1package eu.siacs.conversations.utils;
2
3import android.support.v7.app.AlertDialog;
4import android.content.Context;
5import android.content.SharedPreferences;
6import android.content.pm.PackageInfo;
7import android.content.pm.PackageManager;
8import android.content.pm.Signature;
9import android.preference.PreferenceManager;
10import android.util.Log;
11
12import java.io.BufferedReader;
13import java.io.FileInputStream;
14import java.io.IOException;
15import java.io.InputStreamReader;
16import java.io.OutputStream;
17import java.text.SimpleDateFormat;
18import java.util.Date;
19import java.util.List;
20import java.util.Locale;
21
22import eu.siacs.conversations.Config;
23import eu.siacs.conversations.R;
24import eu.siacs.conversations.entities.Account;
25import eu.siacs.conversations.entities.Conversation;
26import eu.siacs.conversations.entities.Message;
27import eu.siacs.conversations.services.XmppConnectionService;
28import eu.siacs.conversations.ui.XmppActivity;
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(Context context) {
36 if (!(Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler)) {
37 Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(
38 context));
39 }
40 }
41
42 public static boolean checkForCrash(XmppActivity activity) {
43 try {
44 final XmppConnectionService service = activity == null ? null : activity.xmppConnectionService;
45 if (service == null) {
46 return false;
47 }
48 final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
49 boolean neverSend = preferences.getBoolean("never_send", false);
50 if (neverSend || Config.BUG_REPORTS == null) {
51 return false;
52 }
53 List<Account> accounts = service.getAccounts();
54 Account account = null;
55 for (int i = 0; i < accounts.size(); ++i) {
56 if (accounts.get(i).isEnabled()) {
57 account = accounts.get(i);
58 break;
59 }
60 }
61 if (account == null) {
62 return false;
63 }
64 final Account finalAccount = account;
65 FileInputStream file = activity.openFileInput(FILENAME);
66 InputStreamReader inputStreamReader = new InputStreamReader(file);
67 BufferedReader stacktrace = new BufferedReader(inputStreamReader);
68 final StringBuilder report = new StringBuilder();
69 PackageManager pm = activity.getPackageManager();
70 PackageInfo packageInfo;
71 try {
72 packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES);
73 report.append("Version: ").append(packageInfo.versionName).append('\n');
74 report.append("Last Update: ").append(DATE_FORMAT.format(new Date(packageInfo.lastUpdateTime))).append('\n');
75 Signature[] signatures = packageInfo.signatures;
76 if (signatures != null && signatures.length >= 1) {
77 report.append("SHA-1: ").append(CryptoHelper.getFingerprintCert(packageInfo.signatures[0].toByteArray())).append('\n');
78 }
79 report.append('\n');
80 } catch (Exception e) {
81 e.printStackTrace();
82 return false;
83 }
84 String line;
85 while ((line = stacktrace.readLine()) != null) {
86 report.append(line);
87 report.append('\n');
88 }
89 file.close();
90 activity.deleteFile(FILENAME);
91 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
92 builder.setTitle(activity.getString(R.string.crash_report_title));
93 builder.setMessage(activity.getText(R.string.crash_report_message));
94 builder.setPositiveButton(activity.getText(R.string.send_now), (dialog, which) -> {
95
96 Log.d(Config.LOGTAG, "using account=" + finalAccount.getJid().asBareJid() + " to send in stack trace");
97 Conversation conversation = service.findOrCreateConversation(finalAccount, Config.BUG_REPORTS, false, true);
98 Message message = new Message(conversation, report.toString(), Message.ENCRYPTION_NONE);
99 service.sendMessage(message);
100 });
101 builder.setNegativeButton(activity.getText(R.string.send_never), (dialog, which) -> preferences.edit().putBoolean("never_send", true).apply());
102 builder.create().show();
103 return true;
104 } catch (final IOException ignored) {
105 return false;
106 }
107 }
108
109 static void writeToStacktraceFile(Context context, String msg) {
110 try {
111 OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE);
112 os.write(msg.getBytes());
113 os.flush();
114 os.close();
115 } catch (IOException ignored) {
116 }
117 }
118}