File indexing completed on 2024-12-22 05:33:23

 <?php
 
 /*
  *   TRT GFX 4.0
  * 
  *   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 module should provide a quite reasonable amount of security if used correctly.
  * It automatically parse incoming data, preventing from SQL injection etc...
  */
 
 class EHeaderDataParser {
   
   private static $gets;
   private static $posts;
   private static $quotes;
   
   /*
    * Store all the keys  of gets and posts in arrays.
    */
   public static function load(){
     EHeaderDataParser::$quotes = get_magic_quotes_gpc();
     EHeaderDataParser::$gets = $_GET;
     EHeaderDataParser::$posts = $_POST;
   }
   
   // Generates safe data for using in databases.
   public static function safeAll(){
     if(!EHeaderDataParser::$quotes){
       foreach (EHeaderDataParser::$gets as $key => $value){
         EHeaderDataParser::$gets[$key] = EDatabase::safe($value);
       }
       foreach (EHeaderDataParser::$posts as $key => $value){
         EHeaderDataParser::$posts[$key] = EDatabase::safe($value);
       }
     }
   }
   
   /*
    * Access untouched data
    */
   public static function post($key){
     if(isset(EHeaderDataParser::$posts[$key])){
       return EHeaderDataParser::$posts[$key];
     } else {
       return false;
     }
   }
   
   public static function get($key){
     if(isset(EHeaderDataParser::$gets[$key])){
       return EHeaderDataParser::$gets[$key];
     } else {
       return false;
     }
   }
   
   public static function get_cookie($key){
     if(isset($_COOKIE[$key])){
       return $_COOKIE[$key];
     } else {
       return false;
     }
   }
   
   public static function set_cookie($key, $value, $time=86400){
     setcookie($key,$value, time()+($time * 30), "/"); //TODO: seriously inspect on time being multiplied for 30
   }
 
   public static function del_cookie($key){
     if(isset($_COOKIE[$key])){
       setcookie($key, "", -1, "/");
     }
   }
   
   /*
    * Used to check if get/post has been set
    */
   public static function exists_post($key){
     if(isset(EHeaderDataParser::$posts[$key])){
       return true;
     } else {
       return false;
     }
   }
   
   public static function exists_get($key){
     if(isset(EHeaderDataParser::$gets[$key])){
       return true;
     } else {
       return false;
     }
   }
   
   /*
    * Useful if get or post need to be printed in html pages
    */
   public static function out_get($key){
     if(isset(EHeaderDataParser::$gets[$key])){    
       if(EHeaderDataParser::$quotes){
         return stripslashes(EHeaderDataParser::$gets[$key]);
       } else {
         return EHeaderDataParser::$gets[$key];
       }
     } else {
       return false;
     }
   }
   
   public static function out_post($key){
     if(isset(EHeaderDataParser::$gets[$key])){    
       if(EHeaderDataParser::$quotes){
         return stripslashes(EHeaderDataParser::$posts[$key]);
       } else {
         return EHeaderDataParser::$posts[$key];
       }
     } else {
       return false;
     }
   }
   
   /*
    * Safe parsed data to be used with databases 
    */
   // Use instead of accessing $_GET
   //obsolete? port to secure_get
   public static function db_get($key){
     if(isset(EHeaderDataParser::$gets[$key])){
       if(EHeaderDataParser::$quotes){
         return EHeaderDataParser::$gets[$key];
       } else {
         return EDatabase::safe(EHeaderDataParser::$gets[$key]);
       }
     } else {
       return false;
     }
   }
   //usability rename
   public static function secure_get($key){
     return EHeaderDataParser::db_get($key);
   }
   
   
   // Use instead of accessing $_POST
   //obsolete? port to secure_post
   public static function db_post($key){
     if(isset(EHeaderDataParser::$posts[$key])){
       if(EHeaderDataParser::$quotes){
         return EHeaderDataParser::$posts[$key];
       } else {
         return EDatabase::safe(EHeaderDataParser::$posts[$key]);
       }
     } else {
       return false;
     }
   }
   //usability rename
   public static function secure_post($key){
     return EHeaderDataParser::db_post($key);
   }
   
   /*
    * Manually adding values to module
    * 
    * Can be useful when using EModel automatic database management
    */
   public static function add_post($key,$value){
     if(!isset(EHeaderDataParser::$posts[$key])){
       EHeaderDataParser::$posts[$key] = $value;
     } //else ignored
   }
   
   public static function add_get($key,$value){
     if(!isset(EHeaderDataParser::$gets[$key])){
       EHeaderDataParser::$gets[$key] = $value;
     } //else ignored
   }
   
   /*
    * Loads GET/POST data from parsing an html string
    */
   public static function add_from_string($str){
     $chunks = explode("&", $str);
     
     foreach($chunks as $chunk){
       $data = explode("=", $chunk);
       EHeaderDataParser::add_get($data[0],$data[1]);
     }
   }
   
   /*
    * Simply returns page without additional data.
    * Maybe to be moved to EPageProperties?
    */
   public static function erase_get_data($url){
     $url = explode("?", $url);
     return $url[0];
   }
 }
  
 ?>