311 lines
11 KiB
Java
311 lines
11 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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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.widget;
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import android.app.Activity;
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import android.content.Context;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.Rect;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.v4.app.FragmentActivity;
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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.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.tokenautocomplete.FilteredArrayAdapter;
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import com.tokenautocomplete.TokenCompleteTextView;
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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.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.util.ContactHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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import java.util.Locale;
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import java.util.TimeZone;
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public class EncryptKeyCompletionView extends TokenCompleteTextView {
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public EncryptKeyCompletionView(Context context) {
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super(context);
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initView();
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}
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public EncryptKeyCompletionView(Context context, AttributeSet attrs) {
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super(context, attrs);
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initView();
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}
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public EncryptKeyCompletionView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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initView();
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}
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private void initView() {
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swapCursor(null);
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setPrefix(getContext().getString(R.string.label_to) + " ");
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allowDuplicates(false);
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}
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@Override
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protected View getViewForObject(Object object) {
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if (object instanceof EncryptionKey) {
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LayoutInflater l = (LayoutInflater) getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
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View view = l.inflate(R.layout.recipient_box_entry, null);
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((TextView) view.findViewById(android.R.id.text1)).setText(((EncryptionKey) object).getPrimary());
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setImageByKey((ImageView) view.findViewById(android.R.id.icon), (EncryptionKey) object);
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return view;
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}
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return null;
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}
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private void setImageByKey(ImageView view, EncryptionKey key) {
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Bitmap photo = ContactHelper.getCachedPhotoByMasterKeyId(getContext().getContentResolver(), key.getKeyId());
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if (photo != null) {
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view.setImageBitmap(photo);
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} else {
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view.setImageResource(R.drawable.ic_generic_man);
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}
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}
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@Override
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protected Object defaultObject(String completionText) {
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// TODO: We could try to automagically download the key if it's unknown but a key id
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/*if (completionText.startsWith("0x")) {
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}*/
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return null;
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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if (getContext() instanceof FragmentActivity) {
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((FragmentActivity) getContext()).getSupportLoaderManager().initLoader(hashCode(), null, new LoaderManager.LoaderCallbacks<Cursor>() {
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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// These are the rows that we will retrieve.
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Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
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String[] projection = new String[]{
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KeyRings._ID,
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KeyRings.MASTER_KEY_ID,
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KeyRings.KEY_ID,
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KeyRings.USER_ID,
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KeyRings.FINGERPRINT,
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KeyRings.IS_EXPIRED,
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KeyRings.HAS_ENCRYPT,
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KeyRings.HAS_DUPLICATE_USER_ID,
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KeyRings.CREATION
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};
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String where = KeyRings.HAS_ENCRYPT + " NOT NULL AND " + KeyRings.IS_EXPIRED + " = 0 AND "
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+ Tables.KEYS + "." + KeyRings.IS_REVOKED + " = 0";
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return new CursorLoader(getContext(), baseUri, projection, where, null, 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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swapCursor(data);
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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swapCursor(null);
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}
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});
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} else {
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Log.e(Constants.TAG, "EncryptKeyCompletionView must be attached to a FragmentActivity, this is " + getContext().getClass());
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}
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}
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@Override
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public void onFocusChanged(boolean hasFocus, int direction, Rect previous) {
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super.onFocusChanged(hasFocus, direction, previous);
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if (hasFocus) {
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((InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE))
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.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT);
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}
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}
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public void swapCursor(Cursor cursor) {
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if (cursor == null) {
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setAdapter(new EncryptKeyAdapter(Collections.<EncryptionKey>emptyList()));
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return;
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}
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ArrayList<EncryptionKey> keys = new ArrayList<>();
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while (cursor.moveToNext()) {
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try {
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EncryptionKey key = new EncryptionKey(cursor);
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keys.add(key);
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} catch (Exception e) {
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Log.w(Constants.TAG, e);
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return;
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}
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}
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setAdapter(new EncryptKeyAdapter(keys));
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}
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public class EncryptionKey {
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private String mUserIdFull;
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private KeyRing.UserId mUserId;
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private long mKeyId;
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private boolean mHasDuplicate;
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private Date mCreation;
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private String mFingerprint;
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public EncryptionKey(String userId, long keyId, boolean hasDuplicate, Date creation, String fingerprint) {
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mUserId = KeyRing.splitUserId(userId);
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mUserIdFull = userId;
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mKeyId = keyId;
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mHasDuplicate = hasDuplicate;
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mCreation = creation;
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mFingerprint = fingerprint;
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}
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public EncryptionKey(Cursor cursor) {
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this(cursor.getString(cursor.getColumnIndexOrThrow(KeyRings.USER_ID)),
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cursor.getLong(cursor.getColumnIndexOrThrow(KeyRings.KEY_ID)),
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cursor.getLong(cursor.getColumnIndexOrThrow(KeyRings.HAS_DUPLICATE_USER_ID)) > 0,
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new Date(cursor.getLong(cursor.getColumnIndexOrThrow(KeyRings.CREATION)) * 1000),
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KeyFormattingUtils.convertFingerprintToHex(
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cursor.getBlob(cursor.getColumnIndexOrThrow(KeyRings.FINGERPRINT))));
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}
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public EncryptionKey(CachedPublicKeyRing ring) throws PgpKeyNotFoundException {
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this(ring.getPrimaryUserId(), ring.extractOrGetMasterKeyId(), false, null,
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KeyFormattingUtils.convertFingerprintToHex(ring.getFingerprint()));
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}
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public String getUserId() {
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return mUserIdFull;
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}
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public String getFingerprint() {
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return mFingerprint;
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}
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public String getPrimary() {
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if (mUserId.name != null) {
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return mUserId.name;
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} else {
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return mUserId.email;
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}
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}
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public String getSecondary() {
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if (mUserId.email != null) {
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return mUserId.email;
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} else {
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return getCreationDate();
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}
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}
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public String getTertiary() {
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if (mUserId.name != null) {
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return getCreationDate();
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} else {
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return null;
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}
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}
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public long getKeyId() {
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return mKeyId;
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}
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public String getCreationDate() {
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if (mHasDuplicate) {
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Calendar creationCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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creationCal.setTime(mCreation);
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// convert from UTC to time zone of device
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creationCal.setTimeZone(TimeZone.getDefault());
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return getContext().getString(R.string.label_creation) + ": "
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+ DateFormat.getDateFormat(getContext()).format(creationCal.getTime());
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} else {
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return null;
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}
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}
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public String getKeyIdHex() {
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return KeyFormattingUtils.beautifyKeyIdWithPrefix(getContext(), mKeyId);
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}
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public String getKeyIdHexShort() {
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return KeyFormattingUtils.convertKeyIdToHexShort(mKeyId);
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}
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@Override
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public String toString() {
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return Long.toString(mKeyId);
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}
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}
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private class EncryptKeyAdapter extends FilteredArrayAdapter<EncryptionKey> {
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public EncryptKeyAdapter(List<EncryptionKey> objs) {
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super(EncryptKeyCompletionView.this.getContext(), 0, 0, objs);
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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LayoutInflater l = (LayoutInflater) getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
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View view;
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if (convertView != null) {
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view = convertView;
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} else {
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view = l.inflate(R.layout.recipient_selection_list_entry, null);
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}
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((TextView) view.findViewById(android.R.id.title)).setText(getItem(position).getPrimary());
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((TextView) view.findViewById(android.R.id.text1)).setText(getItem(position).getSecondary());
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((TextView) view.findViewById(android.R.id.text2)).setText(getItem(position).getTertiary());
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setImageByKey((ImageView) view.findViewById(android.R.id.icon), getItem(position));
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return view;
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}
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@Override
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protected boolean keepObject(EncryptionKey obj, String mask) {
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String m = mask.toLowerCase(Locale.ENGLISH);
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return obj.getUserId().toLowerCase(Locale.ENGLISH).contains(m) ||
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obj.getKeyIdHex().contains(m) ||
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obj.getKeyIdHexShort().startsWith(m);
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}
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}
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}
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