1package eu.siacs.conversations.utils;
2
3import android.content.Context;
4import android.content.SharedPreferences;
5import android.content.pm.PackageInfo;
6import android.content.pm.PackageManager;
7import android.content.pm.Signature;
8import android.preference.PreferenceManager;
9import android.util.Log;
10
11import androidx.appcompat.app.AlertDialog;
12
13import com.google.android.material.dialog.MaterialAlertDialogBuilder;
14
15import java.io.BufferedReader;
16import java.io.FileInputStream;
17import java.io.IOException;
18import java.io.InputStreamReader;
19import java.io.OutputStream;
20import java.text.SimpleDateFormat;
21import java.util.Date;
22import java.util.Locale;
23
24import eu.siacs.conversations.Config;
25import eu.siacs.conversations.R;
26import eu.siacs.conversations.entities.Account;
27import eu.siacs.conversations.entities.Conversation;
28import eu.siacs.conversations.entities.Message;
29import eu.siacs.conversations.services.XmppConnectionService;
30import eu.siacs.conversations.ui.XmppActivity;
31
32public class ExceptionHelper {
33
34 private static final String FILENAME = "stacktrace.txt";
35 private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
36
37 public static void init(Context context) {
38 if (Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler) {
39 return;
40 }
41 Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(context));
42 }
43
44 public static boolean checkForCrash(XmppActivity activity) {
45 try {
46 final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
47 if (service == null) {
48 return false;
49 }
50 final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
51 boolean neverSend = preferences.getBoolean("never_send", false);
52 if (neverSend || Config.BUG_REPORTS == null) {
53 return false;
54 }
55 final Account account = AccountUtils.getFirstEnabled(service);
56 if (account == null) {
57 return false;
58 }
59 FileInputStream file = activity.openFileInput(FILENAME);
60 InputStreamReader inputStreamReader = new InputStreamReader(file);
61 BufferedReader stacktrace = new BufferedReader(inputStreamReader);
62 final StringBuilder report = new StringBuilder();
63 PackageManager pm = activity.getPackageManager();
64 PackageInfo packageInfo;
65 try {
66 packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES);
67 final String versionName = packageInfo.versionName;
68 final int versionCode = packageInfo.versionCode;
69 final int version = versionCode > 10000 ? (versionCode / 100) : versionCode;
70 report.append(String.format(Locale.ROOT, "Version: %s(%d)", versionName, version)).append('\n');
71 report.append("Last Update: ").append(DATE_FORMAT.format(new Date(packageInfo.lastUpdateTime))).append('\n');
72 Signature[] signatures = packageInfo.signatures;
73 if (signatures != null && signatures.length >= 1) {
74 report.append("SHA-1: ").append(CryptoHelper.getFingerprintCert(packageInfo.signatures[0].toByteArray())).append('\n');
75 }
76 report.append('\n');
77 } catch (final Exception e) {
78 return false;
79 }
80 String line;
81 while ((line = stacktrace.readLine()) != null) {
82 report.append(line);
83 report.append('\n');
84 }
85 file.close();
86 activity.deleteFile(FILENAME);
87 final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(activity);
88 builder.setTitle(activity.getString(R.string.crash_report_title, activity.getString(R.string.app_name)));
89 builder.setMessage(activity.getString(R.string.crash_report_message, activity.getString(R.string.app_name)));
90 builder.setPositiveButton(activity.getText(R.string.send_now), (dialog, which) -> {
91
92 Log.d(Config.LOGTAG, "using account=" + account.getJid().asBareJid() + " to send in stack trace");
93 Conversation conversation = service.findOrCreateConversation(account, Config.BUG_REPORTS, false, true);
94 Message message = new Message(conversation, report.toString(), Message.ENCRYPTION_NONE);
95 service.sendMessage(message);
96 });
97 builder.setNegativeButton(activity.getText(R.string.send_never), (dialog, which) -> preferences.edit().putBoolean("never_send", true).apply());
98 builder.create().show();
99 return true;
100 } catch (final IOException ignored) {
101 return false;
102 }
103 }
104
105 static void writeToStacktraceFile(Context context, String msg) {
106 try {
107 OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE);
108 os.write(msg.getBytes());
109 os.flush();
110 os.close();
111 } catch (IOException ignored) {
112 }
113 }
114}