1package eu.siacs.conversations.utils;
2
3import android.content.Context;
4import android.content.pm.PackageInfo;
5import android.content.pm.PackageManager;
6import android.content.pm.Signature;
7import android.util.Log;
8
9import com.google.android.material.dialog.MaterialAlertDialogBuilder;
10
11import eu.siacs.conversations.AppSettings;
12import eu.siacs.conversations.Config;
13import eu.siacs.conversations.R;
14import eu.siacs.conversations.entities.Account;
15import eu.siacs.conversations.entities.Conversation;
16import eu.siacs.conversations.entities.Message;
17import eu.siacs.conversations.services.XmppConnectionService;
18import eu.siacs.conversations.ui.XmppActivity;
19
20import java.io.BufferedReader;
21import java.io.FileInputStream;
22import java.io.IOException;
23import java.io.InputStreamReader;
24import java.io.OutputStream;
25import java.lang.ClassNotFoundException;
26import java.text.SimpleDateFormat;
27import java.util.Date;
28import java.util.Locale;
29
30public class ExceptionHelper {
31
32 private static final String FILENAME = "stacktrace.txt";
33 private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
34
35 public static void init(final Context context) {
36 if (Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler) {
37 return;
38 }
39 Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(context));
40 }
41
42 public static boolean checkForCrash(final XmppActivity activity) {
43 try {
44 Class.forName("io.sentry.Sentry");
45 return false;
46 } catch (final ClassNotFoundException e) { }
47
48 try {
49 final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
50 if (service == null) {
51 return false;
52 }
53 final AppSettings appSettings = new AppSettings(activity);
54 if (!appSettings.isSendCrashReports() || Config.BUG_REPORTS == null) {
55 return false;
56 }
57 final Account account = AccountUtils.getFirstEnabled(service);
58 if (account == null) {
59 return false;
60 }
61 final FileInputStream file = activity.openFileInput(FILENAME);
62 final InputStreamReader inputStreamReader = new InputStreamReader(file);
63 final BufferedReader stacktrace = new BufferedReader(inputStreamReader);
64 final StringBuilder report = new StringBuilder();
65 final PackageManager pm = activity.getPackageManager();
66 final PackageInfo packageInfo;
67 try {
68 packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES);
69 final String versionName = packageInfo.versionName;
70 final int versionCode = packageInfo.versionCode;
71 final int version = versionCode > 10000 ? (versionCode / 100) : versionCode;
72 report.append(String.format(Locale.ROOT, "Version: %s(%d)", versionName, version)).append('\n');
73 report.append("Last Update: ").append(DATE_FORMAT.format(new Date(packageInfo.lastUpdateTime))).append('\n');
74 Signature[] signatures = packageInfo.signatures;
75 if (signatures != null && signatures.length >= 1) {
76 report.append("SHA-1: ").append(CryptoHelper.getFingerprintCert(packageInfo.signatures[0].toByteArray())).append('\n');
77 }
78 report.append('\n');
79 } catch (final Exception e) {
80 return false;
81 }
82 String line;
83 while ((line = stacktrace.readLine()) != null) {
84 report.append(line);
85 report.append('\n');
86 }
87 file.close();
88 activity.deleteFile(FILENAME);
89 final MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(activity);
90 builder.setTitle(activity.getString(R.string.crash_report_title, activity.getString(R.string.app_name)));
91 builder.setMessage(activity.getString(R.string.crash_report_message, activity.getString(R.string.app_name)));
92 builder.setPositiveButton(activity.getText(R.string.send_now), (dialog, which) -> {
93
94 Log.d(Config.LOGTAG, "using account=" + account.getJid().asBareJid() + " to send in stack trace");
95 Conversation conversation = service.findOrCreateConversation(account, Config.BUG_REPORTS, false, true);
96 Message message = new Message(conversation, report.toString(), Message.ENCRYPTION_NONE);
97 service.sendMessage(message);
98 });
99 builder.setNegativeButton(activity.getText(R.string.send_never), (dialog, which) -> appSettings.setSendCrashReports(false));
100 builder.create().show();
101 return true;
102 } catch (final IOException ignored) {
103 return false;
104 }
105 }
106
107 static void writeToStacktraceFile(Context context, String msg) {
108 try {
109 OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE);
110 os.write(msg.getBytes());
111 os.flush();
112 os.close();
113 } catch (IOException ignored) {
114 }
115 }
116}