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<?php |
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namespace Jsq\Cache\DependencyInjection\Compiler; |
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use Jsq\Cache\EnvelopeEncryption\Decorator as EnvelopeEncryptionDecorator; |
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use Jsq\Cache\PasswordEncryption\Decorator as PasswordEncryptionDecorator; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Definition; |
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use Symfony\Component\DependencyInjection\Reference; |
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class CacheEncrypterCompilerPass implements CompilerPassInterface |
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{ |
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public function process(ContainerBuilder $container) |
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{ |
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$taggedServices = $container->findTaggedServiceIds('cache.encrypted'); |
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foreach ($taggedServices as $id => $tags) { |
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$this->inflateServicesInTag($tags); |
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foreach ($tags as $tag) { |
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$container->setDefinition( |
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isset($tag['alias']) ? $tag['alias'] : "$id.encrypted", |
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$this->buildDecoratorDefinition($id, $tag) |
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); |
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} |
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} |
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} |
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private function buildDecoratorDefinition($decorated, array $tags) |
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{ |
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if ($this->arrayHasKeys($tags, ['certificate', 'key'])) { |
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return $this->buildPkiDecoratorDefinition($decorated, $tags); |
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} |
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return $this->buildPasswordDecoratorDefinition($decorated, $tags); |
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} |
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private function buildPasswordDecoratorDefinition($decorated, array $tags) |
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{ |
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if (empty($tags['password'])) { |
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throw new \DomainException('Cannot encrypt a cache' |
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. ' with an empty password.'); |
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} |
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$args = [new Reference($decorated), $tags['password']]; |
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if (isset($tags['cipher'])) { |
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$args []= $tags['cipher']; |
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} |
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return new Definition(PasswordEncryptionDecorator::class, $args); |
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} |
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private function buildPkiDecoratorDefinition($decorated, array $tag) |
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{ |
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$args = [new Reference($decorated), $tag['certificate'], $tag['key']]; |
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foreach (['password', 'cipher'] as $optionalParameter) { |
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if (isset($tag[$optionalParameter])) { |
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$args []= $tag[$optionalParameter]; |
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} |
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} |
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return new Definition(EnvelopeEncryptionDecorator::class, $args); |
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} |
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private function arrayHasKeys(array $array, array $keys) |
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{ |
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foreach ($keys as $key) { |
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if (!isset($array[$key])) { |
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return false; |
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} |
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} |
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return true; |
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} |
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private function inflateServicesInTag(array &$config) |
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{ |
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array_walk($config, function (&$value) { |
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if (is_array($value)) { |
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$this->inflateServicesInTag($value); |
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} |
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if (is_string($value) && 0 === strpos($value, '@')) { |
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// this is either a service reference or a string meant to |
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// start with an '@' symbol. In any case, lop off the first '@' |
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$value = substr($value, 1); |
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if (0 !== strpos($value, '@')) { |
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// this is a service reference, not a string literal |
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$value = new Reference($value); |
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} |
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} |
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}); |
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} |
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} |
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jeskew /
doctrine-cache-encrypter-bundle
