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Middleware.php
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474 lines (419 loc) · 8.99 KB
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<?php
/**
* @author : Jakiboy
* @package : FloatPHP
* @subpackage : Kernel Component
* @version : 1.5.x
* @copyright : (c) 2018 - 2025 Jihad Sinnaour <me@jihadsinnaour.com>
* @link : https://floatphp.com
* @license : MIT
*
* This file is a part of FloatPHP Framework.
*/
declare(strict_types=1);
namespace FloatPHP\Kernel;
use FloatPHP\Helpers\Framework\Debugger;
use FloatPHP\Interfaces\Classes\RouterInterface;
final class Middleware
{
use TraitConfiguration;
use TraitException;
/**
* @access private
*/
private $match;
/**
* Middleware routing system.
*
* @param RouterInterface $router
* @see $router->addMatchTypes(['name' => 'regex']);
*/
public function __construct(RouterInterface $router)
{
// Prepare router from config
$router->setBase($this->getBaseRoute());
// Set global router
$router->addRoutes($this->getRoutes());
// Set modules router
$module = new Module();
$router->addRoutes($module->getModulesRoutes());
// Match request
$this->match = $router->match();
}
/**
* Dispatch request (route) and kill execution.
*
* @access public
* @return void
*/
public function dispatch() : void
{
if ( $this->match ) {
if ( $this->isCallable() ) {
// Callable
$this->doCallable();
} elseif ( $this->isClassMethod() ) {
// Class method
$this->doInstance();
} elseif ( $this->isModule() ) {
// Module class
$this->doModuleInstance();
}
} else {
$this->throwError(404);
}
if ( !Debugger::enabled() ) exit();
}
/**
* Whether controller is a function.
*
* @access private
* @return bool
*/
private function isCallable() : bool
{
if ( $this->isType('callable', $this->match['target']) && !$this->isModule() ) {
return true;
}
return false;
}
/**
* Whether controller is a class.
*
* @access private
* @return bool
*/
private function isClassMethod() : bool
{
if ( !$this->isType('callable', $this->match['target']) && !$this->isModule() ) {
return true;
}
return false;
}
/**
* Execute callable.
*
* @access private
* @return void
*/
private function doCallable() : void
{
if ( $this->isType('function', $this->match['target']) ) {
$this->match['target']($this->parseVar());
}
}
/**
* Instance controller.
*
* @access private
* @return void
*/
private function doInstance() : void
{
// Parse
$class = $this->parseClass();
$method = $this->parseMethod();
$var = $this->parseVar();
$role = $this->parsePermission();
// Secure access
$instance = new $class();
if ( !$instance->hasAccess() ) {
$instance->throwError(406);
}
// Match instance with request
if ( $this->isFrontController($class) ) {
$instance->$method($var);
} elseif ( $this->isBackendController($class) ) {
if ( $instance->isAuthenticated() ) {
if ( $instance->hasPermissions($role) ) {
$instance->$method($var);
} else {
$instance->throwError(403);
}
} else {
$this->redirect($this->getLoginUrl());
}
} elseif ( $this->isAuthController($class) ) {
if ( $instance->isAuthenticated() ) {
$this->redirect($this->getAdminUrl());
} else {
$instance->$method($var);
}
} elseif ( $this->isWebserviceController($class) ) {
if ( $instance->isHttpAuthenticated() ) {
$instance->$method($var);
} else {
$this->setResponse('Authorization Required', [], 'error', 401);
}
}
}
/**
* Instance module.
*
* @access private
* @return void
*/
private function doModuleInstance() : void
{
// Parse
$class = $this->parseModuleClass();
$method = $this->parseMethod();
$var = $this->parseVar();
$role = $this->parsePermission();
// Secure access
$instance = new $class();
if ( !$instance->hasAccess() ) {
$instance->throwError(406);
}
// Match instance with request
if ( $this->isFrontController($class) ) {
$instance->$method($var);
} elseif ( $this->isWebserviceController($class) ) {
if ( $instance->isHttpAuthenticated() ) {
$instance->$method($var);
} else {
$this->setResponse('Authorization Required', [], 'error', 401);
}
} else {
if ( $instance->isAuthenticated() ) {
if ( $instance->hasPermissions($role) ) {
$instance->$method($var);
} else {
$instance->throwError(403);
}
} else {
$this->redirect($this->getLoginUrl());
}
}
}
/**
* Check front controller.
*
* @access private
* @param string $class
* @return bool
*/
private function isFrontController($class) : bool
{
if ( !$this->isAuthController($class) ) {
if ( $this->isFrontClass($class) || $this->hasFrontInterface($class) ) {
return true;
}
}
return false;
}
/**
* Check backend controller.
*
* @access private
* @param string $class
* @return bool
*/
private function isBackendController($class) : bool
{
if ( !$this->isAuthController($class) ) {
if ( $this->isBackendClass($class) || $this->hasBackendInterface($class) ) {
return true;
}
}
return false;
}
/**
* Check API controller.
*
* @access private
* @param string $class
* @return void
*/
private function isWebserviceController($class) : bool
{
if ( !$this->isAuthController($class) ) {
if ( $this->isWebserviceClass($class) || $this->hasApiInterface($class) ) {
return true;
}
}
return false;
}
/**
* Check auth controller.
*
* @access private
* @access private
* @param string $class
* @return bool
*/
private function isAuthController($class) : bool
{
if ( $this->hasObject('parent', $class, __NAMESPACE__ . '\AbstractAuth') ) {
return true;
} elseif ( $this->hasAuthMiddleInterface($class) ) {
return true;
}
return false;
}
/**
* Check front class.
*
* @access private
* @param string $class
* @return bool
*/
private function isFrontClass($class) : bool
{
return $this->hasObject('parent', $class, __NAMESPACE__ . '\FrontController');
}
/**
* Check backend class.
*
* @access private
* @param string $class
* @return bool
*/
private function isBackendClass($class) : bool
{
return $this->hasObject('parent', $class, __NAMESPACE__ . '\BackendController');
}
/**
* Check API class.
*
* @access private
* @param string $class
* @return bool
*/
private function isWebserviceClass($class) : bool
{
return $this->hasObject('parent', $class, __NAMESPACE__ . '\Webservice');
}
/**
* Check backend interface.
*
* @access private
* @param string $class
* @return bool
*/
private function hasBackendInterface($class) : bool
{
return $this->hasObject('interface', $class, 'BackendInterface');
}
/**
* Check front interface.
*
* @access private
* @param string $class
* @return bool
*/
private function hasFrontInterface($class) : bool
{
if ( $this->hasObject('interface', $class, 'FrontInterface') ) {
return true;
}
return false;
}
/**
* Check API interface.
*
* @access private
* @param string $class
* @return bool
*/
private function hasApiInterface($class) : bool
{
return $this->hasObject('interface', $class, 'ApiInterface');
}
/**
* Check authentication middleware interface.
*
* @access private
* @param string $class
* @return bool
*/
private function hasAuthMiddleInterface($class) : bool
{
return $this->hasObject('interface', $class, 'AuthMiddlewareInterface');
}
/**
* Check module.
*
* @access private
* @return bool
*/
private function isModule() : bool
{
$module = $this->lowercase($this->match['target']);
if ( $this->hasString($module, 'module') ) {
return true;
}
return false;
}
/**
* Parse module class.
*
* @access private
* @return string
*/
private function parseModuleClass() : string
{
$target = explode('@', $this->match['target']);
$class = $target[0] ?? false;
if ( !$class ) {
$this->throwError(404);
}
$module = $this->removeString('Module', $class);
return $this->getNamespace('module') . "{$module}\\{$class}";
}
/**
* Parse class.
*
* @access private
* @return string
*/
private function parseClass() : string
{
$target = explode('@', $this->match['target']);
$class = $target[0] ?? false;
if ( !$class ) {
$this->throwError(404);
}
return "{$this->getNamespace('controller')}{$class}";
}
/**
* Parse method.
*
* @access private
* @return string
*/
private function parseMethod() : string
{
$target = explode('@', $this->match['target']);
return $target[1] ?? 'index';
}
/**
* Parse permissions.
*
* @access private
* @return mixed
*/
private function parsePermission() : mixed
{
return $this->match['permissions'] ?? false;
}
/**
* Parse request var.
*
* @access private
* @return mixed
*/
private function parseVar() : mixed
{
$var = null;
if ( !empty($this->match['params']) ) {
if ( count($this->match['params']) > 1 ) {
$var = $this->mergeArray($this->match['params']);
} elseif ( count($this->match['params']) == 1 ) {
$key = key($this->match['params']);
$var = $this->match['params'][$key];
}
}
return $var;
}
}