Renaming APG to OpenPGP Keychain
This commit is contained in:
Dominik Schürmann
@@ -0,0 +1,946 @@
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/*
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* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
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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 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.compatibility.ClipboardReflection;
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import org.sufficientlysecure.keychain.helper.FileHelper;
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import org.sufficientlysecure.keychain.helper.OtherHelper;
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import org.sufficientlysecure.keychain.helper.PgpHelper;
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import org.sufficientlysecure.keychain.helper.PgpMain;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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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.PassphraseCacheService;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.FileDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.LookupUnknownKeyDialogFragment;
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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.R;
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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 android.app.ProgressDialog;
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import android.content.Intent;
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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.view.View;
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import android.view.View.OnClickListener;
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import android.view.animation.AnimationUtils;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.widget.ViewFlipper;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.util.regex.Matcher;
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public class DecryptActivity extends SherlockFragmentActivity {
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/* Intents */
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// without permission
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public static final String ACTION_DECRYPT = Constants.INTENT_PREFIX + "DECRYPT";
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public static final String ACTION_DECRYPT_FILE = Constants.INTENT_PREFIX + "DECRYPT_FILE";
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// with permission
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public static final String ACTION_DECRYPT_AND_RETURN = Constants.INTENT_PREFIX
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+ "DECRYPT_AND_RETURN";
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public static final String ACTION_DECRYPT_STREAM_AND_RETURN = Constants.INTENT_PREFIX
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+ "DECRYPT_STREAM_AND_RETURN";
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/* EXTRA keys for input */
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public static final String EXTRA_TEXT = "text";
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public static final String EXTRA_DATA = "data";
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public static final String EXTRA_REPLY_TO = "replyTo";
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public static final String EXTRA_SUBJECT = "subject";
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public static final String EXTRA_BINARY = "binary";
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private long mSignatureKeyId = 0;
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private boolean mReturnResult = false;
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private String mReplyTo = null;
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private String mSubject = null;
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private boolean mSignedOnly = false;
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private boolean mAssumeSymmetricEncryption = false;
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private EditText mMessage = null;
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private LinearLayout mSignatureLayout = null;
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private ImageView mSignatureStatusImage = null;
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private TextView mUserId = null;
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private TextView mUserIdRest = null;
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private ViewFlipper mSource = null;
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private TextView mSourceLabel = null;
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private ImageView mSourcePrevious = null;
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private ImageView mSourceNext = null;
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private boolean mDecryptEnabled = true;
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private String mDecryptString = "";
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private boolean mReplyEnabled = true;
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private String mReplyString = "";
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private int mDecryptTarget;
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private EditText mFilename = null;
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private CheckBox mDeleteAfter = null;
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private ImageButton mBrowse = null;
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private String mInputFilename = null;
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private String mOutputFilename = null;
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private Uri mContentUri = null;
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private byte[] mDataBytes = null;
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private boolean mReturnBinary = false;
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private long mUnknownSignatureKeyId = 0;
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private long mSecretKeyId = Id.key.none;
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private FileDialogFragment mFileDialog;
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private boolean mLookupUnknownKey = true;
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private boolean mDecryptImmediately = false;
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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if (mDecryptEnabled) {
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menu.add(1, Id.menu.option.decrypt, 0, mDecryptString).setShowAsAction(
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MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
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}
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if (mReplyEnabled) {
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menu.add(1, Id.menu.option.reply, 1, mReplyString).setShowAsAction(
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MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
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}
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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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// app icon in Action Bar clicked; go home
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Intent intent = new Intent(this, MainActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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startActivity(intent);
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return true;
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case Id.menu.option.decrypt: {
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decryptClicked();
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return true;
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}
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case Id.menu.option.reply: {
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replyClicked();
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return true;
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}
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default: {
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return super.onOptionsItemSelected(item);
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}
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}
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}
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private void initView() {
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mSource = (ViewFlipper) findViewById(R.id.source);
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mSourceLabel = (TextView) findViewById(R.id.sourceLabel);
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mSourcePrevious = (ImageView) findViewById(R.id.sourcePrevious);
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mSourceNext = (ImageView) findViewById(R.id.sourceNext);
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mSourcePrevious.setClickable(true);
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mSourcePrevious.setOnClickListener(new OnClickListener() {
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public void onClick(View v) {
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mSource.setInAnimation(AnimationUtils.loadAnimation(DecryptActivity.this,
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R.anim.push_right_in));
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mSource.setOutAnimation(AnimationUtils.loadAnimation(DecryptActivity.this,
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R.anim.push_right_out));
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mSource.showPrevious();
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updateSource();
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}
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});
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mSourceNext.setClickable(true);
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OnClickListener nextSourceClickListener = new OnClickListener() {
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public void onClick(View v) {
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mSource.setInAnimation(AnimationUtils.loadAnimation(DecryptActivity.this,
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R.anim.push_left_in));
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mSource.setOutAnimation(AnimationUtils.loadAnimation(DecryptActivity.this,
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R.anim.push_left_out));
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mSource.showNext();
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updateSource();
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}
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};
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mSourceNext.setOnClickListener(nextSourceClickListener);
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mSourceLabel.setClickable(true);
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mSourceLabel.setOnClickListener(nextSourceClickListener);
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mMessage = (EditText) findViewById(R.id.message);
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mSignatureLayout = (LinearLayout) findViewById(R.id.signature);
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mSignatureStatusImage = (ImageView) findViewById(R.id.ic_signature_status);
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mUserId = (TextView) findViewById(R.id.mainUserId);
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mUserIdRest = (TextView) findViewById(R.id.mainUserIdRest);
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// measure the height of the source_file view and set the message view's min height to that,
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// so it fills mSource fully... bit of a hack.
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View tmp = findViewById(R.id.sourceFile);
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tmp.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
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int height = tmp.getMeasuredHeight();
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mMessage.setMinimumHeight(height);
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mFilename = (EditText) findViewById(R.id.filename);
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mBrowse = (ImageButton) findViewById(R.id.btn_browse);
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mBrowse.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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FileHelper.openFile(DecryptActivity.this, mFilename.getText().toString(), "*/*",
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Id.request.filename);
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}
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});
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mDeleteAfter = (CheckBox) findViewById(R.id.deleteAfterDecryption);
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// default: message source
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mSource.setInAnimation(null);
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mSource.setOutAnimation(null);
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while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
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mSource.showNext();
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// check permissions for intent actions without user interaction
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String[] restrictedActions = new String[] { ACTION_DECRYPT_AND_RETURN };
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OtherHelper.checkPackagePermissionForActions(this, this.getCallingPackage(),
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Constants.PERMISSION_ACCESS_API, getIntent().getAction(), restrictedActions);
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setContentView(R.layout.decrypt);
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// set actionbar without home button if called from another app
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OtherHelper.setActionBarBackButton(this);
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initView();
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// Handle intent actions
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handleActions(getIntent());
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if (mSource.getCurrentView().getId() == R.id.sourceMessage
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&& mMessage.getText().length() == 0) {
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CharSequence clipboardText = ClipboardReflection.getClipboardText(this);
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String data = "";
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if (clipboardText != null) {
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Matcher matcher = PgpMain.PGP_MESSAGE.matcher(clipboardText);
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if (!matcher.matches()) {
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matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(clipboardText);
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}
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if (matcher.matches()) {
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data = matcher.group(1);
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mMessage.setText(data);
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Toast.makeText(this, R.string.usingClipboardContent, Toast.LENGTH_SHORT).show();
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}
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}
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}
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mSignatureLayout.setVisibility(View.GONE);
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mSignatureLayout.setOnClickListener(new OnClickListener() {
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public void onClick(View v) {
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if (mSignatureKeyId == 0) {
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return;
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}
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PGPPublicKeyRing key = ProviderHelper.getPGPPublicKeyRingByKeyId(
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DecryptActivity.this, mSignatureKeyId);
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if (key != null) {
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Intent intent = new Intent(DecryptActivity.this, KeyServerQueryActivity.class);
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intent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID);
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intent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, mSignatureKeyId);
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startActivity(intent);
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}
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}
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});
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mReplyEnabled = false;
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// build new actionbar
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invalidateOptionsMenu();
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if (mReturnResult) {
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mSourcePrevious.setClickable(false);
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mSourcePrevious.setEnabled(false);
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mSourcePrevious.setVisibility(View.INVISIBLE);
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mSourceNext.setClickable(false);
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mSourceNext.setEnabled(false);
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mSourceNext.setVisibility(View.INVISIBLE);
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mSourceLabel.setClickable(false);
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mSourceLabel.setEnabled(false);
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}
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updateSource();
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if (mDecryptImmediately
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|| (mSource.getCurrentView().getId() == R.id.sourceMessage && (mMessage.getText()
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.length() > 0 || mDataBytes != null || mContentUri != null))) {
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decryptClicked();
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}
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}
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/**
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* Handles all actions with this intent
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*
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* @param intent
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*/
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private void handleActions(Intent intent) {
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String action = intent.getAction();
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Bundle extras = intent.getExtras();
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String type = intent.getType();
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Uri uri = intent.getData();
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if (extras == null) {
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extras = new Bundle();
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}
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/*
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* Android's Action
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*/
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if (Intent.ACTION_SEND.equals(action) && type != null) {
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// When sending to APG Encrypt via share menu
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if ("text/plain".equals(type)) {
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// Plain text
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String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
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if (sharedText != null) {
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// handle like normal text decryption, override action and extras to later
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// execute ACTION_DECRYPT in main actions
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extras.putString(EXTRA_TEXT, sharedText);
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action = ACTION_DECRYPT;
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}
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} else {
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// Binary via content provider (could also be files)
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// override uri to get stream from send
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uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
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action = ACTION_DECRYPT_FILE;
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}
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} else if (Intent.ACTION_VIEW.equals(action)) {
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// Android's Action when opening file associated to APG (see AndroidManifest.xml)
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// override action
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action = ACTION_DECRYPT_FILE;
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// EVERYTHING ELSE IS OLD CODE
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// This gets the Uri, where an inputStream can be opened from
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// mContentUri = intent.getData();
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// TODO: old implementation of ACTION_VIEW. Is this used in K9?
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// Uri uri = mIntent.getData();
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// try {
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// InputStream attachment = getContentResolver().openInputStream(uri);
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// ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
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// byte bytes[] = new byte[1 << 16];
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// int length;
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// while ((length = attachment.read(bytes)) > 0) {
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// byteOut.write(bytes, 0, length);
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// }
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// byteOut.close();
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// String data = new String(byteOut.toByteArray());
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// mMessage.setText(data);
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// } catch (FileNotFoundException e) {
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// // ignore, then
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// } catch (IOException e) {
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// // ignore, then
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// }
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// same as ACTION_DECRYPT_FILE but decrypt it immediately
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// handleActionDecryptFile(intent);
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// mDecryptImmediately = true;
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}
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/**
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* Main Actions
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*/
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if (ACTION_DECRYPT.equals(action)) {
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mDataBytes = extras.getByteArray(EXTRA_DATA);
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String textData = null;
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if (mDataBytes == null) {
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Log.d(Constants.TAG, "EXTRA_DATA was null");
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textData = extras.getString(EXTRA_TEXT);
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} else {
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Log.d(Constants.TAG, "Got data from EXTRA_DATA");
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}
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if (textData != null) {
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Log.d(Constants.TAG, "textData null, matching text ...");
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Matcher matcher = PgpMain.PGP_MESSAGE.matcher(textData);
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if (matcher.matches()) {
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Log.d(Constants.TAG, "PGP_MESSAGE matched");
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textData = matcher.group(1);
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// replace non breakable spaces
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textData = textData.replaceAll("\\xa0", " ");
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mMessage.setText(textData);
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} else {
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matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(textData);
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if (matcher.matches()) {
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Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched");
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textData = matcher.group(1);
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// replace non breakable spaces
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textData = textData.replaceAll("\\xa0", " ");
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mMessage.setText(textData);
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mDecryptString = getString(R.string.btn_verify);
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// build new action bar
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invalidateOptionsMenu();
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} else {
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Log.d(Constants.TAG, "Nothing matched!");
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}
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}
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}
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mReplyTo = extras.getString(EXTRA_REPLY_TO);
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mSubject = extras.getString(EXTRA_SUBJECT);
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} else if (ACTION_DECRYPT_FILE.equals(action)) {
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// get file path from uri
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String path = FileHelper.getPath(this, uri);
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if (path != null) {
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mInputFilename = path;
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mFilename.setText(mInputFilename);
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guessOutputFilename();
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mSource.setInAnimation(null);
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mSource.setOutAnimation(null);
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while (mSource.getCurrentView().getId() != R.id.sourceFile) {
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mSource.showNext();
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}
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} else {
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Log.e(Constants.TAG,
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"Direct binary data without actual file in filesystem is not supported. This is only supported by ACTION_DECRYPT_STREAM_AND_RETURN.");
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Toast.makeText(this, R.string.error_onlyFilesAreSupported, Toast.LENGTH_LONG)
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.show();
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// end activity
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finish();
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}
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} else if (ACTION_DECRYPT_AND_RETURN.equals(action)) {
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mReturnBinary = extras.getBoolean(EXTRA_BINARY, false);
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if (mContentUri == null) {
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mDataBytes = extras.getByteArray(EXTRA_DATA);
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String data = extras.getString(EXTRA_TEXT);
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if (data != null) {
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Matcher matcher = PgpMain.PGP_MESSAGE.matcher(data);
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if (matcher.matches()) {
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data = matcher.group(1);
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// replace non breakable spaces
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data = data.replaceAll("\\xa0", " ");
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mMessage.setText(data);
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} else {
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matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(data);
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if (matcher.matches()) {
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data = matcher.group(1);
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// replace non breakable spaces
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data = data.replaceAll("\\xa0", " ");
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mMessage.setText(data);
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||||
mDecryptString = getString(R.string.btn_verify);
|
||||
|
||||
// build new action bar
|
||||
invalidateOptionsMenu();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
mReturnResult = true;
|
||||
} else if (ACTION_DECRYPT_STREAM_AND_RETURN.equals(action)) {
|
||||
// TODO: Implement decrypt stream
|
||||
}
|
||||
}
|
||||
|
||||
private void guessOutputFilename() {
|
||||
mInputFilename = mFilename.getText().toString();
|
||||
File file = new File(mInputFilename);
|
||||
String filename = file.getName();
|
||||
if (filename.endsWith(".asc") || filename.endsWith(".gpg") || filename.endsWith(".pgp")) {
|
||||
filename = filename.substring(0, filename.length() - 4);
|
||||
}
|
||||
mOutputFilename = Constants.path.APP_DIR + "/" + filename;
|
||||
}
|
||||
|
||||
private void updateSource() {
|
||||
switch (mSource.getCurrentView().getId()) {
|
||||
case R.id.sourceFile: {
|
||||
mSourceLabel.setText(R.string.label_file);
|
||||
mDecryptString = getString(R.string.btn_decrypt);
|
||||
|
||||
// build new action bar
|
||||
invalidateOptionsMenu();
|
||||
break;
|
||||
}
|
||||
|
||||
case R.id.sourceMessage: {
|
||||
mSourceLabel.setText(R.string.label_message);
|
||||
mDecryptString = getString(R.string.btn_decrypt);
|
||||
|
||||
// build new action bar
|
||||
invalidateOptionsMenu();
|
||||
break;
|
||||
}
|
||||
|
||||
default: {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void decryptClicked() {
|
||||
if (mSource.getCurrentView().getId() == R.id.sourceFile) {
|
||||
mDecryptTarget = Id.target.file;
|
||||
} else {
|
||||
mDecryptTarget = Id.target.message;
|
||||
}
|
||||
initiateDecryption();
|
||||
}
|
||||
|
||||
private void initiateDecryption() {
|
||||
if (mDecryptTarget == Id.target.file) {
|
||||
String currentFilename = mFilename.getText().toString();
|
||||
if (mInputFilename == null || !mInputFilename.equals(currentFilename)) {
|
||||
guessOutputFilename();
|
||||
}
|
||||
|
||||
if (mInputFilename.equals("")) {
|
||||
Toast.makeText(this, R.string.noFileSelected, Toast.LENGTH_SHORT).show();
|
||||
return;
|
||||
}
|
||||
|
||||
if (mInputFilename.startsWith("file")) {
|
||||
File file = new File(mInputFilename);
|
||||
if (!file.exists() || !file.isFile()) {
|
||||
Toast.makeText(
|
||||
this,
|
||||
getString(R.string.errorMessage, getString(R.string.error_fileNotFound)),
|
||||
Toast.LENGTH_SHORT).show();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (mDecryptTarget == Id.target.message) {
|
||||
String messageData = mMessage.getText().toString();
|
||||
Matcher matcher = PgpMain.PGP_SIGNED_MESSAGE.matcher(messageData);
|
||||
if (matcher.matches()) {
|
||||
mSignedOnly = true;
|
||||
decryptStart();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// else treat it as an decrypted message/file
|
||||
mSignedOnly = false;
|
||||
|
||||
getDecryptionKeyFromInputStream();
|
||||
|
||||
// if we need a symmetric passphrase or a passphrase to use a secret key ask for it
|
||||
if (mSecretKeyId == Id.key.symmetric
|
||||
|| PassphraseCacheService.getCachedPassphrase(this, mSecretKeyId) == null) {
|
||||
showPassphraseDialog();
|
||||
} else {
|
||||
if (mDecryptTarget == Id.target.file) {
|
||||
askForOutputFilename();
|
||||
} else {
|
||||
decryptStart();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Shows passphrase dialog to cache a new passphrase the user enters for using it later for
|
||||
* encryption. Based on mSecretKeyId it asks for a passphrase to open a private key or it asks
|
||||
* for a symmetric passphrase
|
||||
*/
|
||||
private void showPassphraseDialog() {
|
||||
// Message is received after passphrase is cached
|
||||
Handler returnHandler = new Handler() {
|
||||
@Override
|
||||
public void handleMessage(Message message) {
|
||||
if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
|
||||
if (mDecryptTarget == Id.target.file) {
|
||||
askForOutputFilename();
|
||||
} else {
|
||||
decryptStart();
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Create a new Messenger for the communication back
|
||||
Messenger messenger = new Messenger(returnHandler);
|
||||
|
||||
try {
|
||||
PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(this,
|
||||
messenger, mSecretKeyId);
|
||||
|
||||
passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog");
|
||||
} catch (PgpMain.PgpGeneralException e) {
|
||||
Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!");
|
||||
// send message to handler to start encryption directly
|
||||
returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: Rework function, remove global variables
|
||||
*/
|
||||
private void getDecryptionKeyFromInputStream() {
|
||||
InputStream inStream = null;
|
||||
if (mContentUri != null) {
|
||||
try {
|
||||
inStream = getContentResolver().openInputStream(mContentUri);
|
||||
} catch (FileNotFoundException e) {
|
||||
Log.e(Constants.TAG, "File not found!", e);
|
||||
Toast.makeText(this, getString(R.string.error_fileNotFound, e.getMessage()),
|
||||
Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
} else if (mDecryptTarget == Id.target.file) {
|
||||
// check if storage is ready
|
||||
if (!FileHelper.isStorageMounted(mInputFilename)) {
|
||||
Toast.makeText(this, getString(R.string.error_externalStorageNotReady),
|
||||
Toast.LENGTH_SHORT).show();
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
inStream = new FileInputStream(mInputFilename);
|
||||
} catch (FileNotFoundException e) {
|
||||
Log.e(Constants.TAG, "File not found!", e);
|
||||
Toast.makeText(this, getString(R.string.error_fileNotFound, e.getMessage()),
|
||||
Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
} else {
|
||||
if (mDataBytes != null) {
|
||||
inStream = new ByteArrayInputStream(mDataBytes);
|
||||
} else {
|
||||
inStream = new ByteArrayInputStream(mMessage.getText().toString().getBytes());
|
||||
}
|
||||
}
|
||||
|
||||
// get decryption key for this inStream
|
||||
try {
|
||||
try {
|
||||
mSecretKeyId = PgpMain.getDecryptionKeyId(this, inStream);
|
||||
if (mSecretKeyId == Id.key.none) {
|
||||
throw new PgpMain.PgpGeneralException(
|
||||
getString(R.string.error_noSecretKeyFound));
|
||||
}
|
||||
mAssumeSymmetricEncryption = false;
|
||||
} catch (PgpMain.NoAsymmetricEncryptionException e) {
|
||||
mSecretKeyId = Id.key.symmetric;
|
||||
if (!PgpMain.hasSymmetricEncryption(this, inStream)) {
|
||||
throw new PgpMain.PgpGeneralException(
|
||||
getString(R.string.error_noKnownEncryptionFound));
|
||||
}
|
||||
mAssumeSymmetricEncryption = true;
|
||||
}
|
||||
} catch (Exception e) {
|
||||
Toast.makeText(this, getString(R.string.errorMessage, e.getMessage()),
|
||||
Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
}
|
||||
|
||||
private void replyClicked() {
|
||||
Intent intent = new Intent(this, EncryptActivity.class);
|
||||
intent.setAction(EncryptActivity.ACTION_ENCRYPT);
|
||||
String data = mMessage.getText().toString();
|
||||
data = data.replaceAll("(?m)^", "> ");
|
||||
data = "\n\n" + data;
|
||||
intent.putExtra(EncryptActivity.EXTRA_TEXT, data);
|
||||
intent.putExtra(EncryptActivity.EXTRA_SUBJECT, "Re: " + mSubject);
|
||||
intent.putExtra(EncryptActivity.EXTRA_SEND_TO, mReplyTo);
|
||||
intent.putExtra(EncryptActivity.EXTRA_SIGNATURE_KEY_ID, mSecretKeyId);
|
||||
intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, new long[] { mSignatureKeyId });
|
||||
startActivity(intent);
|
||||
}
|
||||
|
||||
private void askForOutputFilename() {
|
||||
// Message is received after passphrase is cached
|
||||
Handler returnHandler = new Handler() {
|
||||
@Override
|
||||
public void handleMessage(Message message) {
|
||||
if (message.what == FileDialogFragment.MESSAGE_OKAY) {
|
||||
Bundle data = message.getData();
|
||||
mOutputFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME);
|
||||
decryptStart();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Create a new Messenger for the communication back
|
||||
Messenger messenger = new Messenger(returnHandler);
|
||||
|
||||
mFileDialog = FileDialogFragment.newInstance(messenger,
|
||||
getString(R.string.title_decryptToFile),
|
||||
getString(R.string.specifyFileToDecryptTo), mOutputFilename, null,
|
||||
Id.request.output_filename);
|
||||
|
||||
mFileDialog.show(getSupportFragmentManager(), "fileDialog");
|
||||
}
|
||||
|
||||
private void lookupUnknownKey(long unknownKeyId) {
|
||||
// Message is received after passphrase is cached
|
||||
Handler returnHandler = new Handler() {
|
||||
@Override
|
||||
public void handleMessage(Message message) {
|
||||
if (message.what == LookupUnknownKeyDialogFragment.MESSAGE_OKAY) {
|
||||
// the result is handled by onActivityResult() as LookupUnknownKeyDialogFragment
|
||||
// starts a new Intent which then returns data
|
||||
} else if (message.what == LookupUnknownKeyDialogFragment.MESSAGE_CANCEL) {
|
||||
// decrypt again, but don't lookup unknown keys!
|
||||
mLookupUnknownKey = false;
|
||||
decryptStart();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Create a new Messenger for the communication back
|
||||
Messenger messenger = new Messenger(returnHandler);
|
||||
|
||||
LookupUnknownKeyDialogFragment lookupKeyDialog = LookupUnknownKeyDialogFragment
|
||||
.newInstance(messenger, unknownKeyId);
|
||||
|
||||
lookupKeyDialog.show(getSupportFragmentManager(), "unknownKeyDialog");
|
||||
}
|
||||
|
||||
private void decryptStart() {
|
||||
Log.d(Constants.TAG, "decryptStart");
|
||||
|
||||
// Send all information needed to service to decrypt in other thread
|
||||
Intent intent = new Intent(this, KeychainIntentService.class);
|
||||
|
||||
// fill values for this action
|
||||
Bundle data = new Bundle();
|
||||
|
||||
intent.putExtra(KeychainIntentService.EXTRA_ACTION, KeychainIntentService.ACTION_DECRYPT_VERIFY);
|
||||
|
||||
// choose action based on input: decrypt stream, file or bytes
|
||||
if (mContentUri != null) {
|
||||
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_STREAM);
|
||||
|
||||
data.putParcelable(KeychainIntentService.ENCRYPT_PROVIDER_URI, mContentUri);
|
||||
} else if (mDecryptTarget == Id.target.file) {
|
||||
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_FILE);
|
||||
|
||||
Log.d(Constants.TAG, "mInputFilename=" + mInputFilename + ", mOutputFilename="
|
||||
+ mOutputFilename);
|
||||
|
||||
data.putString(KeychainIntentService.ENCRYPT_INPUT_FILE, mInputFilename);
|
||||
data.putString(KeychainIntentService.ENCRYPT_OUTPUT_FILE, mOutputFilename);
|
||||
} else {
|
||||
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_BYTES);
|
||||
|
||||
if (mDataBytes != null) {
|
||||
data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES, mDataBytes);
|
||||
} else {
|
||||
String message = mMessage.getText().toString();
|
||||
data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES, message.getBytes());
|
||||
}
|
||||
}
|
||||
|
||||
data.putLong(KeychainIntentService.ENCRYPT_SECRET_KEY_ID, mSecretKeyId);
|
||||
|
||||
data.putBoolean(KeychainIntentService.DECRYPT_SIGNED_ONLY, mSignedOnly);
|
||||
data.putBoolean(KeychainIntentService.DECRYPT_LOOKUP_UNKNOWN_KEY, mLookupUnknownKey);
|
||||
data.putBoolean(KeychainIntentService.DECRYPT_RETURN_BYTES, mReturnBinary);
|
||||
data.putBoolean(KeychainIntentService.DECRYPT_ASSUME_SYMMETRIC, mAssumeSymmetricEncryption);
|
||||
|
||||
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
|
||||
|
||||
// Message is received after encrypting is done in ApgService
|
||||
KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
|
||||
R.string.progress_decrypting, ProgressDialog.STYLE_HORIZONTAL) {
|
||||
public void handleMessage(Message message) {
|
||||
// handle messages by standard ApgHandler first
|
||||
super.handleMessage(message);
|
||||
|
||||
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
|
||||
// get returned data bundle
|
||||
Bundle returnData = message.getData();
|
||||
|
||||
// if key is unknown show lookup dialog
|
||||
if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE_LOOKUP_KEY)
|
||||
&& mLookupUnknownKey) {
|
||||
mUnknownSignatureKeyId = returnData
|
||||
.getLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID);
|
||||
lookupUnknownKey(mUnknownSignatureKeyId);
|
||||
return;
|
||||
}
|
||||
|
||||
mSignatureKeyId = 0;
|
||||
mSignatureLayout.setVisibility(View.GONE);
|
||||
mReplyEnabled = false;
|
||||
|
||||
// build new action bar
|
||||
invalidateOptionsMenu();
|
||||
|
||||
Toast.makeText(DecryptActivity.this, R.string.decryptionSuccessful,
|
||||
Toast.LENGTH_SHORT).show();
|
||||
if (mReturnResult) {
|
||||
Intent intent = new Intent();
|
||||
intent.putExtras(returnData);
|
||||
setResult(RESULT_OK, intent);
|
||||
finish();
|
||||
return;
|
||||
}
|
||||
|
||||
switch (mDecryptTarget) {
|
||||
case Id.target.message:
|
||||
String decryptedMessage = returnData
|
||||
.getString(KeychainIntentService.RESULT_DECRYPTED_STRING);
|
||||
mMessage.setText(decryptedMessage);
|
||||
mMessage.setHorizontallyScrolling(false);
|
||||
mReplyEnabled = false;
|
||||
|
||||
// build new action bar
|
||||
invalidateOptionsMenu();
|
||||
break;
|
||||
|
||||
case Id.target.file:
|
||||
if (mDeleteAfter.isChecked()) {
|
||||
// Create and show dialog to delete original file
|
||||
DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment
|
||||
.newInstance(mInputFilename);
|
||||
deleteFileDialog.show(getSupportFragmentManager(), "deleteDialog");
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
// shouldn't happen
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE)) {
|
||||
String userId = returnData
|
||||
.getString(KeychainIntentService.RESULT_SIGNATURE_USER_ID);
|
||||
mSignatureKeyId = returnData
|
||||
.getLong(KeychainIntentService.RESULT_SIGNATURE_KEY_ID);
|
||||
mUserIdRest
|
||||
.setText("id: " + PgpHelper.getSmallFingerPrint(mSignatureKeyId));
|
||||
if (userId == null) {
|
||||
userId = getResources().getString(R.string.unknownUserId);
|
||||
}
|
||||
String chunks[] = userId.split(" <", 2);
|
||||
userId = chunks[0];
|
||||
if (chunks.length > 1) {
|
||||
mUserIdRest.setText("<" + chunks[1]);
|
||||
}
|
||||
mUserId.setText(userId);
|
||||
|
||||
if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE_SUCCESS)) {
|
||||
mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
|
||||
} else if (returnData.getBoolean(KeychainIntentService.RESULT_SIGNATURE_UNKNOWN)) {
|
||||
mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
|
||||
Toast.makeText(DecryptActivity.this,
|
||||
R.string.unknownSignatureKeyTouchToLookUp, Toast.LENGTH_LONG)
|
||||
.show();
|
||||
} else {
|
||||
mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
|
||||
}
|
||||
mSignatureLayout.setVisibility(View.VISIBLE);
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
// Create a new Messenger for the communication back
|
||||
Messenger messenger = new Messenger(saveHandler);
|
||||
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
|
||||
|
||||
// show progress dialog
|
||||
saveHandler.showProgressDialog(this);
|
||||
|
||||
// start service with intent
|
||||
startService(intent);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
|
||||
switch (requestCode) {
|
||||
case Id.request.filename: {
|
||||
if (resultCode == RESULT_OK && data != null) {
|
||||
try {
|
||||
String path = FileHelper.getPath(this, data.getData());
|
||||
Log.d(Constants.TAG, "path=" + path);
|
||||
|
||||
mFilename.setText(path);
|
||||
} catch (NullPointerException e) {
|
||||
Log.e(Constants.TAG, "Nullpointer while retrieving path!");
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
case Id.request.output_filename: {
|
||||
if (resultCode == RESULT_OK && data != null) {
|
||||
try {
|
||||
String path = data.getData().getPath();
|
||||
Log.d(Constants.TAG, "path=" + path);
|
||||
|
||||
mFileDialog.setFilename(path);
|
||||
} catch (NullPointerException e) {
|
||||
Log.e(Constants.TAG, "Nullpointer while retrieving path!");
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// this request is returned after LookupUnknownKeyDialogFragment started
|
||||
// KeyServerQueryActivity and user looked uo key
|
||||
case Id.request.look_up_key_id: {
|
||||
Log.d(Constants.TAG, "Returning from Lookup Key...");
|
||||
// decrypt again without lookup
|
||||
mLookupUnknownKey = false;
|
||||
decryptStart();
|
||||
return;
|
||||
}
|
||||
|
||||
default: {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
super.onActivityResult(requestCode, resultCode, data);
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user