logic for whether a key should be shared by membership and h. visibility

This commit is contained in:
Bruno Windels 2022-07-22 17:46:53 +02:00
parent f337940202
commit 86c0e9e669

View File

@ -69,3 +69,28 @@ export function createRoomEncryptionEvent() {
}
}
}
// Use enum when converting to TS
export const HistoryVisibility = Object.freeze({
Joined: "joined",
Invited: "invited",
WorldReadable: "world_readable",
Shared: "shared",
});
export function shouldShareKey(membership, historyVisibility) {
switch (historyVisibility) {
case HistoryVisibility.WorldReadable:
return true;
case HistoryVisibility.Shared:
// was part of room at some time
return membership !== undefined;
case HistoryVisibility.Joined:
return membership === "join";
case HistoryVisibility.Invited:
return membership === "invite" || membership === "join";
default:
return false;
}
}