File indexing completed on 2024-05-12 17:26:16

 <?php
 
 /*
  *   TRT GFX 3.0.1 (beta build) BackToSlash
  * 
  *   support: happy.snizzo@gmail.com
  *   website: http://www.gfx3.org
  *   credits: Claudio Desideri
  *   
  *   This software is released under the MIT License.
  *   http://opensource.org/licenses/mit-license.php
  */ 
 
 
 /*
  * Static class used as a helper for managing various web page properties.
  */
 class EPageProperties {
   
   public static $request_uri = '';
   
   public static function get_page_name(){
     
     $name = substr($_SERVER["SCRIPT_NAME"],strrpos($_SERVER["SCRIPT_NAME"],"/")+1);
     $name = substr($name,strrpos($name,"?"));
     $name = substr($name,strrpos($name,"/"));
     
     return $name;
   }
   
   /*
    * Returns the exact website in which is running this system.
    * For example: http://www.gfx3.org
    */
   public static function get_current_website_url(){
     $pageURL = 'http';
     //TODO: implements https?
     $pageURL .= "://";
     $pageStripped = explode("/", $_SERVER["REQUEST_URI"]);
     $pageStripped = $pageStripped[0];
     if ($_SERVER["SERVER_PORT"] != "80") {
       $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
     } else {
       $pageURL .= $_SERVER["SERVER_NAME"].$pageStripped;
     }
     
     return $pageURL;
   }
   
   public static function get_previous_page(){
     $prevpage = $_SERVER['HTTP_REFERER'];
     $prevpage = EHeaderDataParser::erase_get_data($prevpage);
     return $prevpage;
   }
   
   /**
    * @param string $domain Pass $_SERVER['SERVER_NAME'] here
    * @param bool $debug
    *
    * @debug bool $debug
    * @return string
    */
   public static function get_domain($domain, $debug = false)
   {
     $original = $domain = strtolower($domain);
 
     if (filter_var($domain, FILTER_VALIDATE_IP)) { return $domain; }
 
     $debug ? print('<strong style="color:green">&raquo;</strong> Parsing: '.$original) : false;
 
     $arr = array_slice(array_filter(explode('.', $domain, 4), function($value){
       return $value !== 'www';
     }), 0); //rebuild array indexes
 
     if (count($arr) > 2)
     {
       $count = count($arr);
       $_sub = explode('.', $count === 4 ? $arr[3] : $arr[2]);
 
       $debug ? print(" (parts count: {$count})") : false;
 
       if (count($_sub) === 2) // two level TLD
       {
         $removed = array_shift($arr);
         if ($count === 4) // got a subdomain acting as a domain
         {
           $removed = array_shift($arr);
         }
         $debug ? print("<br>\n" . '[*] Two level TLD: <strong>' . join('.', $_sub) . '</strong> ') : false;
       }
       elseif (count($_sub) === 1) // one level TLD
       {
         $removed = array_shift($arr); //remove the subdomain
 
         if (strlen($_sub[0]) === 2 && $count === 3) // TLD domain must be 2 letters
         {
           array_unshift($arr, $removed);
         }
         else
         {
           // non country TLD according to IANA
           $tlds = array(
             'aero',
             'arpa',
             'asia',
             'biz',
             'cat',
             'com',
             'coop',
             'edu',
             'gov',
             'info',
             'jobs',
             'mil',
             'mobi',
             'museum',
             'name',
             'net',
             'org',
             'post',
             'pro',
             'tel',
             'travel',
             'xxx',
           );
 
           if (count($arr) > 2 && in_array($_sub[0], $tlds) !== false) //special TLD don't have a country
           {
             array_shift($arr);
           }
         }
         $debug ? print("<br>\n" .'[*] One level TLD: <strong>'.join('.', $_sub).'</strong> ') : false;
       }
       else // more than 3 levels, something is wrong
       {
         for ($i = count($_sub); $i > 1; $i--)
         {
           $removed = array_shift($arr);
         }
         $debug ? print("<br>\n" . '[*] Three level TLD: <strong>' . join('.', $_sub) . '</strong> ') : false;
       }
     }
     elseif (count($arr) === 2)
     {
       $arr0 = array_shift($arr);
 
       if (strpos(join('.', $arr), '.') === false
         && in_array($arr[0], array('localhost','test','invalid')) === false) // not a reserved domain
       {
         $debug ? print("<br>\n" .'Seems invalid domain: <strong>'.join('.', $arr).'</strong> re-adding: <strong>'.$arr0.'</strong> ') : false;
         // seems invalid domain, restore it
         array_unshift($arr, $arr0);
       }
     }
 
     $debug ? print("<br>\n".'<strong style="color:gray">&laquo;</strong> Done parsing: <span style="color:red">' . $original . '</span> as <span style="color:blue">'. join('.', $arr) ."</span><br>\n") : false;
 
     return join('.', $arr);
   }
   
   /**
    * Get domain without .com or .co.uk etc...
    * "www.example.com" -> "example"
    * 
    * can be faulty...
    */
   public static function get_clear_domain($domain)
   {
     $chunks = explode('.',$domain);
     if(isset($chunks[0])){
       if($chunks[0]=='www' and isset($chunks[1])){
         return $chunks[1];
       } else {
         return $chunks[0];
       }
     }
   }
   
 }
 
 ?>