From 79db90f3fbafdf8198bb4f421898f2758f63c84c Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Tue, 23 Mar 2021 18:37:44 +0000
Subject: [PATCH] Capture panics

---
 internal/httputil/httpapi.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/internal/httputil/httpapi.go b/internal/httputil/httpapi.go
index f36e1c860..365bbe928 100644
--- a/internal/httputil/httpapi.go
+++ b/internal/httputil/httpapi.go
@@ -67,6 +67,15 @@ func MakeAuthAPI(
 			hub.Scope().SetTag("user_id", device.UserID)
 			hub.Scope().SetTag("device_id", device.ID)
 		}
+		defer func() {
+			if r := recover(); r != nil {
+				if hub != nil {
+					hub.CaptureException(fmt.Errorf("%s panicked", req.URL.Path))
+				}
+				// re-panic to return the 500
+				panic(r)
+			}
+		}()
 
 		jsonRes := f(req, device)
 		// do not log 4xx as errors as they are client fails, not server fails