<?php

/** DomFramework - Tests
  * @package domframework
  * @author Dominique Fournier <dominique@fournier38.fr>
  * @license BSD
  */

namespace Domframework\Tests;

use Domframework\Certificationauthority;

/** Test the certification Authority
  */
class CertificationauthorityTest extends \PHPUnit_Framework_TestCase
{
    public function test_createCA_1()
    {
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = explode("\n", $certificationauthority->caCert());
        $caKey = explode("\n", $certificationauthority->caKey());
        $res = $caCert[0] .  $caKey[0];
        $this->assertSame(
            $res,
            "-----BEGIN CERTIFICATE----------BEGIN PRIVATE KEY-----"
        );
    }

    public function test_createCA_2()
    {
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        file_put_contents("/tmp/test_createCA_2", $caCert);
        exec("openssl x509 -in - -text -noout < /tmp/test_createCA_2", $output);
        $res = preg_match(
            "# CA:TRUE#",
            implode("\n", $output)
        );
        unlink("/tmp/test_createCA_2");
        $this->assertSame($res, 1);
    }

    public function test_createPK_1()
    {
        $certificationauthority = new Certificationauthority();
        $privateKey = $certificationauthority->createPrivateKey() -> privateKey();
        $privateKey = explode("\n", $privateKey);
        $this->assertSame($privateKey[0], "-----BEGIN PRIVATE KEY-----");
    }

    public function test_createCSR_1()
    {
        $certificationauthority = new Certificationauthority();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $csr = explode("\n", $csr);
        $this->assertSame($csr[0], "-----BEGIN CERTIFICATE REQUEST-----");
    }

    public function test_signCSR_1()
    {
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $cert = $certificationauthority->signCSR($csr, $caCert, $caKey);
        $cert = explode("\n", $cert);
        $this->assertSame($cert[0], "-----BEGIN CERTIFICATE-----");
    }

    public function test_signCSR_2()
    {
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $cert = $certificationauthority->signCSR($csr, $caCert, $caKey);
        file_put_contents("/tmp/test_signCSR_2", $cert);
        exec("openssl x509 -in - -text -noout < /tmp/test_signCSR_2", $output);
        $res = preg_match(
            "#Subject: C = FR, .+ CN = CSR#",
            implode("\n", $output)
        );
        unlink("/tmp/test_signCSR_2");
        $this->assertSame($res, 1);
    }

    public function test_signCSR_3()
    {
      // Check if generated cert X509v3 Extended Key Usage are valid
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $cert = $certificationauthority->signCSR($csr, $caCert, $caKey);
        file_put_contents("/tmp/test_signCSR_3", $cert);
        exec("openssl x509 -in - -text -noout < /tmp/test_signCSR_3", $output);
        $res = preg_match(
            "#TLS Web Server Authentication, TLS Web Client Authentication#",
            implode("\n", $output)
        );
        unlink("/tmp/test_signCSR_3");
        $this->assertSame($res, 1);
    }

    public function test_signCSR_4()
    {
      // Check if generated cert issuer name is valid
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $cert = $certificationauthority->signCSR($csr, $caCert, $caKey);
        file_put_contents("/tmp/test_signCSR_4", $cert);
        exec("openssl x509 -in - -text -noout < /tmp/test_signCSR_4", $output);
        $res = preg_match(
            "#Issuer: C = FR, O = FOURNIER38, CN = CATEST#",
            implode("\n", $output)
        );
        unlink("/tmp/test_signCSR_4");
        $this->assertSame($res, 1);
    }

    public function test_signCSR_5()
    {
      // Check if generated cert is not tagged CA
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR("FR", "FOURNIER38", "CSR");
        $cert = $certificationauthority->signCSR($csr, $caCert, $caKey);
        file_put_contents("/tmp/test_signCSR_5", $cert);
        exec("openssl x509 -in - -text -noout < /tmp/test_signCSR_5", $output);
        $res = preg_match(
            "# CA:FALSE#",
            implode("\n", $output)
        );
        unlink("/tmp/test_signCSR_5");
        $this->assertSame($res, 1);
    }

    public function test_signCSR_6()
    {
      // Check if generated cert has Alternative Names
        $certificationauthority = new Certificationauthority();
        $certificationauthority->createCA("FR", "FOURNIER38", "CATEST");
        $caCert = $certificationauthority->caCert();
        $caKey = $certificationauthority->caKey();
        $csr =  $certificationauthority->createCSR(
            "FR",
            "FOURNIER38",
            "CSR.fournier38.fr"
        );
        $cert = $certificationauthority->signCSR(
            $csr,
            $caCert,
            $caKey,
            null,
            ["ALT1.example.com","ALT2.example.com"]
        );
        file_put_contents("/tmp/test_signCSR_6", $cert);
        exec("openssl x509 -in - -text -noout < /tmp/test_signCSR_6", $output);
        $res = preg_match(
            "#DNS:CSR.fournier38.fr, DNS:ALT1.example.com, DNS:ALT#",
            implode("\n", $output)
        );
        unlink("/tmp/test_signCSR_6");
        $this->assertSame($res, 1);
    }
}