public function execute(Request $request, WorkingFolder $workingFolder, Config $config, CacheManager $cache) { $fileName = (string) $request->get('fileName'); if (null === $fileName || !File::isValidName($fileName, $config->get('disallowUnsafeCharacters'))) { throw new InvalidRequestException('Invalid file name'); } if (!Image::isSupportedExtension(pathinfo($fileName, PATHINFO_EXTENSION))) { throw new InvalidNameException('Invalid source file name'); } if (!$workingFolder->containsFile($fileName)) { throw new FileNotFoundException(); } $cachePath = Path::combine($workingFolder->getResourceType()->getName(), $workingFolder->getClientCurrentFolder(), $fileName); $imageInfo = array(); $cachedInfo = $cache->get($cachePath); if ($cachedInfo && isset($cachedInfo['width']) && isset($cachedInfo['height'])) { $imageInfo = $cachedInfo; } else { $file = new DownloadedFile($fileName, $this->app); if ($file->isValid()) { $image = Image::create($file->getContents()); $imageInfo = $image->getInfo(); $cache->set($cachePath, $imageInfo); } } return $imageInfo; }
public function execute(Request $request, Config $config, WorkingFolder $workingFolder, ResizedImageRepository $resizedImageRepository, CacheManager $cache) { $fileName = (string) $request->query->get('fileName'); list($requestedWidth, $requestedHeight) = Image::parseSize((string) $request->get('size')); $downloadedFile = new DownloadedFile($fileName, $this->app); $downloadedFile->isValid(); if (!Image::isSupportedExtension(pathinfo($fileName, PATHINFO_EXTENSION), $config->get('thumbnails.bmpSupported'))) { throw new InvalidExtensionException('Unsupported image type or not image file'); } Utils::removeSessionCacheHeaders(); $response = new Response(); $response->setPublic(); $response->setEtag(dechex($downloadedFile->getTimestamp()) . "-" . dechex($downloadedFile->getSize())); $lastModificationDate = new \DateTime(); $lastModificationDate->setTimestamp($downloadedFile->getTimestamp()); $response->setLastModified($lastModificationDate); if ($response->isNotModified($request)) { return $response; } $imagePreviewCacheExpires = (int) $config->get('cache.imagePreview'); if ($imagePreviewCacheExpires > 0) { $response->setMaxAge($imagePreviewCacheExpires); $expireTime = new \DateTime(); $expireTime->modify('+' . $imagePreviewCacheExpires . 'seconds'); $response->setExpires($expireTime); } $cachedInfoPath = Path::combine($workingFolder->getResourceType()->getName(), $workingFolder->getClientCurrentFolder(), $fileName); $cachedInfo = $cache->get($cachedInfoPath); $resultImage = null; // Try to reuse existing resized image if ($cachedInfo && isset($cachedInfo['width']) && isset($cachedInfo['height'])) { // Fix received aspect ratio $size = Image::calculateAspectRatio($requestedWidth, $requestedHeight, $cachedInfo['width'], $cachedInfo['height']); $resizedImage = $resizedImageRepository->getResizedImageBySize($workingFolder->getResourceType(), $workingFolder->getClientCurrentFolder(), $fileName, $size['width'], $size['height']); if ($resizedImage) { $resultImage = Image::create($resizedImage->getImageData()); } } // Fallback - get and resize the original image if (null === $resultImage) { $resultImage = Image::create($downloadedFile->getContents(), $config->get('thumbnails.bmpSupported')); $cache->set($cachedInfoPath, $resultImage->getInfo()); $resultImage->resize($requestedWidth, $requestedHeight); } $mimeType = $resultImage->getMimeType(); if (in_array($mimeType, array('image/bmp', 'image/x-ms-bmp'))) { $mimeType = 'image/jpeg'; // Image::getData() by default converts resized images to JPG } $response->headers->set('Content-Type', $mimeType . '; name="' . $downloadedFile->getFileName() . '"'); $response->setContent($resultImage->getData()); return $response; }
public function execute(Request $request, WorkingFolder $workingFolder, ResizedImageRepository $resizedImageRepository, Config $config, CacheManager $cache) { $fileName = $request->get('fileName'); $sizes = $request->get('sizes'); $ext = pathinfo($fileName, PATHINFO_EXTENSION); if (!Image::isSupportedExtension($ext)) { throw new InvalidRequestException('Invalid file extension'); } if ($sizes) { $sizes = explode(',', $sizes); if (array_diff($sizes, array_keys($config->get('images.sizes')))) { throw new InvalidRequestException(sprintf('Invalid size requested (%s)', $request->get('sizes'))); } } $data = array(); $cachedInfo = $cache->get(Path::combine($workingFolder->getResourceType()->getName(), $workingFolder->getClientCurrentFolder(), $fileName)); if ($cachedInfo && isset($cachedInfo['width']) && isset($cachedInfo['height'])) { $data['originalSize'] = sprintf("%dx%d", $cachedInfo['width'], $cachedInfo['height']); } $resizedImages = $resizedImageRepository->getResizedImagesList($workingFolder->getResourceType(), $workingFolder->getClientCurrentFolder(), $fileName, $sizes ?: array()); $data['resized'] = $resizedImages; return $data; }