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typo3/sysext/install/Classes/ViewHelpers/Uri/ActionViewHelper.php

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+<?php
+namespace TYPO3\CMS\Install\ViewHelpers\Uri;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Utility\HttpUtility;
+use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
+
+/**
+ * A ViewHelper for creating URIs to install tool actions.
+ *
+ * = Examples =
+ *
+ * <code title="URI to the show-action of the current controller">
+ * <f:uri.action action="importantActions" />
+ * </code>
+ * <output>
+ * install.php?install[action]=importantActions&amp;install[context]=
+ * </output>
+ * @internal
+ */
+class ActionViewHelper extends AbstractViewHelper
+{
+    use CompileWithRenderStatic;
+
+    /**
+     * Initialize arguments
+     */
+    public function initializeArguments()
+    {
+        $this->registerArgument('action', 'string', 'Target action', '');
+        $this->registerArgument('controller', 'string', 'Target controller.', false, 'maintenance');
+        $this->registerArgument('arguments', 'array', 'Arguments', false, []);
+        $this->registerArgument('section', 'string', 'The anchor to be added to the URI', false, '');
+        $this->registerArgument('additionalParams', 'array', 'additional query parameters that won\'t be prefixed like $arguments (overrule $arguments)', false, []);
+    }
+
+    /**
+     * @param array $arguments
+     * @param \Closure $renderChildrenClosure
+     * @param RenderingContextInterface $renderingContext
+     * @return string
+     */
+    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
+    {
+        $action = $arguments['action'];
+
+        if ($action === 'backend') {
+            return GeneralUtility::getIndpEnv('TYPO3_SITE_URL') . TYPO3_mainDir . 'index.php';
+        }
+        if ($action === 'frontend') {
+            return GeneralUtility::getIndpEnv('TYPO3_SITE_URL') . 'index.php';
+        }
+
+        $section = $arguments['section'];
+        $additionalParams = $arguments['additionalParams'];
+        $controller = $arguments['controller'];
+        $arguments = $arguments['arguments'];
+
+        if (!empty($arguments['action'])) {
+            $arguments['action'] = $action;
+        }
+        $arguments['controller'] = $controller;
+        if (!empty(GeneralUtility::_GET('install')['context'])) {
+            $arguments['context'] = GeneralUtility::_GET('install')['context'];
+        }
+
+        return GeneralUtility::getIndpEnv('TYPO3_REQUEST_SCRIPT')
+            . HttpUtility::buildQueryString(
+                array_merge(
+                    ['install' => $arguments],
+                    $additionalParams
+                ),
+                '?'
+            )
+            . ($section ? '#' . $section : '');
+    }
+}