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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyInputParcel;
import org.sufficientlysecure.keychain.service.KeychainService;
import org.sufficientlysecure.keychain.service.ServiceProgressHandler;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.ui.dialog.DeleteFileDialogFragment;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.util.FileHelper;
import org.sufficientlysecure.keychain.util.Log;
import java.io.File;
public class DecryptFilesFragment extends DecryptFragment {
public static final String ARG_URI = "uri";
public static final String ARG_OPEN_DIRECTLY = "open_directly";
private static final int REQUEST_CODE_INPUT = 0x00007003;
private static final int REQUEST_CODE_OUTPUT = 0x00007007;
// view
private TextView mFilename;
private CheckBox mDeleteAfter;
private View mDecryptButton;
// model
private Uri mInputUri = null;
private Uri mOutputUri = null;
/**
* Creates new instance of this fragment
*/
public static DecryptFilesFragment newInstance(Uri uri, boolean openDirectly) {
DecryptFilesFragment frag = new DecryptFilesFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_URI, uri);
args.putBoolean(ARG_OPEN_DIRECTLY, openDirectly);
frag.setArguments(args);
return frag;
}
/**
* Inflate the layout for this fragment
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.decrypt_files_fragment, container, false);
mFilename = (TextView) view.findViewById(R.id.decrypt_files_filename);
mDeleteAfter = (CheckBox) view.findViewById(R.id.decrypt_files_delete_after_decryption);
mDecryptButton = view.findViewById(R.id.decrypt_files_action_decrypt);
view.findViewById(R.id.decrypt_files_browse).setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
FileHelper.openDocument(DecryptFilesFragment.this, "*/*", REQUEST_CODE_INPUT);
} else {
FileHelper.openFile(DecryptFilesFragment.this, mInputUri, "*/*",
REQUEST_CODE_INPUT);
}
}
});
mDecryptButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
decryptAction();
}
});
return view;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putParcelable(ARG_URI, mInputUri);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Bundle state = savedInstanceState != null ? savedInstanceState : getArguments();
setInputUri(state.<Uri>getParcelable(ARG_URI));
// should only come from args
if (state.getBoolean(ARG_OPEN_DIRECTLY, false)) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
FileHelper.openDocument(DecryptFilesFragment.this, "*/*", REQUEST_CODE_INPUT);
} else {
FileHelper.openFile(DecryptFilesFragment.this, mInputUri, "*/*", REQUEST_CODE_INPUT);
}
}
}
private void setInputUri(Uri inputUri) {
if (inputUri == null) {
mInputUri = null;
mFilename.setText("");
return;
}
mInputUri = inputUri;
mFilename.setText(FileHelper.getFilename(getActivity(), mInputUri));
}
private void decryptAction() {
if (mInputUri == null) {
Notify.create(getActivity(), R.string.no_file_selected, Notify.Style.ERROR).show();
return;
}
cryptoOperation();
}
private String removeEncryptedAppend(String name) {
if (name.endsWith(Constants.FILE_EXTENSION_ASC)
|| name.endsWith(Constants.FILE_EXTENSION_PGP_MAIN)
|| name.endsWith(Constants.FILE_EXTENSION_PGP_ALTERNATE)) {
return name.substring(0, name.length() - 4);
}
return name;
}
private void askForOutputFilename(String originalFilename) {
if (TextUtils.isEmpty(originalFilename)) {
originalFilename = removeEncryptedAppend(FileHelper.getFilename(getActivity(), mInputUri));
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
File file = new File(mInputUri.getPath());
File parentDir = file.exists() ? file.getParentFile() : Constants.Path.APP_DIR;
File targetFile = new File(parentDir, originalFilename);
FileHelper.saveFile(this, getString(R.string.title_decrypt_to_file),
getString(R.string.specify_file_to_decrypt_to), targetFile, REQUEST_CODE_OUTPUT);
} else {
FileHelper.saveDocument(this, "*/*", originalFilename, REQUEST_CODE_OUTPUT);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CODE_INPUT: {
if (resultCode == Activity.RESULT_OK && data != null) {
setInputUri(data.getData());
}
return;
}
case REQUEST_CODE_OUTPUT: {
// This happens after output file was selected, so start our operation
if (resultCode == Activity.RESULT_OK && data != null) {
mOutputUri = data.getData();
cryptoOperation();
}
return;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
@Override
protected void onVerifyLoaded(boolean hideErrorOverlay) {
}
@Override
protected PgpDecryptVerifyInputParcel createOperationInput() {
return new PgpDecryptVerifyInputParcel(mInputUri, mOutputUri).setAllowSymmetricDecryption(true);
}
@Override
protected void onCryptoOperationSuccess(DecryptVerifyResult result) {
// display signature result in activity
loadVerifyResult(result);
// TODO delete after decrypt not implemented!
}
}
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