BookStack/app/Http/Controllers/Images/ImageController.php

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<?php namespace BookStack\Http\Controllers\Images;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Http\Controllers\Controller;
use BookStack\Uploads\Image;
use BookStack\Uploads\ImageRepo;
use Exception;
use Illuminate\Filesystem\Filesystem as File;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
class ImageController extends Controller
{
protected $image;
protected $file;
protected $imageRepo;
/**
* ImageController constructor.
*/
public function __construct(Image $image, File $file, ImageRepo $imageRepo)
{
$this->image = $image;
$this->file = $file;
$this->imageRepo = $imageRepo;
}
/**
* Provide an image file from storage.
*/
public function showImage(string $path)
{
$path = storage_path('uploads/images/' . $path);
if (!file_exists($path)) {
abort(404);
}
return response()->file($path);
}
/**
* Update image details
* @throws ImageUploadException
* @throws ValidationException
*/
public function update(Request $request, string $id)
{
$this->validate($request, [
'name' => 'required|min:2|string'
]);
$image = $this->imageRepo->getById($id);
$this->checkImagePermission($image);
$this->checkOwnablePermission('image-update', $image);
$image = $this->imageRepo->updateImageDetails($image, $request->all());
$this->imageRepo->loadThumbs($image);
return view('components.image-manager-form', [
'image' => $image,
'dependantPages' => null,
]);
}
/**
* Get the form for editing the given image.
* @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);
return view('components.image-manager-form', [
'image' => $image,
'dependantPages' => $dependantPages ?? null,
]);
}
/**
* 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);
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);
}
}
}