Tests/X509: add unit test for #1243

tests/Unit/File/X509/X509Test.php

@@ -500,4 +500,77 @@ HI8pYRZmT7tKW3HxlZLJGGVo5CgBawdiWngK5v+LwWiNRTqxJA==
 
         $this->assertTrue($x509->validateSignature(false));
     }
+
+    /**
+     * @group github1243
+     */
+    public function testExtensionRemoval()
+    {
+        // Load the CA and its private key.
+        $pemcakey = '-----BEGIN RSA PRIVATE KEY-----
+MIICXQIBAAKBgQCpKtNFBdtRd8eFcq7L7RxvkeeUFcc4QDY6rLDJUpPGp1qL9L7p
+l+rK0L66TGSs+wZTM4awDP2d75HZG2/9LOX5Xy4oAb7aS2PiLDQmVa81t1sA42bs
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+tMPj6Pas7Muejogm6JkmxXC/uT6Tzfknd0B3XSmtDzGL
+-----END RSA PRIVATE KEY-----';
+        $cakey = new Crypt_RSA();
+        $cakey->loadKey($pemcakey);
+        $pemca = '-----BEGIN CERTIFICATE-----
+MIICADCCAWmgAwIBAgIUJXQulcz5xkTam8UGC/yn6iVaiWwwDQYJKoZIhvcNAQEF
+BQAwHDEaMBgGA1UECgwRcGhwc2VjbGliIGRlbW8gQ0EwHhcNMTgwMTIxMTc0NzM0
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+cKVMm1WnOQd4aQgCvzv2r7/gsdX++496vRpBMTfwa1qLBjG6
+-----END CERTIFICATE-----';
+        $ca = new File_X509();
+        $ca->loadX509($pemca);
+        $ca->setPrivateKey($cakey);
+
+        // Read the old certificate.
+        $oldcert = new File_X509();
+        $oldcert->loadCA($pemca);
+        $oldcert->loadX509('-----BEGIN CERTIFICATE-----
+MIIB+TCCAWKgAwIBAgIUW+D7X27oKXHaD6WqFjelccV+D4YwDQYJKoZIhvcNAQEF
+BQAwHDEaMBgGA1UECgwRcGhwc2VjbGliIGRlbW8gQ0EwHhcNMTgwMTIxMTc0NzM0
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+Fqfy+n5VpXOdrjic4yZ52yS5sUaq05s6ZZvnmdU=
+-----END CERTIFICATE-----');
+        $this->assertTrue($oldcert->validateSignature());
+
+        // Set new dates and serial number.
+        $newcert = new File_X509();
+        $newcert->setStartDate('-1 day');
+        $newcert->setEndDate('+2 years');
+        //$newcert->setSerialNumber('1234', 10);
+
+        $oldcert->setDomain('www.google.com');
+
+        // Produce the new certificate by signing the old one.
+        $crt = $newcert->loadX509($newcert->saveX509($newcert->sign($ca, $oldcert)));
+
+        // Output new certificate.
+        $newcert->saveX509($crt);
+    }
 }