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/*
* Copyright (c) 2012-2018 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.externalcertprovider;
import android.app.Service;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.text.TextUtils;
import de.blinkt.openvpn.api.ExternalCertificateProvider;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import static de.blinkt.externalcertprovider.SelectCertificateActivity.EXTRA_ALIAS;
import static de.blinkt.externalcertprovider.SelectCertificateActivity.EXTRA_DESCRIPTION;
/**
* This is a VERY basic implementation.
* It does not even check if the service is even allowed to use the API
* see ExternalOpenVPNService for an example of checking caller's creditionals
*/
public class ExternalCertService extends Service {
private byte[] doSign(byte[] data)
{
try {
return SimpleSigner.signData(data, false);
} catch (IOException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (InvalidKeySpecException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
}
// Something failed, return null
return null;
}
private final ExternalCertificateProvider.Stub mBinder = new ExternalCertificateProvider.Stub() {
@Override
public byte[] getSignedData(String alias, byte[] data) throws RemoteException {
return null;
}
@Override
public byte[] getCertificateChain(String alias) throws RemoteException {
return TextUtils.join("\n", SimpleSigner.certchain).getBytes();
}
@Override
public Bundle getCertificateMetaData(String alias){
Bundle b = new Bundle();
b.putString(EXTRA_ALIAS, "mynicecert");
b.putString(EXTRA_DESCRIPTION, "Super secret example key!");
return b;
}
@Override
public byte[] getSignedDataWithExtra(String alias, byte[] data, Bundle extra) throws RemoteException {
return new byte[0];
}
};
@Override
public void onCreate() {
super.onCreate();
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
}
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