BookStack Code Mirror - bookstack/blob - app/Http/Controllers/Images/ImageController.php

   1 <?php namespace BookStack\Http\Controllers\Images;
   2
   3 use BookStack\Entities\Repos\EntityRepo;
   4 use BookStack\Exceptions\ImageUploadException;
   5 use BookStack\Http\Controllers\Controller;
   6 use BookStack\Repos\PageRepo;
   7 use BookStack\Uploads\Image;
   8 use BookStack\Uploads\ImageRepo;
   9 use Illuminate\Filesystem\Filesystem as File;
  10 use Illuminate\Http\Request;
  11
  12 class ImageController extends Controller
  13 {
  14     protected $image;
  15     protected $file;
  16     protected $imageRepo;
  17
  18     /**
  19      * ImageController constructor.
  20      * @param Image $image
  21      * @param File $file
  22      * @param ImageRepo $imageRepo
  23      */
  24     public function __construct(Image $image, File $file, ImageRepo $imageRepo)
  25     {
  26         $this->image = $image;
  27         $this->file = $file;
  28         $this->imageRepo = $imageRepo;
  29         parent::__construct();
  30     }
  31
  32     /**
  33      * Provide an image file from storage.
  34      * @param string $path
  35      * @return mixed
  36      */
  37     public function showImage(string $path)
  38     {
  39         $path = storage_path('uploads/images/' . $path);
  40         if (!file_exists($path)) {
  41             abort(404);
  42         }
  43
  44         return response()->file($path);
  45     }
  46
  47
  48     /**
  49      * Update image details
  50      * @param integer $id
  51      * @param Request $request
  52      * @return \Illuminate\Http\JsonResponse
  53      * @throws ImageUploadException
  54      * @throws \Exception
  55      */
  56     public function update($id, Request $request)
  57     {
  58         $this->validate($request, [
  59             'name' => 'required|min:2|string'
  60         ]);
  61
  62         $image = $this->imageRepo->getById($id);
  63         $this->checkImagePermission($image);
  64         $this->checkOwnablePermission('image-update', $image);
  65
  66         $image = $this->imageRepo->updateImageDetails($image, $request->all());
  67         return response()->json($image);
  68     }
  69
  70     /**
  71      * Show the usage of an image on pages.
  72      * @param \BookStack\Entities\Repos\EntityRepo $entityRepo
  73      * @param $id
  74      * @return \Illuminate\Http\JsonResponse
  75      */
  76     public function usage(EntityRepo $entityRepo, $id)
  77     {
  78         $image = $this->imageRepo->getById($id);
  79         $this->checkImagePermission($image);
  80         $pageSearch = $entityRepo->searchForImage($image->url);
  81         return response()->json($pageSearch);
  82     }
  83
  84     /**
  85      * Deletes an image and all thumbnail/image files
  86      * @param int $id
  87      * @return \Illuminate\Http\JsonResponse
  88      * @throws \Exception
  89      */
  90     public function destroy($id)
  91     {
  92         $image = $this->imageRepo->getById($id);
  93         $this->checkOwnablePermission('image-delete', $image);
  94         $this->checkImagePermission($image);
  95
  96         $this->imageRepo->destroyImage($image);
  97         return response()->json(trans('components.images_deleted'));
  98     }
  99
 100     /**
 101      * Check related page permission and ensure type is drawio or gallery.
 102      * @param Image $image
 103      */
 104     protected function checkImagePermission(Image $image)
 105     {
 106         if ($image->type !== 'drawio' && $image->type !== 'gallery') {
 107             $this->showPermissionError();
 108         }
 109
 110         $relatedPage = $image->getPage();
 111         if ($relatedPage) {
 112             $this->checkOwnablePermission('page-view', $relatedPage);
 113         }
 114     }
 115 }