Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /var/www/html/thietkeweb2/vendor/ip2location/ip2location-php/src/ |
<?php
namespace IP2Location;
/**
* IP2Location web service class.
*/
class WebService
{
/**
* No cURL extension found.
*
* @var int
*/
public const EXCEPTION_NO_CURL = 10001;
/**
* Invalid API key format.
*
* @var int
*/
public const EXCEPTION_INVALID_API_KEY = 10002;
/**
* Web service error.
*
* @var int
*/
public const EXCEPTION_WEB_SERVICE_ERROR = 10003;
private $apiKey;
private $package;
private $useSsl;
/**
* Constructor.
*
* @param string $apiKey API key of your IP2Location web service
* @param string $package Supported IP2Location package from WS1 to WS24
* @param bool $useSsl Enable or disabled HTTPS connection. HTTP is faster but less secure.
*
* @throws \Exception
*/
public function __construct($apiKey, $package = 'WS1', $useSsl = false)
{
if (!\extension_loaded('curl')) {
throw new \Exception(__CLASS__ . ": Please make sure your PHP setup has the 'curl' extension enabled.", self::EXCEPTION_NO_CURL);
}
if (!preg_match('/^[0-9A-Z]{10}$/', $apiKey) && $apiKey != 'demo') {
throw new \Exception(__CLASS__ . ': Please provide a valid IP2Location web service API key.', self::EXCEPTION_INVALID_API_KEY);
}
if (!preg_match('/^WS[0-9]+$/', $package)) {
$package = 'WS1';
}
$this->apiKey = $apiKey;
$this->package = $package;
$this->useSsl = $useSsl;
}
/**
* This function will look the given IP address up in IP2Location web service.
*
* @param string $ip IP address to look up
* @param array $addOns Extra fields to return. Please refer to https://www.ip2location.com/web-service/ip2location
* @param string $language the translation for continent, country, region and city name for the addon package
*
* @throws \Exception
*
* @return array|false
*/
public function lookup($ip, $addOns = [], $language = 'en')
{
$response = $this->httpRequest('http://api.ip2location.com/v2/?' . http_build_query([
'key' => $this->apiKey,
'ip' => $ip,
'package' => $this->package,
'addon' => implode(',', $addOns),
'lang' => $language,
]));
if (($data = json_decode($response, true)) === null) {
return false;
}
if ($data['response'] != 'OK') {
throw new \Exception(__CLASS__ . ': ' . $data['response'], self::EXCEPTION_WEB_SERVICE_ERROR);
}
return $data;
}
/**
* Get the remaing credit in your IP2Location web service account.
*
* @return int
*/
public function getCredit()
{
$response = $this->httpRequest('http://api.ip2location.com/v2/?' . http_build_query([
'key' => $this->apiKey,
'check' => true,
]));
if (($data = json_decode($response, true)) === null) {
return 0;
}
if (!isset($data['response'])) {
return 0;
}
return $data['response'];
}
/**
* Open a remote web address.
*
* @param string $url Website URL
*
* @return bool|string
*/
private function httpRequest($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FAILONERROR, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$response = curl_exec($ch);
if (!curl_errno($ch)) {
curl_close($ch);
return $response;
}
curl_close($ch);
return false;
}
}