Add windows install script

install-scripts/install-endpoint-windows.ps1

@@ -0,0 +1,95 @@
+# Downloads and installs SafeChain Ultimate endpoint on Windows
+#
+# Usage: iex "& { $(iwr '<url>' -UseBasicParsing) } -token <TOKEN>"
+
+param(
+    [string]$token
+)
+
+# Configuration
+$InstallUrl = "https://github.com/AikidoSec/safechain-internals/releases/download/v1.2.5/SafeChainUltimate.msi"
+$DownloadSha256 = "c4d1be7bb2128473b8e955244dc186b5d3f091f668b43cdd3d810cff9d38193c"
+
+# Ensure TLS 1.2 is enabled for downloads
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+# Helper functions
+function Write-Info {
+    param([string]$Message)
+    Write-Host "[INFO] $Message" -ForegroundColor Green
+}
+
+function Write-Error-Custom {
+    param([string]$Message)
+    Write-Host "[ERROR] $Message" -ForegroundColor Red
+    exit 1
+}
+
+# Check if running as Administrator
+function Test-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = New-Object Security.Principal.WindowsPrincipal($identity)
+    return $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+}
+
+# Main installation
+function Install-Endpoint {
+    # 1. Check if we're running as Administrator
+    if (-not (Test-Administrator)) {
+        Write-Error-Custom "Administrator privileges required. Please run this script in an elevated terminal (Run as Administrator)."
+    }
+
+    # Check if token is provided, prompt if not
+    if ([string]::IsNullOrWhiteSpace($token)) {
+        $token = Read-Host "Enter your Aikido endpoint token"
+        if ([string]::IsNullOrWhiteSpace($token)) {
+            Write-Error-Custom "Token is required. Pass it with -token <TOKEN> or enter it when prompted."
+        }
+    }
+
+    # 2. Download the .msi
+    $msiFile = Join-Path $env:TEMP "SafeChainUltimate-$([System.Guid]::NewGuid().ToString('N')).msi"
+
+    Write-Info "Downloading SafeChain Ultimate..."
+    try {
+        $ProgressPreference = 'SilentlyContinue'
+        Invoke-WebRequest -Uri $InstallUrl -OutFile $msiFile -UseBasicParsing
+        $ProgressPreference = 'Continue'
+    }
+    catch {
+        Write-Error-Custom "Failed to download from $InstallUrl : $_"
+    }
+
+    try {
+        # Verify SHA256 checksum
+        Write-Info "Verifying checksum..."
+        $actualHash = (Get-FileHash -Path $msiFile -Algorithm SHA256).Hash.ToLower()
+        if ($actualHash -ne $DownloadSha256) {
+            Write-Error-Custom "Checksum verification failed. Expected: $DownloadSha256, Got: $actualHash"
+        }
+        Write-Info "Checksum verified successfully."
+
+        # 3. Install the package with token passed as MSI property
+        Write-Info "Installing SafeChain Ultimate..."
+        $process = Start-Process -FilePath "msiexec" -ArgumentList "/i", "`"$msiFile`"", "/qn", "/norestart", "AIKIDO_TOKEN=$token" -Wait -PassThru
+        if ($process.ExitCode -ne 0) {
+            Write-Error-Custom "MSI installer failed (exit code: $($process.ExitCode))."
+        }
+
+        Write-Info "SafeChain Ultimate installed successfully!"
+    }
+    finally {
+        # Cleanup
+        if (Test-Path $msiFile) {
+            Remove-Item -Path $msiFile -Force -ErrorAction SilentlyContinue
+        }
+    }
+}
+
+# Run installation
+try {
+    Install-Endpoint
+}
+catch {
+    Write-Error-Custom "Installation failed: $_"
+}