BookStack/app/Uploads/Controllers/ImageController.php

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<?php
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namespace BookStack\Uploads\Controllers;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Exceptions\NotFoundException;
use BookStack\Http\Controller;
use BookStack\Uploads\Image;
use BookStack\Uploads\ImageRepo;
use BookStack\Uploads\ImageService;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
class ImageController extends Controller
{
public function __construct(
protected ImageRepo $imageRepo,
protected ImageService $imageService
) {
}
/**
* Provide an image file from storage.
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*
* @throws NotFoundException
*/
public function showImage(string $path)
{
if (!$this->imageService->pathAccessibleInLocalSecure($path)) {
throw (new NotFoundException(trans('errors.image_not_found')))
->setSubtitle(trans('errors.image_not_found_subtitle'))
->setDetails(trans('errors.image_not_found_details'));
}
return $this->imageService->streamImageFromStorageResponse('gallery', $path);
}
/**
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* Update image details.
*
* @throws ImageUploadException
* @throws ValidationException
*/
public function update(Request $request, string $id)
{
$data = $this->validate($request, [
'name' => ['required', 'min:2', 'string'],
]);
$image = $this->imageRepo->getById($id);
$this->checkImagePermission($image);
$this->checkOwnablePermission('image-update', $image);
$image = $this->imageRepo->updateImageDetails($image, $data);
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return view('pages.parts.image-manager-form', [
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'image' => $image,
'dependantPages' => null,
]);
}
/**
* Update the file for an existing image.
*/
public function updateFile(Request $request, string $id)
{
$this->validate($request, [
'file' => ['required', 'file', ...$this->getImageValidationRules()],
]);
$image = $this->imageRepo->getById($id);
$this->checkImagePermission($image);
$this->checkOwnablePermission('image-update', $image);
$file = $request->file('file');
try {
$this->imageRepo->updateImageFile($image, $file);
} catch (ImageUploadException $exception) {
return $this->jsonError($exception->getMessage());
}
return response('');
}
/**
* Get the form for editing the given image.
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*
* @throws Exception
*/
public function edit(Request $request, string $id)
{
$image = $this->imageRepo->getById($id);
$this->checkImagePermission($image);
if ($request->has('delete')) {
$dependantPages = $this->imageRepo->getPagesUsingImage($image);
}
$this->imageRepo->loadThumbs($image, false);
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return view('pages.parts.image-manager-form', [
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'image' => $image,
'dependantPages' => $dependantPages ?? null,
]);
}
/**
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* Deletes an image and all thumbnail/image files.
*
* @throws Exception
*/
public function destroy(string $id)
{
$image = $this->imageRepo->getById($id);
$this->checkOwnablePermission('image-delete', $image);
$this->checkImagePermission($image);
$this->imageRepo->destroyImage($image);
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return response('');
}
/**
* Check related page permission and ensure type is drawio or gallery.
*/
protected function checkImagePermission(Image $image)
{
if ($image->type !== 'drawio' && $image->type !== 'gallery') {
$this->showPermissionError();
}
$relatedPage = $image->getPage();
if ($relatedPage) {
$this->checkOwnablePermission('page-view', $relatedPage);
}
}
}