mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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18a34c03a4
Fix issue where unknown exceptions with error codes that were not in HTTP ranges would be ignored. In development those messages should display. Fixes #2205
283 lines
7.8 KiB
PHP
283 lines
7.8 KiB
PHP
<?php
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/**
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* Exception Renderer
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*
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* Provides Exception rendering features. Which allow exceptions to be rendered
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* as HTML pages.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Error
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* @since CakePHP(tm) v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('Sanitize', 'Utility');
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App::uses('Router', 'Routing');
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App::uses('CakeResponse', 'Network');
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/**
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* Exception Renderer.
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*
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* Captures and handles all unhandled exceptions. Displays helpful framework errors when debug > 1.
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* When debug < 1 a CakeException will render 404 or 500 errors. If an uncaught exception is thrown
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* and it is a type that ExceptionHandler does not know about it will be treated as a 500 error.
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*
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* ### Implementing application specific exception rendering
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*
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* You can implement application specific exception handling in one of a few ways:
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*
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* - Create a AppController::appError();
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* - Create a subclass of ExceptionRenderer and configure it to be the `Exception.renderer`
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*
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* #### Using AppController::appError();
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*
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* This controller method is called instead of the default exception handling. It receives the
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* thrown exception as its only argument. You should implement your error handling in that method.
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*
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* #### Using a subclass of ExceptionRenderer
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*
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* Using a subclass of ExceptionRenderer gives you full control over how Exceptions are rendered, you
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* can configure your class in your core.php, with `Configure::write('Exception.renderer', 'MyClass');`
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* You should place any custom exception renderers in `app/Lib/Error`.
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*
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* @package Cake.Error
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*/
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class ExceptionRenderer {
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/**
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* Controller instance.
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*
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* @var Controller
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*/
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public $controller = null;
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/**
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* template to render for CakeException
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*
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* @var string
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*/
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public $template = '';
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/**
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* The method corresponding to the Exception this object is for.
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*
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* @var string
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*/
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public $method = '';
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/**
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* The exception being handled.
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*
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* @var Exception
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*/
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public $error = null;
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/**
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* Creates the controller to perform rendering on the error response.
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* If the error is a CakeException it will be converted to either a 400 or a 500
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* code error depending on the code used to construct the error.
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*
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* @param Exception $exception Exception
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*/
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public function __construct(Exception $exception) {
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$this->controller = $this->_getController($exception);
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if (method_exists($this->controller, 'apperror')) {
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return $this->controller->appError($exception);
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}
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$method = $template = Inflector::variable(str_replace('Exception', '', get_class($exception)));
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$code = $exception->getCode();
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$methodExists = method_exists($this, $method);
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if ($exception instanceof CakeException && !$methodExists) {
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$method = '_cakeError';
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if (empty($template)) {
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$template = 'error500';
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}
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if ($template == 'internalError') {
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$template = 'error500';
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}
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} elseif ($exception instanceof PDOException) {
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$method = 'pdoError';
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$template = 'pdo_error';
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$code = 500;
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} elseif (!$methodExists) {
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$method = 'error500';
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if ($code >= 400 && $code < 500) {
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$method = 'error400';
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}
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}
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if (Configure::read('debug') == 0) {
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if ($method == '_cakeError') {
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$method = 'error400';
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}
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if ($code == 500) {
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$method = 'error500';
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}
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}
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$this->template = $template;
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$this->method = $method;
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$this->error = $exception;
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}
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/**
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* Get the controller instance to handle the exception.
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* Override this method in subclasses to customize the controller used.
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* This method returns the built in `CakeErrorController` normally, or if an error is repeated
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* a bare controller will be used.
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*
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* @param Exception $exception The exception to get a controller for.
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* @return Controller
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*/
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protected function _getController($exception) {
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App::uses('CakeErrorController', 'Controller');
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if (!$request = Router::getRequest(false)) {
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$request = new CakeRequest();
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}
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$response = new CakeResponse(array('charset' => Configure::read('App.encoding')));
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try {
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$controller = new CakeErrorController($request, $response);
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} catch (Exception $e) {
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$controller = new Controller($request, $response);
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$controller->viewPath = 'Errors';
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}
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return $controller;
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}
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/**
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* Renders the response for the exception.
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*
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* @return void
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*/
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public function render() {
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if ($this->method) {
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call_user_func_array(array($this, $this->method), array($this->error));
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}
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}
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/**
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* Generic handler for the internal framework errors CakePHP can generate.
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*
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* @param CakeException $error
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* @return void
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*/
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protected function _cakeError(CakeException $error) {
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$url = $this->controller->request->here();
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$code = ($error->getCode() >= 400 && $error->getCode() < 506) ? $error->getCode() : 500;
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$this->controller->response->statusCode($code);
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$this->controller->set(array(
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'code' => $code,
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'url' => h($url),
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'name' => $error->getMessage(),
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'error' => $error,
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));
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try {
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$this->controller->set($error->getAttributes());
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$this->_outputMessage($this->template);
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} catch (Exception $e) {
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$this->_outputMessageSafe('error500');
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}
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}
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/**
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* Convenience method to display a 400 series page.
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*
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* @param Exception $error
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* @return void
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*/
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public function error400($error) {
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$message = $error->getMessage();
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if (Configure::read('debug') == 0 && $error instanceof CakeException) {
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$message = __d('cake', 'Not Found');
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}
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$url = $this->controller->request->here();
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$this->controller->response->statusCode($error->getCode());
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$this->controller->set(array(
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'name' => $message,
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'url' => h($url),
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'error' => $error,
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));
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$this->_outputMessage('error400');
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}
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/**
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* Convenience method to display a 500 page.
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*
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* @param Exception $error
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* @return void
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*/
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public function error500($error) {
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$message = $error->getMessage();
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if (Configure::read('debug') == 0) {
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$message = __d('cake', 'An Internal Error Has Occurred');
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}
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$url = $this->controller->request->here();
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$code = ($error->getCode() > 500 && $error->getCode() < 506) ? $error->getCode() : 500;
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$this->controller->response->statusCode($code);
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$this->controller->set(array(
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'name' => $message,
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'message' => h($url),
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'error' => $error,
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));
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$this->_outputMessage('error500');
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}
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/**
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* Convenience method to display a PDOException.
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*
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* @param PDOException $error
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* @return void
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*/
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public function pdoError(PDOException $error) {
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$url = $this->controller->request->here();
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$code = 500;
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$this->controller->response->statusCode($code);
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$this->controller->set(array(
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'code' => $code,
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'url' => h($url),
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'name' => $error->getMessage(),
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'error' => $error,
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));
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try {
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$this->_outputMessage($this->template);
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} catch (Exception $e) {
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$this->_outputMessageSafe('error500');
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}
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}
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/**
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* Generate the response using the controller object.
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*
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* @param string $template The template to render.
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* @return void
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*/
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protected function _outputMessage($template) {
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$this->controller->render($template);
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$this->controller->afterFilter();
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$this->controller->response->send();
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}
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/**
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* A safer way to render error messages, replaces all helpers, with basics
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* and doesn't call component methods.
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*
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* @param string $template The template to render
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* @return void
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*/
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protected function _outputMessageSafe($template) {
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$this->controller->helpers = array('Form', 'Html', 'Session');
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$this->controller->render($template);
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$this->controller->response->send();
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}
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}
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