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

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