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cleanup

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This commit is contained in:
Bruno Windels 2021-10-22 17:45:55 +02:00
parent 45dc2162dc
commit 2ddb3fbf72
1 changed files with 7 additions and 18 deletions
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25
src/matrix/e2ee/megolm/decryption/KeyLoader.ts
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@ -14,10 +14,15 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import {SessionCache} from "./SessionCache";
import {IRoomKey, isBetterThan} from "./RoomKey";
import {BaseLRUCache} from "../../../../utils/LRUCache";
export declare class OlmDecryptionResult {
readonly plaintext: string;
readonly message_index: number;
}
export declare class OlmInboundGroupSession {
constructor();
free(): void;
@ -25,34 +30,18 @@ export declare class OlmInboundGroupSession {
unpickle(key: string | Uint8Array, pickle: string);
create(session_key: string): string;
import_session(session_key: string): string;
decrypt(message: string): object;
decrypt(message: string): OlmDecryptionResult;
session_id(): string;
first_known_index(): number;
export_session(message_index: number): string;
}
// this is what cache.get(...) should return
function findIndexBestForSession(ops: KeyOperation[], roomId: string, senderKey: string, sessionId: string): number {
return ops.reduce((bestIdx, op, i, arr) => {
const bestOp = bestIdx === -1 ? undefined : arr[bestIdx];
if (op.isForSameSession(roomId, senderKey, sessionId)) {
if (!bestOp || op.isBetter(bestOp)) {
return i;
}
}
return bestIdx;
}, -1);
}
/*
Because Olm only has very limited memory available when compiled to wasm,
we limit the amount of sessions held in memory.
*/
export class KeyLoader extends BaseLRUCache<KeyOperation> {
private runningOps: Set<KeyOperation>;
private unusedOps: Set<KeyOperation>;
private pickleKey: string;
private olm: any;
private resolveUnusedOperation?: () => void;