1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
package com.zeapo.pwdstore;
import android.accessibilityservice.AccessibilityService;
import android.app.PendingIntent;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v7.app.AlertDialog;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.Button;
import android.widget.Toast;
import com.zeapo.pwdstore.utils.PasswordItem;
import com.zeapo.pwdstore.utils.PasswordRepository;
import org.apache.commons.io.FileUtils;
import org.openintents.openpgp.OpenPgpError;
import org.openintents.openpgp.util.OpenPgpApi;
import org.openintents.openpgp.util.OpenPgpServiceConnection;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
public class AutofillService extends AccessibilityService {
private OpenPgpServiceConnection serviceConnection;
private SharedPreferences settings;
private AccessibilityNodeInfo info; // the original source of the event (the edittext field)
private ArrayList<PasswordItem> items;
private static AutofillService service;
public final class Constants {
public static final String TAG = "Keychain";
}
@Override
protected void onServiceConnected() {
super.onServiceConnected();
serviceConnection = new OpenPgpServiceConnection(AutofillService.this, "org.sufficientlysecure.keychain");
serviceConnection.bindToService();
settings = PreferenceManager.getDefaultSharedPreferences(this);
service = this;
}
public static AutofillService getService() {
return service;
}
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
if (!event.isPassword() || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
return;
}
info = event.getSource();
PackageManager packageManager = getPackageManager();
ApplicationInfo applicationInfo;
try {
applicationInfo = packageManager.getApplicationInfo(event.getPackageName().toString(), 0);
} catch (PackageManager.NameNotFoundException e) {
applicationInfo = null;
}
String appName = (applicationInfo != null ? packageManager.getApplicationLabel(applicationInfo) : "").toString();
if (appName.equals("OpenKeychain")) {
return;
}
items = recursiveFilter(appName, null);
if (items.isEmpty()) {
return;
}
ArrayList<CharSequence> itemNames = new ArrayList<>();
for (PasswordItem item : items) {
itemNames.add(item.toString());
}
AlertDialog.Builder builder = new AlertDialog.Builder(this, R.style.Theme_AppCompat_Light_Dialog_Alert);
builder.setNegativeButton("Cancel", null);
builder.setView(R.layout.autofill_layout);
final AlertDialog dialog = builder.create();
dialog.setTitle("Fill with Password Store");
dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
dialog.show();
((Button) dialog.findViewById(R.id.button)).setText(itemNames.get(0).toString());
dialog.findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
decryptAndVerify();
dialog.dismiss();
}
});
}
private ArrayList<PasswordItem> recursiveFilter(String filter, File dir) {
ArrayList<PasswordItem> items = new ArrayList<>();
if (!PasswordRepository.isInitialized()) {
return items;
}
ArrayList<PasswordItem> passwordItems = dir == null ?
PasswordRepository.getPasswords() :
PasswordRepository.getPasswords(dir);
for (PasswordItem item : passwordItems) {
if (item.getType() == PasswordItem.TYPE_CATEGORY) {
recursiveFilter(filter, item.getFile());
}
if (item.toString().toLowerCase().contains(filter.toLowerCase())) {
items.add(item);
}
}
return items;
}
@Override
public void onInterrupt() {
}
public void decryptAndVerify() {
Intent data = new Intent();
data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY);
InputStream is = null;
try {
is = FileUtils.openInputStream(items.get(0).getFile());
} catch (IOException e) {
e.printStackTrace();
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
OpenPgpApi api = new OpenPgpApi(AutofillService.this, serviceConnection.getService());
Intent result = api.executeApi(data, is, os);
switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) {
case OpenPgpApi.RESULT_CODE_SUCCESS: {
try {
String[] passContent = os.toString("UTF-8").split("\n");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// if the user focused on something else, take focus back
// but this will open another dialog...
info.performAction(AccessibilityNodeInfo.ACTION_FOCUS);
Bundle args = new Bundle();
args.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE,
passContent[0]);
info.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, args);
} else {
info.performAction(AccessibilityNodeInfo.ACTION_FOCUS);
ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
ClipData clip = ClipData.newPlainText("autofill_pm", passContent[0]);
clipboard.setPrimaryClip(clip);
info.performAction(AccessibilityNodeInfo.ACTION_PASTE);
clip = ClipData.newPlainText("autofill_pm", "MyPasswordIsDaBest!");
clipboard.setPrimaryClip(clip);
if (settings.getBoolean("clear_clipboard_20x", false)) {
for (int i = 0; i < 19; i++) {
clip = ClipData.newPlainText(String.valueOf(i), String.valueOf(i));
clipboard.setPrimaryClip(clip);
}
}
}
} catch (UnsupportedEncodingException e) {
Log.e(Constants.TAG, "UnsupportedEncodingException", e);
}
break;
}
case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: {
Log.i("PgpHandler", "RESULT_CODE_USER_INTERACTION_REQUIRED");
PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT);
// need to start a blank activity to call startIntentSenderForResult
Intent intent = new Intent(AutofillService.this, AutofillActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK
| Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
intent.putExtra("pending_intent", pi);
startActivity(intent);
break;
}
case OpenPgpApi.RESULT_CODE_ERROR: {
OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR);
Toast.makeText(AutofillService.this,
"Error from OpenKeyChain : " + error.getMessage(),
Toast.LENGTH_LONG).show();
Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId());
Log.e(Constants.TAG, "onError getMessage:" + error.getMessage());
break;
}
}
}
}
|
