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

   1 <?php
   2
   3 namespace BookStack\Http\Controllers\Images;
   4
   5 use BookStack\Exceptions\ImageUploadException;
   6 use BookStack\Exceptions\NotFoundException;
   7 use BookStack\Http\Controllers\Controller;
   8 use BookStack\Uploads\Image;
   9 use BookStack\Uploads\ImageRepo;
  10 use BookStack\Uploads\ImageService;
  11 use Exception;
  12 use Illuminate\Filesystem\Filesystem as File;
  13 use Illuminate\Filesystem\FilesystemAdapter;
  14 use Illuminate\Http\Request;
  15 use Illuminate\Support\Facades\Storage;
  16 use Illuminate\Validation\ValidationException;
  17 use League\Flysystem\Util;
  18
  19 class ImageController extends Controller
  20 {
  21     protected $image;
  22     protected $file;
  23     protected $imageRepo;
  24     protected $imageService;
  25
  26     /**
  27      * ImageController constructor.
  28      */
  29     public function __construct(Image $image, File $file, ImageRepo $imageRepo, ImageService $imageService)
  30     {
  31         $this->image = $image;
  32         $this->file = $file;
  33         $this->imageRepo = $imageRepo;
  34         $this->imageService = $imageService;
  35     }
  36
  37     /**
  38      * Provide an image file from storage.
  39      *
  40      * @throws NotFoundException
  41      */
  42     public function showImage(string $path)
  43     {
  44         if (!$this->imageService->pathExistsInLocalSecure($path)) {
  45             throw (new NotFoundException(trans('errors.image_not_found')))
  46                 ->setSubtitle(trans('errors.image_not_found_subtitle'))
  47                 ->setDetails(trans('errors.image_not_found_details'));
  48         }
  49
  50         return $this->imageService->streamImageFromStorageResponse('gallery', $path);
  51     }
  52
  53     /**
  54      * Update image details.
  55      *
  56      * @throws ImageUploadException
  57      * @throws ValidationException
  58      */
  59     public function update(Request $request, string $id)
  60     {
  61         $this->validate($request, [
  62             'name' => 'required|min:2|string',
  63         ]);
  64
  65         $image = $this->imageRepo->getById($id);
  66         $this->checkImagePermission($image);
  67         $this->checkOwnablePermission('image-update', $image);
  68
  69         $image = $this->imageRepo->updateImageDetails($image, $request->all());
  70
  71         $this->imageRepo->loadThumbs($image);
  72
  73         return view('pages.parts.image-manager-form', [
  74             'image'          => $image,
  75             'dependantPages' => null,
  76         ]);
  77     }
  78
  79     /**
  80      * Get the form for editing the given image.
  81      *
  82      * @throws Exception
  83      */
  84     public function edit(Request $request, string $id)
  85     {
  86         $image = $this->imageRepo->getById($id);
  87         $this->checkImagePermission($image);
  88
  89         if ($request->has('delete')) {
  90             $dependantPages = $this->imageRepo->getPagesUsingImage($image);
  91         }
  92
  93         $this->imageRepo->loadThumbs($image);
  94
  95         return view('pages.parts.image-manager-form', [
  96             'image'          => $image,
  97             'dependantPages' => $dependantPages ?? null,
  98         ]);
  99     }
 100
 101     /**
 102      * Deletes an image and all thumbnail/image files.
 103      *
 104      * @throws Exception
 105      */
 106     public function destroy(string $id)
 107     {
 108         $image = $this->imageRepo->getById($id);
 109         $this->checkOwnablePermission('image-delete', $image);
 110         $this->checkImagePermission($image);
 111
 112         $this->imageRepo->destroyImage($image);
 113
 114         return response('');
 115     }
 116
 117     /**
 118      * Check related page permission and ensure type is drawio or gallery.
 119      */
 120     protected function checkImagePermission(Image $image)
 121     {
 122         if ($image->type !== 'drawio' && $image->type !== 'gallery') {
 123             $this->showPermissionError();
 124         }
 125
 126         $relatedPage = $image->getPage();
 127         if ($relatedPage) {
 128             $this->checkOwnablePermission('page-view', $relatedPage);
 129         }
 130     }
 131 }