private void decryptCredentials(DatabaseEntry entry, JSONObject jDatabase) {
String databaseUsername, databasePassword = null;
// if no encryption key or both username and password are empty, skip encryption
if (!SettingsManager.getSyncSetting(SettingsManager.SyncKey.sync_credentials)
|| TextUtils.isEmpty(SettingsManager.getEc())
|| (TextUtils.isEmpty(databaseUsername = jDatabase.optString("database_username"))
&& TextUtils.isEmpty(databasePassword = jDatabase.optString("database_password"))))
return;
try {
AesCbcWithIntegrity.SecretKeys keys = AesCbcWithIntegrity.keys(SettingsManager.getEc());
if (!TextUtils.isEmpty(databaseUsername)) {
AesCbcWithIntegrity.CipherTextIvMac cipherTextIvMac =
new AesCbcWithIntegrity.CipherTextIvMac(databaseUsername);
entry.databaseUsername = AesCbcWithIntegrity.decryptString(cipherTextIvMac, keys);
}
if (!TextUtils.isEmpty(databasePassword)) {
AesCbcWithIntegrity.CipherTextIvMac cipherTextIvMac =
new AesCbcWithIntegrity.CipherTextIvMac(databasePassword);
entry.databasePassword = AesCbcWithIntegrity.decryptString(cipherTextIvMac, keys);
}
} catch (GeneralSecurityException | UnsupportedEncodingException e) {
if (SettingsManager.DEBUG()) e.printStackTrace();
// fail silently on any kind of error
// user will see warning on database entry when restored without username/password
}
}
public void parseSyncResponse() {
if (SettingsManager.DEBUG()) Log.d("sync", "parse sync response");
if (jsonObject == null) return;
JSONObject jData = jsonObject.optJSONObject("data");
if (jData != null) {
// query history
if (SettingsManager.getSyncSetting(SettingsManager.SyncKey.sync_query_history)) {
JSONArray jQueryHistory = jData.optJSONArray("query_history");
if (jQueryHistory != null) {
List<String> queryHistory = new ArrayList<>();
for (int i = 0; i < jQueryHistory.length(); i++) {
queryHistory.add(jQueryHistory.optString(i));
}
DatabaseManager.getInstance().insertQueryHistory(queryHistory);
}
}
// databases
if (SettingsManager.getSyncSetting(SettingsManager.SyncKey.sync_databases)) {
JSONArray jDatabases = jData.optJSONArray("databases");
if (jDatabases != null) {
List<DatabaseEntry> entries = new ArrayList<>();
for (int i = 0; i < jDatabases.length(); i++) {
JSONObject jDatabase = jDatabases.optJSONObject(i);
DatabaseEntry databaseEntry = new DatabaseEntry();
databaseEntry.id = jDatabase.optString("_id");
databaseEntry.type = jDatabase.optString("type");
databaseEntry.databaseUri = jDatabase.optString("database_uri");
databaseEntry.databaseName = jDatabase.optString("database_name");
if (TextUtils.isEmpty(databaseEntry.id)
|| TextUtils.isEmpty(databaseEntry.type)
|| TextUtils.isEmpty(databaseEntry.databaseUri)) {
continue;
}
databaseEntry.databasePort = jDatabase.optInt("database_port");
decryptCredentials(databaseEntry, jDatabase);
databaseEntry.isFavorite = jDatabase.optBoolean("is_favorite");
databaseEntry.created = jDatabase.optLong("created");
databaseEntry.accessed = jDatabase.optLong("accessed");
entries.add(databaseEntry);
}
DatabaseManager.getInstance().insertDatabaseEntry(entries);
DatabaseManager.getInstance()
.rawQueryNoResult("DELETE FROM _database WHERE deleted = 1", null);
}
}
// settings
if (SettingsManager.getSyncSetting(SettingsManager.SyncKey.sync_settings)) {
JSONObject jSettings = jData.optJSONObject("settings");
if (jSettings != null) {
for (SettingsManager.SyncKey key : SettingsManager.SyncKey.values()) {
if (!key.isSyncable() || !jSettings.has(key.toString())) continue;
boolean enabled = jSettings.optBoolean(key.toString());
SettingsManager.setSyncSetting(key, enabled);
}
for (SettingsManager.Key key : SettingsManager.Key.values()) {
if (!key.isSyncable() || !jSettings.has(key.toString())) continue;
if (key.getKeyClass() == long.class) {
SettingsManager.setSetting(key, jSettings.optLong(key.toString()));
} else {
SettingsManager.setSetting(key, jSettings.opt(key.toString()));
}
}
}
}
}
}