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Return nullopt for state events in rooms we are not in

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This commit is contained in:
Nicolas Werner 2021-11-21 20:10:19 +01:00
parent a6e633cdab
commit 70592911a1
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GPG key ID: C8D75E610773F2D9
1 changed files with 33 additions and 33 deletions
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66
src/Cache_p.h
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@ -451,40 +451,40 @@ private:
const std::string &room_id, const std::string &room_id,
std::string_view state_key = "") std::string_view state_key = "")
{ {
constexpr auto type = mtx::events::state_content_to_type<T>;
static_assert(type != mtx::events::EventType::Unsupported,
"Not a supported type in state events.");
if (room_id.empty())
return std::nullopt;
const auto typeStr = to_string(type);
std::string_view value;
if (state_key.empty()) {
auto db = getStatesDb(txn, room_id);
if (!db.get(txn, typeStr, value)) {
return std::nullopt;
}
} else {
auto db = getStatesKeyDb(txn, room_id);
std::string d = json::object({{"key", state_key}}).dump();
std::string_view data = d;
std::string_view typeStrV = typeStr;
auto cursor = lmdb::cursor::open(txn, db);
if (!cursor.get(typeStrV, data, MDB_GET_BOTH))
return std::nullopt;
try {
auto eventsDb = getEventsDb(txn, room_id);
if (!eventsDb.get(txn, json::parse(data)["id"].get<std::string>(), value))
return std::nullopt;
} catch (std::exception &e) {
return std::nullopt;
}
}
try { try {
constexpr auto type = mtx::events::state_content_to_type<T>;
static_assert(type != mtx::events::EventType::Unsupported,
"Not a supported type in state events.");
if (room_id.empty())
return std::nullopt;
const auto typeStr = to_string(type);
std::string_view value;
if (state_key.empty()) {
auto db = getStatesDb(txn, room_id);
if (!db.get(txn, typeStr, value)) {
return std::nullopt;
}
} else {
auto db = getStatesKeyDb(txn, room_id);
std::string d = json::object({{"key", state_key}}).dump();
std::string_view data = d;
std::string_view typeStrV = typeStr;
auto cursor = lmdb::cursor::open(txn, db);
if (!cursor.get(typeStrV, data, MDB_GET_BOTH))
return std::nullopt;
try {
auto eventsDb = getEventsDb(txn, room_id);
if (!eventsDb.get(txn, json::parse(data)["id"].get<std::string>(), value))
return std::nullopt;
} catch (std::exception &e) {
return std::nullopt;
}
}
return json::parse(value).get<mtx::events::StateEvent<T>>(); return json::parse(value).get<mtx::events::StateEvent<T>>();
} catch (std::exception &e) { } catch (std::exception &e) {
return std::nullopt; return std::nullopt;