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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.3.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Http;
use Cake\Core\App;
use Cake\Routing\Exception\MissingControllerException;
use Cake\Utility\Inflector;
use ReflectionClass;
/**
* Factory method for building controllers from request/response pairs.
*/
class ControllerFactory
{
/**
* Create a controller for a given request/response
*
* @param \Cake\Http\ServerRequest $request The request to build a controller for.
* @param \Cake\Http\Response $response The response to use.
* @return \Cake\Controller\Controller
*/
public function create(ServerRequest $request, Response $response)
{
$className = $this->getControllerClass($request);
if (!$className) {
$this->missingController($request);
}
$reflection = new ReflectionClass($className);
if ($reflection->isAbstract() || $reflection->isInterface()) {
$this->missingController($request);
}
return $reflection->newInstance($request, $response);
}
/**
* Determine the controller class name based on current request and controller param
*
* @param \Cake\Http\ServerRequest $request The request to build a controller for.
* @return string|null
*/
public function getControllerClass(ServerRequest $request)
{
$pluginPath = $controller = null;
$namespace = 'Controller';
if ($request->getParam('controller')) {
$controller = $request->getParam('controller');
}
if ($request->getParam('plugin')) {
$pluginPath = $request->getParam('plugin') . '.';
}
if ($request->getParam('prefix')) {
if (strpos($request->getParam('prefix'), '/') === false) {
$namespace .= '/' . Inflector::camelize($request->getParam('prefix'));
} else {
$prefixes = array_map(
'Cake\Utility\Inflector::camelize',
explode('/', $request->getParam('prefix'))
);
$namespace .= '/' . implode('/', $prefixes);
}
}
$firstChar = substr($controller, 0, 1);
// Disallow plugin short forms, / and \\ from
// controller names as they allow direct references to
// be created.
if (strpos($controller, '\\') !== false ||
strpos($controller, '/') !== false ||
strpos($controller, '.') !== false ||
$firstChar === strtolower($firstChar)
) {
$this->missingController($request);
}
return App::className($pluginPath . $controller, $namespace, 'Controller') ?: null;
}
/**
* Throws an exception when a controller is missing.
*
* @param \Cake\Http\ServerRequest $request The request.
* @throws \Cake\Routing\Exception\MissingControllerException
* @return void
*/
protected function missingController($request)
{
throw new MissingControllerException([
'class' => $request->getParam('controller'),
'plugin' => $request->getParam('plugin'),
'prefix' => $request->getParam('prefix'),
'_ext' => $request->getParam('_ext')
]);
}
}