open-keychain/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/ui/AppSettingsActivity.java
2016-02-09 00:24:46 +01:00

261 lines
9.5 KiB
Java

/*
* Copyright (C) 2013-2014 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.remote.ui;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.getbase.floatingactionbutton.FloatingActionButton;
import org.bouncycastle.util.encoders.Hex;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.remote.AppSettings;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
import org.sufficientlysecure.keychain.ui.dialog.AdvancedAppSettingsDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class AppSettingsActivity extends BaseActivity {
private Uri mAppUri;
private AppSettingsAllowedKeysListFragment mAllowedKeysFragment;
private TextView mAppNameView;
private ImageView mAppIconView;
private TextView mPackageName;
private TextView mPackageSignature;
private FloatingActionButton mStartFab;
// deprecated API
private AccountsListFragment mAccountsListFragment;
private TextView mAccountsLabel;
// model
AppSettings mAppSettings;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAccountsLabel = (TextView) findViewById(R.id.api_accounts_label);
mAppNameView = (TextView) findViewById(R.id.api_app_settings_app_name);
mAppIconView = (ImageView) findViewById(R.id.api_app_settings_app_icon);
mPackageName = (TextView) findViewById(R.id.api_app_settings_package_name);
mPackageSignature = (TextView) findViewById(R.id.api_app_settings_package_certificate);
mStartFab = (FloatingActionButton) findViewById(R.id.fab);
mStartFab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startApp();
}
});
setFullScreenDialogClose(new View.OnClickListener() {
@Override
public void onClick(View v) {
cancel();
}
});
setTitle(null);
Intent intent = getIntent();
mAppUri = intent.getData();
if (mAppUri == null) {
Log.e(Constants.TAG, "Intent data missing. Should be Uri of app!");
finish();
return;
} else {
Log.d(Constants.TAG, "uri: " + mAppUri);
loadData(savedInstanceState, mAppUri);
}
}
private void save() {
mAllowedKeysFragment.saveAllowedKeys();
setResult(Activity.RESULT_OK);
finish();
}
private void cancel() {
setResult(Activity.RESULT_CANCELED);
finish();
}
@Override
protected void initLayout() {
setContentView(R.layout.api_app_settings_activity);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.api_app_settings, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_api_save: {
save();
return true;
}
case R.id.menu_api_settings_revoke: {
revokeAccess();
return true;
}
case R.id.menu_api_settings_advanced: {
showAdvancedInfo();
return true;
}
}
return super.onOptionsItemSelected(item);
}
private void showAdvancedInfo() {
String certificate = null;
// advanced info: package certificate SHA-256
try {
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(mAppSettings.getPackageCertificate());
byte[] digest = md.digest();
certificate = new String(Hex.encode(digest));
} catch (NoSuchAlgorithmException e) {
Log.e(Constants.TAG, "Should not happen!", e);
}
AdvancedAppSettingsDialogFragment dialogFragment =
AdvancedAppSettingsDialogFragment.newInstance(mAppSettings.getPackageName(), certificate);
dialogFragment.show(getSupportFragmentManager(), "advancedDialog");
}
private void startApp() {
Intent i;
PackageManager manager = getPackageManager();
try {
i = manager.getLaunchIntentForPackage(mAppSettings.getPackageName());
if (i == null)
throw new PackageManager.NameNotFoundException();
// start like the Android launcher would do
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
i.addCategory(Intent.CATEGORY_LAUNCHER);
startActivity(i);
} catch (PackageManager.NameNotFoundException e) {
Log.e(Constants.TAG, "startApp", e);
}
}
private void loadData(Bundle savedInstanceState, Uri appUri) {
mAppSettings = new ProviderHelper(this).getApiAppSettings(appUri);
// get application name and icon from package manager
String appName;
Drawable appIcon = null;
PackageManager pm = getApplicationContext().getPackageManager();
try {
ApplicationInfo ai = pm.getApplicationInfo(mAppSettings.getPackageName(), 0);
appName = (String) pm.getApplicationLabel(ai);
appIcon = pm.getApplicationIcon(ai);
} catch (PackageManager.NameNotFoundException e) {
// fallback
appName = mAppSettings.getPackageName();
}
mAppNameView.setText(appName);
mAppIconView.setImageDrawable(appIcon);
Uri accountsUri = appUri.buildUpon().appendPath(KeychainContract.PATH_ACCOUNTS).build();
Log.d(Constants.TAG, "accountsUri: " + accountsUri);
Uri allowedKeysUri = appUri.buildUpon().appendPath(KeychainContract.PATH_ALLOWED_KEYS).build();
Log.d(Constants.TAG, "allowedKeysUri: " + allowedKeysUri);
startListFragments(savedInstanceState, accountsUri, allowedKeysUri);
}
private void startListFragments(Bundle savedInstanceState, Uri accountsUri, Uri allowedKeysUri) {
// However, if we're being restored from a previous state,
// then we don't need to do anything and should return or else
// we could end up with overlapping fragments.
if (savedInstanceState != null) {
return;
}
// show accounts only if available (deprecated API)
Cursor cursor = getContentResolver().query(accountsUri, null, null, null, null);
if (cursor != null && cursor.moveToFirst()) try {
mAccountsLabel.setVisibility(View.VISIBLE);
mAccountsListFragment = AccountsListFragment.newInstance(accountsUri);
// Create an instance of the fragments
getSupportFragmentManager().beginTransaction()
.replace(R.id.api_accounts_list_fragment, mAccountsListFragment)
.commitAllowingStateLoss();
} finally {
cursor.close();
}
// Create an instance of the fragments
mAllowedKeysFragment = AppSettingsAllowedKeysListFragment.newInstance(allowedKeysUri);
// Add the fragment to the 'fragment_container' FrameLayout
// NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
getSupportFragmentManager().beginTransaction()
.replace(R.id.api_allowed_keys_list_fragment, mAllowedKeysFragment)
.commitAllowingStateLoss();
// do it immediately!
getSupportFragmentManager().executePendingTransactions();
}
private void revokeAccess() {
if (getContentResolver().delete(mAppUri, null, null) <= 0) {
throw new RuntimeException();
}
finish();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// if a result has been returned, display a notify
if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) {
OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
result.createNotify(this).show();
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
}