384 lines
15 KiB
Java
384 lines
15 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2011 Senecaso
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.app.ProgressDialog;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.PorterDuff;
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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.os.Messenger;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.app.NavUtils;
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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.support.v7.app.ActionBarActivity;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.CompoundButton.OnCheckedChangeListener;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.Spinner;
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import android.widget.TextView;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.helper.Preferences;
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import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
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import org.sufficientlysecure.keychain.service.OperationResultParcel;
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import org.sufficientlysecure.keychain.service.PassphraseCacheService;
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import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
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import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Notify;
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import java.util.ArrayList;
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/**
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* Signs the specified public key with the specified secret master key
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*/
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public class CertifyKeyActivity extends ActionBarActivity implements
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SelectSecretKeyLayoutFragment.SelectSecretKeyCallback, LoaderManager.LoaderCallbacks<Cursor> {
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private View mCertifyButton;
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private ImageView mActionCertifyImage;
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private CheckBox mUploadKeyCheckbox;
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private Spinner mSelectKeyserverSpinner;
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private SelectSecretKeyLayoutFragment mSelectKeyFragment;
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private Uri mDataUri;
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private long mPubKeyId = 0;
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private long mMasterKeyId = 0;
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private ListView mUserIds;
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private UserIdsAdapter mUserIdsAdapter;
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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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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.certify_key_activity);
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mSelectKeyFragment = (SelectSecretKeyLayoutFragment) getSupportFragmentManager()
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.findFragmentById(R.id.sign_key_select_key_fragment);
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mSelectKeyserverSpinner = (Spinner) findViewById(R.id.upload_key_keyserver);
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mUploadKeyCheckbox = (CheckBox) findViewById(R.id.sign_key_upload_checkbox);
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mCertifyButton = findViewById(R.id.certify_key_certify_button);
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mActionCertifyImage = (ImageView) findViewById(R.id.certify_key_action_certify_image);
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mUserIds = (ListView) findViewById(R.id.view_key_user_ids);
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// make certify image gray, like action icons
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mActionCertifyImage.setColorFilter(getResources().getColor(R.color.tertiary_text_light),
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PorterDuff.Mode.SRC_IN);
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mSelectKeyFragment.setCallback(this);
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mSelectKeyFragment.setFilterCertify(true);
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ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
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android.R.layout.simple_spinner_item, Preferences.getPreferences(this)
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.getKeyServers()
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);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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mSelectKeyserverSpinner.setAdapter(adapter);
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if (!mUploadKeyCheckbox.isChecked()) {
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mSelectKeyserverSpinner.setEnabled(false);
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} else {
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mSelectKeyserverSpinner.setEnabled(true);
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}
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mUploadKeyCheckbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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if (!isChecked) {
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mSelectKeyserverSpinner.setEnabled(false);
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} else {
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mSelectKeyserverSpinner.setEnabled(true);
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}
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}
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});
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mCertifyButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mPubKeyId != 0) {
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if (mMasterKeyId == 0) {
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mSelectKeyFragment.setError(getString(R.string.select_key_to_certify));
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Notify.showNotify(CertifyKeyActivity.this, getString(R.string.select_key_to_certify),
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Notify.Style.ERROR);
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} else {
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initiateCertifying();
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}
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}
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}
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});
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mDataUri = getIntent().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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}
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Log.e(Constants.TAG, "uri: " + mDataUri);
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mUserIdsAdapter = new UserIdsAdapter(this, null, 0, true);
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mUserIds.setAdapter(mUserIdsAdapter);
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mUserIds.setOnItemClickListener(mUserIdsAdapter);
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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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}
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static final String USER_IDS_SELECTION = UserIds.IS_REVOKED + " = 0";
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static final String[] KEYRING_PROJECTION =
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new String[]{
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KeyRings._ID,
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KeyRings.MASTER_KEY_ID,
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KeyRings.FINGERPRINT,
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KeyRings.USER_ID,
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};
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static final int INDEX_MASTER_KEY_ID = 1;
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static final int INDEX_FINGERPRINT = 2;
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static final int INDEX_USER_ID = 3;
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@Override
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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 uri = KeyRings.buildUnifiedKeyRingUri(mDataUri);
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return new CursorLoader(this, uri, KEYRING_PROJECTION, null, null, null);
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}
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case LOADER_ID_USER_IDS: {
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Uri uri = UserIds.buildUserIdsUri(mDataUri);
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return new CursorLoader(this, uri,
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UserIdsAdapter.USER_IDS_PROJECTION, USER_IDS_SELECTION, null, null);
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}
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}
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return null;
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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switch (loader.getId()) {
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case LOADER_ID_KEYRING:
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// the first key here is our master key
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if (data.moveToFirst()) {
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// TODO: put findViewById in onCreate!
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mPubKeyId = data.getLong(INDEX_MASTER_KEY_ID);
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String keyIdStr = PgpKeyHelper.convertKeyIdToHex(mPubKeyId);
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((TextView) findViewById(R.id.key_id)).setText(keyIdStr);
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String mainUserId = data.getString(INDEX_USER_ID);
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((TextView) findViewById(R.id.main_user_id)).setText(mainUserId);
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byte[] fingerprintBlob = data.getBlob(INDEX_FINGERPRINT);
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String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob);
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((TextView) findViewById(R.id.view_key_fingerprint))
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.setText(PgpKeyHelper.colorizeFingerprint(fingerprint));
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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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}
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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switch (loader.getId()) {
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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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}
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}
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/**
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* handles the UI bits of the signing process on the UI thread
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*/
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private void initiateCertifying() {
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// get the user's passphrase for this key (if required)
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String passphrase = PassphraseCacheService.getCachedPassphrase(this, mMasterKeyId);
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if (passphrase == null) {
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PassphraseDialogFragment.show(this, mMasterKeyId,
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new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
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startCertifying();
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}
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}
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}
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);
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// bail out; need to wait until the user has entered the passphrase before trying again
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return;
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} else {
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startCertifying();
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}
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}
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/**
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* kicks off the actual signing process on a background thread
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*/
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private void startCertifying() {
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// Bail out if there is not at least one user id selected
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ArrayList<String> userIds = mUserIdsAdapter.getSelectedUserIds();
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if (userIds.isEmpty()) {
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Notify.showNotify(CertifyKeyActivity.this, "No identities selected!",
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Notify.Style.ERROR);
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return;
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}
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// Send all information needed to service to sign key in other thread
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Intent intent = new Intent(this, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_CERTIFY_KEYRING);
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// fill values for this action
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Bundle data = new Bundle();
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data.putLong(KeychainIntentService.CERTIFY_KEY_MASTER_KEY_ID, mMasterKeyId);
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data.putLong(KeychainIntentService.CERTIFY_KEY_PUB_KEY_ID, mPubKeyId);
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data.putStringArrayList(KeychainIntentService.CERTIFY_KEY_UIDS, userIds);
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after signing is done in KeychainIntentService
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KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
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getString(R.string.progress_certifying), ProgressDialog.STYLE_SPINNER) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
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Notify.showNotify(CertifyKeyActivity.this, R.string.key_certify_success,
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Notify.Style.INFO);
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// check if we need to send the key to the server or not
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if (mUploadKeyCheckbox.isChecked()) {
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// upload the newly signed key to the keyserver
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uploadKey();
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} else {
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setResult(RESULT_OK);
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finish();
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}
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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saveHandler.showProgressDialog(this);
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// start service with intent
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startService(intent);
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}
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private void uploadKey() {
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// Send all information needed to service to upload key in other thread
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Intent intent = new Intent(this, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_UPLOAD_KEYRING);
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// set data uri as path to keyring
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Uri blobUri = KeychainContract.KeyRingData.buildPublicKeyRingUri(mDataUri);
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intent.setData(blobUri);
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// fill values for this action
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Bundle data = new Bundle();
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Spinner keyServer = (Spinner) findViewById(R.id.upload_key_keyserver);
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String server = (String) keyServer.getSelectedItem();
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data.putString(KeychainIntentService.UPLOAD_KEY_SERVER, server);
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after uploading is done in KeychainIntentService
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KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
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getString(R.string.progress_uploading), ProgressDialog.STYLE_HORIZONTAL) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
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Intent intent = new Intent();
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intent.putExtra(OperationResultParcel.EXTRA_RESULT, message.getData());
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Notify.showNotify(CertifyKeyActivity.this, R.string.key_send_success,
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Notify.Style.INFO);
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setResult(RESULT_OK);
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finish();
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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saveHandler.showProgressDialog(this);
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// start service with intent
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startService(intent);
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}
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/**
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* callback from select key fragment
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*/
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@Override
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public void onKeySelected(long secretKeyId) {
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mMasterKeyId = secretKeyId;
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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 viewIntent = NavUtils.getParentActivityIntent(this);
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viewIntent.setData(KeyRings.buildGenericKeyRingUri(mDataUri));
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NavUtils.navigateUpTo(this, viewIntent);
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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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}
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