<?
/**
This file contains the php-papa engine :)
===========================================================
FileName : papa/core.php
License : GNU/LGPL
Project : PHP-PAPA
Type : PHP Framework
Class Name : !!!
Version : 1.0
===========================================================
*/
/*************************************************************************
* Start profiling
*************************************************************************/
$time_start = microtime( true );
ob_start();
//we won't use magic quotes :)
set_magic_quotes_runtime(0);
/*----------------------------------------------------------------------*/
/*************************************************************************
* Load the config file and frequently used values
**************************************************************************/
include 'papa/config.php';
//get the application folder name in document root
$papa_base_path = substr($_SERVER['PHP_SELF']
, 0
, strpos($_SERVER['PHP_SELF'], '/index.php'));
//Make the application url
$papa_base_url = 'http://' . $_SERVER['HTTP_HOST'] . $papa_base_path;
// Get the application name/title from the config file
$papa_app_name = @$papa_config['application']['name'];
// Get the session name
$sessionClass = @$papa_config['application']['session'];
$papa_base_dir = realpath(dirname(__FILE__));
$papa_base_dir = str_replace("\\", "/", $papa_base_dir);
// Get the default controller name, if not set papa will take
// '_default' as the default controller name
$papa_default_controller = @$papa_config["application"]["default_controller"];
if(empty($papa_default_controller)){
$papa_default_controller = "_default";
}
/**
* if true, debug box will appear on the browser
*/
$__PAPA_DEBUG__ON__ = $papa_config["application"]["debug_console"]===true;
/*----------------------------------------------------------------------*/
/*************************************************************************
* Load the core lib file
*************************************************************************/
include 'papa/core.php';
/*----------------------------------------------------------------------*/
/*************************************************************************
* Suppress any output to browser
* and start the session with the handler
*************************************************************************/
///*
if(empty($sessionClass)){
$sessionClass = 'PapaSession';
require_once('papa/PapaSession.php');
}else{
//papa_use($sessionClass);
require_once $papa_base_dir.'/classes/'.str_replace('.','/',$sessionClass).'.php';
}
try{
$session = new $sessionClass();
}catch(Exception $ex){
var_dump($ex);
}//*/
if(isset($_SESSION['__papa__new_session'])){
$_SESSION['__papa__new_session'] = false;
}else{
$_SESSION['__papa__new_session'] = true;
}
/*----------------------------------------------------------------------*/
/*************************************************************************
* Functions related to translation/localization
************************************************************************/
if(isset($_SESSION['__PAPA__locale'])){ // Not set before in the session?
$__PAPA_LOCALE_ = $_SESSION['__PAPA__locale']; // papa_session_get could be used
}else{
$__PAPA_LOCALE_ = $papa_config['settings']['locale']; // set it from the config.xml
}
/**
* The lang array and try to load the language file. A language
* translation file is put under the lang folder.
*/
$__PAPA_LANG__[]='';
@include_once 'lang/'.$__PAPA_LOCALE_.'.php'; // Try to load the locale file
/*************************************************************************
* Load the theme and set it
*************************************************************************/
if(isset($_SESSION['__PAPA__theme'])){
$papa_theme = $_SESSION['__PAPA__theme'];
}else if(isset($papa_config['settings']['theme']))
$papa_theme = $papa_config['settings']['theme'];
if( empty( $papa_theme ) ){ // Theme not set in config file ?
$papa_theme = 'default'; // Set it default -- convention
}
// So not empty, get it from the session
papa_set_current_theme($papa_theme);
/*----------------------------------------------------------------------*/
/*************************************************************************
* Process the request URI
*************************************************************************/
$path= $_SERVER["REQUEST_URI"]; // Get the request URI
if(strpos($path,'?')!==false)
$path = substr($path,0,strpos($path,'?'));//extract the GET param
/**
* Fix following type of url: www.test.com/hello///home/s////sdf
* to www.test.com/hello/home/s/sdf
*/
$path = ereg_replace( '/+', "/", $path );
/**
* The url may end with .html extension
*/
if( substr( $path, -5 ) == '.html' ){ // Remove any .html added by pa_href
$path = substr( $path, 0, -5 );
}
/**
* Request type could be determined from here by the extensions
* but it is done in papa_get_request_type() function for future
* extendings
*/
$papa_current_path = substr( $path, mb_strlen( $papa_base_path, 'UTF-8' ) );
if( mb_strlen( $papa_current_path , 'UTF-8' ) > 1 ){ // Eemove slash at front
$papa_current_path = substr( $papa_current_path, 1 );
}
if( substr( $papa_current_path, -1 ) == '/' ){ // Remove any trailing slash
$papa_current_path = substr( $papa_current_path, 0, -1 );
if(!empty($papa_current_path)){
return header('Location:'.$papa_base_path.'/'.$papa_current_path.'.html');
}
}
$papa_current_path = ereg_replace( '/+', "/", $papa_current_path );
//$papa_current_path = $papa_current_path
$req = explode( "/", $papa_current_path );
/*----------------------------------------------------------------------*/
/*************************************************************************
* Determine the controller and the method
*************************************************************************/
$strController = ''; // The controller name
$strMethod = ''; // The method name
if( count( $req ) < 1 ){ // If no controller selected, forward to default index
include( 'controller/' . $papa_default_controller . '.php' ); // Load the Default controller, convention
$controller = new $papa_default_controller();
$strController = $papa_default_controller; // Set the controller name
$method = 'index'; // Set the method name
}else{ // Load the requested controller and call the method
/*
* Controllers can be grouped into folders. In that case
* folders can be added before the controller name separated
* by '-'. for example, controllers/admin/user.php can be
* called using /admin-user/
*
* For optimizing purpose can remove the following line if you
* never use folders to group your controllers
*
* For histrical reason and lazyness the variable name is kept $applet
*/
$applet = array_shift( $req );
/**
* Handle special sitation for virtual controller _papa
* any papa_xxx function can be called as /_papa/functionanme/arg1/arg2/arg3/...
*/
if( '_papa' == $applet or '__action' == $applet){
$method = array_shift( $req ); // Get the requested method
if(!empty( $method )){ // If its not empty...
return call_user_func_array( $method, $req ); // call it
}else{ // This can be customized when papa gets older
echo 'unknown request';
return;
}
}
/**
* Check if its a call to a applet
*/
if( 'app' == $applet ){
$method = array_shift( $req ); // Get the requested method
if(!empty( $method )){ // If its not empty...
if(file_exists($papa_base_dir . '/applets/' . $method .'/index.php'))
{
return papa_show_app($method);
}else{
papa_404();
return;
}
//return call_user_func_array( $method, $req ); // call it
}else{ // This can be customized when papa gets older
echo 'unknown applet';
return;
}
}
///////////////////////////////////
/**
* Load the controller class
*/
$path = $papa_current_path;
$applet='';
do{
if( file_exists( 'controller/'.$path . '/' .$papa_default_controller.'.php' )){
$applet = $path . '/' . $papa_default_controller;
break;
}elseif( file_exists( 'controller/'.$path.'.php' )){
$applet = $path;
break;
}
$path = substr($path,0,strrpos($path,'/'));
}while(strlen($path)>0);
if(empty($applet)){
$applet = $papa_default_controller;
}
$path = substr($papa_current_path,strlen($path));
if($path{0}=='/')
$path = substr($path,1);
$req = explode('/',$path);
$controllerPath = $applet;
include( 'controller/'.$applet.'.php' );
$method = array_shift($req); // Get the method name
/**
* The following two lines can be commented out if controllers are never
* grouped into folders.
*
* Say, a controller a is kept under folder b which is placed under c folder
* i.e. /controller/c/b/a.php
*
* The follwoing two line breaks this string into an array and takes the
* last item of that as the controller class name
*/
$tmp = ( explode( '/', $applet ) );
$applet = $tmp[ count( $tmp ) - 1 ];
$controller = new $applet; // Instanciate the controller
$controller->sessionHandler = $session;
if( empty( $method ) ){ // method name is not given
if( $papa_default_controller == $applet ){
}
$method = 'index'; // Use 'index' as the method name -- Convention
}
if( ! method_exists( $controller, $method ) ){ // Invalid method name ?!
array_unshift( $req,$method ); // Putback the method name in the request array
$method = 'index'; // and use 'index' as the method name -- Convention
}
}// end else
/*************************************************************************
* Check permission of the request
*************************************************************************/
$polices = papa_get_polices($papa_current_path);
$errorPage = ''; //TODO : Can be configurable in older papa
$isPermitted = true; // Flag to store permission status
if( empty( $polices ) ){ // controller has also no police
$isPermitted = true; // set permitted
}else{ // method defined its own police
//$polices = split( ',', $polices ); // take all
foreach( $polices as $police ){ // let all the police to interrogate
if(empty($police)){
continue;
}
include 'classes/'.$police.'.php' ;// go to police station
$cop = new $police(); // call a police
if($cop->isOutLaw()){ // is outlaw?!
$isPermitted = false; // yea, not permitted
$errorPage = $cop->redirectTo(); // get the jail location
break;
}
}
}
if( $isPermitted === true ){ // Call the controller method
if($controller->skipCall()===false){
call_user_func_array( array( $controller, $method ), $req );
}
}else{ // Show the error page, loadview should be used ?
header( 'location:'.$errorPage );
}
/*----------------------------------------------------------------------*/
// simple, right :) ?
?>
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