1 files changed, 36 insertions, 5 deletions

diff --git a/inc/poche/Tools.class.php b/inc/poche/Tools.class.php
index 762e4446..63137d76 100755
--- a/inc/poche/Tools.class.php
+++ b/inc/poche/Tools.class.php
@@ -10,11 +10,6 @@
 
 final class Tools
 {
-    private function __construct()
-    {
-
-    }
-
     /**
      * Initialize PHP environment
      */
@@ -393,4 +388,40 @@ final class Tools
         return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH']==='XMLHttpRequest';
     }
 
+    /*
+     * Empty cache folder
+     */
+    public static function emptyCache()
+    {
+        $files = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS),
+            RecursiveIteratorIterator::CHILD_FIRST
+        );
+
+        foreach ($files as $fileInfo) {
+            $todo = ($fileInfo->isDir() ? 'rmdir' : 'unlink');
+            $todo($fileInfo->getRealPath());
+        }
+
+        Tools::logm('empty cache');
+        Tools::redirect();
+    }
+
+    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);
+    }
+
 }