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- <?php
- /**
- * @package Grav\Common\Errors
- *
- * @copyright Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
- * @license MIT License; see LICENSE file for details.
- */
- namespace Grav\Common\Errors;
- use Whoops\Handler\Handler;
- use Whoops\Util\Misc;
- use Whoops\Util\TemplateHelper;
- class SimplePageHandler extends Handler
- {
- private $searchPaths = array();
- private $resourceCache = array();
- public function __construct()
- {
- // Add the default, local resource search path:
- $this->searchPaths[] = __DIR__ . '/Resources';
- }
- /**
- * @return int|null
- */
- public function handle()
- {
- $inspector = $this->getInspector();
- $helper = new TemplateHelper();
- $templateFile = $this->getResource('layout.html.php');
- $cssFile = $this->getResource('error.css');
- $code = $inspector->getException()->getCode();
- if ( ($code >= 400) && ($code < 600) )
- {
- $this->getRun()->sendHttpCode($code);
- }
- $message = $inspector->getException()->getMessage();
- if ($inspector->getException() instanceof \ErrorException) {
- $code = Misc::translateErrorCode($code);
- }
- $vars = array(
- 'stylesheet' => file_get_contents($cssFile),
- 'code' => $code,
- 'message' => filter_var(rawurldecode($message), FILTER_SANITIZE_STRING),
- );
- $helper->setVariables($vars);
- $helper->render($templateFile);
- return Handler::QUIT;
- }
- /**
- * @param string $resource
- *
- * @return string
- * @throws \RuntimeException
- */
- protected function getResource($resource)
- {
- // If the resource was found before, we can speed things up
- // by caching its absolute, resolved path:
- if (isset($this->resourceCache[$resource])) {
- return $this->resourceCache[$resource];
- }
- // Search through available search paths, until we find the
- // resource we're after:
- foreach ($this->searchPaths as $path) {
- $fullPath = "{$path}/{$resource}";
- if (is_file($fullPath)) {
- // Cache the result:
- $this->resourceCache[$resource] = $fullPath;
- return $fullPath;
- }
- }
- // If we got this far, nothing was found.
- throw new \RuntimeException(
- "Could not find resource '{$resource}' in any resource paths (searched: " . implode(', ', $this->searchPaths). ')'
- );
- }
- public function addResourcePath($path)
- {
- if (!is_dir($path)) {
- throw new \InvalidArgumentException(
- "'{$path}' is not a valid directory"
- );
- }
- array_unshift($this->searchPaths, $path);
- }
- public function getResourcePaths()
- {
- return $this->searchPaths;
- }
- }
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