feat: ignore unparsable cookies in Cookie header

actix-web/src/request.rs

@@ -349,9 +349,9 @@ impl HttpRequest {
             let mut cookies = Vec::new();
             for hdr in self.headers().get_all(COOKIE) {
                 let s = str::from_utf8(hdr.as_bytes()).map_err(CookieParseError::from)?;
-                for cookie_str in s.split(';').map(|s| s.trim()) {
-                    if !cookie_str.is_empty() {
-                        cookies.push(Cookie::parse_encoded(cookie_str)?.into_owned());
+                for cookie_str in s.split(';').map(|s| s.trim()).filter(|s| !s.is_empty()) {
+                    if let Ok(cookie) = Cookie::parse_encoded(cookie_str) {
+                        cookies.push(cookie.into_owned());
                     }
                 }
             }
@@ -602,6 +602,22 @@ mod tests {
         assert!(cookie.is_none());
     }
 
+    #[test]
+    #[cfg(feature = "cookies")]
+    fn test_empty_key() {
+        let req = TestRequest::default()
+            .append_header((header::COOKIE, "cookie1=value1; value2; cookie3=value3"))
+            .to_http_request();
+        {
+            let cookies = req.cookies().unwrap();
+            assert_eq!(cookies.len(), 2);
+            assert_eq!(cookies[0].name(), "cookie1");
+            assert_eq!(cookies[0].value(), "value1");
+            assert_eq!(cookies[1].name(), "cookie3");
+            assert_eq!(cookies[1].value(), "value3");
+        }
+    }
+
     #[test]
     fn test_request_query() {
         let req = TestRequest::with_uri("/?id=test").to_http_request();