test-certificate.ps1

test-certificate.ps1

function test-certificate($domain, $contextLength = 10) {
    
    $cacertPath = "c:\cacert.pem"
    $domain += ":443"
    echo "q" | openssl s_client -connect $domain -CAfile $cacertPath  | openssl x509 -noout -enddate | sls "notAfter.*"
    echo "q" | openssl s_client -connect $domain -CAfile $cacertPath  | sls "certificate chain" -Context $contextLength
    Write-Host "~~~" -ForegroundColor darkcyan
    Write-Host "→ If needed, pass a desired output length after domainname" -ForegroundColor darkcyan
    Write-Host "→ To update the list of trusted Certificates, run:" -ForegroundColor darkcyan
    Write-Host "→ Invoke-WebRequest https://curl.se/ca/cacert.pem -OutFile 'c:\cacert.pem'" -ForegroundColor darkcyan
    Write-Host "~~~" -ForegroundColor darkcyan
}