Convert autofill package to Kotlin (#515)

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

1 files changed, 0 insertions, 606 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/AutofillService.java b/app/src/main/java/com/zeapo/pwdstore/autofill/AutofillService.java
deleted file mode 100644
index 8ad27b4f..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/AutofillService.java
+++ /dev/null
@@ -1,606 +0,0 @@
-package com.zeapo.pwdstore.autofill;
-
-import android.accessibilityservice.AccessibilityService;
-import android.app.PendingIntent;
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.provider.Settings;
-import android.util.Log;
-import android.view.WindowManager;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityNodeInfo;
-import android.view.accessibility.AccessibilityWindowInfo;
-import android.widget.Toast;
-import androidx.appcompat.app.AlertDialog;
-import com.zeapo.pwdstore.PasswordEntry;
-import com.zeapo.pwdstore.R;
-import com.zeapo.pwdstore.utils.PasswordRepository;
-import org.apache.commons.io.FileUtils;
-import org.openintents.openpgp.IOpenPgpService2;
-import org.openintents.openpgp.OpenPgpError;
-import org.openintents.openpgp.util.OpenPgpApi;
-import org.openintents.openpgp.util.OpenPgpServiceConnection;
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
-public class AutofillService extends AccessibilityService {
-    private static AutofillService instance;
-    private OpenPgpServiceConnection serviceConnection;
-    private SharedPreferences settings;
-    private AccessibilityNodeInfo info; // the original source of the event (the edittext field)
-    private ArrayList<File> items; // password choices
-    private int lastWhichItem;
-    private AlertDialog dialog;
-    private AccessibilityWindowInfo window;
-    private Intent resultData = null; // need the intent which contains results from user interaction
-    private CharSequence packageName;
-    private boolean ignoreActionFocus = false;
-    private String webViewTitle = null;
-    private String webViewURL = null;
-    private PasswordEntry lastPassword;
-    private long lastPasswordMaxDate;
-
-    public static AutofillService getInstance() {
-        return instance;
-    }
-
-    public void setResultData(Intent data) {
-        resultData = data;
-    }
-
-    public void setPickedPassword(String path) {
-        items.add(new File(PasswordRepository.getRepositoryDirectory(getApplicationContext()) + "/" + path + ".gpg"));
-        bindDecryptAndVerify();
-    }
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        instance = this;
-    }
-
-    @Override
-    protected void onServiceConnected() {
-        super.onServiceConnected();
-        serviceConnection = new OpenPgpServiceConnection(AutofillService.this
-                , "org.sufficientlysecure.keychain");
-        serviceConnection.bindToService();
-        settings = PreferenceManager.getDefaultSharedPreferences(this);
-    }
-
-    @Override
-    public void onAccessibilityEvent(AccessibilityEvent event) {
-        // remove stored password from cache
-        if (lastPassword != null && System.currentTimeMillis() > lastPasswordMaxDate) {
-            lastPassword = null;
-        }
-
-        // if returning to the source app from a successful AutofillActivity
-        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED
-                && event.getPackageName() != null && event.getPackageName().equals(packageName)
-                && resultData != null) {
-            bindDecryptAndVerify();
-        }
-
-        // look for webView and trigger accessibility events if window changes
-        // or if page changes in chrome
-        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED
-                || (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED
-                && event.getPackageName() != null
-                && (event.getPackageName().equals("com.android.chrome")
-                || event.getPackageName().equals("com.android.browser")))) {
-            // there is a chance for getRootInActiveWindow() to return null at any time. save it.
-            try {
-                AccessibilityNodeInfo root = getRootInActiveWindow();
-                webViewTitle = searchWebView(root);
-                webViewURL = null;
-                if (webViewTitle != null) {
-                    List<AccessibilityNodeInfo> nodes = root.findAccessibilityNodeInfosByViewId("com.android.chrome:id/url_bar");
-                    if (nodes.isEmpty()) {
-                        nodes = root.findAccessibilityNodeInfosByViewId("com.android.browser:id/url");
-                    }
-                    for (AccessibilityNodeInfo node : nodes)
-                        if (node.getText() != null) {
-                            try {
-                                webViewURL = new URL(node.getText().toString()).getHost();
-                            } catch (MalformedURLException e) {
-                                if (e.toString().contains("Protocol not found")) {
-                                    try {
-                                        webViewURL = new URL("http://" + node.getText().toString()).getHost();
-                                    } catch (MalformedURLException ignored) {
-                                    }
-                                }
-                            }
-                        }
-                }
-            } catch (Exception e) {
-                // sadly we were unable to access the data we wanted
-                return;
-            }
-        }
-
-        // nothing to do if field is keychain app or system ui
-        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED
-                || event.getPackageName() != null && event.getPackageName().equals("org.sufficientlysecure.keychain")
-                || event.getPackageName() != null && event.getPackageName().equals("com.android.systemui")) {
-            dismissDialog(event);
-            return;
-        }
-
-        if (!event.isPassword()) {
-            if (lastPassword != null && event.getEventType() == AccessibilityEvent.TYPE_VIEW_FOCUSED && event.getSource().isEditable()) {
-                showPasteUsernameDialog(event.getSource(), lastPassword);
-                return;
-            } else {
-                // nothing to do if not password field focus
-                dismissDialog(event);
-                return;
-            }
-        }
-
-        if (dialog != null && dialog.isShowing()) {
-            // the current dialog must belong to this window; ignore clicks on this password field
-            // why handle clicks at all then? some cases e.g. Paypal there is no initial focus event
-            if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_CLICKED) {
-                return;
-            }
-            // if it was not a click, the field was refocused or another field was focused; recreate
-            dialog.dismiss();
-            dialog = null;
-        }
-
-        // ignore the ACTION_FOCUS from decryptAndVerify otherwise dialog will appear after Fill
-        if (ignoreActionFocus) {
-            ignoreActionFocus = false;
-            return;
-        }
-
-        // need to request permission before attempting to draw dialog
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-                && !Settings.canDrawOverlays(this)) {
-            Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
-                    Uri.parse("package:" + getPackageName()));
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            startActivity(intent);
-            return;
-        }
-
-        // we are now going to attempt to fill, save AccessibilityNodeInfo for later in decryptAndVerify
-        // (there should be a proper way to do this, although this seems to work 90% of the time)
-        info = event.getSource();
-        if (info == null) return;
-
-        // save the dialog's corresponding window so we can use getWindows() in dismissDialog
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            window = info.getWindow();
-        }
-
-        String packageName;
-        String appName;
-        boolean isWeb;
-
-        // Match with the app if a webview was not found or one was found but
-        // there's no title or url to go by
-        if (webViewTitle == null || (webViewTitle.equals("") && webViewURL == null)) {
-            if (info.getPackageName() == null) return;
-            packageName = info.getPackageName().toString();
-
-            // get the app name and find a corresponding password
-            PackageManager packageManager = getPackageManager();
-            ApplicationInfo applicationInfo;
-            try {
-                applicationInfo = packageManager.getApplicationInfo(event.getPackageName().toString(), 0);
-            } catch (PackageManager.NameNotFoundException e) {
-                applicationInfo = null;
-            }
-            appName = (applicationInfo != null ? packageManager.getApplicationLabel(applicationInfo) : "").toString();
-
-            isWeb = false;
-
-            setAppMatchingPasswords(appName, packageName);
-        } else {
-            // now we may have found a title but webViewURL could be null
-            // we set packagename so that we can find the website setting entry
-            packageName = setWebMatchingPasswords(webViewTitle, webViewURL);
-            appName = packageName;
-            isWeb = true;
-        }
-
-        // if autofill_always checked, show dialog even if no matches (automatic
-        // or otherwise)
-        if (items.isEmpty() && !settings.getBoolean("autofill_always", false)) {
-            return;
-        }
-        showSelectPasswordDialog(packageName, appName, isWeb);
-    }
-
-    private String searchWebView(AccessibilityNodeInfo source) {
-        return searchWebView(source, 10);
-    }
-
-    private String searchWebView(AccessibilityNodeInfo source, int depth) {
-        if (source == null || depth == 0) {
-            return null;
-        }
-        for (int i = 0; i < source.getChildCount(); i++) {
-            AccessibilityNodeInfo u = source.getChild(i);
-            if (u == null) {
-                continue;
-            }
-            if (u.getClassName() != null && u.getClassName().equals("android.webkit.WebView")) {
-                if (u.getContentDescription() != null) {
-                    return u.getContentDescription().toString();
-                }
-                return "";
-            }
-            String webView = searchWebView(u, depth - 1);
-            if (webView != null) {
-                return webView;
-            }
-            u.recycle();
-        }
-        return null;
-    }
-
-    // dismiss the dialog if the window has changed
-    private void dismissDialog(AccessibilityEvent event) {
-        // the default keyboard showing/hiding is a window state changed event
-        // on Android 5+ we can use getWindows() to determine when the original window is not visible
-        // on Android 4.3 we have to use window state changed events and filter out the keyboard ones
-        // there may be other exceptions...
-        boolean dismiss;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            dismiss = !getWindows().contains(window);
-        } else {
-            dismiss = !(event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED &&
-                    event.getPackageName() != null &&
-                    event.getPackageName().toString().contains("inputmethod"));
-        }
-        if (dismiss && dialog != null && dialog.isShowing()) {
-            dialog.dismiss();
-            dialog = null;
-        }
-    }
-
-    private String setWebMatchingPasswords(String webViewTitle, String webViewURL) {
-        // Return the URL needed to open the corresponding Settings.
-        String settingsURL = webViewURL;
-
-        // if autofill_default is checked and prefs.getString DNE, 'Automatically match with password'/"first" otherwise "never"
-        String defValue = settings.getBoolean("autofill_default", true) ? "/first" : "/never";
-        SharedPreferences prefs;
-        String preference;
-
-        prefs = getSharedPreferences("autofill_web", Context.MODE_PRIVATE);
-        preference = defValue;
-        if (webViewURL != null) {
-            final String webViewUrlLowerCase = webViewURL.toLowerCase();
-            Map<String, ?> prefsMap = prefs.getAll();
-            for (String key : prefsMap.keySet()) {
-                // for websites unlike apps there can be blank preference of "" which
-                // means use default, so ignore it.
-                final String value = prefs.getString(key, null);
-                final String keyLowerCase = key.toLowerCase();
-                if (value != null && !value.equals("")
-                        && (webViewUrlLowerCase.contains(keyLowerCase) || keyLowerCase.contains(webViewUrlLowerCase))) {
-                    preference = value;
-                    settingsURL = key;
-                }
-            }
-        }
-
-        switch (preference) {
-            case "/first":
-                if (!PasswordRepository.isInitialized()) {
-                    PasswordRepository.initialize(this);
-                }
-                items = searchPasswords(PasswordRepository.getRepositoryDirectory(this), webViewTitle);
-                break;
-            case "/never":
-                items = new ArrayList<>();
-                break;
-            default:
-                getPreferredPasswords(preference);
-        }
-
-        return settingsURL;
-    }
-
-    private void setAppMatchingPasswords(String appName, String packageName) {
-        // if autofill_default is checked and prefs.getString DNE, 'Automatically match with password'/"first" otherwise "never"
-        String defValue = settings.getBoolean("autofill_default", true) ? "/first" : "/never";
-        SharedPreferences prefs;
-        String preference;
-
-        prefs = getSharedPreferences("autofill", Context.MODE_PRIVATE);
-        preference = prefs.getString(packageName, defValue);
-
-        switch (preference) {
-            case "/first":
-                if (!PasswordRepository.isInitialized()) {
-                    PasswordRepository.initialize(this);
-                }
-                items = searchPasswords(PasswordRepository.getRepositoryDirectory(this), appName);
-                break;
-            case "/never":
-                items = new ArrayList<>();
-                break;
-            default:
-                getPreferredPasswords(preference);
-        }
-    }
-
-    // Put the newline separated list of passwords from the SharedPreferences
-    // file into the items list.
-    private void getPreferredPasswords(String preference) {
-        if (!PasswordRepository.isInitialized()) {
-            PasswordRepository.initialize(this);
-        }
-        String preferredPasswords[] = preference.split("\n");
-        items = new ArrayList<>();
-        for (String password : preferredPasswords) {
-            String path = PasswordRepository.getRepositoryDirectory(getApplicationContext()) + "/" + password + ".gpg";
-            if (new File(path).exists()) {
-                items.add(new File(path));
-            }
-        }
-    }
-
-    private ArrayList<File> searchPasswords(File path, String appName) {
-        ArrayList<File> passList = PasswordRepository.getFilesList(path);
-
-        if (passList.size() == 0) return new ArrayList<>();
-
-        ArrayList<File> items = new ArrayList<>();
-
-        for (File file : passList) {
-            if (file.isFile()) {
-                if (!file.isHidden() && appName.toLowerCase().contains(file.getName().toLowerCase().replace(".gpg", ""))) {
-                    items.add(file);
-                }
-            } else {
-                if (!file.isHidden()) {
-                    items.addAll(searchPasswords(file, appName));
-                }
-            }
-        }
-        return items;
-    }
-
-    private void showPasteUsernameDialog(final AccessibilityNodeInfo node, final PasswordEntry password) {
-        if (dialog != null) {
-            dialog.dismiss();
-            dialog = null;
-        }
-
-        AlertDialog.Builder builder = new AlertDialog.Builder(this, R.style.Theme_AppCompat_Dialog);
-        builder.setNegativeButton(R.string.dialog_cancel, (d, which) -> {
-            dialog.dismiss();
-            dialog = null;
-        });
-        builder.setPositiveButton(R.string.autofill_paste, (d, which) -> {
-            pasteText(node, password.getUsername());
-            dialog.dismiss();
-            dialog = null;
-        });
-        builder.setMessage(getString(R.string.autofill_paste_username, password.getUsername()));
-
-        dialog = builder.create();
-        this.setDialogType(dialog);
-        dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
-        dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
-        dialog.show();
-    }
-
-    private void showSelectPasswordDialog(final String packageName, final String appName, final boolean isWeb) {
-        if (dialog != null) {
-            dialog.dismiss();
-            dialog = null;
-        }
-
-        AlertDialog.Builder builder = new AlertDialog.Builder(this, R.style.Theme_AppCompat_Dialog);
-        builder.setNegativeButton(R.string.dialog_cancel, (d, which) -> {
-            dialog.dismiss();
-            dialog = null;
-        });
-        builder.setNeutralButton("Settings", (dialog, which) -> {
-            //TODO make icon? gear?
-            // the user will have to return to the app themselves.
-            Intent intent = new Intent(AutofillService.this, AutofillPreferenceActivity.class);
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-            intent.putExtra("packageName", packageName);
-            intent.putExtra("appName", appName);
-            intent.putExtra("isWeb", isWeb);
-            startActivity(intent);
-        });
-
-        // populate the dialog items, always with pick + pick and match. Could
-        // make it optional (or make height a setting for the same effect)
-        CharSequence itemNames[] = new CharSequence[items.size() + 2];
-        for (int i = 0; i < items.size(); i++) {
-            itemNames[i] = items.get(i).getName().replace(".gpg", "");
-        }
-        itemNames[items.size()] = getString(R.string.autofill_pick);
-        itemNames[items.size() + 1] = getString(R.string.autofill_pick_and_match);
-        builder.setItems(itemNames, (dialog, which) -> {
-            lastWhichItem = which;
-            if (which < items.size()) {
-                bindDecryptAndVerify();
-            } else if (which == items.size()) {
-                Intent intent = new Intent(AutofillService.this, AutofillActivity.class);
-                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-                intent.putExtra("pick", true);
-                startActivity(intent);
-            } else {
-                lastWhichItem--;    // will add one element to items, so lastWhichItem=items.size()+1
-                Intent intent = new Intent(AutofillService.this, AutofillActivity.class);
-                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-                intent.putExtra("pickMatchWith", true);
-                intent.putExtra("packageName", packageName);
-                intent.putExtra("isWeb", isWeb);
-                startActivity(intent);
-            }
-        });
-
-        dialog = builder.create();
-        this.setDialogType(dialog);
-        dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
-        dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
-        // arbitrary non-annoying size
-        int height = 154;
-        if (itemNames.length > 1) {
-            height += 46;
-        }
-        dialog.getWindow().setLayout((int) (240 * getApplicationContext().getResources().getDisplayMetrics().density)
-                , (int) (height * getApplicationContext().getResources().getDisplayMetrics().density));
-        dialog.show();
-    }
-
-    private void setDialogType(AlertDialog dialog) {
-        //noinspection ConstantConditions
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
-            dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
-        } else {
-            dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY);
-        }
-    }
-
-    @Override
-    public void onInterrupt() {
-
-    }
-
-    private void bindDecryptAndVerify() {
-        if (serviceConnection.getService() == null) {
-            // the service was disconnected, need to bind again
-            // give it a listener and in the callback we will decryptAndVerify
-            serviceConnection = new OpenPgpServiceConnection(AutofillService.this
-                    , "org.sufficientlysecure.keychain", new onBoundListener());
-            serviceConnection.bindToService();
-        } else {
-            decryptAndVerify();
-        }
-    }
-
-    private void decryptAndVerify() {
-        packageName = info.getPackageName();
-        Intent data;
-        if (resultData == null) {
-            data = new Intent();
-            data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY);
-        } else {
-            data = resultData;
-            resultData = null;
-        }
-        InputStream is = null;
-        try {
-            is = FileUtils.openInputStream(items.get(lastWhichItem));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        ByteArrayOutputStream os = new ByteArrayOutputStream();
-
-        OpenPgpApi api = new OpenPgpApi(AutofillService.this, serviceConnection.getService());
-        // TODO we are dropping frames, (did we before??) find out why and maybe make this async
-        Intent result = api.executeApi(data, is, os);
-        switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) {
-            case OpenPgpApi.RESULT_CODE_SUCCESS: {
-                try {
-                    final PasswordEntry entry = new PasswordEntry(os);
-                    pasteText(info, entry.getPassword());
-
-                    // save password entry for pasting the username as well
-                    if (entry.hasUsername()) {
-                        lastPassword = entry;
-                        final int ttl = Integer.parseInt(settings.getString("general_show_time", "45"));
-                        Toast.makeText(this, getString(R.string.autofill_toast_username, ttl), Toast.LENGTH_LONG).show();
-                        lastPasswordMaxDate = System.currentTimeMillis() + ttl * 1000L;
-                    }
-                } catch (UnsupportedEncodingException e) {
-                    Log.e(Constants.TAG, "UnsupportedEncodingException", e);
-                }
-                break;
-            }
-            case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: {
-                Log.i("PgpHandler", "RESULT_CODE_USER_INTERACTION_REQUIRED");
-                PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT);
-                // need to start a blank activity to call startIntentSenderForResult
-                Intent intent = new Intent(AutofillService.this, AutofillActivity.class);
-                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-                intent.putExtra("pending_intent", pi);
-                startActivity(intent);
-                break;
-            }
-            case OpenPgpApi.RESULT_CODE_ERROR: {
-                OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR);
-                Toast.makeText(AutofillService.this,
-                        "Error from OpenKeyChain : " + error.getMessage(),
-                        Toast.LENGTH_LONG).show();
-                Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId());
-                Log.e(Constants.TAG, "onError getMessage:" + error.getMessage());
-                break;
-            }
-        }
-    }
-
-    private void pasteText(final AccessibilityNodeInfo node, final String text) {
-        // if the user focused on something else, take focus back
-        // but this will open another dialog...hack to ignore this
-        // & need to ensure performAction correct (i.e. what is info now?)
-        ignoreActionFocus = node.performAction(AccessibilityNodeInfo.ACTION_FOCUS);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            Bundle args = new Bundle();
-            args.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE, text);
-            node.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, args);
-        } else {
-            ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
-            ClipData clip = ClipData.newPlainText("autofill_pm", text);
-            clipboard.setPrimaryClip(clip);
-            node.performAction(AccessibilityNodeInfo.ACTION_PASTE);
-
-            clip = ClipData.newPlainText("autofill_pm", "");
-            clipboard.setPrimaryClip(clip);
-            if (settings.getBoolean("clear_clipboard_20x", false)) {
-                for (int i = 0; i < 20; i++) {
-                    clip = ClipData.newPlainText(String.valueOf(i), String.valueOf(i));
-                    clipboard.setPrimaryClip(clip);
-                }
-            }
-        }
-        node.recycle();
-    }
-
-    final class Constants {
-        static final String TAG = "Keychain";
-    }
-
-    private class onBoundListener implements OpenPgpServiceConnection.OnBound {
-        @Override
-        public void onBound(IOpenPgpService2 service) {
-            decryptAndVerify();
-        }
-
-        @Override
-        public void onError(Exception e) {
-            e.printStackTrace();
-        }
-    }
-}