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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.service;
import java.util.ArrayList;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.service.IKeychainKeyService;
import org.sufficientlysecure.keychain.service.handler.IKeychainGetKeyringsHandler;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
public class KeychainKeyService extends Service {
Context mContext;
@Override
public void onCreate() {
super.onCreate();
mContext = this;
Log.d(Constants.TAG, "ApgKeyService, onCreate()");
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(Constants.TAG, "ApgKeyService, onDestroy()");
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
/**
* Synchronized implementation of getPublicKeyRings
*/
private synchronized void getPublicKeyRingsSafe(long[] masterKeyIds,
boolean asAsciiArmoredStringArray, IKeychainGetKeyringsHandler handler)
throws RemoteException {
if (asAsciiArmoredStringArray) {
ArrayList<String> output = ProviderHelper.getPublicKeyRingsAsArmoredString(mContext,
masterKeyIds);
handler.onSuccess(null, output);
} else {
byte[] outputBytes = ProviderHelper
.getPublicKeyRingsAsByteArray(mContext, masterKeyIds);
handler.onSuccess(outputBytes, null);
}
}
/**
* Synchronized implementation of getSecretKeyRings
*/
private synchronized void getSecretKeyRingsSafe(long[] masterKeyIds,
boolean asAsciiArmoredStringArray, IKeychainGetKeyringsHandler handler)
throws RemoteException {
if (asAsciiArmoredStringArray) {
ArrayList<String> output = ProviderHelper.getSecretKeyRingsAsArmoredString(mContext,
masterKeyIds);
handler.onSuccess(null, output);
} else {
byte[] outputBytes = ProviderHelper
.getSecretKeyRingsAsByteArray(mContext, masterKeyIds);
handler.onSuccess(outputBytes, null);
}
}
/**
* This is the implementation of the interface IApgKeyService. All methods are oneway, meaning
* asynchronous and return to the client using handlers.
*
* The real PGP code is located in PGPMain.
*/
private final IKeychainKeyService.Stub mBinder = new IKeychainKeyService.Stub() {
@Override
public void getPublicKeyRings(long[] masterKeyIds, boolean asAsciiArmoredStringArray,
IKeychainGetKeyringsHandler handler) throws RemoteException {
getPublicKeyRingsSafe(masterKeyIds, asAsciiArmoredStringArray, handler);
}
@Override
public void getSecretKeyRings(long[] masterKeyIds, boolean asAsciiArmoredStringArray,
IKeychainGetKeyringsHandler handler) throws RemoteException {
getSecretKeyRingsSafe(masterKeyIds, asAsciiArmoredStringArray, handler);
}
};
/**
* As we can not throw an exception through Android RPC, we assign identifiers to the exception
* types.
*
* @param e
* @return
*/
// private int getExceptionId(Exception e) {
// if (e instanceof NoSuchProviderException) {
// return 0;
// } else if (e instanceof NoSuchAlgorithmException) {
// return 1;
// } else if (e instanceof SignatureException) {
// return 2;
// } else if (e instanceof IOException) {
// return 3;
// } else if (e instanceof ApgGeneralException) {
// return 4;
// } else if (e instanceof PGPException) {
// return 5;
// } else {
// return -1;
// }
// }
}
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