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<?php |
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namespace DH\Auditor\Provider\Doctrine\Auditing\Transaction; |
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use DH\Auditor\Provider\Doctrine\Persistence\Helper\DoctrineHelper; |
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use DH\Auditor\User\UserInterface; |
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use Doctrine\DBAL\Types\Type; |
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use Doctrine\ORM\EntityManagerInterface; |
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trait AuditTrait |
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{ |
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/** |
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* Returns the primary key value of an entity. |
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* |
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* @param mixed $entity |
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* |
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* @return mixed |
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*/ |
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private function id(EntityManagerInterface $entityManager, $entity) |
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{ |
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$meta = $entityManager->getClassMetadata(DoctrineHelper::getRealClassName($entity)); |
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$pk = $meta->getSingleIdentifierFieldName(); |
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if (isset($meta->fieldMappings[$pk])) { |
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$type = Type::getType($meta->fieldMappings[$pk]['type']); |
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return $this->value($entityManager, $type, $meta->getReflectionProperty($pk)->getValue($entity)); |
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} |
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/** |
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* Primary key is not part of fieldMapping. |
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* |
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* @see https://github.com/DamienHarper/Auditor\Provider\Doctrine/issues/40 |
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* @see https://www.doctrine-project.org/projects/doctrine-orm/en/latest/tutorials/composite-primary-keys.html#identity-through-foreign-entities |
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* We try to get it from associationMapping (will throw a MappingException if not available) |
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*/ |
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$targetEntity = $meta->getReflectionProperty($pk)->getValue($entity); |
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$mapping = $meta->getAssociationMapping($pk); |
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$meta = $entityManager->getClassMetadata($mapping['targetEntity']); |
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$pk = $meta->getSingleIdentifierFieldName(); |
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$type = Type::getType($meta->fieldMappings[$pk]['type']); |
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return $this->value($entityManager, $type, $meta->getReflectionProperty($pk)->getValue($targetEntity)); |
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} |
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/** |
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* Type converts the input value and returns it. |
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* |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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private function value(EntityManagerInterface $entityManager, Type $type, $value) |
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{ |
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if (null === $value) { |
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return; |
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} |
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$platform = $entityManager->getConnection()->getDatabasePlatform(); |
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switch ($type->getName()) { |
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case DoctrineHelper::getDoctrineType('BIGINT'): |
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$convertedValue = (string) $value; |
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break; |
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case DoctrineHelper::getDoctrineType('INTEGER'): |
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case DoctrineHelper::getDoctrineType('SMALLINT'): |
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$convertedValue = (int) $value; |
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break; |
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case DoctrineHelper::getDoctrineType('DECIMAL'): |
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case DoctrineHelper::getDoctrineType('FLOAT'): |
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case DoctrineHelper::getDoctrineType('BOOLEAN'): |
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$convertedValue = $type->convertToPHPValue($value, $platform); |
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break; |
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case 'uuid_binary': |
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case 'uuid_binary_ordered_time': |
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case 'uuid': |
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case 'ulid': |
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// Ramsey UUID / Symfony UID (UUID/ULID) |
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$convertedValue = (string) $value; |
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break; |
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case DoctrineHelper::getDoctrineType('BINARY'): |
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if (\is_resource($value)) { |
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// let's replace resources with a "simple" representation: resourceType#resourceId |
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$convertedValue = get_resource_type($value).'#'.get_resource_id($value); |
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} else { |
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$convertedValue = $type->convertToDatabaseValue($value, $platform); |
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} |
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break; |
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default: |
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$convertedValue = $type->convertToDatabaseValue($value, $platform); |
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} |
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return $convertedValue; |
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} |
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/** |
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* Computes a usable diff. |
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* |
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* @param mixed $entity |
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*/ |
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private function diff(EntityManagerInterface $entityManager, $entity, array $changeset): array |
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{ |
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$meta = $entityManager->getClassMetadata(DoctrineHelper::getRealClassName($entity)); |
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$diff = []; |
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foreach ($changeset as $fieldName => [$old, $new]) { |
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$o = null; |
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$n = null; |
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if ( |
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!isset($meta->embeddedClasses[$fieldName]) |
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&& $meta->hasField($fieldName) |
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&& $this->provider->isAuditedField($entity, $fieldName) |
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) { |
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$mapping = $meta->fieldMappings[$fieldName]; |
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$type = Type::getType($mapping['type']); |
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$o = $this->value($entityManager, $type, $old); |
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$n = $this->value($entityManager, $type, $new); |
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} elseif ( |
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$meta->hasAssociation($fieldName) |
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&& $meta->isSingleValuedAssociation($fieldName) |
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&& $this->provider->isAuditedField($entity, $fieldName) |
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) { |
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$o = $this->summarize($entityManager, $old); |
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$n = $this->summarize($entityManager, $new); |
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} |
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if ($o !== $n) { |
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$diff[$fieldName] = [ |
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'new' => $n, |
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'old' => $o, |
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]; |
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} |
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} |
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return $diff; |
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} |
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/** |
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* Returns an array describing an entity. |
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* |
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* @param null|mixed $entity |
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* @param null|mixed $id |
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*/ |
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private function summarize(EntityManagerInterface $entityManager, $entity = null, $id = null): ?array |
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{ |
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if (null === $entity) { |
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return null; |
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} |
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$entityManager->getUnitOfWork()->initializeObject($entity); // ensure that proxies are initialized |
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$meta = $entityManager->getClassMetadata(DoctrineHelper::getRealClassName($entity)); |
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$pkName = $meta->getSingleIdentifierFieldName(); |
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$pkValue = $id ?? $this->id($entityManager, $entity); |
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// An added guard for proxies that fail to initialize. |
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if (null === $pkValue) { |
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return null; |
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} |
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if (method_exists($entity, '__toString')) { |
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$label = (string) $entity; |
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} else { |
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$label = DoctrineHelper::getRealClassName($entity).'#'.$pkValue; |
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} |
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return [ |
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$pkName => $pkValue, |
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'class' => $meta->name, |
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'label' => $label, |
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'table' => $meta->getTableName(), |
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]; |
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} |
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/** |
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* Blames an audit operation. |
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*/ |
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private function blame(): array |
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{ |
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$user_id = null; |
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$username = null; |
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$client_ip = null; |
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$user_fqdn = null; |
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$user_firewall = null; |
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$securityProvider = $this->provider->getAuditor()->getConfiguration()->getSecurityProvider(); |
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if (null !== $securityProvider) { |
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[$client_ip, $user_firewall] = $securityProvider(); |
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} |
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$userProvider = $this->provider->getAuditor()->getConfiguration()->getUserProvider(); |
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$user = null === $userProvider ? null : $userProvider(); |
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if ($user instanceof UserInterface) { |
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$user_id = $user->getIdentifier(); |
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$username = $user->getUsername(); |
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$user_fqdn = DoctrineHelper::getRealClassName($user); |
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} |
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return [ |
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'client_ip' => $client_ip, |
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'user_firewall' => $user_firewall, |
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'user_fqdn' => $user_fqdn, |
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'user_id' => $user_id, |
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'username' => $username, |
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]; |
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} |
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} |
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DamienHarper /
auditor
