381 lines
14 KiB
Java
381 lines
14 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
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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.annotation.TargetApi;
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import android.app.DatePickerDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.text.format.DateUtils;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.DatePicker;
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import android.widget.ImageButton;
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import android.widget.LinearLayout;
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import android.widget.TableLayout;
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import android.widget.TableRow;
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import android.widget.TextView;
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import android.widget.Button;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
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import org.sufficientlysecure.keychain.pgp.UncachedSecretKey;
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import java.text.DateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.TimeZone;
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public class KeyEditor extends LinearLayout implements Editor, OnClickListener {
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private UncachedSecretKey mKey;
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private EditorListener mEditorListener = null;
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private boolean mIsMasterKey;
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ImageButton mDeleteButton;
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TextView mAlgorithm;
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TextView mKeyId;
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TextView mCreationDate;
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Button mExpiryDateButton;
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Calendar mCreatedDate;
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Calendar mExpiryDate;
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Calendar mOriginalExpiryDate = null;
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CheckBox mChkCertify;
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CheckBox mChkSign;
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CheckBox mChkEncrypt;
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CheckBox mChkAuthenticate;
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int mUsage;
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int mOriginalUsage;
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boolean mIsNewKey;
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private CheckBox.OnCheckedChangeListener mCheckChanged = new CheckBox.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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if (mEditorListener != null) {
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mEditorListener.onEdited();
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}
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}
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};
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private int mDatePickerResultCount = 0;
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private DatePickerDialog.OnDateSetListener mExpiryDateSetListener =
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new DatePickerDialog.OnDateSetListener() {
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public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
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// Note: Ignore results after the first one - android sends multiples.
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if (mDatePickerResultCount++ == 0) {
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GregorianCalendar date = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
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date.set(year, monthOfYear, dayOfMonth);
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if (mOriginalExpiryDate != null) {
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long numDays = (date.getTimeInMillis() / 86400000) -
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(mOriginalExpiryDate.getTimeInMillis() / 86400000);
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if (numDays == 0) {
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setExpiryDate(mOriginalExpiryDate);
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} else {
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setExpiryDate(date);
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}
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} else {
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setExpiryDate(date);
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}
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if (mEditorListener != null) {
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mEditorListener.onEdited();
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}
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}
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}
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};
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public KeyEditor(Context context) {
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super(context);
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}
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public KeyEditor(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onFinishInflate() {
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setDrawingCacheEnabled(true);
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setAlwaysDrawnWithCacheEnabled(true);
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mAlgorithm = (TextView) findViewById(R.id.algorithm);
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mKeyId = (TextView) findViewById(R.id.keyId);
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mCreationDate = (TextView) findViewById(R.id.creation);
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mExpiryDateButton = (Button) findViewById(R.id.expiry);
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mDeleteButton = (ImageButton) findViewById(R.id.delete);
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mDeleteButton.setOnClickListener(this);
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mChkCertify = (CheckBox) findViewById(R.id.chkCertify);
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mChkCertify.setOnCheckedChangeListener(mCheckChanged);
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mChkSign = (CheckBox) findViewById(R.id.chkSign);
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mChkSign.setOnCheckedChangeListener(mCheckChanged);
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mChkEncrypt = (CheckBox) findViewById(R.id.chkEncrypt);
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mChkEncrypt.setOnCheckedChangeListener(mCheckChanged);
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mChkAuthenticate = (CheckBox) findViewById(R.id.chkAuthenticate);
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mChkAuthenticate.setOnCheckedChangeListener(mCheckChanged);
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setExpiryDate(null);
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mExpiryDateButton.setOnClickListener(new OnClickListener() {
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@TargetApi(11)
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public void onClick(View v) {
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Calendar expiryDate = mExpiryDate;
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if (expiryDate == null) {
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expiryDate = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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}
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/*
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* Using custom DatePickerDialog which overrides the setTitle because
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* the DatePickerDialog title is buggy (unix warparound bug).
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* See: https://code.google.com/p/android/issues/detail?id=49066
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*/
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DatePickerDialog dialog = new ExpiryDatePickerDialog(getContext(),
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mExpiryDateSetListener, expiryDate.get(Calendar.YEAR), expiryDate.get(Calendar.MONTH),
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expiryDate.get(Calendar.DAY_OF_MONTH));
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mDatePickerResultCount = 0;
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dialog.setCancelable(true);
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dialog.setButton(Dialog.BUTTON_NEGATIVE,
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getContext().getString(R.string.btn_no_date),
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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// Note: Ignore results after the first one - android sends multiples.
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if (mDatePickerResultCount++ == 0) {
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setExpiryDate(null);
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if (mEditorListener != null) {
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mEditorListener.onEdited();
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}
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}
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}
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});
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// setCalendarViewShown() is supported from API 11 onwards.
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
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// Hide calendarView in tablets because of the unix warparound bug.
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dialog.getDatePicker().setCalendarViewShown(false);
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}
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
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// will crash with IllegalArgumentException if we set a min date
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// that is not before expiry
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if (mCreatedDate != null && mCreatedDate.before(expiryDate)) {
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dialog.getDatePicker()
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.setMinDate(
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mCreatedDate.getTime().getTime() + DateUtils.DAY_IN_MILLIS);
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} else {
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// When created date isn't available
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dialog.getDatePicker().setMinDate(expiryDate.getTime().getTime() + DateUtils.DAY_IN_MILLIS);
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}
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}
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dialog.show();
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}
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});
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super.onFinishInflate();
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}
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public void setCanBeEdited(boolean canBeEdited) {
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if (!canBeEdited) {
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mDeleteButton.setVisibility(View.INVISIBLE);
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mExpiryDateButton.setEnabled(false);
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mChkSign.setEnabled(false); //certify is always disabled
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mChkEncrypt.setEnabled(false);
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mChkAuthenticate.setEnabled(false);
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}
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}
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public void setValue(UncachedSecretKey key, boolean isMasterKey, int usage, boolean isNewKey) {
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mKey = key;
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mIsMasterKey = isMasterKey;
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if (mIsMasterKey) {
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mDeleteButton.setVisibility(View.INVISIBLE);
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}
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mAlgorithm.setText(PgpKeyHelper.getAlgorithmInfo(getContext(), key.getAlgorithm()));
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String keyIdStr = PgpKeyHelper.convertKeyIdToHex(key.getKeyId());
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mKeyId.setText(keyIdStr);
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boolean isElGamalKey = (key.isElGamalEncrypt());
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boolean isDSAKey = (key.isDSA());
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if (isElGamalKey) {
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mChkSign.setVisibility(View.INVISIBLE);
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TableLayout table = (TableLayout) findViewById(R.id.table_keylayout);
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TableRow row = (TableRow) findViewById(R.id.row_sign);
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table.removeView(row);
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}
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if (isDSAKey) {
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mChkEncrypt.setVisibility(View.INVISIBLE);
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TableLayout table = (TableLayout) findViewById(R.id.table_keylayout);
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TableRow row = (TableRow) findViewById(R.id.row_encrypt);
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table.removeView(row);
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}
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if (!mIsMasterKey) {
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mChkCertify.setVisibility(View.INVISIBLE);
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TableLayout table = (TableLayout) findViewById(R.id.table_keylayout);
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TableRow row = (TableRow) findViewById(R.id.row_certify);
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table.removeView(row);
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} else {
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TextView mLabelUsage2 = (TextView) findViewById(R.id.label_usage2);
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mLabelUsage2.setVisibility(View.INVISIBLE);
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}
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mIsNewKey = isNewKey;
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if (isNewKey) {
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mUsage = usage;
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mChkCertify.setChecked(
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(usage & UncachedSecretKey.CERTIFY_OTHER) == UncachedSecretKey.CERTIFY_OTHER);
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mChkSign.setChecked(
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(usage & UncachedSecretKey.SIGN_DATA) == UncachedSecretKey.SIGN_DATA);
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mChkEncrypt.setChecked(
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((usage & UncachedSecretKey.ENCRYPT_COMMS) == UncachedSecretKey.ENCRYPT_COMMS) ||
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((usage & UncachedSecretKey.ENCRYPT_STORAGE) == UncachedSecretKey.ENCRYPT_STORAGE));
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mChkAuthenticate.setChecked(
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(usage & UncachedSecretKey.AUTHENTICATION) == UncachedSecretKey.AUTHENTICATION);
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} else {
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mUsage = key.getKeyUsage();
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mOriginalUsage = mUsage;
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if (key.isMasterKey()) {
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mChkCertify.setChecked(key.canCertify());
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}
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mChkSign.setChecked(key.canSign());
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mChkEncrypt.setChecked(key.canEncrypt());
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mChkAuthenticate.setChecked(key.canAuthenticate());
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}
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{
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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cal.setTime(key.getCreationTime());
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setCreatedDate(cal);
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}
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Date expiryDate = key.getExpiryTime();
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if (expiryDate == null) {
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setExpiryDate(null);
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} else {
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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cal.setTime(expiryDate);
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setExpiryDate(cal);
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mOriginalExpiryDate = cal;
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}
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}
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public UncachedSecretKey getValue() {
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return mKey;
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}
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public void onClick(View v) {
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final ViewGroup parent = (ViewGroup) getParent();
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if (v == mDeleteButton) {
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parent.removeView(this);
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if (mEditorListener != null) {
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mEditorListener.onDeleted(this, mIsNewKey);
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}
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}
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}
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public void setEditorListener(EditorListener listener) {
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mEditorListener = listener;
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}
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private void setCreatedDate(Calendar date) {
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mCreatedDate = date;
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if (date == null) {
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mCreationDate.setText(getContext().getString(R.string.none));
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} else {
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mCreationDate.setText(DateFormat.getDateInstance().format(date.getTime()));
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}
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}
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private void setExpiryDate(Calendar date) {
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mExpiryDate = date;
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if (date == null) {
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mExpiryDateButton.setText(getContext().getString(R.string.none));
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} else {
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mExpiryDateButton.setText(DateFormat.getDateInstance().format(date.getTime()));
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}
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}
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public Calendar getExpiryDate() {
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return mExpiryDate;
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}
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public int getUsage() {
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mUsage = (mUsage & ~UncachedSecretKey.CERTIFY_OTHER) |
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(mChkCertify.isChecked() ? UncachedSecretKey.CERTIFY_OTHER : 0);
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mUsage = (mUsage & ~UncachedSecretKey.SIGN_DATA) |
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(mChkSign.isChecked() ? UncachedSecretKey.SIGN_DATA : 0);
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mUsage = (mUsage & ~UncachedSecretKey.ENCRYPT_COMMS) |
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(mChkEncrypt.isChecked() ? UncachedSecretKey.ENCRYPT_COMMS : 0);
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mUsage = (mUsage & ~UncachedSecretKey.ENCRYPT_STORAGE) |
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(mChkEncrypt.isChecked() ? UncachedSecretKey.ENCRYPT_STORAGE : 0);
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mUsage = (mUsage & ~UncachedSecretKey.AUTHENTICATION) |
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(mChkAuthenticate.isChecked() ? UncachedSecretKey.AUTHENTICATION : 0);
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return mUsage;
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}
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public boolean needsSaving() {
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if (mIsNewKey) {
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return true;
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}
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boolean retval = (getUsage() != mOriginalUsage);
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boolean dateChanged;
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boolean mOEDNull = (mOriginalExpiryDate == null);
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boolean mEDNull = (mExpiryDate == null);
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if (mOEDNull != mEDNull) {
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dateChanged = true;
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} else {
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if (mOEDNull) {
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//both null, no change
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dateChanged = false;
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} else {
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dateChanged = ((mExpiryDate.compareTo(mOriginalExpiryDate)) != 0);
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}
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}
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retval |= dateChanged;
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return retval;
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}
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public boolean getIsNewKey() {
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return mIsNewKey;
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}
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}
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class ExpiryDatePickerDialog extends DatePickerDialog {
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public ExpiryDatePickerDialog(Context context, OnDateSetListener callBack,
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int year, int monthOfYear, int dayOfMonth) {
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super(context, callBack, year, monthOfYear, dayOfMonth);
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}
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//Set permanent title.
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public void setTitle(CharSequence title) {
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super.setTitle(getContext().getString(R.string.expiry_date_dialog_title));
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}
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}
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