TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:20 +02:00
commit c7a46689ff
115 changed files with 11736 additions and 0 deletions
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Fluid\ViewHelpers\Form;
+
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Core\Type\DocType;
+use TYPO3\CMS\Extbase\DomainObject\AbstractDomainObject;
+use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy;
+use TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface;
+use TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
+
+/**
+ * Abstract Form ViewHelper. Bundles functionality related to direct property access of objects in other Form ViewHelpers.
+ *
+ * If you set the "property" attribute to the name of the property to resolve from the object, this class will
+ * automatically set the name and value of a form element.
+ *
+ * Note this set of ViewHelpers is tailored to be used only in extbase context.
+ */
+abstract class AbstractFormViewHelper extends AbstractTagBasedViewHelper
+{
+    protected PersistenceManagerInterface $persistenceManager;
+
+    public function injectPersistenceManager(PersistenceManagerInterface $persistenceManager): void
+    {
+        $this->persistenceManager = $persistenceManager;
+    }
+
+    /**
+     * Prefixes / namespaces the given name with the form field prefix
+     */
+    protected function prefixFieldName(string $fieldName): string
+    {
+        if ($fieldName === '') {
+            return '';
+        }
+        $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();
+        if (!$viewHelperVariableContainer->exists(FormViewHelper::class, 'fieldNamePrefix')) {
+            return $fieldName;
+        }
+        $fieldNamePrefix = (string)$viewHelperVariableContainer->get(FormViewHelper::class, 'fieldNamePrefix');
+        if ($fieldNamePrefix === '') {
+            return $fieldName;
+        }
+        $fieldNameSegments = explode('[', $fieldName, 2);
+        $fieldName = $fieldNamePrefix . '[' . $fieldNameSegments[0] . ']';
+        if (count($fieldNameSegments) > 1) {
+            $fieldName .= '[' . $fieldNameSegments[1];
+        }
+        return $fieldName;
+    }
+
+    /**
+     * Renders a hidden form field containing the technical identity of the given object.
+     *
+     * @param mixed $object Object to create the identity field for. Non-objects are ignored.
+     * @param string|null $name Name
+     * @return string A hidden field containing the Identity (uid) of the given object
+     * @see \TYPO3\CMS\Extbase\Mvc\Controller\Argument::setValue()
+     */
+    protected function renderHiddenIdentityField(mixed $object, ?string $name): string
+    {
+        if ($object instanceof LazyLoadingProxy) {
+            $object = $object->_loadRealInstance();
+        }
+        if (!is_object($object)
+            || !($object instanceof AbstractDomainObject)
+            || ($object->_isNew() && !$object->_isClone())) {
+            return '';
+        }
+        // Intentionally NOT using PersistenceManager::getIdentifierByObject here.
+        // Using that one breaks re-submission of data in forms in case of an error.
+        $identifier = $object->getUid();
+        if ($identifier === null) {
+            return LF . '<!-- Object of type ' . get_class($object) . ' is without identity -->' . LF;
+        }
+        $name = $this->prefixFieldName($name ?? '') . '[__identity]';
+        $this->registerFieldNameForFormTokenGeneration($name);
+
+        $endingSlash = ($this->shouldUseXHtmlSlash() ? '/' : '');
+        return LF . '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars((string)$identifier) . '" ' . $endingSlash . '>' . LF;
+    }
+
+    /**
+     * Register a field name for inclusion in the HMAC / Form Token generation
+     */
+    protected function registerFieldNameForFormTokenGeneration(string $fieldName): void
+    {
+        $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();
+        if ($viewHelperVariableContainer->exists(FormViewHelper::class, 'formFieldNames')) {
+            $formFieldNames = $viewHelperVariableContainer->get(FormViewHelper::class, 'formFieldNames');
+        } else {
+            $formFieldNames = [];
+        }
+        $formFieldNames[] = $fieldName;
+        $viewHelperVariableContainer->addOrUpdate(FormViewHelper::class, 'formFieldNames', $formFieldNames);
+    }
+
+    protected function shouldUseXHtmlSlash(): bool
+    {
+        return DocType::createFromRequest($this->renderingContext->getAttribute(ServerRequestInterface::class))->isXmlCompliant();
+    }
+}