knocking implementation

Signed-off-by: strawberry <strawberry@puppygock.gay>

add sync bit of knocking

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/rooms/timeline/mod.rs

@@ -498,14 +498,15 @@ impl Service {
 						.expect("This state_key was previously validated");
 
 					let content: RoomMemberEventContent = pdu.get_content()?;
-					let invite_state = match content.membership {
-						| MembershipState::Invite =>
+					let stripped_state = match content.membership {
+						| MembershipState::Invite | MembershipState::Knock =>
 							self.services.state.summary_stripped(pdu).await.into(),
 						| _ => None,
 					};
 
-					// Update our membership info, we do this here incase a user is invited
-					// and immediately leaves we need the DB to record the invite event for auth
+					// Update our membership info, we do this here incase a user is invited or
+					// knocked and immediately leaves we need the DB to record the invite or
+					// knock event for auth
 					self.services
 						.state_cache
 						.update_membership(
@@ -513,7 +514,7 @@ impl Service {
 							target_user_id,
 							content,
 							&pdu.sender,
-							invite_state,
+							stripped_state,
 							None,
 							true,
 						)