123 lines
4.5 KiB
Java
123 lines
4.5 KiB
Java
/*
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* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.service.remote;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintWriter;
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import java.security.cert.X509Certificate;
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import javax.security.auth.callback.Callback;
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import javax.security.auth.callback.CallbackHandler;
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import javax.security.auth.callback.PasswordCallback;
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import org.bouncycastle.openpgp.PGPPrivateKey;
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import org.bouncycastle.openpgp.PGPSecretKey;
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import org.bouncycastle.openssl.PEMWriter;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
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import org.sufficientlysecure.keychain.pgp.PgpToX509;
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import org.sufficientlysecure.keychain.util.Log;
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import android.content.Intent;
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import android.os.IBinder;
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import android.os.RemoteException;
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public class ExtendedApiService extends RemoteService {
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@Override
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public IBinder onBind(Intent intent) {
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return mBinder;
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}
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private void selfSignedX509CertSafe(String subjAltNameURI, IExtendedApiCallback callback,
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AppSettings appSettings) {
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// TODO: for pgp keyrings with password
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CallbackHandler pgpPwdCallbackHandler = new PgpToX509.PredefinedPasswordCallbackHandler("");
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try {
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long keyId = appSettings.getKeyId();
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PGPSecretKey pgpSecretKey = PgpKeyHelper.getSigningKey(this, keyId);
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PasswordCallback pgpSecKeyPasswordCallBack = new PasswordCallback("pgp passphrase?",
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false);
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pgpPwdCallbackHandler.handle(new Callback[] { pgpSecKeyPasswordCallBack });
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PGPPrivateKey pgpPrivKey = pgpSecretKey.extractPrivateKey(
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pgpSecKeyPasswordCallBack.getPassword(), Constants.BOUNCY_CASTLE_PROVIDER_NAME);
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pgpSecKeyPasswordCallBack.clearPassword();
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X509Certificate selfSignedCert = PgpToX509.createSelfSignedCert(pgpSecretKey,
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pgpPrivKey, subjAltNameURI);
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// Write x509cert and privKey into files
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// FileOutputStream fosCert = context.openFileOutput(CERT_FILENAME,
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// Context.MODE_PRIVATE);
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ByteArrayOutputStream outStream = new ByteArrayOutputStream();
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PEMWriter pemWriterCert = new PEMWriter(new PrintWriter(outStream));
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pemWriterCert.writeObject(selfSignedCert);
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pemWriterCert.close();
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byte[] outputBytes = outStream.toByteArray();
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callback.onSuccess(outputBytes);
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} catch (Exception e) {
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Log.e(Constants.TAG, "ExtendedApiService", e);
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try {
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callback.onError(e.getMessage());
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} catch (RemoteException e1) {
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Log.e(Constants.TAG, "ExtendedApiService", e);
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}
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}
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// TODO: no private key at the moment! Don't give it to others
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// PrivateKey privKey = pgpPrivKey.getKey();
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// FileOutputStream fosKey = context.openFileOutput(PRIV_KEY_FILENAME,
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// Context.MODE_PRIVATE);
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// PEMWriter pemWriterKey = new PEMWriter(new PrintWriter(fosKey));
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// pemWriterKey.writeObject(privKey);
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// pemWriterKey.close();
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}
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private final IExtendedApiService.Stub mBinder = new IExtendedApiService.Stub() {
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@Override
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public void encrypt(byte[] inputBytes, String passphrase, IExtendedApiCallback callback)
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throws RemoteException {
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// TODO : implement
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}
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@Override
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public void selfSignedX509Cert(final String subjAltNameURI,
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final IExtendedApiCallback callback) throws RemoteException {
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final AppSettings settings = getAppSettings();
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Runnable r = new Runnable() {
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@Override
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public void run() {
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selfSignedX509CertSafe(subjAltNameURI, callback, settings);
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}
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};
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checkAndEnqueue(r);
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}
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};
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}
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