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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mime\Tests\Crypto;
use Symfony\Component\Mime\Crypto\SMimeEncrypter;
use Symfony\Component\Mime\Crypto\SMimeSigner;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\Header\Headers;
use Symfony\Component\Mime\Message;
use Symfony\Component\Mime\Part\DataPart;
use Symfony\Component\Mime\Part\TextPart;
#[\PHPUnit\Framework\Attributes\RequiresPhpExtension('openssl')]
class SMimeSignerTest extends SMimeTestCase
{
public function testSignedMessage()
{
$message = new Message(
(new Headers())
->addDateHeader('Date', new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->addMailboxListHeader('From', ['fabien@symfony.com']),
new TextPart('content')
);
$signer = new SMimeSigner($this->samplesDir.'sign.crt', $this->samplesDir.'sign.key');
$signedMessage = $signer->sign($message);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
public function testSignEncryptedMessage()
{
$message = (new Email())
->date(new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->to('fabien@symfony.com')
->subject('Testing')
->from('noreply@example.com')
->text('El Barto was not here');
$message->getHeaders()->addIdHeader('Message-ID', 'some@id');
$encrypter = new SMimeEncrypter($this->samplesDir.'encrypt.crt');
$encryptedMessage = $encrypter->encrypt($message);
$signer = new SMimeSigner($this->samplesDir.'sign.crt', $this->samplesDir.'sign.key');
$signedMessage = $signer->sign($encryptedMessage);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
public function testSignedMessageWithPassphrase()
{
$message = new Message(
(new Headers())
->addDateHeader('Date', new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->addMailboxListHeader('From', ['fabien@symfony.com']),
new TextPart('content')
);
$signer = new SMimeSigner($this->samplesDir.'sign3.crt', $this->samplesDir.'sign3.key', 'symfony-rocks');
$signedMessage = $signer->sign($message);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
public function testProperSerialiable()
{
$message = (new Email())
->date(new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->to('fabien@symfony.com')
->subject('Testing')
->from('noreply@example.com')
->text('El Barto was not here');
$message->getHeaders()->addIdHeader('Message-ID', 'some@id');
$signer = new SMimeSigner($this->samplesDir.'sign.crt', $this->samplesDir.'sign.key');
$signedMessage = $signer->sign($message);
$restoredMessage = unserialize(serialize($signedMessage));
self::assertSame($this->iterableToString($signedMessage->toIterable()), $this->iterableToString($restoredMessage->toIterable()));
self::assertSame($signedMessage->toString(), $restoredMessage->toString());
$this->assertMessageSignatureIsValid($restoredMessage, $message);
}
public function testSignedMessageWithBcc()
{
$message = (new Email())
->date(new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->to('fabien@symfony.com')
->addBcc('fabien@symfony.com', 's.stok@rollerscapes.net')
->subject('I am your sign of fear')
->from('noreply@example.com')
->text('El Barto was not here');
$signer = new SMimeSigner($this->samplesDir.'sign.crt', $this->samplesDir.'sign.key');
$signedMessage = $signer->sign($message);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
public function testSignedMessageWithAttachments()
{
$message = new Email((new Headers())
->addDateHeader('Date', new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->addMailboxListHeader('From', ['fabien@symfony.com'])
->addMailboxListHeader('To', ['fabien@symfony.com'])
);
$message->html('html content <img src="cid:test.gif">');
$message->text('text content');
$message->addPart(new DataPart(fopen(__DIR__.'/../Fixtures/mimetypes/test', 'r')));
$message->addPart(new DataPart(fopen(__DIR__.'/../Fixtures/mimetypes/test.gif', 'r'), 'test.gif'));
$signer = new SMimeSigner($this->samplesDir.'sign.crt', $this->samplesDir.'sign.key');
$signedMessage = $signer->sign($message);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
public function testSignedMessageExtraCerts()
{
$message = new Message(
(new Headers())
->addDateHeader('Date', new \DateTimeImmutable('2019-04-07 10:36:30', new \DateTimeZone('Europe/Paris')))
->addMailboxListHeader('From', ['fabien@symfony.com']),
new TextPart('content')
);
$signer = new SMimeSigner(
$this->samplesDir.'sign.crt',
$this->samplesDir.'sign.key',
null,
$this->samplesDir.'intermediate.crt',
\PKCS7_DETACHED
);
$signedMessage = $signer->sign($message);
$this->assertMessageSignatureIsValid($signedMessage, $message);
}
private function assertMessageSignatureIsValid(Message $message, Message $originalMessage): void
{
$messageFile = $this->generateTmpFilename();
$messageString = $message->toString();
file_put_contents($messageFile, $messageString);
$this->assertMessageHeaders($message, $originalMessage);
$this->assertTrue(openssl_pkcs7_verify($messageFile, 0, $this->generateTmpFilename(), [$this->samplesDir.'ca.crt']), \sprintf('Verification of the message %s failed. Internal error "%s".', $messageFile, openssl_error_string()));
if (!str_contains($messageString, 'enveloped-data')) {
// Tamper to ensure it actually verified
file_put_contents($messageFile, str_replace('Content-Transfer-Encoding: ', 'Content-Transfer-Encoding: ', $messageString));
$this->assertFalse(openssl_pkcs7_verify($messageFile, 0, $this->generateTmpFilename(), [$this->samplesDir.'ca.crt']), \sprintf('Verification of the message failed. Internal error "%s".', openssl_error_string()));
}
}
}
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