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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Geocoder package. |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license MIT License |
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*/ |
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namespace Geocoder\Provider\GeoIP2; |
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use Geocoder\Exception\InvalidArgument; |
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use Geocoder\Exception\UnsupportedOperation; |
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use GeoIp2\ProviderInterface; |
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/** |
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* @author Jens Wiese <[email protected]> |
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*/ |
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class GeoIP2Adapter |
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{ |
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/** |
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* GeoIP2 models (e.g. city or country). |
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*/ |
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public const GEOIP2_MODEL_CITY = 'city'; |
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public const GEOIP2_MODEL_COUNTRY = 'country'; |
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/** |
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* @var ProviderInterface |
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*/ |
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protected $geoIp2Provider; |
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/** |
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* @var string |
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*/ |
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protected $geoIP2Model; |
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/** |
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* @param string $geoIP2Model (e.g. self::GEOIP2_MODEL_CITY) |
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*/ |
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public function __construct(ProviderInterface $geoIpProvider, $geoIP2Model = self::GEOIP2_MODEL_CITY) |
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{ |
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$this->geoIp2Provider = $geoIpProvider; |
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if (false === $this->isSupportedGeoIP2Model($geoIP2Model)) { |
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throw new UnsupportedOperation(sprintf('Model "%s" is not available.', $geoIP2Model)); |
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} |
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$this->geoIP2Model = $geoIP2Model; |
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} |
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/** |
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* Returns the content fetched from a given resource. |
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* |
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* @param string $url (e.g. file://database?127.0.0.1) |
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*/ |
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public function getContent(string $url): string |
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{ |
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if (false === filter_var($url, FILTER_VALIDATE_URL)) { |
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throw new InvalidArgument(sprintf('"%s" must be called with a valid url. Got "%s" instead.', __METHOD__, $url)); |
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} |
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$ipAddress = parse_url($url, PHP_URL_QUERY); |
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if (false === filter_var($ipAddress, FILTER_VALIDATE_IP)) { |
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throw new InvalidArgument('URL must contain a valid query-string (an IP address, 127.0.0.1 for instance)'); |
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} |
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$result = $this->geoIp2Provider |
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->{$this->geoIP2Model}($ipAddress) |
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->jsonSerialize(); |
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return json_encode($result); |
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} |
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/** |
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* Returns the name of the Adapter. |
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*/ |
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public function getName(): string |
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{ |
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return 'maxmind_geoip2'; |
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} |
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/** |
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* Returns whether method is supported by GeoIP2. |
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*/ |
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protected function isSupportedGeoIP2Model(string $method): bool |
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{ |
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$availableMethods = [ |
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self::GEOIP2_MODEL_CITY, |
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self::GEOIP2_MODEL_COUNTRY, |
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]; |
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return in_array($method, $availableMethods); |
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} |
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} |
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