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

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<?php
namespace BookStack\Http\Controllers\Images;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Uploads\ImageRepo;
use Exception;
use Illuminate\Http\Request;
use BookStack\Http\Controllers\Controller;
class DrawioImageController extends Controller
{
protected $imageRepo;
public function __construct(ImageRepo $imageRepo)
{
$this->imageRepo = $imageRepo;
parent::__construct();
}
/**
* Get a list of gallery images, in a list.
* Can be paged and filtered by entity.
*/
public function list(Request $request)
{
$page = $request->get('page', 1);
$searchTerm = $request->get('search', null);
$uploadedToFilter = $request->get('uploaded_to', null);
$parentTypeFilter = $request->get('filter_type', null);
$imgData = $this->imageRepo->getEntityFiltered('drawio', $parentTypeFilter, $page, 24, $uploadedToFilter, $searchTerm);
return view('components.image-manager-list', [
'images' => $imgData['images'],
'hasMore' => $imgData['has_more'],
]);
}
/**
* Store a new gallery image in the system.
* @throws Exception
*/
public function create(Request $request)
{
$this->validate($request, [
'image' => 'required|string',
'uploaded_to' => 'required|integer'
]);
$this->checkPermission('image-create-all');
$imageBase64Data = $request->get('image');
try {
$uploadedTo = $request->get('uploaded_to', 0);
$image = $this->imageRepo->saveDrawing($imageBase64Data, $uploadedTo);
} catch (ImageUploadException $e) {
return response($e->getMessage(), 500);
}
return response()->json($image);
}
/**
* Get the content of an image based64 encoded.
*/
public function getAsBase64($id)
{
$image = $this->imageRepo->getById($id);
$page = $image->getPage();
if ($image === null || $image->type !== 'drawio' || !userCan('page-view', $page)) {
return $this->jsonError("Image data could not be found");
}
$imageData = $this->imageRepo->getImageData($image);
if ($imageData === null) {
return $this->jsonError("Image data could not be found");
}
return response()->json([
'content' => base64_encode($imageData)
]);
}
}