package eu.siacs.conversations.persistance; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteCantOpenDatabaseException; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.util.Base64; import android.util.Log; import org.whispersystems.libaxolotl.AxolotlAddress; import org.whispersystems.libaxolotl.state.PreKeyRecord; import org.whispersystems.libaxolotl.state.SessionRecord; import org.whispersystems.libaxolotl.state.SignedPreKeyRecord; import java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.concurrent.CopyOnWriteArrayList; import eu.siacs.conversations.Config; import eu.siacs.conversations.crypto.axolotl.AxolotlService; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.entities.Roster; import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.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 = 15; 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_PREKEYS_STATEMENT = "CREATE TABLE " + AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME + "(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + AxolotlService.SQLiteAxolotlStore.ID + " INTEGER, " + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + AxolotlService.SQLiteAxolotlStore.ID + ") ON CONFLICT REPLACE" +");"; private static String CREATE_SIGNED_PREKEYS_STATEMENT = "CREATE TABLE " + AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME + "(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + AxolotlService.SQLiteAxolotlStore.ID + " INTEGER, " + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + AxolotlService.SQLiteAxolotlStore.ID + ") ON CONFLICT REPLACE"+ ");"; private static String CREATE_SESSIONS_STATEMENT = "CREATE TABLE " + AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME + "(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + " TEXT, " + AxolotlService.SQLiteAxolotlStore.NAME + " TEXT, " + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + " INTEGER, " + AxolotlService.SQLiteAxolotlStore.TRUSTED + " INTEGER, " + AxolotlService.SQLiteAxolotlStore.KEY + " TEXT, FOREIGN KEY(" + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ") REFERENCES " + Account.TABLENAME + "(" + Account.UUID + ") ON DELETE CASCADE, " + "UNIQUE( " + AxolotlService.SQLiteAxolotlStore.ACCOUNT + ", " + AxolotlService.SQLiteAxolotlStore.NAME + ", " + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + ") ON CONFLICT REPLACE" +");"; private DatabaseBackend(Context context) { super(context, DATABASE_NAME, null, 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.ROSTERVERSION + " TEXT," + Account.OPTIONS + " NUMBER, " + Account.AVATAR + " TEXT, " + Account.KEYS + " TEXT)"); 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.REMOTE_MSG_ID + " TEXT, FOREIGN KEY(" + Message.CONVERSATION + ") REFERENCES " + Conversation.TABLENAME + "(" + Conversation.UUID + ") ON DELETE CASCADE);"); db.execSQL(CREATE_CONTATCS_STATEMENT); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { 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) { Log.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) { Log.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) { Log.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) { db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME); db.execSQL(CREATE_SESSIONS_STATEMENT); db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME); db.execSQL(CREATE_PREKEYS_STATEMENT); db.execSQL("DROP TABLE IF EXISTS " + AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME); db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT); } } 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) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(Message.TABLENAME, null, message.getContentValues()); } public void createAccount(Account account) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(Account.TABLENAME, null, account.getContentValues()); } public void createContact(Contact contact) { SQLiteDatabase db = this.getWritableDatabase(); db.insert(Contact.TABLENAME, null, contact.getContentValues()); } public int getConversationCount() { SQLiteDatabase db = this.getReadableDatabase(); Cursor cursor = db.rawQuery("select count(uuid) as count from " + Conversation.TABLENAME + " where " + Conversation.STATUS + "=" + Conversation.STATUS_AVAILABLE, null); cursor.moveToFirst(); int count = cursor.getInt(0); cursor.close(); return count; } 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); message.setConversation(conversation); list.add(message); } while (cursor.moveToPrevious()); } cursor.close(); return list; } 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) 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() { List list = new ArrayList<>(); SQLiteDatabase db = this.getReadableDatabase(); 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); cursor.close(); return (count > 0); } catch (SQLiteCantOpenDatabaseException e) { return true; // better safe than sorry } catch (RuntimeException e) { return true; // better safe than sorry } } @Override public SQLiteDatabase getWritableDatabase() { SQLiteDatabase db = super.getWritableDatabase(); db.execSQL("PRAGMA foreign_keys=ON;"); return db; } public void updateMessage(Message message) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = { message.getUuid() }; db.update(Message.TABLENAME, message.getContentValues(), Message.UUID + "=?", args); } 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(); 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); } } account.setRosterVersion(roster.getVersion()); updateAccount(account); } public void deleteMessage(Message message) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = { message.getUuid() }; db.delete(Message.TABLENAME, Message.UUID + "=?", args); } public void deleteMessagesInConversation(Conversation conversation) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = { conversation.getUuid() }; db.delete(Message.TABLENAME, Message.CONVERSATION + "=?", args); } public Conversation findConversationByUuid(String conversationUuid) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = { conversationUuid }; Cursor cursor = db.query(Conversation.TABLENAME, null, Conversation.UUID + "=?", selectionArgs, null, null, null); if (cursor.getCount() == 0) { return null; } cursor.moveToFirst(); Conversation conversation = Conversation.fromCursor(cursor); cursor.close(); return conversation; } public Message findMessageByUuid(String messageUuid) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = { messageUuid }; Cursor cursor = db.query(Message.TABLENAME, null, Message.UUID + "=?", selectionArgs, null, null, null); if (cursor.getCount() == 0) { return null; } cursor.moveToFirst(); Message message = Message.fromCursor(cursor); cursor.close(); return message; } public Account findAccountByUuid(String accountUuid) { SQLiteDatabase db = this.getReadableDatabase(); String[] selectionArgs = { accountUuid }; Cursor cursor = db.query(Account.TABLENAME, null, Account.UUID + "=?", selectionArgs, null, null, null); if (cursor.getCount() == 0) { return null; } cursor.moveToFirst(); Account account = Account.fromCursor(cursor); cursor.close(); return account; } public List getImageMessages(Conversation conversation) { ArrayList list = new ArrayList<>(); SQLiteDatabase db = this.getReadableDatabase(); Cursor cursor; String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) }; cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION + "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null); if (cursor.getCount() > 0) { cursor.moveToLast(); do { Message message = Message.fromCursor(cursor); message.setConversation(conversation); list.add(message); } while (cursor.moveToPrevious()); } cursor.close(); return list; } 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(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, columns, AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND " + AxolotlService.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(AxolotlService.SQLiteAxolotlStore.KEY)),Base64.DEFAULT)); } catch (IOException e) { throw new AssertionError(e); } } cursor.close(); return session; } public List getSubDeviceSessions(Account account, AxolotlAddress contact) { List devices = new ArrayList<>(); final SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {AxolotlService.SQLiteAxolotlStore.DEVICE_ID}; String[] selectionArgs = {account.getUuid(), contact.getName()}; Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, columns, AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND ", selectionArgs, null, null, null); while(cursor.moveToNext()) { devices.add(cursor.getInt( cursor.getColumnIndex(AxolotlService.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(AxolotlService.SQLiteAxolotlStore.NAME, contact.getName()); values.put(AxolotlService.SQLiteAxolotlStore.DEVICE_ID, contact.getDeviceId()); values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(session.serialize(),Base64.DEFAULT)); values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, null, values); } public void deleteSession(Account account, AxolotlAddress contact) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid(), contact.getName(), Integer.toString(contact.getDeviceId())}; db.delete(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, AxolotlService.SQLiteAxolotlStore.ACCOUNT + " = ? AND " + AxolotlService.SQLiteAxolotlStore.NAME + " = ? AND " + AxolotlService.SQLiteAxolotlStore.DEVICE_ID + " = ? ", args); } public void deleteAllSessions(Account account, AxolotlAddress contact) { SQLiteDatabase db = this.getWritableDatabase(); String[] args = {account.getUuid(), contact.getName()}; db.delete(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.SQLiteAxolotlStore.NAME + " = ?", args); } public boolean isTrustedSession(Account account, AxolotlAddress contact) { boolean trusted = false; Cursor cursor = getCursorForSession(account, contact); if(cursor.getCount() != 0) { cursor.moveToFirst(); trusted = cursor.getInt(cursor.getColumnIndex( AxolotlService.SQLiteAxolotlStore.TRUSTED)) > 0; } cursor.close(); return trusted; } public void setTrustedSession(Account account, AxolotlAddress contact, boolean trusted) { SQLiteDatabase db = this.getWritableDatabase(); ContentValues values = new ContentValues(); values.put(AxolotlService.SQLiteAxolotlStore.NAME, contact.getName()); values.put(AxolotlService.SQLiteAxolotlStore.DEVICE_ID, contact.getDeviceId()); values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); values.put(AxolotlService.SQLiteAxolotlStore.TRUSTED, trusted?1:0); db.insert(AxolotlService.SQLiteAxolotlStore.SESSION_TABLENAME, null, values); } private Cursor getCursorForPreKey(Account account, int preKeyId) { SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid(), Integer.toString(preKeyId)}; Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, columns, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.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(AxolotlService.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(AxolotlService.SQLiteAxolotlStore.ID, record.getId()); values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(),Base64.DEFAULT)); values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(AxolotlService.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(AxolotlService.SQLiteAxolotlStore.PREKEY_TABLENAME, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.SQLiteAxolotlStore.ID + "=?", args); } private Cursor getCursorForSignedPreKey(Account account, int signedPreKeyId) { SQLiteDatabase db = this.getReadableDatabase(); String[] columns = {AxolotlService.SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid(), Integer.toString(signedPreKeyId)}; Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, columns, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.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(AxolotlService.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 = {AxolotlService.SQLiteAxolotlStore.KEY}; String[] selectionArgs = {account.getUuid()}; Cursor cursor = db.query(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, columns, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=?", selectionArgs, null, null, null); while(cursor.moveToNext()) { try { prekeys.add(new SignedPreKeyRecord(Base64.decode(cursor.getString(cursor.getColumnIndex(AxolotlService.SQLiteAxolotlStore.KEY)), Base64.DEFAULT))); } catch (IOException ignored) { } } 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(AxolotlService.SQLiteAxolotlStore.ID, record.getId()); values.put(AxolotlService.SQLiteAxolotlStore.KEY, Base64.encodeToString(record.serialize(),Base64.DEFAULT)); values.put(AxolotlService.SQLiteAxolotlStore.ACCOUNT, account.getUuid()); db.insert(AxolotlService.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(AxolotlService.SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME, AxolotlService.SQLiteAxolotlStore.ACCOUNT + "=? AND " + AxolotlService.SQLiteAxolotlStore.ID + "=?", args); } }