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<?php |
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namespace Faxity\DI; |
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use Anax\Commons\ContainerInjectableInterface; |
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use Anax\Commons\ContainerInjectableTrait; |
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use Faxity\Fetch\Fetch; |
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/** |
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* DI module for validating & geo-locating IP addresses |
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*/ |
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class IP implements ContainerInjectableInterface |
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{ |
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use ContainerInjectableTrait; |
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/** The base URL of ipstack's api. */ |
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private const IPSTACK_URL = "http://api.ipstack.com"; |
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/** |
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* @var string $accessKey The ipstack access key. |
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* @var Fetch $http The http fetch client |
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*/ |
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private $accessKey; |
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private $http; |
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/** |
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* @param string $accessKey access key to ipstacks API |
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* @param Fetch|null $fetch Fetch client (optional) |
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*/ |
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public function __construct(string $accessKey, ?Fetch $fetch = null) |
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{ |
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$this->accessKey = $accessKey; |
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$this->http = $fetch ?? new Fetch(); |
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} |
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/** |
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* Gets the IP address of the client |
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* |
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* @return string |
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*/ |
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public function getAddress() : string |
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{ |
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return $_SERVER["REMOTE_ADDR"] ?? ""; |
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} |
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/** |
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* Locates an ip address |
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* @param string|null $ip IP address to locate |
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* |
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* @return array|null |
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*/ |
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public function locate(?string $ip) : ?array |
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{ |
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// Check if ip is valid and not empty |
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if (filter_var($ip, FILTER_VALIDATE_IP) == $ip) { |
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$params = [ "access_key" => $this->accessKey ]; |
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$res = $this->http->get(self::IPSTACK_URL . "/$ip", $params); |
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if (isset($res->latitude, $res->longitude)) { |
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return [ $res->latitude, $res->longitude ]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Validate IP address and get info about the domain, null is returned if empty |
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* @param string|null $ip IP to Validate |
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* |
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* @return object|null |
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*/ |
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public function validate(?string $ip) : ?object |
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{ |
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if (empty($ip)) { |
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return null; |
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} |
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$data = (object) [ |
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"ip" => $ip, |
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"valid" => false, |
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"type" => null, |
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"domain" => null, |
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"region" => null, |
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"country" => null, |
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"location" => null, |
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]; |
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// Check which protocol the address uses |
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$data->type = "ipv4"; |
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$data->valid = true; |
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} else if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { |
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$data->type = "ipv6"; |
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$data->valid = true; |
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} |
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if ($data->valid) { |
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$res = $this->http->get(self::IPSTACK_URL . "/$ip", [ |
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"access_key" => $this->accessKey, |
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]); |
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$host = gethostbyaddr($ip); |
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$data->domain = $host != $ip ? $host : null; |
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$data->region = $res->region_name ?? null; |
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$data->country = $res->country_name ?? null; |
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if (isset($res->latitude, $res->longitude)) { |
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$data->location = (object) [ |
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"latitude" => $res->latitude, |
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"longitude" => $res->longitude, |
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]; |
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} |
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} |
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return $data; |
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} |
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} |
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iFaxity /
dbwebb-ramverk1-module
