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