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✏️ Editing: DriverManager.php

<?php

namespace Doctrine\DBAL;

use Doctrine\Common\EventManager;
use Doctrine\DBAL\Driver\IBMDB2;
use Doctrine\DBAL\Driver\Mysqli;
use Doctrine\DBAL\Driver\OCI8;
use Doctrine\DBAL\Driver\PDO;
use Doctrine\DBAL\Driver\PgSQL;
use Doctrine\DBAL\Driver\SQLite3;
use Doctrine\DBAL\Driver\SQLSrv;
use Doctrine\DBAL\Exception\MalformedDsnException;
use Doctrine\DBAL\Tools\DsnParser;
use Doctrine\Deprecations\Deprecation;
use SensitiveParameter;

use function array_keys;
use function array_merge;
use function is_a;

/**
 * Factory for creating {@see Connection} instances.
 *
 * @psalm-type OverrideParams = array{
 * application_name?: string,
 * charset?: string,
 * dbname?: string,
 * default_dbname?: string,
 * driver?: key-of<self::DRIVER_MAP>,
 * driverClass?: class-string<Driver>,
 * driverOptions?: array<mixed>,
 * host?: string,
 * password?: string,
 * path?: string,
 * persistent?: bool,
 * platform?: Platforms\AbstractPlatform,
 * port?: int,
 * serverVersion?: string,
 * url?: string,
 * user?: string,
 * unix_socket?: string,
 * }
 * @psalm-type Params = array{
 * application_name?: string,
 * charset?: string,
 * dbname?: string,
 * defaultTableOptions?: array<string, mixed>,
 * default_dbname?: string,
 * driver?: key-of<self::DRIVER_MAP>,
 * driverClass?: class-string<Driver>,
 * driverOptions?: array<mixed>,
 * host?: string,
 * keepSlave?: bool,
 * keepReplica?: bool,
 * master?: OverrideParams,
 * memory?: bool,
 * password?: string,
 * path?: string,
 * persistent?: bool,
 * platform?: Platforms\AbstractPlatform,
 * port?: int,
 * primary?: OverrideParams,
 * replica?: array<OverrideParams>,
 * serverVersion?: string,
 * sharding?: array<string,mixed>,
 * slaves?: array<OverrideParams>,
 * url?: string,
 * user?: string,
 * wrapperClass?: class-string<Connection>,
 * unix_socket?: string,
 * }
 */
final class DriverManager
{
 /**
 * List of supported drivers and their mappings to the driver classes.
 *
 * To add your own driver use the 'driverClass' parameter to {@see DriverManager::getConnection()}.
 */
 private const DRIVER_MAP = [
 'pdo_mysql' => PDO\MySQL\Driver::class,
 'pdo_sqlite' => PDO\SQLite\Driver::class,
 'pdo_pgsql' => PDO\PgSQL\Driver::class,
 'pdo_oci' => PDO\OCI\Driver::class,
 'oci8' => OCI8\Driver::class,
 'ibm_db2' => IBMDB2\Driver::class,
 'pdo_sqlsrv' => PDO\SQLSrv\Driver::class,
 'mysqli' => Mysqli\Driver::class,
 'pgsql' => PgSQL\Driver::class,
 'sqlsrv' => SQLSrv\Driver::class,
 'sqlite3' => SQLite3\Driver::class,
 ];

/**
     * List of URL schemes from a database URL and their mappings to driver.
     *
     * @deprecated Use actual driver names instead.
     *
     * @var string[]
     */
    private static array $driverSchemeAliases = [
        'db2'        => 'ibm_db2',
        'mssql'      => 'pdo_sqlsrv',
        'mysql'      => 'pdo_mysql',
        'mysql2'     => 'pdo_mysql', // Amazon RDS, for some weird reason
        'postgres'   => 'pdo_pgsql',
        'postgresql' => 'pdo_pgsql',
        'pgsql'      => 'pdo_pgsql',
        'sqlite'     => 'pdo_sqlite',
        'sqlite3'    => 'pdo_sqlite',
    ];

/**
     * Private constructor. This class cannot be instantiated.
     *
     * @codeCoverageIgnore
     */
    private function __construct()
    {
    }

/**
 * Creates a connection object based on the specified parameters.
 * This method returns a Doctrine\DBAL\Connection which wraps the underlying
 * driver connection.
 *
 * $params must contain at least one of the following.
 *
 * Either 'driver' with one of the array keys of {@see DRIVER_MAP},
 * OR 'driverClass' that contains the full class name (with namespace) of the
 * driver class to instantiate.
 *
 * Other (optional) parameters:
 *
 * user (string):
 * The username to use when connecting.
 *
 * password (string):
 * The password to use when connecting.
 *
 * driverOptions (array):
 * Any additional driver-specific options for the driver. These are just passed
 * through to the driver.
 *
 * wrapperClass:
 * You may specify a custom wrapper class through the 'wrapperClass'
 * parameter but this class MUST inherit from Doctrine\DBAL\Connection.
 *
 * driverClass:
 * The driver class to use.
 *
 * @param Configuration|null $config The configuration to use.
 * @param EventManager|null $eventManager The event manager to use.
 * @psalm-param Params $params
 *
 * @psalm-return ($params is array{wrapperClass: class-string<T>} ? T : Connection)
 *
 * @throws Exception
 *
 * @template T of Connection
 */
 public static function getConnection(
 #[SensitiveParameter]
 array $params,
 ?Configuration $config = null,
 ?EventManager $eventManager = null
 ): Connection {
 // create default config and event manager, if not set
 $config ??= new Configuration();
 $eventManager ??= new EventManager();
 $params = self::parseDatabaseUrl($params);

// URL support for PrimaryReplicaConnection
        if (isset($params['primary'])) {
            $params['primary'] = self::parseDatabaseUrl($params['primary']);
        }

if (isset($params['replica'])) {
            foreach ($params['replica'] as $key => $replicaParams) {
                $params['replica'][$key] = self::parseDatabaseUrl($replicaParams);
            }
        }

$driver = self::createDriver($params['driver'] ?? null, $params['driverClass'] ?? null);

foreach ($config->getMiddlewares() as $middleware) {
            $driver = $middleware->wrap($driver);
        }

$wrapperClass = $params['wrapperClass'] ?? Connection::class;
        if (! is_a($wrapperClass, Connection::class, true)) {
            throw Exception::invalidWrapperClass($wrapperClass);
        }

return new $wrapperClass($params, $driver, $config, $eventManager);
    }

/**
 * Returns the list of supported drivers.
 *
 * @return string[]
 * @psalm-return list<key-of<self::DRIVER_MAP>>
 */
 public static function getAvailableDrivers(): array
 {
 return array_keys(self::DRIVER_MAP);
 }

/**
 * @param class-string<Driver>|null $driverClass
 * @param key-of<self::DRIVER_MAP>|null $driver
 *
 * @throws Exception
 */
 private static function createDriver(?string $driver, ?string $driverClass): Driver
 {
 if ($driverClass === null) {
 if ($driver === null) {
 throw Exception::driverRequired();
 }

if (! isset(self::DRIVER_MAP[$driver])) {
                throw Exception::unknownDriver($driver, array_keys(self::DRIVER_MAP));
            }

$driverClass = self::DRIVER_MAP[$driver];
        } elseif (! is_a($driverClass, Driver::class, true)) {
            throw Exception::invalidDriverClass($driverClass);
        }

return new $driverClass();
    }

/**
     * Extracts parts from a database URL, if present, and returns an
     * updated list of parameters.
     *
     * @param mixed[] $params The list of parameters.
     * @psalm-param Params $params
     *
     * @return mixed[] A modified list of parameters with info from a database
     *                 URL extracted into indidivual parameter parts.
     * @psalm-return Params
     *
     * @throws Exception
     */
    private static function parseDatabaseUrl(
        #[SensitiveParameter]
        array $params
    ): array {
        if (! isset($params['url'])) {
            return $params;
        }

Deprecation::trigger(
            'doctrine/dbal',
            'https://github.com/doctrine/dbal/pull/5843',
            'The "url" connection parameter is deprecated. Please use %s to parse a database url before calling %s.',
            DsnParser::class,
            self::class,
        );

$parser = new DsnParser(self::$driverSchemeAliases);
        try {
            $parsedParams = $parser->parse($params['url']);
        } catch (MalformedDsnException $e) {
            throw new Exception('Malformed parameter "url".', 0, $e);
        }

if (isset($parsedParams['driver'])) {
            // The requested driver from the URL scheme takes precedence
            // over the default custom driver from the connection parameters (if any).
            unset($params['driverClass']);
        }

$params = array_merge($params, $parsedParams);

// If a schemeless connection URL is given, we require a default driver or default custom driver
        // as connection parameter.
        if (! isset($params['driverClass']) && ! isset($params['driver'])) {
            throw Exception::driverRequired($params['url']);
        }

return $params;
    }
}

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