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

 <?php
 
 /*
  *   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
  */ 
 
 
 //starting session with cookies
 session_start();
 
 /*
  * Small module includer. Used to include php modules automatically.
  */
 
 class ELoader{
   
   public static $prev_path; // /var/www/html
   public static $abs_path; // /var/www/html/gfx/src
   public static $root_path; // localhost
   public static $request_uri = "";
   public static $subsite_path = ""; //only the name of the main rendered subsite
   public static $source_path = "gfx3/src";
   public static $cache_path = "gfx3/cache";
   public static $libs_path = "gfx3/libs";
   public static $config_path = "config";
   public static $controllers_path = "controllers";
   public static $models_path = "models";
   public static $views_path = "views";
   public static $locallibs_path = "libs";
   
   //actual website path, containg config, models, views and controllers
   public static $site_path = "";
   public static $setted_config = false;
   
   //look for gfx3 installation path
   public static function getLibInstallPath(){
     if(is_dir(ELoader::$config_path) and !ELoader::$setted_config){
       ELoader::$subsite_path = str_replace(ELoader::$prev_path,'',getcwd());
       ELoader::$config_path = getcwd()."/".ELoader::$config_path;
       ELoader::$controllers_path = getcwd()."/".ELoader::$controllers_path;
       ELoader::$models_path = getcwd()."/".ELoader::$models_path;
       ELoader::$views_path = getcwd()."/".ELoader::$views_path;
       ELoader::$locallibs_path = getcwd()."/".ELoader::$locallibs_path;
       ELoader::$setted_config = true;
     }
     if(is_dir("gfx3")){
       ELoader::$cache_path = getcwd()."/".ELoader::$cache_path;
       ELoader::$libs_path = getcwd()."/".ELoader::$libs_path;
       return getcwd()."/".ELoader::$source_path;
     } else {
       chdir("..");
       return ELoader::getLibInstallPath();
     }
   }
   
   /*
    * This method gives precedence to sub-websites
    * located in subfolders when the url is called
    * and set the correct path for loading:
    * config, controllers, models and views
    * in the subdirectory.
    */
   public static function checkForSubsites(){
     ELoader::$request_uri = $current_uri = $_SERVER['REQUEST_URI'];
     $dirs = explode("/", $current_uri);
     
     foreach($dirs as $key => $dir){
       if(is_dir($dir)){
         chdir($dir);
         if(is_dir("config")){
           //url from gfxroot to config, controllers etc...
           $base_url = implode("/", array_slice($dirs, 0, $key+1));
           
           $pos = strpos($_SERVER['REQUEST_URI'],$base_url);
           if ($pos !== false) {
             if($pos==0){
               $rewritten = str_replace($base_url, "", $_SERVER['REQUEST_URI']);
               $_SERVER['REQUEST_URI'] = $rewritten;
             }
           }
           
           ELoader::$site_path = getcwd();
           break;
         }
       }
     }
   }
   
   //load all modules dynamically
   public static function loadAllModules(){
     
     ELoader::$root_path = $_SERVER["HTTP_HOST"];
     ELoader::$prev_path = getcwd();
     
     //handle eventual subsites, changes directory and leaves unchanged
     //the engine will later check for gfx presence in an upper folder
     ELoader::checkForSubsites();
     
     ELoader::$abs_path = ELoader::getLibInstallPath(); 
     
     //include source
     if(chdir(ELoader::$abs_path)){
       foreach(glob("*.class.php") as $filename){
         include_once($filename);
       }
     } else {
       ELog::error("critical error including gfx source. Path: ".ELoader::$abs_path);
     }
     //include controllers
     if(chdir(ELoader::$controllers_path)){
       foreach(glob("*.controller.php") as $filename){
         include_once($filename);
       }
     } else {
       ELog::error("critical error including controllers. Path: ".ELoader::$controllers_path);
     }
     
     //include models
     if(chdir(ELoader::$models_path)){
       foreach(glob("*.model.php") as $filename){
         include_once($filename);
       }
     } else {
       ELog::error("critical error including models. Path: ".ELoader::$models_path);
     }
     
     //include local external libraries
     //this is optional, if not found nothing happens
     if(file_exists(ELoader::$locallibs_path)){
       if(chdir(ELoader::$locallibs_path)){
         foreach(glob("*.class.php") as $filename){
           include_once($filename);
         }
       } else {
         ELog::error("critical error including controllers. Path: ".ELoader::$locallibs_path);
       }
     }
     
     //include global external libraries
     if(file_exists(ELoader::$libs_path)){
       if(chdir(ELoader::$libs_path)){
         foreach(glob("*.class.php") as $filename){
           include_once($filename);
         }
       } else {
         ELog::error("critical error including external libs. Path: ".ELoader::$libs_path);
       }
     }
     
     chdir(ELoader::$prev_path);
   }
 }
 
 class EUnloader{
   public function __destruct(){
     EDatabase::unload();
   }
 }
 
 $unloader = new EUnloader();
 
 //including all modules
 ELoader::loadAllModules();
 
 //loading current website configuration
 EConfig::load();
 
 //protecting whole website with auth and enabled
 EProtect::load();
 
 //rewrite url if needed
 if (EConfig::$data['generic']['rewrite'] == "yes"){
   ERewriter::enable();
   ERewriter::load();
 } else {
   ERewriter::disable();
 }
 
 //loading get/post
 if (EConfig::$data['generic']['protectheaders'] == "yes"){
   EHeaderDataParser::load();
 }
 
 //loading database
 if (EConfig::$data['generic']['database'] == "yes"){
   EDatabase::load();
 }
 
 //loading user system
 if (EConfig::$data['generic']['users'] == "yes"){
   OCSUser::client_login();
 }
 
 //rendering the page
 if (EConfig::$data['generic']['mvc'] == "yes"){
   if (EConfig::$data['generic']['rewrite'] == "yes"){
     EStructure::render(); //rendering default page
   } else {
     ELog::error("You must activate 'rewrite' module under config/generic before using 'mvc'!");
     return;
   }
 }
 
 ?>