PHP根據國家阻止網站訪問

Question

我想阻止一些國家訪問我的網站，由於每天過度惡意訪問。我在這裏發現了一個腳本http://azuliadesigns.com/blocking-website-access-country-php/，我可以阻止一個國家​​訪問該網站。這開始似乎沒問題。但在這裏，我只能阻止一個國家​​if($two_letter_country_code=="US")。

腳本

if ($_SERVER['HTTP_X_FORWARDED_FOR']) 
    $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; 
else 
    $ip = $_SERVER['REMOTE_ADDR']; 

$two_letter_country_code=iptocountry($ip); 

function iptocountry($ip) 
{ 
    $numbers = explode(".", $ip);  

    include("ip_files/".$numbers[0].".php"); 
    $code=($numbers[0] * 16777216) + ($numbers[1] * 65536) + ($numbers[2] * 256) + ($numbers[3]);  

    foreach($ranges as $key => $value) 
    { 
    if($key<=$code) 
    { 
     if($ranges[$key][0]>=$code) 
     { 
     $country=$ranges[$key][1];break; 
     } 
    } 
    } 

    if ($country=="") 
    { 
    $country="unknown"; 
    } 

    return $country; 
} 
if ($two_letter_country_code=="US") 
    die(); 

我的問題是，如果我想從數據庫這裏禁止訪問多個國家的什麼？假設，我在我的數據庫中保存了一些國家代碼，阻止他們說美國，IN，PK ......等等，我想阻止所有這些訪問。在那種情況下，我如何修改這個腳本來工作？

我覺得應該工作：

$country_codes_to_block = $row['block_countries']; // Fetched from database. This will give me the country codes US,IN,PK... etc. 

現在修改這一行

if ($two_letter_country_code=="US") 

到

if (in_array($two_letter_country_code, $country_codes_to_block)) 

請問這個會阻止所有其代碼被賦予存儲國訪問在數據庫中？還是我應該做點別的？這個腳本真的有用嗎？還是有什麼缺陷需要克服？我對這些問題感到困惑。請幫我...

Answer 1

在我的expirience，它應該通過使用in_array()

怎麼樣使用普通梅索德像if ($two_letter_country_code=="US" || $two_letter_country_code=="UK")是它的工作工作呢？

Answer 2

if ($_SERVER['HTTP_X_FORWARDED_FOR']) 
    $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; 
else 
    $ip = $_SERVER['REMOTE_ADDR']; 

$two_letter_country_code=iptocountry($ip); 

function iptocountry($ip) 
{ 
    $numbers = explode(".", $ip); 

    include("ip_files/".$numbers[0].".php"); 
    $code=($numbers[0] * 16777216) + ($numbers[1] * 65536) + ($numbers[2] * 256) + ($numbers[3]);  

    foreach($ranges as $key => $value) 
    { 
    if($key<=$code) 
    { 
     if($ranges[$key][0]>=$code) 
     { 
     $country=$ranges[$key][1];break; 
     } 
    } 

    } 


    if ($country=="") 
    { 
    $country="unknown"; 
    } 


error_reporting(E_ERROR | E_PARSE); 

include ("mysqli_connection_file.php"); 
$query = "SELECT column_name FROM table_name"; 
$result = mysqli_query($conn, $query); 

if (!$conn) { die("No Connection was made"); } 

while($row = mysqli_fetch_assoc($result)) { 

    $ccode = $row['name']; 

} 

    foreach ($ranges as $key => $value) { 
     $countryset = $ranges[$key][1]; 
     //echo $countryset."<br />"; 

     if($ccode == $countryset) { 
      $time = date('Y-m-d H:i'); 
      $insert = "INSERT IGNORE INTO logged_table VALUES ('','$ip','$time','IP Blocked','$countryset')"; 

       if ($conn->query($insert) === TRUE) {} else { 
        echo "Error: " . $sql . "<br>" . $conn->error; 
        die; 
       } 

      mysqli_free_result($result); 
      mysqli_close($conn); 


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      echo "<META http-equiv='refresh' content='0; URL=http://www.leapfrog.com'>"; 

     } 

    } 
}