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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.view.PagerTabStrip;
import android.support.v4.view.ViewPager;
import android.widget.Toast;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.FileHelper;
import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
import org.sufficientlysecure.keychain.util.Log;
public class EncryptActivity extends DrawerActivity implements
EncryptSymmetricFragment.OnSymmetricKeySelection,
EncryptAsymmetricFragment.OnAsymmetricKeySelection,
EncryptActivityInterface {
/* 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";
// view
ViewPager mViewPagerMode;
PagerTabStrip mPagerTabStripMode;
PagerTabStripAdapter mTabsAdapterMode;
ViewPager mViewPagerContent;
PagerTabStrip mPagerTabStripContent;
PagerTabStripAdapter mTabsAdapterContent;
// tabs
Bundle mAsymmetricFragmentBundle = new Bundle();
Bundle mSymmetricFragmentBundle = new Bundle();
Bundle mMessageFragmentBundle = new Bundle();
Bundle mFileFragmentBundle = new Bundle();
int mSwitchToMode = PAGER_MODE_ASYMMETRIC;
int mSwitchToContent = PAGER_CONTENT_MESSAGE;
private static final int PAGER_MODE_ASYMMETRIC = 0;
private static final int PAGER_MODE_SYMMETRIC = 1;
private static final int PAGER_CONTENT_MESSAGE = 0;
private static final int PAGER_CONTENT_FILE = 1;
// model used by message and file fragments
private long mEncryptionKeyIds[] = null;
private long mSigningKeyId = Constants.key.none;
private String mPassphrase;
private String mPassphraseAgain;
@Override
public void onSigningKeySelected(long signingKeyId) {
mSigningKeyId = signingKeyId;
}
@Override
public void onEncryptionKeysSelected(long[] encryptionKeyIds) {
mEncryptionKeyIds = encryptionKeyIds;
}
@Override
public void onPassphraseUpdate(String passphrase) {
mPassphrase = passphrase;
}
@Override
public void onPassphraseAgainUpdate(String passphrase) {
mPassphraseAgain = passphrase;
}
@Override
public boolean isModeSymmetric() {
if (PAGER_MODE_SYMMETRIC == mViewPagerMode.getCurrentItem()) {
return true;
} else {
return false;
}
}
@Override
public long getSignatureKey() {
return mSigningKeyId;
}
@Override
public long[] getEncryptionKeys() {
return mEncryptionKeyIds;
}
@Override
public String getPassphrase() {
return mPassphrase;
}
@Override
public String getPassphraseAgain() {
return mPassphraseAgain;
}
private void initView() {
mViewPagerMode = (ViewPager) findViewById(R.id.encrypt_pager_mode);
mPagerTabStripMode = (PagerTabStrip) findViewById(R.id.encrypt_pager_tab_strip_mode);
mViewPagerContent = (ViewPager) findViewById(R.id.encrypt_pager_content);
mPagerTabStripContent = (PagerTabStrip) findViewById(R.id.encrypt_pager_tab_strip_content);
mTabsAdapterMode = new PagerTabStripAdapter(this);
mViewPagerMode.setAdapter(mTabsAdapterMode);
mTabsAdapterContent = new PagerTabStripAdapter(this);
mViewPagerContent.setAdapter(mTabsAdapterContent);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.encrypt_activity);
initView();
// if called with an intent action, do not init drawer navigation
if (ACTION_ENCRYPT.equals(getIntent().getAction())) {
// TODO: back button to key?
} else {
setupDrawerNavigation(savedInstanceState);
}
// Handle intent actions
handleActions(getIntent());
mTabsAdapterMode.addTab(EncryptAsymmetricFragment.class,
mAsymmetricFragmentBundle, getString(R.string.label_asymmetric));
mTabsAdapterMode.addTab(EncryptSymmetricFragment.class,
mSymmetricFragmentBundle, getString(R.string.label_symmetric));
mViewPagerMode.setCurrentItem(mSwitchToMode);
mTabsAdapterContent.addTab(EncryptMessageFragment.class,
mMessageFragmentBundle, getString(R.string.label_message));
mTabsAdapterContent.addTab(EncryptFileFragment.class,
mFileFragmentBundle, getString(R.string.label_file));
mViewPagerContent.setCurrentItem(mSwitchToContent);
}
/**
* 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)) {
boolean requestAsciiArmor = extras.getBoolean(EXTRA_ASCII_ARMOR, true);
mFileFragmentBundle.putBoolean(EncryptFileFragment.ARG_ASCII_ARMOR, requestAsciiArmor);
}
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
mAsymmetricFragmentBundle.putLongArray(EncryptAsymmetricFragment.ARG_ENCRYPTION_KEY_IDS,
encryptionKeyIds);
mAsymmetricFragmentBundle.putLong(EncryptAsymmetricFragment.ARG_SIGNATURE_KEY_ID,
signatureKeyId);
mSwitchToMode = PAGER_MODE_ASYMMETRIC;
/**
* Main Actions
*/
if (ACTION_ENCRYPT.equals(action) && textData != null) {
// encrypt text based on given extra
mMessageFragmentBundle.putString(EncryptMessageFragment.ARG_TEXT, textData);
mSwitchToContent = PAGER_CONTENT_MESSAGE;
} 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) {
mFileFragmentBundle.putString(EncryptFileFragment.ARG_FILENAME, path);
mSwitchToContent = PAGER_CONTENT_FILE;
} 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 if (ACTION_ENCRYPT.equals(action)) {
Log.e(Constants.TAG,
"Include the extra 'text' or an Uri with setData() in your Intent!");
}
}
}
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