How to Silently Install and Activate the Extension on Windows Devices Using SKYSEA Client View (Cloud Edition) (2/2)

• This script configures settings for both Chrome and Edge browsers.
• This script leaves a log file at the path specified within the script only if an error occurs.
  You can edit the path as needed.

<#
.SYNOPSIS
    Browser Extension Force-Install Configuration Script

.DESCRIPTION
    Adds entries to the ExtensionInstallForcelist for Google Chrome and Microsoft Edge.
    Supports execution with SYSTEM privileges, such as via SKYSEA or AD startup scripts.

.NOTES
    Describe the extension information you want to register in $ExtensionList in the configuration area.
#>

#Requires -Version 5.1
#Requires -RunAsAdministrator

# -----------------------------------------------------------
# [Configuration Area] Extensions to install and log settings
# -----------------------------------------------------------

# Path to the log file
$LogFilePath = "C:\Windows\Temp\BrowserExtensionInstall.log"

# List of target browsers and extension settings
# Format: "ExtensionID;UpdateURL"
$TargetExtensions = @(
    @{
        Name    = "Google Chrome"
        RegPath = "HKLM:\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelist"
        # Example below: Josys ID
        Value   = "moaklgcgokbgplldonjkoochhlefkbjf;https://clients2.google.com/service/update2/crx"
    },
    @{
        Name    = "Microsoft Edge"
        RegPath = "HKLM:\SOFTWARE\Policies\Microsoft\Edge\ExtensionInstallForcelist"
        # Example below: Josys ID
        Value   = "hjifncajikcdkhlofdjjlhcjoennmdfc;https://edge.microsoft.com/extensionwebstorebase/v1/crx"
    }
)

# -----------------------------------------------------------
# Initialization
# -----------------------------------------------------------
$script:HasError = $false

try {
    Start-Transcript -Path $LogFilePath -Append -ErrorAction SilentlyContinue
} catch {
    # Continue execution even if starting the log fails
}

Write-Host "--- Process Started: $(Get-Date) ---"
Write-Host "Execution User: $env:USERNAME"

# -----------------------------------------------------------
# Function Definition
# -----------------------------------------------------------
function Set-BrowserExtension {
    param (
        [string]$BrowserName,
        [string]$RegistryPath,
        [string]$ExtensionData
    )

    Write-Host "`nChecking settings for [$BrowserName]..."

    try {
        # 1. Check and create path
        if (-not (Test-Path $RegistryPath)) {
            Write-Host "  [INFO] Registry key does not exist. Creating: $RegistryPath"
            New-Item -Path $RegistryPath -Force -ErrorAction Stop | Out-Null
        }

        # 2. Get existing values
        $existingProps = Get-ItemProperty -Path $RegistryPath -ErrorAction SilentlyContinue
        $numericNames = @()
        $isDuplicate = $false

        if ($existingProps) {
            # Duplicate check (compare by value content)
            foreach ($prop in $existingProps.PSObject.Properties) {
                if ($prop.Value -eq $ExtensionData) {
                    $isDuplicate = $true
                    Write-Host "  [SKIP] Already registered (Entry: $($prop.Name))"
                    break
                }
            }

            # Get existing sequential numbers (extract numeric names only)
            $numericNames = $existingProps.PSObject.Properties.Name | Where-Object { $_ -match "^\d+$" } | ForEach-Object { [int]$_ } | Sort-Object
        }

        # 3. New registration
        if (-not $isDuplicate) {
            # Calculate Max Value + 1
            $nextNum = 1
            if ($numericNames.Count -gt 0) {
                $nextNum = $numericNames[-1] + 1
            }
            $newValueName = $nextNum.ToString()

            Write-Host "  [ADD] Executing new registration: Name='$newValueName'"
            New-ItemProperty -Path $RegistryPath -Name $newValueName -Value $ExtensionData -PropertyType String -Force -ErrorAction Stop | Out-Null
            Write-Host "  [SUCCESS] Registration completed"
        }

    } catch {
        Write-Error "  [ERROR] An error occurred while processing $BrowserName: $($_.Exception.Message)"
        $script:HasError = $true
    }
}

# -----------------------------------------------------------
# Main Process
# -----------------------------------------------------------

foreach ($target in $TargetExtensions) {
    Set-BrowserExtension -BrowserName $target.Name -RegistryPath $target.RegPath -ExtensionData $target.Value
}

Write-Host "`n--- Process Ended: $(Get-Date) ---"
Stop-Transcript

# -----------------------------------------------------------
# Post-processing (Log deletion check and ExitCode)
# -----------------------------------------------------------

if ($script:HasError) {
    # If an error occurred: Keep the log and return exit code 1 (Failure)
    Write-Warning "An error occurred during processing. Please check the log: $LogFilePath"
    exit 1
} else {
    # If no error occurred: Delete the log and return exit code 0 (Success)
    Remove-Item -Path $LogFilePath -Force -ErrorAction SilentlyContinue
    exit 0
}