+<?php namespace BookStack\Repos;
+
+
+use BookStack\Image;
+use Illuminate\Contracts\Filesystem\Filesystem as FileSystemInstance;
+use Intervention\Image\ImageManager as ImageTool;
+use Illuminate\Contracts\Filesystem\Factory as FileSystem;
+use Illuminate\Contracts\Cache\Repository as Cache;
+use Setting;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class ImageRepo
+{
+
+ protected $image;
+ protected $imageTool;
+ protected $fileSystem;
+ protected $cache;
+
+ /**
+ * @var FileSystemInstance
+ */
+ protected $storageInstance;
+ protected $storageUrl;
+
+
+ /**
+ * ImageRepo constructor.
+ * @param Image $image
+ * @param ImageTool $imageTool
+ * @param FileSystem $fileSystem
+ * @param Cache $cache
+ */
+ public function __construct(Image $image, ImageTool $imageTool, FileSystem $fileSystem, Cache $cache)
+ {
+ $this->image = $image;
+ $this->imageTool = $imageTool;
+ $this->fileSystem = $fileSystem;
+ $this->cache = $cache;
+ }
+
+
+ /**
+ * Get an image with the given id.
+ * @param $id
+ * @return mixed
+ */
+ public function getById($id)
+ {
+ return $this->image->findOrFail($id);
+ }
+
+
+ /**
+ * Get all images for the standard gallery view that's used for
+ * adding images to shared content such as pages.
+ * @param int $page
+ * @param int $pageSize
+ * @return array
+ */
+ public function getAllGallery($page = 0, $pageSize = 24)
+ {
+ $images = $this->image->where('type', '=', 'gallery')
+ ->orderBy('created_at', 'desc')->skip($pageSize * $page)->take($pageSize + 1)->get();
+ $hasMore = count($images) > $pageSize;
+
+ $returnImages = $images->take(24);
+ $returnImages->each(function ($image) {
+ $this->loadThumbs($image);
+ });
+
+ return [
+ 'images' => $returnImages,
+ 'hasMore' => $hasMore
+ ];
+ }
+
+ /**
+ * Save a new image into storage and return the new image.
+ * @param UploadedFile $uploadFile
+ * @param string $type
+ * @return Image
+ */
+ public function saveNew(UploadedFile $uploadFile, $type)
+ {
+ $storage = $this->getStorage();
+ $secureUploads = Setting::get('app-secure-images');
+ $imageName = str_replace(' ', '-', $uploadFile->getClientOriginalName());
+
+ if ($secureUploads) $imageName = str_random(16) . '-' . $imageName;
+
+ $imagePath = '/uploads/images/' . $type . '/' . Date('Y-m-M') . '/';
+ while ($storage->exists($imagePath . $imageName)) {
+ $imageName = str_random(3) . $imageName;
+ }
+ $fullPath = $imagePath . $imageName;
+
+ $storage->put($fullPath, file_get_contents($uploadFile->getRealPath()));
+
+ $userId = auth()->user()->id;
+ $image = $this->image->forceCreate([
+ 'name' => $imageName,
+ 'path' => $fullPath,
+ 'url' => $this->getPublicUrl($fullPath),
+ 'type' => $type,
+ 'created_by' => $userId,
+ 'updated_by' => $userId
+ ]);
+
+ $this->loadThumbs($image);
+ return $image;
+ }
+
+ /**
+ * Update the details of an image via an array of properties.
+ * @param Image $image
+ * @param array $updateDetails
+ * @return Image
+ */
+ public function updateImageDetails(Image $image, $updateDetails)
+ {
+ $image->fill($updateDetails);
+ $image->save();
+ $this->loadThumbs($image);
+ return $image;
+ }
+
+
+ /**
+ * Destroys an Image object along with its files and thumbnails.
+ * @param Image $image
+ * @return bool
+ */
+ public function destroyImage(Image $image)
+ {
+ $storage = $this->getStorage();
+
+ $imageFolder = dirname($image->path);
+ $imageFileName = basename($image->path);
+ $allImages = collect($storage->allFiles($imageFolder));
+
+ $imagesToDelete = $allImages->filter(function ($imagePath) use ($imageFileName) {
+ $expectedIndex = strlen($imagePath) - strlen($imageFileName);
+ return strpos($imagePath, $imageFileName) === $expectedIndex;
+ });
+
+ $storage->delete($imagesToDelete->all());
+
+ // Cleanup of empty folders
+ foreach ($storage->directories($imageFolder) as $directory) {
+ if ($this->isFolderEmpty($directory)) $storage->deleteDirectory($directory);
+ }
+ if ($this->isFolderEmpty($imageFolder)) $storage->deleteDirectory($imageFolder);
+
+ $image->delete();
+ return true;
+ }
+
+ /**
+ * Check whether or not a folder is empty.
+ * @param $path
+ * @return int
+ */
+ private function isFolderEmpty($path)
+ {
+ $files = $this->getStorage()->files($path);
+ $folders = $this->getStorage()->directories($path);
+ return count($files) === 0 && count($folders) === 0;
+ }
+
+ /**
+ * Load thumbnails onto an image object.
+ * @param Image $image
+ */
+ private function loadThumbs(Image $image)
+ {
+ $image->thumbs = [
+ 'gallery' => $this->getThumbnail($image, 150, 150),
+ 'display' => $this->getThumbnail($image, 840, 0, true)
+ ];
+ }
+
+ /**
+ * Get the thumbnail for an image.
+ * If $keepRatio is true only the width will be used.
+ * Checks the cache then storage to avoid creating / accessing the filesystem on every check.
+ *
+ * @param Image $image
+ * @param int $width
+ * @param int $height
+ * @param bool $keepRatio
+ * @return string
+ */
+ private function getThumbnail(Image $image, $width = 220, $height = 220, $keepRatio = false)
+ {
+ $thumbDirName = '/' . ($keepRatio ? 'scaled-' : 'thumbs-') . $width . '-' . $height . '/';
+ $thumbFilePath = dirname($image->path) . $thumbDirName . basename($image->path);
+
+ if ($this->cache->has('images-' . $image->id . '-' . $thumbFilePath) && $this->cache->get('images-' . $thumbFilePath)) {
+ return $this->getPublicUrl($thumbFilePath);
+ }
+
+ $storage = $this->getStorage();
+
+ if ($storage->exists($thumbFilePath)) {
+ return $this->getPublicUrl($thumbFilePath);
+ }
+
+ // Otherwise create the thumbnail
+ $thumb = $this->imageTool->make($storage->get($image->path));
+ if ($keepRatio) {
+ $thumb->resize($width, null, function ($constraint) {
+ $constraint->aspectRatio();
+ $constraint->upsize();
+ });
+ } else {
+ $thumb->fit($width, $height);
+ }
+
+ $thumbData = (string)$thumb->encode();
+ $storage->put($thumbFilePath, $thumbData);
+ $this->cache->put('images-' . $image->id . '-' . $thumbFilePath, $thumbFilePath, 60 * 72);
+
+ return $this->getPublicUrl($thumbFilePath);
+ }
+
+ /**
+ * Gets a public facing url for an image by checking relevant environment variables.
+ * @param $filePath
+ * @return string
+ */
+ private function getPublicUrl($filePath)
+ {
+ if ($this->storageUrl === null) {
+ $storageUrl = env('STORAGE_URL');
+
+ // Get the standard public s3 url if s3 is set as storage type
+ if ($storageUrl == false && env('STORAGE_TYPE') === 's3') {
+ $storageDetails = config('filesystems.disks.s3');
+ $storageUrl = 'https://s3-' . $storageDetails['region'] . '.amazonaws.com/' . $storageDetails['bucket'] . $filePath;
+ }
+
+ $this->storageUrl = $storageUrl;
+ }
+
+ return ($this->storageUrl == false ? '' : rtrim($this->storageUrl, '/')) . $filePath;
+ }
+
+
+ /**
+ * Get the storage that will be used for storing images.
+ * @return FileSystemInstance
+ */
+ private function getStorage()
+ {
+ if ($this->storageInstance !== null) return $this->storageInstance;
+
+ $storageType = env('STORAGE_TYPE');
+ $this->storageInstance = $this->fileSystem->disk($storageType);
+
+ return $this->storageInstance;
+ }
+
+
+}
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projects / bookstack / commitdiff