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/*
* Copyright (C) 2008 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.providers.downloads;
import android.app.DownloadManager;
import android.app.job.JobParameters;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.security.NetworkSecurityPolicy;
import android.security.net.config.ApplicationConfig;
import com.android.internal.util.ArrayUtils;
import java.security.GeneralSecurityException;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
class RealSystemFacade implements SystemFacade {
private Context mContext;
public RealSystemFacade(Context context) {
mContext = context;
}
@Override
public long currentTimeMillis() {
return System.currentTimeMillis();
}
@Override
public Network getNetwork(JobParameters params) {
return params.getNetwork();
}
@Override
public NetworkInfo getNetworkInfo(Network network, int uid, boolean ignoreBlocked) {
return mContext.getSystemService(ConnectivityManager.class)
.getNetworkInfoForUid(network, uid, ignoreBlocked);
}
@Override
public NetworkCapabilities getNetworkCapabilities(Network network) {
return mContext.getSystemService(ConnectivityManager.class)
.getNetworkCapabilities(network);
}
@Override
public long getMaxBytesOverMobile() {
final Long value = DownloadManager.getMaxBytesOverMobile(mContext);
return (value == null) ? Long.MAX_VALUE : value;
}
@Override
public long getRecommendedMaxBytesOverMobile() {
final Long value = DownloadManager.getRecommendedMaxBytesOverMobile(mContext);
return (value == null) ? Long.MAX_VALUE : value;
}
@Override
public void sendBroadcast(Intent intent) {
mContext.sendBroadcast(intent);
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission, Bundle options) {
mContext.sendBroadcast(intent, receiverPermission, options);
}
@Override
public boolean userOwnsPackage(int uid, String packageName) throws NameNotFoundException {
return mContext.getPackageManager().getApplicationInfo(packageName, 0).uid == uid;
}
@Override
public SSLContext getSSLContextForPackage(Context context, String packageName)
throws GeneralSecurityException {
ApplicationConfig appConfig;
try {
appConfig = NetworkSecurityPolicy.getApplicationConfigForPackage(context, packageName);
} catch (NameNotFoundException e) {
// Unknown package -- fallback to the default SSLContext
return SSLContext.getDefault();
}
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(null, new TrustManager[] {appConfig.getTrustManager()}, null);
return ctx;
}
/**
* Returns whether cleartext network traffic (HTTP) is permitted for the provided package to
* {@code host}.
*/
public boolean isCleartextTrafficPermitted(String packageName, String host) {
ApplicationConfig appConfig;
try {
appConfig = NetworkSecurityPolicy.getApplicationConfigForPackage(mContext, packageName);
} catch (NameNotFoundException e) {
// Unknown package -- fail for safety
return false;
}
return appConfig.isCleartextTrafficPermitted(host);
}
}
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