package de.thedevstack.conversationsplus.persistance; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.DatabaseUtils; import android.database.sqlite.SQLiteCantOpenDatabaseException; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.util.Base64; import android.util.Log; import android.util.Pair; import org.whispersystems.libaxolotl.AxolotlAddress; import org.whispersystems.libaxolotl.IdentityKey; import org.whispersystems.libaxolotl.IdentityKeyPair; import org.whispersystems.libaxolotl.InvalidKeyException; import org.whispersystems.libaxolotl.state.PreKeyRecord; import org.whispersystems.libaxolotl.state.SessionRecord; import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; import java.io.ByteArrayInputStream; import java.io.IOException; import java.security.cert.CertificateEncodingException; import java.security.cert.CertificateException; import java.security.cert.CertificateFactory; import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Set; import java.util.concurrent.CopyOnWriteArrayList; import org.json.JSONException; import de.thedevstack.android.logcat.Logging; import de.thedevstack.conversationsplus.Config; import de.thedevstack.conversationsplus.ConversationsPlusApplication; import de.thedevstack.conversationsplus.crypto.axolotl.AxolotlServiceImpl; import de.thedevstack.conversationsplus.crypto.axolotl.SQLiteAxolotlStore; import de.thedevstack.conversationsplus.crypto.axolotl.XmppAxolotlSession; import de.thedevstack.conversationsplus.entities.Account; import de.thedevstack.conversationsplus.entities.Contact; import de.thedevstack.conversationsplus.entities.Conversation; import de.thedevstack.conversationsplus.entities.Message; import de.thedevstack.conversationsplus.entities.Roster; import de.thedevstack.conversationsplus.entities.ServiceDiscoveryResult; import de.thedevstack.conversationsplus.persistance.db.access.CursorHelper; import de.thedevstack.conversationsplus.persistance.db.access.MessageDatabaseAccess; import de.thedevstack.conversationsplus.utils.SimpleCryptoUtil; import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException; import de.thedevstack.conversationsplus.xmpp.jid.Jid; public class DatabaseBackend extends SQLiteOpenHelper { private static DatabaseBackend instance = null; private static final String DATABASE_NAME = "history"; private static final int DATABASE_VERSION = 25; private static final int C_TO_CPLUS_VERSION_OFFSET = 1000; private static final int CPLUS_DATABASE_VERSION = 3; private static final int CPLUS_DATABASE_VERSION_MULTIPLIER = 100; private static final int PHYSICAL_DATABASE_VERSION = DATABASE_VERSION + C_TO_CPLUS_VERSION_OFFSET + (CPLUS_DATABASE_VERSION * CPLUS_DATABASE_VERSION_MULTIPLIER); private static String CREATE_CONTATCS_STATEMENT = "create table " + Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, " + Contact.SERVERNAME + " TEXT, " + Contact.SYSTEMNAME + " TEXT," + Contact.JID + " TEXT," + Contact.KEYS + " TEXT," + Contact.PHOTOURI + " TEXT," + Contact.OPTIONS + " NUMBER," + Contact.SYSTEMACCOUNT + " NUMBER, " + Contact.AVATAR + " TEXT, " + Contact.LAST_PRESENCE + " TEXT, " + Contact.LAST_TIME + " NUMBER, " + Contact.GROUPS + " TEXT, FOREIGN KEY(" + Contact.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, UNIQUE(" + Contact.ACCOUNT + ", " + Contact.JID + ") ON CONFLICT REPLACE);"; private static String CREATE_DISCOVERY_RESULTS_STATEMENT = "create table " + ServiceDiscoveryResult.TABLENAME + "(" + ServiceDiscoveryResult.HASH + " TEXT, " + ServiceDiscoveryResult.VER + " TEXT, " + ServiceDiscoveryResult.RESULT + " TEXT, " + "UNIQUE(" + ServiceDiscoveryResult.HASH + ", " + ServiceDiscoveryResult.VER + ") ON CONFLICT REPLACE);"; private static String CREATE_PREKEYS_STATEMENT = "CREATE TABLE " + SQLiteAxolotlStore.PREKEY_TABLENAME + "(" + SQLiteAxolotlStore.ACCOUNT + " TEXT, " + SQLiteAxolotlStore.ID + " INTEGER, " + SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + SQLiteAxolotlStore.ACCOUNT + ", " + SQLiteAxolotlStore.ID + ") ON CONFLICT REPLACE" + ");"; private static String CREATE_SIGNED_PREKEYS_STATEMENT = "CREATE TABLE " + SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME + "(" + SQLiteAxolotlStore.ACCOUNT + " TEXT, " + SQLiteAxolotlStore.ID + " INTEGER, " + SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + SQLiteAxolotlStore.ACCOUNT + ", " + SQLiteAxolotlStore.ID + ") ON CONFLICT REPLACE" + ");"; private static String CREATE_SESSIONS_STATEMENT = "CREATE TABLE " + SQLiteAxolotlStore.SESSION_TABLENAME + "(" + SQLiteAxolotlStore.ACCOUNT + " TEXT, " + SQLiteAxolotlStore.NAME + " TEXT, " + SQLiteAxolotlStore.DEVICE_ID + " INTEGER, " + SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + SQLiteAxolotlStore.ACCOUNT + ", " + SQLiteAxolotlStore.NAME + ", " + SQLiteAxolotlStore.DEVICE_ID + ") ON CONFLICT REPLACE" + ");"; private static String CREATE_IDENTITIES_STATEMENT = "CREATE TABLE " + SQLiteAxolotlStore.IDENTITIES_TABLENAME + "(" + SQLiteAxolotlStore.ACCOUNT + " TEXT, " + SQLiteAxolotlStore.NAME + " TEXT, " + SQLiteAxolotlStore.OWN + " INTEGER, " + SQLiteAxolotlStore.FINGERPRINT + " TEXT, " + SQLiteAxolotlStore.CERTIFICATE + " BLOB, " + SQLiteAxolotlStore.TRUSTED + " INTEGER, " + SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + SQLiteAxolotlStore.ACCOUNT + ", " + SQLiteAxolotlStore.NAME + ", " + SQLiteAxolotlStore.FINGERPRINT + ") ON CONFLICT IGNORE" + ");"; private static int calculateCDatabaseVersion(int physicalDatabaseVersion) { return physicalDatabaseVersion % CPLUS_DATABASE_VERSION_MULTIPLIER; } private static int calculateCPLusDatabaseVersion(int physicalDatabaseVersion) { int cPlusDatabaseVersion = (physicalDatabaseVersion - C_TO_CPLUS_VERSION_OFFSET) / CPLUS_DATABASE_VERSION_MULTIPLIER; return cPlusDatabaseVersion < 0 ? 0 : cPlusDatabaseVersion; } private DatabaseBackend(Context context) { super(context, DATABASE_NAME, null, PHYSICAL_DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("PRAGMA foreign_keys=ON;"); db.execSQL("create table " + Account.TABLENAME + "(" + Account.UUID + " TEXT PRIMARY KEY," + Account.USERNAME + " TEXT," + Account.SERVER + " TEXT," + Account.PASSWORD + " TEXT," + Account.DISPLAY_NAME + " TEXT, " + Account.ROSTERVERSION + " TEXT," + Account.OPTIONS + " NUMBER, " + Account.AVATAR + " TEXT, " + Account.KEYS + " TEXT, " + Account.HOSTNAME + " TEXT, " + Account.PORT + " NUMBER DEFAULT 5222)"); db.execSQL("create table " + Conversation.TABLENAME + " (" + Conversation.UUID + " TEXT PRIMARY KEY, " + Conversation.NAME + " TEXT, " + Conversation.CONTACT + " TEXT, " + Conversation.ACCOUNT + " TEXT, " + Conversation.CONTACTJID + " TEXT, " + Conversation.CREATED + " NUMBER, " + Conversation.STATUS + " NUMBER, " + Conversation.MODE + " NUMBER, " + Conversation.ATTRIBUTES + " TEXT, FOREIGN KEY(" + Conversation.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE);"); db.execSQL("create table " + Message.TABLENAME + "( " + Message.UUID + " TEXT PRIMARY KEY, " + Message.CONVERSATION + " TEXT, " + Message.TIME_SENT + " NUMBER, " + Message.COUNTERPART + " TEXT, " + Message.TRUE_COUNTERPART + " TEXT," + Message.BODY + " TEXT, " + Message.ENCRYPTION + " NUMBER, " + Message.STATUS + " NUMBER," + Message.TYPE + " NUMBER, " + Message.RELATIVE_FILE_PATH + " TEXT, " + Message.SERVER_MSG_ID + " TEXT, " + Message.FINGERPRINT + " TEXT, " + Message.CARBON + " INTEGER, " + Message.EDITED + " TEXT, " + Message.READ + " NUMBER DEFAULT 1, " + Message.OOB + " INTEGER, " + Message.REMOTE_MSG_ID + " TEXT, FOREIGN KEY(" + Message.CONVERSATION + ") REFERENCES " + Conversation.TABLENAME + "(" + Conversation.UUID + ") ON DELETE CASCADE);"); db.execSQL(CREATE_CONTATCS_STATEMENT); db.execSQL(CREATE_DISCOVERY_RESULTS_STATEMENT); db.execSQL(CREATE_SESSIONS_STATEMENT); db.execSQL(CREATE_PREKEYS_STATEMENT); db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT); db.execSQL(CREATE_IDENTITIES_STATEMENT); MessageDatabaseAccess.create(db); } protected void onUpgradeCPlusDatabase(SQLiteDatabase db, int oldVersion, int newVersion) { Logging.d("db.upgrade.cplus", "Updating Conversations+ database from version '" + oldVersion + "' to '" + newVersion + "'"); if (oldVersion < newVersion) { if (oldVersion < 1 && newVersion >= 1) { MessageDatabaseAccess.upgrade(db, oldVersion, newVersion); } if (oldVersion < 2 && newVersion >= 2) { Logging.d("db.upgrade.cplus", "Encrypt all passwords for the first time"); Cursor cursor = db.rawQuery("SELECT " + Account.UUID + ", " + Account.PASSWORD + " FROM " + Account.TABLENAME, new String[0]); while (cursor.moveToNext()) { String uuid = CursorHelper.getString(cursor, Account.UUID); String password = CursorHelper.getString(cursor, Account.PASSWORD); String encryptedPassword = SimpleCryptoUtil.encrypt(Account.PW_SEED, password); ContentValues values = new ContentValues(); values.put(Account.PASSWORD, encryptedPassword); db.update(Account.TABLENAME, values, Account.UUID + "=?", new String[] {uuid}); } cursor.close(); } if (oldVersion < 3 && newVersion >= 3) { MessageDatabaseAccess.upgrade(db, oldVersion, newVersion); } } } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { onUpgradeConversationsDatabase(db, calculateCDatabaseVersion(oldVersion), calculateCDatabaseVersion(newVersion)); onUpgradeCPlusDatabase(db, calculateCPLusDatabaseVersion(oldVersion), calculateCPLusDatabaseVersion(newVersion)); } protected void onUpgradeConversationsDatabase(SQLiteDatabase db, int oldVersion, int newVersion) { Logging.d("db.upgrade.conversations", "Updating Conversations database from version '" + oldVersion + "' to '" + newVersion + "'"); if (oldVersion == newVersion) { return; } if (oldVersion < 2 && newVersion >= 2) { db.execSQL("update " + Account.TABLENAME + " set " + Account.OPTIONS + " = " + Account.OPTIONS + " | 8"); } if (oldVersion < 3 && newVersion >= 3) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.TYPE + " NUMBER"); } if (oldVersion < 5 && newVersion >= 5) { db.execSQL("DROP TABLE " + Contact.TABLENAME); db.execSQL(CREATE_CONTATCS_STATEMENT); db.execSQL("UPDATE " + Account.TABLENAME + " SET " + Account.ROSTERVERSION + " = NULL"); } if (oldVersion < 6 && newVersion >= 6) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.TRUE_COUNTERPART + " TEXT"); } if (oldVersion < 7 && newVersion >= 7) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.REMOTE_MSG_ID + " TEXT"); db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + Contact.AVATAR + " TEXT"); db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN " + Account.AVATAR + " TEXT"); } if (oldVersion < 8 && newVersion >= 8) { db.execSQL("ALTER TABLE " + Conversation.TABLENAME + " ADD COLUMN " + Conversation.ATTRIBUTES + " TEXT"); } if (oldVersion < 9 && newVersion >= 9) { db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + Contact.LAST_TIME + " NUMBER"); db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + Contact.LAST_PRESENCE + " TEXT"); } if (oldVersion < 10 && newVersion >= 10) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.RELATIVE_FILE_PATH + " TEXT"); } if (oldVersion < 11 && newVersion >= 11) { db.execSQL("ALTER TABLE " + Contact.TABLENAME + " ADD COLUMN " + Contact.GROUPS + " TEXT"); db.execSQL("delete from " + Contact.TABLENAME); db.execSQL("update " + Account.TABLENAME + " set " + Account.ROSTERVERSION + " = NULL"); } if (oldVersion < 12 && newVersion >= 12) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.SERVER_MSG_ID + " TEXT"); } if (oldVersion < 13 && newVersion >= 13) { db.execSQL("delete from " + Contact.TABLENAME); db.execSQL("update " + Account.TABLENAME + " set " + Account.ROSTERVERSION + " = NULL"); } if (oldVersion < 14 && newVersion >= 14) { // migrate db to new, canonicalized JID domainpart representation // Conversation table Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME, new String[0]); while (cursor.moveToNext()) { String newJid; try { newJid = Jid.fromString( cursor.getString(cursor.getColumnIndex(Conversation.CONTACTJID)) ).toString(); } catch (InvalidJidException ignored) { Logging.e(Config.LOGTAG, "Failed to migrate Conversation CONTACTJID " + cursor.getString(cursor.getColumnIndex(Conversation.CONTACTJID)) + ": " + ignored + ". Skipping..."); continue; } String updateArgs[] = { newJid, cursor.getString(cursor.getColumnIndex(Conversation.UUID)), }; db.execSQL("update " + Conversation.TABLENAME + " set " + Conversation.CONTACTJID + " = ? " + " where " + Conversation.UUID + " = ?", updateArgs); } cursor.close(); // Contact table cursor = db.rawQuery("select * from " + Contact.TABLENAME, new String[0]); while (cursor.moveToNext()) { String newJid; try { newJid = Jid.fromString( cursor.getString(cursor.getColumnIndex(Contact.JID)) ).toString(); } catch (InvalidJidException ignored) { Logging.e(Config.LOGTAG, "Failed to migrate Contact JID " + cursor.getString(cursor.getColumnIndex(Contact.JID)) + ": " + ignored + ". Skipping..."); continue; } String updateArgs[] = { newJid, cursor.getString(cursor.getColumnIndex(Contact.ACCOUNT)), cursor.getString(cursor.getColumnIndex(Contact.JID)), }; db.execSQL("update " + Contact.TABLENAME + " set " + Contact.JID + " = ? " + " where " + Contact.ACCOUNT + " = ? " + " AND " + Contact.JID + " = ?", updateArgs); } cursor.close(); // Account table cursor = db.rawQuery("select * from " + Account.TABLENAME, new String[0]); while (cursor.moveToNext()) { String newServer; try { newServer = Jid.fromParts( cursor.getString(cursor.getColumnIndex(Account.USERNAME)), cursor.getString(cursor.getColumnIndex(Account.SERVER)), "mobile" ).getDomainpart(); } catch (InvalidJidException ignored) { Logging.e(Config.LOGTAG, "Failed to migrate Account SERVER " + cursor.getString(cursor.getColumnIndex(Account.SERVER)) + ": " + ignored + ". Skipping..."); continue; } String updateArgs[] = { newServer, cursor.getString(cursor.getColumnIndex(Account.UUID)), }; db.execSQL("update " + Account.TABLENAME + " set " + Account.SERVER + " = ? " + " where " + Account.UUID + " = ?", updateArgs); } cursor.close(); } if (oldVersion < 15 && newVersion >= 15) { recreateAxolotlDb(db); db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.FINGERPRINT + " TEXT"); } if (oldVersion < 16 && newVersion >= 16) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.CARBON + " INTEGER"); } if (oldVersion < 19 && newVersion >= 19) { db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN " + Account.DISPLAY_NAME + " TEXT"); } if (oldVersion < 20 && newVersion >= 20) { db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN " + Account.HOSTNAME + " TEXT"); db.execSQL("ALTER TABLE " + Account.TABLENAME + " ADD COLUMN " + Account.PORT + " NUMBER DEFAULT 5222"); } /* Any migrations that alter the Account table need to happen BEFORE this migration, as it * depends on account de-serialization. */ if (oldVersion < 17 && newVersion >= 17) { List accounts = getAccounts(db); for (Account account : accounts) { String ownDeviceIdString = account.getKey(SQLiteAxolotlStore.JSONKEY_REGISTRATION_ID); if (ownDeviceIdString == null) { continue; } int ownDeviceId = Integer.valueOf(ownDeviceIdString); AxolotlAddress ownAddress = new AxolotlAddress(account.getJid().toBareJid().toString(), ownDeviceId); deleteSession(db, account, ownAddress); IdentityKeyPair identityKeyPair = loadOwnIdentityKeyPair(db, account); if (identityKeyPair != null) { setIdentityKeyTrust(db, account, identityKeyPair.getPublicKey().getFingerprint().replaceAll("\\s", ""), XmppAxolotlSession.Trust.TRUSTED); } else { Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not load own identity key pair"); } } } if (oldVersion < 18 && newVersion >= 18) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.READ + " NUMBER DEFAULT 1"); } if (oldVersion < 21 && newVersion >= 21) { List accounts = getAccounts(db); for (Account account : accounts) { account.unsetPgpSignature(); db.update(Account.TABLENAME, account.getContentValues(), Account.UUID + "=?", new String[]{account.getUuid()}); } } if (oldVersion < 22 && oldVersion >= 15 && newVersion >= 22) { db.execSQL("ALTER TABLE " + SQLiteAxolotlStore.IDENTITIES_TABLENAME + " ADD COLUMN " + SQLiteAxolotlStore.CERTIFICATE); } if (oldVersion < 23 && newVersion >= 23) { db.execSQL(CREATE_DISCOVERY_RESULTS_STATEMENT); } if (oldVersion < 24 && newVersion >= 24) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.EDITED + " TEXT"); } if (oldVersion < 25 && newVersion >= 25) { db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.OOB + " INTEGER"); } } public static synchronized DatabaseBackend getInstance() { return getInstance(ConversationsPlusApplication.getAppContext()); } public static synchronized DatabaseBackend getInstance(Context context) { if (instance == null) { instance = new DatabaseBackend(context); } return instance; } public void createConversation(Conversation conversation) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(Conversation.TABLENAME, null, conversation.getContentValues()); } public void createMessage(Message message) { Logging.d("db.msg.insert", "Inserting new message with uuid '" + message.getUuid() + "', isRead: " + message.isRead()); SQLiteDatabase db = this.getWritableDatabase(); db.beginTransaction(); db.insert(Message.TABLENAME, null, message.getContentValues()); db.insert(MessageDatabaseAccess.TABLE_NAME_ADDITIONAL_PARAMETERS, null, MessageDatabaseAccess.getAdditionalParametersContentValues(message)); db.setTransactionSuccessful(); db.endTransaction(); } public void createAccount(Account account) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(Account.TABLENAME, null, account.getContentValues()); } public void insertDiscoveryResult(ServiceDiscoveryResult result) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(ServiceDiscoveryResult.TABLENAME, null, result.getContentValues()); } public ServiceDiscoveryResult findDiscoveryResult(final String hash, final String ver) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = {hash, ver}; Cursor cursor = db.query(ServiceDiscoveryResult.TABLENAME, null, ServiceDiscoveryResult.HASH + "=? AND " + ServiceDiscoveryResult.VER + "=?", selectionArgs, null, null, null); if (cursor.getCount() == 0) { cursor.close(); return null; } cursor.moveToFirst(); ServiceDiscoveryResult result = null; try { result = new ServiceDiscoveryResult(cursor); } catch (JSONException e) { /* result is still null */ } cursor.close(); return result; } public CopyOnWriteArrayList getConversations(int status) { CopyOnWriteArrayList list = new CopyOnWriteArrayList<>(); SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = {Integer.toString(status)}; Cursor cursor = db.rawQuery("select * from " + Conversation.TABLENAME + " where " + Conversation.STATUS + " = ? order by " + Conversation.CREATED + " desc", selectionArgs); while (cursor.moveToNext()) { list.add(Conversation.fromCursor(cursor)); } cursor.close(); return list; } public ArrayList getMessages(Conversation conversations, int limit) { return getMessages(conversations, limit, -1); } public ArrayList getMessages(Conversation conversation, int limit, long timestamp) { ArrayList list = new ArrayList<>(); SQLiteDatabase db = this.getReadableDatabase(); Cursor cursor; if (timestamp == -1) { String[] selectionArgs = {conversation.getUuid()}; cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION + "=?", selectionArgs, null, null, Message.TIME_SENT + " DESC", String.valueOf(limit)); } else { String[] selectionArgs = {conversation.getUuid(), Long.toString(timestamp)}; cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION + "=? and " + Message.TIME_SENT + " 0) { cursor.moveToLast(); do { Message message = Message.fromCursor(cursor); MessageDatabaseAccess.populateMessageParameters(db, message); message.setConversation(conversation); list.add(message); } while (cursor.moveToPrevious()); } cursor.close(); return list; } public Iterable getMessagesIterable(final Conversation conversation) { return new Iterable() { @Override public Iterator iterator() { class MessageIterator implements Iterator { SQLiteDatabase db = getReadableDatabase(); String[] selectionArgs = {conversation.getUuid()}; Cursor cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION + "=?", selectionArgs, null, null, Message.TIME_SENT + " ASC", null); public MessageIterator() { cursor.moveToFirst(); } @Override public boolean hasNext() { return !cursor.isAfterLast(); } @Override public Message next() { Message message = Message.fromCursor(cursor); MessageDatabaseAccess.populateMessageParameters(db, message); cursor.moveToNext(); return message; } @Override public void remove() { throw new UnsupportedOperationException(); } } return new MessageIterator(); } }; } public Conversation findConversation(final Account account, final Jid contactJid) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = {account.getUuid(), contactJid.toBareJid().toString() + "/%", contactJid.toBareJid().toString() }; Cursor cursor = db.query(Conversation.TABLENAME, null, Conversation.ACCOUNT + "=? AND (" + Conversation.CONTACTJID + " like ? OR " + Conversation.CONTACTJID + "=?)", selectionArgs, null, null, null); if (cursor.getCount() == 0) { cursor.close(); return null; } cursor.moveToFirst(); Conversation conversation = Conversation.fromCursor(cursor); cursor.close(); return conversation; } public void updateConversation(final Conversation conversation) { final SQLiteDatabase db = this.getWritableDatabase(); final String[] args = {conversation.getUuid()}; db.update(Conversation.TABLENAME, conversation.getContentValues(), Conversation.UUID + "=?", args); } public List getAccounts() { SQLiteDatabase db = this.getReadableDatabase(); return getAccounts(db); } private List getAccounts(SQLiteDatabase db) { List list = new ArrayList<>(); Cursor cursor = db.query(Account.TABLENAME, null, null, null, null, null, null); while (cursor.moveToNext()) { list.add(Account.fromCursor(cursor)); } cursor.close(); return list; } public void updateAccount(Account account) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid()}; db.update(Account.TABLENAME, account.getContentValues(), Account.UUID + "=?", args); } public void deleteAccount(Account account) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid()}; db.delete(Account.TABLENAME, Account.UUID + "=?", args); } public boolean hasEnabledAccounts() { SQLiteDatabase db = this.getReadableDatabase(); Cursor cursor = db.rawQuery("select count(" + Account.UUID + ") from " + Account.TABLENAME + " where not options & (1 <<1)", null); try { cursor.moveToFirst(); int count = cursor.getInt(0); return (count > 0); } catch (SQLiteCantOpenDatabaseException e) { return true; // better safe than sorry } catch (RuntimeException e) { return true; // better safe than sorry } finally { if (cursor != null) { cursor.close(); } } } @Override public SQLiteDatabase getWritableDatabase() { SQLiteDatabase db = super.getWritableDatabase(); db.execSQL("PRAGMA foreign_keys=ON;"); return db; } public void updateMessage(Message message) { this.updateMessage(message, message.getUuid()); } public void updateMessage(Message message, String uuid) { Logging.d("db.msg.update", "Updating message with uuid '" + uuid + "', isRead: " + message.isRead()); SQLiteDatabase db = this.getWritableDatabase(); String[] args = {uuid}; db.beginTransaction(); db.update(Message.TABLENAME, message.getContentValues(), Message.UUID + "=?", args); MessageDatabaseAccess.updateMessageParameters(db, message, uuid); db.setTransactionSuccessful(); db.endTransaction(); } public void readRoster(Roster roster) { SQLiteDatabase db = this.getReadableDatabase(); Cursor cursor; String args[] = {roster.getAccount().getUuid()}; cursor = db.query(Contact.TABLENAME, null, Contact.ACCOUNT + "=?", args, null, null, null); while (cursor.moveToNext()) { roster.initContact(Contact.fromCursor(cursor)); } cursor.close(); } public void writeRoster(final Roster roster) { final Account account = roster.getAccount(); final SQLiteDatabase db = this.getWritableDatabase(); db.beginTransaction(); for (Contact contact : roster.getContacts()) { if (contact.getOption(Contact.Options.IN_ROSTER)) { db.insert(Contact.TABLENAME, null, contact.getContentValues()); } else { String where = Contact.ACCOUNT + "=? AND " + Contact.JID + "=?"; String[] whereArgs = {account.getUuid(), contact.getJid().toString()}; db.delete(Contact.TABLENAME, where, whereArgs); } } db.setTransactionSuccessful(); db.endTransaction(); account.setRosterVersion(roster.getVersion()); updateAccount(account); } public void deleteMessagesInConversation(Conversation conversation) { Logging.d("db.msg.delete", "Deleting messages in conversation with uuid '" + conversation.getUuid()); SQLiteDatabase db = this.getWritableDatabase(); String[] args = {conversation.getUuid()}; db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args); } public Pair getLastMessageReceived(Account account) { Cursor cursor = null; try { SQLiteDatabase db = this.getReadableDatabase(); String sql = "select messages.timeSent,messages.serverMsgId from accounts join conversations on accounts.uuid=conversations.accountUuid join messages on conversations.uuid=messages.conversationUuid where accounts.uuid=? and (messages.status=0 or messages.carbon=1 or messages.serverMsgId not null) order by messages.timesent desc limit 1"; String[] args = {account.getUuid()}; cursor = db.rawQuery(sql, args); if (cursor.getCount() == 0) { return null; } else { cursor.moveToFirst(); return new Pair<>(cursor.getLong(0), cursor.getString(1)); } } catch (Exception e) { return null; } finally { if (cursor != null) { cursor.close(); } } } private Cursor getCursorForSession(Account account, AxolotlAddress contact) { final SQLiteDatabase db = this.getReadableDatabase(); String[] columns = null; String[] selectionArgs = {account.getUuid(), contact.getName(), Integer.toString(contact.getDeviceId())}; Cursor cursor = db.query(SQLiteAxolotlStore.SESSION_TABLENAME, columns, SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.NAME + " = ? AND " + SQLiteAxolotlStore.DEVICE_ID + " = ? ", selectionArgs, null, null, null); return cursor; } public SessionRecord loadSession(Account account, AxolotlAddress contact) { SessionRecord session = null; Cursor cursor = getCursorForSession(account, contact); if (cursor.getCount() != 0) { cursor.moveToFirst(); try { session = new SessionRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT)); } catch (IOException e) { cursor.close(); throw new AssertionError(e); } } cursor.close(); return session; } public List getSubDeviceSessions(Account account, AxolotlAddress contact) { final SQLiteDatabase db = this.getReadableDatabase(); return getSubDeviceSessions(db, account, contact); } private List getSubDeviceSessions(SQLiteDatabase db, Account account, AxolotlAddress contact) { List devices = new ArrayList<>(); String[] columns = {SQLiteAxolotlStore.DEVICE_ID}; String[] selectionArgs = {account.getUuid(), contact.getName()}; Cursor cursor = db.query(SQLiteAxolotlStore.SESSION_TABLENAME, columns, SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.NAME + " = ?", selectionArgs, null, null, null); while (cursor.moveToNext()) { devices.add(cursor.getInt( cursor.getColumnIndex(SQLiteAxolotlStore.DEVICE_ID))); } cursor.close(); return devices; } public boolean containsSession(Account account, AxolotlAddress contact) { Cursor cursor = getCursorForSession(account, contact); int count = cursor.getCount(); cursor.close(); return count != 0; } public void storeSession(Account account, AxolotlAddress contact, SessionRecord session) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.NAME, contact.getName()); values.put(SQLiteAxolotlStore.DEVICE_ID, contact.getDeviceId()); values.put(SQLiteAxolotlStore.KEY, Base64.encodeToString(session.serialize(), Base64.DEFAULT)); values.put(SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(SQLiteAxolotlStore.SESSION_TABLENAME, null, values); } public void deleteSession(Account account, AxolotlAddress contact) { SQLiteDatabase db = this.getWritableDatabase(); deleteSession(db, account, contact); } private void deleteSession(SQLiteDatabase db, Account account, AxolotlAddress contact) { String[] args = {account.getUuid(), contact.getName(), Integer.toString(contact.getDeviceId())}; db.delete(SQLiteAxolotlStore.SESSION_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.NAME + " = ? AND " + SQLiteAxolotlStore.DEVICE_ID + " = ? ", args); } public void deleteAllSessions(Account account, AxolotlAddress contact) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid(), contact.getName()}; db.delete(SQLiteAxolotlStore.SESSION_TABLENAME, SQLiteAxolotlStore.ACCOUNT + "=? AND " + SQLiteAxolotlStore.NAME + " = ?", args); } private Cursor getCursorForPreKey(Account account, int preKeyId) { SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid(), Integer.toString(preKeyId)}; Cursor cursor = db.query(SQLiteAxolotlStore.PREKEY_TABLENAME, columns, SQLiteAxolotlStore.ACCOUNT + "=? AND " + SQLiteAxolotlStore.ID + "=?", selectionArgs, null, null, null); return cursor; } public PreKeyRecord loadPreKey(Account account, int preKeyId) { PreKeyRecord record = null; Cursor cursor = getCursorForPreKey(account, preKeyId); if (cursor.getCount() != 0) { cursor.moveToFirst(); try { record = new PreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT)); } catch (IOException e) { throw new AssertionError(e); } } cursor.close(); return record; } public boolean containsPreKey(Account account, int preKeyId) { Cursor cursor = getCursorForPreKey(account, preKeyId); int count = cursor.getCount(); cursor.close(); return count != 0; } public void storePreKey(Account account, PreKeyRecord record) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.ID, record.getId()); values.put(SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(), Base64.DEFAULT)); values.put(SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(SQLiteAxolotlStore.PREKEY_TABLENAME, null, values); } public void deletePreKey(Account account, int preKeyId) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid(), Integer.toString(preKeyId)}; db.delete(SQLiteAxolotlStore.PREKEY_TABLENAME, SQLiteAxolotlStore.ACCOUNT + "=? AND " + SQLiteAxolotlStore.ID + "=?", args); } private Cursor getCursorForSignedPreKey(Account account, int signedPreKeyId) { SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid(), Integer.toString(signedPreKeyId)}; Cursor cursor = db.query(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, columns, SQLiteAxolotlStore.ACCOUNT + "=? AND " + SQLiteAxolotlStore.ID + "=?", selectionArgs, null, null, null); return cursor; } public SignedPreKeyRecord loadSignedPreKey(Account account, int signedPreKeyId) { SignedPreKeyRecord record = null; Cursor cursor = getCursorForSignedPreKey(account, signedPreKeyId); if (cursor.getCount() != 0) { cursor.moveToFirst(); try { record = new SignedPreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT)); } catch (IOException e) { throw new AssertionError(e); } } cursor.close(); return record; } public List loadSignedPreKeys(Account account) { List prekeys = new ArrayList<>(); SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid()}; Cursor cursor = db.query(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, columns, SQLiteAxolotlStore.ACCOUNT + "=?", selectionArgs, null, null, null); while (cursor.moveToNext()) { try { prekeys.add(new SignedPreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT))); } catch (IOException ignored) { } } cursor.close(); return prekeys; } public boolean containsSignedPreKey(Account account, int signedPreKeyId) { Cursor cursor = getCursorForPreKey(account, signedPreKeyId); int count = cursor.getCount(); cursor.close(); return count != 0; } public void storeSignedPreKey(Account account, SignedPreKeyRecord record) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.ID, record.getId()); values.put(SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(), Base64.DEFAULT)); values.put(SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, null, values); } public void deleteSignedPreKey(Account account, int signedPreKeyId) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid(), Integer.toString(signedPreKeyId)}; db.delete(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, SQLiteAxolotlStore.ACCOUNT + "=? AND " + SQLiteAxolotlStore.ID + "=?", args); } private Cursor getIdentityKeyCursor(Account account, String name, boolean own) { final SQLiteDatabase db = this.getReadableDatabase(); return getIdentityKeyCursor(db, account, name, own); } private Cursor getIdentityKeyCursor(SQLiteDatabase db, Account account, String name, boolean own) { return getIdentityKeyCursor(db, account, name, own, null); } private Cursor getIdentityKeyCursor(Account account, String fingerprint) { final SQLiteDatabase db = this.getReadableDatabase(); return getIdentityKeyCursor(db, account, fingerprint); } private Cursor getIdentityKeyCursor(SQLiteDatabase db, Account account, String fingerprint) { return getIdentityKeyCursor(db, account, null, null, fingerprint); } private Cursor getIdentityKeyCursor(SQLiteDatabase db, Account account, String name, Boolean own, String fingerprint) { String[] columns = {SQLiteAxolotlStore.TRUSTED, SQLiteAxolotlStore.KEY}; ArrayList selectionArgs = new ArrayList<>(4); selectionArgs.add(account.getUuid()); String selectionString = SQLiteAxolotlStore.ACCOUNT + " = ?"; if (name != null) { selectionArgs.add(name); selectionString += " AND " + SQLiteAxolotlStore.NAME + " = ?"; } if (fingerprint != null) { selectionArgs.add(fingerprint); selectionString += " AND " + SQLiteAxolotlStore.FINGERPRINT + " = ?"; } if (own != null) { selectionArgs.add(own ? "1" : "0"); selectionString += " AND " + SQLiteAxolotlStore.OWN + " = ?"; } Cursor cursor = db.query(SQLiteAxolotlStore.IDENTITIES_TABLENAME, columns, selectionString, selectionArgs.toArray(new String[selectionArgs.size()]), null, null, null); return cursor; } public IdentityKeyPair loadOwnIdentityKeyPair(Account account) { SQLiteDatabase db = getReadableDatabase(); return loadOwnIdentityKeyPair(db, account); } private IdentityKeyPair loadOwnIdentityKeyPair(SQLiteDatabase db, Account account) { String name = account.getJid().toBareJid().toString(); IdentityKeyPair identityKeyPair = null; Cursor cursor = getIdentityKeyCursor(db, account, name, true); if (cursor.getCount() != 0) { cursor.moveToFirst(); try { identityKeyPair = new IdentityKeyPair(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT)); } catch (InvalidKeyException e) { Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Encountered invalid IdentityKey in database for account" + account.getJid().toBareJid() + ", address: " + name); } } cursor.close(); return identityKeyPair; } public Set loadIdentityKeys(Account account, String name) { return loadIdentityKeys(account, name, null); } public Set loadIdentityKeys(Account account, String name, XmppAxolotlSession.Trust trust) { Set identityKeys = new HashSet<>(); Cursor cursor = getIdentityKeyCursor(account, name, false); while (cursor.moveToNext()) { if (trust != null && cursor.getInt(cursor.getColumnIndex(SQLiteAxolotlStore.TRUSTED)) != trust.getCode()) { continue; } try { identityKeys.add(new IdentityKey(Base64.decode(cursor.getString(cursor.getColumnIndex(SQLiteAxolotlStore.KEY)), Base64.DEFAULT), 0)); } catch (InvalidKeyException e) { Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Encountered invalid IdentityKey in database for account" + account.getJid().toBareJid() + ", address: " + name); } } cursor.close(); return identityKeys; } public long numTrustedKeys(Account account, String name) { SQLiteDatabase db = getReadableDatabase(); String[] args = { account.getUuid(), name, String.valueOf(XmppAxolotlSession.Trust.TRUSTED.getCode()), String.valueOf(XmppAxolotlSession.Trust.TRUSTED_X509.getCode()) }; return DatabaseUtils.queryNumEntries(db, SQLiteAxolotlStore.IDENTITIES_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ?" + " AND " + SQLiteAxolotlStore.NAME + " = ?" + " AND (" + SQLiteAxolotlStore.TRUSTED + " = ? OR " + SQLiteAxolotlStore.TRUSTED + " = ?)", args ); } private void storeIdentityKey(Account account, String name, boolean own, String fingerprint, String base64Serialized) { storeIdentityKey(account, name, own, fingerprint, base64Serialized, XmppAxolotlSession.Trust.UNDECIDED); } private void storeIdentityKey(Account account, String name, boolean own, String fingerprint, String base64Serialized, XmppAxolotlSession.Trust trusted) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.ACCOUNT, account.getUuid()); values.put(SQLiteAxolotlStore.NAME, name); values.put(SQLiteAxolotlStore.OWN, own ? 1 : 0); values.put(SQLiteAxolotlStore.FINGERPRINT, fingerprint); values.put(SQLiteAxolotlStore.KEY, base64Serialized); values.put(SQLiteAxolotlStore.TRUSTED, trusted.getCode()); db.insert(SQLiteAxolotlStore.IDENTITIES_TABLENAME, null, values); } public XmppAxolotlSession.Trust isIdentityKeyTrusted(Account account, String fingerprint) { Cursor cursor = getIdentityKeyCursor(account, fingerprint); XmppAxolotlSession.Trust trust = null; if (cursor.getCount() > 0) { cursor.moveToFirst(); int trustValue = cursor.getInt(cursor.getColumnIndex(SQLiteAxolotlStore.TRUSTED)); trust = XmppAxolotlSession.Trust.fromCode(trustValue); } cursor.close(); return trust; } public boolean setIdentityKeyTrust(Account account, String fingerprint, XmppAxolotlSession.Trust trust) { SQLiteDatabase db = this.getWritableDatabase(); return setIdentityKeyTrust(db, account, fingerprint, trust); } private boolean setIdentityKeyTrust(SQLiteDatabase db, Account account, String fingerprint, XmppAxolotlSession.Trust trust) { String[] selectionArgs = { account.getUuid(), fingerprint }; ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.TRUSTED, trust.getCode()); int rows = db.update(SQLiteAxolotlStore.IDENTITIES_TABLENAME, values, SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.FINGERPRINT + " = ? ", selectionArgs); return rows == 1; } public boolean setIdentityKeyCertificate(Account account, String fingerprint, X509Certificate x509Certificate) { SQLiteDatabase db = this.getWritableDatabase(); String[] selectionArgs = { account.getUuid(), fingerprint }; try { ContentValues values = new ContentValues(); values.put(SQLiteAxolotlStore.CERTIFICATE, x509Certificate.getEncoded()); return db.update(SQLiteAxolotlStore.IDENTITIES_TABLENAME, values, SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.FINGERPRINT + " = ? ", selectionArgs) == 1; } catch (CertificateEncodingException e) { Log.d(Config.LOGTAG, "could not encode certificate"); return false; } } public X509Certificate getIdentityKeyCertifcate(Account account, String fingerprint) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = { account.getUuid(), fingerprint }; String[] colums = {SQLiteAxolotlStore.CERTIFICATE}; String selection = SQLiteAxolotlStore.ACCOUNT + " = ? AND " + SQLiteAxolotlStore.FINGERPRINT + " = ? "; Cursor cursor = db.query(SQLiteAxolotlStore.IDENTITIES_TABLENAME, colums, selection, selectionArgs, null, null, null); if (cursor.getCount() < 1) { return null; } else { cursor.moveToFirst(); byte[] certificate = cursor.getBlob(cursor.getColumnIndex(SQLiteAxolotlStore.CERTIFICATE)); if (certificate == null || certificate.length == 0) { return null; } try { CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509"); return (X509Certificate) certificateFactory.generateCertificate(new ByteArrayInputStream(certificate)); } catch (CertificateException e) { Log.d(Config.LOGTAG,"certificate exception "+e.getMessage()); return null; } } } public void storeIdentityKey(Account account, String name, IdentityKey identityKey) { storeIdentityKey(account, name, false, identityKey.getFingerprint().replaceAll("\\s", ""), Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT)); } public void storeOwnIdentityKeyPair(Account account, IdentityKeyPair identityKeyPair) { storeIdentityKey(account, account.getJid().toBareJid().toString(), true, identityKeyPair.getPublicKey().getFingerprint().replaceAll("\\s", ""), Base64.encodeToString(identityKeyPair.serialize(), Base64.DEFAULT), XmppAxolotlSession.Trust.TRUSTED); } public void recreateAxolotlDb() { recreateAxolotlDb(getWritableDatabase()); } public void recreateAxolotlDb(SQLiteDatabase db) { Log.d(Config.LOGTAG, AxolotlServiceImpl.LOGPREFIX + " : " + ">>> (RE)CREATING AXOLOTL DATABASE <<<"); db.execSQL("DROP TABLE IF EXISTS " + SQLiteAxolotlStore.SESSION_TABLENAME); db.execSQL(CREATE_SESSIONS_STATEMENT); db.execSQL("DROP TABLE IF EXISTS " + SQLiteAxolotlStore.PREKEY_TABLENAME); db.execSQL(CREATE_PREKEYS_STATEMENT); db.execSQL("DROP TABLE IF EXISTS " + SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME); db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT); db.execSQL("DROP TABLE IF EXISTS " + SQLiteAxolotlStore.IDENTITIES_TABLENAME); db.execSQL(CREATE_IDENTITIES_STATEMENT); } public void wipeAxolotlDb(Account account) { String accountName = account.getUuid(); Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + ">>> WIPING AXOLOTL DATABASE FOR ACCOUNT " + accountName + " <<<"); SQLiteDatabase db = this.getWritableDatabase(); String[] deleteArgs = { accountName }; db.delete(SQLiteAxolotlStore.SESSION_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ?", deleteArgs); db.delete(SQLiteAxolotlStore.PREKEY_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ?", deleteArgs); db.delete(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ?", deleteArgs); db.delete(SQLiteAxolotlStore.IDENTITIES_TABLENAME, SQLiteAxolotlStore.ACCOUNT + " = ?", deleteArgs); } }