1069 lines
40 KiB
Java
1069 lines
40 KiB
Java
/*
|
|
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
* 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.ui;
|
|
|
|
import org.spongycastle.openpgp.PGPPublicKey;
|
|
import org.spongycastle.openpgp.PGPPublicKeyRing;
|
|
import org.spongycastle.openpgp.PGPSecretKey;
|
|
import org.spongycastle.openpgp.PGPSecretKeyRing;
|
|
import org.thialfihar.android.apg.Constants;
|
|
import org.thialfihar.android.apg.Id;
|
|
import org.thialfihar.android.apg.helper.FileHelper;
|
|
import org.thialfihar.android.apg.helper.OtherHelper;
|
|
import org.thialfihar.android.apg.helper.PGPHelper;
|
|
import org.thialfihar.android.apg.helper.PGPMain;
|
|
import org.thialfihar.android.apg.helper.Preferences;
|
|
import org.thialfihar.android.apg.provider.ProviderHelper;
|
|
import org.thialfihar.android.apg.service.ApgServiceHandler;
|
|
import org.thialfihar.android.apg.service.ApgService;
|
|
import org.thialfihar.android.apg.service.PassphraseCacheService;
|
|
import org.thialfihar.android.apg.ui.dialog.DeleteFileDialogFragment;
|
|
import org.thialfihar.android.apg.ui.dialog.FileDialogFragment;
|
|
import org.thialfihar.android.apg.ui.dialog.PassphraseDialogFragment;
|
|
import org.thialfihar.android.apg.util.Choice;
|
|
import org.thialfihar.android.apg.util.Compatibility;
|
|
import org.thialfihar.android.apg.R;
|
|
|
|
import com.actionbarsherlock.app.SherlockFragmentActivity;
|
|
import com.actionbarsherlock.view.Menu;
|
|
import com.actionbarsherlock.view.MenuItem;
|
|
|
|
import android.app.ProgressDialog;
|
|
import android.content.Intent;
|
|
import android.net.Uri;
|
|
import android.os.Bundle;
|
|
import android.os.Handler;
|
|
import android.os.Message;
|
|
import android.os.Messenger;
|
|
import org.thialfihar.android.apg.util.Log;
|
|
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;
|
|
|
|
import java.io.File;
|
|
import java.util.Vector;
|
|
|
|
public class EncryptActivity extends SherlockFragmentActivity {
|
|
|
|
// possible intent actions for this activity
|
|
public static final String ACTION_ENCRYPT = Constants.INTENT_PREFIX + "ENCRYPT";
|
|
public static final String ACTION_ENCRYPT_FILE = Constants.INTENT_PREFIX + "ENCRYPT_FILE";
|
|
public static final String ACTION_ENCRYPT_AND_RETURN = Constants.INTENT_PREFIX
|
|
+ "ENCRYPT_AND_RETURN";
|
|
public static final String ACTION_GENERATE_SIGNATURE = Constants.INTENT_PREFIX
|
|
+ "GENERATE_SIGNATURE";
|
|
|
|
// possible extra keys
|
|
public static final String EXTRA_TEXT = "text";
|
|
public static final String EXTRA_DATA = "data";
|
|
public static final String EXTRA_ASCII_ARMOUR = "asciiArmour";
|
|
public static final String EXTRA_SEND_TO = "sendTo";
|
|
public static final String EXTRA_SUBJECT = "subject";
|
|
public static final String EXTRA_SIGNATURE_KEY_ID = "signatureKeyId";
|
|
public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryptionKeyIds";
|
|
|
|
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 boolean mEncryptEnabled = false;
|
|
private String mEncryptString = "";
|
|
private boolean mEncryptToClipboardEnabled = false;
|
|
private String mEncryptToClipboardString = "";
|
|
|
|
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 boolean mGenerateSignature = false;
|
|
|
|
private long mSecretKeyId = Id.key.none;
|
|
|
|
private FileDialogFragment mFileDialog;
|
|
|
|
public void setSecretKeyId(long id) {
|
|
mSecretKeyId = id;
|
|
}
|
|
|
|
public long getSecretKeyId() {
|
|
return mSecretKeyId;
|
|
}
|
|
|
|
/**
|
|
* ActionBar menu is created based on class variables to change it at runtime
|
|
*
|
|
*/
|
|
@Override
|
|
public boolean onCreateOptionsMenu(Menu menu) {
|
|
if (mEncryptToClipboardEnabled) {
|
|
menu.add(1, Id.menu.option.encrypt_to_clipboard, 0, mEncryptToClipboardString)
|
|
.setShowAsAction(
|
|
MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
|
|
}
|
|
if (mEncryptEnabled) {
|
|
menu.add(1, Id.menu.option.encrypt, 1, mEncryptString).setShowAsAction(
|
|
MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onOptionsItemSelected(MenuItem item) {
|
|
switch (item.getItemId()) {
|
|
|
|
case android.R.id.home:
|
|
// app icon in Action Bar clicked; go home
|
|
Intent intent = new Intent(this, MainActivity.class);
|
|
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
|
|
startActivity(intent);
|
|
return true;
|
|
|
|
case Id.menu.option.encrypt_to_clipboard:
|
|
encryptToClipboardClicked();
|
|
|
|
return true;
|
|
|
|
case Id.menu.option.encrypt:
|
|
encryptClicked();
|
|
|
|
return true;
|
|
|
|
default:
|
|
return super.onOptionsItemSelected(item);
|
|
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onCreate(Bundle savedInstanceState) {
|
|
super.onCreate(savedInstanceState);
|
|
setContentView(R.layout.encrypt);
|
|
|
|
// set actionbar without home button if called from another app
|
|
OtherHelper.setActionBarBackButton(this);
|
|
|
|
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() {
|
|
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() {
|
|
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() {
|
|
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() {
|
|
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);
|
|
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() {
|
|
public void onClick(View v) {
|
|
FileHelper.openFile(EncryptActivity.this, mFilename.getText().toString(), "*/*",
|
|
Id.request.filename);
|
|
}
|
|
});
|
|
|
|
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 = Preferences.getPreferences(this).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(Preferences.getPreferences(this).getDefaultAsciiArmour());
|
|
mAsciiArmour.setOnClickListener(new OnClickListener() {
|
|
public void onClick(View view) {
|
|
guessOutputFilename();
|
|
}
|
|
});
|
|
|
|
mSelectKeysButton.setOnClickListener(new OnClickListener() {
|
|
public void onClick(View v) {
|
|
selectPublicKeys();
|
|
}
|
|
});
|
|
|
|
mSign.setOnClickListener(new OnClickListener() {
|
|
public void onClick(View v) {
|
|
CheckBox checkBox = (CheckBox) v;
|
|
if (checkBox.isChecked()) {
|
|
selectSecretKey();
|
|
} else {
|
|
setSecretKeyId(Id.key.none);
|
|
updateView();
|
|
}
|
|
}
|
|
});
|
|
|
|
// Get intent, action and MIME type
|
|
Intent intent = getIntent();
|
|
String action = intent.getAction();
|
|
String type = intent.getType();
|
|
mContentUri = intent.getData();
|
|
|
|
if (Intent.ACTION_SEND.equals(action) && type != null) {
|
|
// Android's Action when sending to APG Encrypt
|
|
|
|
if ("text/plain".equals(type)) {
|
|
// plain text
|
|
String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
|
|
if (sharedText != null) {
|
|
intent.setAction(ACTION_ENCRYPT);
|
|
intent.putExtra(EXTRA_TEXT, sharedText);
|
|
intent.putExtra(EXTRA_ASCII_ARMOUR, true);
|
|
handleActionEncryptSign(intent);
|
|
}
|
|
} else {
|
|
// binary via content provider (could also be files)
|
|
Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
|
|
if (uri != null) {
|
|
mContentUri = uri;
|
|
handleActionEncryptSign(intent);
|
|
}
|
|
}
|
|
} else if (ACTION_ENCRYPT.equals(action) || ACTION_ENCRYPT_FILE.equals(action)
|
|
|| ACTION_ENCRYPT_AND_RETURN.equals(action)
|
|
|| ACTION_GENERATE_SIGNATURE.equals(action)) {
|
|
// APG's own Actions
|
|
|
|
handleActionEncryptSign(intent);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
updateActionBarButtons();
|
|
|
|
if (mReturnResult
|
|
&& (mMessage.getText().length() > 0 || mData != null || mContentUri != null)
|
|
&& ((mEncryptionKeyIds != null && mEncryptionKeyIds.length > 0) || getSecretKeyId() != 0)) {
|
|
encryptClicked();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles all actions with this intent
|
|
*
|
|
* @param intent
|
|
*/
|
|
private void handleActionEncryptSign(Intent intent) {
|
|
String action = intent.getAction();
|
|
Bundle extras = intent.getExtras();
|
|
if (extras == null) {
|
|
extras = new Bundle();
|
|
}
|
|
|
|
if (ACTION_ENCRYPT_AND_RETURN.equals(action) || ACTION_GENERATE_SIGNATURE.equals(action)) {
|
|
mReturnResult = true;
|
|
}
|
|
|
|
if (ACTION_GENERATE_SIGNATURE.equals(action)) {
|
|
mGenerateSignature = true;
|
|
mOverrideAsciiArmour = true;
|
|
mAsciiArmourDemand = false;
|
|
}
|
|
|
|
if (extras.containsKey(EXTRA_ASCII_ARMOUR)) {
|
|
mAsciiArmourDemand = extras.getBoolean(EXTRA_ASCII_ARMOUR, true);
|
|
mOverrideAsciiArmour = true;
|
|
mAsciiArmour.setChecked(mAsciiArmourDemand);
|
|
}
|
|
|
|
mData = extras.getByteArray(EXTRA_DATA);
|
|
String textData = null;
|
|
if (mData == null) {
|
|
textData = extras.getString(EXTRA_TEXT);
|
|
}
|
|
mSendTo = extras.getString(EXTRA_SEND_TO);
|
|
mSubject = extras.getString(EXTRA_SUBJECT);
|
|
long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
|
|
long encryptionKeyIds[] = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
|
|
if (signatureKeyId != 0) {
|
|
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(this, signatureKeyId);
|
|
PGPSecretKey masterKey = null;
|
|
if (keyRing != null) {
|
|
masterKey = PGPHelper.getMasterKey(keyRing);
|
|
if (masterKey != null) {
|
|
Vector<PGPSecretKey> signKeys = PGPHelper.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 = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(this,
|
|
encryptionKeyIds[i]);
|
|
PGPPublicKey masterKey = null;
|
|
if (keyRing == null) {
|
|
continue;
|
|
}
|
|
masterKey = PGPHelper.getMasterKey(keyRing);
|
|
if (masterKey == null) {
|
|
continue;
|
|
}
|
|
Vector<PGPPublicKey> encryptKeys = PGPHelper.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 (ACTION_ENCRYPT.equals(action) || ACTION_ENCRYPT_AND_RETURN.equals(action)
|
|
|| ACTION_GENERATE_SIGNATURE.equals(action)) {
|
|
if (textData != null) {
|
|
mMessage.setText(textData);
|
|
}
|
|
mSource.setInAnimation(null);
|
|
mSource.setOutAnimation(null);
|
|
while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
|
|
mSource.showNext();
|
|
}
|
|
} else if (ACTION_ENCRYPT_FILE.equals(action)) {
|
|
mInputFilename = intent.getData().getPath();
|
|
mFilename.setText(mInputFilename);
|
|
guessOutputFilename();
|
|
mSource.setInAnimation(null);
|
|
mSource.setOutAnimation(null);
|
|
while (mSource.getCurrentView().getId() != R.id.sourceFile) {
|
|
mSource.showNext();
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
updateActionBarButtons();
|
|
}
|
|
|
|
/**
|
|
* Set ActionBar buttons based on parameters
|
|
*
|
|
* @param encryptEnabled
|
|
* @param encryptStringRes
|
|
* @param encryptToClipboardEnabled
|
|
* @param encryptToClipboardStringRes
|
|
*/
|
|
private void setActionbarButtons(boolean encryptEnabled, int encryptStringRes,
|
|
boolean encryptToClipboardEnabled, int encryptToClipboardStringRes) {
|
|
mEncryptEnabled = encryptEnabled;
|
|
if (encryptEnabled) {
|
|
mEncryptString = getString(encryptStringRes);
|
|
}
|
|
mEncryptToClipboardEnabled = encryptToClipboardEnabled;
|
|
if (encryptToClipboardEnabled) {
|
|
mEncryptToClipboardString = getString(encryptToClipboardStringRes);
|
|
}
|
|
|
|
// build new action bar based on these class variables
|
|
invalidateOptionsMenu();
|
|
}
|
|
|
|
/**
|
|
* Update ActionBar buttons based on current selection in view
|
|
*/
|
|
private void updateActionBarButtons() {
|
|
switch (mSource.getCurrentView().getId()) {
|
|
case R.id.sourceFile: {
|
|
setActionbarButtons(true, R.string.btn_encryptFile, false, 0);
|
|
|
|
break;
|
|
}
|
|
|
|
case R.id.sourceMessage: {
|
|
mSourceLabel.setText(R.string.label_message);
|
|
|
|
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
|
|
if (mReturnResult) {
|
|
setActionbarButtons(true, R.string.btn_encrypt, false, 0);
|
|
} else {
|
|
setActionbarButtons(true, R.string.btn_encryptAndEmail, true,
|
|
R.string.btn_encryptToClipboard);
|
|
}
|
|
} else {
|
|
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
|
|
if (getSecretKeyId() == 0) {
|
|
setActionbarButtons(false, 0, false, 0);
|
|
} else {
|
|
if (mReturnResult) {
|
|
setActionbarButtons(true, R.string.btn_sign, false, 0);
|
|
} else {
|
|
setActionbarButtons(true, R.string.btn_signAndEmail, true,
|
|
R.string.btn_signToClipboard);
|
|
}
|
|
}
|
|
} else {
|
|
if (mReturnResult) {
|
|
setActionbarButtons(true, R.string.btn_encrypt, false, 0);
|
|
} else {
|
|
setActionbarButtons(true, R.string.btn_encryptAndEmail, true,
|
|
R.string.btn_encryptToClipboard);
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
updateActionBarButtons();
|
|
}
|
|
|
|
private void encryptToClipboardClicked() {
|
|
mEncryptTarget = Id.target.clipboard;
|
|
initiateEncryption();
|
|
}
|
|
|
|
private void encryptClicked() {
|
|
Log.d(Constants.TAG, "encryptClicked invoked!");
|
|
|
|
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
|
|
&& PassphraseCacheService.getCachedPassphrase(this, getSecretKeyId()) == null) {
|
|
showPassphraseDialog();
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mEncryptTarget == Id.target.file) {
|
|
showOutputFileDialog();
|
|
} else {
|
|
encryptStart();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Shows passphrase dialog to cache a new passphrase the user enters for using it later for
|
|
* encryption
|
|
*/
|
|
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 (mEncryptTarget == Id.target.file) {
|
|
showOutputFileDialog();
|
|
} else {
|
|
encryptStart();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// Create a new Messenger for the communication back
|
|
Messenger messenger = new Messenger(returnHandler);
|
|
|
|
try {
|
|
PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(
|
|
EncryptActivity.this, messenger, mSecretKeyId);
|
|
|
|
passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog");
|
|
} catch (PGPMain.ApgGeneralException 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);
|
|
}
|
|
}
|
|
|
|
private void showOutputFileDialog() {
|
|
// Message is received after file is selected
|
|
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);
|
|
encryptStart();
|
|
}
|
|
}
|
|
};
|
|
|
|
// Create a new Messenger for the communication back
|
|
Messenger messenger = new Messenger(returnHandler);
|
|
|
|
mFileDialog = FileDialogFragment.newInstance(messenger,
|
|
getString(R.string.title_encryptToFile),
|
|
getString(R.string.specifyFileToEncryptTo), mOutputFilename, null,
|
|
Id.request.output_filename);
|
|
|
|
mFileDialog.show(getSupportFragmentManager(), "fileDialog");
|
|
}
|
|
|
|
private void encryptStart() {
|
|
// Send all information needed to service to edit key in other thread
|
|
Intent intent = new Intent(this, ApgService.class);
|
|
|
|
// fill values for this action
|
|
Bundle data = new Bundle();
|
|
|
|
boolean useAsciiArmour = true;
|
|
long encryptionKeyIds[] = null;
|
|
long signatureKeyId = Id.key.none;
|
|
int compressionId = 0;
|
|
boolean signOnly = false;
|
|
|
|
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
|
|
Log.d(Constants.TAG, "Symmetric encryption enabled!");
|
|
String passPhrase = mPassPhrase.getText().toString();
|
|
if (passPhrase.length() == 0) {
|
|
passPhrase = null;
|
|
}
|
|
|
|
data.putString(ApgService.SYMMETRIC_PASSPHRASE, passPhrase);
|
|
} else {
|
|
encryptionKeyIds = mEncryptionKeyIds;
|
|
signatureKeyId = getSecretKeyId();
|
|
signOnly = (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0);
|
|
}
|
|
|
|
intent.putExtra(ApgService.EXTRA_ACTION, ApgService.ACTION_ENCRYPT_SIGN);
|
|
|
|
// choose default settings, target and data bundle by target
|
|
if (mContentUri != null) {
|
|
data.putInt(ApgService.TARGET, ApgService.TARGET_STREAM);
|
|
data.putParcelable(ApgService.PROVIDER_URI, mContentUri);
|
|
|
|
} else if (mEncryptTarget == Id.target.file) {
|
|
useAsciiArmour = mAsciiArmour.isChecked();
|
|
compressionId = ((Choice) mFileCompression.getSelectedItem()).getId();
|
|
|
|
data.putInt(ApgService.TARGET, ApgService.TARGET_FILE);
|
|
|
|
Log.d(Constants.TAG, "mInputFilename=" + mInputFilename + ", mOutputFilename="
|
|
+ mOutputFilename);
|
|
|
|
data.putString(ApgService.INPUT_FILE, mInputFilename);
|
|
data.putString(ApgService.OUTPUT_FILE, mOutputFilename);
|
|
|
|
} else {
|
|
useAsciiArmour = true;
|
|
compressionId = Preferences.getPreferences(this).getDefaultMessageCompression();
|
|
|
|
data.putInt(ApgService.TARGET, ApgService.TARGET_BYTES);
|
|
|
|
if (mData != null) {
|
|
data.putByteArray(ApgService.MESSAGE_BYTES, mData);
|
|
} else {
|
|
String message = mMessage.getText().toString();
|
|
if (signOnly && !mReturnResult) {
|
|
fixBadCharactersForGmail(message);
|
|
}
|
|
data.putByteArray(ApgService.MESSAGE_BYTES, message.getBytes());
|
|
}
|
|
}
|
|
|
|
if (mOverrideAsciiArmour) {
|
|
useAsciiArmour = mAsciiArmourDemand;
|
|
}
|
|
|
|
data.putLong(ApgService.SECRET_KEY_ID, getSecretKeyId());
|
|
data.putBoolean(ApgService.USE_ASCII_AMOR, useAsciiArmour);
|
|
data.putLongArray(ApgService.ENCRYPTION_KEYS_IDS, encryptionKeyIds);
|
|
data.putLong(ApgService.SIGNATURE_KEY_ID, signatureKeyId);
|
|
data.putInt(ApgService.COMPRESSION_ID, compressionId);
|
|
data.putBoolean(ApgService.GENERATE_SIGNATURE, mGenerateSignature);
|
|
data.putBoolean(ApgService.SIGN_ONLY, signOnly);
|
|
|
|
intent.putExtra(ApgService.EXTRA_DATA, data);
|
|
|
|
// Message is received after encrypting is done in ApgService
|
|
ApgServiceHandler saveHandler = new ApgServiceHandler(this, R.string.progress_encrypting,
|
|
ProgressDialog.STYLE_HORIZONTAL) {
|
|
public void handleMessage(Message message) {
|
|
// handle messages by standard ApgHandler first
|
|
super.handleMessage(message);
|
|
|
|
if (message.arg1 == ApgServiceHandler.MESSAGE_OKAY) {
|
|
// get returned data bundle
|
|
Bundle data = message.getData();
|
|
|
|
String output;
|
|
switch (mEncryptTarget) {
|
|
case Id.target.clipboard:
|
|
output = data.getString(ApgService.RESULT_ENCRYPTED_MESSAGE);
|
|
Log.d(Constants.TAG, "output: " + output);
|
|
Compatibility.copyToClipboard(EncryptActivity.this, output);
|
|
Toast.makeText(EncryptActivity.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;
|
|
}
|
|
|
|
output = data.getString(ApgService.RESULT_ENCRYPTED_MESSAGE);
|
|
Log.d(Constants.TAG, "output: " + output);
|
|
|
|
Intent emailIntent = new Intent(Intent.ACTION_SEND);
|
|
emailIntent.setType("text/plain; charset=utf-8");
|
|
emailIntent.putExtra(Intent.EXTRA_TEXT, output);
|
|
if (mSubject != null) {
|
|
emailIntent.putExtra(Intent.EXTRA_SUBJECT, mSubject);
|
|
}
|
|
if (mSendTo != null) {
|
|
emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { mSendTo });
|
|
}
|
|
startActivity(Intent.createChooser(emailIntent,
|
|
getString(R.string.title_sendEmail)));
|
|
break;
|
|
|
|
case Id.target.file:
|
|
Toast.makeText(EncryptActivity.this, R.string.encryptionSuccessful,
|
|
Toast.LENGTH_SHORT).show();
|
|
|
|
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;
|
|
|
|
}
|
|
}
|
|
};
|
|
};
|
|
|
|
// Create a new Messenger for the communication back
|
|
Messenger messenger = new Messenger(saveHandler);
|
|
intent.putExtra(ApgService.EXTRA_MESSENGER, messenger);
|
|
|
|
// show progress dialog
|
|
saveHandler.showProgressDialog(this);
|
|
|
|
// start service with intent
|
|
startService(intent);
|
|
}
|
|
|
|
/**
|
|
* Fixes bad message characters for gmail
|
|
*
|
|
* @param message
|
|
* @return
|
|
*/
|
|
private String fixBadCharactersForGmail(String message) {
|
|
// 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");
|
|
|
|
return message;
|
|
}
|
|
|
|
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() == Id.key.none) {
|
|
mSign.setChecked(false);
|
|
mMainUserId.setText("");
|
|
mMainUserIdRest.setText("");
|
|
} else {
|
|
String uid = getResources().getString(R.string.unknownUserId);
|
|
String uidExtra = "";
|
|
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(this, getSecretKeyId());
|
|
if (keyRing != null) {
|
|
PGPSecretKey key = PGPHelper.getMasterKey(keyRing);
|
|
if (key != null) {
|
|
String userId = PGPHelper.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);
|
|
}
|
|
|
|
updateActionBarButtons();
|
|
}
|
|
|
|
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(SelectPublicKeyListActivity.RESULT_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) {
|
|
try {
|
|
String path = data.getData().getPath();
|
|
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;
|
|
}
|
|
|
|
case Id.request.public_keys: {
|
|
if (resultCode == RESULT_OK) {
|
|
Bundle bundle = data.getExtras();
|
|
mEncryptionKeyIds = bundle
|
|
.getLongArray(SelectPublicKeyListActivity.RESULT_EXTRA_SELECTION);
|
|
}
|
|
updateView();
|
|
break;
|
|
}
|
|
|
|
case Id.request.secret_keys: {
|
|
if (resultCode == RESULT_OK) {
|
|
Bundle bundle = data.getExtras();
|
|
setSecretKeyId(bundle.getLong(SelectSecretKeyListActivity.RESULT_EXTRA_KEY_ID));
|
|
} else {
|
|
setSecretKeyId(Id.key.none);
|
|
}
|
|
updateView();
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
}
|
|
|
|
}
|