file_get_contents ($URL)返回“权限拒绝”错误

Question

我取消了下面的PHP代码来查找用户的位置信息，这将使我能够执行一些级别的限制。

但是，代码在我的本地主机服务器上运行得很好。但是，当我将相同的php文件上传到远程web服务器时，它会返回一个错误：

警告:在第41行的/home/www/xyberinternational.com/lotto247.biz/visitorlocation/userip/ip.codehelper.io.php中，file_get_contents(http://api.codehelper.io/ips/?php&ip=192.168.1.1)：未能打开流:权限被拒绝。

我已经包括以下文件和他们的代码。如何纠正此错误？

Index.php文件

<?php
require_once("userip/ip.codehelper.io.php");
require_once("userip/php_fast_cache.php");
$_ip = new ip_codehelper();

$real_client_ip_address = $_ip->getRealIP();
$visitor_location       = $_ip->getLocation($real_client_ip_address);

$guest_ip   = $visitor_location['IP'];
$guest_country = $visitor_location['CountryName'];
$guest_city  = $visitor_location['CityName'];
$guest_state = $visitor_location['RegionName'];

echo "IP Address: ". $guest_ip. "<br/>";
echo "Country: ". $guest_country. "<br/>";
echo "State: ". $guest_state. "<br/>";
echo "City: ". $guest_city. "<br/>";


$ip             = $visitor_location['IP'];
$Continent_Code     = $visitor_location['ContinentCode'];
$Continent_Name     = $visitor_location['ContinentName'];
$Country_Code2      = $visitor_location['CountryCode2'];
$Country_Code3      = $visitor_location['CountryCode3'];
$Country        = $visitor_location['Country'];
$Country_Name       = $visitor_location['CountryName'];
$State_Name         = $visitor_location['RegionName'];
$City_Name      = $visitor_location['CityName'];
$City_Latitude      = $visitor_location['CityLatitude'];
$City_Longitude     = $visitor_location['CityLongitude'];
$Country_Latitude   = $visitor_location['CountryLatitude'];
$Country_Longitude  = $visitor_location['CountryLongitude'];
$Country_Longitude  = $visitor_location['CountryLongitude'];
$LocalTimeZone      = $visitor_location['LocalTimeZone'];
$Calling_Code       = $visitor_location['CallingCode'];
$Population     = $visitor_location['Population'];
$Area_SqKm      = $visitor_location['AreaSqKm'];
$Capital        = $visitor_location['Capital'];
$Electrical     = $visitor_location['Electrical'];
$Languages      = $visitor_location['Languages'];
$Currency       = $visitor_location['Currency'];
$Flag           = $visitor_location['Currency'];
?>

ip.coderhelper.io.php文件

<?php
class ip_codehelper {
public function getRealIP() {
    $ipaddress = '';
    if(isset($_SERVER['HTTP_CF_CONNECTING_IP'])) {
        $ipaddress = $_SERVER['HTTP_CF_CONNECTING_IP'];
    } else if (isset($_SERVER['HTTP_X_REAL_IP'])) {
        $ipaddress = $_SERVER['HTTP_X_REAL_IP'];
    }
    else if (isset($_SERVER['HTTP_CLIENT_IP']))
        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if(isset($_SERVER['HTTP_X_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if(isset($_SERVER['HTTP_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if(isset($_SERVER['HTTP_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else if(isset($_SERVER['REMOTE_ADDR']))
        $ipaddress = $_SERVER['REMOTE_ADDR'];
    else
        $ipaddress = 'UNKNOWN';

    return $ipaddress;
}

public function getLocation($ip="") {
    if($ip == "") {
        $ip = $this->getRealIP();
    }
    if(!class_exists("phpFastCache")) {
        die("Please required phpFastCache Class");
    }
    // you should change this to cURL()
    $data = phpFastCache::get("codehelper_ip_".md5($ip));
    // caching 1 week


   if($data == null) {
        $url = "http://api.codehelper.io/ips/?callback=codehelper_ip_callback&ip=".$ip;
        $json = file_get_contents($url);
        $data = json_decode($json,true);
        phpFastCache::set("codehelper_ip_".md5($ip),$data,3600*24*7);
    }

    return $data;
}

public function SSLForwardJS() {
    $ip = $this->getRealIP();
    if(!class_exists("phpFastCache")) {
        die("Please required phpFastCache Class");
    }

    // you should change this to cURL()
    $data = phpFastCache::get("codehelper_ip_ssl".md5($ip));
    // caching 1 week
    if($data == null) {
        $url = "http://api.codehelper.io/ips/?callback=codehelper_ip_callback&ip=".$ip;
        $data = file_get_contents($url);

            phpFastCache::set("codehelper_ip_ssl".md5($ip),$data,3600*24*7);
        }
        return $data;
    }
}

同时，fastcatch.php相当大。

Answer 1

这就是你的问题所在：

    $url = "http://api.codehelper.io/ips/?callback=codehelper_ip_callback&ip=".$ip;
    $data = file_get_contents($url);

(靠近ip.coderhelper.io.php文件的底部)

这会引发错误，因为试图从服务器获取数据的服务器拒绝了对文件的访问。你有几个选择：

1)与codehelper.io工作人员交谈，看看您的服务器的IP是否被列入黑名单，或者一般范围是(有时，取决于您从IP黑名单上购买服务器的位置，因为已知它们会发出恶意攻击或请求)。让他们看看他们能否解决这个问题。

2)如果这不是一个可行的选择，你可以看看this post，第二个答案有点麻烦。值得一试。