Block long a-z chars sequences as well as numbers.

Signed-off-by: Arnout Kazemier <[email protected]>
3rd-Eden · Mar 21, 2017 · b18cf7c · b18cf7c
1 parent 50be8cb
commit b18cf7c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -417,8 +417,8 @@ function isSafe(userAgent) {
 
   for (var i = 0; i < userAgent.length; i++) {
     code = userAgent.charCodeAt(i);
-    // numbers between 0 and 9
-    if (code >= 48 && code <= 57) {
+    // numbers between 0 and 9, letters between a and z
+    if ((code >= 48 && code <= 57) || (code >= 97 && code <= 122)) {
       consecutive++;
     } else {
       consecutive = 0;