259 lines
9.2 KiB
Java
259 lines
9.2 KiB
Java
/*
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* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.v4.view.PagerTabStrip;
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import android.support.v4.view.ViewPager;
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import android.widget.Toast;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.helper.FileHelper;
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import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
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import org.sufficientlysecure.keychain.util.Log;
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public class EncryptActivity extends DrawerActivity implements
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EncryptSymmetricFragment.OnSymmetricKeySelection,
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EncryptAsymmetricFragment.OnAsymmetricKeySelection,
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EncryptActivityInterface {
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/* Intents */
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public static final String ACTION_ENCRYPT = Constants.INTENT_PREFIX + "ENCRYPT";
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/* EXTRA keys for input */
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public static final String EXTRA_TEXT = "text";
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// enables ASCII Armor for file encryption when uri is given
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public static final String EXTRA_ASCII_ARMOR = "ascii_armor";
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// preselect ids, for internal use
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public static final String EXTRA_SIGNATURE_KEY_ID = "signature_key_id";
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public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryption_key_ids";
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// view
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ViewPager mViewPagerMode;
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PagerTabStrip mPagerTabStripMode;
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PagerTabStripAdapter mTabsAdapterMode;
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ViewPager mViewPagerContent;
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PagerTabStrip mPagerTabStripContent;
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PagerTabStripAdapter mTabsAdapterContent;
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// tabs
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Bundle mAsymmetricFragmentBundle = new Bundle();
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Bundle mSymmetricFragmentBundle = new Bundle();
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Bundle mMessageFragmentBundle = new Bundle();
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Bundle mFileFragmentBundle = new Bundle();
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int mSwitchToMode = PAGER_MODE_ASYMMETRIC;
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int mSwitchToContent = PAGER_CONTENT_MESSAGE;
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private static final int PAGER_MODE_ASYMMETRIC = 0;
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private static final int PAGER_MODE_SYMMETRIC = 1;
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private static final int PAGER_CONTENT_MESSAGE = 0;
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private static final int PAGER_CONTENT_FILE = 1;
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// model used by message and file fragments
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private long mEncryptionKeyIds[] = null;
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private long mSigningKeyId = Constants.key.none;
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private String mPassphrase;
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private String mPassphraseAgain;
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@Override
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public void onSigningKeySelected(long signingKeyId) {
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mSigningKeyId = signingKeyId;
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}
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@Override
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public void onEncryptionKeysSelected(long[] encryptionKeyIds) {
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mEncryptionKeyIds = encryptionKeyIds;
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}
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@Override
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public void onPassphraseUpdate(String passphrase) {
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mPassphrase = passphrase;
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}
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@Override
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public void onPassphraseAgainUpdate(String passphrase) {
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mPassphraseAgain = passphrase;
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}
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@Override
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public boolean isModeSymmetric() {
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if (PAGER_MODE_SYMMETRIC == mViewPagerMode.getCurrentItem()) {
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return true;
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} else {
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return false;
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}
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}
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@Override
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public long getSignatureKey() {
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return mSigningKeyId;
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}
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@Override
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public long[] getEncryptionKeys() {
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return mEncryptionKeyIds;
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}
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@Override
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public String getPassphrase() {
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return mPassphrase;
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}
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@Override
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public String getPassphraseAgain() {
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return mPassphraseAgain;
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}
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private void initView() {
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mViewPagerMode = (ViewPager) findViewById(R.id.encrypt_pager_mode);
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mPagerTabStripMode = (PagerTabStrip) findViewById(R.id.encrypt_pager_tab_strip_mode);
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mViewPagerContent = (ViewPager) findViewById(R.id.encrypt_pager_content);
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mPagerTabStripContent = (PagerTabStrip) findViewById(R.id.encrypt_pager_tab_strip_content);
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mTabsAdapterMode = new PagerTabStripAdapter(this);
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mViewPagerMode.setAdapter(mTabsAdapterMode);
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mTabsAdapterContent = new PagerTabStripAdapter(this);
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mViewPagerContent.setAdapter(mTabsAdapterContent);
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.encrypt_activity);
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initView();
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// if called with an intent action, do not init drawer navigation
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if (ACTION_ENCRYPT.equals(getIntent().getAction())) {
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// TODO: back button to key?
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} else {
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setupDrawerNavigation(savedInstanceState);
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}
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// Handle intent actions
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handleActions(getIntent());
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mTabsAdapterMode.addTab(EncryptAsymmetricFragment.class,
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mAsymmetricFragmentBundle, getString(R.string.label_asymmetric));
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mTabsAdapterMode.addTab(EncryptSymmetricFragment.class,
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mSymmetricFragmentBundle, getString(R.string.label_symmetric));
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mViewPagerMode.setCurrentItem(mSwitchToMode);
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mTabsAdapterContent.addTab(EncryptMessageFragment.class,
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mMessageFragmentBundle, getString(R.string.label_message));
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mTabsAdapterContent.addTab(EncryptFileFragment.class,
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mFileFragmentBundle, getString(R.string.label_file));
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mViewPagerContent.setCurrentItem(mSwitchToContent);
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}
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/**
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* Handles all actions with this intent
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*
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* @param intent
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*/
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private void handleActions(Intent intent) {
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String action = intent.getAction();
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Bundle extras = intent.getExtras();
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String type = intent.getType();
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Uri uri = intent.getData();
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if (extras == null) {
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extras = new Bundle();
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}
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/*
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* Android's Action
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*/
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if (Intent.ACTION_SEND.equals(action) && type != null) {
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// When sending to APG Encrypt via share menu
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if ("text/plain".equals(type)) {
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// Plain text
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String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
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if (sharedText != null) {
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// handle like normal text encryption, override action and extras to later
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// executeServiceMethod ACTION_ENCRYPT in main actions
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extras.putString(EXTRA_TEXT, sharedText);
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extras.putBoolean(EXTRA_ASCII_ARMOR, true);
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action = ACTION_ENCRYPT;
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}
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} else {
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// Files via content provider, override uri and action
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uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
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action = ACTION_ENCRYPT;
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}
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}
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if (extras.containsKey(EXTRA_ASCII_ARMOR)) {
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boolean requestAsciiArmor = extras.getBoolean(EXTRA_ASCII_ARMOR, true);
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mFileFragmentBundle.putBoolean(EncryptFileFragment.ARG_ASCII_ARMOR, requestAsciiArmor);
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}
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String textData = extras.getString(EXTRA_TEXT);
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long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
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long[] encryptionKeyIds = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
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// preselect keys given by intent
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mAsymmetricFragmentBundle.putLongArray(EncryptAsymmetricFragment.ARG_ENCRYPTION_KEY_IDS,
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encryptionKeyIds);
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mAsymmetricFragmentBundle.putLong(EncryptAsymmetricFragment.ARG_SIGNATURE_KEY_ID,
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signatureKeyId);
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mSwitchToMode = PAGER_MODE_ASYMMETRIC;
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/**
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* Main Actions
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*/
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if (ACTION_ENCRYPT.equals(action) && textData != null) {
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// encrypt text based on given extra
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mMessageFragmentBundle.putString(EncryptMessageFragment.ARG_TEXT, textData);
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mSwitchToContent = PAGER_CONTENT_MESSAGE;
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} else if (ACTION_ENCRYPT.equals(action) && uri != null) {
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// encrypt file based on Uri
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// get file path from uri
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String path = FileHelper.getPath(this, uri);
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if (path != null) {
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mFileFragmentBundle.putString(EncryptFileFragment.ARG_FILENAME, path);
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mSwitchToContent = PAGER_CONTENT_FILE;
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} else {
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Log.e(Constants.TAG,
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"Direct binary data without actual file in filesystem is not supported " +
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"by Intents. Please use the Remote Service API!"
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);
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Toast.makeText(this, R.string.error_only_files_are_supported,
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Toast.LENGTH_LONG).show();
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// end activity
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finish();
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}
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} else if (ACTION_ENCRYPT.equals(action)) {
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Log.e(Constants.TAG,
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"Include the extra 'text' or an Uri with setData() in your Intent!");
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}
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}
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}
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