fix(web): fix empty trailer parsing causing infinite parser loop

hyperium · Aug 22, 2024 · 315c9c2 · 315c9c2
1 parent 46d8c2d
commit 315c9c2
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/tonic-web/src/call.rs b/tonic-web/src/call.rs
@@ -305,7 +305,10 @@ where
                     }
                     FindTrailers::IncompleteBuf => continue,
                     FindTrailers::Done(len) => {
-                        Poll::Ready(Some(Ok(Frame::data(buf.split_to(len).freeze()))))
+                        Poll::Ready(match len {
+                            0 => None,
+                            _ => Some(Ok(Frame::data(buf.split_to(len).freeze()))),
+                        })
                     }
                 };
             }