From 12aa5a7fa761a729364d324405a033cf78da26de Mon Sep 17 00:00:00 2001
From: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Date: Fri, 27 Mar 2020 13:30:22 +0000
Subject: [PATCH] Ensure is_verified on /_matrix/client/r0/room_keys/keys is a
 boolean (#7150)

---
 changelog.d/7150.bugfix                           | 1 +
 synapse/rest/client/v2_alpha/room_keys.py         | 2 +-
 synapse/storage/data_stores/main/e2e_room_keys.py | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 changelog.d/7150.bugfix

diff --git a/changelog.d/7150.bugfix b/changelog.d/7150.bugfix
new file mode 100644
index 000000000000..1feb294799a9
--- /dev/null
+++ b/changelog.d/7150.bugfix
@@ -0,0 +1 @@
+Ensure `is_verified` is a boolean in responses to `GET /_matrix/client/r0/room_keys/keys`. Also warn the user if they forgot the `version` query param.
\ No newline at end of file
diff --git a/synapse/rest/client/v2_alpha/room_keys.py b/synapse/rest/client/v2_alpha/room_keys.py
index 38952a1d276a..59529707dfa2 100644
--- a/synapse/rest/client/v2_alpha/room_keys.py
+++ b/synapse/rest/client/v2_alpha/room_keys.py
@@ -188,7 +188,7 @@ async def on_GET(self, request, room_id, session_id):
         """
         requester = await self.auth.get_user_by_req(request, allow_guest=False)
         user_id = requester.user.to_string()
-        version = parse_string(request, "version")
+        version = parse_string(request, "version", required=True)
 
         room_keys = await self.e2e_room_keys_handler.get_room_keys(
             user_id, version, room_id, session_id
diff --git a/synapse/storage/data_stores/main/e2e_room_keys.py b/synapse/storage/data_stores/main/e2e_room_keys.py
index 84594cf0a9bc..23f4570c4b3e 100644
--- a/synapse/storage/data_stores/main/e2e_room_keys.py
+++ b/synapse/storage/data_stores/main/e2e_room_keys.py
@@ -146,7 +146,8 @@ def get_e2e_room_keys(self, user_id, version, room_id=None, session_id=None):
             room_entry["sessions"][row["session_id"]] = {
                 "first_message_index": row["first_message_index"],
                 "forwarded_count": row["forwarded_count"],
-                "is_verified": row["is_verified"],
+                # is_verified must be returned to the client as a boolean
+                "is_verified": bool(row["is_verified"]),
                 "session_data": json.loads(row["session_data"]),
             }