Examples with MXUsersDevicesMap org.matrix.androidsdk.crypto.data.MXUsersDevicesMap used on opensource projects

Example 1 with MXUsersDevicesMap

use of org.matrix.androidsdk.crypto.data.MXUsersDevicesMap in project matrix-android-sdk by matrix-org.

the class CryptoTest method test07_testAliceAndBobInACryptedRoom.

@Test
public void test07_testAliceAndBobInACryptedRoom() throws Exception {
    Log.e(LOG_TAG, "test07_testAliceAndBobInACryptedRoom");
    Context context = InstrumentationRegistry.getContext();
    final HashMap<String, Object> results = new HashMap<>();
    doE2ETestWithAliceAndBobInARoom(true);
    final String messageFromAlice = "Hello I'm Alice!";
    Room roomFromBobPOV = mBobSession.getDataHandler().getRoom(mRoomId);
    Room roomFromAlicePOV = mAliceSession.getDataHandler().getRoom(mRoomId);
    assertTrue(roomFromBobPOV.isEncrypted());
    assertTrue(roomFromAlicePOV.isEncrypted());
    final CountDownLatch lock1 = new CountDownLatch(1);
    roomFromAlicePOV.sendEvent(buildTextEvent(messageFromAlice, mAliceSession), new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            lock1.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock1.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            results.put("sendEventError", e);
            lock1.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock1.countDown();
        }
    });
    lock1.await(2000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("sendEventError"));
    MXCryptoError error = (MXCryptoError) results.get("sendEventError");
    assertTrue(TextUtils.equals(error.errcode, MXCryptoError.UNKNOWN_DEVICES_CODE));
    MXUsersDevicesMap<MXDeviceInfo> unknownDevices = (MXUsersDevicesMap<MXDeviceInfo>) error.mExceptionData;
    List<String> deviceInfos = unknownDevices.getUserDeviceIds(mBobSession.getMyUserId());
    assertTrue(1 == deviceInfos.size());
    assertTrue(TextUtils.equals(deviceInfos.get(0), mBobSession.getCrypto().getMyDevice().deviceId));
    final CountDownLatch lock2 = new CountDownLatch(1);
    mAliceSession.getCrypto().setDevicesKnown(Arrays.asList(mBobSession.getCrypto().getMyDevice()), new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            results.put("setDevicesKnown", "setDevicesKnown");
            lock2.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock2.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock2.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock2.countDown();
        }
    });
    lock2.await(2000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("setDevicesKnown"));
    final CountDownLatch lock3 = new CountDownLatch(3);
    MXEventListener eventListener = new MXEventListener() {

        @Override
        public void onLiveEvent(Event event, RoomState roomState) {
            try {
                if (TextUtils.equals(event.getType(), Event.EVENT_TYPE_MESSAGE)) {
                    if (checkEncryptedEvent(event, mRoomId, messageFromAlice, mAliceSession)) {
                        results.put("onLiveEvent", "onLiveEvent");
                        lock3.countDown();
                    }
                }
            } catch (Exception e) {
            }
        }
    };
    mBobSession.getDataHandler().addListener(new MXEventListener() {

        @Override
        public void onToDeviceEvent(Event event) {
            results.put("onToDeviceEvent", event);
            lock3.countDown();
        }
    });
    roomFromBobPOV.addEventListener(eventListener);
    roomFromAlicePOV.sendEvent(buildTextEvent(messageFromAlice, mAliceSession), new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            lock3.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock3.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock3.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock3.countDown();
        }
    });
    lock3.await(2000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("onToDeviceEvent"));
    assertTrue(results.containsKey("onLiveEvent"));
    assertTrue(mBobSession.getCrypto().getDeviceTrackingStatus(mBobSession.getMyUserId()) == MXDeviceList.TRACKING_STATUS_UP_TO_DATE);
    assertTrue(mBobSession.getCrypto().getDeviceTrackingStatus(mAliceSession.getMyUserId()) == MXDeviceList.TRACKING_STATUS_UP_TO_DATE);
    assertTrue(mAliceSession.getCrypto().getDeviceTrackingStatus(mBobSession.getMyUserId()) == MXDeviceList.TRACKING_STATUS_UP_TO_DATE);
    assertTrue(mAliceSession.getCrypto().getDeviceTrackingStatus(mAliceSession.getMyUserId()) == MXDeviceList.TRACKING_STATUS_UP_TO_DATE);
    mBobSession.clear(context);
}

Example 2 with MXUsersDevicesMap

use of org.matrix.androidsdk.crypto.data.MXUsersDevicesMap in project matrix-android-sdk by matrix-org.

the class CryptoTest method test03_testKeysUploadAndDownload.

@Test
public void test03_testKeysUploadAndDownload() throws Exception {
    Log.e(LOG_TAG, "test03_testKeysUploadAndDownload");
    Context context = InstrumentationRegistry.getContext();
    final HashMap<String, Object> results = new HashMap<>();
    createAliceAccount();
    mAliceSession.getCredentials().deviceId = "AliceDevice";
    final CountDownLatch lock0 = new CountDownLatch(1);
    mAliceSession.enableCrypto(true, new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            results.put("enableCrypto", "enableCrypto");
            lock0.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock0.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock0.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock0.countDown();
        }
    });
    lock0.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("enableCrypto"));
    createBobAccount();
    final CountDownLatch lock2 = new CountDownLatch(1);
    mBobSession.getCredentials().deviceId = "BobDevice";
    mBobSession.enableCrypto(true, new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            results.put("enableCrypto2", "enableCrypto2");
            lock2.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock2.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock2.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock2.countDown();
        }
    });
    lock2.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("enableCrypto2"));
    final CountDownLatch lock3 = new CountDownLatch(1);
    mBobSession.getCrypto().getDeviceList().downloadKeys(Arrays.asList(mBobSession.getMyUserId(), mAliceSession.getMyUserId()), false, new ApiCallback<MXUsersDevicesMap<MXDeviceInfo>>() {

        @Override
        public void onSuccess(MXUsersDevicesMap<MXDeviceInfo> info) {
            results.put("downloadKeys", info);
            lock3.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock3.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock3.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock3.countDown();
        }
    });
    lock3.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("downloadKeys"));
    MXUsersDevicesMap<MXDeviceInfo> usersDevicesInfoMap = (MXUsersDevicesMap<MXDeviceInfo>) results.get("downloadKeys");
    assertTrue(2 == usersDevicesInfoMap.getUserIds().size());
    assertTrue(1 == usersDevicesInfoMap.getUserDeviceIds(mAliceSession.getMyUserId()).size());
    MXDeviceInfo aliceDeviceFromBobPOV = usersDevicesInfoMap.getObject("AliceDevice", mAliceSession.getMyUserId());
    assertTrue(null != aliceDeviceFromBobPOV);
    assertTrue(TextUtils.equals(aliceDeviceFromBobPOV.fingerprint(), mAliceSession.getCrypto().getOlmDevice().getDeviceEd25519Key()));
    // Continue testing other methods
    assertTrue(null != mBobSession.getCrypto().deviceWithIdentityKey(mAliceSession.getCrypto().getOlmDevice().getDeviceCurve25519Key(), mAliceSession.getMyUserId(), MXCryptoAlgorithms.MXCRYPTO_ALGORITHM_OLM));
    assertTrue(aliceDeviceFromBobPOV.isUnknown());
    final CountDownLatch lock3a = new CountDownLatch(1);
    mBobSession.getCrypto().setDevicesKnown(Arrays.asList(aliceDeviceFromBobPOV), new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            results.put("setDevicesKnown", info);
            lock3a.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock3a.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock3a.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock3a.countDown();
        }
    });
    lock3a.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("setDevicesKnown"));
    assertTrue(aliceDeviceFromBobPOV.isUnverified());
    final CountDownLatch lock3b = new CountDownLatch(1);
    mBobSession.getCrypto().setDeviceVerification(MXDeviceInfo.DEVICE_VERIFICATION_BLOCKED, aliceDeviceFromBobPOV.deviceId, mAliceSession.getMyUserId(), new ApiCallback<Void>() {

        @Override
        public void onSuccess(Void info) {
            results.put("setDeviceVerification1", info);
            lock3b.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock3b.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock3b.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock3b.countDown();
        }
    });
    lock3b.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("setDeviceVerification1"));
    assertTrue(aliceDeviceFromBobPOV.isBlocked());
    Credentials bobCredentials = mBobSession.getCredentials();
    Uri uri = Uri.parse(CryptoTestHelper.TESTS_HOME_SERVER_URL);
    HomeServerConnectionConfig hs = new HomeServerConnectionConfig(uri);
    hs.setCredentials(bobCredentials);
    IMXStore store = new MXFileStore(hs, context);
    MXSession bobSession2 = new MXSession(hs, new MXDataHandler(store, bobCredentials), context);
    final CountDownLatch lock4 = new CountDownLatch(1);
    MXStoreListener listener = new MXStoreListener() {

        @Override
        public void postProcess(String accountId) {
        }

        @Override
        public void onStoreReady(String accountId) {
            results.put("onStoreReady", "onStoreReady");
            lock4.countDown();
        }

        @Override
        public void onStoreCorrupted(String accountId, String description) {
            lock4.countDown();
        }

        @Override
        public void onStoreOOM(String accountId, String description) {
            lock4.countDown();
        }
    };
    bobSession2.getDataHandler().getStore().addMXStoreListener(listener);
    bobSession2.getDataHandler().getStore().open();
    lock4.await(2000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("onStoreReady"));
    final CountDownLatch lock4b = new CountDownLatch(2);
    MXEventListener eventListener = new MXEventListener() {

        @Override
        public void onInitialSyncComplete(String toToken) {
            results.put("onInitialSyncComplete", "onInitialSyncComplete");
            lock4b.countDown();
        }

        @Override
        public void onCryptoSyncComplete() {
            results.put("onCryptoSyncComplete", "onCryptoSyncComplete");
            lock4b.countDown();
        }
    };
    bobSession2.getDataHandler().addListener(eventListener);
    bobSession2.startEventStream(null);
    lock4b.await(2000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("onInitialSyncComplete"));
    assertTrue(results.containsKey("onCryptoSyncComplete"));
    MXDeviceInfo aliceDeviceFromBobPOV2 = bobSession2.getCrypto().deviceWithIdentityKey(mAliceSession.getCrypto().getOlmDevice().getDeviceCurve25519Key(), mAliceSession.getMyUserId(), MXCryptoAlgorithms.MXCRYPTO_ALGORITHM_OLM);
    assertTrue(null != aliceDeviceFromBobPOV2);
    assertTrue(TextUtils.equals(aliceDeviceFromBobPOV2.fingerprint(), mAliceSession.getCrypto().getOlmDevice().getDeviceEd25519Key()));
    assertTrue(aliceDeviceFromBobPOV2.mVerified + " instead of " + MXDeviceInfo.DEVICE_VERIFICATION_BLOCKED, aliceDeviceFromBobPOV2.mVerified == MXDeviceInfo.DEVICE_VERIFICATION_BLOCKED);
    // Download again alice device
    final CountDownLatch lock5 = new CountDownLatch(1);
    bobSession2.getCrypto().getDeviceList().downloadKeys(Arrays.asList(mAliceSession.getMyUserId()), true, new ApiCallback<MXUsersDevicesMap<MXDeviceInfo>>() {

        @Override
        public void onSuccess(MXUsersDevicesMap<MXDeviceInfo> info) {
            results.put("downloadKeys2", info);
            lock5.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock5.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock5.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock5.countDown();
        }
    });
    lock5.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("downloadKeys2"));
    MXDeviceInfo aliceDeviceFromBobPOV3 = bobSession2.getCrypto().deviceWithIdentityKey(mAliceSession.getCrypto().getOlmDevice().getDeviceCurve25519Key(), mAliceSession.getMyUserId(), MXCryptoAlgorithms.MXCRYPTO_ALGORITHM_OLM);
    assertTrue(null != aliceDeviceFromBobPOV3);
    assertTrue(TextUtils.equals(aliceDeviceFromBobPOV3.fingerprint(), mAliceSession.getCrypto().getOlmDevice().getDeviceEd25519Key()));
    assertTrue(aliceDeviceFromBobPOV3.isBlocked());
    mAliceSession.clear(context);
    mBobSession.clear(context);
    bobSession2.clear(context);
}

Example 3 with MXUsersDevicesMap

use of org.matrix.androidsdk.crypto.data.MXUsersDevicesMap in project matrix-android-sdk by matrix-org.

the class CryptoTest method test22_testDownloadKeysForUserWithNoDevice.

@Test
public void test22_testDownloadKeysForUserWithNoDevice() throws Exception {
    Log.e(LOG_TAG, "test22_testDownloadKeysForUserWithNoDevice");
    final HashMap<String, Object> results = new HashMap<>();
    doE2ETestWithAliceAndBobInARoom(false);
    mAliceSession.getCrypto().setWarnOnUnknownDevices(false);
    final CountDownLatch lock1 = new CountDownLatch(1);
    mAliceSession.getCrypto().getDeviceList().downloadKeys(Arrays.asList(mBobSession.getMyUserId()), false, new ApiCallback<MXUsersDevicesMap<MXDeviceInfo>>() {

        @Override
        public void onSuccess(MXUsersDevicesMap<MXDeviceInfo> info) {
            results.put("downloadKeys", info);
            lock1.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock1.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock1.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock1.countDown();
        }
    });
    lock1.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("downloadKeys"));
    MXUsersDevicesMap<MXDeviceInfo> usersDevicesInfoMap = (MXUsersDevicesMap<MXDeviceInfo>) results.get("downloadKeys");
    // MXCrypto.downloadKeys should return @[] for Bob to distinguish him from an unknown user
    List<String> bobDevices = usersDevicesInfoMap.getUserDeviceIds(mBobSession.getMyUserId());
    assertTrue(null != bobDevices);
    assertTrue(0 == bobDevices.size());
    // try again
    // it should not failed
    final CountDownLatch lock2 = new CountDownLatch(1);
    mAliceSession.getCrypto().getDeviceList().downloadKeys(Arrays.asList(mBobSession.getMyUserId()), false, new ApiCallback<MXUsersDevicesMap<MXDeviceInfo>>() {

        @Override
        public void onSuccess(MXUsersDevicesMap<MXDeviceInfo> info) {
            results.put("downloadKeys2", info);
            lock2.countDown();
        }

        @Override
        public void onNetworkError(Exception e) {
            lock2.countDown();
        }

        @Override
        public void onMatrixError(MatrixError e) {
            lock2.countDown();
        }

        @Override
        public void onUnexpectedError(Exception e) {
            lock2.countDown();
        }
    });
    lock2.await(1000, TimeUnit.MILLISECONDS);
    assertTrue(results.containsKey("downloadKeys2"));
}

Example 4 with MXUsersDevicesMap

use of org.matrix.androidsdk.crypto.data.MXUsersDevicesMap in project matrix-android-sdk by matrix-org.

the class MXCrypto method getUnknownDevices.

/**
 * Provides the list of unknown devices
 *
 * @param devicesInRoom the devices map
 * @return the unknown devices map
 */
public static MXUsersDevicesMap<MXDeviceInfo> getUnknownDevices(MXUsersDevicesMap<MXDeviceInfo> devicesInRoom) {
    MXUsersDevicesMap<MXDeviceInfo> unknownDevices = new MXUsersDevicesMap<>();
    List<String> userIds = devicesInRoom.getUserIds();
    for (String userId : userIds) {
        List<String> deviceIds = devicesInRoom.getUserDeviceIds(userId);
        for (String deviceId : deviceIds) {
            MXDeviceInfo deviceInfo = devicesInRoom.getObject(deviceId, userId);
            if (deviceInfo.isUnknown()) {
                unknownDevices.setObject(deviceInfo, userId, deviceId);
            }
        }
    }
    return unknownDevices;
}

Example 5 with MXUsersDevicesMap

use of org.matrix.androidsdk.crypto.data.MXUsersDevicesMap in project matrix-android-sdk by matrix-org.

the class MXFileCryptoStore method preloadCryptoData.

/**
 * Preload the crypto data
 */
private void preloadCryptoData() {
    Log.d(LOG_TAG, "## preloadCryptoData() starts");
    long t0 = System.currentTimeMillis();
    Object olmAccountAsVoid;
    if (mAccountFileTmp.exists()) {
        olmAccountAsVoid = loadObject(mAccountFileTmp, "preloadCryptoData - mAccountFile - tmp");
    } else {
        olmAccountAsVoid = loadObject(mAccountFile, "preloadCryptoData - mAccountFile");
    }
    if (null != olmAccountAsVoid) {
        try {
            mOlmAccount = (OlmAccount) olmAccountAsVoid;
        } catch (Exception e) {
            mIsCorrupted = true;
            Log.e(LOG_TAG, "## preloadCryptoData() - invalid mAccountFile " + e.getMessage());
        }
    }
    Log.d(LOG_TAG, "## preloadCryptoData() : load mOlmAccount in " + (System.currentTimeMillis() - t0) + " ms");
    // previous store format
    if (!mDevicesFolder.exists()) {
        Object usersDevicesInfoMapAsVoid;
        // if the tmp exists, it means that the latest file backup has been killed / stopped
        if (mDevicesFileTmp.exists()) {
            usersDevicesInfoMapAsVoid = loadObject(mDevicesFileTmp, "preloadCryptoData - mUsersDevicesInfoMap - tmp");
        } else {
            usersDevicesInfoMapAsVoid = loadObject(mDevicesFile, "preloadCryptoData - mUsersDevicesInfoMap");
        }
        if (null != usersDevicesInfoMapAsVoid) {
            try {
                MXUsersDevicesMap objectAsMap = (MXUsersDevicesMap) usersDevicesInfoMapAsVoid;
                mUsersDevicesInfoMap = new MXUsersDevicesMap<>(objectAsMap.getMap());
            } catch (Exception e) {
                mIsCorrupted = true;
                Log.e(LOG_TAG, "## preloadCryptoData() - invalid mUsersDevicesInfoMap " + e.getMessage());
            }
        } else {
            mIsCorrupted = false;
        }
        mDevicesFolder.mkdirs();
        if (null != mUsersDevicesInfoMap) {
            HashMap<String, HashMap<String, MXDeviceInfo>> map = mUsersDevicesInfoMap.getMap();
            Set<String> userIds = map.keySet();
            for (String userId : userIds) {
                storeObject(map.get(userId), mDevicesFolder, userId, "convert devices map of " + userId);
            }
            mDevicesFileTmp.delete();
            mDevicesFile.delete();
        }
    } else {
        // the user devices are loaded on demand
        mUsersDevicesInfoMap = new MXUsersDevicesMap<>();
    }
    long t2 = System.currentTimeMillis();
    int algoSize = 0;
    Object algorithmsAsVoid;
    if (mAlgorithmsFileTmp.exists()) {
        algorithmsAsVoid = loadObject(mAlgorithmsFileTmp, "preloadCryptoData - mRoomsAlgorithms - tmp");
    } else {
        algorithmsAsVoid = loadObject(mAlgorithmsFile, "preloadCryptoData - mRoomsAlgorithms");
    }
    if (null != algorithmsAsVoid) {
        try {
            Map<String, String> algorithmsMap = (Map<String, String>) algorithmsAsVoid;
            mRoomsAlgorithms = new HashMap<>(algorithmsMap);
            algoSize = mRoomsAlgorithms.size();
        } catch (Exception e) {
            mIsCorrupted = true;
            Log.e(LOG_TAG, "## preloadCryptoData() - invalid mAlgorithmsFile " + e.getMessage());
        }
    }
    Log.d(LOG_TAG, "## preloadCryptoData() : load mRoomsAlgorithms (" + algoSize + " algos) in " + (System.currentTimeMillis() - t2) + " ms");
    Object trackingStatusesAsVoid;
    if (mTrackingStatusesFileTmp.exists()) {
        trackingStatusesAsVoid = loadObject(mTrackingStatusesFileTmp, "preloadCryptoData - mTrackingStatuses - tmp");
    } else {
        trackingStatusesAsVoid = loadObject(mTrackingStatusesFile, "preloadCryptoData - mTrackingStatuses");
    }
    if (null != trackingStatusesAsVoid) {
        try {
            mTrackingStatuses = new HashMap<>((Map<String, Integer>) trackingStatusesAsVoid);
        } catch (Exception e) {
            Log.e(LOG_TAG, "## preloadCryptoData() - invalid mTrackingStatuses " + e.getMessage());
        }
    }
    File outgoingRequestFile;
    if (mOutgoingRoomKeyRequestsFileTmp.exists()) {
        outgoingRequestFile = mOutgoingRoomKeyRequestsFileTmp;
    } else {
        outgoingRequestFile = mOutgoingRoomKeyRequestsFile;
    }
    if (outgoingRequestFile.exists()) {
        Object requestsAsVoid = loadObject(outgoingRequestFile, "get outgoing key request");
        try {
            if (null != requestsAsVoid) {
                mOutgoingRoomKeyRequests.putAll((Map<Map<String, String>, OutgoingRoomKeyRequest>) requestsAsVoid);
            }
        } catch (Exception e) {
            Log.e(LOG_TAG, "## preloadCryptoData() : mOutgoingRoomKeyRequests init failed " + e.getMessage());
        }
    }
    if (mOlmSessionsFolder.exists()) {
        long t3 = System.currentTimeMillis();
        mOlmSessions = new HashMap<>();
        String[] olmSessionFiles = mOlmSessionsFolder.list();
        if (null != olmSessionFiles) {
            // build mOlmSessions for the file system
            for (int i = 0; i < olmSessionFiles.length; i++) {
                String deviceKey = olmSessionFiles[i];
                HashMap<String, OlmSession> olmSessionSubMap = new HashMap<>();
                File sessionsDeviceFolder = new File(mOlmSessionsFolder, deviceKey);
                String[] sessionIds = sessionsDeviceFolder.list();
                if (null != sessionIds) {
                    for (int j = 0; j < sessionIds.length; j++) {
                        String sessionId = sessionIds[j];
                        OlmSession olmSession = (OlmSession) loadObject(new File(sessionsDeviceFolder, sessionId), "load the olmSession " + deviceKey + " " + sessionId);
                        if (null != olmSession) {
                            olmSessionSubMap.put(decodeFilename(sessionId), olmSession);
                        }
                    }
                }
                mOlmSessions.put(decodeFilename(deviceKey), olmSessionSubMap);
            }
            Log.d(LOG_TAG, "## preloadCryptoData() : load " + olmSessionFiles.length + " olmsessions in " + (System.currentTimeMillis() - t3) + " ms");
        }
    } else {
        Object olmSessionsAsVoid;
        if (mOlmSessionsFileTmp.exists()) {
            olmSessionsAsVoid = loadObject(mOlmSessionsFileTmp, "preloadCryptoData - mOlmSessions - tmp");
        } else {
            olmSessionsAsVoid = loadObject(mOlmSessionsFile, "preloadCryptoData - mOlmSessions");
        }
        if (null != olmSessionsAsVoid) {
            try {
                Map<String, Map<String, OlmSession>> olmSessionMap = (Map<String, Map<String, OlmSession>>) olmSessionsAsVoid;
                mOlmSessions = new HashMap<>();
                for (String key : olmSessionMap.keySet()) {
                    mOlmSessions.put(key, new HashMap<>(olmSessionMap.get(key)));
                }
                // convert to the new format
                if (!mOlmSessionsFolder.mkdir()) {
                    Log.e(LOG_TAG, "Cannot create the folder " + mOlmSessionsFolder);
                }
                for (String key : olmSessionMap.keySet()) {
                    Map<String, OlmSession> submap = olmSessionMap.get(key);
                    File submapFolder = new File(mOlmSessionsFolder, encodeFilename(key));
                    if (!submapFolder.mkdir()) {
                        Log.e(LOG_TAG, "Cannot create the folder " + submapFolder);
                    }
                    for (String sessionId : submap.keySet()) {
                        storeObject(submap.get(sessionId), submapFolder, encodeFilename(sessionId), "Convert olmSession " + key + " " + sessionId);
                    }
                }
            } catch (Exception e) {
                mIsCorrupted = true;
                Log.e(LOG_TAG, "## preloadCryptoData() - invalid mSessionsFile " + e.getMessage());
            }
            mOlmSessionsFileTmp.delete();
            mOlmSessionsFile.delete();
        }
    }
    if (mInboundGroupSessionsFolder.exists()) {
        long t4 = System.currentTimeMillis();
        mInboundGroupSessions = new HashMap<>();
        int count = 0;
        String[] keysFolder = mInboundGroupSessionsFolder.list();
        if (null != keysFolder) {
            for (int i = 0; i < keysFolder.length; i++) {
                File keyFolder = new File(mInboundGroupSessionsFolder, keysFolder[i]);
                HashMap<String, MXOlmInboundGroupSession2> submap = new HashMap<>();
                String[] sessionIds = keyFolder.list();
                if (null != sessionIds) {
                    for (int j = 0; j < sessionIds.length; j++) {
                        File inboundSessionFile = new File(keyFolder, sessionIds[j]);
                        try {
                            Object inboundSessionAsVoid = loadObject(inboundSessionFile, "load inboundsession " + sessionIds[j] + " ");
                            MXOlmInboundGroupSession2 inboundSession;
                            if ((null != inboundSessionAsVoid) && (inboundSessionAsVoid instanceof MXOlmInboundGroupSession)) {
                                inboundSession = new MXOlmInboundGroupSession2((MXOlmInboundGroupSession) inboundSessionAsVoid);
                            } else {
                                inboundSession = (MXOlmInboundGroupSession2) inboundSessionAsVoid;
                            }
                            if (null != inboundSession) {
                                submap.put(decodeFilename(sessionIds[j]), inboundSession);
                            } else {
                                Log.e(LOG_TAG, "## preloadCryptoData() : delete " + inboundSessionFile);
                                inboundSessionFile.delete();
                                mIsCorrupted = false;
                            }
                            count++;
                        } catch (Exception e) {
                            Log.e(LOG_TAG, "## preloadCryptoData() - invalid mInboundGroupSessions " + e.getMessage());
                        }
                    }
                }
                mInboundGroupSessions.put(decodeFilename(keysFolder[i]), submap);
            }
        }
        Log.d(LOG_TAG, "## preloadCryptoData() : load " + count + " inboundGroupSessions in " + (System.currentTimeMillis() - t4) + " ms");
    } else {
        Object inboundGroupSessionsAsVoid;
        if (mInboundGroupSessionsFileTmp.exists()) {
            inboundGroupSessionsAsVoid = loadObject(mInboundGroupSessionsFileTmp, "preloadCryptoData - mInboundGroupSessions - tmp");
        } else {
            inboundGroupSessionsAsVoid = loadObject(mInboundGroupSessionsFile, "preloadCryptoData - mInboundGroupSessions");
        }
        if (null != inboundGroupSessionsAsVoid) {
            try {
                Map<String, Map<String, MXOlmInboundGroupSession2>> inboundGroupSessionsMap = (Map<String, Map<String, MXOlmInboundGroupSession2>>) inboundGroupSessionsAsVoid;
                mInboundGroupSessions = new HashMap<>();
                for (String key : inboundGroupSessionsMap.keySet()) {
                    mInboundGroupSessions.put(key, new HashMap<>(inboundGroupSessionsMap.get(key)));
                }
            } catch (Exception e) {
                mIsCorrupted = true;
                Log.e(LOG_TAG, "## preloadCryptoData() - invalid mInboundGroupSessions " + e.getMessage());
            }
            if (!mInboundGroupSessionsFolder.mkdirs()) {
                Log.e(LOG_TAG, "Cannot create the folder " + mInboundGroupSessionsFolder);
            }
            // convert to the new format
            for (String key : mInboundGroupSessions.keySet()) {
                File keyFolder = new File(mInboundGroupSessionsFolder, encodeFilename(key));
                if (!keyFolder.mkdirs()) {
                    Log.e(LOG_TAG, "Cannot create the folder " + keyFolder);
                }
                Map<String, MXOlmInboundGroupSession2> inboundMaps = mInboundGroupSessions.get(key);
                for (String sessionId : inboundMaps.keySet()) {
                    storeObject(inboundMaps.get(sessionId), keyFolder, encodeFilename(sessionId), "Convert inboundsession");
                }
            }
        }
        mInboundGroupSessionsFileTmp.delete();
        mInboundGroupSessionsFile.delete();
    }
    if ((null == mOlmAccount) && (mUsersDevicesInfoMap.getMap().size() > 0)) {
        mIsCorrupted = true;
        Log.e(LOG_TAG, "## preloadCryptoData() - there is no account but some devices are defined");
    }
}