166 lines
6.1 KiB
Java
166 lines
6.1 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 org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.pgp.PgpHelper;
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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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import java.util.regex.Matcher;
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public class DecryptActivity extends DrawerActivity {
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/* Intents */
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public static final String ACTION_DECRYPT = Constants.INTENT_PREFIX + "DECRYPT";
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/* EXTRA keys for input */
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public static final String EXTRA_TEXT = "text";
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ViewPager mViewPager;
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PagerTabStrip mPagerTabStrip;
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PagerTabStripAdapter mTabsAdapter;
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Bundle mMessageFragmentBundle = new Bundle();
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Bundle mFileFragmentBundle = new Bundle();
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int mSwitchToTab = PAGER_TAB_MESSAGE;
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private static final int PAGER_TAB_MESSAGE = 0;
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private static final int PAGER_TAB_FILE = 1;
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private void initView() {
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mViewPager = (ViewPager) findViewById(R.id.decrypt_pager);
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mPagerTabStrip = (PagerTabStrip) findViewById(R.id.decrypt_pager_tab_strip);
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mTabsAdapter = new PagerTabStripAdapter(this);
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mViewPager.setAdapter(mTabsAdapter);
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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.decrypt_activity);
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initView();
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setupDrawerNavigation(savedInstanceState);
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// Handle intent actions, maybe changes the bundles
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handleActions(getIntent());
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mTabsAdapter.addTab(DecryptMessageFragment.class,
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mMessageFragmentBundle, getString(R.string.label_message));
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mTabsAdapter.addTab(DecryptFileFragment.class,
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mFileFragmentBundle, getString(R.string.label_file));
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mViewPager.setCurrentItem(mSwitchToTab);
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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 Keychain Decrypt 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 decryption, override action and extras to later
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// executeServiceMethod ACTION_DECRYPT in main actions
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extras.putString(EXTRA_TEXT, sharedText);
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action = ACTION_DECRYPT;
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}
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} else {
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// Binary via content provider (could also be files)
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// override uri to get stream from send
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uri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
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action = ACTION_DECRYPT;
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}
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} else if (Intent.ACTION_VIEW.equals(action)) {
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// Android's Action when opening file associated to Keychain (see AndroidManifest.xml)
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// override action
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action = ACTION_DECRYPT;
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mFileFragmentBundle.putBoolean(DecryptFileFragment.ARG_FROM_VIEW_INTENT, true);
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}
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String textData = extras.getString(EXTRA_TEXT);
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/**
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* Main Actions
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*/
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if (ACTION_DECRYPT.equals(action) && textData != null) {
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Log.d(Constants.TAG, "textData not null, matching text ...");
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Matcher matcher = PgpHelper.PGP_MESSAGE.matcher(textData);
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if (matcher.matches()) {
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Log.d(Constants.TAG, "PGP_MESSAGE matched");
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textData = matcher.group(1);
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// replace non breakable spaces
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textData = textData.replaceAll("\\xa0", " ");
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mMessageFragmentBundle.putString(DecryptMessageFragment.ARG_CIPHERTEXT, textData);
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mSwitchToTab = PAGER_TAB_MESSAGE;
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} else {
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matcher = PgpHelper.PGP_CLEARTEXT_SIGNATURE.matcher(textData);
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if (matcher.matches()) {
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Log.d(Constants.TAG, "PGP_CLEARTEXT_SIGNATURE matched");
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textData = matcher.group(1);
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// replace non breakable spaces
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textData = textData.replaceAll("\\xa0", " ");
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mMessageFragmentBundle.putString(DecryptMessageFragment.ARG_CIPHERTEXT, textData);
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mSwitchToTab = PAGER_TAB_MESSAGE;
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} else {
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Log.d(Constants.TAG, "Nothing matched!");
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}
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}
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} else if (ACTION_DECRYPT.equals(action) && uri != null) {
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mFileFragmentBundle.putParcelable(DecryptFileFragment.ARG_URI, uri);
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mSwitchToTab = PAGER_TAB_FILE;
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} else if (ACTION_DECRYPT.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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