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<?php |
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/** |
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* Middleware class |
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* |
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* @author Anderson Salas <[email protected]> |
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* @copyright 2017 |
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* @license GNU-3.0 |
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* |
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*/ |
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namespace Luthier\Core; |
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class Middleware |
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{ |
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/** |
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* CodeIgniter instance (in dynamic context) |
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* |
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* @var $CI |
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* |
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* @access protected |
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*/ |
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protected $CI; |
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/** |
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* CodeIgniter instance (in static context) |
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* |
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* @var static $instance |
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* |
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* @access protected |
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*/ |
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protected static $instance; |
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/** |
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* Current URI string |
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* |
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* @var static $uri_string |
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* |
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* @access protected |
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*/ |
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protected static $uri_string; |
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/** |
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* Class constructor |
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* |
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* @return void |
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* |
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* @access public |
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*/ |
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public function __construct() |
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{ |
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$this->CI =& self::$instance; |
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} |
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/** |
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* Class initialization (in static context) |
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* |
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* @return void |
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* |
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* @access public |
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* @static |
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*/ |
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public static function init() |
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{ |
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self::$instance =& get_instance(); |
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self::$uri_string = self::$instance->router->uri->uri_string(); |
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// Execute user defined middleware: |
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self::routeMiddleware(); |
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// Execute Luthier's internal middleware |
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$internalMiddleware = dirname(__DIR__).DIRECTORY_SEPARATOR.'Middleware'.DIRECTORY_SEPARATOR; |
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require $internalMiddleware.'Request.php'; |
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$request = new \Luthier\Middleware\Request(); |
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$request->run(); |
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} |
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/** |
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* Executes the current route middleware (if any) |
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* |
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* @return void |
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* |
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* @access public |
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* @static |
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*/ |
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public static function routeMiddleware() |
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{ |
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$currentRoute = Route::getRouteByPath(self::$uri_string); |
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$_run = array(); |
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// Current route middleware |
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if($currentRoute !== FALSE) |
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{ |
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foreach($currentRoute->middleware as $middleware) |
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{ |
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if(!in_array($middleware,$_run)) |
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$_run[] = $middleware; |
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} |
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} |
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foreach($_run as $middleware) |
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{ |
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self::runMiddleware($middleware); |
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} |
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} |
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/** |
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* Run middleware |
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* |
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* @param string $middlewareName |
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* |
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* @return void |
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* |
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* @access private |
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* @static |
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*/ |
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private static function runMiddleware($middlewareName) |
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{ |
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$middlewareDir = APPPATH.'middleware'.DIRECTORY_SEPARATOR; |
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$middlewareOriginalName = $middlewareName; |
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$middlewareName = ucfirst($middlewareName).'_middleware'; |
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if(!file_exists($middlewareDir)) |
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show_error('Unable to find (or read) the middleware folder: "'.$middlewareDir.'"'); |
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$runMiddleware = $middlewareDir.$middlewareName.'.php'; |
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if(!file_exists($runMiddleware)) |
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show_error('Unable to find (or read) the middleware "'.$runMiddleware.'"'); |
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require $runMiddleware; |
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if(!class_exists($middlewareName)) |
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show_error('Class "'.$middlewareName.'" not found'); |
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$middleware = new $middlewareName(); |
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// Call the current controller __beforeMiddleware() method, if exists: |
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if(method_exists(self::$instance, '_beforeMiddleware')) |
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self::$instance->_beforeMiddleware(); |
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// Run the middleware |
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$middleware->run(); |
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// Call the current controller _afterMiddleware() method, if exists: |
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if(method_exists(self::$instance, '_afterMiddleware')) |
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self::$instance->_afterMiddleware(); |
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} |
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} |
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.