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Refactor key backup recovery to prepare for rust (#3708)

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* Refactor key backup recovery to prepare for rust

* code review

* quick doc format

* code review fix
This commit is contained in:
Valere
2023-09-12 13:19:35 +02:00
committed by GitHub
parent f963ca5562
commit c7827d971c
8 changed files with 398 additions and 61 deletions
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110
spec/integ/crypto/megolm-backup.spec.ts
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@ -229,6 +229,116 @@ describe.each(Object.entries(CRYPTO_BACKENDS))("megolm-keys backup (%s)", (backe
expect(event.getContent()).toEqual("testytest");
});
describe("recover from backup", () => {
oldBackendOnly("can restore from backup (Curve25519 version)", async function () {
fetchMock.get("path:/_matrix/client/v3/room_keys/version", testData.SIGNED_BACKUP_DATA);
aliceClient = await initTestClient();
const aliceCrypto = aliceClient.getCrypto()!;
await aliceClient.startClient();
// tell Alice to trust the dummy device that signed the backup
await waitForDeviceList();
await aliceCrypto.setDeviceVerified(testData.TEST_USER_ID, testData.TEST_DEVICE_ID);
const fullBackup = {
rooms: {
[ROOM_ID]: {
sessions: {
[testData.MEGOLM_SESSION_DATA.session_id]: testData.CURVE25519_KEY_BACKUP_DATA,
},
},
},
};
fetchMock.get("express:/_matrix/client/v3/room_keys/keys", fullBackup);
const check = await aliceCrypto.checkKeyBackupAndEnable();
let onKeyCached: () => void;
const awaitKeyCached = new Promise<void>((resolve) => {
onKeyCached = resolve;
});
const result = await aliceClient.restoreKeyBackupWithRecoveryKey(
testData.BACKUP_DECRYPTION_KEY_BASE58,
undefined,
undefined,
check!.backupInfo!,
{
cacheCompleteCallback: () => onKeyCached(),
},
);
expect(result.imported).toStrictEqual(1);
await awaitKeyCached;
});
oldBackendOnly("recover specific session from backup", async function () {
fetchMock.get("path:/_matrix/client/v3/room_keys/version", testData.SIGNED_BACKUP_DATA);
aliceClient = await initTestClient();
const aliceCrypto = aliceClient.getCrypto()!;
await aliceClient.startClient();
// tell Alice to trust the dummy device that signed the backup
await waitForDeviceList();
await aliceCrypto.setDeviceVerified(testData.TEST_USER_ID, testData.TEST_DEVICE_ID);
fetchMock.get(
"express:/_matrix/client/v3/room_keys/keys/:room_id/:session_id",
testData.CURVE25519_KEY_BACKUP_DATA,
);
const check = await aliceCrypto.checkKeyBackupAndEnable();
const result = await aliceClient.restoreKeyBackupWithRecoveryKey(
testData.BACKUP_DECRYPTION_KEY_BASE58,
ROOM_ID,
testData.MEGOLM_SESSION_DATA.session_id,
check!.backupInfo!,
);
expect(result.imported).toStrictEqual(1);
});
oldBackendOnly("Fails on bad recovery key", async function () {
fetchMock.get("path:/_matrix/client/v3/room_keys/version", testData.SIGNED_BACKUP_DATA);
aliceClient = await initTestClient();
const aliceCrypto = aliceClient.getCrypto()!;
await aliceClient.startClient();
// tell Alice to trust the dummy device that signed the backup
await waitForDeviceList();
await aliceCrypto.setDeviceVerified(testData.TEST_USER_ID, testData.TEST_DEVICE_ID);
const fullBackup = {
rooms: {
[ROOM_ID]: {
sessions: {
[testData.MEGOLM_SESSION_DATA.session_id]: testData.CURVE25519_KEY_BACKUP_DATA,
},
},
},
};
fetchMock.get("express:/_matrix/client/v3/room_keys/keys", fullBackup);
const check = await aliceCrypto.checkKeyBackupAndEnable();
await expect(
aliceClient.restoreKeyBackupWithRecoveryKey(
"EsTx A7Xn aNFF k3jH zpV3 MQoN LJEg mscC HecF 982L wC77 mYQD",
undefined,
undefined,
check!.backupInfo!,
),
).rejects.toThrow();
});
});
describe("backupLoop", () => {
it("Alice should upload known keys when backup is enabled", async function () {
// 404 means that there is no active backup