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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.affirmations;
import android.content.Intent;
import android.graphics.PorterDuff;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageView;
import org.openintents.openpgp.OpenPgpSignatureResult;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.affirmation.resources.GenericHttpsResource;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.util.Notify;
import org.sufficientlysecure.keychain.ui.util.Notify.Style;
import org.sufficientlysecure.keychain.util.FileHelper;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.net.URISyntaxException;
public class AffirmationCreateHttpsStep2Fragment extends Fragment {
private static final int REQUEST_CODE_OUTPUT = 0x00007007;
public static final String URI = "uri", TEXT = "text";
AffirmationWizard mAffirmationWizard;
EditText mEditUri;
ImageView mVerifyImage;
View mVerifyProgress;
String mResourceUri;
String mProofString;
/**
* Creates new instance of this fragment
*/
public static AffirmationCreateHttpsStep2Fragment newInstance(String uri, String proofText) {
AffirmationCreateHttpsStep2Fragment frag = new AffirmationCreateHttpsStep2Fragment();
Bundle args = new Bundle();
args.putString(URI, uri);
args.putString(TEXT, proofText);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.affirmation_create_https_fragment_step2, container, false);
mResourceUri = getArguments().getString(URI);
mProofString = getArguments().getString(TEXT);
view.findViewById(R.id.next_button).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// AffirmationCreateHttpsStep2Fragment frag =
// AffirmationCreateHttpsStep2Fragment.newInstance();
// mAffirmationWizard.loadFragment(null, frag, AffirmationWizard.FRAG_ACTION_TO_RIGHT);
}
});
mVerifyImage = (ImageView) view.findViewById(R.id.verify_image);
mVerifyProgress = view.findViewById(R.id.verify_progress);
view.findViewById(R.id.button_send).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
proofSend();
}
});
view.findViewById(R.id.button_save).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
proofSave();
}
});
view.findViewById(R.id.button_verify).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
proofVerify();
}
});
mEditUri = (EditText) view.findViewById(R.id.affirmation_create_https_uri);
mEditUri.setText(mResourceUri);
setVerifyProgress(false, null);
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mAffirmationWizard = (AffirmationWizard) getActivity();
}
public void setVerifyProgress(boolean on, Boolean success) {
mVerifyProgress.setVisibility(on ? View.VISIBLE : View.GONE);
mVerifyImage.setVisibility(on ? View.GONE : View.VISIBLE);
if (success == null) {
mVerifyImage.setImageResource(R.drawable.status_signature_unverified_cutout);
mVerifyImage.setColorFilter(getResources().getColor(R.color.tertiary_text_light),
PorterDuff.Mode.SRC_IN);
} else if (success) {
mVerifyImage.setImageResource(R.drawable.status_signature_verified_cutout);
mVerifyImage.setColorFilter(getResources().getColor(R.color.android_green_dark),
PorterDuff.Mode.SRC_IN);
} else {
mVerifyImage.setImageResource(R.drawable.status_signature_unknown_cutout);
mVerifyImage.setColorFilter(getResources().getColor(R.color.android_red_dark),
PorterDuff.Mode.SRC_IN);
}
}
public void proofVerify() {
setVerifyProgress(true, null);
try {
final GenericHttpsResource resource = GenericHttpsResource.createNew(new URI(mResourceUri));
new AsyncTask<Void,Void,DecryptVerifyResult>() {
@Override
protected DecryptVerifyResult doInBackground(Void... params) {
try {
return resource.verify(getActivity(), new ProviderHelper(getActivity()), null);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(DecryptVerifyResult result) {
super.onPostExecute(result);
if (result.success()) {
switch (result.getSignatureResult().getStatus()) {
case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED:
setVerifyProgress(false, true);
break;
default:
setVerifyProgress(false, false);
// on error, show error message
result.createNotify(getActivity()).show();
}
} else {
setVerifyProgress(false, false);
// on error, show error message
result.createNotify(getActivity()).show();
}
}
}.execute();
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
private void proofSend() {
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, mProofString);
sendIntent.setType("text/plain");
startActivity(sendIntent);
}
private void proofSave () {
String state = Environment.getExternalStorageState();
if (!Environment.MEDIA_MOUNTED.equals(state)) {
Notify.showNotify(getActivity(), "External storage not available!", Style.ERROR);
return;
}
String targetName = "pgpkey.txt";
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
File targetFile = new File(Constants.Path.APP_DIR, targetName);
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, "text/plain", targetName, REQUEST_CODE_OUTPUT);
}
}
private void saveFile(Uri uri) {
try {
PrintWriter out =
new PrintWriter(getActivity().getContentResolver().openOutputStream(uri));
out.print(mProofString);
if (out.checkError()) {
Notify.showNotify(getActivity(), "Error writing file!", Style.ERROR);
}
} catch (FileNotFoundException e) {
Notify.showNotify(getActivity(), "File could not be opened for writing!", Style.ERROR);
e.printStackTrace();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_CODE_OUTPUT:
if (data == null) {
return;
}
Uri uri = data.getData();
saveFile(uri);
break;
}
super.onActivityResult(requestCode, resultCode, data);
}
}
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