X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/14ca31768cdc79e06a4ab4c74bb650a37bff4eb5..refs/pull/63/head:/app/Services/ImageService.php

diff --git a/app/Services/ImageService.php b/app/Services/ImageService.php
index 600c85a24..47c27cd0a 100644
--- a/app/Services/ImageService.php
+++ b/app/Services/ImageService.php
@@ -1,7 +1,10 @@
 <?php namespace BookStack\Services;
 
+use BookStack\Exceptions\ImageUploadException;
 use BookStack\Image;
 use BookStack\User;
+use Exception;
+use Intervention\Image\Exception\NotSupportedException;
 use Intervention\Image\ImageManager;
 use Illuminate\Contracts\Filesystem\Factory as FileSystem;
 use Illuminate\Contracts\Filesystem\Filesystem as FileSystemInstance;
@@ -71,6 +74,7 @@ class ImageService
      * @param string $imageData
      * @param string $type
      * @return Image
+     * @throws ImageUploadException
      */
     private function saveNew($imageName, $imageData, $type)
     {
@@ -86,17 +90,26 @@ class ImageService
         }
         $fullPath = $imagePath . $imageName;
 
-        $storage->put($fullPath, $imageData);
+        try {
+            $storage->put($fullPath, $imageData);
+        } catch (Exception $e) {
+            throw new ImageUploadException('Image Path ' . $fullPath . ' is not writable by the server.');
+        }
 
-        $userId = auth()->user()->id;
-        $image = Image::forceCreate([
+        $imageDetails = [
             'name'       => $imageName,
             'path'       => $fullPath,
             'url'        => $this->getPublicUrl($fullPath),
-            'type'       => $type,
-            'created_by' => $userId,
-            'updated_by' => $userId
-        ]);
+            'type'       => $type
+        ];
+
+        if (auth()->user() && auth()->user()->id !== 0) {
+            $userId = auth()->user()->id;
+            $imageDetails['created_by'] = $userId;
+            $imageDetails['updated_by'] = $userId;
+        }
+
+        $image = Image::forceCreate($imageDetails);
 
         return $image;
     }
@@ -107,10 +120,12 @@ class ImageService
      * Checks the cache then storage to avoid creating / accessing the filesystem on every check.
      *
      * @param Image $image
-     * @param int   $width
-     * @param int   $height
-     * @param bool  $keepRatio
+     * @param int $width
+     * @param int $height
+     * @param bool $keepRatio
      * @return string
+     * @throws Exception
+     * @throws ImageUploadException
      */
     public function getThumbnail(Image $image, $width = 220, $height = 220, $keepRatio = false)
     {
@@ -127,8 +142,16 @@ class ImageService
             return $this->getPublicUrl($thumbFilePath);
         }
 
-        // Otherwise create the thumbnail
-        $thumb = $this->imageTool->make($storage->get($image->path));
+        try {
+            $thumb = $this->imageTool->make($storage->get($image->path));
+        } catch (Exception $e) {
+            if ($e instanceof \ErrorException || $e instanceof NotSupportedException) {
+                throw new ImageUploadException('The server cannot create thumbnails. Please check you have the GD PHP extension installed.');
+            } else {
+                throw $e;
+            }
+        }
+
         if ($keepRatio) {
             $thumb->resize($width, null, function ($constraint) {
                 $constraint->aspectRatio();
@@ -188,6 +211,7 @@ class ImageService
         $imageName = str_replace(' ', '-', $user->name . '-gravatar.png');
         $image = $this->saveNewFromUrl($url, 'user', $imageName);
         $image->created_by = $user->id;
+        $image->updated_by = $user->id;
         $image->save();
         return $image;
     }