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Merge pull request #4578 from BookStackApp/upload_handling

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Improvements to file/image upload handling UX
This commit is contained in:
Dan Brown 2023-10-01 17:20:10 +00:00 committed by GitHub
commit 8bba5dd5a0
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29 changed files with 855 additions and 526 deletions
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15
app/Entities/Models/Book.php
View File

@ -40,26 +40,19 @@ class Book extends Entity implements HasCoverImage
/**
* Returns book cover image, if book cover not exists return default cover image.
*
* @param int $width - Width of the image
* @param int $height - Height of the image
*
* @return string
*/
public function getBookCover($width = 440, $height = 250)
public function getBookCover(int $width = 440, int $height = 250): string
{
$default = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';
if (!$this->image_id) {
if (!$this->image_id || !$this->cover) {
return $default;
}
try {
$cover = $this->cover ? url($this->cover->getThumb($width, $height, false)) : $default;
return $this->cover->getThumb($width, $height, false) ?? $default;
} catch (Exception $err) {
$cover = $default;
return $default;
}
return $cover;
}
/**

20
app/Entities/Models/Bookshelf.php
View File

@ -3,6 +3,7 @@
namespace BookStack\Entities\Models;
use BookStack\Uploads\Image;
use Exception;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
@ -49,28 +50,21 @@ class Bookshelf extends Entity implements HasCoverImage
}
/**
* Returns BookShelf cover image, if cover does not exists return default cover image.
*
* @param int $width - Width of the image
* @param int $height - Height of the image
*
* @return string
* Returns shelf cover image, if cover not exists return default cover image.
*/
public function getBookCover($width = 440, $height = 250)
public function getBookCover(int $width = 440, int $height = 250): string
{
// TODO - Make generic, focused on books right now, Perhaps set-up a better image
$default = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';
if (!$this->image_id) {
if (!$this->image_id || !$this->cover) {
return $default;
}
try {
$cover = $this->cover ? url($this->cover->getThumb($width, $height, false)) : $default;
} catch (\Exception $err) {
$cover = $default;
return $this->cover->getThumb($width, $height, false) ?? $default;
} catch (Exception $err) {
return $default;
}
return $cover;
}
/**

2
app/Entities/Tools/ExportFormatter.php
View File

@ -222,7 +222,7 @@ class ExportFormatter
foreach ($imageTagsOutput[0] as $index => $imgMatch) {
$oldImgTagString = $imgMatch;
$srcString = $imageTagsOutput[2][$index];
$imageEncoded = $this->imageService->imageUriToBase64($srcString);
$imageEncoded = $this->imageService->imageUrlToBase64($srcString);
if ($imageEncoded === null) {
$imageEncoded = $srcString;
}

42
app/Exceptions/Handler.php
View File

@ -6,9 +6,11 @@ use Exception;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\Exceptions\PostTooLargeException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Symfony\Component\ErrorHandler\Error\FatalError;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
use Throwable;
@ -35,6 +37,15 @@ class Handler extends ExceptionHandler
'password_confirmation',
];
/**
* A function to run upon out of memory.
* If it returns a response, that will be provided back to the request
* upon an out of memory event.
*
* @var ?callable<?\Illuminate\Http\Response>
*/
protected $onOutOfMemory = null;
/**
* Report or log an exception.
*
@ -59,6 +70,17 @@ class Handler extends ExceptionHandler
*/
public function render($request, Throwable $e)
{
if ($e instanceof FatalError && str_contains($e->getMessage(), 'bytes exhausted (tried to allocate') && $this->onOutOfMemory) {
$response = call_user_func($this->onOutOfMemory);
if ($response) {
return $response;
}
}
if ($e instanceof PostTooLargeException) {
$e = new NotifyException(trans('errors.server_post_limit'), '/', 413);
}
if ($this->isApiRequest($request)) {
return $this->renderApiException($e);
}
@ -66,12 +88,30 @@ class Handler extends ExceptionHandler
return parent::render($request, $e);
}
/**
* Provide a function to be called when an out of memory event occurs.
* If the callable returns a response, this response will be returned
* to the request upon error.
*/
public function prepareForOutOfMemory(callable $onOutOfMemory)
{
$this->onOutOfMemory = $onOutOfMemory;
}
/**
* Forget the current out of memory handler, if existing.
*/
public function forgetOutOfMemoryHandler()
{
$this->onOutOfMemory = null;
}
/**
* Check if the given request is an API request.
*/
protected function isApiRequest(Request $request): bool
{
return strpos($request->path(), 'api/') === 0;
return str_starts_with($request->path(), 'api/');
}
/**

27
app/Uploads/Controllers/DrawioImageController.php
View File

@ -5,23 +5,23 @@ namespace BookStack\Uploads\Controllers;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Http\Controller;
use BookStack\Uploads\ImageRepo;
use BookStack\Uploads\ImageResizer;
use BookStack\Util\OutOfMemoryHandler;
use Exception;
use Illuminate\Http\Request;
class DrawioImageController extends Controller
{
protected $imageRepo;
public function __construct(ImageRepo $imageRepo)
{
$this->imageRepo = $imageRepo;
public function __construct(
protected ImageRepo $imageRepo
) {
}
/**
* Get a list of gallery images, in a list.
* Can be paged and filtered by entity.
*/
public function list(Request $request)
public function list(Request $request, ImageResizer $resizer)
{
$page = $request->get('page', 1);
$searchTerm = $request->get('search', null);
@ -29,11 +29,20 @@ class DrawioImageController extends Controller
$parentTypeFilter = $request->get('filter_type', null);
$imgData = $this->imageRepo->getEntityFiltered('drawio', $parentTypeFilter, $page, 24, $uploadedToFilter, $searchTerm);
return view('pages.parts.image-manager-list', [
$viewData = [
'warning' => '',
'images' => $imgData['images'],
'hasMore' => $imgData['has_more'],
]);
];
new OutOfMemoryHandler(function () use ($viewData) {
$viewData['warning'] = trans('errors.image_gallery_thumbnail_memory_limit');
return response()->view('pages.parts.image-manager-list', $viewData, 200);
});
$resizer->loadGalleryThumbnailsForMany($imgData['images']);
return view('pages.parts.image-manager-list', $viewData);
}
/**

25
app/Uploads/Controllers/GalleryImageController.php
View File

@ -5,7 +5,11 @@ namespace BookStack\Uploads\Controllers;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Http\Controller;
use BookStack\Uploads\ImageRepo;
use BookStack\Uploads\ImageResizer;
use BookStack\Util\OutOfMemoryHandler;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Log;
use Illuminate\Validation\ValidationException;
class GalleryImageController extends Controller
@ -19,7 +23,7 @@ class GalleryImageController extends Controller
* Get a list of gallery images, in a list.
* Can be paged and filtered by entity.
*/
public function list(Request $request)
public function list(Request $request, ImageResizer $resizer)
{
$page = $request->get('page', 1);
$searchTerm = $request->get('search', null);
@ -27,11 +31,20 @@ class GalleryImageController extends Controller
$parentTypeFilter = $request->get('filter_type', null);
$imgData = $this->imageRepo->getEntityFiltered('gallery', $parentTypeFilter, $page, 30, $uploadedToFilter, $searchTerm);
return view('pages.parts.image-manager-list', [
$viewData = [
'warning' => '',
'images' => $imgData['images'],
'hasMore' => $imgData['has_more'],
]);
];
new OutOfMemoryHandler(function () use ($viewData) {
$viewData['warning'] = trans('errors.image_gallery_thumbnail_memory_limit');
return response()->view('pages.parts.image-manager-list', $viewData, 200);
});
$resizer->loadGalleryThumbnailsForMany($imgData['images']);
return view('pages.parts.image-manager-list', $viewData);
}
/**
@ -51,6 +64,10 @@ class GalleryImageController extends Controller
return $this->jsonError(implode("\n", $exception->errors()['file']));
}
new OutOfMemoryHandler(function () {
return $this->jsonError(trans('errors.image_upload_memory_limit'));
});
try {
$imageUpload = $request->file('file');
$uploadedTo = $request->get('uploaded_to', 0);

59
app/Uploads/Controllers/ImageController.php
View File

@ -4,19 +4,22 @@ namespace BookStack\Uploads\Controllers;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Exceptions\NotFoundException;
use BookStack\Exceptions\NotifyException;
use BookStack\Http\Controller;
use BookStack\Uploads\Image;
use BookStack\Uploads\ImageRepo;
use BookStack\Uploads\ImageResizer;
use BookStack\Uploads\ImageService;
use BookStack\Util\OutOfMemoryHandler;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
class ImageController extends Controller
{
public function __construct(
protected ImageRepo $imageRepo,
protected ImageService $imageService
protected ImageService $imageService,
protected ImageResizer $imageResizer,
) {
}
@ -38,13 +41,10 @@ class ImageController extends Controller
/**
* Update image details.
*
* @throws ImageUploadException
* @throws ValidationException
*/
public function update(Request $request, string $id)
{
$this->validate($request, [
$data = $this->validate($request, [
'name' => ['required', 'min:2', 'string'],
]);
@ -52,9 +52,7 @@ class ImageController extends Controller
$this->checkImagePermission($image);
$this->checkOwnablePermission('image-update', $image);
$image = $this->imageRepo->updateImageDetails($image, $request->all());
$this->imageRepo->loadThumbs($image);
$image = $this->imageRepo->updateImageDetails($image, $data);
return view('pages.parts.image-manager-form', [
'image' => $image,
@ -76,6 +74,10 @@ class ImageController extends Controller
$this->checkOwnablePermission('image-update', $image);
$file = $request->file('file');
new OutOfMemoryHandler(function () {
return $this->jsonError(trans('errors.image_upload_memory_limit'));
});
try {
$this->imageRepo->updateImageFile($image, $file);
} catch (ImageUploadException $exception) {
@ -99,12 +101,20 @@ class ImageController extends Controller
$dependantPages = $this->imageRepo->getPagesUsingImage($image);
}
$this->imageRepo->loadThumbs($image);
return view('pages.parts.image-manager-form', [
$viewData = [
'image' => $image,
'dependantPages' => $dependantPages ?? null,
]);
'warning' => '',
];
new OutOfMemoryHandler(function () use ($viewData) {
$viewData['warning'] = trans('errors.image_thumbnail_memory_limit');
return response()->view('pages.parts.image-manager-form', $viewData);
});
$this->imageResizer->loadGalleryThumbnailsForImage($image, false);
return view('pages.parts.image-manager-form', $viewData);
}
/**
@ -124,9 +134,28 @@ class ImageController extends Controller
}
/**
* Check related page permission and ensure type is drawio or gallery.
* Rebuild the thumbnails for the given image.
*/
protected function checkImagePermission(Image $image)
public function rebuildThumbnails(string $id)
{
$image = $this->imageRepo->getById($id);
$this->checkImagePermission($image);
$this->checkOwnablePermission('image-update', $image);
new OutOfMemoryHandler(function () {
return $this->jsonError(trans('errors.image_thumbnail_memory_limit'));
});
$this->imageResizer->loadGalleryThumbnailsForImage($image, true);
return response(trans('components.image_rebuild_thumbs_success'));
}
/**
* Check related page permission and ensure type is drawio or gallery.
* @throws NotifyException
*/
protected function checkImagePermission(Image $image): void
{
if ($image->type !== 'drawio' && $image->type !== 'gallery') {
$this->showPermissionError();

7
app/Uploads/Controllers/ImageGalleryApiController.php
View File

@ -6,6 +6,7 @@ use BookStack\Entities\Models\Page;
use BookStack\Http\ApiController;
use BookStack\Uploads\Image;
use BookStack\Uploads\ImageRepo;
use BookStack\Uploads\ImageResizer;
use Illuminate\Http\Request;
class ImageGalleryApiController extends ApiController
@ -15,7 +16,8 @@ class ImageGalleryApiController extends ApiController
];
public function __construct(
protected ImageRepo $imageRepo
protected ImageRepo $imageRepo,
protected ImageResizer $imageResizer,
) {
}
@ -130,7 +132,7 @@ class ImageGalleryApiController extends ApiController
*/
protected function formatForSingleResponse(Image $image): array
{
$this->imageRepo->loadThumbs($image);
$this->imageResizer->loadGalleryThumbnailsForImage($image, false);
$data = $image->toArray();
$data['created_by'] = $image->createdBy;
$data['updated_by'] = $image->updatedBy;
@ -138,6 +140,7 @@ class ImageGalleryApiController extends ApiController
$escapedUrl = htmlentities($image->url);
$escapedName = htmlentities($image->name);
if ($image->type === 'drawio') {
$data['content']['html'] = "<div drawio-diagram=\"{$image->id}\"><img src=\"{$escapedUrl}\"></div>";
$data['content']['markdown'] = $data['content']['html'];

7
app/Uploads/Image.php
View File

@ -45,13 +45,14 @@ class Image extends Model
}
/**
* Get a thumbnail for this image.
* Get a thumbnail URL for this image.
* Attempts to generate the thumbnail if not already existing.
*
* @throws \Exception
*/
public function getThumb(?int $width, ?int $height, bool $keepRatio = false): string
public function getThumb(?int $width, ?int $height, bool $keepRatio = false): ?string
{
return app()->make(ImageService::class)->getThumbnail($this, $width, $height, $keepRatio);
return app()->make(ImageResizer::class)->resizeToThumbnailUrl($this, $width, $height, $keepRatio, false);
}
/**

49
app/Uploads/ImageRepo.php
View File

@ -13,7 +13,8 @@ class ImageRepo
{
public function __construct(
protected ImageService $imageService,
protected PermissionApplicator $permissions
protected PermissionApplicator $permissions,
protected ImageResizer $imageResizer,
) {
}
@ -29,19 +30,13 @@ class ImageRepo
* Execute a paginated query, returning in a standard format.
* Also runs the query through the restriction system.
*/
private function returnPaginated($query, $page = 1, $pageSize = 24): array
protected function returnPaginated(Builder $query, int $page = 1, int $pageSize = 24): array
{
$images = $query->orderBy('created_at', 'desc')->skip($pageSize * ($page - 1))->take($pageSize + 1)->get();
$hasMore = count($images) > $pageSize;
$returnImages = $images->take($pageSize);
$returnImages->each(function (Image $image) {
$this->loadThumbs($image);
});
return [
'images' => $returnImages,
'has_more' => $hasMore,
'images' => $images->take($pageSize),
'has_more' => count($images) > $pageSize,
];
}
@ -119,7 +114,7 @@ class ImageRepo
$image = $this->imageService->saveNewFromUpload($uploadFile, $type, $uploadedTo, $resizeWidth, $resizeHeight, $keepRatio);
if ($type !== 'system') {
$this->loadThumbs($image);
$this->imageResizer->loadGalleryThumbnailsForImage($image, true);
}
return $image;
@ -133,7 +128,7 @@ class ImageRepo
public function saveNewFromData(string $imageName, string $imageData, string $type, int $uploadedTo = 0): Image
{
$image = $this->imageService->saveNew($imageName, $imageData, $type, $uploadedTo);
$this->loadThumbs($image);
$this->imageResizer->loadGalleryThumbnailsForImage($image, true);
return $image;
}
@ -160,7 +155,7 @@ class ImageRepo
$image->fill($updateDetails);
$image->updated_by = user()->id;
$image->save();
$this->loadThumbs($image);
$this->imageResizer->loadGalleryThumbnailsForImage($image, false);
return $image;
}
@ -179,8 +174,9 @@ class ImageRepo
$image->updated_by = user()->id;
$image->touch();
$image->save();
$this->imageService->replaceExistingFromUpload($image->path, $image->type, $file);
$this->loadThumbs($image, true);
$this->imageResizer->loadGalleryThumbnailsForImage($image, true);
}
/**
@ -212,31 +208,6 @@ class ImageRepo
}
}
/**
* Load thumbnails onto an image object.
*/
public function loadThumbs(Image $image, bool $forceCreate = false): void
{
$image->setAttribute('thumbs', [
'gallery' => $this->getThumbnail($image, 150, 150, false, $forceCreate),
'display' => $this->getThumbnail($image, 1680, null, true, $forceCreate),
]);
}
/**
* 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.
*/
protected function getThumbnail(Image $image, ?int $width, ?int $height, bool $keepRatio, bool $forceCreate): ?string
{
try {
return $this->imageService->getThumbnail($image, $width, $height, $keepRatio, $forceCreate);
} catch (Exception $exception) {
return null;
}
}
/**
* Get the raw image data from an Image.
*/

206
app/Uploads/ImageResizer.php Normal file
View File

@ -0,0 +1,206 @@
<?php
namespace BookStack\Uploads;
use BookStack\Exceptions\ImageUploadException;
use Exception;
use GuzzleHttp\Psr7\Utils;
use Illuminate\Support\Facades\Cache;
use Intervention\Image\Image as InterventionImage;
use Intervention\Image\ImageManager;
class ImageResizer
{
protected const THUMBNAIL_CACHE_TIME = 604_800; // 1 week
public function __construct(
protected ImageManager $intervention,
protected ImageStorage $storage,
) {
}
/**
* Load gallery thumbnails for a set of images.
* @param iterable<Image> $images
*/
public function loadGalleryThumbnailsForMany(iterable $images, bool $shouldCreate = false): void
{
foreach ($images as $image) {
$this->loadGalleryThumbnailsForImage($image, $shouldCreate);
}
}
/**
* Load gallery thumbnails into the given image instance.
*/
public function loadGalleryThumbnailsForImage(Image $image, bool $shouldCreate): void
{
$thumbs = ['gallery' => null, 'display' => null];
try {
$thumbs['gallery'] = $this->resizeToThumbnailUrl($image, 150, 150, false, $shouldCreate);
$thumbs['display'] = $this->resizeToThumbnailUrl($image, 1680, null, true, $shouldCreate);
} catch (Exception $exception) {
// Prevent thumbnail errors from stopping execution
}
$image->setAttribute('thumbs', $thumbs);
}
/**
* 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.
*
* @throws Exception
*/
public function resizeToThumbnailUrl(
Image $image,
?int $width,
?int $height,
bool $keepRatio = false,
bool $shouldCreate = false
): ?string {
// Do not resize GIF images where we're not cropping
if ($keepRatio && $this->isGif($image)) {
return $this->storage->getPublicUrl($image->path);
}
$thumbDirName = '/' . ($keepRatio ? 'scaled-' : 'thumbs-') . $width . '-' . $height . '/';
$imagePath = $image->path;
$thumbFilePath = dirname($imagePath) . $thumbDirName . basename($imagePath);
$thumbCacheKey = 'images::' . $image->id . '::' . $thumbFilePath;
// Return path if in cache
$cachedThumbPath = Cache::get($thumbCacheKey);
if ($cachedThumbPath && !$shouldCreate) {
return $this->storage->getPublicUrl($cachedThumbPath);
}
// If thumbnail has already been generated, serve that and cache path
$disk = $this->storage->getDisk($image->type);
if (!$shouldCreate && $disk->exists($thumbFilePath)) {
Cache::put($thumbCacheKey, $thumbFilePath, static::THUMBNAIL_CACHE_TIME);
return $this->storage->getPublicUrl($thumbFilePath);
}
$imageData = $disk->get($imagePath);
// Do not resize apng images where we're not cropping
if ($keepRatio && $this->isApngData($image, $imageData)) {
Cache::put($thumbCacheKey, $image->path, static::THUMBNAIL_CACHE_TIME);
return $this->storage->getPublicUrl($image->path);
}
// If not in cache and thumbnail does not exist, generate thumb and cache path
$thumbData = $this->resizeImageData($imageData, $width, $height, $keepRatio);
$disk->put($thumbFilePath, $thumbData, true);
Cache::put($thumbCacheKey, $thumbFilePath, static::THUMBNAIL_CACHE_TIME);
return $this->storage->getPublicUrl($thumbFilePath);
}
/**
* Resize the image of given data to the specified size, and return the new image data.
*
* @throws ImageUploadException
*/
public function resizeImageData(string $imageData, ?int $width, ?int $height, bool $keepRatio): string
{
try {
$thumb = $this->intervention->make($imageData);
} catch (Exception $e) {
throw new ImageUploadException(trans('errors.cannot_create_thumbs'));
}
$this->orientImageToOriginalExif($thumb, $imageData);
if ($keepRatio) {
$thumb->resize($width, $height, function ($constraint) {
$constraint->aspectRatio();
$constraint->upsize();
});
} else {
$thumb->fit($width, $height);
}
$thumbData = (string) $thumb->encode();
// Use original image data if we're keeping the ratio
// and the resizing does not save any space.
if ($keepRatio && strlen($thumbData) > strlen($imageData)) {
return $imageData;
}
return $thumbData;
}
/**
* Orientate the given intervention image based upon the given original image data.
* Intervention does have an `orientate` method but the exif data it needs is lost before it
* can be used (At least when created using binary string data) so we need to do some
* implementation on our side to use the original image data.
* Bulk of logic taken from: https://github.com/Intervention/image/blob/b734a4988b2148e7d10364b0609978a88d277536/src/Intervention/Image/Commands/OrientateCommand.php
* Copyright (c) Oliver Vogel, MIT License.
*/
protected function orientImageToOriginalExif(InterventionImage $image, string $originalData): void
{
if (!extension_loaded('exif')) {
return;
}
$stream = Utils::streamFor($originalData)->detach();
$exif = @exif_read_data($stream);
$orientation = $exif ? ($exif['Orientation'] ?? null) : null;
switch ($orientation) {
case 2:
$image->flip();
break;
case 3:
$image->rotate(180);
break;
case 4:
$image->rotate(180)->flip();
break;
case 5:
$image->rotate(270)->flip();
break;
case 6:
$image->rotate(270);
break;
case 7:
$image->rotate(90)->flip();
break;
case 8:
$image->rotate(90);
break;
}
}
/**
* Checks if the image is a gif. Returns true if it is, else false.
*/
protected function isGif(Image $image): bool
{
return strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'gif';
}
/**
* Check if the given image and image data is apng.
*/
protected function isApngData(Image $image, string &$imageData): bool
{
$isPng = strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'png';
if (!$isPng) {
return false;
}
$initialHeader = substr($imageData, 0, strpos($imageData, 'IDAT'));
return str_contains($initialHeader, 'acTL');
}
}

454
app/Uploads/ImageService.php
View File

@ -6,109 +6,27 @@ use BookStack\Entities\Models\Book;
use BookStack\Entities\Models\Bookshelf;
use BookStack\Entities\Models\Page;
use BookStack\Exceptions\ImageUploadException;
use ErrorException;
use Exception;
use GuzzleHttp\Psr7\Utils;
use Illuminate\Contracts\Cache\Repository as Cache;
use Illuminate\Contracts\Filesystem\FileNotFoundException;
use Illuminate\Contracts\Filesystem\Filesystem as Storage;
use Illuminate\Filesystem\FilesystemAdapter;
use Illuminate\Filesystem\FilesystemManager;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;
use Intervention\Image\Exception\NotSupportedException;
use Intervention\Image\Image as InterventionImage;
use Intervention\Image\ImageManager;
use League\Flysystem\WhitespacePathNormalizer;
use Psr\SimpleCache\InvalidArgumentException;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\StreamedResponse;
class ImageService
{
protected ImageManager $imageTool;
protected Cache $cache;
protected FilesystemManager $fileSystem;
protected static array $supportedExtensions = ['jpg', 'jpeg', 'png', 'gif', 'webp'];
public function __construct(ImageManager $imageTool, FilesystemManager $fileSystem, Cache $cache)
{
$this->imageTool = $imageTool;
$this->fileSystem = $fileSystem;
$this->cache = $cache;
}
/**
* Get the storage that will be used for storing images.
*/
protected function getStorageDisk(string $imageType = ''): Storage
{
return $this->fileSystem->disk($this->getStorageDiskName($imageType));
}
/**
* Check if local secure image storage (Fetched behind authentication)
* is currently active in the instance.
*/
protected function usingSecureImages(string $imageType = 'gallery'): bool
{
return $this->getStorageDiskName($imageType) === 'local_secure_images';
}
/**
* Check if "local secure restricted" (Fetched behind auth, with permissions enforced)
* is currently active in the instance.
*/
protected function usingSecureRestrictedImages()
{
return config('filesystems.images') === 'local_secure_restricted';
}
/**
* Change the originally provided path to fit any disk-specific requirements.
* This also ensures the path is kept to the expected root folders.
*/
protected function adjustPathForStorageDisk(string $path, string $imageType = ''): string
{
$path = (new WhitespacePathNormalizer())->normalizePath(str_replace('uploads/images/', '', $path));
if ($this->usingSecureImages($imageType)) {
return $path;
}
return 'uploads/images/' . $path;
}
/**
* Get the name of the storage disk to use.
*/
protected function getStorageDiskName(string $imageType): string
{
$storageType = config('filesystems.images');
$localSecureInUse = ($storageType === 'local_secure' || $storageType === 'local_secure_restricted');
// Ensure system images (App logo) are uploaded to a public space
if ($imageType === 'system' && $localSecureInUse) {
return 'local';
}
// Rename local_secure options to get our image specific storage driver which
// is scoped to the relevant image directories.
if ($localSecureInUse) {
return 'local_secure_images';
}
return $storageType;
public function __construct(
protected ImageStorage $storage,
protected ImageResizer $resizer,
) {
}
/**
* Saves a new image from an upload.
*
* @throws ImageUploadException
*
* @return mixed
*/
public function saveNewFromUpload(
UploadedFile $uploadedFile,
@ -117,12 +35,12 @@ class ImageService
int $resizeWidth = null,
int $resizeHeight = null,
bool $keepRatio = true
) {
): Image {
$imageName = $uploadedFile->getClientOriginalName();
$imageData = file_get_contents($uploadedFile->getRealPath());
if ($resizeWidth !== null || $resizeHeight !== null) {
$imageData = $this->resizeImage($imageData, $resizeWidth, $resizeHeight, $keepRatio);
$imageData = $this->resizer->resizeImageData($imageData, $resizeWidth, $resizeHeight, $keepRatio);
}
return $this->saveNew($imageName, $imageData, $type, $uploadedTo);
@ -151,13 +69,13 @@ class ImageService
*/
public function saveNew(string $imageName, string $imageData, string $type, int $uploadedTo = 0): Image
{
$storage = $this->getStorageDisk($type);
$disk = $this->storage->getDisk($type);
$secureUploads = setting('app-secure-images');
$fileName = $this->cleanImageFileName($imageName);
$fileName = $this->storage->cleanImageFileName($imageName);
$imagePath = '/uploads/images/' . $type . '/' . date('Y-m') . '/';
while ($storage->exists($this->adjustPathForStorageDisk($imagePath . $fileName, $type))) {
while ($disk->exists($imagePath . $fileName)) {
$fileName = Str::random(3) . $fileName;
}
@ -167,7 +85,7 @@ class ImageService
}
try {
$this->saveImageDataInPublicSpace($storage, $this->adjustPathForStorageDisk($fullPath, $type), $imageData);
$disk->put($fullPath, $imageData, true);
} catch (Exception $e) {
Log::error('Error when attempting image upload:' . $e->getMessage());
@ -177,7 +95,7 @@ class ImageService
$imageDetails = [
'name' => $imageName,
'path' => $fullPath,
'url' => $this->getPublicUrl($fullPath),
'url' => $this->storage->getPublicUrl($fullPath),
'type' => $type,
'uploaded_to' => $uploadedTo,
];
@ -194,214 +112,26 @@ class ImageService
return $image;
}
/**
* Replace an existing image file in the system using the given file.
*/
public function replaceExistingFromUpload(string $path, string $type, UploadedFile $file): void
{
$imageData = file_get_contents($file->getRealPath());
$storage = $this->getStorageDisk($type);
$adjustedPath = $this->adjustPathForStorageDisk($path, $type);
$storage->put($adjustedPath, $imageData);
}
/**
* Save image data for the given path in the public space, if possible,
* for the provided storage mechanism.
*/
protected function saveImageDataInPublicSpace(Storage $storage, string $path, string $data)
{
$storage->put($path, $data);
// Set visibility when a non-AWS-s3, s3-like storage option is in use.
// Done since this call can break s3-like services but desired for other image stores.
// Attempting to set ACL during above put request requires different permissions
// hence would technically be a breaking change for actual s3 usage.
$usingS3 = strtolower(config('filesystems.images')) === 's3';
$usingS3Like = $usingS3 && !is_null(config('filesystems.disks.s3.endpoint'));
if (!$usingS3Like) {
$storage->setVisibility($path, 'public');
}
}
/**
* Clean up an image file name to be both URL and storage safe.
*/
protected function cleanImageFileName(string $name): string
{
$name = str_replace(' ', '-', $name);
$nameParts = explode('.', $name);
$extension = array_pop($nameParts);
$name = implode('-', $nameParts);
$name = Str::slug($name);
if (strlen($name) === 0) {
$name = Str::random(10);
}
return $name . '.' . $extension;
}
/**
* Checks if the image is a gif. Returns true if it is, else false.
*/
protected function isGif(Image $image): bool
{
return strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'gif';
}
/**
* Check if the given image and image data is apng.
*/
protected function isApngData(Image $image, string &$imageData): bool
{
$isPng = strtolower(pathinfo($image->path, PATHINFO_EXTENSION)) === 'png';
if (!$isPng) {
return false;
}
$initialHeader = substr($imageData, 0, strpos($imageData, 'IDAT'));
return strpos($initialHeader, 'acTL') !== false;
}
/**
* 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.
*
* @throws Exception
* @throws InvalidArgumentException
*/
public function getThumbnail(Image $image, ?int $width, ?int $height, bool $keepRatio = false, bool $forceCreate = false): string
{
// Do not resize GIF images where we're not cropping
if ($keepRatio && $this->isGif($image)) {
return $this->getPublicUrl($image->path);
}
$thumbDirName = '/' . ($keepRatio ? 'scaled-' : 'thumbs-') . $width . '-' . $height . '/';
$imagePath = $image->path;
$thumbFilePath = dirname($imagePath) . $thumbDirName . basename($imagePath);
$thumbCacheKey = 'images::' . $image->id . '::' . $thumbFilePath;
// Return path if in cache
$cachedThumbPath = $this->cache->get($thumbCacheKey);
if ($cachedThumbPath && !$forceCreate) {
return $this->getPublicUrl($cachedThumbPath);
}
// If thumbnail has already been generated, serve that and cache path
$storage = $this->getStorageDisk($image->type);
if (!$forceCreate && $storage->exists($this->adjustPathForStorageDisk($thumbFilePath, $image->type))) {
$this->cache->put($thumbCacheKey, $thumbFilePath, 60 * 60 * 72);
return $this->getPublicUrl($thumbFilePath);
}
$imageData = $storage->get($this->adjustPathForStorageDisk($imagePath, $image->type));
// Do not resize apng images where we're not cropping
if ($keepRatio && $this->isApngData($image, $imageData)) {
$this->cache->put($thumbCacheKey, $image->path, 60 * 60 * 72);
return $this->getPublicUrl($image->path);
}
// If not in cache and thumbnail does not exist, generate thumb and cache path
$thumbData = $this->resizeImage($imageData, $width, $height, $keepRatio);
$this->saveImageDataInPublicSpace($storage, $this->adjustPathForStorageDisk($thumbFilePath, $image->type), $thumbData);
$this->cache->put($thumbCacheKey, $thumbFilePath, 60 * 60 * 72);
return $this->getPublicUrl($thumbFilePath);
}
/**
* Resize the image of given data to the specified size, and return the new image data.
*
* @throws ImageUploadException
*/
protected function resizeImage(string $imageData, ?int $width, ?int $height, bool $keepRatio): string
{
try {
$thumb = $this->imageTool->make($imageData);
} catch (ErrorException | NotSupportedException $e) {
throw new ImageUploadException(trans('errors.cannot_create_thumbs'));
}
$this->orientImageToOriginalExif($thumb, $imageData);
if ($keepRatio) {
$thumb->resize($width, $height, function ($constraint) {
$constraint->aspectRatio();
$constraint->upsize();
});
} else {
$thumb->fit($width, $height);
}
$thumbData = (string) $thumb->encode();
// Use original image data if we're keeping the ratio
// and the resizing does not save any space.
if ($keepRatio && strlen($thumbData) > strlen($imageData)) {
return $imageData;
}
return $thumbData;
}
/**
* Orientate the given intervention image based upon the given original image data.
* Intervention does have an `orientate` method but the exif data it needs is lost before it
* can be used (At least when created using binary string data) so we need to do some
* implementation on our side to use the original image data.
* Bulk of logic taken from: https://github.com/Intervention/image/blob/b734a4988b2148e7d10364b0609978a88d277536/src/Intervention/Image/Commands/OrientateCommand.php
* Copyright (c) Oliver Vogel, MIT License.
*/
protected function orientImageToOriginalExif(InterventionImage $image, string $originalData): void
{
if (!extension_loaded('exif')) {
return;
}
$stream = Utils::streamFor($originalData)->detach();
$exif = @exif_read_data($stream);
$orientation = $exif ? ($exif['Orientation'] ?? null) : null;
switch ($orientation) {
case 2:
$image->flip();
break;
case 3:
$image->rotate(180);
break;
case 4:
$image->rotate(180)->flip();
break;
case 5:
$image->rotate(270)->flip();
break;
case 6:
$image->rotate(270);
break;
case 7:
$image->rotate(90)->flip();
break;
case 8:
$image->rotate(90);
break;
}
$disk = $this->storage->getDisk($type);
$disk->put($path, $imageData);
}
/**
* Get the raw data content from an image.
*
* @throws FileNotFoundException
* @throws Exception
*/
public function getImageData(Image $image): string
{
$storage = $this->getStorageDisk();
$disk = $this->storage->getDisk();
return $storage->get($this->adjustPathForStorageDisk($image->path, $image->type));
return $disk->get($image->path);
}
/**
@ -409,53 +139,13 @@ class ImageService
*
* @throws Exception
*/
public function destroy(Image $image)
public function destroy(Image $image): void
{
$this->destroyImagesFromPath($image->path, $image->type);
$disk = $this->storage->getDisk($image->type);
$disk->destroyAllMatchingNameFromPath($image->path);
$image->delete();
}
/**
* Destroys an image at the given path.
* Searches for image thumbnails in addition to main provided path.
*/
protected function destroyImagesFromPath(string $path, string $imageType): bool
{
$path = $this->adjustPathForStorageDisk($path, $imageType);
$storage = $this->getStorageDisk($imageType);
$imageFolder = dirname($path);
$imageFileName = basename($path);
$allImages = collect($storage->allFiles($imageFolder));
// Delete image files
$imagesToDelete = $allImages->filter(function ($imagePath) use ($imageFileName) {
return basename($imagePath) === $imageFileName;
});
$storage->delete($imagesToDelete->all());
// Cleanup of empty folders
$foldersInvolved = array_merge([$imageFolder], $storage->directories($imageFolder));
foreach ($foldersInvolved as $directory) {
if ($this->isFolderEmpty($storage, $directory)) {
$storage->deleteDirectory($directory);
}
}
return true;
}
/**
* Check whether a folder is empty.
*/
protected function isFolderEmpty(Storage $storage, string $path): bool
{
$files = $storage->files($path);
$folders = $storage->directories($path);
return count($files) === 0 && count($folders) === 0;
}
/**
* Delete gallery and drawings that are not within HTML content of pages or page revisions.
* Checks based off of only the image name.
@ -463,7 +153,7 @@ class ImageService
*
* Returns the path of the images that would be/have been deleted.
*/
public function deleteUnusedImages(bool $checkRevisions = true, bool $dryRun = true)
public function deleteUnusedImages(bool $checkRevisions = true, bool $dryRun = true): array
{
$types = ['gallery', 'drawio'];
$deletedPaths = [];
@ -499,36 +189,32 @@ class ImageService
* Attempts to convert the URL to a system storage url then
* fetch the data from the disk or storage location.
* Returns null if the image data cannot be fetched from storage.
*
* @throws FileNotFoundException
*/
public function imageUriToBase64(string $uri): ?string
public function imageUrlToBase64(string $url): ?string
{
$storagePath = $this->imageUrlToStoragePath($uri);
if (empty($uri) || is_null($storagePath)) {
$storagePath = $this->storage->urlToPath($url);
if (empty($url) || is_null($storagePath)) {
return null;
}
$storagePath = $this->adjustPathForStorageDisk($storagePath);
// Apply access control when local_secure_restricted images are active
if ($this->usingSecureRestrictedImages()) {
if ($this->storage->usingSecureRestrictedImages()) {
if (!$this->checkUserHasAccessToRelationOfImageAtPath($storagePath)) {
return null;
}
}
$storage = $this->getStorageDisk();
$disk = $this->storage->getDisk();
$imageData = null;
if ($storage->exists($storagePath)) {
$imageData = $storage->get($storagePath);
if ($disk->exists($storagePath)) {
$imageData = $disk->get($storagePath);
}
if (is_null($imageData)) {
return null;
}
$extension = pathinfo($uri, PATHINFO_EXTENSION);
$extension = pathinfo($url, PATHINFO_EXTENSION);
if ($extension === 'svg') {
$extension = 'svg+xml';
}
@ -543,20 +229,18 @@ class ImageService
*/
public function pathAccessibleInLocalSecure(string $imagePath): bool
{
/** @var FilesystemAdapter $disk */
$disk = $this->getStorageDisk('gallery');
$disk = $this->storage->getDisk('gallery');
if ($this->usingSecureRestrictedImages() && !$this->checkUserHasAccessToRelationOfImageAtPath($imagePath)) {
if ($this->storage->usingSecureRestrictedImages() && !$this->checkUserHasAccessToRelationOfImageAtPath($imagePath)) {
return false;
}
// Check local_secure is active
return $this->usingSecureImages()
&& $disk instanceof FilesystemAdapter
return $disk->usingSecureImages()
// Check the image file exists
&& $disk->exists($imagePath)
// Check the file is likely an image file
&& strpos($disk->mimeType($imagePath), 'image/') === 0;
&& str_starts_with($disk->mimeType($imagePath), 'image/');
}
/**
@ -565,14 +249,14 @@ class ImageService
*/
protected function checkUserHasAccessToRelationOfImageAtPath(string $path): bool
{
if (strpos($path, '/uploads/images/') === 0) {
if (str_starts_with($path, 'uploads/images/')) {
$path = substr($path, 15);
}
// Strip thumbnail element from path if existing
$originalPathSplit = array_filter(explode('/', $path), function (string $part) {
$resizedDir = (strpos($part, 'thumbs-') === 0 || strpos($part, 'scaled-') === 0);
$missingExtension = strpos($part, '.') === false;
$resizedDir = (str_starts_with($part, 'thumbs-') || str_starts_with($part, 'scaled-'));
$missingExtension = !str_contains($part, '.');
return !($resizedDir && $missingExtension);
});
@ -613,7 +297,7 @@ class ImageService
*/
public function streamImageFromStorageResponse(string $imageType, string $path): StreamedResponse
{
$disk = $this->getStorageDisk($imageType);
$disk = $this->storage->getDisk($imageType);
return $disk->response($path);
}
@ -627,64 +311,4 @@ class ImageService
{
return in_array($extension, static::$supportedExtensions);
}
/**
* Get a storage path for the given image URL.
* Ensures the path will start with "uploads/images".
* Returns null if the url cannot be resolved to a local URL.
*/
private function imageUrlToStoragePath(string $url): ?string
{
$url = ltrim(trim($url), '/');
// Handle potential relative paths
$isRelative = strpos($url, 'http') !== 0;
if ($isRelative) {
if (strpos(strtolower($url), 'uploads/images') === 0) {
return trim($url, '/');
}
return null;
}
// Handle local images based on paths on the same domain
$potentialHostPaths = [
url('uploads/images/'),
$this->getPublicUrl('/uploads/images/'),
];
foreach ($potentialHostPaths as $potentialBasePath) {
$potentialBasePath = strtolower($potentialBasePath);
if (strpos(strtolower($url), $potentialBasePath) === 0) {
return 'uploads/images/' . trim(substr($url, strlen($potentialBasePath)), '/');
}
}
return null;
}
/**
* Gets a public facing url for an image by checking relevant environment variables.
* If s3-style store is in use it will default to guessing a public bucket URL.
*/
private function getPublicUrl(string $filePath): string
{
$storageUrl = config('filesystems.url');
// Get the standard public s3 url if s3 is set as storage type
// Uses the nice, short URL if bucket name has no periods in otherwise the longer
// region-based url will be used to prevent http issues.
if (!$storageUrl && config('filesystems.images') === 's3') {
$storageDetails = config('filesystems.disks.s3');
if (strpos($storageDetails['bucket'], '.') === false) {
$storageUrl = 'https://' . $storageDetails['bucket'] . '.s3.amazonaws.com';
} else {
$storageUrl = 'https://s3-' . $storageDetails['region'] . '.amazonaws.com/' . $storageDetails['bucket'];
}
}
$basePath = $storageUrl ?: url('/');
return rtrim($basePath, '/') . $filePath;
}
}

136
app/Uploads/ImageStorage.php Normal file
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@ -0,0 +1,136 @@
<?php
namespace BookStack\Uploads;
use Illuminate\Filesystem\FilesystemManager;
use Illuminate\Support\Str;
class ImageStorage
{
public function __construct(
protected FilesystemManager $fileSystem,
) {
}
/**
* Get the storage disk for the given image type.
*/
public function getDisk(string $imageType = ''): ImageStorageDisk
{
$diskName = $this->getDiskName($imageType);
return new ImageStorageDisk(
$diskName,
$this->fileSystem->disk($diskName),
);
}
/**
* Check if "local secure restricted" (Fetched behind auth, with permissions enforced)
* is currently active in the instance.
*/
public function usingSecureRestrictedImages(): bool
{
return config('filesystems.images') === 'local_secure_restricted';
}
/**
* Clean up an image file name to be both URL and storage safe.
*/
public function cleanImageFileName(string $name): string
{
$name = str_replace(' ', '-', $name);
$nameParts = explode('.', $name);
$extension = array_pop($nameParts);
$name = implode('-', $nameParts);
$name = Str::slug($name);
if (strlen($name) === 0) {
$name = Str::random(10);
}
return $name . '.' . $extension;
}
/**
* Get the name of the storage disk to use.
*/
protected function getDiskName(string $imageType): string
{
$storageType = strtolower(config('filesystems.images'));
$localSecureInUse = ($storageType === 'local_secure' || $storageType === 'local_secure_restricted');
// Ensure system images (App logo) are uploaded to a public space
if ($imageType === 'system' && $localSecureInUse) {
return 'local';
}
// Rename local_secure options to get our image specific storage driver which
// is scoped to the relevant image directories.
if ($localSecureInUse) {
return 'local_secure_images';
}
return $storageType;
}
/**
* Get a storage path for the given image URL.
* Ensures the path will start with "uploads/images".
* Returns null if the url cannot be resolved to a local URL.
*/
public function urlToPath(string $url): ?string
{
$url = ltrim(trim($url), '/');
// Handle potential relative paths
$isRelative = !str_starts_with($url, 'http');
if ($isRelative) {
if (str_starts_with(strtolower($url), 'uploads/images')) {
return trim($url, '/');
}
return null;
}
// Handle local images based on paths on the same domain
$potentialHostPaths = [
url('uploads/images/'),
$this->getPublicUrl('/uploads/images/'),
];
foreach ($potentialHostPaths as $potentialBasePath) {
$potentialBasePath = strtolower($potentialBasePath);
if (str_starts_with(strtolower($url), $potentialBasePath)) {
return 'uploads/images/' . trim(substr($url, strlen($potentialBasePath)), '/');
}
}
return null;
}
/**
* Gets a public facing url for an image by checking relevant environment variables.
* If s3-style store is in use it will default to guessing a public bucket URL.
*/
public function getPublicUrl(string $filePath): string
{
$storageUrl = config('filesystems.url');
// Get the standard public s3 url if s3 is set as storage type
// Uses the nice, short URL if bucket name has no periods in otherwise the longer
// region-based url will be used to prevent http issues.
if (!$storageUrl && config('filesystems.images') === 's3') {
$storageDetails = config('filesystems.disks.s3');
if (!str_contains($storageDetails['bucket'], '.')) {
$storageUrl = 'https://' . $storageDetails['bucket'] . '.s3.amazonaws.com';
} else {
$storageUrl = 'https://s3-' . $storageDetails['region'] . '.amazonaws.com/' . $storageDetails['bucket'];
}
}
$basePath = $storageUrl ?: url('/');
return rtrim($basePath, '/') . $filePath;
}
}

140
app/Uploads/ImageStorageDisk.php Normal file
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@ -0,0 +1,140 @@
<?php
namespace BookStack\Uploads;
use Illuminate\Contracts\Filesystem\Filesystem;
use Illuminate\Filesystem\FilesystemAdapter;
use League\Flysystem\WhitespacePathNormalizer;
use Symfony\Component\HttpFoundation\StreamedResponse;
class ImageStorageDisk
{
public function __construct(
protected string $diskName,
protected Filesystem $filesystem,
) {
}
/**
* Check if local secure image storage (Fetched behind authentication)
* is currently active in the instance.
*/
public function usingSecureImages(): bool
{
return $this->diskName === 'local_secure_images';
}
/**
* Change the originally provided path to fit any disk-specific requirements.
* This also ensures the path is kept to the expected root folders.
*/
protected function adjustPathForDisk(string $path): string
{
$path = (new WhitespacePathNormalizer())->normalizePath(str_replace('uploads/images/', '', $path));
if ($this->usingSecureImages()) {
return $path;
}
return 'uploads/images/' . $path;
}
/**
* Check if a file at the given path exists.
*/
public function exists(string $path): bool
{
return $this->filesystem->exists($this->adjustPathForDisk($path));
}
/**
* Get the file at the given path.
*/
public function get(string $path): ?string
{
return $this->filesystem->get($this->adjustPathForDisk($path));
}
/**
* Save the given image data at the given path. Can choose to set
* the image as public which will update its visibility after saving.
*/
public function put(string $path, string $data, bool $makePublic = false): void
{
$path = $this->adjustPathForDisk($path);
$this->filesystem->put($path, $data);
// Set visibility when a non-AWS-s3, s3-like storage option is in use.
// Done since this call can break s3-like services but desired for other image stores.
// Attempting to set ACL during above put request requires different permissions
// hence would technically be a breaking change for actual s3 usage.
if ($makePublic && !$this->isS3Like()) {
$this->filesystem->setVisibility($path, 'public');
}
}
/**
* Destroys an image at the given path.
* Searches for image thumbnails in addition to main provided path.
*/
public function destroyAllMatchingNameFromPath(string $path): void
{
$path = $this->adjustPathForDisk($path);
$imageFolder = dirname($path);
$imageFileName = basename($path);
$allImages = collect($this->filesystem->allFiles($imageFolder));
// Delete image files
$imagesToDelete = $allImages->filter(function ($imagePath) use ($imageFileName) {
return basename($imagePath) === $imageFileName;
});
$this->filesystem->delete($imagesToDelete->all());
// Cleanup of empty folders
$foldersInvolved = array_merge([$imageFolder], $this->filesystem->directories($imageFolder));
foreach ($foldersInvolved as $directory) {
if ($this->isFolderEmpty($directory)) {
$this->filesystem->deleteDirectory($directory);
}
}
}
/**
* Get the mime type of the file at the given path.
* Only works for local filesystem adapters.
*/
public function mimeType(string $path): string
{
$path = $this->adjustPathForDisk($path);
return $this->filesystem instanceof FilesystemAdapter ? $this->filesystem->mimeType($path) : '';
}
/**
* Get a stream response for the image at the given path.
*/
public function response(string $path): StreamedResponse
{
return $this->filesystem->response($this->adjustPathForDisk($path));
}
/**
* Check if the image storage in use is an S3-like (but not likely S3) external system.
*/
protected function isS3Like(): bool
{
$usingS3 = $this->diskName === 's3';
return $usingS3 && !is_null(config('filesystems.disks.s3.endpoint'));
}
/**
* Check whether a folder is empty.
*/
protected function isFolderEmpty(string $path): bool
{
$files = $this->filesystem->files($path);
$folders = $this->filesystem->directories($path);
return count($files) === 0 && count($folders) === 0;
}
}

2
app/Users/Models/User.php
View File

@ -244,7 +244,7 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
}
try {
$avatar = $this->avatar ? url($this->avatar->getThumb($size, $size, false)) : $default;
$avatar = $this->avatar?->getThumb($size, $size, false) ?? $default;
} catch (Exception $err) {
$avatar = $default;
}

58
app/Util/OutOfMemoryHandler.php Normal file
View File

@ -0,0 +1,58 @@
<?php
namespace BookStack\Util;
use BookStack\Exceptions\Handler;
use Illuminate\Contracts\Debug\ExceptionHandler;
/**
* Create a handler which runs the provided actions upon an
* out-of-memory event. This allows reserving of memory to allow
* the desired action to run as needed.
*
* Essentially provides a wrapper and memory reserving around the
* memory handling added to the default app error handler.
*/
class OutOfMemoryHandler
{
protected $onOutOfMemory;
protected string $memoryReserve = '';
public function __construct(callable $onOutOfMemory, int $memoryReserveMB = 4)
{
$this->onOutOfMemory = $onOutOfMemory;
$this->memoryReserve = str_repeat('x', $memoryReserveMB * 1_000_000);
$this->getHandler()->prepareForOutOfMemory(function () {
return $this->handle();
});
}
protected function handle(): mixed
{
$result = null;
$this->memoryReserve = '';
if ($this->onOutOfMemory) {
$result = call_user_func($this->onOutOfMemory);
$this->forget();
}
return $result;
}
/**
* Forget the handler so no action is taken place on out of memory.
*/
public function forget(): void
{
$this->memoryReserve = '';
$this->onOutOfMemory = null;
$this->getHandler()->forgetOutOfMemoryHandler();
}
protected function getHandler(): Handler
{
return app()->make(ExceptionHandler::class);
}
}

2
lang/en/components.php
View File

@ -34,6 +34,8 @@ return [
'image_delete_success' => 'Image successfully deleted',
'image_replace' => 'Replace Image',
'image_replace_success' => 'Image file successfully updated',
'image_rebuild_thumbs' => 'Regenerate Size Variations',
'image_rebuild_thumbs_success' => 'Image size variations successfully rebuilt!',
// Code Editor
'code_editor' => 'Edit Code',

4
lang/en/errors.php
View File

@ -44,12 +44,16 @@ return [
'cannot_get_image_from_url' => 'Cannot get image from :url',
'cannot_create_thumbs' => 'The server cannot create thumbnails. Please check you have the GD PHP extension installed.',
'server_upload_limit' => 'The server does not allow uploads of this size. Please try a smaller file size.',
'server_post_limit' => 'The server cannot receive the provided amount of data. Try again with less data or a smaller file.',
'uploaded' => 'The server does not allow uploads of this size. Please try a smaller file size.',
// Drawing & Images
'image_upload_error' => 'An error occurred uploading the image',
'image_upload_type_error' => 'The image type being uploaded is invalid',
'image_upload_replace_type' => 'Image file replacements must be of the same type',
'image_upload_memory_limit' => 'Failed to handle image upload and/or create thumbnails due to system resource limits.',
'image_thumbnail_memory_limit' => 'Failed to create image size variations due to system resource limits.',
'image_gallery_thumbnail_memory_limit' => 'Failed to create gallery thumbnails due to system resource limits.',
'drawing_data_not_found' => 'Drawing data could not be loaded. The drawing file might no longer exist or you may not have permission to access it.',
// Attachments

35
resources/js/components/image-manager.js
View File

@ -90,6 +90,15 @@ export class ImageManager extends Component {
}
});
// Rebuild thumbs click
onChildEvent(this.formContainer, '#image-manager-rebuild-thumbs', 'click', async (_, button) => {
button.disabled = true;
if (this.lastSelected) {
await this.rebuildThumbnails(this.lastSelected.id);
}
button.disabled = false;
});
// Edit form submit
this.formContainer.addEventListener('ajax-form-success', () => {
this.refreshGallery();
@ -220,8 +229,8 @@ export class ImageManager extends Component {
this.loadGallery();
}
onImageSelectEvent(event) {
const image = JSON.parse(event.detail.data);
async onImageSelectEvent(event) {
let image = JSON.parse(event.detail.data);
const isDblClick = ((image && image.id === this.lastSelected.id)
&& Date.now() - this.lastSelectedTime < 400);
const alreadySelected = event.target.classList.contains('selected');
@ -229,12 +238,15 @@ export class ImageManager extends Component {
el.classList.remove('selected');
});
if (!alreadySelected) {
if (!alreadySelected && !isDblClick) {
event.target.classList.add('selected');
this.loadImageEditForm(image.id);
} else {
image = await this.loadImageEditForm(image.id);
} else if (!isDblClick) {
this.resetEditForm();
} else if (isDblClick) {
image = this.lastSelected;
}
this.selectButton.classList.toggle('hidden', alreadySelected);
if (isDblClick && this.callback) {
@ -256,6 +268,9 @@ export class ImageManager extends Component {
this.formContainer.innerHTML = formHtml;
this.formContainerPlaceholder.setAttribute('hidden', '');
window.$components.init(this.formContainer);
const imageDataEl = this.formContainer.querySelector('#image-manager-form-image-data');
return JSON.parse(imageDataEl.text);
}
runLoadMore() {
@ -268,4 +283,14 @@ export class ImageManager extends Component {
return this.loadMore.querySelector('button') && !this.loadMore.hasAttribute('hidden');
}
async rebuildThumbnails(imageId) {
try {
const response = await window.$http.put(`/images/${imageId}/rebuild-thumbnails`);
window.$events.success(response.data);
this.refreshGallery();
} catch (err) {
window.$events.showResponseError(err);
}
}
}

4
resources/js/markdown/actions.js
View File

@ -34,7 +34,7 @@ export class Actions {
const imageManager = window.$components.first('image-manager');
imageManager.show(image => {
const imageUrl = image.thumbs.display || image.url;
const imageUrl = image.thumbs?.display || image.url;
const selectedText = this.#getSelectionText();
const newText = `[![${selectedText || image.name}](${imageUrl})](${image.url})`;
this.#replaceSelection(newText, newText.length);
@ -417,7 +417,7 @@ export class Actions {
const newContent = `[![](${data.thumbs.display})](${data.url})`;
this.#findAndReplaceContent(placeHolderText, newContent);
} catch (err) {
window.$events.emit('error', this.editor.config.text.imageUploadError);
window.$events.error(err?.data?.message || this.editor.config.text.imageUploadError);
this.#findAndReplaceContent(placeHolderText, '');
console.error(err);
}

2
resources/js/wysiwyg/drop-paste-handling.js
View File

@ -61,7 +61,7 @@ function paste(editor, options, event) {
editor.dom.replace(newEl, id);
}).catch(err => {
editor.dom.remove(id);
window.$events.emit('error', options.translations.imageUploadErrorText);
window.$events.error(err?.data?.message || options.translations.imageUploadErrorText);
console.error(err);
});
}, 10);

2
resources/js/wysiwyg/plugins-imagemanager.js
View File

@ -11,7 +11,7 @@ function register(editor) {
/** @type {ImageManager} * */
const imageManager = window.$components.first('image-manager');
imageManager.show(image => {
const imageUrl = image.thumbs.display || image.url;
const imageUrl = image.thumbs?.display || image.url;
let html = `<a href="${image.url}" target="_blank">`;
html += `<img src="${imageUrl}" alt="${image.name}">`;
html += '</a>';

14
resources/sass/_components.scss
View File

@ -382,7 +382,7 @@ body.flexbox-support #entity-selector-wrap .popup-body .form-group {
.image-manager-list {
padding: 3px;
display: grid;
grid-template-columns: repeat( auto-fit, minmax(140px, 1fr) );
grid-template-columns: repeat( auto-fill, minmax(max(140px, 17%), 1fr) );
gap: 3px;
z-index: 3;
> div {
@ -457,6 +457,18 @@ body.flexbox-support #entity-selector-wrap .popup-body .form-group {
text-align: center;
}
.image-manager-list .image-manager-list-warning {
grid-column: 1 / -1;
aspect-ratio: auto;
}
.image-manager-warning {
@include lightDark(background, #FFF, #333);
color: var(--color-warning);
font-weight: bold;
border-inline: 3px solid var(--color-warning);
}
.image-manager-sidebar {
width: 300px;
margin: 0 auto;

12
resources/views/pages/parts/image-manager-form.blade.php
View File

@ -8,8 +8,17 @@
option:dropzone:file-accept="image/*"
class="image-manager-details">
@if($warning ?? '')
<div class="image-manager-warning px-m py-xs flex-container-row gap-xs items-center mb-l">
<div>@icon('warning')</div>
<div class="flex">{{ $warning }}</div>
</div>
@endif
<div refs="dropzone@status-area dropzone@drop-target"></div>
<script id="image-manager-form-image-data" type="application/json">@json($image)</script>
<form component="ajax-form"
option:ajax-form:success-message="{{ trans('components.image_update_success') }}"
option:ajax-form:method="put"
@ -44,6 +53,9 @@
id="image-manager-replace"
refs="dropzone@select-button"
class="text-item">{{ trans('components.image_replace') }}</button>
<button type="button"
id="image-manager-rebuild-thumbs"
class="text-item">{{ trans('components.image_rebuild_thumbs') }}</button>
@endif
</div>
</div>

8
resources/views/pages/parts/image-manager-list.blade.php
View File

@ -1,3 +1,9 @@
@if($warning ?? '')
<div class="image-manager-list-warning image-manager-warning px-m py-xs flex-container-row gap-xs items-center">
<div>@icon('warning')</div>
<div class="flex">{{ $warning }}</div>
</div>
@endif
@foreach($images as $index => $image)
<div>
<button component="event-emit-select"
@ -5,7 +11,7 @@
option:event-emit-select:data="{{ json_encode($image) }}"
class="image anim fadeIn text-link"
style="animation-delay: {{ min($index * 10, 260) . 'ms' }};">
<img src="{{ $image->thumbs['gallery'] }}"
<img src="{{ $image->thumbs['gallery'] ?? '' }}"
alt="{{ $image->name }}"
role="none"
width="150"

1
routes/web.php
View File

@ -142,6 +142,7 @@ Route::middleware('auth')->group(function () {
Route::post('/images/drawio', [UploadControllers\DrawioImageController::class, 'create']);
Route::get('/images/edit/{id}', [UploadControllers\ImageController::class, 'edit']);
Route::put('/images/{id}/file', [UploadControllers\ImageController::class, 'updateFile']);
Route::put('/images/{id}/rebuild-thumbnails', [UploadControllers\ImageController::class, 'rebuildThumbnails']);
Route::put('/images/{id}', [UploadControllers\ImageController::class, 'update']);
Route::delete('/images/{id}', [UploadControllers\ImageController::class, 'destroy']);

13
tests/ErrorTest.php
View File

@ -2,6 +2,7 @@
namespace Tests;
use Illuminate\Foundation\Http\Middleware\ValidatePostSize;
use Illuminate\Support\Facades\Log;
class ErrorTest extends TestCase
@ -45,4 +46,16 @@ class ErrorTest extends TestCase
$resp->assertStatus(404);
$resp->assertSeeText('Image Not Found');
}
public function test_posts_above_php_limit_shows_friendly_error()
{
// Fake super large JSON request
$resp = $this->asEditor()->call('GET', '/books', [], [], [], [
'CONTENT_LENGTH' => '10000000000',
'HTTP_ACCEPT' => 'application/json',
]);
$resp->assertStatus(413);
$resp->assertJson(['error' => 'The server cannot receive the provided amount of data. Try again with less data or a smaller file.']);
}
}

11
tests/Helpers/FileProvider.php
View File

@ -133,12 +133,21 @@ class FileProvider
*/
public function deleteAtRelativePath(string $path): void
{
$fullPath = public_path($path);
$fullPath = $this->relativeToFullPath($path);
if (file_exists($fullPath)) {
unlink($fullPath);
}
}
/**
* Convert a relative path used by default in this provider to a full
* absolute local filesystem path.
*/
public function relativeToFullPath(string $path): string
{
return public_path($path);
}
/**
* Delete all uploaded files.
* To assist with cleanup.

24
tests/Uploads/ImageTest.php
View File

@ -552,6 +552,30 @@ class ImageTest extends TestCase
$this->files->deleteAtRelativePath($relPath);
}
public function test_image_manager_regen_thumbnails()
{
$this->asEditor();
$imageName = 'first-image.png';
$relPath = $this->files->expectedImagePath('gallery', $imageName);
$this->files->deleteAtRelativePath($relPath);
$this->files->uploadGalleryImage($this, $imageName, $this->entities->page()->id);
$image = Image::first();
$resp = $this->get("/images/edit/{$image->id}");
$this->withHtml($resp)->assertElementExists('button#image-manager-rebuild-thumbs');
$expectedThumbPath = dirname($relPath) . '/scaled-1680-/' . basename($relPath);
$this->files->deleteAtRelativePath($expectedThumbPath);
$this->assertFileDoesNotExist($this->files->relativeToFullPath($expectedThumbPath));
$resp = $this->put("/images/{$image->id}/rebuild-thumbnails");
$resp->assertOk();
$this->assertFileExists($this->files->relativeToFullPath($expectedThumbPath));
$this->files->deleteAtRelativePath($relPath);
}
protected function getTestProfileImage()
{
$imageName = 'profile.png';