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/* Copyright 2021 Thomas Schneider
*
* This file is a part of Fedilab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
package app.fedilab.android.activities;
import static app.fedilab.android.activities.LoginActivity.apiLogin;
import static app.fedilab.android.activities.LoginActivity.client_idLogin;
import static app.fedilab.android.activities.LoginActivity.client_secretLogin;
import static app.fedilab.android.activities.LoginActivity.currentInstanceLogin;
import static app.fedilab.android.activities.LoginActivity.softwareLogin;
import static app.fedilab.android.helper.Helper.PREF_USER_TOKEN;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.view.View;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;
import androidx.appcompat.app.AlertDialog;
import androidx.lifecycle.ViewModelProvider;
import androidx.preference.PreferenceManager;
import java.util.regex.Matcher;
import app.fedilab.android.BaseMainActivity;
import app.fedilab.android.R;
import app.fedilab.android.client.entities.app.Account;
import app.fedilab.android.databinding.ActivityWebviewConnectBinding;
import app.fedilab.android.exception.DBException;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.helper.ThemeHelper;
import app.fedilab.android.viewmodel.mastodon.AccountsVM;
import app.fedilab.android.viewmodel.mastodon.AdminVM;
import app.fedilab.android.viewmodel.mastodon.OauthVM;
import es.dmoral.toasty.Toasty;
public class WebviewConnectActivity extends BaseActivity {
private ActivityWebviewConnectBinding binding;
private AlertDialog alert;
private String login_url;
private boolean requestedAdmin;
@SuppressWarnings("deprecation")
public static void clearCookies(Context context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
CookieManager.getInstance().removeAllCookies(null);
CookieManager.getInstance().flush();
} else {
CookieSyncManager cookieSyncMngr = CookieSyncManager.createInstance(context);
cookieSyncMngr.startSync();
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.removeAllCookie();
cookieManager.removeSessionCookie();
cookieSyncMngr.stopSync();
cookieSyncMngr.sync();
}
}
@SuppressLint("ApplySharedPref")
public static void proceedLogin(Activity activity, Account account) {
new Thread(() -> {
try {
//update the database
new Account(activity).insertOrUpdate(account);
Handler mainHandler = new Handler(Looper.getMainLooper());
BaseMainActivity.currentToken = account.token;
BaseMainActivity.currentUserID = account.user_id;
BaseMainActivity.api = Account.API.MASTODON;
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(activity);
SharedPreferences.Editor editor = sharedpreferences.edit();
editor.putString(PREF_USER_TOKEN, account.token);
editor.commit();
//The user is now authenticated, it will be redirected to MainActivity
Runnable myRunnable = () -> {
Intent mainActivity = new Intent(activity, MainActivity.class);
activity.startActivity(mainActivity);
activity.finish();
};
mainHandler.post(myRunnable);
} catch (DBException e) {
e.printStackTrace();
}
}).start();
}
@SuppressLint("SetJavaScriptEnabled")
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ThemeHelper.applyTheme(this);
SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(WebviewConnectActivity.this);
binding = ActivityWebviewConnectBinding.inflate(getLayoutInflater());
View rootView = binding.getRoot();
setContentView(rootView);
Bundle b = getIntent().getExtras();
if (b != null) {
login_url = b.getString("login_url");
requestedAdmin = b.getBoolean("requestedAdmin", false);
}
if (login_url == null)
finish();
clearCookies(WebviewConnectActivity.this);
binding.webviewConnect.getSettings().setJavaScriptEnabled(true);
String user_agent = sharedpreferences.getString(getString(R.string.SET_CUSTOM_USER_AGENT), Helper.USER_AGENT);
binding.webviewConnect.getSettings().setUserAgentString(user_agent);
CookieManager.getInstance().setAcceptThirdPartyCookies(binding.webviewConnect, true);
final ProgressBar pbar = findViewById(R.id.progress_bar);
binding.webviewConnect.setWebChromeClient(new WebChromeClient() {
@Override
public void onProgressChanged(WebView view, int progress) {
if (progress < 100 && pbar.getVisibility() == ProgressBar.GONE) {
pbar.setVisibility(ProgressBar.VISIBLE);
}
pbar.setProgress(progress);
if (progress == 100) {
pbar.setVisibility(ProgressBar.GONE);
}
}
});
binding.webviewConnect.setWebViewClient(new WebViewClient() {
/* @Override
public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
String x_xsrf_token = null;
String x_csrf_token = null;
if (request.getUrl().toString().contains("accounts/verify_credentials")) {
String cookies = CookieManager.getInstance().getCookie(request.getUrl().toString());
Map<String, String> requestHeaders = request.getRequestHeaders();
Iterator<Map.Entry<String, String>> it = requestHeaders.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, String> pair = it.next();
if (pair.getKey().compareTo("X-XSRF-TOKEN") == 0) {
x_xsrf_token = pair.getValue();
}
if (pair.getKey().compareTo("X-CSRF-TOKEN") == 0) {
x_csrf_token = pair.getValue();
}
it.remove();
}
if (x_xsrf_token != null && x_csrf_token != null) {
String finalX_xsrf_token = x_xsrf_token;
String finalX_csrf_token = x_csrf_token;
new Handler(Looper.getMainLooper()).post(() -> {
view.stopLoading();
SharedPreferences sharedpreferences1 = getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedpreferences1.edit();
String token = "X-XSRF-TOKEN= " + finalX_xsrf_token + ";X-CSRF-TOKEN= " + finalX_csrf_token + "|" + cookies;
editor.putString(Helper.PREF_KEY_OAUTH_TOKEN, token);
editor.commit();
view.setVisibility(View.GONE);
//Update the account with the token;
new UpdateAccountInfoAsyncTask(WebviewConnectActivity.this, token, clientId, clientSecret, null, instance, social);
});
}
}
return super.shouldInterceptRequest(view, request);
}*/
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
super.shouldOverrideUrlLoading(view, url);
if (url.contains(Helper.REDIRECT_CONTENT_WEB)) {
Matcher matcher = Helper.codePattern.matcher(url);
if (!matcher.find()) {
return false;
}
String code = matcher.group(1);
OauthVM oauthVM = new ViewModelProvider(WebviewConnectActivity.this).get(OauthVM.class);
//API call to get the user token
String scope = requestedAdmin ? Helper.OAUTH_SCOPES_ADMIN : Helper.OAUTH_SCOPES;
oauthVM.createToken(currentInstanceLogin, "authorization_code", client_idLogin, client_secretLogin, Helper.REDIRECT_CONTENT_WEB, scope, code)
.observe(WebviewConnectActivity.this, tokenObj -> {
Account account = new Account();
account.client_id = client_idLogin;
account.client_secret = client_secretLogin;
account.token = tokenObj.token_type + " " + tokenObj.access_token;
account.api = apiLogin;
account.software = softwareLogin;
account.instance = currentInstanceLogin;
//API call to retrieve account information for the new token
AccountsVM accountsVM = new ViewModelProvider(WebviewConnectActivity.this).get(AccountsVM.class);
accountsVM.getConnectedAccount(currentInstanceLogin, account.token).observe(WebviewConnectActivity.this, mastodonAccount -> {
if (mastodonAccount != null) {
account.mastodon_account = mastodonAccount;
account.user_id = mastodonAccount.id;
//We check if user have really moderator rights
if (requestedAdmin) {
AdminVM adminVM = new ViewModelProvider(WebviewConnectActivity.this).get(AdminVM.class);
adminVM.getAccount(account.instance, account.token, account.user_id).observe(WebviewConnectActivity.this, adminAccount -> {
account.admin = adminAccount != null;
proceedLogin(WebviewConnectActivity.this, account);
});
} else {
proceedLogin(WebviewConnectActivity.this, account);
}
} else {
Toasty.error(WebviewConnectActivity.this, getString(R.string.toast_error), Toasty.LENGTH_SHORT).show();
}
});
});
return true;
} else {
return false;
}
}
});
binding.webviewConnect.loadUrl(login_url);
}
@Override
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