refactor: make cookies_should_be_secure public and add async-trait dependency

Author: zerox80

backend/Cargo.toml

@@ -13,6 +13,7 @@ categories = ["web-programming", "web-programming::http-server"]
 [dependencies]
 axum = "0.8"
 axum-extra = { version = "0.12", features = ["typed-header", "cookie"] }
+async-trait = "0.1"
 tokio = { version = "1", features = ["full"] }
 tower = "0.5"
 tower-http = { version = "0.6", features = ["cors", "limit"] }

backend/src/auth.rs

@@ -292,7 +292,7 @@ fn secret_has_min_entropy(secret: &str) -> bool {
 /// # Returns
 ///
 /// `true` if cookies should be secure, `false` otherwise.
-fn cookies_should_be_secure() -> bool {
+pub fn cookies_should_be_secure() -> bool {
     match env::var("AUTH_COOKIE_SECURE") {
         Ok(value) if value.trim().eq_ignore_ascii_case("false") => {
             tracing::warn!(