| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.firewall; |
| |
| import android.app.AppGlobals; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.pm.IPackageManager; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| |
| public class SenderPackageFilter implements Filter { |
| private static final String ATTR_NAME = "name"; |
| |
| public final String mPackageName; |
| |
| public SenderPackageFilter(String packageName) { |
| mPackageName = packageName; |
| } |
| |
| @Override |
| public boolean matches(IntentFirewall ifw, ComponentName resolvedComponent, Intent intent, |
| int callerUid, int callerPid, String resolvedType, int receivingUid) { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| |
| int packageUid = -1; |
| try { |
| packageUid = pm.getPackageUid(mPackageName, UserHandle.USER_OWNER); |
| } catch (RemoteException ex) { |
| // handled below |
| } |
| |
| if (packageUid == -1) { |
| return false; |
| } |
| |
| return UserHandle.isSameApp(packageUid, callerUid); |
| } |
| |
| public static final FilterFactory FACTORY = new FilterFactory("sender-package") { |
| @Override |
| public Filter newFilter(XmlPullParser parser) |
| throws IOException, XmlPullParserException { |
| String packageName = parser.getAttributeValue(null, ATTR_NAME); |
| |
| if (packageName == null) { |
| throw new XmlPullParserException( |
| "A package name must be specified.", parser, null); |
| } |
| |
| return new SenderPackageFilter(packageName); |
| } |
| }; |
| } |