377d0f09fa
Conflicts: OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ShareQrCodeDialogFragment.java
426 lines
17 KiB
Java
426 lines
17 KiB
Java
/*
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* Copyright (C) 2014 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.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.os.Messenger;
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import android.provider.OpenableColumns;
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import android.support.v4.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import android.widget.Spinner;
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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.helper.Preferences;
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import org.sufficientlysecure.keychain.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
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import org.sufficientlysecure.keychain.service.PassphraseCacheService;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.FileDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
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import org.sufficientlysecure.keychain.util.Choice;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Notify;
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import java.io.File;
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public class EncryptFileFragment extends Fragment {
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public static final String ARG_FILENAME = "filename";
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public static final String ARG_ASCII_ARMOR = "ascii_armor";
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private static final int REQUEST_CODE_FILE = 0x00007003;
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private EncryptActivityInterface mEncryptInterface;
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// view
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private CheckBox mAsciiArmor = null;
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private Spinner mFileCompression = null;
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private EditText mFilename = null;
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private CheckBox mDeleteAfter = null;
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private CheckBox mShareAfter = null;
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private ImageButton mBrowse = null;
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private View mEncryptFile;
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private FileDialogFragment mFileDialog;
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// model
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private String mInputFilename = null;
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private Uri mInputUri = null;
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private String mOutputFilename = null;
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private Uri mOutputUri = null;
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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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try {
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mEncryptInterface = (EncryptActivityInterface) activity;
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} catch (ClassCastException e) {
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throw new ClassCastException(activity.toString() + " must implement EncryptActivityInterface");
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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_file_fragment, container, false);
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mEncryptFile = view.findViewById(R.id.action_encrypt_file);
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mEncryptFile.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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encryptClicked();
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}
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});
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mFilename = (EditText) view.findViewById(R.id.filename);
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mBrowse = (ImageButton) view.findViewById(R.id.btn_browse);
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mBrowse.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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if (Constants.KITKAT) {
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FileHelper.openDocument(EncryptFileFragment.this, mInputUri, "*/*", REQUEST_CODE_FILE);
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} else {
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FileHelper.openFile(EncryptFileFragment.this, mFilename.getText().toString(), "*/*",
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REQUEST_CODE_FILE);
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}
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}
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});
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mFileCompression = (Spinner) view.findViewById(R.id.fileCompression);
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Choice[] choices = new Choice[]{
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new Choice(Constants.choice.compression.none, getString(R.string.choice_none) + " ("
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+ getString(R.string.compression_fast) + ")"),
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new Choice(Constants.choice.compression.zip, "ZIP ("
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+ getString(R.string.compression_fast) + ")"),
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new Choice(Constants.choice.compression.zlib, "ZLIB ("
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+ getString(R.string.compression_fast) + ")"),
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new Choice(Constants.choice.compression.bzip2, "BZIP2 ("
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+ getString(R.string.compression_very_slow) + ")"),
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};
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ArrayAdapter<Choice> adapter = new ArrayAdapter<Choice>(getActivity(),
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android.R.layout.simple_spinner_item, choices);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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mFileCompression.setAdapter(adapter);
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int defaultFileCompression = Preferences.getPreferences(getActivity()).getDefaultFileCompression();
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for (int i = 0; i < choices.length; ++i) {
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if (choices[i].getId() == defaultFileCompression) {
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mFileCompression.setSelection(i);
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break;
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}
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}
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mDeleteAfter = (CheckBox) view.findViewById(R.id.deleteAfterEncryption);
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mShareAfter = (CheckBox) view.findViewById(R.id.shareAfterEncryption);
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mAsciiArmor = (CheckBox) view.findViewById(R.id.asciiArmor);
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mAsciiArmor.setChecked(Preferences.getPreferences(getActivity()).getDefaultAsciiArmor());
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return view;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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String filename = getArguments().getString(ARG_FILENAME);
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if (filename != null) {
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mFilename.setText(filename);
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}
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boolean asciiArmor = getArguments().getBoolean(ARG_ASCII_ARMOR);
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if (asciiArmor) {
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mAsciiArmor.setChecked(asciiArmor);
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}
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}
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/**
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* Guess output filename based on input path
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*
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* @param path
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* @return Suggestion for output filename
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*/
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private String guessOutputFilename(String path) {
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// output in the same directory but with additional ending
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File file = new File(path);
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String ending = (mAsciiArmor.isChecked() ? ".asc" : ".gpg");
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String outputFilename = file.getParent() + File.separator + file.getName() + ending;
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return outputFilename;
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}
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private void showOutputFileDialog() {
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// Message is received after file is selected
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Handler returnHandler = new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == FileDialogFragment.MESSAGE_OKAY) {
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Bundle data = message.getData();
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if (data.containsKey(FileDialogFragment.MESSAGE_DATA_URI)) {
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mOutputUri = data.getParcelable(FileDialogFragment.MESSAGE_DATA_URI);
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} else {
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mOutputFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME);
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}
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encryptStart();
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(returnHandler);
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mFileDialog = FileDialogFragment.newInstance(messenger,
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getString(R.string.title_encrypt_to_file),
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getString(R.string.specify_file_to_encrypt_to), mOutputFilename, null);
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mFileDialog.show(getActivity().getSupportFragmentManager(), "fileDialog");
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}
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private void encryptClicked() {
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String currentFilename = mFilename.getText().toString();
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if (mInputFilename == null || !mInputFilename.equals(currentFilename)) {
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mInputUri = null;
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mInputFilename = mFilename.getText().toString();
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}
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if (mInputUri == null) {
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mOutputFilename = guessOutputFilename(mInputFilename);
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}
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if (mInputFilename.equals("")) {
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Notify.showNotify(getActivity(), R.string.no_file_selected, Notify.Style.ERROR);
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return;
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}
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if (mInputUri == null && !mInputFilename.startsWith("content")) {
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File file = new File(mInputFilename);
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if (!file.exists() || !file.isFile()) {
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Notify.showNotify(
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getActivity(),
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getString(R.string.error_message,
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getString(R.string.error_file_not_found)), Notify.Style.ERROR
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);
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return;
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}
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}
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if (mEncryptInterface.isModeSymmetric()) {
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// symmetric encryption
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boolean gotPassphrase = (mEncryptInterface.getPassphrase() != null
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&& mEncryptInterface.getPassphrase().length() != 0);
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if (!gotPassphrase) {
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Notify.showNotify(getActivity(), R.string.passphrase_must_not_be_empty, Notify.Style.ERROR)
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;
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return;
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}
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if (!mEncryptInterface.getPassphrase().equals(mEncryptInterface.getPassphraseAgain())) {
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Notify.showNotify(getActivity(), R.string.passphrases_do_not_match, Notify.Style.ERROR);
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return;
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}
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} else {
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// asymmetric encryption
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boolean gotEncryptionKeys = (mEncryptInterface.getEncryptionKeys() != null
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&& mEncryptInterface.getEncryptionKeys().length > 0);
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if (!gotEncryptionKeys) {
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Notify.showNotify(getActivity(), R.string.select_encryption_key, Notify.Style.ERROR);
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return;
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}
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if (!gotEncryptionKeys && mEncryptInterface.getSignatureKey() == 0) {
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Notify.showNotify(getActivity(), R.string.select_encryption_or_signature_key,
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Notify.Style.ERROR);
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return;
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}
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if (mEncryptInterface.getSignatureKey() != 0 &&
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PassphraseCacheService.getCachedPassphrase(getActivity(),
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mEncryptInterface.getSignatureKey()) == null) {
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PassphraseDialogFragment.show(getActivity(), mEncryptInterface.getSignatureKey(),
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new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
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showOutputFileDialog();
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}
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}
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});
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return;
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}
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}
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showOutputFileDialog();
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}
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private void encryptStart() {
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// Send all information needed to service to edit key in other thread
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Intent intent = new Intent(getActivity(), KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_ENCRYPT_SIGN);
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// fill values for this action
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Bundle data = new Bundle();
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Log.d(Constants.TAG, "mInputFilename=" + mInputFilename + ", mOutputFilename="
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+ mOutputFilename + ",mInputUri=" + mInputUri + ", mOutputUri="
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+ mOutputUri);
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if (mInputUri != null) {
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data.putInt(KeychainIntentService.SOURCE, KeychainIntentService.IO_URI);
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data.putParcelable(KeychainIntentService.ENCRYPT_INPUT_URI, mInputUri);
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} else {
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data.putInt(KeychainIntentService.SOURCE, KeychainIntentService.IO_FILE);
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data.putString(KeychainIntentService.ENCRYPT_INPUT_FILE, mInputFilename);
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}
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if (mOutputUri != null) {
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data.putInt(KeychainIntentService.TARGET, KeychainIntentService.IO_URI);
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data.putParcelable(KeychainIntentService.ENCRYPT_OUTPUT_URI, mOutputUri);
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} else {
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data.putInt(KeychainIntentService.TARGET, KeychainIntentService.IO_FILE);
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data.putString(KeychainIntentService.ENCRYPT_OUTPUT_FILE, mOutputFilename);
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}
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if (mEncryptInterface.isModeSymmetric()) {
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Log.d(Constants.TAG, "Symmetric encryption enabled!");
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String passphrase = mEncryptInterface.getPassphrase();
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if (passphrase.length() == 0) {
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passphrase = null;
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}
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data.putString(KeychainIntentService.ENCRYPT_SYMMETRIC_PASSPHRASE, passphrase);
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} else {
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data.putLong(KeychainIntentService.ENCRYPT_SIGNATURE_KEY_ID,
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mEncryptInterface.getSignatureKey());
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data.putLongArray(KeychainIntentService.ENCRYPT_ENCRYPTION_KEYS_IDS,
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mEncryptInterface.getEncryptionKeys());
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}
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boolean useAsciiArmor = mAsciiArmor.isChecked();
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data.putBoolean(KeychainIntentService.ENCRYPT_USE_ASCII_ARMOR, useAsciiArmor);
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int compressionId = ((Choice) mFileCompression.getSelectedItem()).getId();
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data.putInt(KeychainIntentService.ENCRYPT_COMPRESSION_ID, compressionId);
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after encrypting is done in KeychainIntentService
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KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(getActivity(),
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getString(R.string.progress_encrypting), ProgressDialog.STYLE_HORIZONTAL) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
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Notify.showNotify(getActivity(), R.string.encrypt_sign_successful,
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Notify.Style.INFO);
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if (mDeleteAfter.isChecked()) {
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// Create and show dialog to delete original file
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DeleteFileDialogFragment deleteFileDialog;
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if (mInputUri != null) {
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deleteFileDialog = DeleteFileDialogFragment.newInstance(mInputUri);
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} else {
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deleteFileDialog = DeleteFileDialogFragment
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.newInstance(mInputFilename);
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}
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deleteFileDialog.show(getActivity().getSupportFragmentManager(), "deleteDialog");
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}
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if (mShareAfter.isChecked()) {
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// Share encrypted file
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Intent sendFileIntent = new Intent(Intent.ACTION_SEND);
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sendFileIntent.setType("*/*");
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if (mOutputUri != null) {
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sendFileIntent.putExtra(Intent.EXTRA_STREAM, mOutputUri);
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} else {
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sendFileIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse(mOutputFilename));
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}
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startActivity(Intent.createChooser(sendFileIntent,
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getString(R.string.title_share_file)));
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}
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(saveHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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saveHandler.showProgressDialog(getActivity());
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// start service with intent
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getActivity().startService(intent);
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch (requestCode) {
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case REQUEST_CODE_FILE: {
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if (resultCode == Activity.RESULT_OK && data != null) {
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if (Constants.KITKAT) {
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mInputUri = data.getData();
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Cursor cursor = getActivity().getContentResolver().query(mInputUri, new String[]{OpenableColumns.DISPLAY_NAME}, null, null, null);
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if (cursor != null) {
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if (cursor.moveToNext()) {
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mInputFilename = cursor.getString(0);
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mFilename.setText(mInputFilename);
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}
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cursor.close();
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}
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} else {
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try {
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String path = FileHelper.getPath(getActivity(), data.getData());
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Log.d(Constants.TAG, "path=" + path);
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mFilename.setText(path);
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} catch (NullPointerException e) {
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Log.e(Constants.TAG, "Nullpointer while retrieving path!");
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}
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}
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}
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return;
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}
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default: {
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super.onActivityResult(requestCode, resultCode, data);
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break;
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}
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}
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}
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}
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