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<?php
namespace Laminas\Db\Adapter\Platform;
use Laminas\Db\Adapter\Driver\DriverInterface;
use Laminas\Db\Adapter\Driver\Oci8\Oci8;
use Laminas\Db\Adapter\Driver\Pdo\Pdo;
use Laminas\Db\Adapter\Exception\InvalidArgumentException;
use function addcslashes;
use function get_resource_type;
use function implode;
use function str_replace;
use function trigger_error;
class Oracle extends AbstractPlatform
{
/** @var null|Pdo|Oci8|\PDO */
protected $resource;
/**
* @param array $options
* @param null|Oci8|Pdo $driver
*/
public function __construct($options = [], $driver = null)
{
if (
isset($options['quote_identifiers'])
&& ($options['quote_identifiers'] === false
|| $options['quote_identifiers'] === 'false')
) {
$this->quoteIdentifiers = false;
}
if ($driver) {
$this->setDriver($driver);
}
}
/**
* @param Pdo|Oci8 $driver
* @return $this Provides a fluent interface
* @throws InvalidArgumentException
*/
public function setDriver($driver)
{
if (
$driver instanceof Oci8
|| ($driver instanceof Pdo && $driver->getDatabasePlatformName() === 'Oracle')
|| $driver instanceof \oci8
|| ($driver instanceof \PDO && $driver->getAttribute(\PDO::ATTR_DRIVER_NAME) === 'oci')
) {
$this->resource = $driver;
return $this;
}
throw new InvalidArgumentException(
'$driver must be a Oci8 or Oracle PDO Laminas\Db\Adapter\Driver, '
. 'Oci8 instance, or Oci PDO instance'
);
}
/**
* @return null|Pdo|Oci8
*/
public function getDriver()
{
return $this->resource;
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'Oracle';
}
/**
* {@inheritDoc}
*/
public function quoteIdentifierChain($identifierChain)
{
if ($this->quoteIdentifiers === false) {
return implode('.', (array) $identifierChain);
}
return '"' . implode('"."', (array) str_replace('"', '\\"', $identifierChain)) . '"';
}
/**
* {@inheritDoc}
*/
public function quoteValue($value)
{
if ($this->resource instanceof DriverInterface) {
$resource = $this->resource->getConnection()->getResource();
} else {
$resource = $this->resource;
}
if ($resource) {
if ($resource instanceof \PDO) {
return $resource->quote($value);
}
if (
get_resource_type($resource) === 'oci8 connection'
|| get_resource_type($resource) === 'oci8 persistent connection'
) {
return "'" . addcslashes(str_replace("'", "''", $value), "\x00\n\r\"\x1a") . "'";
}
}
trigger_error(
'Attempting to quote a value in ' . self::class . ' without extension/driver support '
. 'can introduce security vulnerabilities in a production environment.'
);
return "'" . addcslashes(str_replace("'", "''", $value), "\x00\n\r\"\x1a") . "'";
}
/**
* {@inheritDoc}
*/
public function quoteTrustedValue($value)
{
return "'" . addcslashes(str_replace('\'', '\'\'', $value), "\x00\n\r\"\x1a") . "'";
}
}