Add APK release flow with R2 redirects and updater support
This commit is contained in:
Dwindi Ramadhana
@@ -38,4 +38,5 @@
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<!-- Permissions -->
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
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</manifest>
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@@ -1,18 +1,73 @@
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package com.dewemoji.app;
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import android.app.AlertDialog;
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import android.app.DownloadManager;
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import android.content.ActivityNotFoundException;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Environment;
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import android.util.Log;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.core.content.FileProvider;
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import androidx.core.content.ContextCompat;
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import androidx.core.view.WindowCompat;
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import androidx.core.view.WindowInsetsCompat;
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import androidx.core.view.WindowInsetsControllerCompat;
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import com.getcapacitor.BridgeActivity;
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import org.json.JSONObject;
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import java.io.BufferedInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.util.Locale;
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public class MainActivity extends BridgeActivity {
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private static final String TAG = "DewemojiUpdater";
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private static final String VERSION_URL = "https://dewemoji.com/downloads/version.json";
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private static final int CONNECT_TIMEOUT_MS = 10_000;
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private static final int READ_TIMEOUT_MS = 15_000;
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@Nullable
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private DownloadManager downloadManager;
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private long activeDownloadId = -1L;
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@Nullable
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private String activeExpectedSha = null;
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@Nullable
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private BroadcastReceiver downloadReceiver = null;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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hideSystemBars();
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downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
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registerDownloadReceiver();
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checkForUpdates(false);
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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if (downloadReceiver != null) {
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unregisterReceiver(downloadReceiver);
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downloadReceiver = null;
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}
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}
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@Override
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@@ -32,4 +87,271 @@ public class MainActivity extends BridgeActivity {
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WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
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);
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}
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private void checkForUpdates(boolean manual) {
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new Thread(() -> {
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try {
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UpdateMetadata metadata = fetchVersionMetadata();
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if (metadata == null) {
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return;
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}
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long installedVersion = getInstalledVersionCode();
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if (metadata.versionCode <= installedVersion) {
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if (manual) {
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runOnUiThread(() ->
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Toast.makeText(this, "Dewemoji is up to date", Toast.LENGTH_SHORT).show()
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);
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}
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return;
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}
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runOnUiThread(() -> showUpdateDialog(metadata));
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} catch (Exception ex) {
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Log.w(TAG, "Update check failed", ex);
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if (manual) {
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runOnUiThread(() ->
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Toast.makeText(this, "Update check failed", Toast.LENGTH_SHORT).show()
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);
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}
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}
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}).start();
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}
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@Nullable
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private UpdateMetadata fetchVersionMetadata() throws Exception {
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HttpURLConnection conn = (HttpURLConnection) new URL(VERSION_URL).openConnection();
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conn.setRequestMethod("GET");
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conn.setConnectTimeout(CONNECT_TIMEOUT_MS);
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conn.setReadTimeout(READ_TIMEOUT_MS);
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conn.setRequestProperty("Accept", "application/json");
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int code = conn.getResponseCode();
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if (code < 200 || code >= 300) {
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throw new IllegalStateException("Unexpected status " + code);
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}
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try (InputStream in = new BufferedInputStream(conn.getInputStream());
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ByteArrayOutputStream out = new ByteArrayOutputStream()) {
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byte[] buffer = new byte[8192];
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int read;
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while ((read = in.read(buffer)) != -1) {
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out.write(buffer, 0, read);
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}
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String json = out.toString(StandardCharsets.UTF_8.name());
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JSONObject obj = new JSONObject(json);
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return UpdateMetadata.fromJson(obj);
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} finally {
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conn.disconnect();
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}
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}
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private long getInstalledVersionCode() throws Exception {
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PackageManager packageManager = getPackageManager();
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PackageInfo info = packageManager.getPackageInfo(getPackageName(), 0);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
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return info.getLongVersionCode();
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}
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return info.versionCode;
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}
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private void showUpdateDialog(UpdateMetadata metadata) {
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StringBuilder message = new StringBuilder();
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message.append("New version ").append(metadata.versionName).append(" is available.");
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if (!metadata.notes.isEmpty()) {
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message.append("\n\n").append(metadata.notes);
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}
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if (metadata.force) {
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message.append("\n\nThis update is required.");
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}
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AlertDialog.Builder builder = new AlertDialog.Builder(this)
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.setTitle("Update Dewemoji")
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.setMessage(message.toString())
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.setPositiveButton("Update", (dialog, which) -> startApkDownload(metadata))
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.setCancelable(!metadata.force);
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if (!metadata.force) {
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builder.setNegativeButton("Later", null);
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}
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builder.show();
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}
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private void startApkDownload(UpdateMetadata metadata) {
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if (downloadManager == null) {
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Toast.makeText(this, "Download manager unavailable", Toast.LENGTH_SHORT).show();
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return;
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}
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Uri uri = Uri.parse(metadata.apkUrl);
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DownloadManager.Request request = new DownloadManager.Request(uri);
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request.setTitle("Dewemoji update");
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request.setDescription("Downloading version " + metadata.versionName);
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request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
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request.setDestinationInExternalPublicDir(
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Environment.DIRECTORY_DOWNLOADS,
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"dewemoji-latest.apk"
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);
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request.setMimeType("application/vnd.android.package-archive");
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activeExpectedSha = metadata.sha256.toLowerCase(Locale.US);
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activeDownloadId = downloadManager.enqueue(request);
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Toast.makeText(this, "Downloading update...", Toast.LENGTH_SHORT).show();
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}
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private void registerDownloadReceiver() {
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downloadReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (!DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(intent.getAction())) {
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return;
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}
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long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1L);
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if (downloadId <= 0 || downloadId != activeDownloadId) {
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return;
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}
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verifyAndInstallDownloadedApk(downloadId);
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}
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};
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ContextCompat.registerReceiver(
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this,
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downloadReceiver,
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new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE),
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ContextCompat.RECEIVER_NOT_EXPORTED
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);
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}
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private void verifyAndInstallDownloadedApk(long downloadId) {
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if (downloadManager == null) {
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return;
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}
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DownloadManager.Query query = new DownloadManager.Query().setFilterById(downloadId);
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try (Cursor cursor = downloadManager.query(query)) {
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if (cursor == null || !cursor.moveToFirst()) {
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showUpdateError("Download record not found");
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return;
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}
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int statusCol = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
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int uriCol = cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI);
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int reasonCol = cursor.getColumnIndex(DownloadManager.COLUMN_REASON);
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int status = statusCol >= 0 ? cursor.getInt(statusCol) : DownloadManager.STATUS_FAILED;
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String localUri = uriCol >= 0 ? cursor.getString(uriCol) : null;
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int reason = reasonCol >= 0 ? cursor.getInt(reasonCol) : -1;
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if (status != DownloadManager.STATUS_SUCCESSFUL || localUri == null || localUri.isEmpty()) {
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showUpdateError("Download failed (" + reason + ")");
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return;
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}
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Uri apkUri = Uri.parse(localUri);
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String localSha = computeSha256(apkUri);
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if (localSha == null || activeExpectedSha == null || !localSha.equalsIgnoreCase(activeExpectedSha)) {
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showUpdateError("Checksum mismatch");
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return;
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}
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installApk(apkUri);
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} catch (Exception ex) {
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Log.e(TAG, "Failed to verify update APK", ex);
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showUpdateError("Update verification failed");
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}
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}
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@Nullable
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private String computeSha256(Uri uri) {
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try (InputStream input = getContentResolver().openInputStream(uri)) {
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if (input == null) {
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return null;
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}
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MessageDigest digest = MessageDigest.getInstance("SHA-256");
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byte[] buffer = new byte[8192];
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int read;
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while ((read = input.read(buffer)) > 0) {
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digest.update(buffer, 0, read);
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}
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byte[] bytes = digest.digest();
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StringBuilder out = new StringBuilder(bytes.length * 2);
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for (byte b : bytes) {
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out.append(String.format(Locale.US, "%02x", b));
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}
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return out.toString();
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} catch (Exception ex) {
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Log.e(TAG, "Failed to compute checksum", ex);
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return null;
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}
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}
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private void installApk(Uri downloadUri) {
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try {
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Uri installUri = downloadUri;
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if ("file".equals(downloadUri.getScheme())) {
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installUri = FileProvider.getUriForFile(
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this,
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BuildConfig.APPLICATION_ID + ".fileprovider",
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new java.io.File(downloadUri.getPath())
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);
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}
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Intent installIntent = new Intent(Intent.ACTION_VIEW);
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installIntent.setDataAndType(installUri, "application/vnd.android.package-archive");
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installIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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installIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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startActivity(installIntent);
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} catch (ActivityNotFoundException ex) {
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showUpdateError("No installer found");
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} catch (Exception ex) {
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Log.e(TAG, "Failed to launch APK installer", ex);
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showUpdateError("Cannot open installer");
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}
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}
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private void showUpdateError(String message) {
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runOnUiThread(() -> new AlertDialog.Builder(this)
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.setTitle("Update failed")
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.setMessage(message)
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.setPositiveButton("OK", (DialogInterface dialog, int which) -> dialog.dismiss())
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.show());
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}
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private static class UpdateMetadata {
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final String versionName;
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final long versionCode;
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final String apkUrl;
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final String sha256;
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final String notes;
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final boolean force;
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private UpdateMetadata(
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String versionName,
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long versionCode,
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String apkUrl,
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String sha256,
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String notes,
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boolean force
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) {
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this.versionName = versionName;
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this.versionCode = versionCode;
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this.apkUrl = apkUrl;
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this.sha256 = sha256;
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this.notes = notes;
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this.force = force;
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}
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static UpdateMetadata fromJson(JSONObject obj) {
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String versionName = obj.optString("versionName", "");
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long versionCode = obj.optLong("versionCode", 0);
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String apkUrl = obj.optString("apkUrl", "");
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String sha256 = obj.optString("sha256", "");
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String notes = obj.optString("notes", "");
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boolean force = obj.optBoolean("force", false);
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if (versionName.isEmpty() || versionCode <= 0 || apkUrl.isEmpty() || sha256.isEmpty()) {
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throw new IllegalStateException("Invalid version metadata payload");
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}
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return new UpdateMetadata(versionName, versionCode, apkUrl, sha256, notes, force);
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}
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}
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}
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