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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 android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.base.BaseNfcActivity;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.Passphrase;
import java.io.IOException;
import java.util.ArrayList;
public class CreateKeyActivity extends BaseNfcActivity {
public static final String EXTRA_NAME = "name";
public static final String EXTRA_EMAIL = "email";
public static final String EXTRA_FIRST_TIME = "first_time";
public static final String EXTRA_ADDITIONAL_EMAILS = "additional_emails";
public static final String EXTRA_PASSPHRASE = "passphrase";
public static final String EXTRA_NFC_USER_ID = "nfc_user_id";
public static final String EXTRA_NFC_AID = "nfc_aid";
public static final String EXTRA_NFC_FINGERPRINTS = "nfc_fingerprints";
public static final String FRAGMENT_TAG = "currentFragment";
String mName;
String mEmail;
ArrayList<String> mAdditionalEmails;
Passphrase mPassphrase;
boolean mFirstTime;
Fragment mCurrentFragment;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Check whether we're recreating a previously destroyed instance
if (savedInstanceState != null) {
// Restore value of members from saved state
mName = savedInstanceState.getString(EXTRA_NAME);
mEmail = savedInstanceState.getString(EXTRA_EMAIL);
mAdditionalEmails = savedInstanceState.getStringArrayList(EXTRA_ADDITIONAL_EMAILS);
mPassphrase = savedInstanceState.getParcelable(EXTRA_PASSPHRASE);
mFirstTime = savedInstanceState.getBoolean(EXTRA_FIRST_TIME);
mCurrentFragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG);
} else {
Intent intent = getIntent();
// Initialize members with default values for a new instance
mName = intent.getStringExtra(EXTRA_NAME);
mEmail = intent.getStringExtra(EXTRA_EMAIL);
mFirstTime = intent.getBooleanExtra(EXTRA_FIRST_TIME, false);
if (intent.hasExtra(EXTRA_NFC_FINGERPRINTS)) {
byte[] nfcFingerprints = intent.getByteArrayExtra(EXTRA_NFC_FINGERPRINTS);
String nfcUserId = intent.getStringExtra(EXTRA_NFC_USER_ID);
byte[] nfcAid = intent.getByteArrayExtra(EXTRA_NFC_AID);
Fragment frag2 = CreateKeyYubiImportFragment.createInstance(
nfcFingerprints, nfcAid, nfcUserId);
loadFragment(frag2, FragAction.START);
setTitle(R.string.title_import_keys);
return;
} else {
CreateKeyStartFragment frag = CreateKeyStartFragment.newInstance();
loadFragment(frag, FragAction.START);
}
}
if (mFirstTime) {
setTitle(R.string.app_name);
setActionBarIcon(R.drawable.ic_launcher);
mToolbar.setNavigationOnClickListener(null);
} else {
setTitle(R.string.title_manage_my_keys);
}
}
@Override
protected void onNfcPerform() throws IOException {
if (mCurrentFragment instanceof NfcListenerFragment) {
((NfcListenerFragment) mCurrentFragment).onNfcPerform();
return;
}
byte[] scannedFingerprints = nfcGetFingerprints();
byte[] nfcAid = nfcGetAid();
String userId = nfcGetUserId();
try {
long masterKeyId = KeyFormattingUtils.getKeyIdFromFingerprint(scannedFingerprints);
CachedPublicKeyRing ring = new ProviderHelper(this).getCachedPublicKeyRing(masterKeyId);
ring.getMasterKeyId();
Intent intent = new Intent(this, ViewKeyActivity.class);
intent.setData(KeyRings.buildGenericKeyRingUri(masterKeyId));
intent.putExtra(ViewKeyActivity.EXTRA_NFC_AID, nfcAid);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_USER_ID, userId);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_FINGERPRINTS, scannedFingerprints);
startActivity(intent);
finish();
} catch (PgpKeyNotFoundException e) {
Fragment frag = CreateKeyYubiImportFragment.createInstance(
scannedFingerprints, nfcAid, userId);
loadFragment(frag, FragAction.TO_RIGHT);
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString(EXTRA_NAME, mName);
outState.putString(EXTRA_EMAIL, mEmail);
outState.putStringArrayList(EXTRA_ADDITIONAL_EMAILS, mAdditionalEmails);
outState.putParcelable(EXTRA_PASSPHRASE, mPassphrase);
outState.putBoolean(EXTRA_FIRST_TIME, mFirstTime);
}
@Override
protected void initLayout() {
setContentView(R.layout.create_key_activity);
}
public static enum FragAction {
START,
TO_RIGHT,
TO_LEFT
}
public void loadFragment(Fragment fragment, FragAction action) {
mCurrentFragment = fragment;
// Add the fragment to the 'fragment_container' FrameLayout
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
switch (action) {
case START:
transaction.setCustomAnimations(0, 0);
transaction.replace(R.id.create_key_fragment_container, fragment, FRAGMENT_TAG)
.commit();
break;
case TO_LEFT:
getSupportFragmentManager().popBackStackImmediate();
break;
case TO_RIGHT:
transaction.setCustomAnimations(R.anim.frag_slide_in_from_right, R.anim.frag_slide_out_to_left,
R.anim.frag_slide_in_from_left, R.anim.frag_slide_out_to_right);
transaction.addToBackStack(null);
transaction.replace(R.id.create_key_fragment_container, fragment, FRAGMENT_TAG)
.commit();
break;
}
// do it immediately!
getSupportFragmentManager().executePendingTransactions();
}
interface NfcListenerFragment {
public void onNfcPerform() throws IOException;
}
}
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