first commi

2021-03-05 09:30:59 +01:00
commit bfa5e61d5e
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+<?php
+
+/**
+ * @package    Grav\Common\Errors
+ *
+ * @copyright  Copyright (c) 2015 - 2021 Trilby Media, LLC. All rights reserved.
+ * @license    MIT License; see LICENSE file for details.
+ */
+
+namespace Grav\Common\Errors;
+
+use ErrorException;
+use InvalidArgumentException;
+use RuntimeException;
+use Whoops\Handler\Handler;
+use Whoops\Util\Misc;
+use Whoops\Util\TemplateHelper;
+
+/**
+ * Class SimplePageHandler
+ * @package Grav\Common\Errors
+ */
+class SimplePageHandler extends Handler
+{
+    /** @var array */
+    private $searchPaths = [];
+    /** @var array */
+    private $resourceCache = [];
+
+    public function __construct()
+    {
+        // Add the default, local resource search path:
+        $this->searchPaths[] = __DIR__ . '/Resources';
+    }
+
+    /**
+     * @return int
+     */
+    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). ')'
+        );
+    }
+
+    /**
+     * @param string $path
+     * @return void
+     */
+    public function addResourcePath($path)
+    {
+        if (!is_dir($path)) {
+            throw new InvalidArgumentException(
+                "'{$path}' is not a valid directory"
+            );
+        }
+
+        array_unshift($this->searchPaths, $path);
+    }
+
+    /**
+     * @return array
+     */
+    public function getResourcePaths()
+    {
+        return $this->searchPaths;
+    }
+}