diff --git a/synapse/visibility.py b/synapse/visibility.py
index 527365498e..f2836ba9f0 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -12,11 +12,15 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-
import logging
import operator
-from synapse.api.constants import AccountDataTypes, EventTypes, Membership
+from synapse.api.constants import (
+ AccountDataTypes,
+ EventTypes,
+ HistoryVisibility,
+ Membership,
+)
from synapse.events.utils import prune_event
from synapse.storage import Storage
from synapse.storage.state import StateFilter
@@ -25,7 +29,12 @@ from synapse.types import get_domain_from_id
logger = logging.getLogger(__name__)
-VISIBILITY_PRIORITY = ("world_readable", "shared", "invited", "joined")
+VISIBILITY_PRIORITY = (
+ HistoryVisibility.WORLD_READABLE,
+ HistoryVisibility.SHARED,
+ HistoryVisibility.INVITED,
+ HistoryVisibility.JOINED,
+)
MEMBERSHIP_PRIORITY = (
@@ -150,12 +159,14 @@ async def filter_events_for_client(
# get the room_visibility at the time of the event.
visibility_event = state.get((EventTypes.RoomHistoryVisibility, ""), None)
if visibility_event:
- visibility = visibility_event.content.get("history_visibility", "shared")
+ visibility = visibility_event.content.get(
+ "history_visibility", HistoryVisibility.SHARED
+ )
else:
- visibility = "shared"
+ visibility = HistoryVisibility.SHARED
if visibility not in VISIBILITY_PRIORITY:
- visibility = "shared"
+ visibility = HistoryVisibility.SHARED
# Always allow history visibility events on boundaries. This is done
# by setting the effective visibility to the least restrictive
@@ -165,7 +176,7 @@ async def filter_events_for_client(
prev_visibility = prev_content.get("history_visibility", None)
if prev_visibility not in VISIBILITY_PRIORITY:
- prev_visibility = "shared"
+ prev_visibility = HistoryVisibility.SHARED
new_priority = VISIBILITY_PRIORITY.index(visibility)
old_priority = VISIBILITY_PRIORITY.index(prev_visibility)
@@ -210,17 +221,17 @@ async def filter_events_for_client(
# otherwise, it depends on the room visibility.
- if visibility == "joined":
+ if visibility == HistoryVisibility.JOINED:
# we weren't a member at the time of the event, so we can't
# see this event.
return None
- elif visibility == "invited":
+ elif visibility == HistoryVisibility.INVITED:
# user can also see the event if they were *invited* at the time
# of the event.
return event if membership == Membership.INVITE else None
- elif visibility == "shared" and is_peeking:
+ elif visibility == HistoryVisibility.SHARED and is_peeking:
# if the visibility is shared, users cannot see the event unless
# they have *subequently* joined the room (or were members at the
# time, of course)
@@ -284,8 +295,10 @@ async def filter_events_for_server(
def check_event_is_visible(event, state):
history = state.get((EventTypes.RoomHistoryVisibility, ""), None)
if history:
- visibility = history.content.get("history_visibility", "shared")
- if visibility in ["invited", "joined"]:
+ visibility = history.content.get(
+ "history_visibility", HistoryVisibility.SHARED
+ )
+ if visibility in [HistoryVisibility.INVITED, HistoryVisibility.JOINED]:
# We now loop through all state events looking for
# membership states for the requesting server to determine
# if the server is either in the room or has been invited
@@ -305,7 +318,7 @@ async def filter_events_for_server(
if memtype == Membership.JOIN:
return True
elif memtype == Membership.INVITE:
- if visibility == "invited":
+ if visibility == HistoryVisibility.INVITED:
return True
else:
# server has no users in the room: redact
@@ -336,7 +349,8 @@ async def filter_events_for_server(
else:
event_map = await storage.main.get_events(visibility_ids)
all_open = all(
- e.content.get("history_visibility") in (None, "shared", "world_readable")
+ e.content.get("history_visibility")
+ in (None, HistoryVisibility.SHARED, HistoryVisibility.WORLD_READABLE)
for e in event_map.values()
)
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