diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/lib/Providers/Time/HttpTimeProvider.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/lib/Providers/Time/HttpTimeProvider.php
new file mode 100644
index 0000000..8e7806e
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/lib/Providers/Time/HttpTimeProvider.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace RobThree\Auth\Providers\Time;
+
+/**
+ * Takes the time from any webserver by doing a HEAD request on the specified URL and extracting the 'Date:' header
+ */
+class HttpTimeProvider implements ITimeProvider
+{
+    public $url;
+    public $options;
+    public $expectedtimeformat;
+
+    function __construct($url = 'https://google.com', $expectedtimeformat = 'D, d M Y H:i:s O+', array $options = null)
+    {
+        $this->url = $url;
+        $this->expectedtimeformat = $expectedtimeformat;
+        $this->options = $options;
+        if ($this->options === null) {
+            $this->options = array(
+                'http' => array(
+                    'method' => 'HEAD',
+                    'follow_location' => false,
+                    'ignore_errors' => true,
+                    'max_redirects' => 0,
+                    'request_fulluri' => true,
+                    'header' => array(
+                        'Connection: close',
+                        'User-agent: TwoFactorAuth HttpTimeProvider (https://github.com/RobThree/TwoFactorAuth)',
+                        'Cache-Control: no-cache'
+                    )
+                )
+            );
+        }
+    }
+
+    public function getTime() {
+        try {
+            $context  = stream_context_create($this->options);
+            $fd = fopen($this->url, 'rb', false, $context);
+            $headers = stream_get_meta_data($fd);
+            fclose($fd);
+
+            foreach ($headers['wrapper_data'] as $h) {
+                if (strcasecmp(substr($h, 0, 5), 'Date:') === 0)
+                    return \DateTime::createFromFormat($this->expectedtimeformat, trim(substr($h,5)))->getTimestamp();
+            }
+            throw new \TimeException(sprintf('Unable to retrieve time from %s (Invalid or no "Date:" header found)', $this->url));
+        }
+        catch (Exception $ex) {
+            throw new \TimeException(sprintf('Unable to retrieve time from %s (%s)', $this->url, $ex->getMessage()));
+        }
+    }
+}
\ No newline at end of file