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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;
import org.spongycastle.util.encoders.Hex;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.service.ImportKeyringParcel;
import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
import org.sufficientlysecure.keychain.ui.CreateKeyActivity.NfcListenerFragment;
import org.sufficientlysecure.keychain.ui.base.QueueingCryptoOperationFragment;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.Preferences;
public class CreateYubiKeyImportFragment
extends QueueingCryptoOperationFragment<ImportKeyringParcel, ImportKeyResult>
implements NfcListenerFragment {
private static final String ARG_FINGERPRINT = "fingerprint";
public static final String ARG_AID = "aid";
public static final String ARG_USER_ID = "user_ids";
CreateKeyActivity mCreateKeyActivity;
private byte[] mNfcFingerprints;
private byte[] mNfcAid;
private String mNfcUserId;
private String mNfcFingerprint;
private ImportKeysListFragment mListFragment;
private TextView vSerNo;
private TextView vUserId;
// for CryptoOperationFragment key import
private String mKeyserver;
private ArrayList<ParcelableKeyRing> mKeyList;
public static Fragment newInstance(byte[] scannedFingerprints, byte[] nfcAid, String userId) {
CreateYubiKeyImportFragment frag = new CreateYubiKeyImportFragment();
Bundle args = new Bundle();
args.putByteArray(ARG_FINGERPRINT, scannedFingerprints);
args.putByteArray(ARG_AID, nfcAid);
args.putString(ARG_USER_ID, userId);
frag.setArguments(args);
return frag;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle args = savedInstanceState != null ? savedInstanceState : getArguments();
mNfcFingerprints = args.getByteArray(ARG_FINGERPRINT);
mNfcAid = args.getByteArray(ARG_AID);
mNfcUserId = args.getString(ARG_USER_ID);
byte[] fp = new byte[20];
ByteBuffer.wrap(fp).put(mNfcFingerprints, 0, 20);
mNfcFingerprint = KeyFormattingUtils.convertFingerprintToHex(fp);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.create_yubi_key_import_fragment, container, false);
vSerNo = (TextView) view.findViewById(R.id.yubikey_serno);
vUserId = (TextView) view.findViewById(R.id.yubikey_userid);
{
View mBackButton = view.findViewById(R.id.create_key_back_button);
mBackButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (getFragmentManager().getBackStackEntryCount() == 0) {
getActivity().setResult(Activity.RESULT_CANCELED);
getActivity().finish();
} else {
mCreateKeyActivity.loadFragment(null, FragAction.TO_LEFT);
}
}
});
View mNextButton = view.findViewById(R.id.create_key_next_button);
mNextButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
importKey();
}
});
}
mListFragment = ImportKeysListFragment.newInstance(null, null,
"0x" + mNfcFingerprint, true, null);
view.findViewById(R.id.button_search).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
refreshSearch();
}
});
setData();
getFragmentManager().beginTransaction()
.replace(R.id.yubikey_import_fragment, mListFragment, "yubikey_import")
.commit();
return view;
}
@Override
public void onSaveInstanceState(Bundle args) {
super.onSaveInstanceState(args);
args.putByteArray(ARG_FINGERPRINT, mNfcFingerprints);
args.putByteArray(ARG_AID, mNfcAid);
args.putString(ARG_USER_ID, mNfcUserId);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
mCreateKeyActivity = (CreateKeyActivity) getActivity();
}
public void setData() {
String serno = Hex.toHexString(mNfcAid, 10, 4);
vSerNo.setText(getString(R.string.yubikey_serno, serno));
if (!mNfcUserId.isEmpty()) {
vUserId.setText(getString(R.string.yubikey_key_holder, mNfcUserId));
} else {
vUserId.setText(getString(R.string.yubikey_key_holder_not_set));
}
}
public void refreshSearch() {
mListFragment.loadNew(new ImportKeysListFragment.CloudLoaderState("0x" + mNfcFingerprint,
Preferences.getPreferences(getActivity()).getCloudSearchPrefs()));
}
public void importKey() {
ArrayList<ParcelableKeyRing> keyList = new ArrayList<>();
keyList.add(new ParcelableKeyRing(mNfcFingerprint, null, null));
mKeyList = keyList;
{
Preferences prefs = Preferences.getPreferences(getActivity());
Preferences.CloudSearchPrefs cloudPrefs =
new Preferences.CloudSearchPrefs(true, true, prefs.getPreferredKeyserver());
mKeyserver = cloudPrefs.keyserver;
}
super.setProgressMessageResource(R.string.progress_importing);
super.cryptoOperation();
}
@Override
public void doNfcInBackground() throws IOException {
mNfcFingerprints = mCreateKeyActivity.nfcGetFingerprints();
mNfcAid = mCreateKeyActivity.nfcGetAid();
mNfcUserId = mCreateKeyActivity.nfcGetUserId();
byte[] fp = new byte[20];
ByteBuffer.wrap(fp).put(mNfcFingerprints, 0, 20);
mNfcFingerprint = KeyFormattingUtils.convertFingerprintToHex(fp);
}
@Override
public void onNfcPostExecute() throws IOException {
setData();
refreshSearch();
}
@Override
public ImportKeyringParcel createOperationInput() {
return new ImportKeyringParcel(mKeyList, mKeyserver);
}
@Override
public void onQueuedOperationSuccess(ImportKeyResult result) {
long[] masterKeyIds = result.getImportedMasterKeyIds();
if (masterKeyIds.length == 0) {
super.onCryptoOperationError(result);
return;
}
// null-protected from Queueing*Fragment
Activity activity = getActivity();
Intent intent = new Intent(activity, ViewKeyActivity.class);
// use the imported masterKeyId, not the one from the yubikey, because
// that one might* just have been a subkey of the imported key
intent.setData(KeyRings.buildGenericKeyRingUri(masterKeyIds[0]));
intent.putExtra(ViewKeyActivity.EXTRA_DISPLAY_RESULT, result);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_AID, mNfcAid);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_USER_ID, mNfcUserId);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_FINGERPRINTS, mNfcFingerprints);
startActivity(intent);
activity.finish();
}
}
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