package se.leap.bitmaskclient; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.os.Bundle; import android.support.annotation.IntDef; import android.support.annotation.Nullable; import android.util.Log; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import de.blinkt.openvpn.core.VpnStatus; import se.leap.bitmaskclient.eip.EipCommand; import se.leap.bitmaskclient.userstatus.User; import se.leap.bitmaskclient.utils.ConfigHelper; import static se.leap.bitmaskclient.Constants.APP_ACTION_CONFIGURE_ALWAYS_ON_PROFILE; import static se.leap.bitmaskclient.Constants.EIP_RESTART_ON_BOOT; import static se.leap.bitmaskclient.Constants.PREFERENCES_APP_VERSION; import static se.leap.bitmaskclient.Constants.PROVIDER_EIP_DEFINITION; import static se.leap.bitmaskclient.Constants.PROVIDER_KEY; import static se.leap.bitmaskclient.Constants.REQUEST_CODE_CONFIGURE_LEAP; import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES; import static se.leap.bitmaskclient.MainActivity.ACTION_SHOW_VPN_FRAGMENT; import static se.leap.bitmaskclient.utils.PreferenceHelper.getSavedProviderFromSharedPreferences; import static se.leap.bitmaskclient.utils.PreferenceHelper.providerInSharedPreferences; import static se.leap.bitmaskclient.utils.PreferenceHelper.storeProviderInPreferences; /** * Activity shown at startup. Evaluates if App is started for the first time or has been upgraded * and acts and calls another activity accordingly. * */ public class StartActivity extends Activity{ public static final String TAG = StartActivity.class.getSimpleName(); @Retention(RetentionPolicy.SOURCE) @IntDef({FIRST, NORMAL, UPGRADE, DOWNGRADE}) private @interface StartupMode {} private static final int FIRST = 0; private static final int NORMAL = 1; private static final int UPGRADE = 2; private static final int DOWNGRADE = 3; private int versionCode; private int previousVersionCode; private SharedPreferences preferences; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); preferences = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE); Log.d(TAG, "Started"); switch (checkAppStart()) { case NORMAL: break; case FIRST: storeAppVersion(); // TODO start ProfileCreation & replace below code // (new Intent(getActivity(), ProviderListActivity.class), Constants.REQUEST_CODE_SWITCH_PROVIDER); break; case UPGRADE: executeUpgrade(); // TODO show donation dialog break; case DOWNGRADE: // TODO think how and why this should happen and what todo break; } // initialize app necessities VpnStatus.initLogCache(getApplicationContext().getCacheDir()); User.init(getString(R.string.default_username)); prepareEIP(); } /** * check if normal start, first run, up or downgrade * @return @StartupMode */ @StartupMode private int checkAppStart() { try { versionCode = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode; previousVersionCode = preferences.getInt(PREFERENCES_APP_VERSION, -1); // versions do match -> normal start if (versionCode == previousVersionCode) { Log.d(TAG, "App start was: NORMAL START"); return NORMAL; } // no previous app version -> first start if (previousVersionCode == -1 ) { Log.d(TAG, "FIRST START"); return FIRST; } // version has increased -> upgrade if (versionCode > previousVersionCode) { Log.d(TAG, "UPGRADE"); return UPGRADE; } // version has decreased -> downgrade if (versionCode < previousVersionCode) { Log.d(TAG, "DOWNGRADE"); return DOWNGRADE; } } catch (PackageManager.NameNotFoundException e) { Log.d(TAG, "Splash screen didn't find any " + getPackageName() + " package"); } return NORMAL; } /** * execute necessary upgrades for version change */ private void executeUpgrade() { if (hasNewFeature(FeatureVersionCode.MULTIPLE_PROFILES)) { // TODO prepare usage of multiple profiles } if (hasNewFeature(FeatureVersionCode.RENAMED_EIP_IN_PREFERENCES)) { String eipJson = preferences.getString(PROVIDER_KEY, null); if (eipJson != null) { preferences.edit().putString(PROVIDER_EIP_DEFINITION, eipJson). remove(PROVIDER_KEY).apply(); } } // ensure all upgrades have passed before storing new information storeAppVersion(); } /** * check if an upgrade passed or moved to given milestone * @param featureVersionCode Version code of the Milestone FeatureVersionCode.MILE_STONE * @return true if milestone is reached - false otherwise */ private boolean hasNewFeature(int featureVersionCode) { return previousVersionCode < featureVersionCode && versionCode >= featureVersionCode; } private void storeAppVersion() { preferences.edit().putInt(PREFERENCES_APP_VERSION, versionCode).apply(); } private void prepareEIP() { boolean provider_exists = providerInSharedPreferences(preferences); if (provider_exists) { Provider provider = getSavedProviderFromSharedPreferences(preferences); if(!provider.isConfigured()) { configureLeapProvider(); } else { Log.d(TAG, "vpn provider is configured"); if (getIntent() != null && getIntent().getBooleanExtra(EIP_RESTART_ON_BOOT, false)) { EipCommand.startVPN(this, true); finish(); return; } showMainActivity(); } } else { configureLeapProvider(); } } private void configureLeapProvider() { if (getIntent().hasExtra(APP_ACTION_CONFIGURE_ALWAYS_ON_PROFILE)) { getIntent().removeExtra(APP_ACTION_CONFIGURE_ALWAYS_ON_PROFILE); } startActivityForResult(new Intent(this, ProviderListActivity.class), REQUEST_CODE_CONFIGURE_LEAP); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == REQUEST_CODE_CONFIGURE_LEAP) { if (resultCode == RESULT_OK && data != null && data.hasExtra(Provider.KEY)) { Provider provider = data.getParcelableExtra(Provider.KEY); storeProviderInPreferences(preferences, provider); EipCommand.startVPN(this, false); showMainActivity(); } else if (resultCode == RESULT_CANCELED) { finish(); } } } private void showMainActivity() { Intent intent = new Intent(this, MainActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.setAction(ACTION_SHOW_VPN_FRAGMENT); startActivity(intent); finish(); } }