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