]> BookStack Code Mirror - bookstack/blobdiff - app/Http/Controllers/ImageController.php
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[bookstack] / app / Http / Controllers / ImageController.php
index fd790157034dc3e3800742abaf8b139c77903ab6..8437c80d71d1ac58b1565fcc56fc66be45a63af0 100644 (file)
@@ -1,12 +1,11 @@
-<?php
-
-namespace BookStack\Http\Controllers;
+<?php namespace BookStack\Http\Controllers;
 
+use BookStack\Exceptions\ImageUploadException;
+use BookStack\Exceptions\NotFoundException;
+use BookStack\Repos\EntityRepo;
+use BookStack\Repos\ImageRepo;
 use Illuminate\Filesystem\Filesystem as File;
 use Illuminate\Http\Request;
-use Illuminate\Support\Facades\Auth;
-use Intervention\Image\Facades\Image as ImageTool;
-use Illuminate\Support\Facades\DB;
 use BookStack\Image;
 use BookStack\Repos\PageRepo;
 
@@ -14,193 +13,259 @@ class ImageController extends Controller
 {
     protected $image;
     protected $file;
+    protected $imageRepo;
 
     /**
      * ImageController constructor.
      * @param Image $image
-     * @param File  $file
+     * @param File $file
+     * @param ImageRepo $imageRepo
      */
-    public function __construct(Image $image, File $file)
+    public function __construct(Image $image, File $file, ImageRepo $imageRepo)
     {
         $this->image = $image;
         $this->file = $file;
+        $this->imageRepo = $imageRepo;
         parent::__construct();
     }
 
+    /**
+     * Provide an image file from storage.
+     * @param string $path
+     * @return mixed
+     */
+    public function showImage(string $path)
+    {
+        $path = storage_path('uploads/images/' . $path);
+        if (!file_exists($path)) {
+            abort(404);
+        }
+
+        return response()->file($path);
+    }
 
     /**
-     * Get all images, Paginated
+     * Get all images for a specific type, Paginated
+     * @param string $type
      * @param int $page
      * @return \Illuminate\Http\JsonResponse
      */
-    public function getAll($page = 0)
+    public function getAllByType($type, $page = 0)
     {
-        $pageSize = 30;
-        $images = $this->image->orderBy('created_at', 'desc')
-            ->skip($page * $pageSize)->take($pageSize)->get();
-        foreach ($images as $image) {
-            $this->loadSizes($image);
-        }
-        $hasMore = $this->image->orderBy('created_at', 'desc')
-                ->skip(($page + 1) * $pageSize)->take($pageSize)->count() > 0;
-        return response()->json([
-            'images' => $images,
-            'hasMore' => $hasMore
+        $imgData = $this->imageRepo->getPaginatedByType($type, $page);
+        return response()->json($imgData);
+    }
+
+    /**
+     * Search through images within a particular type.
+     * @param $type
+     * @param int $page
+     * @param Request $request
+     * @return mixed
+     */
+    public function searchByType(Request $request, $type, $page = 0)
+    {
+        $this->validate($request, [
+            'term' => 'required|string'
         ]);
+
+        $searchTerm = $request->get('term');
+        $imgData = $this->imageRepo->searchPaginatedByType($type, $searchTerm, $page, 24);
+        return response()->json($imgData);
     }
 
     /**
-     * Loads the standard thumbnail sizes for an image.
-     * @param Image $image
+     * Get all images for a user.
+     * @param int $page
+     * @return \Illuminate\Http\JsonResponse
      */
-    private function loadSizes(Image $image)
+    public function getAllForUserType($page = 0)
     {
-        $image->thumbnail = $this->getThumbnail($image, 150, 150);
-        $image->display = $this->getThumbnail($image, 840, 0, true);
+        $imgData = $this->imageRepo->getPaginatedByType('user', $page, 24, $this->currentUser->id);
+        return response()->json($imgData);
     }
 
     /**
-     * Get the thumbnail for an image.
-     * If $keepRatio is true only the width will be used.
-     * @param      $image
-     * @param int  $width
-     * @param int  $height
-     * @param bool $keepRatio
-     * @return string
+     * Get gallery images with a specific filter such as book or page
+     * @param $filter
+     * @param int $page
+     * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
      */
-    public function getThumbnail($image, $width = 220, $height = 220, $keepRatio = false)
+    public function getGalleryFiltered(Request $request, $filter, $page = 0)
     {
-        $explodedPath = explode('/', $image->url);
-        $dirPrefix = $keepRatio ? 'scaled-' : 'thumbs-';
-        array_splice($explodedPath, 4, 0, [$dirPrefix . $width . '-' . $height]);
-        $thumbPath = implode('/', $explodedPath);
-        $thumbFilePath = public_path() . $thumbPath;
-
-        // Return the thumbnail url path if already exists
-        if (file_exists($thumbFilePath)) {
-            return $thumbPath;
-        }
+        $this->validate($request, [
+            'page_id' => 'required|integer'
+        ]);
 
-        // Otherwise create the thumbnail
-        $thumb = ImageTool::make(public_path() . $image->url);
-        if($keepRatio) {
-            $thumb->resize($width, null, function ($constraint) {
-                $constraint->aspectRatio();
-                $constraint->upsize();
-            });
-        } else {
-            $thumb->fit($width, $height);
+        $validFilters = collect(['page', 'book']);
+        if (!$validFilters->contains($filter)) {
+            return response('Invalid filter', 500);
         }
 
-        // Create thumbnail folder if it does not exist
-        if (!file_exists(dirname($thumbFilePath))) {
-            mkdir(dirname($thumbFilePath), 0775, true);
-        }
+        $pageId = $request->get('page_id');
+        $imgData = $this->imageRepo->getGalleryFiltered(strtolower($filter), $pageId, $page, 24);
 
-        //Save Thumbnail
-        $thumb->save($thumbFilePath);
-        return $thumbPath;
+        return response()->json($imgData);
     }
 
     /**
      * Handles image uploads for use on pages.
+     * @param string $type
      * @param Request $request
      * @return \Illuminate\Http\JsonResponse
+     * @throws \Exception
      */
-    public function upload(Request $request)
+    public function uploadByType($type, Request $request)
     {
-        $this->checkPermission('image-create');
+        $this->checkPermission('image-create-all');
         $this->validate($request, [
-            'file' => 'image|mimes:jpeg,gif,png'
+            'file' => 'is_image'
         ]);
+
+        if (!$this->imageRepo->isValidType($type)) {
+            return $this->jsonError(trans('errors.image_upload_type_error'));
+        }
+
         $imageUpload = $request->file('file');
 
-        $name = str_replace(' ', '-', $imageUpload->getClientOriginalName());
-        $storageName = substr(sha1(time()), 0, 10) . '-' . $name;
-        $imagePath = '/uploads/images/' . Date('Y-m-M') . '/';
-        $storagePath = public_path() . $imagePath;
-        $fullPath = $storagePath . $storageName;
-        while (file_exists($fullPath)) {
-            $storageName = substr(sha1(rand()), 0, 3) . $storageName;
-            $fullPath = $storagePath . $storageName;
+        try {
+            $uploadedTo = $request->get('uploaded_to', 0);
+            $image = $this->imageRepo->saveNew($imageUpload, $type, $uploadedTo);
+        } catch (ImageUploadException $e) {
+            return response($e->getMessage(), 500);
+        }
+
+
+        return response()->json($image);
+    }
+
+    /**
+     * Upload a drawing to the system.
+     * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
+     */
+    public function uploadDrawing(Request $request)
+    {
+        $this->validate($request, [
+            'image' => 'required|string',
+            'uploaded_to' => 'required|integer'
+        ]);
+        $this->checkPermission('image-create-all');
+        $imageBase64Data = $request->get('image');
+
+        try {
+            $uploadedTo = $request->get('uploaded_to', 0);
+            $image = $this->imageRepo->saveDrawing($imageBase64Data, $uploadedTo);
+        } catch (ImageUploadException $e) {
+            return response($e->getMessage(), 500);
+        }
+
+        return response()->json($image);
+    }
+
+    /**
+     * Replace the data content of a drawing.
+     * @param string $id
+     * @param Request $request
+     * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\JsonResponse|\Symfony\Component\HttpFoundation\Response
+     */
+    public function replaceDrawing(string $id, Request $request)
+    {
+        $this->validate($request, [
+            'image' => 'required|string'
+        ]);
+        $this->checkPermission('image-create-all');
+
+        $imageBase64Data = $request->get('image');
+        $image = $this->imageRepo->getById($id);
+        $this->checkOwnablePermission('image-update', $image);
+
+        try {
+            $image = $this->imageRepo->replaceDrawingContent($image, $imageBase64Data);
+        } catch (ImageUploadException $e) {
+            return response($e->getMessage(), 500);
+        }
+
+        return response()->json($image);
+    }
+
+    /**
+     * Get the content of an image based64 encoded.
+     * @param $id
+     * @return \Illuminate\Http\JsonResponse|mixed
+     */
+    public function getBase64Image($id)
+    {
+        $image = $this->imageRepo->getById($id);
+        $imageData = $this->imageRepo->getImageData($image);
+        if ($imageData === null) {
+            return $this->jsonError("Image data could not be found");
         }
-        $imageUpload->move($storagePath, $storageName);
-        // Create and save image object
-        $this->image->name = $name;
-        $this->image->url = $imagePath . $storageName;
-        $this->image->created_by = auth()->user()->id;
-        $this->image->updated_by = auth()->user()->id;
-        $this->image->save();
-        $this->loadSizes($this->image);
-        return response()->json($this->image);
+        return response()->json([
+            'content' => base64_encode($imageData)
+        ]);
+    }
+
+    /**
+     * Generate a sized thumbnail for an image.
+     * @param $id
+     * @param $width
+     * @param $height
+     * @param $crop
+     * @return \Illuminate\Http\JsonResponse
+     * @throws ImageUploadException
+     * @throws \Exception
+     */
+    public function getThumbnail($id, $width, $height, $crop)
+    {
+        $this->checkPermission('image-create-all');
+        $image = $this->imageRepo->getById($id);
+        $thumbnailUrl = $this->imageRepo->getThumbnail($image, $width, $height, $crop == 'false');
+        return response()->json(['url' => $thumbnailUrl]);
     }
 
     /**
      * Update image details
-     * @param         $imageId
+     * @param integer $imageId
      * @param Request $request
      * @return \Illuminate\Http\JsonResponse
+     * @throws ImageUploadException
+     * @throws \Exception
      */
     public function update($imageId, Request $request)
     {
-        $this->checkPermission('image-update');
         $this->validate($request, [
             'name' => 'required|min:2|string'
         ]);
-        $image = $this->image->findOrFail($imageId);
-        $image->fill($request->all());
-        $image->save();
-        $this->loadSizes($image);
-        return response()->json($this->image);
+        $image = $this->imageRepo->getById($imageId);
+        $this->checkOwnablePermission('image-update', $image);
+        $image = $this->imageRepo->updateImageDetails($image, $request->all());
+        return response()->json($image);
     }
 
     /**
      * Deletes an image and all thumbnail/image files
-     * @param PageRepo $pageRepo
-     * @param Request  $request
-     * @param int      $id
+     * @param EntityRepo $entityRepo
+     * @param Request $request
+     * @param int $id
      * @return \Illuminate\Http\JsonResponse
      */
-    public function destroy(PageRepo $pageRepo, Request $request, $id)
+    public function destroy(EntityRepo $entityRepo, Request $request, $id)
     {
-        $this->checkPermission('image-delete');
-        $image = $this->image->findOrFail($id);
+        $image = $this->imageRepo->getById($id);
+        $this->checkOwnablePermission('image-delete', $image);
 
         // Check if this image is used on any pages
-        $pageSearch = $pageRepo->searchForImage($image->url);
-        $isForced = ($request->has('force') && ($request->get('force') === 'true') || $request->get('force') === true);
-        if ($pageSearch !== false && !$isForced) {
-            return response()->json($pageSearch, 400);
-        }
-
-        // Delete files
-        $folder = public_path() . dirname($image->url);
-        $fileName = basename($image->url);
-
-        // Delete thumbnails
-        foreach (glob($folder . '/*') as $file) {
-            if (is_dir($file)) {
-                $thumbName = $file . '/' . $fileName;
-                if (file_exists($file)) {
-                    unlink($thumbName);
-                }
-                // Remove thumb folder if empty
-                if (count(glob($file . '/*')) === 0) {
-                    rmdir($file);
-                }
+        $isForced = in_array($request->get('force', ''), [true, 'true']);
+        if (!$isForced) {
+            $pageSearch = $entityRepo->searchForImage($image->url);
+            if ($pageSearch !== false) {
+                return response()->json($pageSearch, 400);
             }
         }
 
-        // Delete file and database entry
-        unlink($folder . '/' . $fileName);
-        $image->delete();
-
-        // Delete parent folder if empty
-        if (count(glob($folder . '/*')) === 0) {
-            rmdir($folder);
-        }
-        return response()->json('Image Deleted');
+        $this->imageRepo->destroyImage($image);
+        return response()->json(trans('components.images_deleted'));
     }
-
-
 }