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|
/*
* Copyright (C) 2012-2014 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.sufficientlysecure.keychain.ui;
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 android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.*;
import com.beardedhen.androidbootstrap.BootstrapButton;
import com.beardedhen.androidbootstrap.FontAwesomeText;
import com.devspark.appmsg.AppMsg;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKey;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
import org.sufficientlysecure.keychain.helper.ActionBarHelper;
import org.sufficientlysecure.keychain.helper.FileHelper;
import org.sufficientlysecure.keychain.helper.Preferences;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
import org.sufficientlysecure.keychain.service.PassphraseCacheService;
import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
import org.sufficientlysecure.keychain.ui.dialog.FileDialogFragment;
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
import org.sufficientlysecure.keychain.util.Choice;
import org.sufficientlysecure.keychain.util.Log;
import java.io.File;
import java.util.Vector;
public class EncryptActivity extends DrawerActivity {
/* Intents */
public static final String ACTION_ENCRYPT = Constants.INTENT_PREFIX + "ENCRYPT";
/* EXTRA keys for input */
public static final String EXTRA_TEXT = "text";
// enables ASCII Armor for file encryption when uri is given
public static final String EXTRA_ASCII_ARMOR = "ascii_armor";
// preselect ids, for internal use
public static final String EXTRA_SIGNATURE_KEY_ID = "signature_key_id";
public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryption_key_ids";
private long mEncryptionKeyIds[] = null;
private EditText mMessage = null;
private BootstrapButton mSelectKeysButton = 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 mAsciiArmor = null;
private Spinner mFileCompression = null;
private EditText mFilename = null;
private CheckBox mDeleteAfter = null;
private CheckBox mShareAfter = null;
private BootstrapButton mBrowse = null;
private String mInputFilename = null;
private String mOutputFilename = null;
private Integer mShortAnimationDuration = null;
private boolean mFileAdvancedSettingsVisible = false;
private TextView mFileAdvancedSettings = null;
private LinearLayout mFileAdvancedSettingsContainer = null;
private FontAwesomeText mAdvancedSettingsIcon;
private boolean mAsciiArmorDemand = false;
private boolean mOverrideAsciiArmor = false;
private boolean mGenerateSignature = false;
private long mSecretKeyId = Id.key.none;
private FileDialogFragment mFileDialog;
private BootstrapButton mEncryptShare;
private BootstrapButton mEncryptClipboard;
private BootstrapButton mEncryptFile;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.encrypt_activity);
// set actionbar without home button if called from another app
ActionBarHelper.setBackButton(this);
initView();
setupDrawerNavigation(savedInstanceState);
// Handle intent actions
handleActions(getIntent());
updateView();
updateSource();
updateMode();
updateActionBarButtons();
// retrieve and cache the system's short animation time
mShortAnimationDuration = getResources().getInteger(android.R.integer.config_shortAnimTime);
}
/**
* Handles all actions with this intent
*
* @param intent
*/
private void handleActions(Intent intent) {
String action = intent.getAction();
Bundle extras = intent.getExtras();
String type = intent.getType();
Uri uri = intent.getData();
if (extras == null) {
extras = new Bundle();
}
/*
* Android's Action
*/
if (Intent.ACTION_SEND.equals(action) && type != null) {
// When sending to APG Encrypt via share menu
if ("text/plain".equals(type)) {
// Plain text
String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
if (sharedText != null) {
// handle like normal text encryption, override action and extras to later
// executeServiceMethod ACTION_ENCRYPT in main actions
extras.putString(EXTRA_TEXT, sharedText);
extras.putBoolean(EXTRA_ASCII_ARMOR, true);
action = ACTION_ENCRYPT;
}
} else {
// Files via content provider, override uri and action
uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
action = ACTION_ENCRYPT;
}
}
if (extras.containsKey(EXTRA_ASCII_ARMOR)) {
mAsciiArmorDemand = extras.getBoolean(EXTRA_ASCII_ARMOR, true);
mOverrideAsciiArmor = true;
mAsciiArmor.setChecked(mAsciiArmorDemand);
}
String textData = extras.getString(EXTRA_TEXT);
long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
long[] encryptionKeyIds = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
// preselect keys given by intent
preselectKeys(signatureKeyId, encryptionKeyIds);
/**
* Main Actions
*/
if (ACTION_ENCRYPT.equals(action) && textData != null) {
// encrypt text based on given extra
mMessage.setText(textData);
mSource.setInAnimation(null);
mSource.setOutAnimation(null);
while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
mSource.showNext();
}
} else if (ACTION_ENCRYPT.equals(action) && uri != null) {
// encrypt file based on Uri
// get file path from uri
String path = FileHelper.getPath(this, uri);
if (path != null) {
mInputFilename = path;
mFilename.setText(mInputFilename);
mSource.setInAnimation(null);
mSource.setOutAnimation(null);
while (mSource.getCurrentView().getId() != R.id.sourceFile) {
mSource.showNext();
}
} else {
Log.e(Constants.TAG,
"Direct binary data without actual file in filesystem is not supported by Intents. Please use the Remote Service API!");
Toast.makeText(this, R.string.error_only_files_are_supported, Toast.LENGTH_LONG)
.show();
// end activity
finish();
}
} else {
Log.e(Constants.TAG,
"Include the extra 'text' or an Uri with setData() in your Intent!");
}
}
/**
* If an Intent gives a signatureKeyId and/or encryptionKeyIds, preselect those!
*
* @param preselectedSignatureKeyId
* @param preselectedEncryptionKeyIds
*/
private void preselectKeys(long preselectedSignatureKeyId, long[] preselectedEncryptionKeyIds) {
if (preselectedSignatureKeyId != 0) {
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(this,
preselectedSignatureKeyId);
PGPSecretKey masterKey = null;
if (keyRing != null) {
masterKey = PgpKeyHelper.getMasterKey(keyRing);
if (masterKey != null) {
Vector<PGPSecretKey> signKeys = PgpKeyHelper.getUsableSigningKeys(keyRing);
if (signKeys.size() > 0) {
mSecretKeyId = masterKey.getKeyID();
}
}
}
}
if (preselectedEncryptionKeyIds != null) {
Vector<Long> goodIds = new Vector<Long>();
for (int i = 0; i < preselectedEncryptionKeyIds.length; ++i) {
PGPPublicKeyRing keyRing = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(this,
preselectedEncryptionKeyIds[i]);
PGPPublicKey masterKey = null;
if (keyRing == null) {
continue;
}
masterKey = PgpKeyHelper.getMasterKey(keyRing);
if (masterKey == null) {
continue;
}
Vector<PGPPublicKey> encryptKeys = PgpKeyHelper.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);
}
}
}
}
/**
* Guess output filename based on input path
*
* @param path
* @return Suggestion for output filename
*/
private String guessOutputFilename(String path) {
// output in the same directory but with additional ending
File file = new File(path);
String ending = (mAsciiArmor.isChecked() ? ".asc" : ".gpg");
String outputFilename = file.getParent() + File.separator + file.getName() + ending;
return outputFilename;
}
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();
}
/**
* Update ActionBar buttons based on current selection in view
*/
private void updateActionBarButtons() {
switch (mSource.getCurrentView().getId()) {
case R.id.sourceFile: {
mEncryptShare.setVisibility(View.GONE);
mEncryptClipboard.setVisibility(View.GONE);
mEncryptFile.setVisibility(View.VISIBLE);
break;
}
case R.id.sourceMessage: {
mSourceLabel.setText(R.string.label_message);
mEncryptShare.setVisibility(View.VISIBLE);
mEncryptClipboard.setVisibility(View.VISIBLE);
mEncryptFile.setVisibility(View.GONE);
if (mMode.getCurrentView().getId() == R.id.modeSymmetric) {
mEncryptShare.setEnabled(true);
mEncryptClipboard.setEnabled(true);
} else {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
if (mSecretKeyId == 0) {
mEncryptShare.setEnabled(false);
mEncryptClipboard.setEnabled(false);
} else {
mEncryptShare.setEnabled(true);
mEncryptClipboard.setEnabled(true);
}
} else {
mEncryptShare.setEnabled(true);
mEncryptClipboard.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;
}
}
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)) {
mInputFilename = mFilename.getText().toString();
}
mOutputFilename = guessOutputFilename(mInputFilename);
if (mInputFilename.equals("")) {
AppMsg.makeText(this, R.string.no_file_selected, AppMsg.STYLE_ALERT).show();
return;
}
if (!mInputFilename.startsWith("content")) {
File file = new File(mInputFilename);
if (!file.exists() || !file.isFile()) {
AppMsg.makeText(
this,
getString(R.string.error_message,
getString(R.string.error_file_not_found)), AppMsg.STYLE_ALERT)
.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)) {
AppMsg.makeText(this, R.string.passphrases_do_not_match, AppMsg.STYLE_ALERT).show();
return;
}
gotPassPhrase = (passphrase.length() != 0);
if (!gotPassPhrase) {
AppMsg.makeText(this, R.string.passphrase_must_not_be_empty, AppMsg.STYLE_ALERT)
.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) {
AppMsg.makeText(this, R.string.select_encryption_key, AppMsg.STYLE_ALERT).show();
return;
}
if (!encryptIt && mSecretKeyId == 0) {
AppMsg.makeText(this, R.string.select_encryption_or_signature_key,
AppMsg.STYLE_ALERT).show();
return;
}
if (mSecretKeyId != 0
&& PassphraseCacheService.getCachedPassphrase(this, mSecretKeyId) == 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 (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);
}
}
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_encrypt_to_file),
getString(R.string.specify_file_to_encrypt_to), mOutputFilename, null);
mFileDialog.show(getSupportFragmentManager(), "fileDialog");
}
private void encryptStart() {
// Send all information needed to service to edit key in other thread
Intent intent = new Intent(this, KeychainIntentService.class);
// fill values for this action
Bundle data = new Bundle();
boolean useAsciiArmor = true;
long encryptionKeyIds[] = null;
int compressionId = 0;
boolean signOnly = false;
long mSecretKeyIdToPass = 0;
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(KeychainIntentService.GENERATE_KEY_SYMMETRIC_PASSPHRASE, passphrase);
} else {
mSecretKeyIdToPass = mSecretKeyId;
encryptionKeyIds = mEncryptionKeyIds;
signOnly = (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0);
}
intent.setAction(KeychainIntentService.ACTION_ENCRYPT_SIGN);
// choose default settings, target and data bundle by target
if (mEncryptTarget == Id.target.file) {
useAsciiArmor = mAsciiArmor.isChecked();
compressionId = ((Choice) mFileCompression.getSelectedItem()).getId();
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_URI);
Log.d(Constants.TAG, "mInputFilename=" + mInputFilename + ", mOutputFilename="
+ mOutputFilename);
data.putString(KeychainIntentService.ENCRYPT_INPUT_FILE, mInputFilename);
data.putString(KeychainIntentService.ENCRYPT_OUTPUT_FILE, mOutputFilename);
} else {
useAsciiArmor = true;
compressionId = Preferences.getPreferences(this).getDefaultMessageCompression();
data.putInt(KeychainIntentService.TARGET, KeychainIntentService.TARGET_BYTES);
String message = mMessage.getText().toString();
if (signOnly) {
fixBadCharactersForGmail(message);
}
data.putByteArray(KeychainIntentService.ENCRYPT_MESSAGE_BYTES, message.getBytes());
}
if (mOverrideAsciiArmor) {
useAsciiArmor = mAsciiArmorDemand;
}
data.putLong(KeychainIntentService.ENCRYPT_SECRET_KEY_ID, mSecretKeyIdToPass);
data.putBoolean(KeychainIntentService.ENCRYPT_USE_ASCII_ARMOR, useAsciiArmor);
data.putLongArray(KeychainIntentService.ENCRYPT_ENCRYPTION_KEYS_IDS, encryptionKeyIds);
data.putInt(KeychainIntentService.ENCRYPT_COMPRESSION_ID, compressionId);
data.putBoolean(KeychainIntentService.ENCRYPT_GENERATE_SIGNATURE, mGenerateSignature);
data.putBoolean(KeychainIntentService.ENCRYPT_SIGN_ONLY, signOnly);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
// Message is received after encrypting is done in ApgService
KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(this,
getString(R.string.progress_encrypting), 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 data = message.getData();
String output;
switch (mEncryptTarget) {
case Id.target.clipboard:
output = data.getString(KeychainIntentService.RESULT_ENCRYPTED_STRING);
Log.d(Constants.TAG, "output: " + output);
ClipboardReflection.copyToClipboard(EncryptActivity.this, output);
AppMsg.makeText(EncryptActivity.this,
R.string.encryption_to_clipboard_successful, AppMsg.STYLE_INFO)
.show();
break;
case Id.target.email:
output = data.getString(KeychainIntentService.RESULT_ENCRYPTED_STRING);
Log.d(Constants.TAG, "output: " + output);
Intent sendIntent = new Intent(Intent.ACTION_SEND);
// Type is set to text/plain so that encrypted messages can
// be sent with Whatsapp, Hangouts, SMS etc...
sendIntent.setType("text/plain");
sendIntent.putExtra(Intent.EXTRA_TEXT, output);
startActivity(Intent.createChooser(sendIntent,
getString(R.string.title_send_email)));
break;
case Id.target.file:
AppMsg.makeText(EncryptActivity.this, R.string.encryption_successful,
AppMsg.STYLE_INFO).show();
if (mDeleteAfter.isChecked()) {
// Create and show dialog to delete original file
DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment
.newInstance(mInputFilename);
deleteFileDialog.show(getSupportFragmentManager(), "deleteDialog");
}
if (mShareAfter.isChecked()) {
// Share encrypted file
Intent sendFileIntent = new Intent(Intent.ACTION_SEND);
sendFileIntent.setType("*/*");
sendFileIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse(mOutputFilename));
startActivity(Intent.createChooser(sendFileIntent,
getString(R.string.title_send_file)));
}
break;
default:
// shouldn't happen
break;
}
}
}
};
// 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);
}
/**
* 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 initView() {
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 = (BootstrapButton) 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 = (BootstrapButton) 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);
}
});
mAdvancedSettingsIcon = (FontAwesomeText) findViewById(R.id.advancedSettingsIcon);
mFileAdvancedSettingsContainer = (LinearLayout) findViewById(R.id.fileAdvancedSettingsContainer);
mFileAdvancedSettings = (TextView) findViewById(R.id.advancedSettings);
LinearLayout advancedSettingsControl = (LinearLayout) findViewById(R.id.advancedSettingsControl);
advancedSettingsControl.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mFileAdvancedSettingsVisible = !mFileAdvancedSettingsVisible;
if (mFileAdvancedSettingsVisible) {
mAdvancedSettingsIcon.setIcon("fa-chevron-down");
mFileAdvancedSettingsContainer.setVisibility(View.VISIBLE);
AlphaAnimation animation = new AlphaAnimation(0f, 1f);
animation.setDuration(mShortAnimationDuration);
mFileAdvancedSettingsContainer.startAnimation(animation);
mFileAdvancedSettings.setText(R.string.btn_encryption_advanced_settings_hide);
} else {
mAdvancedSettingsIcon.setIcon("fa-chevron-right");
AlphaAnimation animation = new AlphaAnimation(1f, 0f);
animation.setDuration(mShortAnimationDuration);
animation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
// do nothing
}
@Override
public void onAnimationEnd(Animation animation) {
// making sure that at the end the container is completely removed from view
mFileAdvancedSettingsContainer.setVisibility(View.GONE);
}
@Override
public void onAnimationRepeat(Animation animation) {
// do nothing
}
});
mFileAdvancedSettingsContainer.startAnimation(animation);
mFileAdvancedSettings.setText(R.string.btn_encryption_advanced_settings_show);
}
}
});
mFileCompression = (Spinner) findViewById(R.id.fileCompression);
Choice[] choices = new Choice[]{
new Choice(Id.choice.compression.none, getString(R.string.choice_none) + " ("
+ getString(R.string.compression_fast) + ")"),
new Choice(Id.choice.compression.zip, "ZIP ("
+ getString(R.string.compression_fast) + ")"),
new Choice(Id.choice.compression.zlib, "ZLIB ("
+ getString(R.string.compression_fast) + ")"),
new Choice(Id.choice.compression.bzip2, "BZIP2 ("
+ getString(R.string.compression_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);
mShareAfter = (CheckBox) findViewById(R.id.shareAfterEncryption);
mAsciiArmor = (CheckBox) findViewById(R.id.asciiArmour);
mAsciiArmor.setChecked(Preferences.getPreferences(this).getDefaultAsciiArmour());
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 {
mSecretKeyId = Id.key.none;
updateView();
}
}
});
mEncryptClipboard = (BootstrapButton) findViewById(R.id.action_encrypt_clipboard);
mEncryptClipboard.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
encryptToClipboardClicked();
}
});
mEncryptShare = (BootstrapButton) findViewById(R.id.action_encrypt_share);
mEncryptShare.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
encryptClicked();
}
});
mEncryptFile = (BootstrapButton) findViewById(R.id.action_encrypt_file);
mEncryptFile.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
encryptClicked();
}
});
}
private void updateView() {
if (mEncryptionKeyIds == null || mEncryptionKeyIds.length == 0) {
mSelectKeysButton.setText(getString(R.string.select_keys_button_default));
} else {
mSelectKeysButton.setText(getResources().getQuantityString(
R.plurals.select_keys_button, mEncryptionKeyIds.length,
mEncryptionKeyIds.length));
}
if (mSecretKeyId == Id.key.none) {
mSign.setChecked(false);
mMainUserId.setText("");
mMainUserIdRest.setText("");
} else {
String uid = getResources().getString(R.string.user_id_no_name);
String uidExtra = "";
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(this,
mSecretKeyId);
if (keyRing != null) {
PGPSecretKey key = PgpKeyHelper.getMasterKey(keyRing);
if (key != null) {
String userId = PgpKeyHelper.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, SelectPublicKeyActivity.class);
Vector<Long> keyIds = new Vector<Long>();
if (mSecretKeyId != 0) {
keyIds.add(mSecretKeyId);
}
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(SelectPublicKeyActivity.EXTRA_SELECTED_MASTER_KEY_IDS, initialKeyIds);
startActivityForResult(intent, Id.request.public_keys);
}
private void selectSecretKey() {
Intent intent = new Intent(this, SelectSecretKeyActivity.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 = 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.public_keys: {
if (resultCode == RESULT_OK) {
Bundle bundle = data.getExtras();
mEncryptionKeyIds = bundle
.getLongArray(SelectPublicKeyActivity.RESULT_EXTRA_MASTER_KEY_IDS);
}
updateView();
break;
}
case Id.request.secret_keys: {
if (resultCode == RESULT_OK) {
Uri uri_master_key = data.getData();
mSecretKeyId = Long.valueOf(uri_master_key.getLastPathSegment());
} else {
mSecretKeyId = Id.key.none;
}
updateView();
break;
}
default: {
break;
}
}
super.onActivityResult(requestCode, resultCode, data);
}
}
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