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-rw-r--r--lib/base.php22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/base.php b/lib/base.php
index ebeec22088a..0ba028a68d2 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -264,8 +264,30 @@ class OC{
}
public static function initSession() {
+ // prevents javascript from accessing php session cookies
ini_set('session.cookie_httponly', '1;');
+
+ // (re)-initialize session
session_start();
+
+ // regenerate session id periodically to avoid session fixation
+ if (!isset($_SESSION['SID_CREATED'])) {
+ $_SESSION['SID_CREATED'] = time();
+ } else if (time() - $_SESSION['SID_CREATED'] > 900) {
+ session_regenerate_id(true);
+ $_SESSION['SID_CREATED'] = time();
+ }
+
+ // session timeout
+ if (isset($_SESSION['LAST_ACTIVITY']) && (time() - $_SESSION['LAST_ACTIVITY'] > 3600)) {
+ if (isset($_COOKIE[session_name()])) {
+ setcookie(session_name(), '', time() - 42000, '/');
+ }
+ session_unset();
+ session_destroy();
+ session_start();
+ }
+ $_SESSION['LAST_ACTIVITY'] = time();
}
public static function init() {