Java tutorial
/* * Copyright (C) 2017 Vincent Breitmoser <look@my.amazin.horse> * * 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.token; import java.util.List; import android.Manifest; import android.annotation.TargetApi; import android.app.Activity; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager; import android.net.Uri; import android.os.Build.VERSION_CODES; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.annotation.StringRes; import android.support.v4.app.Fragment; import android.support.v7.app.AlertDialog; import android.support.v7.app.AlertDialog.Builder; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.TextView; import org.sufficientlysecure.keychain.R; import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing; import org.sufficientlysecure.keychain.operations.results.ImportKeyResult; import org.sufficientlysecure.keychain.operations.results.OperationResult; import org.sufficientlysecure.keychain.operations.results.PromoteKeyResult; import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings; import org.sufficientlysecure.keychain.securitytoken.SecurityTokenInfo; import org.sufficientlysecure.keychain.service.ImportKeyringParcel; import org.sufficientlysecure.keychain.service.PromoteKeyringParcel; import org.sufficientlysecure.keychain.service.input.CryptoInputParcel; import org.sufficientlysecure.keychain.service.input.RequiredInputParcel; import org.sufficientlysecure.keychain.service.input.SecurityTokenChangePinParcel; import org.sufficientlysecure.keychain.ui.CreateKeyActivity; import org.sufficientlysecure.keychain.ui.LogDisplayActivity; import org.sufficientlysecure.keychain.ui.LogDisplayFragment; import org.sufficientlysecure.keychain.ui.SecurityTokenOperationActivity; import org.sufficientlysecure.keychain.ui.SecurityTokenChangePinOperationActivity; import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper; import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper.AbstractCallback; import org.sufficientlysecure.keychain.ui.keyview.ViewKeyActivity; import org.sufficientlysecure.keychain.ui.token.ManageSecurityTokenContract.ManageSecurityTokenMvpPresenter; import org.sufficientlysecure.keychain.ui.token.ManageSecurityTokenContract.ManageSecurityTokenMvpView; import org.sufficientlysecure.keychain.ui.util.Notify; import org.sufficientlysecure.keychain.ui.util.Notify.Style; import org.sufficientlysecure.keychain.ui.util.ThemeChanger; import org.sufficientlysecure.keychain.ui.widget.StatusIndicator; import org.sufficientlysecure.keychain.ui.widget.StatusIndicator.Status; import org.sufficientlysecure.keychain.ui.widget.ToolableViewAnimator; import org.sufficientlysecure.keychain.util.FileHelper; public class ManageSecurityTokenFragment extends Fragment implements ManageSecurityTokenMvpView, OnClickListener { private static final String ARG_TOKEN_INFO = "token_info"; public static final int REQUEST_CODE_OPEN_FILE = 0; public static final int REQUEST_CODE_RESET = 1; public static final int REQUEST_CODE_CHANGE_PIN = 2; public static final int PERMISSION_READ_STORAGE = 0; ManageSecurityTokenMvpPresenter presenter; private ViewGroup statusLayoutGroup; private ToolableViewAnimator actionAnimator; private TextView unlockSubtitle; ImportKeyringParcel currentImportKeyringParcel; PromoteKeyringParcel currentPromoteKeyringParcel; private LayoutInflater layoutInflater; private StatusIndicator latestStatusIndicator; public static Fragment newInstance(SecurityTokenInfo tokenInfo) { ManageSecurityTokenFragment frag = new ManageSecurityTokenFragment(); Bundle args = new Bundle(); args.putParcelable(ARG_TOKEN_INFO, tokenInfo); frag.setArguments(args); return frag; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Bundle args = getArguments(); SecurityTokenInfo tokenInfo = args.getParcelable(ARG_TOKEN_INFO); presenter = new ManageSecurityTokenPresenter(getContext(), getLoaderManager(), tokenInfo); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { this.layoutInflater = inflater; View view = inflater.inflate(R.layout.create_security_token_import_fragment, container, false); statusLayoutGroup = (ViewGroup) view.findViewById(R.id.status_indicator_layout); actionAnimator = (ToolableViewAnimator) view.findViewById(R.id.action_animator); unlockSubtitle = (TextView) view.findViewById(R.id.button_unlock_subtitle); view.findViewById(R.id.button_import).setOnClickListener(this); view.findViewById(R.id.button_view_key).setOnClickListener(this); view.findViewById(R.id.button_retry).setOnClickListener(this); view.findViewById(R.id.button_reset_token_1).setOnClickListener(this); view.findViewById(R.id.button_reset_token_2).setOnClickListener(this); view.findViewById(R.id.button_reset_token_3).setOnClickListener(this); view.findViewById(R.id.button_reset_token_4).setOnClickListener(this); view.findViewById(R.id.button_reset_token_5).setOnClickListener(this); view.findViewById(R.id.button_unlock).setOnClickListener(this); view.findViewById(R.id.button_unlock_impossible).setOnClickListener(this); view.findViewById(R.id.button_load_file).setOnClickListener(this); view.findViewById(R.id.button_setup).setOnClickListener(this); setHasOptionsMenu(true); presenter.setView(this); return view; } @Override public void onDestroyView() { super.onDestroyView(); presenter.detach(); currentImportKeyringParcel = null; currentPromoteKeyringParcel = null; } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.token_setup, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.view_log: { presenter.onMenuClickViewLog(); return true; } case R.id.change_pin: { presenter.onMenuClickChangePin(); return true; } default: { return super.onOptionsItemSelected(item); } } } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); presenter.onActivityCreated(); } @Override public void finishAndShowKey(long masterKeyId) { Activity activity = getActivity(); Intent viewKeyIntent = new Intent(activity, ViewKeyActivity.class); // use the imported masterKeyId, not the one from the token, because // that one might* just have been a subkey of the imported key viewKeyIntent.setData(KeyRings.buildGenericKeyRingUri(masterKeyId)); if (activity instanceof CreateKeyActivity) { ((CreateKeyActivity) activity).finishWithFirstTimeHandling(viewKeyIntent); } else { activity.startActivity(viewKeyIntent); activity.finish(); } } @Override public void statusLineAdd(StatusLine statusLine) { if (latestStatusIndicator != null) { throw new IllegalStateException("Cannot set next status line before completing previous!"); } View line = layoutInflater.inflate(R.layout.status_indicator_line, statusLayoutGroup, false); latestStatusIndicator = (StatusIndicator) line.findViewById(R.id.status_indicator); latestStatusIndicator.setDisplayedChild(Status.PROGRESS); TextView latestStatusText = (TextView) line.findViewById(R.id.status_text); latestStatusText.setText(statusLine.stringRes); statusLayoutGroup.addView(line); } @Override public void statusLineOk() { latestStatusIndicator.setDisplayedChild(Status.OK); latestStatusIndicator = null; } @Override public void statusLineError() { latestStatusIndicator.setDisplayedChild(Status.ERROR); latestStatusIndicator = null; } @Override public void resetStatusLines() { latestStatusIndicator = null; statusLayoutGroup.removeAllViews(); } @Override public void showActionImport() { actionAnimator.setDisplayedChildId(R.id.token_layout_import); } @Override public void showActionViewKey() { actionAnimator.setDisplayedChildId(R.id.token_layout_ok); } @Override public void showActionRetryOrFromFile() { actionAnimator.setDisplayedChildId(R.id.token_layout_not_found); } @Override public void showActionLocked(int attemptsLeft) { if (attemptsLeft > 0) { actionAnimator.setDisplayedChildId(R.id.token_layout_locked); String unlockAttemptsText = getResources().getQuantityString(R.plurals.token_unlock_attempts, attemptsLeft, attemptsLeft); unlockSubtitle.setText(unlockAttemptsText); } else { actionAnimator.setDisplayedChildId(R.id.token_layout_locked_hard); } } @Override public void showActionEmptyToken() { actionAnimator.setDisplayedChildId(R.id.token_layout_empty); } @Override public void showActionUnsupportedToken() { actionAnimator.setDisplayedChildId(R.id.token_layout_unsupported); } @Override public void hideAction() { actionAnimator.setDisplayedChild(0); } @Override public void operationImportKey(byte[] importKeyData) { if (currentImportKeyringParcel != null) { throw new IllegalStateException("Cannot trigger import operation twice!"); } currentImportKeyringParcel = ImportKeyringParcel .createImportKeyringParcel(ParcelableKeyRing.createFromEncodedBytes(importKeyData)); cryptoImportOperationHelper.setOperationMinimumDelay(1000L); cryptoImportOperationHelper.cryptoOperation(); } @Override public void operationPromote(long masterKeyId, byte[] cardAid, List<byte[]> fingerprints) { if (currentImportKeyringParcel != null) { throw new IllegalStateException("Cannot trigger import operation twice!"); } currentPromoteKeyringParcel = PromoteKeyringParcel.createPromoteKeyringParcel(masterKeyId, cardAid, fingerprints); cryptoPromoteOperationHelper.setOperationMinimumDelay(1000L); cryptoPromoteOperationHelper.cryptoOperation(); } @Override public void operationResetSecurityToken() { Intent intent = new Intent(getActivity(), SecurityTokenOperationActivity.class); RequiredInputParcel resetP = RequiredInputParcel.createSecurityTokenReset(); intent.putExtra(SecurityTokenOperationActivity.EXTRA_REQUIRED_INPUT, resetP); intent.putExtra(SecurityTokenOperationActivity.EXTRA_CRYPTO_INPUT, CryptoInputParcel.createCryptoInputParcel()); startActivityForResult(intent, REQUEST_CODE_RESET); } @Override public void operationChangePinSecurityToken(String adminPin, String newPin) { Intent intent = new Intent(getActivity(), SecurityTokenChangePinOperationActivity.class); SecurityTokenChangePinParcel changePinParcel = SecurityTokenChangePinParcel .createSecurityTokenUnlock(adminPin, newPin); intent.putExtra(SecurityTokenChangePinOperationActivity.EXTRA_CHANGE_PIN_PARCEL, changePinParcel); startActivityForResult(intent, REQUEST_CODE_CHANGE_PIN); } @Override public void showFileSelectDialog() { FileHelper.openDocument(this, null, "*/*", false, REQUEST_CODE_OPEN_FILE); } @Override public void showConfirmResetDialog() { new Builder(ThemeChanger.getDialogThemeWrapper(getContext())).setTitle(R.string.token_reset_confirm_title) .setMessage(R.string.token_reset_confirm_message).setNegativeButton(R.string.button_cancel, null) .setPositiveButton(R.string.token_reset_confirm_ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { presenter.onClickConfirmReset(); } }).show(); } @Override public void showAdminPinDialog() { AlertDialog adminPinDialog = ChangePinDialogHelper.createAdminPinDialog(getContext(), presenter); adminPinDialog.show(); } @Override public void startCreateKeyForToken(SecurityTokenInfo tokenInfo) { CreateKeyActivity activity = (CreateKeyActivity) getActivity(); activity.startCreateKeyForSecurityToken(tokenInfo); } @Override public void showErrorCannotUnlock() { Notify.create(getActivity(), R.string.token_error_locked_indefinitely, Style.ERROR).show(); } @Override public void showErrorCannotReset(boolean isGnukOrNitrokeyStart) { if (isGnukOrNitrokeyStart) { Notify.create(getActivity(), R.string.token_error_cannot_reset_gnuk_old, Style.ERROR).show(); } else { Notify.create(getActivity(), R.string.token_error_cannot_reset, Style.ERROR).show(); } } @Override public void showDisplayLogActivity(OperationResult result) { Intent intent = new Intent(getActivity(), LogDisplayActivity.class); intent.putExtra(LogDisplayFragment.EXTRA_RESULT, result); startActivity(intent); } @TargetApi(VERSION_CODES.JELLY_BEAN) @Override public void requestStoragePermission() { requestPermissions(new String[] { Manifest.permission.READ_EXTERNAL_STORAGE }, PERMISSION_READ_STORAGE); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { if (requestCode != PERMISSION_READ_STORAGE) { return; } boolean permissionWasGranted = grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED; if (permissionWasGranted) { presenter.onStoragePermissionGranted(); } else { presenter.onStoragePermissionDenied(); } } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { switch (requestCode) { case REQUEST_CODE_OPEN_FILE: { if (resultCode == Activity.RESULT_OK && data != null && data.getData() != null) { Uri fileUri = data.getData(); presenter.onFileSelected(fileUri); } break; } case REQUEST_CODE_RESET: { SecurityTokenInfo tokenInfo = data == null ? null : data.<SecurityTokenInfo>getParcelableExtra(SecurityTokenOperationActivity.RESULT_TOKEN_INFO); if (resultCode == Activity.RESULT_OK) { presenter.onSecurityTokenResetSuccess(tokenInfo); } else { presenter.onSecurityTokenResetCanceled(tokenInfo); } break; } case REQUEST_CODE_CHANGE_PIN: { SecurityTokenInfo tokenInfo = data == null ? null : data.<SecurityTokenInfo>getParcelableExtra(SecurityTokenOperationActivity.RESULT_TOKEN_INFO); if (resultCode == Activity.RESULT_OK) { presenter.onSecurityTokenChangePinSuccess(tokenInfo); } else { presenter.onSecurityTokenChangePinCanceled(tokenInfo); } break; } default: { super.onActivityResult(requestCode, resultCode, data); } } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.button_import: { presenter.onClickImport(); break; } case R.id.button_retry: { presenter.onClickRetry(); break; } case R.id.button_view_key: { presenter.onClickViewKey(); break; } case R.id.button_load_file: { presenter.onClickLoadFile(); break; } case R.id.button_reset_token_1: case R.id.button_reset_token_2: case R.id.button_reset_token_3: case R.id.button_reset_token_4: case R.id.button_reset_token_5: { presenter.onClickResetToken(); break; } case R.id.button_unlock: { presenter.onClickUnlockToken(); break; } case R.id.button_unlock_impossible: { presenter.onClickUnlockTokenImpossible(); break; } case R.id.button_setup: { presenter.onClickSetupToken(); break; } } } CryptoOperationHelper<ImportKeyringParcel, ImportKeyResult> cryptoImportOperationHelper = new CryptoOperationHelper<>( 0, this, new AbstractCallback<ImportKeyringParcel, ImportKeyResult>() { @Override public ImportKeyringParcel createOperationInput() { return currentImportKeyringParcel; } @Override public void onCryptoOperationSuccess(ImportKeyResult result) { if (currentImportKeyringParcel == null) { return; } currentImportKeyringParcel = null; presenter.onImportSuccess(result); } @Override public void onCryptoOperationError(ImportKeyResult result) { if (currentImportKeyringParcel == null) { return; } currentImportKeyringParcel = null; presenter.onImportError(result); } }, null); CryptoOperationHelper<PromoteKeyringParcel, PromoteKeyResult> cryptoPromoteOperationHelper = new CryptoOperationHelper<>( 1, this, new AbstractCallback<PromoteKeyringParcel, PromoteKeyResult>() { @Override public PromoteKeyringParcel createOperationInput() { return currentPromoteKeyringParcel; } @Override public void onCryptoOperationSuccess(PromoteKeyResult result) { if (currentPromoteKeyringParcel == null) { return; } currentPromoteKeyringParcel = null; presenter.onPromoteSuccess(result); } @Override public void onCryptoOperationError(PromoteKeyResult result) { if (currentPromoteKeyringParcel == null) { return; } currentPromoteKeyringParcel = null; presenter.onPromoteError(result); } }, null); enum StatusLine { CHECK_KEY(R.string.status_check_key), SEARCH_LOCAL(R.string.status_search_local), SEARCH_URI( R.string.status_search_uri), SEARCH_KEYSERVER(R.string.status_search_keyserver), IMPORT( R.string.status_import), TOKEN_PROMOTE(R.string.status_token_promote), TOKEN_CHECK( R.string.status_token_check), SEARCH_CONTENT_URI(R.string.status_content_uri); @StringRes private int stringRes; StatusLine(@StringRes int stringRes) { this.stringRes = stringRes; } } }