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
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
* 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 android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.ListView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter;
import org.sufficientlysecure.keychain.util.Log;
import java.util.Date;
public class ViewKeyMainFragment extends Fragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
private LinearLayout mContainer;
private View mStatusRevoked;
private View mStatusExpired;
private View mActionEdit;
private View mActionEditDivider;
private View mActionEncrypt;
private View mActionCertify;
private View mActionCertifyDivider;
private ListView mUserIds;
private static final int LOADER_ID_UNIFIED = 0;
private static final int LOADER_ID_USER_IDS = 1;
private ViewKeyUserIdsAdapter mUserIdsAdapter;
private Uri mDataUri;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.view_key_main_fragment, container, false);
mContainer = (LinearLayout) view.findViewById(R.id.container);
mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
mStatusRevoked = view.findViewById(R.id.view_key_revoked);
mStatusExpired = view.findViewById(R.id.view_key_expired);
mActionEdit = view.findViewById(R.id.view_key_action_edit);
mActionEditDivider = view.findViewById(R.id.view_key_action_edit_divider);
mActionEncrypt = view.findViewById(R.id.view_key_action_encrypt);
mActionCertify = view.findViewById(R.id.view_key_action_certify);
mActionCertifyDivider = view.findViewById(R.id.view_key_action_certify_divider);
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
getActivity().finish();
return;
}
loadData(dataUri);
}
private void loadData(Uri dataUri) {
getActivity().setProgressBarIndeterminateVisibility(true);
mContainer.setVisibility(View.GONE);
mDataUri = dataUri;
Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
mActionEncrypt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
encrypt(mDataUri);
}
});
mActionCertify.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
certify(mDataUri);
}
});
mActionEdit.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
editKey(mDataUri);
}
});
mUserIdsAdapter = new ViewKeyUserIdsAdapter(getActivity(), null, 0);
mUserIds.setAdapter(mUserIdsAdapter);
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
}
static final String[] UNIFIED_PROJECTION = new String[]{
KeyRings._ID, KeyRings.MASTER_KEY_ID, KeyRings.HAS_ANY_SECRET, KeyRings.IS_REVOKED,
KeyRings.USER_ID, KeyRings.FINGERPRINT,
KeyRings.ALGORITHM, KeyRings.KEY_SIZE, KeyRings.CREATION, KeyRings.EXPIRY,
KeyRings.HAS_ENCRYPT
};
static final int INDEX_UNIFIED_MASTER_KEY_ID = 1;
static final int INDEX_UNIFIED_HAS_ANY_SECRET = 2;
static final int INDEX_UNIFIED_IS_REVOKED = 3;
static final int INDEX_UNIFIED_USER_ID = 4;
static final int INDEX_UNIFIED_FINGERPRINT = 5;
static final int INDEX_UNIFIED_ALGORITHM = 6;
static final int INDEX_UNIFIED_KEY_SIZE = 7;
static final int INDEX_UNIFIED_CREATION = 8;
static final int INDEX_UNIFIED_EXPIRY = 9;
static final int INDEX_UNIFIED_HAS_ENCRYPT = 10;
static final String[] KEYS_PROJECTION = new String[]{
Keys._ID,
Keys.KEY_ID, Keys.RANK, Keys.ALGORITHM, Keys.KEY_SIZE, Keys.HAS_SECRET,
Keys.CAN_CERTIFY, Keys.CAN_ENCRYPT, Keys.CAN_SIGN, Keys.IS_REVOKED,
Keys.CREATION, Keys.EXPIRY, Keys.FINGERPRINT
};
static final int KEYS_INDEX_CAN_ENCRYPT = 7;
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
switch (id) {
case LOADER_ID_UNIFIED: {
Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri);
return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null);
}
case LOADER_ID_USER_IDS: {
Uri baseUri = UserIds.buildUserIdsUri(mDataUri);
return new CursorLoader(getActivity(), baseUri, ViewKeyUserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
}
default:
return null;
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
/* TODO better error handling? May cause problems when a key is deleted,
* because the notification triggers faster than the activity closes.
*/
// Avoid NullPointerExceptions...
if (data.getCount() == 0) {
return;
}
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_UNIFIED: {
if (data.moveToFirst()) {
if (data.getInt(INDEX_UNIFIED_HAS_ANY_SECRET) != 0) {
// certify button
mActionCertify.setVisibility(View.GONE);
mActionCertifyDivider.setVisibility(View.GONE);
// edit button
mActionEdit.setVisibility(View.VISIBLE);
mActionEditDivider.setVisibility(View.VISIBLE);
} else {
// certify button
mActionCertify.setVisibility(View.VISIBLE);
mActionCertifyDivider.setVisibility(View.VISIBLE);
// edit button
mActionEdit.setVisibility(View.GONE);
mActionEditDivider.setVisibility(View.GONE);
}
// It's easier to reset to defaults beforehand, saves some nasty else clauses
mStatusRevoked.setVisibility(View.GONE);
mStatusExpired.setVisibility(View.GONE);
mActionCertify.setEnabled(true);
mActionEdit.setEnabled(true);
mActionEncrypt.setEnabled(true);
// If this key is revoked, it cannot be used for anything!
if (data.getInt(INDEX_UNIFIED_IS_REVOKED) != 0) {
mStatusRevoked.setVisibility(View.VISIBLE);
mActionCertify.setEnabled(false);
mActionEdit.setEnabled(false);
mActionEncrypt.setEnabled(false);
} else {
Date expiryDate = new Date(data.getLong(INDEX_UNIFIED_EXPIRY) * 1000);
if (!data.isNull(INDEX_UNIFIED_EXPIRY) && expiryDate.before(new Date())) {
mStatusExpired.setVisibility(View.VISIBLE);
mActionCertify.setEnabled(false);
mActionEncrypt.setEnabled(false);
// mActionEdit is still fine
}
}
break;
}
}
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(data);
break;
}
getActivity().setProgressBarIndeterminateVisibility(false);
mContainer.setVisibility(View.VISIBLE);
}
/**
* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
* We need to make sure we are no longer using it.
*/
public void onLoaderReset(Loader<Cursor> loader) {
switch (loader.getId()) {
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(null);
break;
}
}
private void encrypt(Uri dataUri) {
try {
long keyId = new ProviderHelper(getActivity()).extractOrGetMasterKeyId(dataUri);
long[] encryptionKeyIds = new long[]{keyId};
Intent intent = new Intent(getActivity(), EncryptActivity.class);
intent.setAction(EncryptActivity.ACTION_ENCRYPT);
intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds);
// used instead of startActivity set actionbar based on callingPackage
startActivityForResult(intent, 0);
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
private void certify(Uri dataUri) {
Intent signIntent = new Intent(getActivity(), CertifyKeyActivity.class);
signIntent.setData(dataUri);
startActivity(signIntent);
}
private void editKey(Uri dataUri) {
Intent editIntent = new Intent(getActivity(), EditKeyActivity.class);
editIntent.setData(KeychainContract.KeyRingData.buildSecretKeyRingUri(dataUri));
editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
startActivityForResult(editIntent, 0);
}
}
|