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470 lines (434 loc) · 9.08 KB
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<?php
/**
* @author : JIHAD SINNAOUR
* @package : FloatPHP
* @subpackage: Kernel Component
* @version : 1.0.0
* @category : PHP framework
* @copyright : (c) JIHAD SINNAOUR <mail@jihadsinnaour.com>
* @link : https://www.floatphp.com
* @license : MIT License
*/
namespace floatphp\Kernel;
use floatphp\Kernel\Module;
use floatphp\Kernel\Exceptions\MiddlewareException;
use App\System\Classes\Http\Router;
use App\System\Classes\Auth\Session;
final class Middleware
{
/**
* @access private
*/
private $router;
private $match;
private $config;
/**
* Middleware system
*
* @param void
* @return void
*/
public function __construct()
{
$this->init();
$this->provide();
}
/**
* init routing
*
* @param void
* @return void
*
* $this->router->addMatchTypes(['name'=>'regex']);
*/
private function init()
{
// get global configuration
$this->config = new Configuration();
// prepare router from config
$this->router = new Router();
$this->router->setBasePath( $this->config->global->root );
// set global router
$this->router->addRoutes( $this->config->routes );
// set modules router
$this->router->addRoutes( Module::router() );
// var_dump(Module::router());die();
// match request
$this->match = $this->router->match();
}
/**
* provide response
*
* @param void
* @return void
*
*/
private function provide()
{
new Session();
if ( $this->match )
{
// callable with paramater
if ( $this->isCallable() && $this->hasParameter() )
{
$this->doCallable(true);
}
// callable without paramater
elseif ( $this->isCallable() && !$this->hasParameter() )
{
$this->doCallable();
}
// class method with paramater
elseif ( $this->isClassMethod() && $this->hasParameter() )
{
$this->doInstance(true);
}
// class method without paramater
elseif ( $this->isClassMethod() && !$this->hasParameter() )
{
$this->doInstance();
}
// Module class method without paramater
elseif ( $this->isModule() && $this->hasParameter() )
{
$this->doModuleInstance(true);
}
// Module class method without paramater
elseif ( $this->isModule() && !$this->hasParameter() )
{
$this->doModuleInstance();
}
}
else
{
$this->do404();
}
}
/**
* If controller is a callable or class
*
* @param void
* @return void
*/
private function isCallable()
{
if ( is_callable($this->match['target']) && !$this->isModule() ) return true;
}
/**
* If controller is a callable or class
*
* @param void
* @return void
*/
private function isClassMethod()
{
if ( !is_callable($this->match['target']) && !$this->isModule() ) return true;
}
/**
* If controller has parameter
*
* @param void
* @return void
*/
private function hasParameter()
{
if( !empty($this->match['params']) ) return true;
}
/**
* execute callable, with and without parameter
*
* @param void
* @return void
*/
private function doCallable($param = false)
{
if (function_exists($this->match['target']))
{
if ($param) $this->match['target']($this->match['params']);
else $this->match['target']();
}
}
/**
* execute controller, with and without parameter
*
* @param void
* @return void
*/
private function doInstance($param = false)
{
$target = explode('@', $this->match['target']);
$class = '\App\Controllers\\'.$target[0];
$method = $target[1];
// With parameter
if ($param)
{
// handle parameters
if (count($this->match['params']) > 1)
{
$var = array_merge($this->match['params']);
}
elseif (count($this->match['params']) == 1)
{
$key = key($this->match['params']);
$var = $this->match['params'][$key];
}
if ($this->isFrontController($class))
{
$instance = new $class();
$instance->$method($var);
}
elseif ( $this->isBackendController($class) )
{
if ( $this->isAuthenticated() )
{
$instance = new $class();
$instance->$method($var);
}
else
{
$login = (string)$this->config->global->system->login;
header("Location: $login");
}
}
elseif ( $this->isAuthMiddleware($class) )
{
if ( $this->isAuthenticated() )
{
$admin = (string)$this->config->global->system->admin;
header("Location: $admin");
}
else
{
$instance = new $class;
$instance->$method($var);
}
}
elseif ( $this->isApiController($class) )
{
if ( $this->isHttpAuthenticated() )
{
$instance = new $class();
$instance->$method($var);
}
}
}
// Without parameter
else
{
if ( $this->isFrontController($class) )
{
$instance = new $class();
$instance->$method();
}
elseif ( $this->isBackendController($class) )
{
if ( $this->isAuthenticated() )
{
$instance = new $class();
$instance->$method();
}
else
{
$login = (string)$this->config->global->system->login;
header("Location: $login");
}
}
elseif ( $this->isAuthMiddleware($class) )
{
if ( $this->isAuthenticated() )
{
$admin = (string)$this->config->global->system->admin;
header("Location: $admin");
}
else
{
$instance = new $class();
$instance->$method();
}
}
elseif ( $this->isApiController($class) )
{
if ( $this->isHttpAuthenticated() )
{
$instance = new $class();
$instance->$method();
}
}
}
}
/**
* execute controller, with and without parameter
*
* @param void
* @return void
*/
private function doModuleInstance($param = false)
{
$target = explode('@', $this->match['target']);
$module = str_replace('Module', '', $target[0]);
$class = "\App\Modules\\{$module}\\" . $target[0];
$method = $target[1];
// handle parameters
if (count($this->match['params']) > 1)
{
$var = array_merge($this->match['params']);
}
elseif (count($this->match['params']) == 1)
{
$key = key($this->match['params']);
$var = $this->match['params'][$key];
}
// With parameter
if ($param)
{
$instance = new $class();
$instance->$method($var);
}
// Without parameter
else
{
$instance = new $class();
$instance->$method();
}
}
/**
* return http message
*
* @param void
* @return mixed
*/
private function do404()
{
new \floatphp\Kernel\ErrorController('404','Not found');
}
/**
* Is user authenticated
*
* @param void
* @return true
*/
private function isAuthenticated()
{
if ( isset($_SESSION['userID']) ) return true;
}
/**
* Is http authenticated
*
* @param void
* @return true
*/
private function isHttpAuthenticated()
{
if ( isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW']) )
{
$username = (string)$this->config->global->api->username;
$password = (string)$this->config->global->api->password;
if (($_SERVER['PHP_AUTH_USER'] !== $username) || ($_SERVER['PHP_AUTH_PW'] !== $password))
{
header('HTTP/1.0 401 Unauthorized');
echo 'Authorization Required.';
exit;
}
else
{
return true;
}
}
else
{
header('HTTP/1.0 401 Unauthorized');
echo 'Authorization Required.';
exit;
}
}
/**
* Is AuthMiddleware class
*
* @param string $class
* @return true
*/
private function isAuthMiddleware($class)
{
if ($class == '\App\Controllers\AuthController') return true;
}
/**
* Is AuthMiddleware class
*
* @param string $class
* @return true
*/
private function isFrontSubClass($class)
{
if ( is_subclass_of($class,'\floatphp\Kernel\FrontController') ) return true;
}
/**
* Is AuthMiddleware class
*
* @param string $class
* @return true
*/
private function isBackendSubClass($class)
{
if ( is_subclass_of($class,'\floatphp\Kernel\BackendController') ) return true;
}
/**
* Is AuthMiddleware class
*
* @param string $class
* @return true
*/
private function isApiSubClass($class)
{
if ( is_subclass_of($class,'\floatphp\Kernel\ApiController') ) return true;
}
/**
* Is AuthMiddleware class
*
* @param string $class
* @return true
*/
private function isModuleSubClass($class)
{
if ( is_subclass_of($class,'\floatphp\Kernel\Module') ) return true;
}
/**
* Is FrontController class and not AuthMiddleware
*
* @param string $class
* @return void
*/
private function isFrontController($class)
{
if ( !$this->isAuthMiddleware($class) && $this->isFrontSubClass($class) ) return true;
}
/**
* Is BackEndController class but not AuthMiddleware
*
* @param string $class
* @return void
*/
private function isBackendController($class)
{
if ( !$this->isAuthMiddleware($class) && $this->isBackendSubClass($class) ) return true;
}
/**
* Is BackEndController class but not AuthMiddleware
*
* @param string $class
* @return void
*/
private function isApiController($class)
{
if ( !$this->isAuthMiddleware($class) && $this->isApiSubClass($class) ) return true;
}
/**
* Is BackEndController class but not AuthMiddleware
*
* @param string $class
* @return void
*/
private function isModule()
{
if ( strpos($this->match['target'],'Module') ) return true;
}
}