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<?php |
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namespace Psr7Middlewares\Middleware; |
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use Psr7Middlewares\Middleware; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Geocoder\Geocoder; |
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use Geocoder\ProviderAggregator; |
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use Geocoder\Provider\FreeGeoIp; |
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use Geocoder\Model\AddressCollection; |
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use Ivory\HttpAdapter\FopenHttpAdapter; |
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use RuntimeException; |
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/** |
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* Middleware to geolocate the client using the ip. |
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*/ |
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class Geolocate |
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{ |
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const KEY = 'GEOLOCATE'; |
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/** |
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* @var Geocoder |
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*/ |
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private $geocoder; |
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/** |
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* Returns the client location. |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return AddressCollection|null |
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*/ |
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public static function getLocation(ServerRequestInterface $request) |
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{ |
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return Middleware::getAttribute($request, self::KEY); |
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} |
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/** |
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* Constructor. Set the geocoder instance. |
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* |
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* @param null|Geocoder $geocoder |
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*/ |
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public function __construct(Geocoder $geocoder = null) |
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{ |
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if ($geocoder === null) { |
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$geocoder = new ProviderAggregator(); |
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$geocoder->registerProvider(new FreeGeoIp(new FopenHttpAdapter())); |
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} |
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$this->geocoder = $geocoder; |
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} |
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/** |
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* Execute the middleware. |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callable $next |
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* |
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* @return ResponseInterface |
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*/ |
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public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) |
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{ |
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if (!Middleware::hasAttribute($request, ClientIp::KEY)) { |
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throw new RuntimeException('Geolocate middleware needs ClientIp executed before'); |
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} |
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$ip = ClientIp::getIp($request); |
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if ($ip !== null) { |
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$request = Middleware::setAttribute($request, self::KEY, $this->geocoder->geocode($ip)); |
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} |
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return $next($request, $response); |
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} |
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} |
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oscarotero /
psr7-middlewares
