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
|
/*
* 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.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.Fragment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import org.openintents.openpgp.OpenPgpSignatureResult;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
public abstract class DecryptFragment extends Fragment {
private static final int RESULT_CODE_LOOKUP_KEY = 0x00007006;
protected long mSignatureKeyId = 0;
protected LinearLayout mResultLayout;
protected RelativeLayout mSignatureLayout;
protected TextView mResultText;
protected ImageView mSignatureStatusImage;
protected TextView mUserId;
protected TextView mUserIdRest;
protected Button mLookupKey;
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mResultLayout = (LinearLayout) getView().findViewById(R.id.result);
mResultText = (TextView) getView().findViewById(R.id.result_text);
mSignatureLayout = (RelativeLayout) getView().findViewById(R.id.result_signature);
mSignatureStatusImage = (ImageView) getView().findViewById(R.id.ic_signature_status);
mUserId = (TextView) getView().findViewById(R.id.mainUserId);
mUserIdRest = (TextView) getView().findViewById(R.id.mainUserIdRest);
mLookupKey = (Button) getView().findViewById(R.id.lookup_key);
mLookupKey.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
lookupUnknownKey(mSignatureKeyId);
}
});
mResultLayout.setVisibility(View.GONE);
}
private void lookupUnknownKey(long unknownKeyId) {
Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER);
intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, unknownKeyId);
startActivityForResult(intent, RESULT_CODE_LOOKUP_KEY);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case RESULT_CODE_LOOKUP_KEY: {
if (resultCode == Activity.RESULT_OK) {
// TODO: generate new OpenPgpSignatureResult and display it
}
return;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
break;
}
}
}
protected void onResult(PgpDecryptVerifyResult decryptVerifyResult) {
OpenPgpSignatureResult signatureResult = decryptVerifyResult.getSignatureResult();
mSignatureKeyId = 0;
mResultLayout.setVisibility(View.VISIBLE);
if (signatureResult != null) {
mSignatureStatusImage.setVisibility(View.VISIBLE);
mSignatureKeyId = signatureResult.getKeyId();
String userId = signatureResult.getUserId();
String[] userIdSplit = KeyRing.splitUserId(userId);
if (userIdSplit[0] != null) {
mUserId.setText(userIdSplit[0]);
} else {
mUserId.setText(R.string.user_id_no_name);
}
if (userIdSplit[1] != null) {
mUserIdRest.setText(userIdSplit[1]);
} else {
mUserIdRest.setText(getString(R.string.label_key_id) + ": "
+ PgpKeyHelper.convertKeyIdToHex(mSignatureKeyId));
}
switch (signatureResult.getStatus()) {
case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED: {
if (signatureResult.isSignatureOnly()) {
mResultText.setText(R.string.decrypt_result_signature_certified);
} else {
mResultText.setText(R.string.decrypt_result_decrypted_and_signature_certified);
}
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_green_light));
mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
mSignatureLayout.setVisibility(View.VISIBLE);
mLookupKey.setVisibility(View.GONE);
break;
}
case OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED: {
if (signatureResult.isSignatureOnly()) {
mResultText.setText(R.string.decrypt_result_signature_uncertified);
} else {
mResultText.setText(R.string.decrypt_result_decrypted_and_signature_uncertified);
}
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_orange_light));
mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
mSignatureLayout.setVisibility(View.VISIBLE);
mLookupKey.setVisibility(View.GONE);
break;
}
case OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY: {
if (signatureResult.isSignatureOnly()) {
mResultText.setText(R.string.decrypt_result_signature_unknown_pub_key);
} else {
mResultText.setText(R.string.decrypt_result_decrypted_unknown_pub_key);
}
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_orange_light));
mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
mSignatureLayout.setVisibility(View.VISIBLE);
mLookupKey.setVisibility(View.VISIBLE);
break;
}
case OpenPgpSignatureResult.SIGNATURE_ERROR: {
mResultText.setText(R.string.decrypt_result_invalid_signature);
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_red_light));
mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
mSignatureLayout.setVisibility(View.GONE);
mLookupKey.setVisibility(View.GONE);
break;
}
default: {
mResultText.setText(R.string.error);
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_red_light));
mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
mSignatureLayout.setVisibility(View.GONE);
mLookupKey.setVisibility(View.GONE);
break;
}
}
} else {
mSignatureLayout.setVisibility(View.GONE);
mLookupKey.setVisibility(View.GONE);
// successful decryption-only
mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_purple_light));
mResultText.setText(R.string.decrypt_result_decrypted);
}
}
protected void showPassphraseDialog(long keyId) {
PassphraseDialogFragment.show(getActivity(), keyId,
new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
String passphrase =
message.getData().getString(PassphraseDialogFragment.MESSAGE_DATA_PASSPHRASE);
decryptStart(passphrase);
}
}
}
);
}
/**
* Should be overridden by MessageFragment and FileFragment to start actual decryption
*
* @param passphrase
*/
protected abstract void decryptStart(String passphrase);
}
|
