setting csrf token duration to 12 hours

src/forward.rs

@@ -367,7 +367,7 @@ fn web_redir(location: &str) -> HttpResponse {
 pub async fn index(req: HttpRequest) -> Result<HttpResponse, TrainCrash> {
 
     let seed = AesGcmCsrfProtection::from_key(get_csrf_key());
-    let (csrf_token, csrf_cookie) = seed.generate_token_pair(None, 300)
+    let (csrf_token, csrf_cookie) = seed.generate_token_pair(None, 43200)
         .expect("couldn't generate token/cookie pair");
 
     Ok(HttpResponse::Ok()