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-rw-r--r--lib/response.php4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/response.php b/lib/response.php
index e1b808bf..ceaf32c5 100644
--- a/lib/response.php
+++ b/lib/response.php
@@ -125,7 +125,9 @@ class Response
public function hsts()
{
- header('Strict-Transport-Security: max-age=31536000');
+ if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') {
+ header('Strict-Transport-Security: max-age=31536000');
+ }
}
public function xframe($mode = 'DENY', array $urls = array())