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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. limitations under the License.
*/ */
import {SessionCache} from "./SessionCache";
import {IRoomKey, isBetterThan} from "./RoomKey"; import {IRoomKey, isBetterThan} from "./RoomKey";
import {BaseLRUCache} from "../../../../utils/LRUCache"; import {BaseLRUCache} from "../../../../utils/LRUCache";
export declare class OlmDecryptionResult {
readonly plaintext: string;
readonly message_index: number;
}
export declare class OlmInboundGroupSession { export declare class OlmInboundGroupSession {
constructor(); constructor();
free(): void; free(): void;
@ -25,34 +30,18 @@ export declare class OlmInboundGroupSession {
unpickle(key: string | Uint8Array, pickle: string); unpickle(key: string | Uint8Array, pickle: string);
create(session_key: string): string; create(session_key: string): string;
import_session(session_key: string): string; import_session(session_key: string): string;
decrypt(message: string): object; decrypt(message: string): OlmDecryptionResult;
session_id(): string; session_id(): string;
first_known_index(): number; first_known_index(): number;
export_session(message_index: number): string; 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, Because Olm only has very limited memory available when compiled to wasm,
we limit the amount of sessions held in memory. we limit the amount of sessions held in memory.
*/ */
export class KeyLoader extends BaseLRUCache<KeyOperation> { export class KeyLoader extends BaseLRUCache<KeyOperation> {
private runningOps: Set<KeyOperation>;
private unusedOps: Set<KeyOperation>;
private pickleKey: string; private pickleKey: string;
private olm: any; private olm: any;
private resolveUnusedOperation?: () => void; private resolveUnusedOperation?: () => void;