Include a simple message in email notifications that include encrypted content (#8545)

1 files changed, 11 insertions, 5 deletions

diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index 455a1acb46..155791b754 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -387,8 +387,8 @@ class Mailer:
         return ret
 
     async def get_message_vars(self, notif, event, room_state_ids):
-        if event.type != EventTypes.Message:
-            return
+        if event.type != EventTypes.Message and event.type != EventTypes.Encrypted:
+            return None
 
         sender_state_event_id = room_state_ids[("m.room.member", event.sender)]
         sender_state_event = await self.store.get_event(sender_state_event_id)
@@ -399,10 +399,8 @@ class Mailer:
         # sender_hash % the number of default images to choose from
         sender_hash = string_ordinal_total(event.sender)
 
-        msgtype = event.content.get("msgtype")
-
         ret = {
-            "msgtype": msgtype,
+            "event_type": event.type,
             "is_historical": event.event_id != notif["event_id"],
             "id": event.event_id,
             "ts": event.origin_server_ts,
@@ -411,6 +409,14 @@ class Mailer:
             "sender_hash": sender_hash,
         }
 
+        # Encrypted messages don't have any additional useful information.
+        if event.type == EventTypes.Encrypted:
+            return ret
+
+        msgtype = event.content.get("msgtype")
+
+        ret["msgtype"] = msgtype
+
         if msgtype == "m.text":
             self.add_text_message_vars(ret, event)
         elif msgtype == "m.image":