BookStack Code Mirror - bookstack/blob - app/Uploads/Controllers/DrawioImageController.php

   1 <?php
   2
   3 namespace BookStack\Uploads\Controllers;
   4
   5 use BookStack\Exceptions\ImageUploadException;
   6 use BookStack\Http\Controllers\Controller;
   7 use BookStack\Uploads\ImageRepo;
   8 use Exception;
   9 use Illuminate\Http\Request;
  10
  11 class DrawioImageController extends Controller
  12 {
  13     protected $imageRepo;
  14
  15     public function __construct(ImageRepo $imageRepo)
  16     {
  17         $this->imageRepo = $imageRepo;
  18     }
  19
  20     /**
  21      * Get a list of gallery images, in a list.
  22      * Can be paged and filtered by entity.
  23      */
  24     public function list(Request $request)
  25     {
  26         $page = $request->get('page', 1);
  27         $searchTerm = $request->get('search', null);
  28         $uploadedToFilter = $request->get('uploaded_to', null);
  29         $parentTypeFilter = $request->get('filter_type', null);
  30
  31         $imgData = $this->imageRepo->getEntityFiltered('drawio', $parentTypeFilter, $page, 24, $uploadedToFilter, $searchTerm);
  32
  33         return view('pages.parts.image-manager-list', [
  34             'images'  => $imgData['images'],
  35             'hasMore' => $imgData['has_more'],
  36         ]);
  37     }
  38
  39     /**
  40      * Store a new gallery image in the system.
  41      *
  42      * @throws Exception
  43      */
  44     public function create(Request $request)
  45     {
  46         $this->validate($request, [
  47             'image'       => ['required', 'string'],
  48             'uploaded_to' => ['required', 'integer'],
  49         ]);
  50
  51         $this->checkPermission('image-create-all');
  52         $imageBase64Data = $request->get('image');
  53
  54         try {
  55             $uploadedTo = $request->get('uploaded_to', 0);
  56             $image = $this->imageRepo->saveDrawing($imageBase64Data, $uploadedTo);
  57         } catch (ImageUploadException $e) {
  58             return response($e->getMessage(), 500);
  59         }
  60
  61         return response()->json($image);
  62     }
  63
  64     /**
  65      * Get the content of an image based64 encoded.
  66      */
  67     public function getAsBase64($id)
  68     {
  69         try {
  70             $image = $this->imageRepo->getById($id);
  71         } catch (Exception $exception) {
  72             return $this->jsonError(trans('errors.drawing_data_not_found'), 404);
  73         }
  74
  75         if ($image->type !== 'drawio' || !userCan('page-view', $image->getPage())) {
  76             return $this->jsonError(trans('errors.drawing_data_not_found'), 404);
  77         }
  78
  79         $imageData = $this->imageRepo->getImageData($image);
  80         if (is_null($imageData)) {
  81             return $this->jsonError(trans('errors.drawing_data_not_found'), 404);
  82         }
  83
  84         return response()->json([
  85             'content' => base64_encode($imageData),
  86         ]);
  87     }
  88 }