/*
* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
*
* 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.thialfihar.android.apg;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SignatureException;
import java.util.Vector;
import org.bouncycastle2.openpgp.PGPException;
import org.bouncycastle2.openpgp.PGPSecretKey;
import org.bouncycastle2.openpgp.PGPSecretKeyRing;
import org.thialfihar.android.apg.provider.Database;
import org.thialfihar.android.apg.ui.widget.KeyEditor;
import org.thialfihar.android.apg.ui.widget.SectionView;
import org.thialfihar.android.apg.utils.IterableIterator;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Toast;
public class EditKeyActivity extends BaseActivity implements OnClickListener {
private PGPSecretKeyRing mKeyRing = null;
private SectionView mUserIds;
private SectionView mKeys;
private Button mSaveButton;
private Button mDiscardButton;
private String mCurrentPassPhrase = null;
private String mNewPassPhrase = null;
private Button mChangePassPhrase;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.edit_key);
Vector<String> userIds = new Vector<String>();
Vector<PGPSecretKey> keys = new Vector<PGPSecretKey>();
Intent intent = getIntent();
long keyId = 0;
if (intent.getExtras() != null) {
keyId = intent.getExtras().getLong(Apg.EXTRA_KEY_ID);
}
if (keyId != 0) {
PGPSecretKey masterKey = null;
mKeyRing = Apg.getSecretKeyRing(keyId);
if (mKeyRing != null) {
masterKey = Apg.getMasterKey(mKeyRing);
for (PGPSecretKey key : new IterableIterator<PGPSecretKey>(mKeyRing.getSecretKeys())) {
keys.add(key);
}
}
if (masterKey != null) {
for (String userId : new IterableIterator<String>(masterKey.getUserIDs())) {
userIds.add(userId);
}
}
}
mChangePassPhrase = (Button) findViewById(R.id.btn_change_pass_phrase);
mChangePassPhrase.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showDialog(Id.dialog.new_pass_phrase);
}
});
mSaveButton = (Button) findViewById(R.id.btn_save);
mDiscardButton = (Button) findViewById(R.id.btn_discard);
mSaveButton.setOnClickListener(this);
mDiscardButton.setOnClickListener(this);
LayoutInflater inflater =
(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
LinearLayout container = (LinearLayout) findViewById(R.id.container);
mUserIds = (SectionView) inflater.inflate(R.layout.edit_key_section, container, false);
mUserIds.setType(Id.type.user_id);
mUserIds.setUserIds(userIds);
container.addView(mUserIds);
mKeys = (SectionView) inflater.inflate(R.layout.edit_key_section, container, false);
mKeys.setType(Id.type.key);
mKeys.setKeys(keys);
container.addView(mKeys);
mCurrentPassPhrase = Apg.getEditPassPhrase();
if (mCurrentPassPhrase == null) {
mCurrentPassPhrase = "";
}
updatePassPhraseButtonText();
Toast.makeText(this, getString(R.string.warningMessage, getString(R.string.keyEditingIsBeta)),
Toast.LENGTH_LONG).show();
}
private long getMasterKeyId() {
if (mKeys.getEditors().getChildCount() == 0) {
return 0;
}
return ((KeyEditor) mKeys.getEditors().getChildAt(0)).getValue().getKeyID();
}
public boolean havePassPhrase() {
return (!mCurrentPassPhrase.equals("")) ||
(mNewPassPhrase != null && !mNewPassPhrase.equals(""));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, Id.menu.option.preferences, 0, R.string.menu_preferences)
.setIcon(android.R.drawable.ic_menu_preferences);
menu.add(0, Id.menu.option.about, 1, R.string.menu_about)
.setIcon(android.R.drawable.ic_menu_info_details);
return true;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case Id.dialog.new_pass_phrase: {
AlertDialog.Builder alert = new AlertDialog.Builder(this);
if (havePassPhrase()) {
alert.setTitle(R.string.title_changePassPhrase);
} else {
alert.setTitle(R.string.title_setPassPhrase);
}
alert.setMessage(R.string.enterPassPhraseTwice);
LayoutInflater inflater =
(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.pass_phrase, null);
final EditText input1 = (EditText) view.findViewById(R.id.passPhrase);
final EditText input2 = (EditText) view.findViewById(R.id.passPhraseAgain);
alert.setView(view);
alert.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
removeDialog(Id.dialog.new_pass_phrase);
String passPhrase1 = "" + input1.getText();
String passPhrase2 = "" + input2.getText();
if (!passPhrase1.equals(passPhrase2)) {
showDialog(Id.dialog.pass_phrases_do_not_match);
return;
}
if (passPhrase1.equals("")) {
showDialog(Id.dialog.no_pass_phrase);
return;
}
mNewPassPhrase = passPhrase1;
updatePassPhraseButtonText();
}
});
alert.setNegativeButton(android.R.string.cancel,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
removeDialog(Id.dialog.new_pass_phrase);
}
});
return alert.create();
}
default: {
return super.onCreateDialog(id);
}
}
}
@Override
public void onClick(View v) {
if (v == mSaveButton) {
// TODO: some warning
saveClicked();
} else if (v == mDiscardButton) {
finish();
}
}
private void saveClicked() {
if (!havePassPhrase()) {
Toast.makeText(this, R.string.setAPassPhrase, Toast.LENGTH_SHORT).show();
return;
}
showDialog(Id.dialog.saving);
startThread();
}
@Override
public void run() {
String error = null;
Bundle data = new Bundle();
Message msg = new Message();
try {
String oldPassPhrase = mCurrentPassPhrase;
String newPassPhrase = mNewPassPhrase;
if (newPassPhrase == null) {
newPassPhrase = oldPassPhrase;
}
Apg.buildSecretKey(this, mUserIds, mKeys, oldPassPhrase, newPassPhrase, this);
Apg.setCachedPassPhrase(getMasterKeyId(), newPassPhrase);
} catch (NoSuchProviderException e) {
error = "" + e;
} catch (NoSuchAlgorithmException e) {
error = "" + e;
} catch (PGPException e) {
error = "" + e;
} catch (SignatureException e) {
error = "" + e;
} catch (Apg.GeneralException e) {
error = "" + e;
} catch (Database.GeneralException e) {
error = "" + e;
} catch (IOException e) {
error = "" + e;
}
data.putInt(Constants.extras.status, Id.message.done);
if (error != null) {
data.putString(Apg.EXTRA_ERROR, error);
}
msg.setData(data);
sendMessage(msg);
}
@Override
public void doneCallback(Message msg) {
super.doneCallback(msg);
Bundle data = msg.getData();
removeDialog(Id.dialog.saving);
String error = data.getString(Apg.EXTRA_ERROR);
if (error != null) {
Toast.makeText(EditKeyActivity.this,
getString(R.string.errorMessage, error), Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(EditKeyActivity.this, R.string.keySaved, Toast.LENGTH_SHORT).show();
setResult(RESULT_OK);
finish();
}
}
private void updatePassPhraseButtonText() {
mChangePassPhrase.setText(
havePassPhrase() ? R.string.btn_changePassPhrase : R.string.btn_setPassPhrase);
}
}