From 89feb0ae03c5a492526df077b2a3b382b0428ca8 Mon Sep 17 00:00:00 2001
From: phecho <phecho@163.com>
Date: Tue, 13 Dec 2016 19:49:16 +0800
Subject: Implement feature #2843

---
 app/Controller/FileViewerController.php | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'app/Controller/FileViewerController.php')

diff --git a/app/Controller/FileViewerController.php b/app/Controller/FileViewerController.php
index 518f5b0b..3e0182ba 100644
--- a/app/Controller/FileViewerController.php
+++ b/app/Controller/FileViewerController.php
@@ -82,6 +82,31 @@ class FileViewerController extends BaseController
         }
     }
 
+    /**
+     * Display file in browser
+     *
+     * @access public
+     */
+    public function browser()
+    {
+        $file = $this->getFile();
+        $etag = md5($file['path']);
+        $this->response->withContentType($this->helper->file->getBrowserViewType($file['name']));
+        $this->response->withCache(5 * 86400, $etag);
+
+        if ($this->request->getHeader('If-None-Match') === '"'.$etag.'"') {
+            $this->response->status(304);
+        } else {
+
+            try {
+                $this->response->send();
+                $this->objectStorage->output($file['path']);
+            } catch (ObjectStorageException $e) {
+                $this->logger->error($e->getMessage());
+            }
+        }
+    }
+
     /**
      * Display image thumbnail
      *
-- 
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