mirror of
https://github.com/BookStackApp/BookStack.git
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5af3041b9b
- Added some level of app out-of-memory handling so we can show a proper error message upon OOM events. - Added endpoint and image-manager button/action for regenerating thumbnails for an image so they can be re-created upon failure.
158 lines
4.4 KiB
PHP
158 lines
4.4 KiB
PHP
<?php
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namespace BookStack\Uploads\Controllers;
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use BookStack\Exceptions\ImageUploadException;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Http\Controller;
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use BookStack\Uploads\Image;
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use BookStack\Uploads\ImageRepo;
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use BookStack\Uploads\ImageService;
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use BookStack\Util\OutOfMemoryHandler;
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use Exception;
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use Illuminate\Http\Request;
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use Illuminate\Validation\ValidationException;
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class ImageController extends Controller
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{
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public function __construct(
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protected ImageRepo $imageRepo,
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protected ImageService $imageService
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) {
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}
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/**
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* Provide an image file from storage.
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*
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* @throws NotFoundException
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*/
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public function showImage(string $path)
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{
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if (!$this->imageService->pathAccessibleInLocalSecure($path)) {
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throw (new NotFoundException(trans('errors.image_not_found')))
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->setSubtitle(trans('errors.image_not_found_subtitle'))
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->setDetails(trans('errors.image_not_found_details'));
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}
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return $this->imageService->streamImageFromStorageResponse('gallery', $path);
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}
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/**
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* Update image details.
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*
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* @throws ImageUploadException
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* @throws ValidationException
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*/
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public function update(Request $request, string $id)
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{
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$data = $this->validate($request, [
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'name' => ['required', 'min:2', 'string'],
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]);
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$image = $this->imageRepo->getById($id);
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$this->checkImagePermission($image);
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$this->checkOwnablePermission('image-update', $image);
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$image = $this->imageRepo->updateImageDetails($image, $data);
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return view('pages.parts.image-manager-form', [
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'image' => $image,
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'dependantPages' => null,
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]);
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}
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/**
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* Update the file for an existing image.
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*/
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public function updateFile(Request $request, string $id)
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{
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$this->validate($request, [
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'file' => ['required', 'file', ...$this->getImageValidationRules()],
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]);
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$image = $this->imageRepo->getById($id);
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$this->checkImagePermission($image);
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$this->checkOwnablePermission('image-update', $image);
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$file = $request->file('file');
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try {
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$this->imageRepo->updateImageFile($image, $file);
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} catch (ImageUploadException $exception) {
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return $this->jsonError($exception->getMessage());
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}
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return response('');
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}
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/**
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* Get the form for editing the given image.
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*
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* @throws Exception
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*/
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public function edit(Request $request, string $id)
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{
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$image = $this->imageRepo->getById($id);
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$this->checkImagePermission($image);
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if ($request->has('delete')) {
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$dependantPages = $this->imageRepo->getPagesUsingImage($image);
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}
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$this->imageRepo->loadThumbs($image, false);
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return view('pages.parts.image-manager-form', [
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'image' => $image,
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'dependantPages' => $dependantPages ?? null,
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]);
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}
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/**
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* Deletes an image and all thumbnail/image files.
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*
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* @throws Exception
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*/
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public function destroy(string $id)
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{
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$image = $this->imageRepo->getById($id);
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$this->checkOwnablePermission('image-delete', $image);
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$this->checkImagePermission($image);
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$this->imageRepo->destroyImage($image);
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return response('');
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}
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/**
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* Rebuild the thumbnails for the given image.
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*/
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public function rebuildThumbnails(string $id)
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{
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$image = $this->imageRepo->getById($id);
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$this->checkImagePermission($image);
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$this->checkOwnablePermission('image-update', $image);
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new OutOfMemoryHandler(function () {
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return $this->jsonError(trans('errors.image_thumbnail_memory_limit'));
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});
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$this->imageRepo->loadThumbs($image, true);
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return response(trans('components.image_rebuild_thumbs_success'));
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}
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/**
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* Check related page permission and ensure type is drawio or gallery.
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*/
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protected function checkImagePermission(Image $image)
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{
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if ($image->type !== 'drawio' && $image->type !== 'gallery') {
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$this->showPermissionError();
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}
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$relatedPage = $image->getPage();
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if ($relatedPage) {
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$this->checkOwnablePermission('page-view', $relatedPage);
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}
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}
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}
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