mirror of https://github.com/M66B/FairEmail.git
652 lines
26 KiB
Java
652 lines
26 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2024 by Marcel Bokhorst (M66B)
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*/
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import android.annotation.SuppressLint;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.provider.Settings;
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import android.text.TextUtils;
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import android.util.Base64;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.FragmentManager;
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import androidx.fragment.app.FragmentTransaction;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.LifecycleObserver;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.lifecycle.OnLifecycleEvent;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import androidx.preference.PreferenceManager;
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/*
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import com.android.billingclient.api.AcknowledgePurchaseParams;
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import com.android.billingclient.api.AcknowledgePurchaseResponseListener;
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import com.android.billingclient.api.BillingClient;
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import com.android.billingclient.api.BillingClientStateListener;
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import com.android.billingclient.api.BillingFlowParams;
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import com.android.billingclient.api.BillingResult;
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import com.android.billingclient.api.ConsumeParams;
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import com.android.billingclient.api.ConsumeResponseListener;
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import com.android.billingclient.api.Purchase;
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import com.android.billingclient.api.PurchasesResponseListener;
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import com.android.billingclient.api.PurchasesUpdatedListener;
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import com.android.billingclient.api.SkuDetails;
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import com.android.billingclient.api.SkuDetailsParams;
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import com.android.billingclient.api.SkuDetailsResponseListener;
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*/
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import java.security.KeyFactory;
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import java.security.NoSuchAlgorithmException;
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import java.security.PublicKey;
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import java.security.Signature;
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import java.security.spec.X509EncodedKeySpec;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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public class ActivityBilling extends ActivityBase implements
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/* BillingClientStateListener, SkuDetailsResponseListener, PurchasesResponseListener, PurchasesUpdatedListener, */
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FragmentManager.OnBackStackChangedListener {
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private boolean standalone = false;
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private int backoff = 4; // seconds
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//private BillingClient billingClient = null;
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private List<IBillingListener> listeners = new ArrayList<>();
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static final String ACTION_PURCHASE = BuildConfig.APPLICATION_ID + ".ACTION_PURCHASE";
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static final String ACTION_PURCHASE_CONSUME = BuildConfig.APPLICATION_ID + ".ACTION_PURCHASE_CONSUME";
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static final String ACTION_PURCHASE_ERROR = BuildConfig.APPLICATION_ID + ".ACTION_PURCHASE_ERROR";
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private static final String SKU_TEST = "android.test.purchased";
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private static final long MAX_SKU_CACHE_DURATION = 24 * 3600 * 1000L; // milliseconds
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private static final long MAX_SKU_NOACK_DURATION = 24 * 3600 * 1000L; // milliseconds
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@Override
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@SuppressLint("MissingSuperCall")
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protected void onCreate(Bundle savedInstanceState) {
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onCreate(savedInstanceState, true);
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}
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protected void onCreate(Bundle savedInstanceState, boolean standalone) {
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super.onCreate(savedInstanceState);
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this.standalone = standalone;
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if (standalone) {
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setContentView(R.layout.activity_billing);
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FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
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fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
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fragmentTransaction.commit();
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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getSupportFragmentManager().addOnBackStackChangedListener(this);
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}
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if (Helper.isPlayStoreInstall() || isTesting(this)) {
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Log.i("IAB start");
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/*
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billingClient = BillingClient.newBuilder(getApplicationContext()
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.enablePendingPurchases()
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.setListener(this)
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.build();
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billingClient.startConnection(this);
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*/
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}
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}
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@Override
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public void onBackStackChanged() {
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if (getSupportFragmentManager().getBackStackEntryCount() == 0)
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finish();
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}
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@Override
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protected void onResume() {
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super.onResume();
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if (standalone) {
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LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
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IntentFilter iff = new IntentFilter();
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iff.addAction(ACTION_PURCHASE);
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iff.addAction(ACTION_PURCHASE_CONSUME);
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iff.addAction(ACTION_PURCHASE_ERROR);
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lbm.registerReceiver(receiver, iff);
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}
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//if (billingClient != null && billingClient.isReady())
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// queryPurchases();
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}
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@Override
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protected void onPause() {
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super.onPause();
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if (standalone) {
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LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
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lbm.unregisterReceiver(receiver);
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}
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}
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@Override
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protected void onDestroy() {
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//if (billingClient != null)
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// billingClient.endConnection();
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super.onDestroy();
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}
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@NonNull
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static String getSkuPro(Context context) {
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if (isTesting(context))
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return SKU_TEST;
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else
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return BuildConfig.APPLICATION_ID + ".pro";
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}
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static boolean isTesting(Context context) {
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if (context == null)
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return false;
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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return (BuildConfig.DEBUG && BuildConfig.TEST_RELEASE &&
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prefs.getBoolean("test_iab", false));
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}
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private static String getChallenge(Context context) throws NoSuchAlgorithmException {
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String android_id = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
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if (android_id == null) {
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Log.e("Android ID empty");
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android_id = Long.toHexString(System.currentTimeMillis() / (24 * 3600 * 1000L));
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}
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return Helper.sha256(android_id);
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}
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private static String getResponse(Context context) throws NoSuchAlgorithmException {
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return Helper.sha256(BuildConfig.APPLICATION_ID.replace(".debug", "") + getChallenge(context));
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}
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static boolean activatePro(Context context, Uri data) throws NoSuchAlgorithmException {
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String response = data.getQueryParameter("response");
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return activatePro(context, response);
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}
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static boolean activatePro(Context context, String response) throws NoSuchAlgorithmException {
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String challenge = getChallenge(context);
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Log.i("IAB challenge=" + challenge);
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Log.i("IAB response=" + response);
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String expected = getResponse(context);
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if (expected.equals(response)) {
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Log.i("IAB response valid");
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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prefs.edit()
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.putBoolean("pro", true)
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.putBoolean("play_store", false)
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.apply();
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WidgetUnified.updateData(context);
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return true;
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} else {
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Log.i("IAB response invalid");
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return false;
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}
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}
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static boolean isPro(Context context) {
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if (BuildConfig.DEBUG && false)
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return true;
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return PreferenceManager.getDefaultSharedPreferences(context)
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.getBoolean("pro", false);
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}
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private BroadcastReceiver receiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED)) {
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if (ACTION_PURCHASE.equals(intent.getAction()))
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onPurchase(intent);
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else if (ACTION_PURCHASE_CONSUME.equals(intent.getAction()))
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;//onPurchaseConsume(intent);
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else if (ACTION_PURCHASE_ERROR.equals(intent.getAction()))
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;//onPurchaseError(intent);
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}
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}
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};
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private void onPurchase(Intent intent) {
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if (Helper.isPlayStoreInstall() || isTesting(this)) {
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String skuPro = getSkuPro(this);
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Log.i("IAB purchase SKU=" + skuPro);
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/*
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SkuDetailsParams.Builder builder = SkuDetailsParams.newBuilder();
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builder.setSkusList(Arrays.asList(skuPro));
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builder.setType(BillingClient.SkuType.INAPP);
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billingClient.querySkuDetailsAsync(builder.build(),
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new SkuDetailsResponseListener() {
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@Override
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public void onSkuDetailsResponse(@NonNull BillingResult r, List<SkuDetails> skuDetailsList) {
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if (r.getResponseCode() == BillingClient.BillingResponseCode.OK) {
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if (skuDetailsList.size() == 0)
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reportError(null, "Unknown SKU=" + skuPro);
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else {
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SkuDetails skuDetails = skuDetailsList.get(0);
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Log.i("IAB purchase details=" + skuDetails);
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BillingFlowParams.Builder flowParams = BillingFlowParams.newBuilder();
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flowParams.setSkuDetails(skuDetails);
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BillingResult result = billingClient.launchBillingFlow(ActivityBilling.this, flowParams.build());
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if (result.getResponseCode() != BillingClient.BillingResponseCode.OK)
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reportError(result, "IAB launch billing flow");
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}
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} else
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reportError(r, "IAB query SKUs");
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}
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});
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*/
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} else
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try {
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Uri uri = Uri.parse(BuildConfig.PRO_FEATURES_URI +
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"?challenge=" + getChallenge(this) +
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"&version=" + BuildConfig.VERSION_CODE);
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Helper.view(this, uri, true);
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} catch (NoSuchAlgorithmException ex) {
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Log.unexpectedError(getSupportFragmentManager(), ex);
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}
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}
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/*
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private void onPurchaseConsume(Intent intent) {
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billingClient.queryPurchasesAsync(BillingClient.SkuType.INAPP, new PurchasesResponseListener() {
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@Override
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public void onQueryPurchasesResponse(@NonNull BillingResult result, @NonNull List<Purchase> list) {
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK) {
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for (Purchase purchase : list)
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consumePurchase(purchase);
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} else
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reportError(result, "IAB onPurchaseConsume");
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}
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});
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}
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private void onPurchaseError(Intent intent) {
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String message = intent.getStringExtra("message");
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boolean play = Helper.hasPlayStore(this);
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Uri uri = Helper.getSupportUri(this, "Purchase:error");
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if (!TextUtils.isEmpty(message))
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uri = uri
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.buildUpon()
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.appendQueryParameter("message", "IAB: " + message + " Play: " + play)
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.build();
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Helper.view(this, uri, true);
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}
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@Override
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public void onBillingSetupFinished(BillingResult result) {
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK) {
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EntityLog.log(this, "IAB connected");
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for (IBillingListener listener : listeners)
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listener.onConnected();
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backoff = 4;
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queryPurchases();
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} else
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reportError(result, "IAB connected");
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}
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@Override
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public void onBillingServiceDisconnected() {
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EntityLog.log(this, "IAB disconnected");
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for (IBillingListener listener : listeners)
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listener.onDisconnected();
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backoff *= 2;
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retry(backoff);
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}
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private void retry(int backoff) {
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Log.i("IAB connect retry in " + backoff + " s");
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getMainHandler().postDelayed(new RunnableEx("IAB retry") {
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@Override
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public void delegate() {
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try {
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boolean ready = billingClient.isReady();
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Log.i("IAB ready=" + ready);
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if (!ready)
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billingClient.startConnection(ActivityBilling.this);
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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}, backoff * 1000L);
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}
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@Override
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public void onPurchasesUpdated(BillingResult result, @Nullable List<Purchase> purchases) {
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Log.i("IAB purchases updated");
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK)
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checkPurchases(purchases);
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else
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reportError(result, "IAB purchases updated");
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}
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private void queryPurchases() {
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billingClient.queryPurchasesAsync(BillingClient.SkuType.INAPP, this);
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}
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@Override
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public void onQueryPurchasesResponse(@NonNull BillingResult result, @NonNull List<Purchase> list) {
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK)
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checkPurchases(list);
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else
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reportError(result, "IAB query purchases");
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}
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*/
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interface IBillingListener {
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void onConnected();
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void onDisconnected();
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void onSkuDetails(String sku, String price);
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void onPurchasePending(String sku);
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void onPurchased(String sku, boolean purchased);
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void onError(String message);
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}
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void addBillingListener(final IBillingListener listener, LifecycleOwner owner) {
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Log.i("IAB adding billing listener=" + listener);
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listeners.add(listener);
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//if (billingClient != null)
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// if (billingClient.isReady()) {
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// listener.onConnected();
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// queryPurchases();
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// } else
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// listener.onDisconnected();
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owner.getLifecycle().addObserver(new LifecycleObserver() {
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@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
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public void onDestroyed() {
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Log.i("IAB removing billing listener=" + listener);
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listeners.remove(listener);
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}
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});
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}
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/*
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private void checkPurchases(List<Purchase> purchases) {
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Log.i("IAB purchases=" + (purchases == null ? null : purchases.size()));
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List<String> query = new ArrayList<>();
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query.add(getSkuPro(this));
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if (purchases != null) {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
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SharedPreferences.Editor editor = prefs.edit();
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if (prefs.getBoolean("play_store", true)) {
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long cached = prefs.getLong(getSkuPro(this) + ".cached", 0);
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if (cached + MAX_SKU_CACHE_DURATION < new Date().getTime()) {
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Log.i("IAB cache expired=" + new Date(cached));
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editor.remove("pro");
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} else
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Log.i("IAB caching until=" + new Date(cached + MAX_SKU_CACHE_DURATION));
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}
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for (Purchase purchase : purchases)
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for (String sku : purchase.getSkus())
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try {
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query.remove(sku);
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long time = purchase.getPurchaseTime();
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Log.i("IAB SKU=" + sku +
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" purchased=" + isPurchased(purchase) +
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" valid=" + isPurchaseValid(purchase) +
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" time=" + new Date(time));
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Log.i("IAB json=" + purchase.getOriginalJson());
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for (IBillingListener listener : listeners)
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if (isPurchaseValid(purchase))
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listener.onPurchased(sku, true);
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else
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listener.onPurchasePending(sku);
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if (isPurchased(purchase)) {
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byte[] decodedKey = Base64.decode(getString(R.string.public_key), Base64.DEFAULT);
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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PublicKey publicKey = keyFactory.generatePublic(new X509EncodedKeySpec(decodedKey));
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Signature sig = Signature.getInstance("SHA1withRSA");
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sig.initVerify(publicKey);
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sig.update(purchase.getOriginalJson().getBytes());
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if (SKU_TEST.equals(sku) ||
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sig.verify(Base64.decode(purchase.getSignature(), Base64.DEFAULT))) {
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Log.i("IAB valid signature");
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if (getSkuPro(this).equals(sku)) {
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if (isPurchaseValid(purchase)) {
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editor.putBoolean("pro", true);
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editor.putLong(sku + ".cached", new Date().getTime());
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}
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if (!purchase.isAcknowledged())
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acknowledgePurchase(purchase, 0);
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}
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} else {
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Log.w("IAB invalid signature");
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editor.putBoolean("pro", false);
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reportError(null, "Invalid purchase");
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}
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}
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} catch (Throwable ex) {
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reportError(null, Log.formatThrowable(ex, false));
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}
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editor.apply();
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WidgetUnified.updateData(this);
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}
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if (query.size() > 0)
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querySkus(query);
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}
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private void querySkus(List<String> query) {
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Log.i("IAB query SKUs");
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SkuDetailsParams.Builder builder = SkuDetailsParams.newBuilder();
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builder.setSkusList(query);
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builder.setType(BillingClient.SkuType.INAPP);
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billingClient.querySkuDetailsAsync(builder.build(), this);
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}
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@Override
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public void onSkuDetailsResponse(@NonNull BillingResult result, List<SkuDetails> skuDetailsList) {
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK) {
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for (SkuDetails skuDetail : skuDetailsList) {
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Log.i("IAB SKU detail=" + skuDetail);
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for (IBillingListener listener : listeners)
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listener.onSkuDetails(skuDetail.getSku(), skuDetail.getPrice());
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}
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} else
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reportError(result, "IAB query SKUs");
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}
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private void consumePurchase(final Purchase purchase) {
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for (String sku : purchase.getSkus()) {
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Log.i("IAB consuming SKU=" + sku);
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ConsumeParams params = ConsumeParams.newBuilder()
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.setPurchaseToken(purchase.getPurchaseToken())
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.build();
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billingClient.consumeAsync(params, new ConsumeResponseListener() {
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@Override
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public void onConsumeResponse(@NonNull BillingResult result, @NonNull String purchaseToken) {
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if (result.getResponseCode() == BillingClient.BillingResponseCode.OK) {
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for (IBillingListener listener : listeners)
|
|
listener.onPurchased(sku, false);
|
|
} else
|
|
reportError(result, "IAB consuming SKU=" + sku);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private void acknowledgePurchase(final Purchase purchase, int retry) {
|
|
for (String sku : purchase.getSkus()) {
|
|
Log.i("IAB acknowledging purchase SKU=" + sku);
|
|
AcknowledgePurchaseParams params =
|
|
AcknowledgePurchaseParams.newBuilder()
|
|
.setPurchaseToken(purchase.getPurchaseToken())
|
|
.build();
|
|
billingClient.acknowledgePurchase(params, new AcknowledgePurchaseResponseListener() {
|
|
@Override
|
|
public void onAcknowledgePurchaseResponse(@NonNull BillingResult result) {
|
|
if (result.getResponseCode() == BillingClient.BillingResponseCode.OK) {
|
|
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ActivityBilling.this);
|
|
SharedPreferences.Editor editor = prefs.edit();
|
|
editor.putBoolean("pro", true);
|
|
editor.putLong(sku + ".cached", new Date().getTime());
|
|
editor.apply();
|
|
|
|
for (IBillingListener listener : listeners)
|
|
listener.onPurchased(sku, true);
|
|
|
|
WidgetUnified.updateData(ActivityBilling.this);
|
|
} else {
|
|
if (retry < 3) {
|
|
new Handler().postDelayed(new RunnableEx("IAB ack retry") {
|
|
@Override
|
|
public void delegate() {
|
|
acknowledgePurchase(purchase, retry + 1);
|
|
}
|
|
}, (retry + 1) * 10 * 1000L);
|
|
} else
|
|
reportError(result, "IAB acknowledged SKU=" + sku);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private boolean isPurchased(Purchase purchase) {
|
|
return (purchase.getPurchaseState() == Purchase.PurchaseState.PURCHASED);
|
|
}
|
|
|
|
private boolean isPurchaseValid(Purchase purchase) {
|
|
return (isPurchased(purchase) &&
|
|
(purchase.isAcknowledged() ||
|
|
purchase.getSkus().contains(SKU_TEST) ||
|
|
purchase.getPurchaseTime() + MAX_SKU_NOACK_DURATION > new Date().getTime()));
|
|
}
|
|
|
|
private void reportError(BillingResult result, String stage) {
|
|
String message;
|
|
if (result == null)
|
|
message = stage;
|
|
else {
|
|
message = getBillingResponseText(result);
|
|
|
|
if (result.getResponseCode() == BillingClient.BillingResponseCode.BILLING_UNAVAILABLE)
|
|
message += " Is the Play Store app logged into the account used to install the app?";
|
|
|
|
String debug = result.getDebugMessage();
|
|
if (!TextUtils.isEmpty(debug))
|
|
message += " " + debug;
|
|
|
|
message += " " + stage;
|
|
}
|
|
|
|
EntityLog.log(this, message);
|
|
|
|
if (result != null) {
|
|
// https://developer.android.com/reference/com/android/billingclient/api/BillingClient.BillingResponse#service_disconnected
|
|
if (result.getResponseCode() == BillingClient.BillingResponseCode.SERVICE_DISCONNECTED)
|
|
retry(60);
|
|
|
|
if (result.getResponseCode() == BillingClient.BillingResponseCode.USER_CANCELED)
|
|
return;
|
|
}
|
|
|
|
for (IBillingListener listener : listeners)
|
|
listener.onError(message);
|
|
}
|
|
|
|
private static String getBillingResponseText(BillingResult result) {
|
|
switch (result.getResponseCode()) {
|
|
case BillingClient.BillingResponseCode.BILLING_UNAVAILABLE:
|
|
// Billing API version is not supported for the type requested
|
|
return "BILLING_UNAVAILABLE";
|
|
|
|
case BillingClient.BillingResponseCode.DEVELOPER_ERROR:
|
|
// Invalid arguments provided to the API.
|
|
return "DEVELOPER_ERROR";
|
|
|
|
case BillingClient.BillingResponseCode.ERROR:
|
|
// Fatal error during the API action
|
|
return "ERROR";
|
|
|
|
case BillingClient.BillingResponseCode.FEATURE_NOT_SUPPORTED:
|
|
// Requested feature is not supported by Play Store on the current device.
|
|
return "FEATURE_NOT_SUPPORTED";
|
|
|
|
case BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED:
|
|
// Failure to purchase since item is already owned
|
|
return "ITEM_ALREADY_OWNED";
|
|
|
|
case BillingClient.BillingResponseCode.ITEM_NOT_OWNED:
|
|
// Failure to consume since item is not owned
|
|
return "ITEM_NOT_OWNED";
|
|
|
|
case BillingClient.BillingResponseCode.ITEM_UNAVAILABLE:
|
|
// Requested product is not available for purchase
|
|
return "ITEM_UNAVAILABLE";
|
|
|
|
case BillingClient.BillingResponseCode.OK:
|
|
// Success
|
|
return "OK";
|
|
|
|
case BillingClient.BillingResponseCode.SERVICE_DISCONNECTED:
|
|
// Play Store service is not connected now - potentially transient state.
|
|
return "SERVICE_DISCONNECTED";
|
|
|
|
case BillingClient.BillingResponseCode.SERVICE_UNAVAILABLE:
|
|
// Network connection is down
|
|
return "SERVICE_UNAVAILABLE";
|
|
|
|
case BillingClient.BillingResponseCode.SERVICE_TIMEOUT:
|
|
// The request has reached the maximum timeout before Google Play responds.
|
|
return "SERVICE_TIMEOUT";
|
|
|
|
case BillingClient.BillingResponseCode.USER_CANCELED:
|
|
// User pressed back or canceled a dialog
|
|
return "USER_CANCELED";
|
|
|
|
default:
|
|
return Integer.toString(result.getResponseCode());
|
|
}
|
|
}
|
|
*/
|
|
}
|