- Fix incorrect cache ttl used in get_cache_engine() (#1488447)

program/include/rcmail.php

@@ -966,7 +966,7 @@ class rcmail
       $_SESSION['storage_port'] = $port;
       $_SESSION['storage_ssl']  = $ssl;
       $_SESSION['password']     = $this->encrypt($pass);
-      $_SESSION['login_time']   = mktime();
+      $_SESSION['login_time']   = time();
 
       if (isset($_REQUEST['_timezone']) && $_REQUEST['_timezone'] != '_default_')
         $_SESSION['timezone'] = floatval($_REQUEST['_timezone']);

program/include/rcube_imap.php

@@ -3531,7 +3531,8 @@ class rcube_imap extends rcube_storage
     {
         if ($this->caching && !$this->cache) {
             $rcmail = rcmail::get_instance();
-            $ttl = $rcmail->config->get('message_cache_lifetime', '10d') - mktime();
+            $ttl = $rcmail->config->get('message_cache_lifetime', '10d');
+            $ttl = get_offset_time($ttl) - time();
             $this->cache = $rcmail->get_cache('IMAP', $this->caching, $ttl);
         }
 

program/include/rcube_shared.inc

@@ -66,7 +66,7 @@ function send_future_expire_header($offset=2600000)
   if (headers_sent())
     return;
 
-  header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+$offset)." GMT");
+  header("Expires: ".gmdate("D, d M Y H:i:s", time()+$offset)." GMT");
   header("Cache-Control: max-age=$offset");
   header("Pragma: ");
 }
@@ -299,7 +299,7 @@ function get_offset_time($offset_str, $factor=1)
     $unit = 's';
   }
 
-  $ts = mktime();
+  $ts = time();
   switch ($unit)
   {
     case 'w':