364 lines
14 KiB
Java
364 lines
14 KiB
Java
/*
|
|
* 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.TargetApi;
|
|
import android.content.Intent;
|
|
import android.database.Cursor;
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.Color;
|
|
import android.graphics.drawable.BitmapDrawable;
|
|
import android.graphics.drawable.ColorDrawable;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.graphics.drawable.TransitionDrawable;
|
|
import android.net.Uri;
|
|
import android.os.AsyncTask;
|
|
import android.os.Build;
|
|
import android.os.Bundle;
|
|
import android.provider.Settings;
|
|
import android.support.v4.app.LoaderManager;
|
|
import android.support.v4.content.CursorLoader;
|
|
import android.support.v4.content.Loader;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.widget.ImageView;
|
|
import android.widget.TextView;
|
|
|
|
import org.sufficientlysecure.keychain.Constants;
|
|
import org.sufficientlysecure.keychain.R;
|
|
import org.sufficientlysecure.keychain.compatibility.ClipboardReflection;
|
|
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
|
|
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
|
|
import org.sufficientlysecure.keychain.provider.KeychainContract;
|
|
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
|
|
import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
|
|
import org.sufficientlysecure.keychain.provider.ProviderHelper;
|
|
import org.sufficientlysecure.keychain.ui.dialog.ShareNfcDialogFragment;
|
|
import org.sufficientlysecure.keychain.util.Log;
|
|
import org.sufficientlysecure.keychain.util.Notify;
|
|
import org.sufficientlysecure.keychain.util.QrCodeUtils;
|
|
|
|
import java.io.IOException;
|
|
|
|
|
|
public class ViewKeyShareFragment extends LoaderFragment implements
|
|
LoaderManager.LoaderCallbacks<Cursor> {
|
|
|
|
public static final String ARG_DATA_URI = "uri";
|
|
|
|
private TextView mFingerprint;
|
|
private ImageView mFingerprintQrCode;
|
|
private View mFingerprintShareButton;
|
|
private View mFingerprintClipboardButton;
|
|
private View mKeyShareButton;
|
|
private View mKeyClipboardButton;
|
|
private View mNfcHelpButton;
|
|
private View mNfcPrefsButton;
|
|
private View mKeyUploadButton;
|
|
|
|
ProviderHelper mProviderHelper;
|
|
|
|
private static final int QR_CODE_SIZE = 1000;
|
|
|
|
private static final int LOADER_ID_UNIFIED = 0;
|
|
|
|
private Uri mDataUri;
|
|
|
|
@Override
|
|
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
|
|
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
|
|
View view = inflater.inflate(R.layout.view_key_share_fragment, getContainer());
|
|
|
|
mProviderHelper = new ProviderHelper(ViewKeyShareFragment.this.getActivity());
|
|
|
|
mFingerprint = (TextView) view.findViewById(R.id.view_key_fingerprint);
|
|
mFingerprintQrCode = (ImageView) view.findViewById(R.id.view_key_fingerprint_qr_code_image);
|
|
mFingerprintShareButton = view.findViewById(R.id.view_key_action_fingerprint_share);
|
|
mFingerprintClipboardButton = view.findViewById(R.id.view_key_action_fingerprint_clipboard);
|
|
mKeyShareButton = view.findViewById(R.id.view_key_action_key_share);
|
|
mKeyClipboardButton = view.findViewById(R.id.view_key_action_key_clipboard);
|
|
mNfcHelpButton = view.findViewById(R.id.view_key_action_nfc_help);
|
|
mNfcPrefsButton = view.findViewById(R.id.view_key_action_nfc_prefs);
|
|
mKeyUploadButton = view.findViewById(R.id.view_key_action_upload);
|
|
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
|
|
mNfcPrefsButton.setVisibility(View.VISIBLE);
|
|
} else {
|
|
mNfcPrefsButton.setVisibility(View.GONE);
|
|
}
|
|
|
|
mFingerprintQrCode.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
showQrCodeDialog();
|
|
}
|
|
});
|
|
|
|
mFingerprintShareButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
share(mDataUri, mProviderHelper, true, false);
|
|
}
|
|
});
|
|
mFingerprintClipboardButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
share(mDataUri, mProviderHelper, true, true);
|
|
}
|
|
});
|
|
mKeyShareButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
share(mDataUri, mProviderHelper, false, false);
|
|
}
|
|
});
|
|
mKeyClipboardButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
share(mDataUri, mProviderHelper, false, true);
|
|
}
|
|
});
|
|
mNfcHelpButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
showNfcHelpDialog();
|
|
}
|
|
});
|
|
mNfcPrefsButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
showNfcPrefs();
|
|
}
|
|
});
|
|
mKeyUploadButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
uploadToKeyserver();
|
|
}
|
|
});
|
|
|
|
return root;
|
|
}
|
|
|
|
private void share(Uri dataUri, ProviderHelper providerHelper, boolean fingerprintOnly,
|
|
boolean toClipboard) {
|
|
try {
|
|
String content;
|
|
if (fingerprintOnly) {
|
|
byte[] data = (byte[]) providerHelper.getGenericData(
|
|
KeyRings.buildUnifiedKeyRingUri(dataUri),
|
|
Keys.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB);
|
|
String fingerprint = PgpKeyHelper.convertFingerprintToHex(data);
|
|
if (!toClipboard) {
|
|
content = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
|
|
} else {
|
|
content = fingerprint;
|
|
}
|
|
} else {
|
|
// get public keyring as ascii armored string
|
|
Uri uri = KeychainContract.KeyRingData.buildPublicKeyRingUri(dataUri);
|
|
content = providerHelper.getKeyRingAsArmoredString(uri);
|
|
}
|
|
|
|
if (toClipboard) {
|
|
ClipboardReflection.copyToClipboard(getActivity(), content);
|
|
String message;
|
|
if (fingerprintOnly) {
|
|
message = getResources().getString(R.string.fingerprint_copied_to_clipboard);
|
|
} else {
|
|
message = getResources().getString(R.string.key_copied_to_clipboard);
|
|
}
|
|
Notify.showNotify(getActivity(), message, Notify.Style.OK);
|
|
} else {
|
|
// Android will fail with android.os.TransactionTooLargeException if key is too big
|
|
// see http://www.lonestarprod.com/?p=34
|
|
if (content.length() >= 86389) {
|
|
Notify.showNotify(getActivity(), R.string.key_too_big_for_sharing,
|
|
Notify.Style.ERROR);
|
|
return;
|
|
}
|
|
|
|
// let user choose application
|
|
Intent sendIntent = new Intent(Intent.ACTION_SEND);
|
|
sendIntent.putExtra(Intent.EXTRA_TEXT, content);
|
|
sendIntent.setType("text/plain");
|
|
String title;
|
|
if (fingerprintOnly) {
|
|
title = getResources().getString(R.string.title_share_fingerprint_with);
|
|
} else {
|
|
title = getResources().getString(R.string.title_share_key);
|
|
}
|
|
startActivity(Intent.createChooser(sendIntent, title));
|
|
}
|
|
} catch (PgpGeneralException e) {
|
|
Log.e(Constants.TAG, "error processing key!", e);
|
|
Notify.showNotify(getActivity(), R.string.error_key_processing, Notify.Style.ERROR);
|
|
} catch (IOException e) {
|
|
Log.e(Constants.TAG, "error processing key!", e);
|
|
Notify.showNotify(getActivity(), R.string.error_key_processing, Notify.Style.ERROR);
|
|
} catch (ProviderHelper.NotFoundException e) {
|
|
Log.e(Constants.TAG, "key not found!", e);
|
|
Notify.showNotify(getActivity(), R.string.error_key_not_found, Notify.Style.ERROR);
|
|
}
|
|
}
|
|
|
|
private void showQrCodeDialog() {
|
|
Intent qrCodeIntent = new Intent(getActivity(), QrCodeActivity.class);
|
|
qrCodeIntent.setData(mDataUri);
|
|
startActivity(qrCodeIntent);
|
|
}
|
|
|
|
private void showNfcHelpDialog() {
|
|
ShareNfcDialogFragment dialog = ShareNfcDialogFragment.newInstance();
|
|
dialog.show(getActivity().getSupportFragmentManager(), "shareNfcDialog");
|
|
}
|
|
|
|
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
|
|
private void showNfcPrefs() {
|
|
Intent intentSettings = new Intent(
|
|
Settings.ACTION_NFCSHARING_SETTINGS);
|
|
startActivity(intentSettings);
|
|
}
|
|
|
|
@Override
|
|
public void onActivityCreated(Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
|
|
Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
|
|
if (dataUri == null) {
|
|
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
|
|
getActivity().finish();
|
|
return;
|
|
}
|
|
|
|
loadData(dataUri);
|
|
}
|
|
|
|
private void loadData(Uri dataUri) {
|
|
mDataUri = dataUri;
|
|
|
|
Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
|
|
|
|
// Prepare the loaders. Either re-connect with an existing ones,
|
|
// or start new ones.
|
|
getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
|
|
}
|
|
|
|
static final String[] UNIFIED_PROJECTION = new String[]{
|
|
KeyRings._ID, KeyRings.MASTER_KEY_ID, KeyRings.HAS_ANY_SECRET,
|
|
KeyRings.USER_ID, KeyRings.FINGERPRINT,
|
|
KeyRings.ALGORITHM, KeyRings.KEY_SIZE, KeyRings.CREATION, KeyRings.EXPIRY,
|
|
|
|
};
|
|
static final int INDEX_UNIFIED_MASTER_KEY_ID = 1;
|
|
static final int INDEX_UNIFIED_HAS_ANY_SECRET = 2;
|
|
static final int INDEX_UNIFIED_USER_ID = 3;
|
|
static final int INDEX_UNIFIED_FINGERPRINT = 4;
|
|
static final int INDEX_UNIFIED_ALGORITHM = 5;
|
|
static final int INDEX_UNIFIED_KEY_SIZE = 6;
|
|
static final int INDEX_UNIFIED_CREATION = 7;
|
|
static final int INDEX_UNIFIED_EXPIRY = 8;
|
|
|
|
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
|
|
setContentShown(false);
|
|
switch (id) {
|
|
case LOADER_ID_UNIFIED: {
|
|
Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri);
|
|
return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null);
|
|
}
|
|
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
|
|
/* TODO better error handling? May cause problems when a key is deleted,
|
|
* because the notification triggers faster than the activity closes.
|
|
*/
|
|
// Avoid NullPointerExceptions...
|
|
if (data.getCount() == 0) {
|
|
return;
|
|
}
|
|
// Swap the new cursor in. (The framework will take care of closing the
|
|
// old cursor once we return.)
|
|
switch (loader.getId()) {
|
|
case LOADER_ID_UNIFIED: {
|
|
if (data.moveToFirst()) {
|
|
|
|
byte[] fingerprintBlob = data.getBlob(INDEX_UNIFIED_FINGERPRINT);
|
|
String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob);
|
|
mFingerprint.setText(PgpKeyHelper.colorizeFingerprint(fingerprint));
|
|
|
|
loadQrCode(fingerprint);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
setContentShown(true);
|
|
}
|
|
|
|
/**
|
|
* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
|
|
* We need to make sure we are no longer using it.
|
|
*/
|
|
public void onLoaderReset(Loader<Cursor> loader) {
|
|
}
|
|
|
|
/**
|
|
* Load QR Code asynchronously and with a fade in animation
|
|
*
|
|
* @param fingerprint
|
|
*/
|
|
private void loadQrCode(final String fingerprint) {
|
|
AsyncTask<Void, Void, Bitmap> loadTask =
|
|
new AsyncTask<Void, Void, Bitmap>() {
|
|
protected Bitmap doInBackground(Void... unused) {
|
|
String qrCodeContent = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
|
|
return QrCodeUtils.getQRCodeBitmap(qrCodeContent, QR_CODE_SIZE);
|
|
}
|
|
|
|
protected void onPostExecute(Bitmap qrCode) {
|
|
mFingerprintQrCode.setImageBitmap(qrCode);
|
|
|
|
// Transition drawable with a transparent drawable and the final bitmap
|
|
final TransitionDrawable td =
|
|
new TransitionDrawable(new Drawable[]{
|
|
new ColorDrawable(Color.TRANSPARENT),
|
|
new BitmapDrawable(getResources(), qrCode)
|
|
});
|
|
|
|
mFingerprintQrCode.setImageDrawable(td);
|
|
td.startTransition(200);
|
|
}
|
|
};
|
|
|
|
loadTask.execute();
|
|
}
|
|
|
|
private void uploadToKeyserver() {
|
|
Intent uploadIntent = new Intent(getActivity(), UploadKeyActivity.class);
|
|
uploadIntent.setData(mDataUri);
|
|
startActivityForResult(uploadIntent, 0);
|
|
}
|
|
|
|
}
|