123 lines
3.1 KiB
PHP
123 lines
3.1 KiB
PHP
<?php
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/**
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* @package Grav\Common\Errors
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*
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* @copyright Copyright (c) 2015 - 2021 Trilby Media, LLC. All rights reserved.
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* @license MIT License; see LICENSE file for details.
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*/
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namespace Grav\Common\Errors;
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use ErrorException;
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use InvalidArgumentException;
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use RuntimeException;
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use Whoops\Handler\Handler;
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use Whoops\Util\Misc;
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use Whoops\Util\TemplateHelper;
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/**
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* Class SimplePageHandler
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* @package Grav\Common\Errors
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*/
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class SimplePageHandler extends Handler
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{
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/** @var array */
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private $searchPaths = [];
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/** @var array */
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private $resourceCache = [];
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public function __construct()
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{
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// Add the default, local resource search path:
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$this->searchPaths[] = __DIR__ . '/Resources';
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}
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/**
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* @return int
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*/
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public function handle()
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{
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$inspector = $this->getInspector();
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$helper = new TemplateHelper();
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$templateFile = $this->getResource('layout.html.php');
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$cssFile = $this->getResource('error.css');
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$code = $inspector->getException()->getCode();
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if (($code >= 400) && ($code < 600)) {
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$this->getRun()->sendHttpCode($code);
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}
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$message = $inspector->getException()->getMessage();
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if ($inspector->getException() instanceof ErrorException) {
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$code = Misc::translateErrorCode($code);
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}
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$vars = array(
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'stylesheet' => file_get_contents($cssFile),
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'code' => $code,
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'message' => filter_var(rawurldecode($message), FILTER_SANITIZE_STRING),
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);
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$helper->setVariables($vars);
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$helper->render($templateFile);
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return Handler::QUIT;
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}
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/**
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* @param string $resource
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* @return string
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* @throws RuntimeException
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*/
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protected function getResource($resource)
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{
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// If the resource was found before, we can speed things up
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// by caching its absolute, resolved path:
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if (isset($this->resourceCache[$resource])) {
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return $this->resourceCache[$resource];
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}
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// Search through available search paths, until we find the
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// resource we're after:
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foreach ($this->searchPaths as $path) {
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$fullPath = "{$path}/{$resource}";
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if (is_file($fullPath)) {
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// Cache the result:
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$this->resourceCache[$resource] = $fullPath;
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return $fullPath;
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}
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}
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// If we got this far, nothing was found.
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throw new RuntimeException(
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"Could not find resource '{$resource}' in any resource paths (searched: " . implode(', ', $this->searchPaths). ')'
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);
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}
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/**
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* @param string $path
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* @return void
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*/
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public function addResourcePath($path)
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{
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if (!is_dir($path)) {
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throw new InvalidArgumentException(
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"'{$path}' is not a valid directory"
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);
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}
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array_unshift($this->searchPaths, $path);
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}
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/**
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* @return array
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*/
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public function getResourcePaths()
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{
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return $this->searchPaths;
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}
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}
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