1package eu.siacs.conversations.utils;
2
3import android.app.AlertDialog;
4import android.content.Context;
5import android.content.DialogInterface;
6import android.content.DialogInterface.OnClickListener;
7import android.content.SharedPreferences;
8import android.content.pm.PackageInfo;
9import android.content.pm.PackageManager;
10import android.content.pm.Signature;
11import android.preference.PreferenceManager;
12import android.util.Log;
13
14import java.io.BufferedReader;
15import java.io.FileInputStream;
16import java.io.IOException;
17import java.io.InputStreamReader;
18import java.io.OutputStream;
19import java.text.SimpleDateFormat;
20import java.util.Date;
21import java.util.List;
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.ConversationActivity;
31import eu.siacs.conversations.xmpp.jid.InvalidJidException;
32import eu.siacs.conversations.xmpp.jid.Jid;
33
34public class ExceptionHelper {
35
36 private static final String FILENAME = "stacktrace.txt";
37 private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
38
39 public static void init(Context context) {
40 if (!(Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler)) {
41 Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler(
42 context));
43 }
44 }
45
46 public static boolean checkForCrash(ConversationActivity activity, final XmppConnectionService service) {
47 try {
48 final SharedPreferences preferences = PreferenceManager
49 .getDefaultSharedPreferences(activity);
50 boolean neverSend = preferences.getBoolean("never_send", false);
51 if (neverSend || Config.BUG_REPORTS == null) {
52 return false;
53 }
54 List<Account> accounts = service.getAccounts();
55 Account account = null;
56 for (int i = 0; i < accounts.size(); ++i) {
57 if (accounts.get(i).isEnabled()) {
58 account = accounts.get(i);
59 break;
60 }
61 }
62 if (account == null) {
63 return false;
64 }
65 final Account finalAccount = account;
66 FileInputStream file = activity.openFileInput(FILENAME);
67 InputStreamReader inputStreamReader = new InputStreamReader(file);
68 BufferedReader stacktrace = new BufferedReader(inputStreamReader);
69 final StringBuilder report = new StringBuilder();
70 PackageManager pm = activity.getPackageManager();
71 PackageInfo packageInfo;
72 try {
73 packageInfo = pm.getPackageInfo(activity.getPackageName(), PackageManager.GET_SIGNATURES);
74 report.append("Version: ").append(packageInfo.versionName).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));
94 builder.setMessage(activity.getText(R.string.crash_report_message));
95 builder.setPositiveButton(activity.getText(R.string.send_now),
96 new OnClickListener() {
97
98 @Override
99 public void onClick(DialogInterface dialog, int which) {
100
101 Log.d(Config.LOGTAG, "using account="
102 + finalAccount.getJid().toBareJid()
103 + " to send in stack trace");
104 Conversation conversation = null;
105 try {
106 conversation = service.findOrCreateConversation(finalAccount,
107 Jid.fromString(Config.BUG_REPORTS), false, true);
108 } catch (final InvalidJidException ignored) {
109 }
110 Message message = new Message(conversation, report
111 .toString(), Message.ENCRYPTION_NONE);
112 service.sendMessage(message);
113 }
114 });
115 builder.setNegativeButton(activity.getText(R.string.send_never),
116 new OnClickListener() {
117
118 @Override
119 public void onClick(DialogInterface dialog, int which) {
120 preferences.edit().putBoolean("never_send", true)
121 .apply();
122 }
123 });
124 builder.create().show();
125 return true;
126 } catch (final IOException ignored) {
127 return false;
128 }
129 }
130
131 public static void writeToStacktraceFile(Context context, String msg) {
132 try {
133 OutputStream os = context.openFileOutput(FILENAME, Context.MODE_PRIVATE);
134 os.write(msg.getBytes());
135 os.flush();
136 os.close();
137 } catch (IOException ignored) {
138 }
139 }
140}