223 lines
9 KiB
Java
223 lines
9 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.content.Intent;
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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.support.v4.app.Fragment;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import org.openintents.openpgp.OpenPgpSignatureResult;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
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import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
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import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
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public abstract class DecryptFragment extends Fragment {
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private static final int RESULT_CODE_LOOKUP_KEY = 0x00007006;
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protected long mSignatureKeyId = 0;
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protected LinearLayout mResultLayout;
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protected RelativeLayout mSignatureLayout;
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protected TextView mResultText;
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protected ImageView mSignatureStatusImage;
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protected TextView mUserId;
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protected TextView mUserIdRest;
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protected Button mLookupKey;
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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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mResultLayout = (LinearLayout) getView().findViewById(R.id.result);
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mResultText = (TextView) getView().findViewById(R.id.result_text);
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mSignatureLayout = (RelativeLayout) getView().findViewById(R.id.result_signature);
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mSignatureStatusImage = (ImageView) getView().findViewById(R.id.ic_signature_status);
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mUserId = (TextView) getView().findViewById(R.id.mainUserId);
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mUserIdRest = (TextView) getView().findViewById(R.id.mainUserIdRest);
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mLookupKey = (Button) getView().findViewById(R.id.lookup_key);
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mLookupKey.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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lookupUnknownKey(mSignatureKeyId);
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}
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});
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mResultLayout.setVisibility(View.GONE);
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}
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private void lookupUnknownKey(long unknownKeyId) {
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Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
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intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER);
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intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, unknownKeyId);
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startActivityForResult(intent, RESULT_CODE_LOOKUP_KEY);
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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 RESULT_CODE_LOOKUP_KEY: {
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if (resultCode == Activity.RESULT_OK) {
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// TODO: generate new OpenPgpSignatureResult and display it
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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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protected void onResult(PgpDecryptVerifyResult decryptVerifyResult) {
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OpenPgpSignatureResult signatureResult = decryptVerifyResult.getSignatureResult();
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mSignatureKeyId = 0;
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mResultLayout.setVisibility(View.VISIBLE);
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if (signatureResult != null) {
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mSignatureStatusImage.setVisibility(View.VISIBLE);
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mSignatureKeyId = signatureResult.getKeyId();
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String userId = signatureResult.getUserId();
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String[] userIdSplit = KeyRing.splitUserId(userId);
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if (userIdSplit[0] != null) {
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mUserId.setText(userIdSplit[0]);
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} else {
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mUserId.setText(R.string.user_id_no_name);
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}
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if (userIdSplit[1] != null) {
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mUserIdRest.setText(userIdSplit[1]);
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} else {
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mUserIdRest.setText(getString(R.string.label_key_id) + ": "
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+ PgpKeyHelper.convertKeyIdToHex(mSignatureKeyId));
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}
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switch (signatureResult.getStatus()) {
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case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED: {
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if (signatureResult.isSignatureOnly()) {
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mResultText.setText(R.string.decrypt_result_signature_certified);
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} else {
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mResultText.setText(R.string.decrypt_result_decrypted_and_signature_certified);
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}
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_green_light));
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mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
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mSignatureLayout.setVisibility(View.VISIBLE);
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mLookupKey.setVisibility(View.GONE);
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break;
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}
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case OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED: {
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if (signatureResult.isSignatureOnly()) {
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mResultText.setText(R.string.decrypt_result_signature_uncertified);
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} else {
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mResultText.setText(R.string.decrypt_result_decrypted_and_signature_uncertified);
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}
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_orange_light));
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mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
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mSignatureLayout.setVisibility(View.VISIBLE);
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mLookupKey.setVisibility(View.GONE);
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break;
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}
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case OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY: {
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if (signatureResult.isSignatureOnly()) {
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mResultText.setText(R.string.decrypt_result_signature_unknown_pub_key);
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} else {
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mResultText.setText(R.string.decrypt_result_decrypted_unknown_pub_key);
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}
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_orange_light));
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mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
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mSignatureLayout.setVisibility(View.VISIBLE);
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mLookupKey.setVisibility(View.VISIBLE);
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break;
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}
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case OpenPgpSignatureResult.SIGNATURE_ERROR: {
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mResultText.setText(R.string.decrypt_result_invalid_signature);
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_red_light));
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mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
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mSignatureLayout.setVisibility(View.GONE);
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mLookupKey.setVisibility(View.GONE);
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break;
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}
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default: {
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mResultText.setText(R.string.error);
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_red_light));
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mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
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mSignatureLayout.setVisibility(View.GONE);
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mLookupKey.setVisibility(View.GONE);
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break;
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}
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}
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} else {
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mSignatureLayout.setVisibility(View.GONE);
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mLookupKey.setVisibility(View.GONE);
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// successful decryption-only
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mResultLayout.setBackgroundColor(getResources().getColor(R.color.android_purple_light));
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mResultText.setText(R.string.decrypt_result_decrypted);
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}
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}
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protected void showPassphraseDialog(long keyId) {
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PassphraseDialogFragment.show(getActivity(), keyId,
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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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String passphrase =
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message.getData().getString(PassphraseDialogFragment.MESSAGE_DATA_PASSPHRASE);
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decryptStart(passphrase);
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}
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}
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}
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);
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}
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/**
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* Should be overridden by MessageFragment and FileFragment to start actual decryption
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*
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* @param passphrase
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*/
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protected abstract void decryptStart(String passphrase);
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}
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