485 lines
19 KiB
Java
485 lines
19 KiB
Java
/*
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* Copyright (C) 2013-2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2013 Bahtiar 'kalkin' Gadimov
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import java.util.ArrayList;
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import java.util.Date;
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import org.spongycastle.openpgp.PGPPublicKey;
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import org.spongycastle.openpgp.PGPPublicKeyRing;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.Id;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
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import org.sufficientlysecure.keychain.helper.ExportHelper;
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import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.adapter.ViewKeyKeysAdapter;
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import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.ShareNfcDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.ShareQrCodeDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.CursorLoader;
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import android.support.v4.content.Loader;
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import android.text.format.DateFormat;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.ListView;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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import com.actionbarsherlock.view.Menu;
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import com.actionbarsherlock.view.MenuItem;
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import com.beardedhen.androidbootstrap.BootstrapButton;
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public class ViewKeyActivity extends SherlockFragmentActivity implements
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LoaderManager.LoaderCallbacks<Cursor> {
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ExportHelper mExportHelper;
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protected Uri mDataUri;
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private TextView mName;
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private TextView mEmail;
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private TextView mComment;
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private TextView mAlgorithm;
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private TextView mKeyId;
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private TextView mExpiry;
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private TextView mCreation;
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private TextView mFingerprint;
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private BootstrapButton mActionEncrypt;
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private ListView mUserIds;
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private ListView mKeys;
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private static final int LOADER_ID_KEYRING = 0;
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private static final int LOADER_ID_USER_IDS = 1;
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private static final int LOADER_ID_KEYS = 2;
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private ViewKeyUserIdsAdapter mUserIdsAdapter;
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private ViewKeyKeysAdapter mKeysAdapter;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mExportHelper = new ExportHelper(this);
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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getSupportActionBar().setIcon(android.R.color.transparent);
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getSupportActionBar().setHomeButtonEnabled(true);
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setContentView(R.layout.view_key_activity);
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mName = (TextView) findViewById(R.id.name);
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mEmail = (TextView) findViewById(R.id.email);
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mComment = (TextView) findViewById(R.id.comment);
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mKeyId = (TextView) findViewById(R.id.key_id);
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mAlgorithm = (TextView) findViewById(R.id.algorithm);
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mCreation = (TextView) findViewById(R.id.creation);
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mExpiry = (TextView) findViewById(R.id.expiry);
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mFingerprint = (TextView) findViewById(R.id.fingerprint);
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mActionEncrypt = (BootstrapButton) findViewById(R.id.action_encrypt);
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mUserIds = (ListView) findViewById(R.id.user_ids);
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mKeys = (ListView) findViewById(R.id.keys);
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Intent intent = getIntent();
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mDataUri = intent.getData();
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if (mDataUri == null) {
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Log.e(Constants.TAG, "Intent data missing. Should be Uri of key!");
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finish();
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return;
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} else {
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Log.d(Constants.TAG, "uri: " + mDataUri);
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loadData(mDataUri);
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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super.onCreateOptionsMenu(menu);
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getSupportMenuInflater().inflate(R.menu.key_view, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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Intent homeIntent = new Intent(this, KeyListPublicActivity.class);
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homeIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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startActivity(homeIntent);
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return true;
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case R.id.menu_key_view_update:
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updateFromKeyserver(mDataUri);
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return true;
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case R.id.menu_key_view_sign:
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signKey(mDataUri);
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return true;
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case R.id.menu_key_view_export_keyserver:
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uploadToKeyserver(mDataUri);
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return true;
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case R.id.menu_key_view_export_file:
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mExportHelper.showExportKeysDialog(mDataUri, Id.type.public_key, Constants.path.APP_DIR
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+ "/pubexport.asc");
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return true;
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case R.id.menu_key_view_share_default_fingerprint:
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shareKey(mDataUri, true);
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return true;
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case R.id.menu_key_view_share_default:
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shareKey(mDataUri, false);
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return true;
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case R.id.menu_key_view_share_qr_code_fingerprint:
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shareKeyQrCode(mDataUri, true);
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return true;
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case R.id.menu_key_view_share_qr_code:
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shareKeyQrCode(mDataUri, false);
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return true;
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case R.id.menu_key_view_share_nfc:
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shareNfc();
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return true;
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case R.id.menu_key_view_share_clipboard:
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copyToClipboard(mDataUri);
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return true;
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case R.id.menu_key_view_delete: {
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// Message is received after key is deleted
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Handler returnHandler = new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == DeleteKeyDialogFragment.MESSAGE_OKAY) {
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setResult(RESULT_CANCELED);
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finish();
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}
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}
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};
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mExportHelper.deleteKey(mDataUri, Id.type.public_key, returnHandler);
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return true;
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}
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}
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return super.onOptionsItemSelected(item);
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}
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private void loadData(Uri dataUri) {
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mActionEncrypt.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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// TODO: don't get object here!!! solve this differently!
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PGPPublicKeyRing ring = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(
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ViewKeyActivity.this, mDataUri);
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PGPPublicKey publicKey = ring.getPublicKey();
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long[] encryptionKeyIds = new long[] { publicKey.getKeyID() };
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Intent intent = new Intent(ViewKeyActivity.this, EncryptActivity.class);
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intent.setAction(EncryptActivity.ACTION_ENCRYPT);
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intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, encryptionKeyIds);
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// used instead of startActivity set actionbar based on callingPackage
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startActivityForResult(intent, 0);
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}
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});
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mUserIdsAdapter = new ViewKeyUserIdsAdapter(this, null, 0);
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mUserIds.setAdapter(mUserIdsAdapter);
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// mUserIds.setEmptyView(findViewById(android.R.id.empty));
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// mUserIds.setClickable(true);
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// mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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// @Override
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// public void onItemClick(AdapterView<?> arg0, View arg1, int position, long id) {
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// }
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// });
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mKeysAdapter = new ViewKeyKeysAdapter(this, null, 0);
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mKeys.setAdapter(mKeysAdapter);
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// Prepare the loader. Either re-connect with an existing one,
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// or start a new one.
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getSupportLoaderManager().initLoader(LOADER_ID_KEYRING, null, this);
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getSupportLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
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getSupportLoaderManager().initLoader(LOADER_ID_KEYS, null, this);
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}
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static final String[] KEYRING_PROJECTION = new String[] { KeyRings._ID, KeyRings.MASTER_KEY_ID,
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UserIds.USER_ID };
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static final int KEYRING_INDEX_ID = 0;
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static final int KEYRING_INDEX_MASTER_KEY_ID = 1;
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static final int KEYRING_INDEX_USER_ID = 2;
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static final String[] USER_IDS_PROJECTION = new String[] { UserIds._ID, UserIds.USER_ID,
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UserIds.RANK, };
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// not the main user id
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static final String USER_IDS_SELECTION = UserIds.RANK + " > 0 ";
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static final String USER_IDS_SORT_ORDER = UserIds.USER_ID + " COLLATE LOCALIZED ASC";
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static final String[] KEYS_PROJECTION = new String[] { Keys._ID, Keys.KEY_ID,
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Keys.IS_MASTER_KEY, Keys.ALGORITHM, Keys.KEY_SIZE, Keys.CAN_CERTIFY, Keys.CAN_SIGN,
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Keys.CAN_ENCRYPT, Keys.CREATION, Keys.EXPIRY };
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static final String KEYS_SORT_ORDER = Keys.RANK + " ASC";
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static final int KEYS_INDEX_ID = 0;
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static final int KEYS_INDEX_KEY_ID = 1;
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static final int KEYS_INDEX_IS_MASTER_KEY = 2;
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static final int KEYS_INDEX_ALGORITHM = 3;
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static final int KEYS_INDEX_KEY_SIZE = 4;
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static final int KEYS_INDEX_CAN_CERTIFY = 5;
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static final int KEYS_INDEX_CAN_SIGN = 6;
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static final int KEYS_INDEX_CAN_ENCRYPT = 7;
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static final int KEYS_INDEX_CREATION = 8;
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static final int KEYS_INDEX_EXPIRY = 9;
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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switch (id) {
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case LOADER_ID_KEYRING: {
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Uri baseUri = mDataUri;
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// Now create and return a CursorLoader that will take care of
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// creating a Cursor for the data being displayed.
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return new CursorLoader(this, baseUri, KEYRING_PROJECTION, null, null, null);
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}
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case LOADER_ID_USER_IDS: {
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Uri baseUri = UserIds.buildUserIdsUri(mDataUri);
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// Now create and return a CursorLoader that will take care of
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// creating a Cursor for the data being displayed.
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return new CursorLoader(this, baseUri, USER_IDS_PROJECTION, USER_IDS_SELECTION, null,
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USER_IDS_SORT_ORDER);
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}
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case LOADER_ID_KEYS: {
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Uri baseUri = Keys.buildKeysUri(mDataUri);
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// Now create and return a CursorLoader that will take care of
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// creating a Cursor for the data being displayed.
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return new CursorLoader(this, baseUri, KEYS_PROJECTION, null, null, KEYS_SORT_ORDER);
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}
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default:
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return null;
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}
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}
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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// Swap the new cursor in. (The framework will take care of closing the
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// old cursor once we return.)
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switch (loader.getId()) {
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case LOADER_ID_KEYRING:
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if (data.moveToFirst()) {
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// get name, email, and comment from USER_ID
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String[] mainUserId = PgpKeyHelper.splitUserId(data
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.getString(KEYRING_INDEX_USER_ID));
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setTitle(mainUserId[0]);
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mName.setText(mainUserId[0]);
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mEmail.setText(mainUserId[1]);
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mComment.setText(mainUserId[2]);
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}
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break;
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case LOADER_ID_USER_IDS:
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mUserIdsAdapter.swapCursor(data);
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break;
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case LOADER_ID_KEYS:
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// the first key here is our master key
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if (data.moveToFirst()) {
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// get key id from MASTER_KEY_ID
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long keyId = data.getLong(KEYS_INDEX_KEY_ID);
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String keyIdStr = "0x" + PgpKeyHelper.convertKeyIdToHex(keyId);
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mKeyId.setText(keyIdStr);
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// get creation date from CREATION
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if (data.isNull(KEYS_INDEX_CREATION)) {
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mCreation.setText(R.string.none);
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} else {
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Date creationDate = new Date(data.getLong(KEYS_INDEX_CREATION) * 1000);
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mCreation.setText(DateFormat.getDateFormat(getApplicationContext()).format(
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creationDate));
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}
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// get creation date from EXPIRY
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if (data.isNull(KEYS_INDEX_EXPIRY)) {
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mExpiry.setText(R.string.none);
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} else {
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Date expiryDate = new Date(data.getLong(KEYS_INDEX_EXPIRY) * 1000);
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mExpiry.setText(DateFormat.getDateFormat(getApplicationContext()).format(
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expiryDate));
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}
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String algorithmStr = PgpKeyHelper.getAlgorithmInfo(
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data.getInt(KEYS_INDEX_ALGORITHM), data.getInt(KEYS_INDEX_KEY_SIZE));
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mAlgorithm.setText(algorithmStr);
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// TODO: Can this be done better? fingerprint in db?
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String fingerprint = PgpKeyHelper.getFingerPrint(this, keyId);
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fingerprint = fingerprint.replace(" ", "\n");
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mFingerprint.setText(fingerprint);
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// TODO: get image with getUserAttributes() on key and then
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// PGPUserAttributeSubpacketVector
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}
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mKeysAdapter.swapCursor(data);
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break;
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default:
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break;
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}
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}
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/**
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* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
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* We need to make sure we are no longer using it.
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*/
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public void onLoaderReset(Loader<Cursor> loader) {
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switch (loader.getId()) {
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case LOADER_ID_KEYRING:
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// TODO?
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break;
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case LOADER_ID_USER_IDS:
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mUserIdsAdapter.swapCursor(null);
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break;
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case LOADER_ID_KEYS:
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mKeysAdapter.swapCursor(null);
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break;
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default:
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break;
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}
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}
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private void uploadToKeyserver(Uri dataUri) {
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long keyRingRowId = Long.valueOf(dataUri.getLastPathSegment());
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Intent uploadIntent = new Intent(this, KeyServerUploadActivity.class);
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uploadIntent.setAction(KeyServerUploadActivity.ACTION_EXPORT_KEY_TO_SERVER);
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uploadIntent.putExtra(KeyServerUploadActivity.EXTRA_KEYRING_ROW_ID, (int) keyRingRowId);
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startActivityForResult(uploadIntent, Id.request.export_to_server);
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}
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private void updateFromKeyserver(Uri dataUri) {
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long updateKeyId = 0;
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PGPPublicKeyRing updateRing = (PGPPublicKeyRing) ProviderHelper
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.getPGPKeyRing(this, dataUri);
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if (updateRing != null) {
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updateKeyId = PgpKeyHelper.getMasterKey(updateRing).getKeyID();
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}
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if (updateKeyId == 0) {
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Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!");
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return;
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}
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Intent queryIntent = new Intent(this, KeyServerQueryActivity.class);
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queryIntent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID_AND_RETURN);
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queryIntent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, updateKeyId);
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// TODO: lookup??
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startActivityForResult(queryIntent, Id.request.look_up_key_id);
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}
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private void signKey(Uri dataUri) {
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long keyId = 0;
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PGPPublicKeyRing signKey = (PGPPublicKeyRing) ProviderHelper.getPGPKeyRing(this, dataUri);
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if (signKey != null) {
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keyId = PgpKeyHelper.getMasterKey(signKey).getKeyID();
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}
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if (keyId == 0) {
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Log.e(Constants.TAG, "this shouldn't happen. KeyId == 0!");
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return;
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}
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Intent signIntent = new Intent(this, SignKeyActivity.class);
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signIntent.putExtra(SignKeyActivity.EXTRA_KEY_ID, keyId);
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startActivity(signIntent);
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}
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private void shareKey(Uri dataUri, boolean fingerprintOnly) {
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String content = null;
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if (fingerprintOnly) {
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long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
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// TODO: dublicated in ShareQrCodeDialog
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content = "openpgp4fpr:";
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String fingerprint = PgpKeyHelper.convertKeyToHex(masterKeyId);
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content = content + fingerprint;
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} else {
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// get public keyring as ascii armored string
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long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
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ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this,
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dataUri, new long[] { masterKeyId });
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content = keyringArmored.get(0);
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// Android will fail with android.os.TransactionTooLargeException if key is too big
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// see http://www.lonestarprod.com/?p=34
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if (content.length() >= 86389) {
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Toast.makeText(getApplicationContext(), R.string.key_too_big_for_sharing,
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Toast.LENGTH_LONG).show();
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return;
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}
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}
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// let user choose application
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Intent sendIntent = new Intent(Intent.ACTION_SEND);
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sendIntent.putExtra(Intent.EXTRA_TEXT, content);
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sendIntent.setType("text/plain");
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startActivity(Intent.createChooser(sendIntent,
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getResources().getText(R.string.action_share_key_with)));
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}
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private void shareKeyQrCode(Uri dataUri, boolean fingerprintOnly) {
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ShareQrCodeDialogFragment dialog = ShareQrCodeDialogFragment.newInstance(dataUri,
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fingerprintOnly);
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dialog.show(getSupportFragmentManager(), "shareQrCodeDialog");
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}
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private void copyToClipboard(Uri dataUri) {
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// get public keyring as ascii armored string
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long masterKeyId = ProviderHelper.getMasterKeyId(this, dataUri);
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ArrayList<String> keyringArmored = ProviderHelper.getKeyRingsAsArmoredString(this, dataUri,
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new long[] { masterKeyId });
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ClipboardReflection.copyToClipboard(this, keyringArmored.get(0));
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Toast.makeText(getApplicationContext(), R.string.key_copied_to_clipboard, Toast.LENGTH_LONG)
|
|
.show();
|
|
}
|
|
|
|
private void shareNfc() {
|
|
ShareNfcDialogFragment dialog = ShareNfcDialogFragment.newInstance();
|
|
dialog.show(getSupportFragmentManager(), "shareNfcDialog");
|
|
}
|
|
|
|
}
|