package de.pixart.messenger.utils; import android.content.Context; import android.content.SharedPreferences; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.Signature; import android.preference.PreferenceManager; import android.support.v7.app.AlertDialog; import android.util.Log; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Locale; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.entities.Account; import de.pixart.messenger.entities.Conversation; import de.pixart.messenger.entities.Message; import de.pixart.messenger.services.XmppConnectionService; import de.pixart.messenger.ui.XmppActivity; import rocks.xmpp.addr.Jid; public class ExceptionHelper { private static final String FILENAME = "stacktrace.txt"; private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH); public static void init(Context context) { if (!(Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler)) { Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler( context)); } } public static boolean checkForCrash(XmppActivity activity) { try { final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService; if (service == null) { return false; } final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity); boolean crashreport = preferences.getBoolean("crashreport", activity.getResources().getBoolean(R.bool.send_crashreport)); if (!crashreport || Config.BUG_REPORTS == null) { return false; } final Account account = AccountUtils.getFirstEnabled(service); if (account == null) { return false; } FileInputStream file = activity.openFileInput(FILENAME); InputStreamReader inputStreamReader = new InputStreamReader(file); BufferedReader stacktrace = new BufferedReader(inputStreamReader); final StringBuilder report = new StringBuilder(); PackageManager pm = activity.getPackageManager(); PackageInfo packageInfo; try { packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES); report.append("Version: ").append(packageInfo.versionName).append('\n'); report.append("Last Update: ").append(DATE_FORMAT.format(new Date(packageInfo.lastUpdateTime))).append('\n'); Signature[] signatures = packageInfo.signatures; if (signatures != null && signatures.length >= 1) { report.append("SHA-1: ").append(CryptoHelper.getFingerprintCert(packageInfo.signatures[0].toByteArray())).append('\n'); } report.append('\n'); } catch (Exception e) { e.printStackTrace(); return false; } String line; while ((line = stacktrace.readLine()) != null) { report.append(line); report.append('\n'); } file.close(); activity.deleteFile(FILENAME); AlertDialog.Builder builder = new AlertDialog.Builder(activity); builder.setTitle(activity.getString(R.string.crash_report_title)); builder.setMessage(activity.getText(R.string.crash_report_message)); builder.setPositiveButton(activity.getText(R.string.send_now), (dialog, which) -> { Log.d(Config.LOGTAG, "using account=" + account.getJid().asBareJid() + " to send in stack trace"); Conversation conversation = service.findOrCreateConversation(account, Config.BUG_REPORTS, false, true); Message message = new Message(conversation, report.toString(), Message.ENCRYPTION_NONE); service.sendMessage(message); }); builder.setNegativeButton(activity.getText(R.string.send_never), (dialog, which) -> preferences.edit().putBoolean("never_send", true).apply()); builder.create().show(); return true; } catch (final IOException ignored) { return false; } } static void writeToStacktraceFile(Context context, String msg) { try { OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE); os.write(msg.getBytes()); os.flush(); os.close(); } catch (IOException ignored) { } } }