N°2435.1 Portal: Split portal composer.json in 2

- Autoloader for portal files in the itop-portal-base module
- Dependencies moved to root composer.json
- Add autoloader for /core and /application content

lib/symfony/twig-bundle/Controller/ExceptionController.php

@@ -0,0 +1,144 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\TwigBundle\Controller;
+
+use Symfony\Component\Debug\Exception\FlattenException;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
+use Twig\Environment;
+use Twig\Error\LoaderError;
+use Twig\Loader\ExistsLoaderInterface;
+
+/**
+ * ExceptionController renders error or exception pages for a given
+ * FlattenException.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Matthias Pigulla <mp@webfactory.de>
+ */
+class ExceptionController
+{
+    protected $twig;
+    protected $debug;
+
+    /**
+     * @param Environment $twig
+     * @param bool        $debug Show error (false) or exception (true) pages by default
+     */
+    public function __construct(Environment $twig, $debug)
+    {
+        $this->twig = $twig;
+        $this->debug = $debug;
+    }
+
+    /**
+     * Converts an Exception to a Response.
+     *
+     * A "showException" request parameter can be used to force display of an error page (when set to false) or
+     * the exception page (when true). If it is not present, the "debug" value passed into the constructor will
+     * be used.
+     *
+     * @return Response
+     *
+     * @throws \InvalidArgumentException When the exception template does not exist
+     */
+    public function showAction(Request $request, FlattenException $exception, DebugLoggerInterface $logger = null)
+    {
+        $currentContent = $this->getAndCleanOutputBuffering($request->headers->get('X-Php-Ob-Level', -1));
+        $showException = $request->attributes->get('showException', $this->debug); // As opposed to an additional parameter, this maintains BC
+
+        $code = $exception->getStatusCode();
+
+        return new Response($this->twig->render(
+            (string) $this->findTemplate($request, $request->getRequestFormat(), $code, $showException),
+            [
+                'status_code' => $code,
+                'status_text' => isset(Response::$statusTexts[$code]) ? Response::$statusTexts[$code] : '',
+                'exception' => $exception,
+                'logger' => $logger,
+                'currentContent' => $currentContent,
+            ]
+        ), 200, ['Content-Type' => $request->getMimeType($request->getRequestFormat()) ?: 'text/html']);
+    }
+
+    /**
+     * @param int $startObLevel
+     *
+     * @return string
+     */
+    protected function getAndCleanOutputBuffering($startObLevel)
+    {
+        if (ob_get_level() <= $startObLevel) {
+            return '';
+        }
+
+        Response::closeOutputBuffers($startObLevel + 1, true);
+
+        return ob_get_clean();
+    }
+
+    /**
+     * @param Request $request
+     * @param string  $format
+     * @param int     $code          An HTTP response status code
+     * @param bool    $showException
+     *
+     * @return string
+     */
+    protected function findTemplate(Request $request, $format, $code, $showException)
+    {
+        $name = $showException ? 'exception' : 'error';
+        if ($showException && 'html' == $format) {
+            $name = 'exception_full';
+        }
+
+        // For error pages, try to find a template for the specific HTTP status code and format
+        if (!$showException) {
+            $template = sprintf('@Twig/Exception/%s%s.%s.twig', $name, $code, $format);
+            if ($this->templateExists($template)) {
+                return $template;
+            }
+        }
+
+        // try to find a template for the given format
+        $template = sprintf('@Twig/Exception/%s.%s.twig', $name, $format);
+        if ($this->templateExists($template)) {
+            return $template;
+        }
+
+        // default to a generic HTML exception
+        $request->setRequestFormat('html');
+
+        return sprintf('@Twig/Exception/%s.html.twig', $showException ? 'exception_full' : $name);
+    }
+
+    // to be removed when the minimum required version of Twig is >= 3.0
+    protected function templateExists($template)
+    {
+        $template = (string) $template;
+
+        $loader = $this->twig->getLoader();
+        if ($loader instanceof ExistsLoaderInterface || method_exists($loader, 'exists')) {
+            return $loader->exists($template);
+        }
+
+        try {
+            $loader->getSourceContext($template)->getCode();
+
+            return true;
+        } catch (LoaderError $e) {
+        }
+
+        return false;
+    }
+}