Developer
<?php
namespace Illuminate\Support;
use InvalidArgumentException;
class ConfigurationUrlParser
{
/**
* The drivers aliases map.
*
* @var array
*/
protected static $driverAliases = [
'mssql' => 'sqlsrv',
'mysql2' => 'mysql', // RDS
'postgres' => 'pgsql',
'postgresql' => 'pgsql',
'sqlite3' => 'sqlite',
'redis' => 'tcp',
'rediss' => 'tls',
];
/**
* Parse the database configuration, hydrating options using a database configuration URL if possible.
*
* @param array|string $config
* @return array
*/
public function parseConfiguration($config)
{
if (is_string($config)) {
$config = ['url' => $config];
}
$url = Arr::pull($config, 'url');
if (! $url) {
return $config;
}
$rawComponents = $this->parseUrl($url);
$decodedComponents = $this->parseStringsToNativeTypes(
array_map('rawurldecode', $rawComponents)
);
return array_merge(
$config,
$this->getPrimaryOptions($decodedComponents),
$this->getQueryOptions($rawComponents)
);
}
/**
* Get the primary database connection options.
*
* @param array $url
* @return array
*/
protected function getPrimaryOptions($url)
{
return array_filter([
'driver' => $this->getDriver($url),
'database' => $this->getDatabase($url),
'host' => $url['host'] ?? null,
'port' => $url['port'] ?? null,
'username' => $url['user'] ?? null,
'password' => $url['pass'] ?? null,
], fn ($value) => ! is_null($value));
}
/**
* Get the database driver from the URL.
*
* @param array $url
* @return string|null
*/
protected function getDriver($url)
{
$alias = $url['scheme'] ?? null;
if (! $alias) {
return;
}
return static::$driverAliases[$alias] ?? $alias;
}
/**
* Get the database name from the URL.
*
* @param array $url
* @return string|null
*/
protected function getDatabase($url)
{
$path = $url['path'] ?? null;
return $path && $path !== '/' ? substr($path, 1) : null;
}
/**
* Get all of the additional database options from the query string.
*
* @param array $url
* @return array
*/
protected function getQueryOptions($url)
{
$queryString = $url['query'] ?? null;
if (! $queryString) {
return [];
}
$query = [];
parse_str($queryString, $query);
return $this->parseStringsToNativeTypes($query);
}
/**
* Parse the string URL to an array of components.
*
* @param string $url
* @return array
*
* @throws \InvalidArgumentException
*/
protected function parseUrl($url)
{
$url = preg_replace('#^(sqlite3?):///#', '$1://null/', $url);
$parsedUrl = parse_url($url);
if ($parsedUrl === false) {
throw new InvalidArgumentException('The database configuration URL is malformed.');
}
return $parsedUrl;
}
/**
* Convert string casted values to their native types.
*
* @param mixed $value
* @return mixed
*/
protected function parseStringsToNativeTypes($value)
{
if (is_array($value)) {
return array_map([$this, 'parseStringsToNativeTypes'], $value);
}
if (! is_string($value)) {
return $value;
}
$parsedValue = json_decode($value, true);
if (json_last_error() === JSON_ERROR_NONE) {
return $parsedValue;
}
return $value;
}
/**
* Get all of the current drivers' aliases.
*
* @return array
*/
public static function getDriverAliases()
{
return static::$driverAliases;
}
/**
* Add the given driver alias to the driver aliases array.
*
* @param string $alias
* @param string $driver
* @return void
*/
public static function addDriverAlias($alias, $driver)
{
static::$driverAliases[$alias] = $driver;
}
}
Developer
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