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
|
/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import android.app.Activity;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.widget.Toast;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.intents.OpenKeychainIntents;
import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
public class DecryptActivity extends BaseActivity {
/* Intents */
public static final String ACTION_DECRYPT_FROM_CLIPBOARD = "DECRYPT_DATA_CLIPBOARD";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setFullScreenDialogClose(new View.OnClickListener() {
@Override
public void onClick(View v) {
setResult(Activity.RESULT_CANCELED);
finish();
}
}, false);
// Handle intent actions
handleActions(savedInstanceState, getIntent());
}
@Override
protected void initLayout() {
setContentView(R.layout.decrypt_files_activity);
}
/**
* Handles all actions with this intent
*/
private void handleActions(Bundle savedInstanceState, Intent intent) {
// No need to initialize fragments if we are just being restored
if (savedInstanceState != null) {
return;
}
ArrayList<Uri> uris = new ArrayList<>();
String action = intent.getAction();
if (action == null) {
Toast.makeText(this, "Error: No action specified!", Toast.LENGTH_LONG).show();
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
try {
switch (action) {
case Intent.ACTION_SEND: {
// When sending to Keychain Decrypt via share menu
// Binary via content provider (could also be files)
// override uri to get stream from send
if (intent.hasExtra(Intent.EXTRA_STREAM)) {
uris.add(intent.<Uri>getParcelableExtra(Intent.EXTRA_STREAM));
} else if (intent.hasExtra(Intent.EXTRA_TEXT)) {
String text = intent.getStringExtra(Intent.EXTRA_TEXT);
Uri uri = readToTempFile(text);
uris.add(uri);
}
break;
}
case Intent.ACTION_SEND_MULTIPLE: {
if (intent.hasExtra(Intent.EXTRA_STREAM)) {
uris = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
} else if (intent.hasExtra(Intent.EXTRA_TEXT)) {
for (String text : intent.getStringArrayListExtra(Intent.EXTRA_TEXT)) {
Uri uri = readToTempFile(text);
uris.add(uri);
}
}
break;
}
case ACTION_DECRYPT_FROM_CLIPBOARD: {
ClipboardManager clipMan = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
if (clipMan == null) {
break;
}
ClipData clip = clipMan.getPrimaryClip();
if (clip == null) {
break;
}
// check if data is available as uri
Uri uri = null;
for (int i = 0; i < clip.getItemCount(); i++) {
ClipData.Item item = clip.getItemAt(i);
Uri itemUri = item.getUri();
if (itemUri != null) {
uri = itemUri;
break;
}
}
// otherwise, coerce to text (almost always possible) and work from there
if (uri == null) {
String text = clip.getItemAt(0).coerceToText(this).toString();
uri = readToTempFile(text);
}
uris.add(uri);
break;
}
// for everything else, just work on the intent data
case OpenKeychainIntents.DECRYPT_DATA:
case Intent.ACTION_VIEW:
default:
uris.add(intent.getData());
}
} catch (IOException e) {
Toast.makeText(this, R.string.error_reading_text, Toast.LENGTH_LONG).show();
finish();
return;
}
// Definitely need a data uri with the decrypt_data intent
if (uris.isEmpty()) {
Toast.makeText(this, "No data to decrypt!", Toast.LENGTH_LONG).show();
setResult(Activity.RESULT_CANCELED);
finish();
return;
}
displayListFragment(uris);
}
public Uri readToTempFile(String text) throws IOException {
Uri tempFile = TemporaryStorageProvider.createFile(this);
OutputStream outStream = getContentResolver().openOutputStream(tempFile);
outStream.write(text.getBytes());
outStream.close();
return tempFile;
}
public void displayListFragment(ArrayList<Uri> inputUris) {
DecryptListFragment frag = DecryptListFragment.newInstance(inputUris);
FragmentManager fragMan = getSupportFragmentManager();
FragmentTransaction trans = fragMan.beginTransaction();
trans.replace(R.id.decrypt_files_fragment_container, frag);
// if there already is a fragment, allow going back to that. otherwise, we're top level!
if (fragMan.getFragments() != null && !fragMan.getFragments().isEmpty()) {
trans.addToBackStack("list");
}
trans.commit();
}
}
|
