768 lines
29 KiB
Java
768 lines
29 KiB
Java
/*
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* Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
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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.app.Activity;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.graphics.Point;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Message;
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import android.os.Messenger;
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import android.support.v7.widget.DefaultItemAnimator;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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import org.spongycastle.bcpg.CompressionAlgorithmTags;
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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.operations.results.SignEncryptResult;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.PgpConstants;
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import org.sufficientlysecure.keychain.pgp.SignEncryptParcel;
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import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.ui.adapter.SpacesItemDecoration;
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import org.sufficientlysecure.keychain.ui.base.CachingCryptoOperationFragment;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
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import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.util.FileHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import org.sufficientlysecure.keychain.util.ShareHelper;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class EncryptFilesFragment extends CachingCryptoOperationFragment<SignEncryptParcel> {
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public static final String ARG_DELETE_AFTER_ENCRYPT = "delete_after_encrypt";
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public static final String ARG_ENCRYPT_FILENAMES = "encrypt_filenames";
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public static final String ARG_USE_COMPRESSION = "use_compression";
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public static final String ARG_USE_ASCII_ARMOR = "use_ascii_armor";
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public static final String ARG_URIS = "uris";
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private static final int REQUEST_CODE_INPUT = 0x00007003;
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private static final int REQUEST_CODE_OUTPUT = 0x00007007;
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private boolean mUseArmor;
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private boolean mUseCompression;
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private boolean mDeleteAfterEncrypt;
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private boolean mEncryptFilenames;
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private boolean mHiddenRecipients = false;
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private boolean mShareAfterEncrypt;
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private ArrayList<Uri> mOutputUris;
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private RecyclerView mSelectedFiles;
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ArrayList<FilesAdapter.ViewModel> mFilesModels;
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FilesAdapter mFilesAdapter;
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/**
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* Creates new instance of this fragment
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*/
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public static EncryptFilesFragment newInstance(ArrayList<Uri> uris, boolean useArmor) {
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EncryptFilesFragment frag = new EncryptFilesFragment();
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Bundle args = new Bundle();
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args.putBoolean(ARG_USE_ASCII_ARMOR, useArmor);
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args.putParcelableArrayList(ARG_URIS, uris);
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frag.setArguments(args);
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return frag;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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if ( ! (activity instanceof EncryptActivity) ) {
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throw new AssertionError(activity + " must inherit from EncryptionActivity");
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}
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}
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/**
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* Inflate the layout for this fragment
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*/
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.encrypt_files_fragment, container, false);
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mSelectedFiles = (RecyclerView) view.findViewById(R.id.selected_files_list);
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mSelectedFiles.addItemDecoration(new SpacesItemDecoration(
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FormattingUtils.dpToPx(getActivity(), 4)));
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mSelectedFiles.setHasFixedSize(true);
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mSelectedFiles.setLayoutManager(new LinearLayoutManager(getActivity()));
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mSelectedFiles.setItemAnimator(new DefaultItemAnimator());
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mFilesModels = new ArrayList<>();
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mFilesAdapter = new FilesAdapter(getActivity(), mFilesModels, new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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addInputUri();
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}
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});
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Bundle args = savedInstanceState == null ? getArguments() : savedInstanceState;
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ArrayList<Uri> inputUris = args.getParcelableArrayList(ARG_URIS);
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if (inputUris != null) {
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mFilesAdapter.addAll(inputUris);
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}
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mSelectedFiles.setAdapter(mFilesAdapter);
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return view;
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putBoolean(ARG_DELETE_AFTER_ENCRYPT, mDeleteAfterEncrypt);
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outState.putBoolean(ARG_USE_ASCII_ARMOR, mUseArmor);
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outState.putBoolean(ARG_USE_COMPRESSION, mUseCompression);
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outState.putBoolean(ARG_ENCRYPT_FILENAMES, mEncryptFilenames);
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outState.putParcelableArrayList(ARG_URIS, mFilesAdapter.getAsArrayList());
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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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Bundle args = savedInstanceState == null ? getArguments() : savedInstanceState;
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mDeleteAfterEncrypt = args.getBoolean(ARG_DELETE_AFTER_ENCRYPT, false);
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mUseArmor = args.getBoolean(ARG_USE_ASCII_ARMOR, false);
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mUseCompression = args.getBoolean(ARG_USE_COMPRESSION, true);
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mEncryptFilenames = args.getBoolean(ARG_ENCRYPT_FILENAMES, true);
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setHasOptionsMenu(true);
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}
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private void addInputUri() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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FileHelper.openDocument(EncryptFilesFragment.this, "*/*", true, REQUEST_CODE_INPUT);
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} else {
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FileHelper.openFile(EncryptFilesFragment.this, mFilesModels.isEmpty() ?
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null : mFilesModels.get(mFilesModels.size() - 1).inputUri,
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"*/*", REQUEST_CODE_INPUT);
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}
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}
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private void addInputUri(Uri inputUri) {
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if (inputUri == null) {
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return;
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}
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try {
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mFilesAdapter.add(inputUri);
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} catch (IOException e) {
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Notify.create(getActivity(),
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getActivity().getString(R.string.error_file_added_already, FileHelper.getFilename(getActivity(), inputUri)),
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Notify.Style.ERROR).show(this);
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return;
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}
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mSelectedFiles.requestFocus();
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}
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private void showOutputFileDialog() {
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if (mFilesModels.size() > 1 || mFilesModels.isEmpty()) {
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throw new IllegalStateException();
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}
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FilesAdapter.ViewModel model = mFilesModels.get(0);
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String targetName =
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(mEncryptFilenames ? "1" : FileHelper.getFilename(getActivity(), model.inputUri))
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+ (mUseArmor ? Constants.FILE_EXTENSION_ASC : Constants.FILE_EXTENSION_PGP_MAIN);
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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File file = new File(model.inputUri.getPath());
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File parentDir = file.exists() ? file.getParentFile() : Constants.Path.APP_DIR;
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File targetFile = new File(parentDir, targetName);
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FileHelper.saveFile(this, getString(R.string.title_encrypt_to_file),
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getString(R.string.specify_file_to_encrypt_to), targetFile, REQUEST_CODE_OUTPUT);
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} else {
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FileHelper.saveDocument(this, "*/*", targetName, REQUEST_CODE_OUTPUT);
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}
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}
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public void addFile(Intent data) {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
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addInputUri(data.getData());
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} else {
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if (data.getClipData() != null && data.getClipData().getItemCount() > 0) {
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for (int i = 0; i < data.getClipData().getItemCount(); i++) {
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Uri uri = data.getClipData().getItemAt(i).getUri();
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if (uri != null) {
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addInputUri(uri);
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}
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}
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} else {
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// fallback, try old method to get single uri
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addInputUri(data.getData());
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}
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}
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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super.onCreateOptionsMenu(menu, inflater);
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inflater.inflate(R.menu.encrypt_file_fragment, menu);
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menu.findItem(R.id.check_delete_after_encrypt).setChecked(mDeleteAfterEncrypt);
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menu.findItem(R.id.check_use_armor).setChecked(mUseArmor);
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menu.findItem(R.id.check_enable_compression).setChecked(mUseCompression);
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menu.findItem(R.id.check_encrypt_filenames).setChecked(mEncryptFilenames);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.encrypt_save: {
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cryptoOperation(false);
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break;
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}
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case R.id.encrypt_share: {
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cryptoOperation(true);
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break;
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}
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case R.id.check_use_armor: {
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// we can NOT do this for every item, others might care!
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item.setChecked(!item.isChecked());
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mUseArmor = item.isChecked();
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break;
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}
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case R.id.check_delete_after_encrypt: {
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item.setChecked(!item.isChecked());
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mDeleteAfterEncrypt = item.isChecked();
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break;
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}
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case R.id.check_enable_compression: {
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item.setChecked(!item.isChecked());
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mUseCompression = item.isChecked();
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break;
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}
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case R.id.check_encrypt_filenames: {
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item.setChecked(!item.isChecked());
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mEncryptFilenames = item.isChecked();
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break;
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}
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// case R.id.check_hidden_recipients: {
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// mHiddenRecipients = item.isChecked();
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// notifyUpdate();
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// break;
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// }
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default: {
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return super.onOptionsItemSelected(item);
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}
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}
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return true;
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}
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public void onEncryptSuccess(final SignEncryptResult result) {
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if (mDeleteAfterEncrypt) {
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DeleteFileDialogFragment deleteFileDialog =
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DeleteFileDialogFragment.newInstance(mFilesAdapter.getAsArrayList());
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deleteFileDialog.setOnDeletedListener(new DeleteFileDialogFragment.OnDeletedListener() {
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@Override
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public void onDeleted() {
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if (mShareAfterEncrypt) {
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// Share encrypted message/file
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startActivity(sendWithChooserExcludingEncrypt());
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} else {
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// Save encrypted file
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result.createNotify(getActivity()).show();
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}
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}
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});
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deleteFileDialog.show(getActivity().getSupportFragmentManager(), "deleteDialog");
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} else {
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if (mShareAfterEncrypt) {
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// Share encrypted message/file
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startActivity(sendWithChooserExcludingEncrypt());
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} else {
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// Save encrypted file
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result.createNotify(getActivity()).show();
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}
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}
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}
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// prepares mOutputUris, either directly and returns false, or indirectly
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// which returns true and will call cryptoOperation after mOutputUris has
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// been set at a later point.
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private boolean prepareOutputStreams(boolean share) {
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if (mFilesModels.isEmpty()) {
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Notify.create(getActivity(), R.string.no_file_selected, Notify.Style.ERROR)
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.show(this);
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return true;
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} else if (mFilesModels.size() > 1 && !mShareAfterEncrypt) {
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Log.e(Constants.TAG, "Aborting: mInputUris.size() > 1 && !mShareAfterEncrypt");
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// This should be impossible...
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return true;
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}
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if (share) {
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mOutputUris = new ArrayList<>();
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int filenameCounter = 1;
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for (FilesAdapter.ViewModel model : mFilesModels) {
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String targetName =
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(mEncryptFilenames ? String.valueOf(filenameCounter) : FileHelper.getFilename(getActivity(), model.inputUri))
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+ (mUseArmor ? Constants.FILE_EXTENSION_ASC : Constants.FILE_EXTENSION_PGP_MAIN);
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mOutputUris.add(TemporaryStorageProvider.createFile(getActivity(), targetName));
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filenameCounter++;
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}
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return false;
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} else {
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if (mFilesModels.size() > 1) {
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Notify.create(getActivity(), R.string.error_multi_not_supported,
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Notify.Style.ERROR).show(this);
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return true;
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}
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showOutputFileDialog();
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return true;
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}
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}
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protected SignEncryptParcel createIncompleteEncryptBundle() {
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// fill values for this action
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SignEncryptParcel data = new SignEncryptParcel();
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data.addInputUris(mFilesAdapter.getAsArrayList());
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if (mUseCompression) {
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data.setCompressionId(PgpConstants.sPreferredCompressionAlgorithms.get(0));
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} else {
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data.setCompressionId(CompressionAlgorithmTags.UNCOMPRESSED);
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}
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data.setHiddenRecipients(mHiddenRecipients);
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data.setEnableAsciiArmorOutput(mUseArmor);
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data.setSymmetricEncryptionAlgorithm(PgpConstants.OpenKeychainSymmetricKeyAlgorithmTags.USE_PREFERRED);
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data.setSignatureHashAlgorithm(PgpConstants.OpenKeychainSymmetricKeyAlgorithmTags.USE_PREFERRED);
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EncryptActivity encryptActivity = (EncryptActivity) getActivity();
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EncryptModeFragment modeFragment = encryptActivity.getModeFragment();
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if (modeFragment.isAsymmetric()) {
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long[] encryptionKeyIds = modeFragment.getAsymmetricEncryptionKeyIds();
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long signingKeyId = modeFragment.getAsymmetricSigningKeyId();
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boolean gotEncryptionKeys = (encryptionKeyIds != null
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&& encryptionKeyIds.length > 0);
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if (!gotEncryptionKeys && signingKeyId == 0) {
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Notify.create(getActivity(), R.string.select_encryption_or_signature_key, Notify.Style.ERROR)
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.show(this);
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return null;
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}
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data.setEncryptionMasterKeyIds(encryptionKeyIds);
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data.setSignatureMasterKeyId(signingKeyId);
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} else {
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Passphrase passphrase = modeFragment.getSymmetricPassphrase();
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if (passphrase == null) {
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Notify.create(getActivity(), R.string.passphrases_do_not_match, Notify.Style.ERROR)
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.show(this);
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return null;
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}
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if (passphrase.isEmpty()) {
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Notify.create(getActivity(), R.string.passphrase_must_not_be_empty, Notify.Style.ERROR)
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.show(this);
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return null;
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}
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data.setSymmetricPassphrase(passphrase);
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}
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return data;
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}
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/**
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* Create Intent Chooser but exclude OK's EncryptActivity.
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*/
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private Intent sendWithChooserExcludingEncrypt() {
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Intent prototype = createSendIntent();
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String title = getString(R.string.title_share_file);
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// we don't want to encrypt the encrypted, no inception ;)
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String[] blacklist = new String[]{
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Constants.PACKAGE_NAME + ".ui.EncryptFileActivity",
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"org.thialfihar.android.apg.ui.EncryptActivity"
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};
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return new ShareHelper(getActivity()).createChooserExcluding(prototype, title, blacklist);
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}
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private Intent createSendIntent() {
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Intent sendIntent;
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// file
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if (mOutputUris.size() == 1) {
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sendIntent = new Intent(Intent.ACTION_SEND);
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sendIntent.putExtra(Intent.EXTRA_STREAM, mOutputUris.get(0));
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} else {
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sendIntent = new Intent(Intent.ACTION_SEND_MULTIPLE);
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sendIntent.putExtra(Intent.EXTRA_STREAM, mOutputUris);
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}
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sendIntent.setType(Constants.ENCRYPTED_FILES_MIME);
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EncryptActivity modeInterface = (EncryptActivity) getActivity();
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EncryptModeFragment modeFragment = modeInterface.getModeFragment();
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if (!modeFragment.isAsymmetric()) {
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return sendIntent;
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}
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String[] encryptionUserIds = modeFragment.getAsymmetricEncryptionUserIds();
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if (encryptionUserIds == null) {
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return sendIntent;
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}
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Set<String> users = new HashSet<>();
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for (String user : encryptionUserIds) {
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KeyRing.UserId userId = KeyRing.splitUserId(user);
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if (userId.email != null) {
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users.add(userId.email);
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}
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}
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// pass trough email addresses as extra for email applications
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sendIntent.putExtra(Intent.EXTRA_EMAIL, users.toArray(new String[users.size()]));
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return sendIntent;
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}
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public void cryptoOperation(boolean share) {
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mShareAfterEncrypt = share;
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cryptoOperation();
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}
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@Override
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protected void cryptoOperation(CryptoInputParcel cryptoInput, SignEncryptParcel actionsParcel) {
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// we have three cases here: nothing cached, cached except output, fully cached
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if (actionsParcel == null) {
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// clear output uris for now, they will be created by prepareOutputStreams later
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mOutputUris = null;
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actionsParcel = createIncompleteEncryptBundle();
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// this is null if invalid, just return in that case
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if (actionsParcel == null) {
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// Notify was created by createEncryptBundle.
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return;
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}
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cacheActionsParcel(actionsParcel);
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}
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// if it's incomplete, prepare output streams
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if (actionsParcel.isIncomplete()) {
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// if this is still null, prepare output streams again
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if (mOutputUris == null) {
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// this may interrupt the flow, and call us again from onActivityResult
|
|
if (prepareOutputStreams(mShareAfterEncrypt)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
actionsParcel.addOutputUris(mOutputUris);
|
|
cacheActionsParcel(actionsParcel);
|
|
}
|
|
|
|
// Send all information needed to service to edit key in other thread
|
|
Intent intent = new Intent(getActivity(), KeychainIntentService.class);
|
|
intent.setAction(KeychainIntentService.ACTION_SIGN_ENCRYPT);
|
|
|
|
Bundle data = new Bundle();
|
|
data.putParcelable(KeychainIntentService.SIGN_ENCRYPT_PARCEL, actionsParcel);
|
|
data.putParcelable(KeychainIntentService.EXTRA_CRYPTO_INPUT, cryptoInput);
|
|
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
|
|
|
|
// Message is received after encrypting is done in KeychainIntentService
|
|
ServiceProgressHandler serviceHandler = new ServiceProgressHandler(
|
|
getActivity(),
|
|
getString(R.string.progress_encrypting),
|
|
ProgressDialog.STYLE_HORIZONTAL,
|
|
true
|
|
) {
|
|
@Override
|
|
public void handleMessage(Message message) {
|
|
// handle messages by standard KeychainIntentServiceHandler first
|
|
super.handleMessage(message);
|
|
|
|
// handle pending messages
|
|
if (handlePendingMessage(message)) {
|
|
return;
|
|
}
|
|
|
|
if (message.arg1 == MessageStatus.OKAY.ordinal()) {
|
|
SignEncryptResult result =
|
|
message.getData().getParcelable(SignEncryptResult.EXTRA_RESULT);
|
|
if (result.success()) {
|
|
onEncryptSuccess(result);
|
|
} else {
|
|
result.createNotify(getActivity()).show();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
// Create a new Messenger for the communication back
|
|
Messenger messenger = new Messenger(serviceHandler);
|
|
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
|
|
|
|
// show progress dialog
|
|
serviceHandler.showProgressDialog(getActivity());
|
|
|
|
// start service with intent
|
|
getActivity().startService(intent);
|
|
}
|
|
|
|
@Override
|
|
public void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
switch (requestCode) {
|
|
case REQUEST_CODE_INPUT: {
|
|
if (resultCode == Activity.RESULT_OK && data != null) {
|
|
addFile(data);
|
|
}
|
|
return;
|
|
}
|
|
case REQUEST_CODE_OUTPUT: {
|
|
// This happens after output file was selected, so start our operation
|
|
if (resultCode == Activity.RESULT_OK && data != null) {
|
|
mOutputUris = new ArrayList<>(1);
|
|
mOutputUris.add(data.getData());
|
|
cryptoOperation(false);
|
|
}
|
|
return;
|
|
}
|
|
|
|
default: {
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static class FilesAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
|
|
private Activity mActivity;
|
|
private List<ViewModel> mDataset;
|
|
private View.OnClickListener mFooterOnClickListener;
|
|
private static final int TYPE_FOOTER = 0;
|
|
private static final int TYPE_ITEM = 1;
|
|
|
|
public static class ViewModel {
|
|
Uri inputUri;
|
|
Bitmap thumbnail;
|
|
String filename;
|
|
long fileSize;
|
|
|
|
ViewModel(Context context, Uri inputUri) {
|
|
this.inputUri = inputUri;
|
|
int px = FormattingUtils.dpToPx(context, 48);
|
|
this.thumbnail = FileHelper.getThumbnail(context, inputUri, new Point(px, px));
|
|
this.filename = FileHelper.getFilename(context, inputUri);
|
|
this.fileSize = FileHelper.getFileSize(context, inputUri);
|
|
}
|
|
|
|
/**
|
|
* Depends on inputUri only
|
|
*/
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
ViewModel viewModel = (ViewModel) o;
|
|
return !(inputUri != null ? !inputUri.equals(viewModel.inputUri)
|
|
: viewModel.inputUri != null);
|
|
}
|
|
|
|
/**
|
|
* Depends on inputUri only
|
|
*/
|
|
@Override
|
|
public int hashCode() {
|
|
return inputUri != null ? inputUri.hashCode() : 0;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return inputUri.toString();
|
|
}
|
|
}
|
|
|
|
// Provide a reference to the views for each data item
|
|
// Complex data items may need more than one view per item, and
|
|
// you provide access to all the views for a data item in a view holder
|
|
class ViewHolder extends RecyclerView.ViewHolder {
|
|
public TextView filename;
|
|
public TextView fileSize;
|
|
public View removeButton;
|
|
public ImageView thumbnail;
|
|
|
|
public ViewHolder(View itemView) {
|
|
super(itemView);
|
|
filename = (TextView) itemView.findViewById(R.id.filename);
|
|
fileSize = (TextView) itemView.findViewById(R.id.filesize);
|
|
removeButton = itemView.findViewById(R.id.action_remove_file_from_list);
|
|
thumbnail = (ImageView) itemView.findViewById(R.id.thumbnail);
|
|
}
|
|
}
|
|
|
|
class FooterHolder extends RecyclerView.ViewHolder {
|
|
public Button mAddButton;
|
|
|
|
public FooterHolder(View itemView) {
|
|
super(itemView);
|
|
mAddButton = (Button) itemView.findViewById(R.id.file_list_entry_add);
|
|
}
|
|
}
|
|
|
|
// Provide a suitable constructor (depends on the kind of dataset)
|
|
public FilesAdapter(Activity activity, List<ViewModel> myDataset, View.OnClickListener onFooterClickListener) {
|
|
mActivity = activity;
|
|
mDataset = myDataset;
|
|
mFooterOnClickListener = onFooterClickListener;
|
|
}
|
|
|
|
// Create new views (invoked by the layout manager)
|
|
@Override
|
|
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
|
|
if (viewType == TYPE_FOOTER) {
|
|
View v = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.file_list_entry_add, parent, false);
|
|
return new FooterHolder(v);
|
|
} else {
|
|
//inflate your layout and pass it to view holder
|
|
View v = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.file_list_entry, parent, false);
|
|
return new ViewHolder(v);
|
|
}
|
|
}
|
|
|
|
// Replace the contents of a view (invoked by the layout manager)
|
|
@Override
|
|
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
|
|
if (holder instanceof FooterHolder) {
|
|
FooterHolder thisHolder = (FooterHolder) holder;
|
|
thisHolder.mAddButton.setOnClickListener(mFooterOnClickListener);
|
|
} else if (holder instanceof ViewHolder) {
|
|
ViewHolder thisHolder = (ViewHolder) holder;
|
|
// - get element from your dataset at this position
|
|
// - replace the contents of the view with that element
|
|
final ViewModel model = mDataset.get(position);
|
|
|
|
thisHolder.filename.setText(model.filename);
|
|
if (model.fileSize == -1) {
|
|
thisHolder.fileSize.setText("");
|
|
} else {
|
|
thisHolder.fileSize.setText(FileHelper.readableFileSize(model.fileSize));
|
|
}
|
|
thisHolder.removeButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
remove(model);
|
|
}
|
|
});
|
|
if (model.thumbnail != null) {
|
|
thisHolder.thumbnail.setImageBitmap(model.thumbnail);
|
|
} else {
|
|
thisHolder.thumbnail.setImageResource(R.drawable.ic_doc_generic_am);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Return the size of your dataset (invoked by the layout manager)
|
|
@Override
|
|
public int getItemCount() {
|
|
return mDataset.size() + 1;
|
|
}
|
|
|
|
@Override
|
|
public int getItemViewType(int position) {
|
|
if (isPositionFooter(position)) {
|
|
return TYPE_FOOTER;
|
|
} else {
|
|
return TYPE_ITEM;
|
|
}
|
|
}
|
|
|
|
private boolean isPositionFooter(int position) {
|
|
return position == mDataset.size();
|
|
}
|
|
|
|
public void add(Uri inputUri) throws IOException {
|
|
ViewModel newModel = new ViewModel(mActivity, inputUri);
|
|
if (mDataset.contains(newModel)) {
|
|
throw new IOException("Already added!");
|
|
}
|
|
mDataset.add(newModel);
|
|
notifyItemInserted(mDataset.size() - 1);
|
|
}
|
|
|
|
public void addAll(ArrayList<Uri> inputUris) {
|
|
if (inputUris != null) {
|
|
int startIndex = mDataset.size();
|
|
for (Uri inputUri : inputUris) {
|
|
ViewModel newModel = new ViewModel(mActivity, inputUri);
|
|
if (mDataset.contains(newModel)) {
|
|
Log.e(Constants.TAG, "Skipped duplicate " + inputUri);
|
|
} else {
|
|
mDataset.add(newModel);
|
|
}
|
|
}
|
|
notifyItemRangeInserted(startIndex, mDataset.size() - startIndex);
|
|
}
|
|
}
|
|
|
|
public void remove(ViewModel model) {
|
|
int position = mDataset.indexOf(model);
|
|
mDataset.remove(position);
|
|
notifyItemRemoved(position);
|
|
}
|
|
|
|
public ArrayList<Uri> getAsArrayList() {
|
|
ArrayList<Uri> uris = new ArrayList<>();
|
|
for (ViewModel model : mDataset) {
|
|
uris.add(model.inputUri);
|
|
}
|
|
return uris;
|
|
}
|
|
|
|
}
|
|
}
|