Kate Mobile v109.1版本的 MD5 值为：fcd76ded5f363ecbfac46035a4ed2a23

以下内容为反编译后的 LoginActivity.java 源代码，内容仅作参考

package com.perm.kate;

import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.appcompat.app.AlertDialog;
import com.perm.kate.account.Account;
import com.perm.kate.api.Auth;
import com.perm.kate.notifications.LoginNotification;
import com.perm.kate.session.Session;
import com.perm.utils.ProxyManager;
import com.perm.utils.Utils;
public class LoginActivity extends BaseActivity {
    boolean from_login;
    long group_id;
    WebView webview;
    boolean validation_mode = false;
    final Handler handler = new Handler();
    final Runnable runnable = new Runnable() {
        @Override
        public void run() {
            LoginActivity loginActivity = LoginActivity.this;
            loginActivity.parseUrl(loginActivity.webview.getUrl());
            if (LoginActivity.this.isFinishing()) {
                return;
            }
            LoginActivity loginActivity2 = LoginActivity.this;
            loginActivity2.handler.postDelayed(loginActivity2.runnable, 1000L);
        }
    };
    private final int REQUEST_LOGIN = 1;

    class FacebookWebViewClient extends WebViewClient {
        FacebookWebViewClient() {
        }

        @Override
        public void onPageFinished(WebView webView, String str) {
            super.onPageFinished(webView, str);
            LoginActivity.this.showProgressBar(false);
        }

        @Override
        public void onPageStarted(WebView webView, String str, Bitmap bitmap) {
            super.onPageStarted(webView, str, bitmap);
            LoginActivity.this.showProgressBar(true);
            LoginActivity.this.parseUrl(str);
        }
    }

    public void lambda$showCantLoginDialog$0(DialogInterface dialogInterface, int i) {
        startReserveLogin();
    }

    public void lambda$showCantLoginDialog$1(DialogInterface dialogInterface, int i) {
        showInstructions();
    }

    public static String[] parseError(String str) {
        String extractPattern = Utils.extractPattern(str, "error=(.*?)&");
        Log.i("Kate.LoginActivity", "error=" + extractPattern);
        return new String[]{extractPattern, str};
    }

    public void parseUrl(String str) {
        Intent intent;
        if (str == null) {
            return;
        }
        try {
            if (str.startsWith("https://oauth.vk.com/blank.html") || str.startsWith("http://api.vk.com/blank.html")) {
                if (!str.contains("error=") && !str.contains("fail=")) {
                    long j = this.group_id;
                    String[] strArr = null;
                    if (j != 0) {
                        String parseGroupRedirectUrl = Auth.parseGroupRedirectUrl(str, j);
                        intent = new Intent();
                        intent.putExtra("access_token", parseGroupRedirectUrl);
                    } else {
                        if (!this.validation_mode) {
                            Account account = new Account();
                            String[] parseRedirectUrl = Auth.parseRedirectUrl(str);
                            account.access_token = parseRedirectUrl[0];
                            account.mid = parseRedirectUrl[1];
                            KApplication.addAccount(account);
                        }
                        intent = null;
                    }
                    if (this.validation_mode) {
                        try {
                            strArr = Auth.parseRedirectUrl(str);
                        } catch (Throwable unused) {
                        }
                        if (strArr != null && !TextUtils.isEmpty(strArr[0])) {
                            if (this.from_login) {
                                Account account2 = new Account();
                                account2.access_token = strArr[0];
                                account2.mid = strArr[1];
                                KApplication.addAccount(account2);
                                intent = new Intent();
                                intent.putExtra("account_created", true);
                            } else {
                                Session session = KApplication.session;
                                if (session != null) {
                                    session.setAccessToken(strArr[0]);
                                    KApplication.accountManager.saveAccounts();
                                }
                            }
                        }
                    }
                    setResult(-1, intent);
                }
                if (str.contains("error=")) {
                    String[] parseError = parseError(str);
                    Helper.reportError(new Exception(parseError[0]), parseError[1]);
                }
                this.handler.removeCallbacks(this.runnable);
                LoginNotification.cancel(KApplication.current);
                finish();
            }
        } catch (Exception e) {
            Helper.reportError(e);
            e.printStackTrace();
        }
    }

    private void showCantLoginDialog() {
        new AlertDialog.Builder(this).setMessage(R.string.reserve_auth_message).setPositiveButton(R.string.oauth_auth, new DialogInterface.OnClickListener() {
            @Override
            public final void onClick(DialogInterface dialogInterface, int i) {
                LoginActivity.this.lambda$showCantLoginDialog$0(dialogInterface, i);
            }
        }).setNegativeButton(getString(R.string.recommendations), new DialogInterface.OnClickListener() {
            @Override
            public final void onClick(DialogInterface dialogInterface, int i) {
                LoginActivity.this.lambda$showCantLoginDialog$1(dialogInterface, i);
            }
        }).create().show();
    }

    private void showInstructions() {
        new AlertDialog.Builder(this).setMessage(R.string.login_recommendations).setPositiveButton(R.string.ok, (DialogInterface.OnClickListener) null).create().show();
    }

    private void startReserveLogin() {
        startActivityForResult(new Intent(this, LoginActivity2.class), 1);
    }

    @Override
    protected boolean fillMenuItems(Menu menu) {
        menu.add(0, 2, 3000, R.string.cant_login);
        return true;
    }

    @Override
    public void onActivityResult(int i, int i2, Intent intent) {
        super.onActivityResult(i, i2, intent);
        if (i == 1 && i2 == -1) {
            setResult(-1);
            finish();
        }
    }

    @Override
    public void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        try {
            setContentView(R.layout.login);
            setupMenuButton();
            String stringExtra = getIntent().getStringExtra("validation_uri");
            if (!TextUtils.isEmpty(stringExtra)) {
                this.validation_mode = true;
            }
            this.from_login = getIntent().getBooleanExtra("from_login", false);
            this.group_id = getIntent().getLongExtra("group_id", 0L);
            setHeaderTitle(R.string.label_login);
            if (this.validation_mode) {
                setHeaderTitle(R.string.validation);
            }
            WebView webView = (WebView) findViewById(R.id.facebookview);
            this.webview = webView;
            ProxyManager.setProxyIfRequired(webView);
            this.webview.getSettings().setJavaScriptEnabled(Build.VERSION.SDK_INT >= 28);
            this.webview.clearCache(true);
            this.webview.getSettings().setSavePassword(false);
            this.webview.setWebViewClient(new FacebookWebViewClient());
            CookieSyncManager.createInstance(this);
            CookieManager.getInstance().removeAllCookie();
            if (this.validation_mode) {
                this.webview.loadUrl(stringExtra);
            } else {
                String settings = Auth.getSettings();
                if (this.group_id != 0) {
                    settings = "messages,photos,docs";
                }
                String url = Auth.getUrl("2685278", settings);
                if (this.group_id != 0) {
                    url = url + "&group_ids=" + this.group_id;
                }
                this.webview.loadUrl(url);
            }
            this.handler.postDelayed(this.runnable, 1000L);
            if (this.group_id != 0) {
                displayToast(R.string.group_messages_login);
            }
            if (this.validation_mode) {
                return;
            }
            new AlertDialog.Builder(this).setMessage("Если у вас беспарольный вход, то можно зайти на сайт ВК и там включить двухфакторную авторизацию. Тогда в приложение можно будет входить с паролем как и прежде.").create().show();
        } catch (Throwable th) {
            th.printStackTrace();
            Helper.reportError(th);
            displayToast(th.toString());
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        fillMenuItems(menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public void onDestroy() {
        this.handler.removeCallbacks(null);
        super.onDestroy();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem menuItem) {
        if (menuItem.getItemId() == 2) {
            showCantLoginDialog();
        }
        return super.onOptionsItemSelected(menuItem);
    }
}