0c7eea225b
- UI fixes - refactoring
180 lines
7 KiB
Java
180 lines
7 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.ProgressDialog;
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import android.content.Intent;
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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.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.EditText;
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import com.devspark.appmsg.AppMsg;
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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.compatibility.ClipboardReflection;
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import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
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import org.sufficientlysecure.keychain.pgp.PgpHelper;
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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.util.Log;
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import java.util.regex.Matcher;
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public class DecryptMessageFragment extends DecryptFragment {
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public static final String ARG_CIPHERTEXT = "ciphertext";
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// view
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private EditText mMessage;
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private View mDecryptButton;
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private View mDecryptFromCLipboardButton;
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// model
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private String mCiphertext;
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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.decrypt_message_fragment, container, false);
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mMessage = (EditText) view.findViewById(R.id.message);
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mDecryptButton = view.findViewById(R.id.action_decrypt);
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mDecryptFromCLipboardButton = view.findViewById(R.id.action_decrypt_from_clipboard);
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mDecryptButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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decryptClicked();
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}
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});
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mDecryptFromCLipboardButton.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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decryptFromClipboardClicked();
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}
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});
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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 ciphertext = getArguments().getString(ARG_CIPHERTEXT);
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if (ciphertext != null) {
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mCiphertext = ciphertext;
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decryptStart(null);
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}
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}
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private void decryptClicked() {
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mCiphertext = mMessage.getText().toString();
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decryptStart(null);
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}
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private void decryptFromClipboardClicked() {
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CharSequence clipboardText = ClipboardReflection.getClipboardText(getActivity());
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// only decrypt if clipboard content is available and a pgp message or cleartext signature
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if (clipboardText != null) {
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Matcher matcher = PgpHelper.PGP_MESSAGE.matcher(clipboardText);
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if (!matcher.matches()) {
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matcher = PgpHelper.PGP_CLEARTEXT_SIGNATURE.matcher(clipboardText);
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}
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if (matcher.matches()) {
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mCiphertext = matcher.group(1);
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decryptStart(null);
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} else {
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AppMsg.makeText(getActivity(), R.string.error_invalid_data, AppMsg.STYLE_ALERT)
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.show();
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}
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} else {
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AppMsg.makeText(getActivity(), R.string.error_invalid_data, AppMsg.STYLE_ALERT)
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.show();
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}
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}
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@Override
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protected void decryptStart(String passphrase) {
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Log.d(Constants.TAG, "decryptStart");
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// Send all information needed to service to decrypt in other thread
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Intent intent = new Intent(getActivity(), KeychainIntentService.class);
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// fill values for this action
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Bundle data = new Bundle();
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intent.setAction(KeychainIntentService.ACTION_DECRYPT_VERIFY);
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// data
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data.putInt(KeychainIntentService.TARGET, KeychainIntentService.IO_BYTES);
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data.putByteArray(KeychainIntentService.DECRYPT_CIPHERTEXT_BYTES, mCiphertext.getBytes());
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data.putString(KeychainIntentService.DECRYPT_PASSPHRASE, passphrase);
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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_decrypting), 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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// get returned data bundle
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Bundle returnData = message.getData();
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PgpDecryptVerifyResult decryptVerifyResult =
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returnData.getParcelable(KeychainIntentService.RESULT_DECRYPT_VERIFY_RESULT);
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if (PgpDecryptVerifyResult.KEY_PASSHRASE_NEEDED == decryptVerifyResult.getStatus()) {
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showPassphraseDialog(decryptVerifyResult.getKeyIdPassphraseNeeded());
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} else if (PgpDecryptVerifyResult.SYMMETRIC_PASSHRASE_NEEDED ==
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decryptVerifyResult.getStatus()) {
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showPassphraseDialog(Constants.key.symmetric);
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} else {
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byte[] decryptedMessage = returnData
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.getByteArray(KeychainIntentService.RESULT_DECRYPTED_BYTES);
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mMessage.setText(new String(decryptedMessage));
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mMessage.setHorizontallyScrolling(false);
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// display signature result in activity
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onResult(decryptVerifyResult);
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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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}
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