mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-28 02:37:46 +00:00
Migrate sessions into database
This commit is contained in:
Moxie Marlinspike
parent
9f3c04dfb5
commit
9f6b761d98
@ -5,7 +5,6 @@ import android.support.annotation.NonNull;
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import org.thoughtcrime.securesms.crypto.storage.TextSecureSessionStore;
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import org.thoughtcrime.securesms.database.Address;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.whispersystems.libsignal.SignalProtocolAddress;
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import org.whispersystems.libsignal.state.SessionRecord;
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import org.whispersystems.libsignal.state.SessionStore;
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@ -15,36 +14,20 @@ import java.util.List;
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public class SessionUtil {
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public static boolean hasSession(Context context, Recipient recipient) {
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return hasSession(context, recipient.getAddress());
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}
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public static boolean hasSession(Context context, @NonNull Address address) {
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SessionStore sessionStore = new TextSecureSessionStore(context, null);
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SessionStore sessionStore = new TextSecureSessionStore(context);
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SignalProtocolAddress axolotlAddress = new SignalProtocolAddress(address.serialize(), SignalServiceAddress.DEFAULT_DEVICE_ID);
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return sessionStore.containsSession(axolotlAddress);
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}
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public static void archiveSiblingSessions(Context context, SignalProtocolAddress address) {
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SessionStore sessionStore = new TextSecureSessionStore(context);
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List<Integer> devices = sessionStore.getSubDeviceSessions(address.getName());
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devices.add(1);
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for (int device : devices) {
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if (device != address.getDeviceId()) {
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SignalProtocolAddress sibling = new SignalProtocolAddress(address.getName(), device);
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if (sessionStore.containsSession(sibling)) {
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SessionRecord sessionRecord = sessionStore.loadSession(sibling);
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sessionRecord.archiveCurrentState();
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sessionStore.storeSession(sibling, sessionRecord);
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}
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}
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}
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TextSecureSessionStore sessionStore = new TextSecureSessionStore(context);
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sessionStore.archiveSiblingSessions(address);
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}
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public static void archiveAllSessions(Context context) {
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new TextSecureSessionStore(context).archiveAllSessions();
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}
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}
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@ -7,6 +7,9 @@ import android.util.Log;
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import org.thoughtcrime.securesms.crypto.MasterCipher;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.database.Address;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.SessionDatabase;
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import org.thoughtcrime.securesms.util.Conversions;
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import org.whispersystems.libsignal.InvalidMessageException;
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import org.whispersystems.libsignal.SignalProtocolAddress;
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@ -29,144 +32,77 @@ import static org.whispersystems.libsignal.state.StorageProtos.SessionStructure;
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public class TextSecureSessionStore implements SessionStore {
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private static final String TAG = TextSecureSessionStore.class.getSimpleName();
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private static final String SESSIONS_DIRECTORY_V2 = "sessions-v2";
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private static final Object FILE_LOCK = new Object();
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private static final String TAG = TextSecureSessionStore.class.getSimpleName();
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private static final int SINGLE_STATE_VERSION = 1;
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private static final int ARCHIVE_STATES_VERSION = 2;
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private static final int PLAINTEXT_VERSION = 3;
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private static final int CURRENT_VERSION = 3;
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private static final Object FILE_LOCK = new Object();
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@NonNull private final Context context;
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@Nullable private final MasterSecret masterSecret;
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@NonNull private final Context context;
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public TextSecureSessionStore(@NonNull Context context) {
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this(context, null);
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}
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public TextSecureSessionStore(@NonNull Context context, @Nullable MasterSecret masterSecret) {
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this.context = context.getApplicationContext();
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this.masterSecret = masterSecret;
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this.context = context;
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}
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@Override
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public SessionRecord loadSession(@NonNull SignalProtocolAddress address) {
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synchronized (FILE_LOCK) {
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try {
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FileInputStream in = new FileInputStream(getSessionFile(address));
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int versionMarker = readInteger(in);
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SessionRecord sessionRecord = DatabaseFactory.getSessionDatabase(context).load(Address.fromSerialized(address.getName()), address.getDeviceId());
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if (versionMarker > CURRENT_VERSION) {
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throw new AssertionError("Unknown version: " + versionMarker);
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}
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byte[] serialized = readBlob(in);
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in.close();
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if (versionMarker < PLAINTEXT_VERSION && masterSecret != null) {
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serialized = new MasterCipher(masterSecret).decryptBytes(serialized);
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} else if (versionMarker < PLAINTEXT_VERSION) {
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throw new AssertionError("Session didn't get migrated: (" + versionMarker + "," + address + ")");
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}
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if (versionMarker == SINGLE_STATE_VERSION) {
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SessionStructure sessionStructure = SessionStructure.parseFrom(serialized);
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SessionState sessionState = new SessionState(sessionStructure);
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return new SessionRecord(sessionState);
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} else if (versionMarker >= ARCHIVE_STATES_VERSION) {
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return new SessionRecord(serialized);
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} else {
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throw new AssertionError("Unknown version: " + versionMarker);
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}
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} catch (InvalidMessageException | IOException e) {
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if (sessionRecord == null) {
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Log.w(TAG, "No existing session information found.");
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return new SessionRecord();
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}
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return sessionRecord;
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}
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}
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@Override
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public void storeSession(@NonNull SignalProtocolAddress address, @NonNull SessionRecord record) {
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synchronized (FILE_LOCK) {
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try {
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RandomAccessFile sessionFile = new RandomAccessFile(getSessionFile(address), "rw");
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FileChannel out = sessionFile.getChannel();
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out.position(0);
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writeInteger(CURRENT_VERSION, out);
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writeBlob(record.serialize(), out);
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out.truncate(out.position());
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sessionFile.close();
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} catch (IOException e) {
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throw new AssertionError(e);
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}
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DatabaseFactory.getSessionDatabase(context).store(Address.fromSerialized(address.getName()), address.getDeviceId(), record);
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}
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}
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@Override
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public boolean containsSession(SignalProtocolAddress address) {
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if (!getSessionFile(address).exists()) return false;
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synchronized (FILE_LOCK) {
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SessionRecord sessionRecord = DatabaseFactory.getSessionDatabase(context).load(Address.fromSerialized(address.getName()), address.getDeviceId());
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SessionRecord sessionRecord = loadSession(address);
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return sessionRecord.getSessionState().hasSenderChain() &&
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sessionRecord.getSessionState().getSessionVersion() == CiphertextMessage.CURRENT_VERSION;
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return sessionRecord != null &&
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sessionRecord.getSessionState().hasSenderChain() &&
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sessionRecord.getSessionState().getSessionVersion() == CiphertextMessage.CURRENT_VERSION;
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}
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}
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@Override
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public void deleteSession(SignalProtocolAddress address) {
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getSessionFile(address).delete();
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synchronized (FILE_LOCK) {
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DatabaseFactory.getSessionDatabase(context).delete(Address.fromSerialized(address.getName()), address.getDeviceId());
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}
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}
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@Override
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public void deleteAllSessions(String name) {
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List<Integer> devices = getSubDeviceSessions(name);
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deleteSession(new SignalProtocolAddress(name, SignalServiceAddress.DEFAULT_DEVICE_ID));
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for (int device : devices) {
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deleteSession(new SignalProtocolAddress(name, device));
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synchronized (FILE_LOCK) {
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DatabaseFactory.getSessionDatabase(context).deleteAllFor(Address.fromSerialized(name));
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}
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}
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@Override
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public List<Integer> getSubDeviceSessions(String name) {
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List<Integer> results = new LinkedList<>();
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File parent = getSessionDirectory();
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String[] children = parent.list();
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if (children == null) return results;
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for (String child : children) {
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try {
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String[] parts = child.split("[.]", 2);
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String sessionName = parts[0];
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if (sessionName.equals(name) && parts.length > 1) {
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results.add(Integer.parseInt(parts[1]));
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}
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} catch (NumberFormatException e) {
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Log.w(TAG, e);
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}
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synchronized (FILE_LOCK) {
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return DatabaseFactory.getSessionDatabase(context).getSubDevices(Address.fromSerialized(name));
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}
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return results;
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}
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public void migrateSessions() {
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public void archiveSiblingSessions(@NonNull SignalProtocolAddress address) {
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synchronized (FILE_LOCK) {
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File directory = getSessionDirectory();
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List<SessionDatabase.SessionRow> sessions = DatabaseFactory.getSessionDatabase(context).getAllFor(Address.fromSerialized(address.getName()));
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for (File session : directory.listFiles()) {
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if (session.isFile()) {
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SignalProtocolAddress address = getAddressName(session);
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if (address != null) {
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SessionRecord sessionRecord = loadSession(address);
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storeSession(address, sessionRecord);
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}
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for (SessionDatabase.SessionRow row : sessions) {
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if (row.getDeviceId() != address.getDeviceId()) {
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row.getRecord().archiveCurrentState();
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storeSession(new SignalProtocolAddress(row.getAddress().serialize(), row.getDeviceId()), row.getRecord());
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}
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}
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}
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@ -174,81 +110,12 @@ public class TextSecureSessionStore implements SessionStore {
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public void archiveAllSessions() {
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synchronized (FILE_LOCK) {
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File directory = getSessionDirectory();
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List<SessionDatabase.SessionRow> sessions = DatabaseFactory.getSessionDatabase(context).getAll();
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for (File session : directory.listFiles()) {
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if (session.isFile()) {
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SignalProtocolAddress address = getAddressName(session);
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if (address != null) {
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SessionRecord sessionRecord = loadSession(address);
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sessionRecord.archiveCurrentState();
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storeSession(address, sessionRecord);
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}
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}
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for (SessionDatabase.SessionRow row : sessions) {
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row.getRecord().archiveCurrentState();
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storeSession(new SignalProtocolAddress(row.getAddress().serialize(), row.getDeviceId()), row.getRecord());
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}
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}
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}
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private File getSessionFile(SignalProtocolAddress address) {
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return new File(getSessionDirectory(), getSessionName(address));
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}
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private File getSessionDirectory() {
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File directory = new File(context.getFilesDir(), SESSIONS_DIRECTORY_V2);
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if (!directory.exists()) {
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if (!directory.mkdirs()) {
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Log.w(TAG, "Session directory creation failed!");
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}
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}
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return directory;
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}
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private String getSessionName(SignalProtocolAddress address) {
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int deviceId = address.getDeviceId();
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return address.getName() + (deviceId == SignalServiceAddress.DEFAULT_DEVICE_ID ? "" : "." + deviceId);
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}
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private @Nullable SignalProtocolAddress getAddressName(File sessionFile) {
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try {
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String[] parts = sessionFile.getName().split("[.]");
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int deviceId;
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if (parts.length > 1) deviceId = Integer.parseInt(parts[1]);
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else deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID;
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return new SignalProtocolAddress(parts[0], deviceId);
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} catch (NumberFormatException e) {
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Log.w(TAG, e);
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return null;
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}
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}
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private byte[] readBlob(FileInputStream in) throws IOException {
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int length = readInteger(in);
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byte[] blobBytes = new byte[length];
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in.read(blobBytes, 0, blobBytes.length);
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return blobBytes;
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}
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private void writeBlob(byte[] blobBytes, FileChannel out) throws IOException {
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writeInteger(blobBytes.length, out);
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out.write(ByteBuffer.wrap(blobBytes));
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}
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private int readInteger(FileInputStream in) throws IOException {
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byte[] integer = new byte[4];
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in.read(integer, 0, integer.length);
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return Conversions.byteArrayToInt(integer);
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}
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private void writeInteger(int value, FileChannel out) throws IOException {
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byte[] valueBytes = Conversions.intToByteArray(value);
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out.write(ByteBuffer.wrap(valueBytes));
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}
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}
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@ -55,6 +55,7 @@ public class DatabaseFactory {
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private final GroupReceiptDatabase groupReceiptDatabase;
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private final OneTimePreKeyDatabase preKeyDatabase;
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private final SignedPreKeyDatabase signedPreKeyDatabase;
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private final SessionDatabase sessionDatabase;
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public static DatabaseFactory getInstance(Context context) {
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synchronized (lock) {
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@ -125,6 +126,10 @@ public class DatabaseFactory {
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return getInstance(context).signedPreKeyDatabase;
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}
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public static SessionDatabase getSessionDatabase(Context context) {
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return getInstance(context).sessionDatabase;
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}
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private DatabaseFactory(@NonNull Context context) {
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SQLiteDatabase.loadLibs(context);
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@ -147,6 +152,7 @@ public class DatabaseFactory {
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this.contactsDatabase = new ContactsDatabase(context);
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this.preKeyDatabase = new OneTimePreKeyDatabase(context, databaseHelper);
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this.signedPreKeyDatabase = new SignedPreKeyDatabase(context, databaseHelper);
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this.sessionDatabase = new SessionDatabase(context, databaseHelper);
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}
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public void onApplicationLevelUpgrade(@NonNull Context context, @NonNull MasterSecret masterSecret,
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@ -62,7 +62,6 @@ public class OneTimePreKeyDatabase extends Database {
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return null;
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}
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public void insertPreKey(int keyId, PreKeyRecord record) {
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SQLiteDatabase database = databaseHelper.getWritableDatabase();
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@ -71,7 +70,7 @@ public class OneTimePreKeyDatabase extends Database {
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contentValues.put(PUBLIC_KEY, Base64.encodeBytes(record.getKeyPair().getPublicKey().serialize()));
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contentValues.put(PRIVATE_KEY, Base64.encodeBytes(record.getKeyPair().getPrivateKey().serialize()));
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database.insert(TABLE_NAME, null, contentValues);
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database.replace(TABLE_NAME, null, contentValues);
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}
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public void removePreKey(int keyId) {
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@ -79,8 +78,4 @@ public class OneTimePreKeyDatabase extends Database {
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database.delete(TABLE_NAME, KEY_ID + " = ?", new String[] {String.valueOf(keyId)});
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}
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}
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170
src/org/thoughtcrime/securesms/database/SessionDatabase.java
Normal file
170
src/org/thoughtcrime/securesms/database/SessionDatabase.java
Normal file
@ -0,0 +1,170 @@
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package org.thoughtcrime.securesms.database;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.util.Log;
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import net.sqlcipher.database.SQLiteDatabase;
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import org.thoughtcrime.securesms.database.helpers.SQLCipherOpenHelper;
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import org.whispersystems.libsignal.state.SessionRecord;
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import org.whispersystems.signalservice.api.push.SignalServiceAddress;
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import java.io.IOException;
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import java.util.LinkedList;
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import java.util.List;
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public class SessionDatabase extends Database {
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private static final String TAG = SessionDatabase.class.getSimpleName();
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public static final String TABLE_NAME = "sessions";
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private static final String ID = "_id";
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public static final String ADDRESS = "address";
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public static final String DEVICE = "device";
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public static final String RECORD = "record";
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public static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME +
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"(" + ID + " INTEGER PRIMARY KEY, " + ADDRESS + " TEXT NOT NULL, " +
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DEVICE + " INTEGER NOT NULL, " + RECORD + " BLOB NOT NULL, " +
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"UNIQUE(" + ADDRESS + "," + DEVICE + ") ON CONFLICT REPLACE);";
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SessionDatabase(Context context, SQLCipherOpenHelper databaseHelper) {
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super(context, databaseHelper);
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}
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public void store(@NonNull Address address, int deviceId, @NonNull SessionRecord record) {
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SQLiteDatabase database = databaseHelper.getWritableDatabase();
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ContentValues values = new ContentValues();
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values.put(ADDRESS, address.serialize());
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values.put(DEVICE, deviceId);
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values.put(RECORD, record.serialize());
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database.insertWithOnConflict(TABLE_NAME, null, values, SQLiteDatabase.CONFLICT_REPLACE);
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}
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public @Nullable SessionRecord load(@NonNull Address address, int deviceId) {
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SQLiteDatabase database = databaseHelper.getReadableDatabase();
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try (Cursor cursor = database.query(TABLE_NAME, new String[]{RECORD},
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ADDRESS + " = ? AND " + DEVICE + " = ?",
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new String[] {address.serialize(), String.valueOf(deviceId)},
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null, null, null))
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{
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if (cursor != null && cursor.moveToFirst()) {
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try {
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return new SessionRecord(cursor.getBlob(cursor.getColumnIndexOrThrow(RECORD)));
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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}
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}
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return null;
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}
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public @NonNull List<SessionRow> getAllFor(@NonNull Address address) {
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SQLiteDatabase database = databaseHelper.getReadableDatabase();
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List<SessionRow> results = new LinkedList<>();
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try (Cursor cursor = database.query(TABLE_NAME, null,
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ADDRESS + " = ?",
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new String[] {address.serialize()},
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null, null, null))
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{
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while (cursor != null && cursor.moveToNext()) {
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try {
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results.add(new SessionRow(address,
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cursor.getInt(cursor.getColumnIndexOrThrow(DEVICE)),
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new SessionRecord(cursor.getBlob(cursor.getColumnIndexOrThrow(RECORD)))));
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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}
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}
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return results;
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}
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public @NonNull List<SessionRow> getAll() {
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SQLiteDatabase database = databaseHelper.getReadableDatabase();
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List<SessionRow> results = new LinkedList<>();
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try (Cursor cursor = database.query(TABLE_NAME, null, null, null, null, null, null)) {
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while (cursor != null && cursor.moveToNext()) {
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try {
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results.add(new SessionRow(Address.fromSerialized(cursor.getString(cursor.getColumnIndexOrThrow(ADDRESS))),
|
||||
cursor.getInt(cursor.getColumnIndexOrThrow(DEVICE)),
|
||||
new SessionRecord(cursor.getBlob(cursor.getColumnIndexOrThrow(RECORD)))));
|
||||
} catch (IOException e) {
|
||||
Log.w(TAG, e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return results;
|
||||
}
|
||||
|
||||
public @NonNull List<Integer> getSubDevices(@NonNull Address address) {
|
||||
SQLiteDatabase database = databaseHelper.getReadableDatabase();
|
||||
List<Integer> results = new LinkedList<>();
|
||||
|
||||
try (Cursor cursor = database.query(TABLE_NAME, new String[] {DEVICE},
|
||||
ADDRESS + " = ?",
|
||||
new String[] {address.serialize()},
|
||||
null, null, null))
|
||||
{
|
||||
while (cursor != null && cursor.moveToNext()) {
|
||||
int device = cursor.getInt(cursor.getColumnIndexOrThrow(DEVICE));
|
||||
|
||||
if (device != SignalServiceAddress.DEFAULT_DEVICE_ID) {
|
||||
results.add(device);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return results;
|
||||
}
|
||||
|
||||
public void delete(@NonNull Address address, int deviceId) {
|
||||
SQLiteDatabase database = databaseHelper.getWritableDatabase();
|
||||
|
||||
database.delete(TABLE_NAME, ADDRESS + " = ? AND " + DEVICE + " = ?",
|
||||
new String[] {address.serialize(), String.valueOf(deviceId)});
|
||||
}
|
||||
|
||||
public void deleteAllFor(@NonNull Address address) {
|
||||
SQLiteDatabase database = databaseHelper.getWritableDatabase();
|
||||
database.delete(TABLE_NAME, ADDRESS + " = ?", new String[] {address.serialize()});
|
||||
}
|
||||
|
||||
public static final class SessionRow {
|
||||
private final Address address;
|
||||
private final int deviceId;
|
||||
private final SessionRecord record;
|
||||
|
||||
public SessionRow(Address address, int deviceId, SessionRecord record) {
|
||||
this.address = address;
|
||||
this.deviceId = deviceId;
|
||||
this.record = record;
|
||||
}
|
||||
|
||||
public Address getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public int getDeviceId() {
|
||||
return deviceId;
|
||||
}
|
||||
|
||||
public SessionRecord getRecord() {
|
||||
return record;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -44,7 +44,7 @@ public class SignedPreKeyDatabase extends Database {
|
||||
SIGNATURE + " TEXT NOT NULL, " +
|
||||
TIMESTAMP + " INTEGER DEFAULT 0);";
|
||||
|
||||
public SignedPreKeyDatabase(Context context, SQLCipherOpenHelper databaseHelper) {
|
||||
SignedPreKeyDatabase(Context context, SQLCipherOpenHelper databaseHelper) {
|
||||
super(context, databaseHelper);
|
||||
}
|
||||
|
||||
@ -105,7 +105,7 @@ public class SignedPreKeyDatabase extends Database {
|
||||
contentValues.put(SIGNATURE, Base64.encodeBytes(record.getSignature()));
|
||||
contentValues.put(TIMESTAMP, record.getTimestamp());
|
||||
|
||||
database.insert(TABLE_NAME, null, contentValues);
|
||||
database.replace(TABLE_NAME, null, contentValues);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -21,6 +21,7 @@ import org.thoughtcrime.securesms.database.MmsDatabase;
|
||||
import org.thoughtcrime.securesms.database.OneTimePreKeyDatabase;
|
||||
import org.thoughtcrime.securesms.database.PushDatabase;
|
||||
import org.thoughtcrime.securesms.database.RecipientDatabase;
|
||||
import org.thoughtcrime.securesms.database.SessionDatabase;
|
||||
import org.thoughtcrime.securesms.database.SignedPreKeyDatabase;
|
||||
import org.thoughtcrime.securesms.database.SmsDatabase;
|
||||
import org.thoughtcrime.securesms.database.ThreadDatabase;
|
||||
@ -35,8 +36,9 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
|
||||
|
||||
private static final int RECIPIENT_CALL_RINGTONE_VERSION = 2;
|
||||
private static final int MIGRATE_PREKEYS_VERSION = 3;
|
||||
private static final int MIGRATE_SESSIONS_VERSION = 4;
|
||||
|
||||
private static final int DATABASE_VERSION = 3;
|
||||
private static final int DATABASE_VERSION = 4;
|
||||
private static final String DATABASE_NAME = "signal.db";
|
||||
|
||||
private final Context context;
|
||||
@ -75,6 +77,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
|
||||
db.execSQL(GroupReceiptDatabase.CREATE_TABLE);
|
||||
db.execSQL(OneTimePreKeyDatabase.CREATE_TABLE);
|
||||
db.execSQL(SignedPreKeyDatabase.CREATE_TABLE);
|
||||
db.execSQL(SessionDatabase.CREATE_TABLE);
|
||||
|
||||
executeStatements(db, SmsDatabase.CREATE_INDEXS);
|
||||
executeStatements(db, MmsDatabase.CREATE_INDEXS);
|
||||
@ -99,6 +102,7 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
|
||||
ApplicationContext.getInstance(context).getJobManager().add(new RefreshPreKeysJob(context));
|
||||
}
|
||||
|
||||
SessionStoreMigrationHelper.migrateSessions(context, db);
|
||||
PreKeyMigrationHelper.cleanUpPreKeys(context);
|
||||
}
|
||||
}
|
||||
@ -123,8 +127,11 @@ public class SQLCipherOpenHelper extends SQLiteOpenHelper {
|
||||
if (!PreKeyMigrationHelper.migratePreKeys(context, db)) {
|
||||
ApplicationContext.getInstance(context).getJobManager().add(new RefreshPreKeysJob(context));
|
||||
}
|
||||
}
|
||||
|
||||
PreKeyMigrationHelper.cleanUpPreKeys(context);
|
||||
if (oldVersion < MIGRATE_SESSIONS_VERSION) {
|
||||
db.execSQL("CREATE TABLE sessions (_id INTEGER PRIMARY KEY, address TEXT NOT NULL, device INTEGER NOT NULL, record BLOB NOT NULL, UNIQUE(address, device) ON CONFLICT REPLACE)");
|
||||
SessionStoreMigrationHelper.migrateSessions(context, db);
|
||||
}
|
||||
|
||||
db.setTransactionSuccessful();
|
||||
|
||||
@ -0,0 +1,109 @@
|
||||
package org.thoughtcrime.securesms.database.helpers;
|
||||
|
||||
|
||||
import android.content.ContentValues;
|
||||
import android.content.Context;
|
||||
import android.util.Log;
|
||||
|
||||
import net.sqlcipher.database.SQLiteDatabase;
|
||||
|
||||
import org.thoughtcrime.securesms.database.Address;
|
||||
import org.thoughtcrime.securesms.database.SessionDatabase;
|
||||
import org.thoughtcrime.securesms.util.Conversions;
|
||||
import org.whispersystems.libsignal.state.SessionRecord;
|
||||
import org.whispersystems.libsignal.state.SessionState;
|
||||
import org.whispersystems.libsignal.state.StorageProtos.SessionStructure;
|
||||
import org.whispersystems.signalservice.api.push.SignalServiceAddress;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
|
||||
class SessionStoreMigrationHelper {
|
||||
|
||||
private static final String TAG = SessionStoreMigrationHelper.class.getSimpleName();
|
||||
|
||||
private static final String SESSIONS_DIRECTORY_V2 = "sessions-v2";
|
||||
private static final Object FILE_LOCK = new Object();
|
||||
|
||||
private static final int SINGLE_STATE_VERSION = 1;
|
||||
private static final int ARCHIVE_STATES_VERSION = 2;
|
||||
private static final int PLAINTEXT_VERSION = 3;
|
||||
private static final int CURRENT_VERSION = 3;
|
||||
|
||||
static void migrateSessions(Context context, SQLiteDatabase database) {
|
||||
File directory = new File(context.getFilesDir(), SESSIONS_DIRECTORY_V2);
|
||||
|
||||
if (directory.exists()) {
|
||||
File[] sessionFiles = directory.listFiles();
|
||||
|
||||
if (sessionFiles != null) {
|
||||
for (File sessionFile : sessionFiles) {
|
||||
try {
|
||||
String[] parts = sessionFile.getName().split("[.]");
|
||||
Address address = Address.fromSerialized(parts[0]);
|
||||
|
||||
int deviceId;
|
||||
|
||||
if (parts.length > 1) deviceId = Integer.parseInt(parts[1]);
|
||||
else deviceId = SignalServiceAddress.DEFAULT_DEVICE_ID;
|
||||
|
||||
FileInputStream in = new FileInputStream(sessionFile);
|
||||
int versionMarker = readInteger(in);
|
||||
|
||||
if (versionMarker > CURRENT_VERSION) {
|
||||
throw new AssertionError("Unknown version: " + versionMarker + ", " + sessionFile.getAbsolutePath());
|
||||
}
|
||||
|
||||
byte[] serialized = readBlob(in);
|
||||
in.close();
|
||||
|
||||
if (versionMarker < PLAINTEXT_VERSION) {
|
||||
throw new AssertionError("Not plaintext: " + versionMarker + ", " + sessionFile.getAbsolutePath());
|
||||
}
|
||||
|
||||
SessionRecord sessionRecord;
|
||||
|
||||
if (versionMarker == SINGLE_STATE_VERSION) {
|
||||
Log.w(TAG, "Migrating single state version: " + sessionFile.getAbsolutePath());
|
||||
SessionStructure sessionStructure = SessionStructure.parseFrom(serialized);
|
||||
SessionState sessionState = new SessionState(sessionStructure);
|
||||
|
||||
sessionRecord = new SessionRecord(sessionState);
|
||||
} else if (versionMarker >= ARCHIVE_STATES_VERSION) {
|
||||
Log.w(TAG, "Migrating session: " + sessionFile.getAbsolutePath());
|
||||
sessionRecord = new SessionRecord(serialized);
|
||||
} else {
|
||||
throw new AssertionError("Unknown version: " + versionMarker + ", " + sessionFile.getAbsolutePath());
|
||||
}
|
||||
|
||||
|
||||
ContentValues contentValues = new ContentValues();
|
||||
contentValues.put(SessionDatabase.ADDRESS, address.serialize());
|
||||
contentValues.put(SessionDatabase.DEVICE, deviceId);
|
||||
contentValues.put(SessionDatabase.RECORD, sessionRecord.serialize());
|
||||
|
||||
database.insert(SessionDatabase.TABLE_NAME, null, contentValues);
|
||||
} catch (NumberFormatException | IOException e) {
|
||||
Log.w(TAG, e);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static byte[] readBlob(FileInputStream in) throws IOException {
|
||||
int length = readInteger(in);
|
||||
byte[] blobBytes = new byte[length];
|
||||
|
||||
in.read(blobBytes, 0, blobBytes.length);
|
||||
return blobBytes;
|
||||
}
|
||||
|
||||
private static int readInteger(FileInputStream in) throws IOException {
|
||||
byte[] integer = new byte[4];
|
||||
in.read(integer, 0, integer.length);
|
||||
return Conversions.byteArrayToInt(integer);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user