1 files changed, 27 insertions, 0 deletions

diff --git a/src/Wallabag/CoreBundle/Tools/Utils.php b/src/Wallabag/CoreBundle/Tools/Utils.php
new file mode 100644
index 00000000..de97c796
--- /dev/null
+++ b/src/Wallabag/CoreBundle/Tools/Utils.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Wallabag\CoreBundle\Tools;
+
+class Utils
+{
+    /**
+     * Generate a token used for RSS
+     *
+     * @return string
+     */
+    public static function generateToken()
+    {
+        if (ini_get('open_basedir') === '') {
+            if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+                // alternative to /dev/urandom for Windows
+                $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
+            } else {
+                $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
+            }
+        } else {
+            $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
+        }
+
+        return str_replace('+', '', $token);
+    }
+}