BookStack/app/Http/Controllers/ImageController.php

247 lines
7.3 KiB
PHP

<?php namespace BookStack\Http\Controllers;
use BookStack\Entities\Repos\EntityRepo;
use BookStack\Exceptions\ImageUploadException;
use BookStack\Repos\PageRepo;
use BookStack\Uploads\Image;
use BookStack\Uploads\ImageRepo;
use Illuminate\Filesystem\Filesystem as File;
use Illuminate\Http\Request;
class ImageController extends Controller
{
protected $image;
protected $file;
protected $imageRepo;
/**
* ImageController constructor.
* @param Image $image
* @param File $file
* @param ImageRepo $imageRepo
*/
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 for a specific type, Paginated
* @param string $type
* @param int $page
* @return \Illuminate\Http\JsonResponse
*/
public function getAllByType($type, $page = 0)
{
$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);
}
/**
* Get all images for a user.
* @param int $page
* @return \Illuminate\Http\JsonResponse
*/
public function getAllForUserType($page = 0)
{
$imgData = $this->imageRepo->getPaginatedByType('user', $page, 24, $this->currentUser->id);
return response()->json($imgData);
}
/**
* 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 getGalleryFiltered(Request $request, $filter, $page = 0)
{
$this->validate($request, [
'page_id' => 'required|integer'
]);
$validFilters = collect(['page', 'book']);
if (!$validFilters->contains($filter)) {
return response('Invalid filter', 500);
}
$pageId = $request->get('page_id');
$imgData = $this->imageRepo->getGalleryFiltered(strtolower($filter), $pageId, $page, 24);
return response()->json($imgData);
}
/**
* Handles image uploads for use on pages.
* @param string $type
* @param Request $request
* @return \Illuminate\Http\JsonResponse
* @throws \Exception
*/
public function uploadByType($type, Request $request)
{
$this->checkPermission('image-create-all');
$this->validate($request, [
'file' => 'image_extension|no_double_extension|mimes:jpeg,png,gif,bmp,webp,tiff'
]);
if (!$this->imageRepo->isValidType($type)) {
return $this->jsonError(trans('errors.image_upload_type_error'));
}
$imageUpload = $request->file('file');
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);
}
/**
* 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 $this->jsonError("Image data could not be found");
}
return response()->json([
'content' => base64_encode($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 integer $imageId
* @param Request $request
* @return \Illuminate\Http\JsonResponse
* @throws ImageUploadException
* @throws \Exception
*/
public function update($imageId, Request $request)
{
$this->validate($request, [
'name' => 'required|min:2|string'
]);
$image = $this->imageRepo->getById($imageId);
$this->checkOwnablePermission('image-update', $image);
$image = $this->imageRepo->updateImageDetails($image, $request->all());
return response()->json($image);
}
/**
* Show the usage of an image on pages.
* @param \BookStack\Entities\Repos\EntityRepo $entityRepo
* @param $id
* @return \Illuminate\Http\JsonResponse
*/
public function usage(EntityRepo $entityRepo, $id)
{
$image = $this->imageRepo->getById($id);
$pageSearch = $entityRepo->searchForImage($image->url);
return response()->json($pageSearch);
}
/**
* Deletes an image and all thumbnail/image files
* @param int $id
* @return \Illuminate\Http\JsonResponse
* @throws \Exception
*/
public function destroy($id)
{
$image = $this->imageRepo->getById($id);
$this->checkOwnablePermission('image-delete', $image);
$this->imageRepo->destroyImage($image);
return response()->json(trans('components.images_deleted'));
}
}