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 java.io.BufferedReader;
14import java.io.FileInputStream;
15import java.io.IOException;
16import java.io.InputStreamReader;
17import java.io.OutputStream;
18import java.lang.ClassNotFoundException;
19import java.text.SimpleDateFormat;
20import java.util.Date;
21import java.util.Locale;
22
23import eu.siacs.conversations.Config;
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.entities.Account;
26import eu.siacs.conversations.entities.Conversation;
27import eu.siacs.conversations.entities.Message;
28import eu.siacs.conversations.services.XmppConnectionService;
29import eu.siacs.conversations.ui.XmppActivity;
30
31public class ExceptionHelper {
32
33 private static final String FILENAME = "stacktrace.txt";
34 private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
35
36 public static void init(Context context) {
37 if (Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler) {
38 return;
39 }
40 Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(context));
41 }
42
43 public static boolean checkForCrash(XmppActivity activity) {
44 try {
45 Class.forName("io.sentry.Sentry");
46 return false;
47 } catch (final ClassNotFoundException e) { }
48
49 try {
50 final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
51 if (service == null) {
52 return false;
53 }
54 final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
55 boolean neverSend = preferences.getBoolean("never_send", false);
56 if (neverSend || Config.BUG_REPORTS == null) {
57 return false;
58 }
59 final Account account = AccountUtils.getFirstEnabled(service);
60 if (account == null) {
61 return false;
62 }
63 FileInputStream file = activity.openFileInput(FILENAME);
64 InputStreamReader inputStreamReader = new InputStreamReader(file);
65 BufferedReader stacktrace = new BufferedReader(inputStreamReader);
66 final StringBuilder report = new StringBuilder();
67 PackageManager pm = activity.getPackageManager();
68 PackageInfo packageInfo;
69 try {
70 packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES);
71 final String versionName = packageInfo.versionName;
72 final int versionCode = packageInfo.versionCode;
73 final int version = versionCode > 10000 ? (versionCode / 100) : versionCode;
74 report.append(String.format(Locale.ROOT, "Version: %s(%d)", versionName, version)).append('\n');
75 report.append("Last Update: ").append(DATE_FORMAT.format(new Date(packageInfo.lastUpdateTime))).append('\n');
76 Signature[] signatures = packageInfo.signatures;
77 if (signatures != null && signatures.length >= 1) {
78 report.append("SHA-1: ").append(CryptoHelper.getFingerprintCert(packageInfo.signatures[0].toByteArray())).append('\n');
79 }
80 report.append('\n');
81 } catch (Exception e) {
82 e.printStackTrace();
83 return false;
84 }
85 String line;
86 while ((line = stacktrace.readLine()) != null) {
87 report.append(line);
88 report.append('\n');
89 }
90 file.close();
91 activity.deleteFile(FILENAME);
92 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
93 builder.setTitle(activity.getString(R.string.crash_report_title, activity.getString(R.string.app_name)));
94 builder.setMessage(activity.getString(R.string.crash_report_message, activity.getString(R.string.app_name)));
95 builder.setPositiveButton(activity.getText(R.string.send_now), (dialog, which) -> {
96
97 Log.d(Config.LOGTAG, "using account=" + account.getJid().asBareJid() + " to send in stack trace");
98 Conversation conversation = service.findOrCreateConversation(account, Config.BUG_REPORTS, false, true);
99 Message message = new Message(conversation, report.toString(), Message.ENCRYPTION_NONE);
100 service.sendMessage(message);
101 });
102 builder.setNegativeButton(activity.getText(R.string.send_never), (dialog, which) -> preferences.edit().putBoolean("never_send", true).apply());
103 builder.create().show();
104 return true;
105 } catch (final IOException ignored) {
106 return false;
107 }
108 }
109
110 static void writeToStacktraceFile(Context context, String msg) {
111 try {
112 OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE);
113 os.write(msg.getBytes());
114 os.flush();
115 os.close();
116 } catch (IOException ignored) {
117 }
118 }
119}