/*
* Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2013 Bahtiar 'kalkin' Gadimov
*
* 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.animation.ArgbEvaluator;
import android.animation.ObjectAnimator;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ActivityOptions;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.provider.ContactsContract;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.widget.CardView;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.getbase.floatingactionbutton.FloatingActionButton;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.operations.results.CertifyResult;
import org.sufficientlysecure.keychain.operations.results.ImportKeyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.KeychainService;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler.MessageStatus;
import org.sufficientlysecure.keychain.service.PassphraseCacheService;
import org.sufficientlysecure.keychain.ui.base.BaseNfcActivity;
import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.ui.util.Notify.ActionListener;
import org.sufficientlysecure.keychain.ui.util.Notify.Style;
import org.sufficientlysecure.keychain.ui.util.QrCodeUtils;
import org.sufficientlysecure.keychain.util.ContactHelper;
import org.sufficientlysecure.keychain.util.ExportHelper;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.NfcHelper;
import org.sufficientlysecure.keychain.util.Preferences;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
public class ViewKeyActivity extends BaseNfcActivity implements
LoaderManager.LoaderCallbacks<Cursor> {
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";
static final int REQUEST_QR_FINGERPRINT = 1;
static final int REQUEST_DELETE = 2;
static final int REQUEST_EXPORT = 3;
public static final String EXTRA_DISPLAY_RESULT = "display_result";
ExportHelper mExportHelper;
ProviderHelper mProviderHelper;
protected Uri mDataUri;
private TextView mName;
private TextView mStatusText;
private ImageView mStatusImage;
private RelativeLayout mBigToolbar;
private ImageButton mActionEncryptFile;
private ImageButton mActionEncryptText;
private ImageButton mActionNfc;
private FloatingActionButton mFab;
private ImageView mPhoto;
private ImageView mQrCode;
private CardView mQrCodeLayout;
private String mQrCodeLoaded;
// NFC
private NfcHelper mNfcHelper;
private static final int LOADER_ID_UNIFIED = 0;
private boolean mIsSecret = false;
private boolean mHasEncrypt = false;
private boolean mIsVerified = false;
private boolean mIsRevoked = false;
private boolean mIsExpired = false;
private boolean mShowYubikeyAfterCreation = false;
private MenuItem mRefreshItem;
private boolean mIsRefreshing;
private Animation mRotate, mRotateSpin;
private View mRefresh;
private String mFingerprint;
private long mMasterKeyId;
@SuppressLint("InflateParams")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mExportHelper = new ExportHelper(this);
mProviderHelper = new ProviderHelper(this);
setTitle(null);
mName = (TextView) findViewById(R.id.view_key_name);
mStatusText = (TextView) findViewById(R.id.view_key_status);
mStatusImage = (ImageView) findViewById(R.id.view_key_status_image);
mBigToolbar = (RelativeLayout) findViewById(R.id.toolbar_big);
mActionEncryptFile = (ImageButton) findViewById(R.id.view_key_action_encrypt_files);
mActionEncryptText = (ImageButton) findViewById(R.id.view_key_action_encrypt_text);
mActionNfc = (ImageButton) findViewById(R.id.view_key_action_nfc);
mFab = (FloatingActionButton) findViewById(R.id.fab);
mPhoto = (ImageView) findViewById(R.id.view_key_photo);
mQrCode = (ImageView) findViewById(R.id.view_key_qr_code);
mQrCodeLayout = (CardView) findViewById(R.id.view_key_qr_code_layout);
mRotateSpin = AnimationUtils.loadAnimation(this, R.anim.rotate_spin);
mRotateSpin.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
mRefreshItem.getActionView().clearAnimation();
mRefreshItem.setActionView(null);
mRefreshItem.setEnabled(true);
// this is a deferred call
supportInvalidateOptionsMenu();
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
mRotate = AnimationUtils.loadAnimation(this, R.anim.rotate);
mRotate.setRepeatCount(Animation.INFINITE);
mRotate.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
}
@Override
public void onAnimationRepeat(Animation animation) {
if (!mIsRefreshing) {
mRefreshItem.getActionView().clearAnimation();
mRefreshItem.getActionView().startAnimation(mRotateSpin);
}
}
});
mRefresh = getLayoutInflater().inflate(R.layout.indeterminate_progress, null);
mDataUri = getIntent().getData();
if (mDataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be uri of key!");
finish();
return;
}
if (mDataUri.getHost().equals(ContactsContract.AUTHORITY)) {
mDataUri = ContactHelper.dataUriFromContactUri(this, mDataUri);
if (mDataUri == null) {
Log.e(Constants.TAG, "Contact Data missing. Should be uri of key!");
Toast.makeText(this, R.string.error_contacts_key_id_missing, Toast.LENGTH_LONG).show();
finish();
return;
}
}
Log.i(Constants.TAG, "mDataUri: " + mDataUri);
mActionEncryptFile.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
encrypt(mDataUri, false);
}
});
mActionEncryptText.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
encrypt(mDataUri, true);
}
});
mFab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mIsSecret) {
startSafeSlinger(mDataUri);
} else {
scanQrCode();
}
}
});
mQrCodeLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showQrCodeDialog();
}
});
mActionNfc.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mNfcHelper.invokeNfcBeam();
}
});
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getSupportLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
mNfcHelper = new NfcHelper(this, mProviderHelper);
mNfcHelper.initNfc(mDataUri);
if (savedInstanceState == null && getIntent().hasExtra(EXTRA_DISPLAY_RESULT)) {
OperationResult result = getIntent().getParcelableExtra(EXTRA_DISPLAY_RESULT);
result.createNotify(this).show();
}
// Fragments are stored, no need to recreate those
if (savedInstanceState != null) {
return;
}
FragmentManager manager = getSupportFragmentManager();
// Create an instance of the fragment
final ViewKeyFragment frag = ViewKeyFragment.newInstance(mDataUri);
manager.beginTransaction()
.replace(R.id.view_key_fragment, frag)
.commit();
// need to postpone loading of the yubikey fragment until after mMasterKeyId
// is available, but we mark here that this should be done
mShowYubikeyAfterCreation = true;
}
@Override
protected void initLayout() {
setContentView(R.layout.view_key_activity);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.key_view, menu);
mRefreshItem = menu.findItem(R.id.menu_key_view_refresh);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home: {
Intent homeIntent = new Intent(this, MainActivity.class);
homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(homeIntent);
return true;
}
case R.id.menu_key_view_export_file: {
try {
if (PassphraseCacheService.getCachedPassphrase(this, mMasterKeyId, mMasterKeyId) != null) {
exportToFile(mDataUri, mExportHelper, mProviderHelper);
return true;
}
startPassphraseActivity(REQUEST_EXPORT);
} catch (PassphraseCacheService.KeyNotFoundException e) {
// This happens when the master key is stripped
exportToFile(mDataUri, mExportHelper, mProviderHelper);
}
return true;
}
case R.id.menu_key_view_delete: {
try {
if (PassphraseCacheService.getCachedPassphrase(this, mMasterKeyId, mMasterKeyId) != null) {
deleteKey();
return true;
}
startPassphraseActivity(REQUEST_DELETE);
} catch (PassphraseCacheService.KeyNotFoundException e) {
// This happens when the master key is stripped
deleteKey();
}
return true;
}
case R.id.menu_key_view_advanced: {
Intent advancedIntent = new Intent(this, ViewKeyAdvActivity.class);
advancedIntent.setData(mDataUri);
startActivity(advancedIntent);
return true;
}
case R.id.menu_key_view_refresh: {
try {
updateFromKeyserver(mDataUri, mProviderHelper);
} catch (ProviderHelper.NotFoundException e) {
Notify.create(this, R.string.error_key_not_found, Notify.Style.ERROR).show();
}
return true;
}
case R.id.menu_key_view_edit: {
editKey(mDataUri);
return true;
}
case R.id.menu_key_view_certify_fingerprint: {
certifyFingeprint(mDataUri);
return true;
}
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
MenuItem editKey = menu.findItem(R.id.menu_key_view_edit);
editKey.setVisible(mIsSecret);
MenuItem certifyFingerprint = menu.findItem(R.id.menu_key_view_certify_fingerprint);
certifyFingerprint.setVisible(!mIsSecret && !mIsVerified && !mIsExpired && !mIsRevoked);
return true;
}
private void scanQrCode() {
Intent scanQrCode = new Intent(this, ImportKeysProxyActivity.class);
scanQrCode.setAction(ImportKeysProxyActivity.ACTION_SCAN_WITH_RESULT);
startActivityForResult(scanQrCode, REQUEST_QR_FINGERPRINT);
}
private void certifyFingeprint(Uri dataUri) {
Intent intent = new Intent(this, CertifyFingerprintActivity.class);
intent.setData(dataUri);
startCertifyIntent(intent);
}
private void certifyImmediate() {
Intent intent = new Intent(this, CertifyKeyActivity.class);
intent.putExtra(CertifyKeyActivity.EXTRA_KEY_IDS, new long[] {mMasterKeyId});
startCertifyIntent(intent);
}
private void startCertifyIntent(Intent intent) {
// Message is received after signing is done in KeychainService
ServiceProgressHandler saveHandler = new ServiceProgressHandler(this) {
@Override
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
Bundle data = message.getData();
CertifyResult result = data.getParcelable(CertifyResult.EXTRA_RESULT);
result.createNotify(ViewKeyActivity.this).show();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainService.EXTRA_MESSENGER, messenger);
startActivityForResult(intent, 0);
}
private void showQrCodeDialog() {
Intent qrCodeIntent = new Intent(this, QrCodeViewActivity.class);
// create the transition animation - the images in the layouts
// of both activities are defined with android:transitionName="qr_code"
Bundle opts = null;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
ActivityOptions options = ActivityOptions
.makeSceneTransitionAnimation(this, mQrCodeLayout, "qr_code");
opts = options.toBundle();
}
qrCodeIntent.setData(mDataUri);
ActivityCompat.startActivity(this, qrCodeIntent, opts);
}
private void startPassphraseActivity(int requestCode) {
Intent intent = new Intent(this, PassphraseDialogActivity.class);
intent.putExtra(PassphraseDialogActivity.EXTRA_SUBKEY_ID, mMasterKeyId);
startActivityForResult(intent, requestCode);
}
private void exportToFile(Uri dataUri, ExportHelper exportHelper, ProviderHelper providerHelper) {
try {
Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(dataUri);
HashMap<String, Object> data = providerHelper.getGenericData(
baseUri,
new String[] {KeychainContract.Keys.MASTER_KEY_ID, KeychainContract.KeyRings.HAS_SECRET},
new int[] {ProviderHelper.FIELD_TYPE_INTEGER, ProviderHelper.FIELD_TYPE_INTEGER});
exportHelper.showExportKeysDialog(
new long[] {(Long) data.get(KeychainContract.KeyRings.MASTER_KEY_ID)},
Constants.Path.APP_DIR_FILE, ((Long) data.get(KeychainContract.KeyRings.HAS_SECRET) != 0)
);
} catch (ProviderHelper.NotFoundException e) {
Notify.create(this, R.string.error_key_not_found, Notify.Style.ERROR).show();
Log.e(Constants.TAG, "Key not found", e);
}
}
private void deleteKey() {
// Message is received after key is deleted
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
setResult(RESULT_CANCELED);
finish();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
new long[] {mMasterKeyId});
deleteKeyDialog.show(getSupportFragmentManager(), "deleteKeyDialog");
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_QR_FINGERPRINT && resultCode == Activity.RESULT_OK) {
// If there is an EXTRA_RESULT, that's an error. Just show it.
if (data.hasExtra(OperationResult.EXTRA_RESULT)) {
OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
result.createNotify(this).show();
return;
}
String fp = data.getStringExtra(ImportKeysProxyActivity.EXTRA_FINGERPRINT);
if (fp == null) {
Notify.create(this, "Error scanning fingerprint!",
Notify.LENGTH_LONG, Notify.Style.ERROR).show();
return;
}
if (mFingerprint.equalsIgnoreCase(fp)) {
certifyImmediate();
} else {
Notify.create(this, "Fingerprints did not match!",
Notify.LENGTH_LONG, Notify.Style.ERROR).show();
}
return;
}
if (requestCode == REQUEST_DELETE && resultCode == Activity.RESULT_OK) {
deleteKey();
}
if (requestCode == REQUEST_EXPORT && resultCode == Activity.RESULT_OK) {
exportToFile(mDataUri, mExportHelper, mProviderHelper);
}
if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) {
OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
result.createNotify(this).show();
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
@Override
protected void onNfcPerform() throws IOException {
final byte[] nfcFingerprints = nfcGetFingerprints();
final String nfcUserId = nfcGetUserId();
final byte[] nfcAid = nfcGetAid();
long yubiKeyId = KeyFormattingUtils.getKeyIdFromFingerprint(nfcFingerprints);
try {
// if the yubikey matches a subkey in any key
CachedPublicKeyRing ring = mProviderHelper.getCachedPublicKeyRing(
KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(yubiKeyId));
byte[] candidateFp = ring.getFingerprint();
// if the master key of that key matches this one, just show the yubikey dialog
if (KeyFormattingUtils.convertFingerprintToHex(candidateFp).equals(mFingerprint)) {
showYubiKeyFragment(nfcFingerprints, nfcUserId, nfcAid);
return;
}
// otherwise, offer to go to that key
final long masterKeyId = KeyFormattingUtils.getKeyIdFromFingerprint(candidateFp);
Notify.create(this, R.string.snack_yubi_other, Notify.LENGTH_LONG,
Style.WARN, new ActionListener() {
@Override
public void onAction() {
Intent intent = new Intent(
ViewKeyActivity.this, ViewKeyActivity.class);
intent.setData(KeyRings.buildGenericKeyRingUri(masterKeyId));
intent.putExtra(ViewKeyActivity.EXTRA_NFC_AID, nfcAid);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_USER_ID, nfcUserId);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_FINGERPRINTS, nfcFingerprints);
startActivity(intent);
finish();
}
}, R.string.snack_yubikey_view).show();
// and if it's not found, offer import
} catch (PgpKeyNotFoundException e) {
Notify.create(this, R.string.snack_yubi_other, Notify.LENGTH_LONG,
Style.WARN, new ActionListener() {
@Override
public void onAction() {
Intent intent = new Intent(
ViewKeyActivity.this, CreateKeyActivity.class);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_AID, nfcAid);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_USER_ID, nfcUserId);
intent.putExtra(ViewKeyActivity.EXTRA_NFC_FINGERPRINTS, nfcFingerprints);
startActivity(intent);
finish();
}
}, R.string.snack_yubikey_import).show();
}
}
public void showYubiKeyFragment(
final byte[] nfcFingerprints, final String nfcUserId, final byte[] nfcAid) {
new Handler().post(new Runnable() {
@Override
public void run() {
ViewKeyYubiKeyFragment frag = ViewKeyYubiKeyFragment.newInstance(
mMasterKeyId, nfcFingerprints, nfcUserId, nfcAid);
FragmentManager manager = getSupportFragmentManager();
manager.popBackStack("yubikey", FragmentManager.POP_BACK_STACK_INCLUSIVE);
manager.beginTransaction()
.addToBackStack("yubikey")
.replace(R.id.view_key_fragment, frag)
// if this is called while the activity wasn't resumed, just forget it happened
.commitAllowingStateLoss();
}
});
}
private void encrypt(Uri dataUri, boolean text) {
// If there is no encryption key, don't bother.
if (!mHasEncrypt) {
Notify.create(this, R.string.error_no_encrypt_subkey, Notify.Style.ERROR).show();
return;
}
try {
long keyId = new ProviderHelper(this)
.getCachedPublicKeyRing(dataUri)
.extractOrGetMasterKeyId();
long[] encryptionKeyIds = new long[] {keyId};
Intent intent;
if (text) {
intent = new Intent(this, EncryptTextActivity.class);
intent.setAction(EncryptTextActivity.ACTION_ENCRYPT_TEXT);
intent.putExtra(EncryptTextActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds);
} else {
intent = new Intent(this, EncryptFilesActivity.class);
intent.setAction(EncryptFilesActivity.ACTION_ENCRYPT_DATA);
intent.putExtra(EncryptFilesActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds);
}
// used instead of startActivity set actionbar based on callingPackage
startActivityForResult(intent, 0);
} catch (PgpKeyNotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
private void updateFromKeyserver(Uri dataUri, ProviderHelper providerHelper)
throws ProviderHelper.NotFoundException {
mIsRefreshing = true;
mRefreshItem.setEnabled(false);
mRefreshItem.setActionView(mRefresh);
mRefresh.startAnimation(mRotate);
byte[] blob = (byte[]) providerHelper.getGenericData(
KeychainContract.KeyRings.buildUnifiedKeyRingUri(dataUri),
KeychainContract.Keys.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB);
String fingerprint = KeyFormattingUtils.convertFingerprintToHex(blob);
ParcelableKeyRing keyEntry = new ParcelableKeyRing(fingerprint, null, null);
ArrayList<ParcelableKeyRing> entries = new ArrayList<>();
entries.add(keyEntry);
// Message is received after importing is done in KeychainService
ServiceProgressHandler serviceHandler = new ServiceProgressHandler(this) {
@Override
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
// get returned data bundle
Bundle returnData = message.getData();
mIsRefreshing = false;
if (returnData == null) {
finish();
return;
}
final ImportKeyResult result =
returnData.getParcelable(OperationResult.EXTRA_RESULT);
result.createNotify(ViewKeyActivity.this).show();
}
}
};
// fill values for this action
Bundle data = new Bundle();
// search config
{
Preferences prefs = Preferences.getPreferences(this);
Preferences.CloudSearchPrefs cloudPrefs =
new Preferences.CloudSearchPrefs(true, true, prefs.getPreferredKeyserver());
data.putString(KeychainService.IMPORT_KEY_SERVER, cloudPrefs.keyserver);
}
data.putParcelableArrayList(KeychainService.IMPORT_KEY_LIST, entries);
// Send all information needed to service to query keys in other thread
Intent intent = new Intent(this, KeychainService.class);
intent.setAction(KeychainService.ACTION_IMPORT_KEYRING);
intent.putExtra(KeychainService.EXTRA_DATA, data);
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(serviceHandler);
intent.putExtra(KeychainService.EXTRA_MESSENGER, messenger);
// start service with intent
startService(intent);
}
private void editKey(Uri dataUri) {
Intent editIntent = new Intent(this, EditKeyActivity.class);
editIntent.setData(KeychainContract.KeyRingData.buildSecretKeyRingUri(dataUri));
startActivityForResult(editIntent, 0);
}
private void startSafeSlinger(Uri dataUri) {
long keyId = 0;
try {
keyId = new ProviderHelper(this)
.getCachedPublicKeyRing(dataUri)
.extractOrGetMasterKeyId();
} catch (PgpKeyNotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
Intent safeSlingerIntent = new Intent(this, SafeSlingerActivity.class);
safeSlingerIntent.putExtra(SafeSlingerActivity.EXTRA_MASTER_KEY_ID, keyId);
startActivityForResult(safeSlingerIntent, 0);
}
/**
* Load QR Code asynchronously and with a fade in animation
*/
private void loadQrCode(final String fingerprint) {
AsyncTask<Void, Void, Bitmap> loadTask =
new AsyncTask<Void, Void, Bitmap>() {
protected Bitmap doInBackground(Void... unused) {
Uri uri = new Uri.Builder()
.scheme(Constants.FINGERPRINT_SCHEME)
.opaquePart(fingerprint)
.build();
// render with minimal size
return QrCodeUtils.getQRCodeBitmap(uri, 0);
}
protected void onPostExecute(Bitmap qrCode) {
mQrCodeLoaded = fingerprint;
// scale the image up to our actual size. we do this in code rather
// than let the ImageView do this because we don't require filtering.
Bitmap scaled = Bitmap.createScaledBitmap(qrCode,
mQrCode.getHeight(), mQrCode.getHeight(),
false);
mQrCode.setImageBitmap(scaled);
// simple fade-in animation
AlphaAnimation anim = new AlphaAnimation(0.0f, 1.0f);
anim.setDuration(200);
mQrCode.startAnimation(anim);
}
};
loadTask.execute();
}
// These are the rows that we will retrieve.
static final String[] PROJECTION = new String[] {
KeychainContract.KeyRings._ID,
KeychainContract.KeyRings.MASTER_KEY_ID,
KeychainContract.KeyRings.USER_ID,
KeychainContract.KeyRings.IS_REVOKED,
KeychainContract.KeyRings.IS_EXPIRED,
KeychainContract.KeyRings.VERIFIED,
KeychainContract.KeyRings.HAS_ANY_SECRET,
KeychainContract.KeyRings.FINGERPRINT,
KeychainContract.KeyRings.HAS_ENCRYPT
};
static final int INDEX_MASTER_KEY_ID = 1;
static final int INDEX_USER_ID = 2;
static final int INDEX_IS_REVOKED = 3;
static final int INDEX_IS_EXPIRED = 4;
static final int INDEX_VERIFIED = 5;
static final int INDEX_HAS_ANY_SECRET = 6;
static final int INDEX_FINGERPRINT = 7;
static final int INDEX_HAS_ENCRYPT = 8;
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
switch (id) {
case LOADER_ID_UNIFIED: {
Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
return new CursorLoader(this, baseUri, PROJECTION, null, null, null);
}
default:
return null;
}
}
int mPreviousColor = 0;
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
/* TODO better error handling? May cause problems when a key is deleted,
* because the notification triggers faster than the activity closes.
*/
// Avoid NullPointerExceptions...
if (data.getCount() == 0) {
return;
}
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_UNIFIED: {
if (data.moveToFirst()) {
// get name, email, and comment from USER_ID
KeyRing.UserId mainUserId = KeyRing.splitUserId(data.getString(INDEX_USER_ID));
if (mainUserId.name != null) {
mName.setText(mainUserId.name);
} else {
mName.setText(R.string.user_id_no_name);
}
mMasterKeyId = data.getLong(INDEX_MASTER_KEY_ID);
mFingerprint = KeyFormattingUtils.convertFingerprintToHex(data.getBlob(INDEX_FINGERPRINT));
// if it wasn't shown yet, display yubikey fragment
if (mShowYubikeyAfterCreation && getIntent().hasExtra(EXTRA_NFC_AID)) {
mShowYubikeyAfterCreation = false;
Intent intent = getIntent();
byte[] nfcFingerprints = intent.getByteArrayExtra(EXTRA_NFC_FINGERPRINTS);
String nfcUserId = intent.getStringExtra(EXTRA_NFC_USER_ID);
byte[] nfcAid = intent.getByteArrayExtra(EXTRA_NFC_AID);
showYubiKeyFragment(nfcFingerprints, nfcUserId, nfcAid);
}
mIsSecret = data.getInt(INDEX_HAS_ANY_SECRET) != 0;
mHasEncrypt = data.getInt(INDEX_HAS_ENCRYPT) != 0;
mIsRevoked = data.getInt(INDEX_IS_REVOKED) > 0;
mIsExpired = data.getInt(INDEX_IS_EXPIRED) != 0;
mIsVerified = data.getInt(INDEX_VERIFIED) > 0;
// if the refresh animation isn't playing
if (!mRotate.hasStarted() && !mRotateSpin.hasStarted()) {
// re-create options menu based on mIsSecret, mIsVerified
supportInvalidateOptionsMenu();
// this is done at the end of the animation otherwise
}
AsyncTask<Long, Void, Bitmap> photoTask =
new AsyncTask<Long, Void, Bitmap>() {
protected Bitmap doInBackground(Long... mMasterKeyId) {
return ContactHelper.loadPhotoByMasterKeyId(getContentResolver(), mMasterKeyId[0], true);
}
protected void onPostExecute(Bitmap photo) {
mPhoto.setImageBitmap(photo);
mPhoto.setVisibility(View.VISIBLE);
}
};
// Note: order is important
int color;
if (mIsRevoked) {
mStatusText.setText(R.string.view_key_revoked);
mStatusImage.setVisibility(View.VISIBLE);
KeyFormattingUtils.setStatusImage(this, mStatusImage, mStatusText,
State.REVOKED, R.color.icons, true);
color = getResources().getColor(R.color.android_red_light);
mActionEncryptFile.setVisibility(View.GONE);
mActionEncryptText.setVisibility(View.GONE);
mActionNfc.setVisibility(View.GONE);
mFab.setVisibility(View.GONE);
mQrCodeLayout.setVisibility(View.GONE);
} else if (mIsExpired) {
if (mIsSecret) {
mStatusText.setText(R.string.view_key_expired_secret);
} else {
mStatusText.setText(R.string.view_key_expired);
}
mStatusImage.setVisibility(View.VISIBLE);
KeyFormattingUtils.setStatusImage(this, mStatusImage, mStatusText,
State.EXPIRED, R.color.icons, true);
color = getResources().getColor(R.color.android_red_light);
mActionEncryptFile.setVisibility(View.GONE);
mActionEncryptText.setVisibility(View.GONE);
mActionNfc.setVisibility(View.GONE);
mFab.setVisibility(View.GONE);
mQrCodeLayout.setVisibility(View.GONE);
} else if (mIsSecret) {
mStatusText.setText(R.string.view_key_my_key);
mStatusImage.setVisibility(View.GONE);
color = getResources().getColor(R.color.primary);
// reload qr code only if the fingerprint changed
if (!mFingerprint.equals(mQrCodeLoaded)) {
loadQrCode(mFingerprint);
}
photoTask.execute(mMasterKeyId);
mQrCodeLayout.setVisibility(View.VISIBLE);
// and place leftOf qr code
RelativeLayout.LayoutParams nameParams = (RelativeLayout.LayoutParams)
mName.getLayoutParams();
// remove right margin
nameParams.setMargins(FormattingUtils.dpToPx(this, 48), 0, 0, 0);
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
nameParams.setMarginEnd(0);
}
nameParams.addRule(RelativeLayout.LEFT_OF, R.id.view_key_qr_code_layout);
mName.setLayoutParams(nameParams);
RelativeLayout.LayoutParams statusParams = (RelativeLayout.LayoutParams)
mStatusText.getLayoutParams();
statusParams.setMargins(FormattingUtils.dpToPx(this, 48), 0, 0, 0);
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
statusParams.setMarginEnd(0);
}
statusParams.addRule(RelativeLayout.LEFT_OF, R.id.view_key_qr_code_layout);
mStatusText.setLayoutParams(statusParams);
mActionEncryptFile.setVisibility(View.VISIBLE);
mActionEncryptText.setVisibility(View.VISIBLE);
// invokeBeam is available from API 21
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
mActionNfc.setVisibility(View.VISIBLE);
} else {
mActionNfc.setVisibility(View.GONE);
}
mFab.setVisibility(View.VISIBLE);
mFab.setIconDrawable(getResources().getDrawable(R.drawable.ic_repeat_white_24dp));
} else {
mActionEncryptFile.setVisibility(View.VISIBLE);
mActionEncryptText.setVisibility(View.VISIBLE);
mQrCodeLayout.setVisibility(View.GONE);
mActionNfc.setVisibility(View.GONE);
if (mIsVerified) {
mStatusText.setText(R.string.view_key_verified);
mStatusImage.setVisibility(View.VISIBLE);
KeyFormattingUtils.setStatusImage(this, mStatusImage, mStatusText,
State.VERIFIED, R.color.icons, true);
color = getResources().getColor(R.color.primary);
photoTask.execute(mMasterKeyId);
mFab.setVisibility(View.GONE);
} else {
mStatusText.setText(R.string.view_key_unverified);
mStatusImage.setVisibility(View.VISIBLE);
KeyFormattingUtils.setStatusImage(this, mStatusImage, mStatusText,
State.UNVERIFIED, R.color.icons, true);
color = getResources().getColor(R.color.android_orange_light);
mFab.setVisibility(View.VISIBLE);
}
}
if (mPreviousColor == 0 || mPreviousColor == color) {
mStatusBar.setBackgroundColor(color);
mBigToolbar.setBackgroundColor(color);
mPreviousColor = color;
} else {
ObjectAnimator colorFade1 =
ObjectAnimator.ofObject(mStatusBar, "backgroundColor",
new ArgbEvaluator(), mPreviousColor, color);
ObjectAnimator colorFade2 =
ObjectAnimator.ofObject(mBigToolbar, "backgroundColor",
new ArgbEvaluator(), mPreviousColor, color);
colorFade1.setDuration(1200);
colorFade2.setDuration(1200);
colorFade1.start();
colorFade2.start();
mPreviousColor = color;
}
//noinspection deprecation
mStatusImage.setAlpha(80);
break;
}
}
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
}