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[Mailer][Mime] Refactor S/MIME encryption handling in SMimeEncryptionListener #20935

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[Mailer][Mime] Refactor S/MIME encryption handling in SMimeEncryptionListener #20935

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31 changes: 28 additions & 3 deletions mailer.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1532,7 +1532,7 @@
framework:
mailer:
smime_encrypter:
certificate: '%kernel.project_dir%/var/certificates/smime.crt'
repository: app.my_smime_encrypter

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[Cache Warmup] In CheckExceptionOnInvalidReferenceBehaviorPass.php line 116:
                                                                               
  The service "mailer.smime_encrypter.listener" has a dependency on a non-exi  
  stent service "app.my_smime_encrypter".

.. code-block:: xml

Expand All @@ -1549,7 +1549,7 @@
<framework:config>
<framework:mailer>
<framework:smime-encrypter>
<framework:certificate>%kernel.project_dir%/var/certificates/smime.crt</framework:certificate>
<framework:repository>app.my_smime_encrypter</framework:repository>
</framework:smime-encrypter>
</framework:mailer>
</framework:config>
Expand All @@ -1563,10 +1563,35 @@
return static function (FrameworkConfig $framework): void {
$mailer = $framework->mailer();
$mailer->smimeEncrypter()
->certificate('%kernel.project_dir%/var/certificates/smime.crt')
->repository('app.my_smime_encrypter')
;
};

Check failure on line 1568 in mailer.rst

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GitHub Actions / Code Blocks 

[Cache Warmup] In CheckExceptionOnInvalidReferenceBehaviorPass.php line 116:
                                                                               
  The service "mailer.smime_encrypter.listener" has a dependency on a non-exi  
  stent service "app.my_smime_encrypter".

The ``repository`` option must be a service ID that implements
:class:`Symfony\\Component\\Mailer\\EventListener\\SmimeCertificateRepositoryInterface`::

namespace App\Security;

use Symfony\Component\DependencyInjection\Attribute\Autowire;
use Symfony\Component\Mailer\EventListener\SmimeCertificateRepositoryInterface;

class LocalFileCertificateRepository implements SmimeCertificateRepositoryInterface
{
public function __construct(
#[Autowire(param: 'kernel.project_dir')]
private readonly string $projectDir
){}

public function findCertificatePathFor(string $email): ?string
{
$hash = hash('sha256', strtolower(trim($email)));
$path = sprintf('%s/storage/%s.crt', $this->projectDir, $hash);

return file_exists($path) ? $path : null;
}
}


.. versionadded:: 7.3

Global message encryption configuration was introduced in Symfony 7.3.
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