From 0eb8d07e841ffe5c9fa38fe2b7c0914b62dc9413 Mon Sep 17 00:00:00 2001
From: kevinpoitra <pupkevin@gmail.com>
Date: Wed, 8 Jan 2020 02:20:26 -0600
Subject: [PATCH] Truncate any nanoseconds from a supplied `Duration` within
 `Cookie::set_max_age` to ensure two Cookies with the same amount whole
 seconds equate to one another

---
 actix-http/src/cookie/builder.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/actix-http/src/cookie/builder.rs b/actix-http/src/cookie/builder.rs
index 383c31b1c..c3820abf0 100644
--- a/actix-http/src/cookie/builder.rs
+++ b/actix-http/src/cookie/builder.rs
@@ -107,7 +107,9 @@ impl CookieBuilder {
     /// ```
     #[inline]
     pub fn max_age_time(mut self, value: Duration) -> CookieBuilder {
-        self.cookie.set_max_age(value);
+        // Truncate any nanoseconds from the Duration, as they aren't represented within `Max-Age`
+        // and would cause two otherwise identical `Cookie` instances to not be equivalent to one another.
+        self.cookie.set_max_age(Duration::seconds(value.whole_seconds()));
         self
     }