUiArgs
Write-Host "Dialog displayed on user screen. Waiting for user response or 1-hour expiration..." -ForegroundColor Yellow
if ($launched) {
Write-Host "Dialog displayed on user screen. Waiting for response or 1-hour expiration..." -ForegroundColor Yellow
while (-not (Test-Path $flagFile)) {
Start-Sleep -Seconds 2
}
} else {
Write-Warning "No active interactive console session found. Proceeding directly to update."
}
# --------------------------------------------------------------------------
@@ -247,13 +338,8 @@ $form.Dispose()
$exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
if ($exePath) {
if ($explorerProc) {
$launchArgs = "-process:explorer.exe `"$exePath`""
Start-Process -FilePath $serviceUiPath -ArgumentList $launchArgs
Write-Host "8x8 Work launched successfully in user context." -ForegroundColor Green
} else {
Start-Process -FilePath $exePath
}
[WTSSessionBridge]::LaunchInActiveSession("`"$exePath`"") | Out-Null
Write-Host "8x8 Work launched successfully in user context." -ForegroundColor Green
} else {
Write-Warning "Could not locate 8x8 Work executable."
}