TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
1178 changed files with 135377 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\Backend\Controller;
+
+use BaconQrCode\Renderer\Image\SvgImageBackEnd;
+use BaconQrCode\Renderer\ImageRenderer;
+use BaconQrCode\Renderer\RendererStyle\RendererStyle;
+use BaconQrCode\Writer;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use TYPO3\CMS\Backend\Attribute\AsController;
+use TYPO3\CMS\Backend\Backend\QrCodeSize;
+use TYPO3\CMS\Core\Core\Environment;
+use TYPO3\CMS\Core\Imaging\GraphicalFunctions;
+use TYPO3\CMS\Core\Resource\MimeTypeDetector;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * @internal This is a concrete controller implementation and is not part of TYPO3 Core API.
+ */
+#[AsController]
+readonly class QrCodeController
+{
+    public function __construct(
+        protected ResponseFactoryInterface $responseFactory,
+        protected StreamFactoryInterface $streamFactory,
+        protected MimeTypeDetector $mimeTypeDetector,
+        protected GraphicalFunctions $graphicalFunctions,
+    ) {}
+
+    public function getQrCodeAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $content = $request->getQueryParams()['content'] ?? '';
+        if ($content === '') {
+            throw new \InvalidArgumentException('Content of the QR Code cannot be empty', 1762811499);
+        }
+
+        $size = QrCodeSize::tryFrom((string)($request->getQueryParams()['size'] ?? '')) ?? QrCodeSize::MEDIUM;
+        $svg = $this->getQrCodeSvg($content, $size);
+        $response = $this->responseFactory->createResponse();
+
+        return $response
+            ->withHeader('Content-Type', 'image/svg+xml')
+            ->withBody($this->streamFactory->createStream($svg));
+    }
+
+    public function downloadAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $body = $request->getParsedBody();
+        $content = (string)($body['content'] ?? '');
+        if ($content === '') {
+            throw new \InvalidArgumentException('Content of the QR Code cannot be empty', 1762811481);
+        }
+
+        $size = QrCodeSize::tryFrom((string)($body['size'] ?? '')) ?? QrCodeSize::SMALL;
+        $format = (string)($body['format'] ?? 'svg');
+        $svgContent = $this->getQrCodeSvg($content, $size);
+        $path = Environment::getVarPath() . '/transient/';
+        GeneralUtility::mkdir_deep($path);
+
+        $fileName = $path . 'qrcode-' . $size->getSize() . 'px-' . sha1($svgContent);
+        $svgFilePath = $fileName . '.svg';
+
+        if ($format === 'png') {
+            $pixelGraphicFilePath = $fileName . '.png';
+            $this->createSvg($svgFilePath, $svgContent);
+            $filePath = $this->convertTo($svgFilePath, $pixelGraphicFilePath, 'png', $size);
+        } elseif ($format === 'svg') {
+            $filePath = $this->createSvg($svgFilePath, $svgContent);
+        } else {
+            throw new \InvalidArgumentException('The suffix "' . $format . '" is not supported.', 1762718268);
+        }
+
+        return $this->sendFile($filePath, $format);
+    }
+
+    /**
+     * Send file to the browser to download
+     */
+    private function sendFile(string $filePath, string $format = 'svg'): ResponseInterface
+    {
+        $mimeType = $this->mimeTypeDetector->getMimeTypesForFileExtension($format);
+        $response = $this->responseFactory->createResponse();
+        $fileContent = file_get_contents($filePath);
+        $response->getBody()->write($fileContent);
+
+        return $response
+            ->withHeader('Content-Type', $mimeType[0] ?? 'image/svg+xml')
+            ->withHeader('Content-Disposition', 'attachment; filename="' . basename($filePath) . '"')
+            ->withHeader('Content-Length', (string)strlen($fileContent));
+    }
+
+    private function getQrCodeSvg(string $content, QrCodeSize $size = QrCodeSize::MEDIUM): string
+    {
+        $qrCodeRenderer = new ImageRenderer(new RendererStyle($size->getSize(), 2), new SvgImageBackEnd());
+
+        return (new Writer($qrCodeRenderer))->writeString($content);
+    }
+
+    private function createSvg(string $file, string $content): string
+    {
+        if (file_exists($file)) {
+            return $file;
+        }
+
+        if (!GeneralUtility::writeFile($file, $content, true)) {
+            throw new \RuntimeException('Unable to write file ' . $file, 1762718307);
+        }
+
+        return $file;
+    }
+
+    /**
+     * Create a pixel based image file from a given SVG file
+     */
+    private function convertTo(string $sourcePath, string $targetPath, string $format, QrCodeSize $size = QrCodeSize::SMALL): string
+    {
+        if (file_exists($targetPath)) {
+            return $targetPath;
+        }
+
+        $result = $this->graphicalFunctions->resize(
+            $sourcePath,
+            $format,
+            (string)$size->getSize(),
+            (string)$size->getSize(),
+            '',
+            [],
+            true
+        );
+
+        if ($result) {
+            $pngFile = $result->getRealPath();
+            if ($pngFile && is_file($pngFile) && rename($pngFile, $targetPath)) {
+                return $targetPath;
+            }
+        }
+
+        throw new \RuntimeException('Failed create ' . strtoupper($format) . ' ' . $targetPath . ' from SVG ' . $sourcePath . ' file.', 1762718351);
+    }
+}