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/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
*
* 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.sufficientlysecure.keychain.demo;
import org.sufficientlysecure.keychain.demo.R;
import org.sufficientlysecure.keychain.integration.KeychainData;
import org.sufficientlysecure.keychain.integration.KeychainIntentHelper;
import org.sufficientlysecure.keychain.service.IKeychainApiService;
import org.sufficientlysecure.keychain.service.IKeychainKeyService;
import org.sufficientlysecure.keychain.service.handler.IKeychainDecryptHandler;
import org.sufficientlysecure.keychain.service.handler.IKeychainEncryptHandler;
import org.sufficientlysecure.keychain.service.handler.IKeychainGetDecryptionKeyIdHandler;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.view.View;
import android.widget.TextView;
public class AidlDemoActivity extends Activity {
Activity mActivity;
TextView mMessageTextView;
TextView mCiphertextTextView;
TextView mDataTextView;
KeychainIntentHelper mKeychainIntentHelper;
KeychainData mKeychainData;
private IKeychainApiService service = null;
private ServiceConnection svcConn = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder binder) {
service = IKeychainApiService.Stub.asInterface(binder);
}
public void onServiceDisconnected(ComponentName className) {
service = null;
}
};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.aidl_demo);
mActivity = this;
mMessageTextView = (TextView) findViewById(R.id.aidl_demo_message);
mCiphertextTextView = (TextView) findViewById(R.id.aidl_demo_ciphertext);
mDataTextView = (TextView) findViewById(R.id.aidl_demo_data);
mKeychainIntentHelper = new KeychainIntentHelper(mActivity);
mKeychainData = new KeychainData();
bindService(new Intent(IKeychainApiService.class.getName()), svcConn,
Context.BIND_AUTO_CREATE);
}
public void encryptOnClick(View view) {
byte[] inputBytes = mMessageTextView.getText().toString().getBytes();
try {
service.encryptAsymmetric(inputBytes, null, true, 0, mKeychainData.getPublicKeys(), 7,
encryptHandler);
} catch (RemoteException e) {
exceptionImplementation(-1, e.toString());
}
}
public void decryptOnClick(View view) {
byte[] inputBytes = mCiphertextTextView.getText().toString().getBytes();
try {
service.decryptAndVerifyAsymmetric(inputBytes, null, null, decryptHandler);
} catch (RemoteException e) {
exceptionImplementation(-1, e.toString());
}
}
private void updateView() {
if (mKeychainData.getDecryptedData() != null) {
mMessageTextView.setText(mKeychainData.getDecryptedData());
}
if (mKeychainData.getEncryptedData() != null) {
mCiphertextTextView.setText(mKeychainData.getEncryptedData());
}
mDataTextView.setText(mKeychainData.toString());
}
@Override
public void onDestroy() {
super.onDestroy();
unbindService(svcConn);
}
private void exceptionImplementation(int exceptionId, String error) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Exception!").setMessage(error).setPositiveButton("OK", null).show();
}
private final IKeychainEncryptHandler.Stub encryptHandler = new IKeychainEncryptHandler.Stub() {
@Override
public void onException(final int exceptionId, final String message) throws RemoteException {
runOnUiThread(new Runnable() {
public void run() {
exceptionImplementation(exceptionId, message);
}
});
}
@Override
public void onSuccess(final byte[] outputBytes, String outputUri) throws RemoteException {
runOnUiThread(new Runnable() {
public void run() {
mKeychainData.setEncryptedData(new String(outputBytes));
updateView();
}
});
}
};
private final IKeychainDecryptHandler.Stub decryptHandler = new IKeychainDecryptHandler.Stub() {
@Override
public void onException(final int exceptionId, final String message) throws RemoteException {
runOnUiThread(new Runnable() {
public void run() {
exceptionImplementation(exceptionId, message);
}
});
}
@Override
public void onSuccess(final byte[] outputBytes, String outputUri, boolean signature,
long signatureKeyId, String signatureUserId, boolean signatureSuccess,
boolean signatureUnknown) throws RemoteException {
runOnUiThread(new Runnable() {
public void run() {
mKeychainData.setDecryptedData(new String(outputBytes));
updateView();
}
});
}
};
private final IKeychainGetDecryptionKeyIdHandler.Stub helperHandler = new IKeychainGetDecryptionKeyIdHandler.Stub() {
@Override
public void onException(final int exceptionId, final String message) throws RemoteException {
runOnUiThread(new Runnable() {
public void run() {
exceptionImplementation(exceptionId, message);
}
});
}
@Override
public void onSuccess(long arg0, boolean arg1) throws RemoteException {
// TODO Auto-generated method stub
}
};
/**
* Selection is done with Intents, not AIDL!
*
* @param view
*/
public void selectSecretKeyOnClick(View view) {
mKeychainIntentHelper.selectSecretKey();
}
public void selectEncryptionKeysOnClick(View view) {
mKeychainIntentHelper.selectPublicKeys("user@example.com");
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// this updates the mKeychainData object to the result of the methods
boolean result = mKeychainIntentHelper.onActivityResult(requestCode, resultCode, data,
mKeychainData);
if (result) {
updateView();
}
// continue with other activity results
super.onActivityResult(requestCode, resultCode, data);
}
}
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