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

 <?php
 
 /*
  *   GFX 4
  * 
  *   support: happy.snizzo@gmail.com
  *   website: http://trt-gfx.googlecode.com
  *   credits: Claudio Desideri
  *   
  *   This software is released under the MIT License.
  *   http://opensource.org/licenses/mit-license.php
  */
  
 /*
  * This class aims to do some quite simple URL Rewriting.
  */
 
 class ERewriter{
   
   private static $rewritable = false;
   private static $oldurl = false;
   
   public static function oldurl()
   {
     return ERewriter::$oldurl;
   }
   
   /*
    * some setters, mainly used during loading
    */
   public static function enable()
   {
     ERewriter::$rewritable = true;
   }
   
   public static function disable()
   {
     ERewriter::$rewritable = false;
   }
   
   
   /*
    * Rewrite url if needed.
    */
   public static function load()
   { 
     //treat url erasing extra parts
     $current_uri = $_SERVER['REQUEST_URI'];
     //keeping a local copy
         ERewriter::$oldurl = $current_uri;
     
     $matches = array();
     
     foreach(EConfig::$data['rewrite'] as $key => $value){
       if(!is_array($value)){
         ELog::warning("You need to specify a second value as a rewrite rule in rewrite.conf.php");
         return;
       }
       
       //handle with normal rewrite that
       //permits to have parameters
       if($value[1]=="normal"){
         $pos = strpos($current_uri,$key);
         
         //if we found a rewrite rule that can be applied
         if ($pos !== false) {
           //rewrite only at the very start of the string
           if($pos==0){
             //record the allowed key
             $matches[strlen($key)] = array($key, $value[0]);
           }
         }
       }
       //handle with exact match, that works only if the url is exactly that one
       else if($value[1]=="exact"){
         $current_uri_t = explode("?", $current_uri)[0];
         if($current_uri_t==$key){
           if(ERewriter::$rewritable){
             $rewritten = str_replace($key, $value[0], $current_uri); //TODO FIX HERE
             //$rewritten = preg_replace("$key", $value, $current_uri, 1);
             $_SERVER['REQUEST_URI'] = $rewritten;
             //setting rewritable to false
             ERewriter::$rewritable = false;
             break;
           }
         }
       }
     }
     
     if(ERewriter::$rewritable){
       ksort($matches);
       $matches = array_reverse(array_values($matches));
       
       if(isset($matches[0])){
         $rule = $matches[0];
       
         $rewritten = str_replace($rule[0], $rule[1], $current_uri); //TODO FIX HERE FIRST OCCURRENCE
         //$rewritten = preg_replace("$key", $value, $current_uri, 1);
         $_SERVER['REQUEST_URI'] = $rewritten;
       }
     }
   }
 
   /**
   * Used to make url pretty in order to SEO
   */
   public static function prettify($string){
     $string = preg_replace("/[^a-z_\-0-9]/i", "-", $string);
     $string = preg_replace("/[-]+/", "-", $string);
     $string = trim($string, "-");
     return $string;
   }
 }
 
 ?>