diff --git a/html/components/basic-func/external-libs.html b/html/components/basic-func/external-libs.html
index c3f74b8f..e69de29b 100644
--- a/html/components/basic-func/external-libs.html
+++ b/html/components/basic-func/external-libs.html
@@ -1 +0,0 @@
-<script src="../../bower_components/pako/dist/pako.js"></script>
diff --git a/includes/common_func.php b/includes/common_func.php
index 95f24086..62f69d0f 100644
--- a/includes/common_func.php
+++ b/includes/common_func.php
@@ -149,15 +149,20 @@ function getRequest() {
   // This function also needs to handle preflight for CORS
   if ($_SERVER['REQUEST_METHOD'] !== 'OPTIONS') {
     // This is not a CORS preflight request
-    if(isset($_SERVER['HTTP_CONTENT_TYPE'])) {
-      switch(explode('; ', strtolower($_SERVER['HTTP_CONTENT_TYPE']), 2)[0]) {
+    $contentType = isset($_SERVER['HTTP_CONTENT_TYPE'])
+      ? $_SERVER['HTTP_CONTENT_TYPE']
+      : isset($_SERVER['CONTENT_TYPE'])
+        ? $_SERVER['CONTENT_TYPE']
+        : '';
+    if($contentType) {
+      switch(explode('; ', strtolower($contentType), 2)[0]) {
         case 'application/json':
           return json_decode(file_get_contents('php://input'), true);
         case 'application/x-www-form-urlencoded':
         case 'multipart/form-data':
           return $_REQUEST;
         default:
-          error_log('Content-type not recognized: get \'' . $_SERVER['HTTP_CONTENT_TYPE'] . '\'');
+          error_log('Content-type not recognized: get \'' . $contentType . '\'');
           return file_get_contents('php://input');
       }
     } else {