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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.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.helper.ActionBarHelper;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
import org.sufficientlysecure.keychain.service.OperationResults;
import org.sufficientlysecure.keychain.service.PassphraseCacheService;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAddedAdapter;
import org.sufficientlysecure.keychain.ui.dialog.EditUserIdDialogFragment;
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
import java.util.ArrayList;
public class EditKeyFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
private ListView mUserIdsList;
private ListView mKeysList;
private ListView mUserIdsAddedList;
private ListView mKeysAddedList;
private View mChangePassphrase;
private View mAddUserId;
private View mAddKey;
private static final int LOADER_ID_USER_IDS = 0;
private static final int LOADER_ID_KEYS = 1;
private UserIdsAdapter mUserIdsAdapter;
private SubkeysAdapter mKeysAdapter;
private UserIdsAddedAdapter mUserIdsAddedAdapter;
private ArrayList<UserIdsAddedAdapter.UserIdModel> mUserIdsAddedData;
private Uri mDataUri;
private SaveKeyringParcel mSaveKeyringParcel;
/**
* Creates new instance of this fragment
*/
public static EditKeyFragment newInstance(Uri dataUri) {
EditKeyFragment frag = new EditKeyFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DATA_URI, dataUri);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.edit_key_fragment, getContainer());
mUserIdsList = (ListView) view.findViewById(R.id.edit_key_user_ids);
mKeysList = (ListView) view.findViewById(R.id.edit_key_keys);
mUserIdsAddedList = (ListView) view.findViewById(R.id.edit_key_user_ids_added);
mKeysAddedList = (ListView) view.findViewById(R.id.edit_key_keys_added);
mChangePassphrase = view.findViewById(R.id.edit_key_action_change_passphrase);
mAddUserId = view.findViewById(R.id.edit_key_action_add_user_id);
mAddKey = view.findViewById(R.id.edit_key_action_add_key);
return root;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Inflate a "Done"/"Cancel" custom action bar view
ActionBarHelper.setTwoButtonView(((ActionBarActivity) getActivity()).getSupportActionBar(),
R.string.btn_save, R.drawable.ic_action_save,
new OnClickListener() {
@Override
public void onClick(View v) {
// Save
save();
}
}, R.string.menu_key_edit_cancel, R.drawable.ic_action_cancel,
new OnClickListener() {
@Override
public void onClick(View v) {
// Cancel
getActivity().finish();
}
}
);
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());
try {
Uri secretUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
WrappedSecretKeyRing keyRing =
new ProviderHelper(getActivity()).getWrappedSecretKeyRing(secretUri);
mSaveKeyringParcel = new SaveKeyringParcel(keyRing.getMasterKeyId(),
keyRing.getUncachedKeyRing().getFingerprint());
} catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "Keyring not found: " + e.getMessage(), e);
Toast.makeText(getActivity(), R.string.error_no_secret_key_found, Toast.LENGTH_SHORT).show();
getActivity().finish();
}
mChangePassphrase.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changePassphrase();
}
});
mAddUserId.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addUserId();
}
});
mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, mSaveKeyringParcel);
mUserIdsList.setAdapter(mUserIdsAdapter);
mUserIdsList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String userId = mUserIdsAdapter.getUserId(position);
editUserId(userId);
}
});
// TODO: from savedInstance?!
mUserIdsAddedData = new ArrayList<UserIdsAddedAdapter.UserIdModel>();
mUserIdsAddedAdapter = new UserIdsAddedAdapter(getActivity(), mUserIdsAddedData);
mUserIdsAddedList.setAdapter(mUserIdsAddedAdapter);
mKeysAdapter = new SubkeysAdapter(getActivity(), null, 0);
mKeysList.setAdapter(mKeysAdapter);
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
getLoaderManager().initLoader(LOADER_ID_KEYS, null, this);
}
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
setContentShown(false);
switch (id) {
case LOADER_ID_USER_IDS: {
Uri baseUri = KeychainContract.UserIds.buildUserIdsUri(mDataUri);
return new CursorLoader(getActivity(), baseUri,
UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
}
case LOADER_ID_KEYS: {
Uri baseUri = KeychainContract.Keys.buildKeysUri(mDataUri);
return new CursorLoader(getActivity(), baseUri,
SubkeysAdapter.KEYS_PROJECTION, null, null, null);
}
default:
return null;
}
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(data);
break;
case LOADER_ID_KEYS:
mKeysAdapter.swapCursor(data);
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) {
switch (loader.getId()) {
case LOADER_ID_USER_IDS:
mUserIdsAdapter.swapCursor(null);
break;
case LOADER_ID_KEYS:
mKeysAdapter.swapCursor(null);
break;
}
}
private void changePassphrase() {
// Message is received after passphrase is cached
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) {
Bundle data = message.getData();
// set new returned passphrase!
String newPassphrase = data
.getString(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE);
mSaveKeyringParcel.newPassphrase = newPassphrase;
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(returnHandler);
SetPassphraseDialogFragment setPassphraseDialog = SetPassphraseDialogFragment.newInstance(
messenger, R.string.title_change_passphrase);
setPassphraseDialog.show(getActivity().getSupportFragmentManager(), "setPassphraseDialog");
}
private void editUserId(final String userId) {
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case EditUserIdDialogFragment.MESSAGE_CHANGE_PRIMARY_USER_ID:
// toggle
if (mSaveKeyringParcel.changePrimaryUserId != null
&& mSaveKeyringParcel.changePrimaryUserId.equals(userId)) {
mSaveKeyringParcel.changePrimaryUserId = null;
} else {
mSaveKeyringParcel.changePrimaryUserId = userId;
}
break;
case EditUserIdDialogFragment.MESSAGE_REVOKE:
// toggle
if (mSaveKeyringParcel.revokeUserIds.contains(userId)) {
mSaveKeyringParcel.revokeUserIds.remove(userId);
} else {
mSaveKeyringParcel.revokeUserIds.add(userId);
}
break;
}
getLoaderManager().getLoader(LOADER_ID_USER_IDS).forceLoad();
}
};
// Create a new Messenger for the communication back
final Messenger messenger = new Messenger(returnHandler);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
EditUserIdDialogFragment dialogFragment =
EditUserIdDialogFragment.newInstance(messenger);
dialogFragment.show(getActivity().getSupportFragmentManager(), "editUserIdDialog");
}
});
}
private void addUserId() {
mUserIdsAddedAdapter.add(new UserIdsAddedAdapter.UserIdModel());
}
private void save() {
Log.d(Constants.TAG, "data: " + mUserIdsAddedAdapter.getDataAsStringList());
String passphrase = PassphraseCacheService.getCachedPassphrase(getActivity(),
mSaveKeyringParcel.mMasterKeyId);
if (passphrase == null) {
PassphraseDialogFragment.show(getActivity(), mSaveKeyringParcel.mMasterKeyId,
new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
saveFinal();
}
}
}
);
}
}
private void saveFinal() {
// Message is received after importing is done in KeychainIntentService
KeychainIntentServiceHandler saveHandler = new KeychainIntentServiceHandler(
getActivity(),
getString(R.string.progress_saving),
ProgressDialog.STYLE_HORIZONTAL) {
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentServiceHandler first
super.handleMessage(message);
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
// get returned data bundle
Bundle returnData = message.getData();
if (returnData == null) {
return;
}
final OperationResults.SaveKeyringResult result =
returnData.getParcelable(KeychainIntentService.RESULT);
if (result == null) {
return;
}
// if good -> finish, return result to showkey and display there!
// if bad -> display here!
// result.displayNotify(ImportKeysActivity.this);
// getActivity().finish();
}
}
};
// Send all information needed to service to import key in other thread
Intent intent = new Intent(getActivity(), KeychainIntentService.class);
intent.setAction(KeychainIntentService.ACTION_SAVE_KEYRING);
// fill values for this action
Bundle data = new Bundle();
data.putParcelable(KeychainIntentService.SAVE_KEYRING_PARCEL, mSaveKeyringParcel);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(getActivity());
// start service with intent
getActivity().startService(intent);
}
}
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