/*
* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.thialfihar.android.apg;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SignatureException;
import java.util.Vector;
import org.bouncycastle2.openpgp.PGPException;
import org.bouncycastle2.openpgp.PGPPublicKey;
import org.bouncycastle2.openpgp.PGPPublicKeyRing;
import org.bouncycastle2.openpgp.PGPSecretKey;
import org.bouncycastle2.openpgp.PGPSecretKeyRing;
import org.thialfihar.android.apg.provider.DataProvider;
import org.thialfihar.android.apg.utils.Choice;
import android.app.Dialog;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.text.ClipboardManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.AnimationUtils;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ViewFlipper;
public class EncryptActivity extends BaseActivity {
private Intent mIntent = null;
private String mSubject = null;
private String mSendTo = null;
private long mEncryptionKeyIds[] = null;
private boolean mReturnResult = false;
private EditText mMessage = null;
private Button mSelectKeysButton = null;
private Button mEncryptButton = null;
private Button mEncryptToClipboardButton = null;
private CheckBox mSign = null;
private TextView mMainUserId = null;
private TextView mMainUserIdRest = null;
private ViewFlipper mSource = null;
private TextView mSourceLabel = null;
private ImageView mSourcePrevious = null;
private ImageView mSourceNext = null;
private ViewFlipper mMode = null;
private TextView mModeLabel = null;
private ImageView mModePrevious = null;
private ImageView mModeNext = null;
private int mEncryptTarget;
private EditText mPassPhrase = null;
private EditText mPassPhraseAgain = null;
private CheckBox mAsciiArmour = null;
private Spinner mFileCompression = null;
private EditText mFilename = null;
private CheckBox mDeleteAfter = null;
private ImageButton mBrowse = null;
private String mInputFilename = null;
private String mOutputFilename = null;
private boolean mAsciiArmourDemand = false;
private boolean mOverrideAsciiArmour = false;
private Uri mContentUri = null;
private byte[] mData = null;
private DataSource mDataSource = null;
private DataDestination mDataDestination = null;
private boolean mGenerateSignature = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.encrypt);
mGenerateSignature = false;
mSource = (ViewFlipper) findViewById(R.id.source);
mSourceLabel = (TextView) findViewById(R.id.sourceLabel);
mSourcePrevious = (ImageView) findViewById(R.id.sourcePrevious);
mSourceNext = (ImageView) findViewById(R.id.sourceNext);
mSourcePrevious.setClickable(true);
mSourcePrevious.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mSource.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_right_in));
mSource.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_right_out));
mSource.showPrevious();
updateSource();
}
});
mSourceNext.setClickable(true);
OnClickListener nextSourceClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
mSource.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_left_in));
mSource.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_left_out));
mSource.showNext();
updateSource();
}
};
mSourceNext.setOnClickListener(nextSourceClickListener);
mSourceLabel.setClickable(true);
mSourceLabel.setOnClickListener(nextSourceClickListener);
mMode = (ViewFlipper) findViewById(R.id.mode);
mModeLabel = (TextView) findViewById(R.id.modeLabel);
mModePrevious = (ImageView) findViewById(R.id.modePrevious);
mModeNext = (ImageView) findViewById(R.id.modeNext);
mModePrevious.setClickable(true);
mModePrevious.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mMode.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_right_in));
mMode.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_right_out));
mMode.showPrevious();
updateMode();
}
});
OnClickListener nextModeClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
mMode.setInAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_left_in));
mMode.setOutAnimation(AnimationUtils.loadAnimation(EncryptActivity.this,
R.anim.push_left_out));
mMode.showNext();
updateMode();
}
};
mModeNext.setOnClickListener(nextModeClickListener);
mModeLabel.setClickable(true);
mModeLabel.setOnClickListener(nextModeClickListener);
mMessage = (EditText) findViewById(R.id.message);
mSelectKeysButton = (Button) findViewById(R.id.btn_selectEncryptKeys);
mEncryptButton = (Button) findViewById(R.id.btn_encrypt);
mEncryptToClipboardButton = (Button) findViewById(R.id.btn_encryptToClipboard);
mSign = (CheckBox) findViewById(R.id.sign);
mMainUserId = (TextView) findViewById(R.id.mainUserId);
mMainUserIdRest = (TextView) findViewById(R.id.mainUserIdRest);
mPassPhrase = (EditText) findViewById(R.id.passPhrase);
mPassPhraseAgain = (EditText) findViewById(R.id.passPhraseAgain);
// measure the height of the source_file view and set the message view's min height to that,
// so it fills mSource fully... bit of a hack.
View tmp = findViewById(R.id.sourceFile);
tmp.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
int height = tmp.getMeasuredHeight();
mMessage.setMinimumHeight(height);
mFilename = (EditText) findViewById(R.id.filename);
mBrowse = (ImageButton) findViewById(R.id.btn_browse);
mBrowse.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openFile();
}
});
mFileCompression = (Spinner) findViewById(R.id.fileCompression);
Choice[] choices = new Choice[] {
new Choice(Id.choice.compression.none, getString(R.string.choice_none) +
" (" + getString(R.string.fast) + ")"),
new Choice(Id.choice.compression.zip, "ZIP (" + getString(R.string.fast) + ")"),
new Choice(Id.choice.compression.zlib, "ZLIB (" + getString(R.string.fast) + ")"),
new Choice(Id.choice.compression.bzip2, "BZIP2 (" + getString(R.string.very_slow) + ")"),
};
ArrayAdapter<Choice> adapter =
new ArrayAdapter<Choice>(this, android.R.layout.simple_spinner_item, choices);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mFileCompression.setAdapter(adapter);
int defaultFileCompression = mPreferences.getDefaultFileCompression();
for (int i = 0; i < choices.length; ++i) {
if (choices[i].getId() == defaultFileCompression) {
mFileCompression.setSelection(i);
break;
}
}
mDeleteAfter = (CheckBox) findViewById(R.id.deleteAfterEncryption);
mAsciiArmour = (CheckBox) findViewById(R.id.asciiArmour);
mAsciiArmour.setChecked(mPreferences.getDefaultAsciiArmour());
mAsciiArmour.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
guessOutputFilename();
}
});
mEncryptToClipboardButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
encryptToClipboardClicked();
}
});
mEncryptButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
encryptClicked();
}
});
mSelectKeysButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
selectPublicKeys();
}
});
mSign.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
CheckBox checkBox = (CheckBox) v;
if (checkBox.isChecked()) {
selectSecretKey();
} else {
setSecretKeyId(Id.key.none);
updateView();
}
}
});
mIntent = getIntent();
if (Apg.Intent.ENCRYPT.equals(mIntent.getAction()) ||
Apg.Intent.ENCRYPT_FILE.equals(mIntent.getAction()) ||
Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) ||
Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) {
mContentUri = mIntent.getData();
Bundle extras = mIntent.getExtras();
if (extras == null) {
extras = new Bundle();
}
if (Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) ||
Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) {
mReturnResult = true;
}
if (Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) {
mGenerateSignature = true;
mOverrideAsciiArmour = true;
mAsciiArmourDemand = false;
}
if (extras.containsKey(Apg.EXTRA_ASCII_ARMOUR)) {
mAsciiArmourDemand = extras.getBoolean(Apg.EXTRA_ASCII_ARMOUR, true);
mOverrideAsciiArmour = true;
mAsciiArmour.setChecked(mAsciiArmourDemand);
}
mData = extras.getByteArray(Apg.EXTRA_DATA);
String textData = null;
if (mData == null) {
textData = extras.getString(Apg.EXTRA_TEXT);
}
mSendTo = extras.getString(Apg.EXTRA_SEND_TO);
mSubject = extras.getString(Apg.EXTRA_SUBJECT);
long signatureKeyId = extras.getLong(Apg.EXTRA_SIGNATURE_KEY_ID);
long encryptionKeyIds[] = extras.getLongArray(Apg.EXTRA_ENCRYPTION_KEY_IDS);
if (signatureKeyId != 0) {
PGPSecretKeyRing keyRing = Apg.getSecretKeyRing(signatureKeyId);
PGPSecretKey masterKey = null;
if (keyRing != null) {
masterKey = Apg.getMasterKey(keyRing);
if (masterKey != null) {
Vector<PGPSecretKey> signKeys = Apg.getUsableSigningKeys(keyRing);
if (signKeys.size() > 0) {
setSecretKeyId(masterKey.getKeyID());
}
}
}
}
if (encryptionKeyIds != null) {
Vector<Long> goodIds = new Vector<Long>();
for (int i = 0; i < encryptionKeyIds.length; ++i) {
PGPPublicKeyRing keyRing = Apg.getPublicKeyRing(encryptionKeyIds[i]);
PGPPublicKey masterKey = null;
if (keyRing == null) {
continue;
}
masterKey = Apg.getMasterKey(keyRing);
if (masterKey == null) {
continue;
}
Vector<PGPPublicKey> encryptKeys = Apg.getUsableEncryptKeys(keyRing);
if (encryptKeys.size() == 0) {
continue;
}
goodIds.add(masterKey.getKeyID());
}
if (goodIds.size() > 0) {
mEncryptionKeyIds = new long[goodIds.size()];
for (int i = 0; i < goodIds.size(); ++i) {
mEncryptionKeyIds[i] = goodIds.get(i);
}
}
}
if (Apg.Intent.ENCRYPT.equals(mIntent.getAction()) ||
Apg.Intent.ENCRYPT_AND_RETURN.equals(mIntent.getAction()) ||
Apg.Intent.GENERATE_SIGNATURE.equals(mIntent.getAction())) {
if (textData != null) {
mMessage.setText(textData);
}
mSource.setInAnimation(null);
mSource.setOutAnimation(null);
while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
mSource.showNext();
}
} else if (Apg.Intent.ENCRYPT_FILE.equals(mIntent.getAction())) {
if ("file".equals(mIntent.getScheme())) {
mInputFilename = Uri.decode(mIntent.getDataString().replace("file://", ""));
mFilename.setText(mInputFilename);
guessOutputFilename();
}
mSource.setInAnimation(null);
mSource.setOutAnimation(null);
while (mSource.getCurrentView().getId() != R.id.sourceFile) {
mSource.showNext();
}
}
}
updateView();
updateSource();
updateMode();
if (mReturnResult) {
mSourcePrevious.setClickable(false);
mSourcePrevious.setEnabled(false);
mSourcePrevious.setVisibility(View.INVISIBLE);
mSourceNext.setClickable(false);
mSourceNext.setEnabled(false);
mSourceNext.setVisibility(View.INVISIBLE);
mSourceLabel.setClickable(false);
mSourceLabel.setEnabled(false);
}
updateButtons();
if (mReturnResult &&
(mMessage.getText().length() > 0 || mData != null || mContentUri != null) &&
((mEncryptionKeyIds != null &&
mEncryptionKeyIds.length > 0) ||
getSecretKeyId() != 0)) {
encryptClicked();
}
}
private void openFile() {
String filename = mFilename.getText().toString();
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setData(Uri.parse("file://" + filename));
intent.setType("*/*");
try {
startActivityForResult(intent, Id.request.filename);
} catch (ActivityNotFoundException e) {
// No compatible file manager was found.
Toast.makeText(this, R.string.noFilemanagerInstalled, Toast.LENGTH_SHORT).show();
}
}
private void guessOutputFilename() {
mInputFilename = mFilename.getText().toString();
File file = new File(mInputFilename);
String ending = (mAsciiArmour.isChecked() ? ".asc" : ".gpg");
mOutputFilename = Constants.path.app_dir + "/" + file.getName() + ending;
}
private void updateSource() {
switch (mSource.getCurrentView().getId()) {
case R.id.sourceFile: {
mSourceLabel.setText(R.string.label_file);
break;
}
case R.id.sourceMessage: {
mSourceLabel.setText(R.string.label_message);
break;
}
default: {
break;
}
}
updateButtons();
}
private void updateButtons() {
switch (mSource.getCurrentView().getId()) {
case R.id.sourceFile: {
mEncryptToClipboardButton.setVisibility(View.INVISIBLE);
mEncryptButton.setText(R.string.btn_encrypt);
break;
}
case R.id.sourceMessage: {
mSourceLabel.setText(R.string.label_message);
if (mReturnResult) {
mEncryptToClipboardButton.setVisibility(View.INVISIBLE);
} else {
mEncryptToClipboardButton.setVisibility(View.VISIBLE);
}
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
if (mReturnResult) {
mEncryptButton.setText(R.string.btn_encrypt);
} else {
mEncryptButton.setText(R.string.btn_encryptAndEmail);
}
mEncryptButton.setEnabled(true);
mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard);
mEncryptToClipboardButton.setEnabled(true);
} else {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
if (getSecretKeyId() == 0) {
if (mReturnResult) {
mEncryptButton.setText(R.string.btn_encrypt);
} else {
mEncryptButton.setText(R.string.btn_encryptAndEmail);
}
mEncryptButton.setEnabled(false);
mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard);
mEncryptToClipboardButton.setEnabled(false);
} else {
if (mReturnResult) {
mEncryptButton.setText(R.string.btn_sign);
} else {
mEncryptButton.setText(R.string.btn_signAndEmail);
}
mEncryptButton.setEnabled(true);
mEncryptToClipboardButton.setText(R.string.btn_signToClipboard);
mEncryptToClipboardButton.setEnabled(true);
}
} else {
if (mReturnResult) {
mEncryptButton.setText(R.string.btn_encrypt);
} else {
mEncryptButton.setText(R.string.btn_encryptAndEmail);
}
mEncryptButton.setEnabled(true);
mEncryptToClipboardButton.setText(R.string.btn_encryptToClipboard);
mEncryptToClipboardButton.setEnabled(true);
}
}
break;
}
default: {
break;
}
}
}
private void updateMode() {
switch (mMode.getCurrentView().getId()) {
case R.id.modeAsymmetric: {
mModeLabel.setText(R.string.label_asymmetric);
break;
}
case R.id.modeSymmetric: {
mModeLabel.setText(R.string.label_symmetric);
break;
}
default: {
break;
}
}
updateButtons();
}
private void encryptToClipboardClicked() {
mEncryptTarget = Id.target.clipboard;
initiateEncryption();
}
private void encryptClicked() {
if (mSource.getCurrentView().getId() == R.id.sourceFile) {
mEncryptTarget = Id.target.file;
} else {
mEncryptTarget = Id.target.email;
}
initiateEncryption();
}
private void initiateEncryption() {
if (mEncryptTarget == 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("content")) {
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;
}
}
}
// symmetric encryption
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
boolean gotPassPhrase = false;
String passPhrase = mPassPhrase.getText().toString();
String passPhraseAgain = mPassPhraseAgain.getText().toString();
if (!passPhrase.equals(passPhraseAgain)) {
Toast.makeText(this, R.string.passPhrasesDoNotMatch, Toast.LENGTH_SHORT).show();
return;
}
gotPassPhrase = (passPhrase.length() != 0);
if (!gotPassPhrase) {
Toast.makeText(this, R.string.passPhraseMustNotBeEmpty, Toast.LENGTH_SHORT).show();
return;
}
} else {
boolean encryptIt = (mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0);
// for now require at least one form of encryption for files
if (!encryptIt && mEncryptTarget == Id.target.file) {
Toast.makeText(this, R.string.selectEncryptionKey, Toast.LENGTH_SHORT).show();
return;
}
if (!encryptIt && getSecretKeyId() == 0) {
Toast.makeText(this, R.string.selectEncryptionOrSignatureKey,
Toast.LENGTH_SHORT).show();
return;
}
if (getSecretKeyId() != 0 && Apg.getCachedPassPhrase(getSecretKeyId()) == null) {
showDialog(Id.dialog.pass_phrase);
return;
}
}
if (mEncryptTarget == Id.target.file) {
askForOutputFilename();
} else {
encryptStart();
}
}
private void askForOutputFilename() {
showDialog(Id.dialog.output_filename);
}
@Override
public void passPhraseCallback(long keyId, String passPhrase) {
super.passPhraseCallback(keyId, passPhrase);
if (mEncryptTarget == Id.target.file) {
askForOutputFilename();
} else {
encryptStart();
}
}
private void encryptStart() {
showDialog(Id.dialog.encrypting);
startThread();
}
@Override
public void run() {
String error = null;
Bundle data = new Bundle();
Message msg = new Message();
try {
InputData in;
OutputStream out;
boolean useAsciiArmour = true;
long encryptionKeyIds[] = null;
long signatureKeyId = 0;
int compressionId = 0;
boolean signOnly = false;
String passPhrase = null;
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
passPhrase = mPassPhrase.getText().toString();
if (passPhrase.length() == 0) {
passPhrase = null;
}
} else {
encryptionKeyIds = mEncryptionKeyIds;
signatureKeyId = getSecretKeyId();
signOnly = (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0);
}
fillDataSource(signOnly && !mReturnResult);
fillDataDestination();
// streams
in = mDataSource.getInputData(this, true);
out = mDataDestination.getOutputStream(this);
if (mEncryptTarget == Id.target.file) {
useAsciiArmour = mAsciiArmour.isChecked();
compressionId = ((Choice) mFileCompression.getSelectedItem()).getId();
} else {
useAsciiArmour = true;
compressionId = mPreferences.getDefaultMessageCompression();
}
if (mOverrideAsciiArmour) {
useAsciiArmour = mAsciiArmourDemand;
}
if (mGenerateSignature) {
Apg.generateSignature(this, in, out, useAsciiArmour, mDataSource.isBinary(),
getSecretKeyId(),
Apg.getCachedPassPhrase(getSecretKeyId()),
mPreferences.getDefaultHashAlgorithm(),
mPreferences.getForceV3Signatures(),
this);
} else if (signOnly) {
Apg.signText(this, in, out, getSecretKeyId(),
Apg.getCachedPassPhrase(getSecretKeyId()),
mPreferences.getDefaultHashAlgorithm(),
mPreferences.getForceV3Signatures(),
this);
} else {
Apg.encrypt(this, in, out, useAsciiArmour,
encryptionKeyIds, signatureKeyId,
Apg.getCachedPassPhrase(signatureKeyId), this,
mPreferences.getDefaultEncryptionAlgorithm(),
mPreferences.getDefaultHashAlgorithm(),
compressionId,
mPreferences.getForceV3Signatures(),
passPhrase);
}
out.close();
if (mEncryptTarget != Id.target.file) {
if(out instanceof ByteArrayOutputStream) {
if (useAsciiArmour) {
String extraData = new String(((ByteArrayOutputStream)out).toByteArray());
if (mGenerateSignature) {
data.putString(Apg.EXTRA_SIGNATURE_TEXT, extraData);
} else {
data.putString(Apg.EXTRA_ENCRYPTED_MESSAGE, extraData);
}
} else {
byte extraData[] = ((ByteArrayOutputStream)out).toByteArray();
if (mGenerateSignature) {
data.putByteArray(Apg.EXTRA_SIGNATURE_DATA, extraData);
} else {
data.putByteArray(Apg.EXTRA_ENCRYPTED_DATA, extraData);
}
}
} else if(out instanceof FileOutputStream) {
String fileName = mDataDestination.getStreamFilename();
String uri = "content://" + DataProvider.AUTHORITY + "/data/" + fileName;
data.putString(Apg.EXTRA_RESULT_URI, uri);
} else {
throw new Apg.GeneralException("No output-data found.");
}
}
} catch (IOException e) {
error = "" + e;
} catch (PGPException e) {
error = "" + e;
} catch (NoSuchProviderException e) {
error = "" + e;
} catch (NoSuchAlgorithmException e) {
error = "" + e;
} catch (SignatureException e) {
error = "" + e;
} catch (Apg.GeneralException e) {
error = "" + e;
}
data.putInt(Constants.extras.status, Id.message.done);
if (error != null) {
data.putString(Apg.EXTRA_ERROR, error);
}
msg.setData(data);
sendMessage(msg);
}
private void updateView() {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
mSelectKeysButton.setText(R.string.noKeysSelected);
} else if (mEncryptionKeyIds.length == 1) {
mSelectKeysButton.setText(R.string.oneKeySelected);
} else {
mSelectKeysButton.setText("" + mEncryptionKeyIds.length + " " +
getResources().getString(R.string.nKeysSelected));
}
if (getSecretKeyId() == 0) {
mSign.setChecked(false);
mMainUserId.setText("");
mMainUserIdRest.setText("");
} else {
String uid = getResources().getString(R.string.unknownUserId);
String uidExtra = "";
PGPSecretKeyRing keyRing = Apg.getSecretKeyRing(getSecretKeyId());
if (keyRing != null) {
PGPSecretKey key = Apg.getMasterKey(keyRing);
if (key != null) {
String userId = Apg.getMainUserIdSafe(this, key);
String chunks[] = userId.split(" <", 2);
uid = chunks[0];
if (chunks.length > 1) {
uidExtra = "<" + chunks[1];
}
}
}
mMainUserId.setText(uid);
mMainUserIdRest.setText(uidExtra);
mSign.setChecked(true);
}
updateButtons();
}
private void selectPublicKeys() {
Intent intent = new Intent(this, SelectPublicKeyListActivity.class);
Vector<Long> keyIds = new Vector<Long>();
if (getSecretKeyId() != 0) {
keyIds.add(getSecretKeyId());
}
if (mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0) {
for (int i = 0; i < mEncryptionKeyIds.length; ++i) {
keyIds.add(mEncryptionKeyIds[i]);
}
}
long [] initialKeyIds = null;
if (keyIds.size() > 0) {
initialKeyIds = new long[keyIds.size()];
for (int i = 0; i < keyIds.size(); ++i) {
initialKeyIds[i] = keyIds.get(i);
}
}
intent.putExtra(Apg.EXTRA_SELECTION, initialKeyIds);
startActivityForResult(intent, Id.request.public_keys);
}
private void selectSecretKey() {
Intent intent = new Intent(this, SelectSecretKeyListActivity.class);
startActivityForResult(intent, Id.request.secret_keys);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case Id.request.filename: {
if (resultCode == RESULT_OK && data != null) {
String filename = data.getDataString();
if (filename != null) {
// Get rid of URI prefix:
if (filename.startsWith("file://")) {
filename = filename.substring(7);
}
// replace %20 and so on
filename = Uri.decode(filename);
mFilename.setText(filename);
}
}
return;
}
case Id.request.output_filename: {
if (resultCode == RESULT_OK && data != null) {
String filename = data.getDataString();
if (filename != null) {
// Get rid of URI prefix:
if (filename.startsWith("file://")) {
filename = filename.substring(7);
}
// replace %20 and so on
filename = Uri.decode(filename);
FileDialog.setFilename(filename);
}
}
return;
}
case Id.request.secret_keys: {
if (resultCode == RESULT_OK) {
super.onActivityResult(requestCode, resultCode, data);
}
updateView();
break;
}
case Id.request.public_keys: {
if (resultCode == RESULT_OK) {
Bundle bundle = data.getExtras();
mEncryptionKeyIds = bundle.getLongArray(Apg.EXTRA_SELECTION);
}
updateView();
break;
}
default: {
break;
}
}
super.onActivityResult(requestCode, resultCode, data);
}
@Override
public void doneCallback(Message msg) {
super.doneCallback(msg);
removeDialog(Id.dialog.encrypting);
Bundle data = msg.getData();
String error = data.getString(Apg.EXTRA_ERROR);
if (error != null) {
Toast.makeText(this, getString(R.string.errorMessage, error), Toast.LENGTH_SHORT).show();
return;
}
switch (mEncryptTarget) {
case Id.target.clipboard: {
String message = data.getString(Apg.EXTRA_ENCRYPTED_MESSAGE);
ClipboardManager clip = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clip.setText(message);
Toast.makeText(this, R.string.encryptionToClipboardSuccessful,
Toast.LENGTH_SHORT).show();
break;
}
case Id.target.email: {
if (mReturnResult) {
Intent intent = new Intent();
intent.putExtras(data);
setResult(RESULT_OK, intent);
finish();
return;
}
String message = data.getString(Apg.EXTRA_ENCRYPTED_MESSAGE);
Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
emailIntent.setType("text/plain; charset=utf-8");
emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, message);
if (mSubject != null) {
emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,
mSubject);
}
if (mSendTo != null) {
emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL,
new String[] { mSendTo });
}
EncryptActivity.this.
startActivity(Intent.createChooser(emailIntent,
getString(R.string.title_sendEmail)));
break;
}
case Id.target.file: {
Toast.makeText(this, R.string.encryptionSuccessful, Toast.LENGTH_SHORT).show();
if (mDeleteAfter.isChecked()) {
setDeleteFile(mInputFilename);
showDialog(Id.dialog.delete_file);
}
break;
}
default: {
// shouldn't happen
break;
}
}
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case Id.dialog.output_filename: {
return FileDialog.build(this, getString(R.string.title_encryptToFile),
getString(R.string.specifyFileToEncryptTo),
mOutputFilename,
new FileDialog.OnClickListener() {
@Override
public void onOkClick(String filename, boolean checked) {
removeDialog(Id.dialog.output_filename);
mOutputFilename = filename;
encryptStart();
}
@Override
public void onCancelClick() {
removeDialog(Id.dialog.output_filename);
}
},
getString(R.string.filemanager_titleSave),
getString(R.string.filemanager_btnSave),
null,
Id.request.output_filename);
}
default: {
break;
}
}
return super.onCreateDialog(id);
}
protected void fillDataSource(boolean fixContent) {
mDataSource = new DataSource();
if (mContentUri != null) {
mDataSource.setUri(mContentUri);
} else if (mEncryptTarget == Id.target.file) {
mDataSource.setUri(mInputFilename);
} else {
if (mData != null) {
mDataSource.setData(mData);
} else {
String message = mMessage.getText().toString();
if (fixContent) {
// fix the message a bit, trailing spaces and newlines break stuff,
// because GMail sends as HTML and such things fuck up the
// signature,
// TODO: things like "<" and ">" also fuck up the signature
message = message.replaceAll(" +\n", "\n");
message = message.replaceAll("\n\n+", "\n\n");
message = message.replaceFirst("^\n+", "");
// make sure there'll be exactly one newline at the end
message = message.replaceFirst("\n*$", "\n");
}
mDataSource.setText(message);
}
}
}
protected void fillDataDestination() {
mDataDestination = new DataDestination();
if (mContentUri != null) {
mDataDestination.setMode(Id.mode.stream);
} else if (mEncryptTarget == Id.target.file) {
mDataDestination.setFilename(mOutputFilename);
mDataDestination.setMode(Id.mode.file);
} else {
mDataDestination.setMode(Id.mode.byte_array);
}
}
}