96 lines
4.1 KiB
PowerShell
96 lines
4.1 KiB
PowerShell
[CmdletBinding()]
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param(
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[string]$ManifestUrl = "https://gitea.officecom.cloud/officecom/oc-sentinel/raw/main/release/stable/version.json",
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[switch]$RunInitialStatusScan
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)
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$ErrorActionPreference = "Stop"
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$ProgressPreference = "SilentlyContinue"
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[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
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$installRoot = Join-Path $env:ProgramFiles "OCSentinel"
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$updaterPath = Join-Path $installRoot "scripts\update-ocsentinel.ps1"
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$monitorPath = Join-Path $installRoot "scripts\run-ocsentinel-monitor.ps1"
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$appPath = Join-Path $installRoot "app\OCSentinelCli.exe"
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function Assert-ArtifactSignature {
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param([Parameter(Mandatory)][string]$ExecutablePath)
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$signature = Get-AuthenticodeSignature -FilePath $ExecutablePath
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if ($signature.Status -notin @("Valid", "NotSigned")) {
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throw "Executable signature validation failed with status: $($signature.Status)"
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}
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if ($signature.Status -eq "NotSigned") {
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Write-Warning "The package hash was verified, but OCSentinelCli.exe is not code-signed yet."
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}
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}
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if (Test-Path -LiteralPath $updaterPath) {
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Write-Host "Existing OCSentinel installation found. Checking for updates."
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& powershell.exe -NoProfile -ExecutionPolicy Bypass -File $updaterPath -ManifestUrl $ManifestUrl
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if ($LASTEXITCODE -ne 0) {
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throw "OCSentinel updater exited with code $LASTEXITCODE"
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}
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}
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else {
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Write-Host "Reading OCSentinel release manifest: $ManifestUrl"
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$manifest = Invoke-RestMethod -Method Get -Uri $ManifestUrl -TimeoutSec 60
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if ([string]::IsNullOrWhiteSpace($manifest.version) -or [string]::IsNullOrWhiteSpace($manifest.artifactUrl) -or [string]::IsNullOrWhiteSpace($manifest.sha256)) {
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throw "Release manifest is missing version, artifactUrl, or sha256."
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}
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$downloadRoot = Join-Path $env:ProgramData ("OCSentinel\\bootstrap\\" + [Guid]::NewGuid().ToString("N"))
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$zipPath = Join-Path $downloadRoot "OCSentinelClient.zip"
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$extractRoot = Join-Path $downloadRoot "payload"
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try {
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New-Item -ItemType Directory -Force -Path $extractRoot | Out-Null
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Write-Host "Downloading OCSentinel $($manifest.version)"
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Invoke-WebRequest -Uri ([string]$manifest.artifactUrl) -OutFile $zipPath -TimeoutSec 300
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$actualHash = (Get-FileHash -LiteralPath $zipPath -Algorithm SHA256).Hash.ToLowerInvariant()
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$expectedHash = ([string]$manifest.sha256).ToLowerInvariant()
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if ($actualHash -ne $expectedHash) {
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throw "SHA-256 mismatch for the downloaded OCSentinel package."
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}
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Write-Host "Package hash verified. Extracting release payload."
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Expand-Archive -LiteralPath $zipPath -DestinationPath $extractRoot -Force
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$payloadApp = Get-ChildItem -Path $extractRoot -Recurse -Filter "OCSentinelCli.exe" | Select-Object -First 1
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$installer = Get-ChildItem -Path $extractRoot -Recurse -Filter "install-ocsentinel.ps1" | Select-Object -First 1
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if ($null -eq $payloadApp -or $null -eq $installer) {
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throw "The downloaded package is incomplete."
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}
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Assert-ArtifactSignature -ExecutablePath $payloadApp.FullName
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& powershell.exe -NoProfile -ExecutionPolicy Bypass -File $installer.FullName
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if ($LASTEXITCODE -ne 0) {
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throw "OCSentinel installer exited with code $LASTEXITCODE"
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}
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}
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finally {
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if (Test-Path -LiteralPath $downloadRoot) {
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Remove-Item -LiteralPath $downloadRoot -Recurse -Force
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}
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}
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}
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if (-not (Test-Path -LiteralPath $appPath)) {
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throw "OCSentinel installation completed, but the client executable was not found."
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}
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if ($RunInitialStatusScan) {
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if (-not (Test-Path -LiteralPath $monitorPath)) {
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throw "OCSentinel was installed, but the monitor script is missing."
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}
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Write-Host "Running initial OCSentinel status scan."
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& powershell.exe -NoProfile -ExecutionPolicy Bypass -File $monitorPath -Mode status -OutputPath "..\\reports\\ocsentinel-summary.json"
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if ($LASTEXITCODE -ne 0) {
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throw "Initial OCSentinel status scan exited with code $LASTEXITCODE"
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}
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}
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Write-Host "OCSentinel bootstrap completed successfully."
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