From 43ef3e4e190b3b2b86f3ea1e5689e06f4ff61337 Mon Sep 17 00:00:00 2001
From: ivan <ivan@opensupports.com>
Date: Wed, 2 May 2018 21:40:44 -0300
Subject: [PATCH] [Fix issue #104] - Show image attachements on browser

---
 server/libs/FileDownloader.php | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/server/libs/FileDownloader.php b/server/libs/FileDownloader.php
index 6f49ca64..f8bc7435 100755
--- a/server/libs/FileDownloader.php
+++ b/server/libs/FileDownloader.php
@@ -19,9 +19,9 @@ class FileDownloader extends FileManager {
 
         if(file_exists($fullFilePath) && is_file($fullFilePath)) {
             header('Cache-control: private');
-            header('Content-Type: application/octet-stream');
-            header('Content-Length: '.filesize($fullFilePath));
-            header('Content-Disposition: filename='. $this->getFileName());
+            header('Content-Type: ' . $this->getFileContentType());
+            header('Content-Length: ' . filesize($fullFilePath));
+            header('Content-Disposition: filename=' . $this->getFileName());
 
             flush();
             $file = fopen($fullFilePath, 'r');
@@ -37,4 +37,18 @@ class FileDownloader extends FileManager {
     public function eraseFile() {
         unlink($this->getLocalPath() . $this->getFileName());
     }
-}
\ No newline at end of file
+
+    public function getFileContentType() {
+      $fileExtension = substr($this->getFileName(), -3);
+      $contentTypes = [
+        'jpg' => 'image/jpeg',
+        'gif' => 'image/fig',
+        'png' => 'image/png',
+        'default' => 'application/octet-stream',
+      ];
+
+      return $contentTypes[
+          array_key_exists($fileExtension, $contentTypes) ? $fileExtension : 'default'
+      ];
+    }
+}