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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sufficientlysecure.keychain.remote_api;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.PgpMain;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragmentActivity;
public class ServiceActivity extends SherlockFragmentActivity {
public static final String ACTION_REGISTER = "org.sufficientlysecure.keychain.remote_api.REGISTER";
public static final String ACTION_CACHE_PASSPHRASE = "org.sufficientlysecure.keychain.remote_api.CRYPTO_CACHE_PASSPHRASE";
public static final String EXTRA_SECRET_KEY_ID = "secretKeyId";
public static final String EXTRA_PACKAGE_NAME = "packageName";
private IServiceActivityCallback mServiceCallback;
private boolean mServiceBound;
// view
AppSettingsFragment settingsFragment;
private ServiceConnection mServiceActivityConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName name, IBinder service) {
mServiceCallback = IServiceActivityCallback.Stub.asInterface(service);
Log.d(Constants.TAG, "connected to ICryptoServiceActivity");
mServiceBound = true;
}
public void onServiceDisconnected(ComponentName name) {
mServiceCallback = null;
Log.d(Constants.TAG, "disconnected from ICryptoServiceActivity");
mServiceBound = false;
}
};
/**
* If not already bound, bind!
*
* @return
*/
public boolean bindToService() {
if (mServiceCallback == null && !mServiceBound) { // if not already connected
try {
Log.d(Constants.TAG, "not bound yet");
Intent serviceIntent = new Intent();
serviceIntent.setAction("org.openintents.crypto.ICryptoService");
bindService(serviceIntent, mServiceActivityConnection, Context.BIND_AUTO_CREATE);
return true;
} catch (Exception e) {
Log.d(Constants.TAG, "Exception", e);
return false;
}
} else { // already connected
Log.d(Constants.TAG, "already bound... ");
return true;
}
}
public void unbindFromService() {
unbindService(mServiceActivityConnection);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d(Constants.TAG, "onCreate…");
// bind to our own crypto service
bindToService();
handleActions(getIntent());
}
@Override
protected void onDestroy() {
super.onDestroy();
// unbind from our crypto service
if (mServiceActivityConnection != null) {
unbindFromService();
}
}
protected void handleActions(Intent intent) {
String action = intent.getAction();
Bundle extras = intent.getExtras();
if (extras == null) {
extras = new Bundle();
}
/**
* com.android.crypto actions
*/
if (ACTION_REGISTER.equals(action)) {
final String packageName = extras.getString(EXTRA_PACKAGE_NAME);
// Inflate a "Done"/"Cancel" custom action bar view
final LayoutInflater inflater = (LayoutInflater) getSupportActionBar()
.getThemedContext().getSystemService(LAYOUT_INFLATER_SERVICE);
final View customActionBarView = inflater.inflate(
R.layout.actionbar_custom_view_done_cancel, null);
((TextView) customActionBarView.findViewById(R.id.actionbar_done_text))
.setText(R.string.api_register_allow);
customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
// Allow
if (settingsFragment.getSecretKeyId() == Id.key.none) {
Toast.makeText(ServiceActivity.this,
R.string.api_register_error_select_key, Toast.LENGTH_LONG)
.show();
} else {
ProviderHelper.addCryptoConsumer(ServiceActivity.this, packageName);
// Intent data = new Intent();
try {
mServiceCallback.onRegistered(true, packageName);
} catch (RemoteException e) {
Log.e(Constants.TAG, "ServiceActivity");
}
finish();
}
}
});
((TextView) customActionBarView.findViewById(R.id.actionbar_cancel_text))
.setText(R.string.api_register_disallow);
customActionBarView.findViewById(R.id.actionbar_cancel).setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
// Disallow
try {
mServiceCallback.onRegistered(false, packageName);
} catch (RemoteException e) {
Log.e(Constants.TAG, "ServiceActivity");
}
finish();
}
});
// Show the custom action bar view and hide the normal Home icon and title.
final ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME
| ActionBar.DISPLAY_SHOW_TITLE);
actionBar.setCustomView(customActionBarView, new ActionBar.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
setContentView(R.layout.api_app_register_activity);
settingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
R.id.api_app_settings_fragment);
settingsFragment.setPackage(packageName);
// TODO: handle if app is already registered
// LinearLayout layoutRegister = (LinearLayout)
// findViewById(R.id.register_crypto_consumer_register_layout);
// LinearLayout layoutEdit = (LinearLayout)
// findViewById(R.id.register_crypto_consumer_edit_layout);
//
// // if already registered show edit buttons
// ArrayList<String> allowedPkgs = ProviderHelper.getCryptoConsumers(this);
// if (allowedPkgs.contains(packageName)) {
// Log.d(Constants.TAG, "Package is allowed! packageName: " + packageName);
// layoutRegister.setVisibility(View.GONE);
// layoutEdit.setVisibility(View.VISIBLE);
// } else {
// layoutRegister.setVisibility(View.VISIBLE);
// layoutEdit.setVisibility(View.GONE);
// }
} else if (ACTION_CACHE_PASSPHRASE.equals(action)) {
long secretKeyId = extras.getLong(EXTRA_SECRET_KEY_ID);
showPassphraseDialog(secretKeyId);
} else {
Log.e(Constants.TAG, "Wrong action!");
finish();
}
}
/**
* Shows passphrase dialog to cache a new passphrase the user enters for using it later for
* encryption. Based on mSecretKeyId it asks for a passphrase to open a private key or it asks
* for a symmetric passphrase
*/
private void showPassphraseDialog(long secretKeyId) {
// Message is received after passphrase is cached
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
try {
mServiceCallback.onCachedPassphrase(true);
} catch (RemoteException e) {
Log.e(Constants.TAG, "ServiceActivity");
}
finish();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
try {
PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(this,
messenger, secretKeyId);
passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog");
} catch (PgpMain.PgpGeneralException e) {
Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!");
// send message to handler to start encryption directly
returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY);
}
}
}
|