Add support for IP2Location.io API.

Author: ip2location

README.md

@@ -72,8 +72,16 @@ Route::get('test', 'TestController@lookup');
 
 ### WEB SERVICE
 
-1. To use IP2Proxy Web Service, create a new file called "site_vars.php" in `config` directory.
-2. In the site_vars.php, save the following contents:
+1. To use IP2Location.io or IP2Proxy Web Service, create a new file called "site_vars.php" in `config` directory.
+2. In the site_vars.php, save the following contents for IP2Location.io:
+```
+<?php
+return [
+    'IP2LocationioAPIKey' => 'your_api_key', // Required. Your IP2Location.io API key.
+    'IP2LocationioLanguage' => 'en', // Optional. Refer to https://www.ip2location.io/ip2location-documentation for available languages.
+];
+```
+Or save the following contents for IP2Proxy:
 ```php
 <?php
 return [

src/IP2ProxyLaravel.php

@@ -4,17 +4,23 @@
 
 class IP2ProxyLaravel
 {
+    private $db;
+    private $ws;
+	
     private function load($mode)
     {
         if ($mode == 'bin')
         {
             $this->db = new \IP2Proxy\Database($this->getDatabasePath(), \IP2PROXY\Database::FILE_IO);
         } else if ($mode == 'ws')
         {
-            $apikey = \Config::get('site_vars.IP2ProxyAPIKey');
-            $package = (null !== \Config::get('site_vars.IP2ProxyPackage')) ? \Config::get('site_vars.IP2ProxyPackage') : 'PX1';
-            $ssl = (null !== \Config::get('site_vars.IP2ProxyUsessl')) ? \Config::get('site_vars.IP2ProxyUsessl') : false;
-            $this->ws = new \IP2Proxy\WebService($apikey, $package, $ssl);
+			if (!config()->has('site_vars.IP2LocationioAPIKey'))
+			{
+				$apikey = \Config::get('site_vars.IP2ProxyAPIKey');
+				$package = (null !== \Config::get('site_vars.IP2ProxyPackage')) ? \Config::get('site_vars.IP2ProxyPackage') : 'PX1';
+				$ssl = (null !== \Config::get('site_vars.IP2ProxyUsessl')) ? \Config::get('site_vars.IP2ProxyUsessl') : false;
+				$this->ws = new \IP2Proxy\WebService($apikey, $package, $ssl);
+			}
         }
     }
 
@@ -31,7 +37,49 @@ public function get($ip, $mode = 'bin')
             $records = $this->db->lookup($ip, \IP2PROXY\Database::ALL);
         } else if ($mode == 'ws')
         {
-            $records = $this->ws->lookup($ip);
+			if (config()->has('site_vars.IP2LocationioAPIKey'))
+			{
+				// Use IP2Location.io API
+				$ioapi_baseurl = 'https://api.ip2location.io/?';
+				$params = [
+					'key'     => \Config::get('site_vars.IP2LocationioAPIKey'),
+					'ip'      => $ip,
+					'lang'    => ((config()->has('site_vars.IP2LocationioLanguage')) ? \Config::get('site_vars.IP2LocationioLanguage') : ''),
+				];
+				// Remove parameters without values
+				$params = array_filter($params);
+				$url = $ioapi_baseurl . http_build_query($params);
+				$ch = curl_init();
+				curl_setopt($ch, CURLOPT_URL, $url);
+				curl_setopt($ch, CURLOPT_FAILONERROR, 0);
+				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($ch))
+				{
+					if (($data = json_decode($response, true)) === null)
+					{
+						return false;
+					}
+					if (array_key_exists('error', $data))
+					{
+						throw new \Exception(__CLASS__ . ': ' . $data['error']['error_message'], $data['error']['error_code']);
+					}
+					return $data;
+				}
+
+				curl_close($ch);
+
+				return false;
+				
+			} else
+			{
+				$records = $this->ws->lookup($ip);
+			}
         }
         return $records;
     }