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
|
/*
* 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.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.FileHelper;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Notify;
import java.io.File;
public class DecryptFileFragment extends DecryptFragment {
public static final String ARG_URI = "uri";
public static final String ARG_FROM_VIEW_INTENT = "view_intent";
private static final int REQUEST_CODE_INPUT = 0x00007003;
private static final int REQUEST_CODE_OUTPUT = 0x00007007;
// view
private TextView mFilename;
private CheckBox mDeleteAfter;
private View mDecryptButton;
// model
private Uri mInputUri = null;
private Uri mOutputUri = null;
/**
* Inflate the layout for this fragment
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.decrypt_file_fragment, container, false);
mFilename = (TextView) view.findViewById(R.id.decrypt_file_filename);
mDeleteAfter = (CheckBox) view.findViewById(R.id.decrypt_file_delete_after_decryption);
mDecryptButton = view.findViewById(R.id.decrypt_file_action_decrypt);
view.findViewById(R.id.decrypt_file_browse).setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
FileHelper.openDocument(DecryptFileFragment.this, "*/*", REQUEST_CODE_INPUT);
} else {
FileHelper.openFile(DecryptFileFragment.this, mInputUri, "*/*",
REQUEST_CODE_INPUT);
}
}
});
mDecryptButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
decryptAction();
}
});
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setInputUri(getArguments().<Uri>getParcelable(ARG_URI));
}
private void setInputUri(Uri inputUri) {
if (inputUri == null) {
mInputUri = null;
mFilename.setText("");
return;
}
mInputUri = inputUri;
mFilename.setText(FileHelper.getFilename(getActivity(), mInputUri));
}
private void decryptAction() {
if (mInputUri == null) {
Notify.showNotify(getActivity(), R.string.no_file_selected, Notify.Style.ERROR);
return;
}
askForOutputFilename();
}
private String removeEncryptedAppend(String name) {
if (name.endsWith(".asc") || name.endsWith(".gpg") || name.endsWith(".pgp")) {
return name.substring(0, name.length() - 4);
}
return name;
}
private void askForOutputFilename() {
String targetName = removeEncryptedAppend(FileHelper.getFilename(getActivity(), mInputUri));
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
File file = new File(mInputUri.getPath());
File parentDir = file.exists() ? file.getParentFile() : Constants.Path.APP_DIR;
File targetFile = new File(parentDir, targetName);
FileHelper.saveFile(this, getString(R.string.title_decrypt_to_file),
getString(R.string.specify_file_to_decrypt_to), targetFile, REQUEST_CODE_OUTPUT);
} else {
FileHelper.saveDocument(this, "*/*", targetName, REQUEST_CODE_OUTPUT);
}
}
@Override
protected void decryptStart(String passphrase) {
Log.d(Constants.TAG, "decryptStart");
// Send all information needed to service to decrypt in other thread
Intent intent = new Intent(getActivity(), KeychainIntentService.class);
// fill values for this action
Bundle data = new Bundle();
intent.setAction(KeychainIntentService.ACTION_DECRYPT_VERIFY);
// data
Log.d(Constants.TAG, "mInputUri=" + mInputUri + ", mOutputUri=" + mOutputUri);
data.putInt(KeychainIntentService.SOURCE, KeychainIntentService.IO_URI);
data.putParcelable(KeychainIntentService.ENCRYPT_INPUT_URI, mInputUri);
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.IO_URI);
data.putParcelable(KeychainIntentService.ENCRYPT_OUTPUT_URI, mOutputUri);
data.putString(KeychainIntentService.DECRYPT_PASSPHRASE, passphrase);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
// Message is received after encrypting is done in KeychainIntentService
KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(getActivity(),
getString(R.string.progress_decrypting), ProgressDialog.STYLE_HORIZONTAL) {
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
// get returned data bundle
Bundle returnData = message.getData();
PgpDecryptVerifyResult decryptVerifyResult =
returnData.getParcelable(KeychainIntentService.RESULT_DECRYPT_VERIFY_RESULT);
if (PgpDecryptVerifyResult.KEY_PASSHRASE_NEEDED == decryptVerifyResult.getStatus()) {
showPassphraseDialog(decryptVerifyResult.getKeyIdPassphraseNeeded());
} else if (PgpDecryptVerifyResult.SYMMETRIC_PASSHRASE_NEEDED ==
decryptVerifyResult.getStatus()) {
showPassphraseDialog(Constants.key.symmetric);
} else {
// display signature result in activity
onResult(decryptVerifyResult);
if (mDeleteAfter.isChecked()) {
// Create and show dialog to delete original file
DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment.newInstance(mInputUri);
deleteFileDialog.show(getActivity().getSupportFragmentManager(), "deleteDialog");
setInputUri(null);
}
/*
// A future open after decryption feature
if () {
Intent viewFile = new Intent(Intent.ACTION_VIEW);
viewFile.setData(mOutputUri);
startActivity(viewFile);
}
*/
}
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(getActivity());
// start service with intent
getActivity().startService(intent);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CODE_INPUT: {
if (resultCode == Activity.RESULT_OK && data != null) {
setInputUri(data.getData());
}
return;
}
case REQUEST_CODE_OUTPUT: {
// This happens after output file was selected, so start our operation
if (resultCode == Activity.RESULT_OK && data != null) {
mOutputUri = data.getData();
decryptStart(null);
}
return;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
break;
}
}
}
}
|
