diff options
Diffstat (limited to 'lib/base.php')
| -rw-r--r-- | lib/base.php | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/base.php b/lib/base.php index 6ea77aa7a58..34baba69d4c 100644 --- a/lib/base.php +++ b/lib/base.php @@ -213,6 +213,36 @@ class OC { } } + /* + * This function adds some security related headers to all requests + * served via base.php + * The implementation of this function as to happen here to ensure that + * all third-party components (e.g. SabreDAV) also benefit from this + * headers + */ + public static function addSecurityHeaders() { + header('X-XSS-Protection: 1; mode=block'); // Enforce browser based XSS filters + header('X-Content-Type-Options: nosniff'); // Disable sniffing the content type for IE + + // iFrame Restriction Policy + $xFramePolicy = OC_Config::getValue('xframe_restriction', true); + if($xFramePolicy) { + header('X-Frame-Options: Sameorigin'); // Disallow iFraming from other domains + } + + // Content Security Policy + // If you change the standard policy, please also change it in config.sample.php + $policy = OC_Config::getValue('custom_csp_policy', + 'default-src \'self\'; ' + .'script-src \'self\' \'unsafe-eval\'; ' + .'style-src \'self\' \'unsafe-inline\'; ' + .'frame-src *; ' + .'img-src *; ' + .'font-src \'self\' data:; ' + .'media-src *'); + header('Content-Security-Policy:'.$policy); + } + public static function checkSSL() { // redirect to https site if configured if (OC_Config::getValue("forcessl", false)) { @@ -512,6 +542,7 @@ class OC { self::checkConfig(); self::checkInstalled(); self::checkSSL(); + self::addSecurityHeaders(); $errors = OC_Util::checkServer(); if (count($errors) > 0) { |