Prepare Azure P2S domain deployment

2026-09-08 15:32:07 -06:00
parent 991fc70600
commit a24c25a3fb
18 changed files with 1288 additions and 28 deletions
@@ -0,0 +1,89 @@
+#Requires -Version 5.1
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?$')]
+    [string]$ClientName,
+    [string]$OutputDirectory = (Join-Path $PSScriptRoot '..\artifacts\azure-p2s'),
+    [securestring]$ClientPfxPassword,
+    [string]$RootSubject = 'CN=SGU Azure P2S Root',
+    [ValidateRange(1, 10)]
+    [int]$ClientValidityYears = 2,
+    [switch]$Force
+)
+
+$ErrorActionPreference = 'Stop'
+$resolvedOutputDirectory = [IO.Path]::GetFullPath($OutputDirectory)
+New-Item -ItemType Directory -Path $resolvedOutputDirectory -Force | Out-Null
+$rootCertificatePath = Join-Path $resolvedOutputDirectory 'sgu-azure-p2s-root.cer'
+$clientCertificatePath = Join-Path $resolvedOutputDirectory "sgu-azure-p2s-$ClientName.pfx"
+if ((Test-Path -LiteralPath $clientCertificatePath -PathType Leaf) -and -not $Force) {
+    throw "$clientCertificatePath already exists. Use -Force only when you intend to replace that exported client credential."
+}
+
+if (-not $ClientPfxPassword) {
+    $ClientPfxPassword = Read-Host 'Password that will protect the exported P2S client certificate' -AsSecureString
+}
+
+$rootCertificate = Get-ChildItem Cert:\CurrentUser\My |
+    Where-Object {
+        $_.Subject -eq $RootSubject -and
+        $_.HasPrivateKey -and
+        $_.NotAfter -gt (Get-Date).AddYears($ClientValidityYears)
+    } |
+    Sort-Object NotAfter -Descending |
+    Select-Object -First 1
+
+if (-not $rootCertificate) {
+    if (-not $PSCmdlet.ShouldProcess($RootSubject, 'Create a non-exportable Azure P2S root certificate authority')) {
+        return
+    }
+    $rootCertificate = New-SelfSignedCertificate `
+        -Type Custom `
+        -Subject $RootSubject `
+        -CertStoreLocation Cert:\CurrentUser\My `
+        -KeyAlgorithm RSA `
+        -KeyLength 4096 `
+        -HashAlgorithm SHA256 `
+        -KeySpec Signature `
+        -KeyExportPolicy NonExportable `
+        -KeyUsage CertSign,CRLSign,DigitalSignature `
+        -NotAfter (Get-Date).AddYears(10) `
+        -TextExtension @('2.5.29.19={critical}{text}ca=1&pathlength=1')
+}
+
+if (-not $PSCmdlet.ShouldProcess($ClientName, 'Issue and export an Azure P2S machine certificate')) {
+    return
+}
+
+$clientSubject = "CN=SGU Azure P2S $ClientName"
+$clientCertificate = New-SelfSignedCertificate `
+    -Type Custom `
+    -Subject $clientSubject `
+    -DnsName "sgu-p2s-$ClientName" `
+    -Signer $rootCertificate `
+    -CertStoreLocation Cert:\CurrentUser\My `
+    -KeyAlgorithm RSA `
+    -KeyLength 3072 `
+    -HashAlgorithm SHA256 `
+    -KeySpec Signature `
+    -KeyExportPolicy Exportable `
+    -KeyUsage DigitalSignature `
+    -NotAfter (Get-Date).AddYears($ClientValidityYears) `
+    -TextExtension @('2.5.29.37={text}1.3.6.1.5.5.7.3.2')
+
+Export-Certificate -Cert $rootCertificate -FilePath $rootCertificatePath -Force | Out-Null
+Export-PfxCertificate -Cert $clientCertificate -FilePath $clientCertificatePath `
+    -Password $ClientPfxPassword -ChainOption BuildChain -CryptoAlgorithmOption AES256_SHA256 `
+    -Force | Out-Null
+
+[pscustomobject]@{
+    RootCertificatePath = $rootCertificatePath
+    RootCertificateThumbprint = $rootCertificate.Thumbprint
+    RootCertificateData = [Convert]::ToBase64String($rootCertificate.RawData)
+    ClientName = $ClientName
+    ClientCertificatePath = $clientCertificatePath
+    ClientCertificateThumbprint = $clientCertificate.Thumbprint
+    ClientCertificateExpires = $clientCertificate.NotAfter
+    RootPrivateKeyExportable = $false
+}