Examples with MXOlmInboundGroupSession2 org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 used on opensource projects

Example 1 with MXOlmInboundGroupSession2

use of org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 in project matrix-android-sdk by matrix-org.

the class MXFileCryptoStore method close.

@Override
public void close() {
    // release JNI objects
    ArrayList<OlmSession> olmSessions = new ArrayList<>();
    Collection<HashMap<String, OlmSession>> sessionValues = mOlmSessions.values();
    for (HashMap<String, OlmSession> value : sessionValues) {
        olmSessions.addAll(value.values());
    }
    for (OlmSession olmSession : olmSessions) {
        olmSession.releaseSession();
    }
    mOlmSessions.clear();
    ArrayList<MXOlmInboundGroupSession2> groupSessions = new ArrayList<>();
    Collection<HashMap<String, MXOlmInboundGroupSession2>> groupSessionsValues = mInboundGroupSessions.values();
    for (HashMap<String, MXOlmInboundGroupSession2> map : groupSessionsValues) {
        groupSessions.addAll(map.values());
    }
    for (MXOlmInboundGroupSession2 groupSession : groupSessions) {
        if (null != groupSession.mSession) {
            groupSession.mSession.releaseSession();
        }
    }
    mInboundGroupSessions.clear();
}

Example 2 with MXOlmInboundGroupSession2

use of org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 in project matrix-android-sdk by matrix-org.

the class MXFileCryptoStore method removeInboundGroupSession.

@Override
public void removeInboundGroupSession(String sessionId, String senderKey) {
    if (!mIsReady) {
        Log.e(LOG_TAG, "## removeInboundGroupSession() : the store is not ready");
        return;
    }
    if ((null != sessionId) && (null != senderKey)) {
        synchronized (mInboundGroupSessionsLock) {
            if (mInboundGroupSessions.containsKey(senderKey)) {
                MXOlmInboundGroupSession2 session = mInboundGroupSessions.get(senderKey).get(sessionId);
                if (null != session) {
                    mInboundGroupSessions.get(senderKey).remove(sessionId);
                    File senderKeyFolder = new File(mInboundGroupSessionsFolder, encodeFilename(session.mSenderKey));
                    if (senderKeyFolder.exists()) {
                        File inboundSessionFile = new File(senderKeyFolder, encodeFilename(sessionId));
                        if (!inboundSessionFile.delete()) {
                            Log.e(LOG_TAG, "## removeInboundGroupSession() : fail to remove the sessionid " + sessionId);
                        }
                    }
                    // release the memory
                    session.mSession.releaseSession();
                }
            }
        }
    }
}

Example 3 with MXOlmInboundGroupSession2

use of org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 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");
    }
}

Example 4 with MXOlmInboundGroupSession2

use of org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 in project matrix-android-sdk by matrix-org.

the class MXOlmDevice method decryptGroupMessage.

/**
 * Decrypt a received message with an inbound group session.
 *
 * @param body      the base64-encoded body of the encrypted message.
 * @param roomId    theroom in which the message was received.
 * @param timeline  the id of the timeline where the event is decrypted. It is used to prevent replay attack.
 * @param sessionId the session identifier.
 * @param senderKey the base64-encoded curve25519 key of the sender.
 * @return the decrypting result. Nil if the sessionId is unknown.
 */
public MXDecryptionResult decryptGroupMessage(String body, String roomId, String timeline, String sessionId, String senderKey) throws MXDecryptionException {
    MXDecryptionResult result = new MXDecryptionResult();
    MXOlmInboundGroupSession2 session = getInboundGroupSession(sessionId, senderKey, roomId);
    if (null != session) {
        // the HS pretending a message was targeting a different room.
        if (TextUtils.equals(roomId, session.mRoomId)) {
            String errorMessage = "";
            OlmInboundGroupSession.DecryptMessageResult decryptResult = null;
            try {
                decryptResult = session.mSession.decryptMessage(body);
            } catch (Exception e) {
                Log.e(LOG_TAG, "## decryptGroupMessage () : decryptMessage failed " + e.getMessage());
                errorMessage = e.getMessage();
            }
            if (null != decryptResult) {
                if (null != timeline) {
                    if (!mInboundGroupSessionMessageIndexes.containsKey(timeline)) {
                        mInboundGroupSessionMessageIndexes.put(timeline, new HashMap<String, Boolean>());
                    }
                    String messageIndexKey = senderKey + "|" + sessionId + "|" + decryptResult.mIndex;
                    if (null != mInboundGroupSessionMessageIndexes.get(timeline).get(messageIndexKey)) {
                        String reason = String.format(MXCryptoError.DUPLICATE_MESSAGE_INDEX_REASON, decryptResult.mIndex);
                        Log.e(LOG_TAG, "## decryptGroupMessage() : " + reason);
                        throw new MXDecryptionException(new MXCryptoError(MXCryptoError.DUPLICATED_MESSAGE_INDEX_ERROR_CODE, MXCryptoError.UNABLE_TO_DECRYPT, reason));
                    }
                    mInboundGroupSessionMessageIndexes.get(timeline).put(messageIndexKey, true);
                }
                mStore.storeInboundGroupSession(session);
                try {
                    JsonParser parser = new JsonParser();
                    result.mPayload = parser.parse(JsonUtils.convertFromUTF8(decryptResult.mDecryptedMessage));
                } catch (Exception e) {
                    Log.e(LOG_TAG, "## decryptGroupMessage() : RLEncoder.encode failed " + e.getMessage());
                    return null;
                }
                if (null == result.mPayload) {
                    Log.e(LOG_TAG, "## decryptGroupMessage() : fails to parse the payload");
                    return null;
                }
                result.mKeysClaimed = session.mKeysClaimed;
                result.mSenderKey = senderKey;
                result.mForwardingCurve25519KeyChain = session.mForwardingCurve25519KeyChain;
            } else {
                Log.e(LOG_TAG, "## decryptGroupMessage() : failed to decode the message");
                throw new MXDecryptionException(new MXCryptoError(MXCryptoError.OLM_ERROR_CODE, errorMessage, null));
            }
        } else {
            String reason = String.format(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_REASON, roomId, session.mRoomId);
            Log.e(LOG_TAG, "## decryptGroupMessage() : " + reason);
            throw new MXDecryptionException(new MXCryptoError(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_ERROR_CODE, MXCryptoError.UNABLE_TO_DECRYPT, reason));
        }
    } else {
        Log.e(LOG_TAG, "## decryptGroupMessage() : Cannot retrieve inbound group session " + sessionId);
        throw new MXDecryptionException(mInboundGroupSessionWithIdError);
    }
    return result;
}

Example 5 with MXOlmInboundGroupSession2

use of org.matrix.androidsdk.crypto.data.MXOlmInboundGroupSession2 in project matrix-android-sdk by matrix-org.

the class MXOlmDevice method getInboundGroupSession.

/**
 * Extract an InboundGroupSession from the session store and do some check.
 * mInboundGroupSessionWithIdError describes the failure reason.
 *
 * @param roomId    the room where the sesion is used.
 * @param sessionId the session identifier.
 * @param senderKey the base64-encoded curve25519 key of the sender.
 * @return the inbound group session.
 */
public MXOlmInboundGroupSession2 getInboundGroupSession(String sessionId, String senderKey, String roomId) {
    mInboundGroupSessionWithIdError = null;
    MXOlmInboundGroupSession2 session = mStore.getInboundGroupSession(sessionId, senderKey);
    if (null != session) {
        // the HS pretending a message was targeting a different room.
        if (!TextUtils.equals(roomId, session.mRoomId)) {
            String errorDescription = String.format(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_REASON, roomId, session.mRoomId);
            Log.e(LOG_TAG, "## getInboundGroupSession() : " + errorDescription);
            mInboundGroupSessionWithIdError = new MXCryptoError(MXCryptoError.INBOUND_SESSION_MISMATCH_ROOM_ID_ERROR_CODE, MXCryptoError.UNABLE_TO_DECRYPT, errorDescription);
        }
    } else {
        Log.e(LOG_TAG, "## getInboundGroupSession() : Cannot retrieve inbound group session " + sessionId);
        mInboundGroupSessionWithIdError = new MXCryptoError(MXCryptoError.UNKNOWN_INBOUND_SESSION_ID_ERROR_CODE, MXCryptoError.UNKNOWN_INBOUND_SESSION_ID_REASON, null);
    }
    return session;
}