add 'inline' route to allow embedding uploads

This change adds an 'inline' route to uploads which sets the
'Content-Disposition' HTTP header to 'inline'. This allows modules to
embed and display uploads in an HTML 'embed' element.

app/Http/Controllers/Common/Uploads.php

@@ -34,6 +34,22 @@ class Uploads extends Controller
         return $this->streamMedia($media);
     }
 
+    public function inline($id)
+    {
+        try {
+            $media = Media::find($id);
+        } catch (\Exception $e) {
+            return response(null, 204);
+        }
+
+        // Get file path
+        if (!$this->getMediaPathOnStorage($media)) {
+            return response(null, 204);
+        }
+
+        return $this->streamMedia($media, 'inline');
+    }
+
     /**
      * Get the specified resource.
      *