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Commit 07e13811 authored by Pragnya Paramita's avatar Pragnya Paramita Committed by Sivasri Kumar Vanka
Browse files

frameworks/base: Addition of Changes for ZeroBalance feature. 

--Addition of code to receive broadcast from ZeroBalanceHelper
  application for executing command to write block/unblock
  rule to Iptable.
--Addition of ZeroBalanceHelper file to be accesible by other
   modules to notify ZeroBalanceHelper application about update
   on change of SIM balance.
--Addition of rule to allow browser uid when rest all applications
  are in blocked state.
--Addition of feature flag to control the zerobalance feature.

Change-Id: Iedfd96855b36778d9d49c567f8f5b1a184633298
CRs-Fixed: 927258
parent 2cb2e8b3

core/java/android/net/ZeroBalanceHelper.java

0 → 100644
+100 −0
Original line number Diff line number Diff line 
/*

 ** Copyright (c) 2015, The Linux Foundation. All rights reserved.



 ** Redistribution and use in source and binary forms, with or without

 ** modification, are permitted provided that the following conditions are

 ** met:

 **     * Redistributions of source code must retain the above copyright

 **       notice, this list of conditions and the following disclaimer.

 **     * Redistributions in binary form must reproduce the above

 **       copyright notice, this list of conditions and the following

 **       disclaimer in the documentation and/or other materials provided

 **       with the distribution.

 **     * Neither the name of The Linux Foundation nor the names of its

 **       contributors may be used to endorse or promote products derived

 **       from this software without specific prior written permission.



 ** THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED

 ** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT

 ** ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS

 ** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR

 ** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

 ** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN

 ** IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */



package android.net;



import android.app.ActivityThread;

import android.content.Context;

import android.content.Intent;

import android.os.SystemProperties;

import android.util.Log;

import android.os.UserHandle;



import com.android.internal.R;





/** @hide */

public final class ZeroBalanceHelper {



    public static final String BACKGROUND_DATA_PROPERTY = "sys.background.data.disable";

    public static final String BACKGROUND_DATA_BROADCAST = "org.codeaurora.background.data";

    public static final String TAG = "ZeroBalance";



    private static int sRedirectCount = 0;



    private Context mContext = null;



    public ZeroBalanceHelper() {

        mContext = ActivityThread.currentApplication();

    }



    public void setBgDataProperty(String enabled) {

        Intent intent = new Intent();

        intent.setAction(BACKGROUND_DATA_BROADCAST);

        intent.putExtra("enabled", enabled);

        mContext.sendBroadcast(intent);



    }



    public String getBgDataProperty() {

        String isBgDataPropertySet = SystemProperties.get(BACKGROUND_DATA_PROPERTY, "false");

        if(Boolean.valueOf(isBgDataPropertySet)) {

            sRedirectCount = 0;

        }

        return isBgDataPropertySet;

    }



    private String getConfiguredRedirectURL() {

        String redirectURL = mContext.getResources().getString(

                com.android.internal.R.string.operator_config_url);

        Log.d(TAG, "Returning the configured redirect URL   :   "

                + redirectURL);

        return redirectURL;

    }



    public synchronized void setHttpRedirectCount(String url) {

        String redirectUrl = getConfiguredRedirectURL();

        if (redirectUrl != null && url.contains(redirectUrl)) {

            sRedirectCount++;

            Log.d(TAG, "http:sRedirectCount="+sRedirectCount);

            if (sRedirectCount >= 3) {

                Log.d(TAG,"http:Background Data will be disabled" );

                setBgDataProperty("true");

                sRedirectCount = 0;

            }

        } else {

            Log.d(TAG,"http: resetting the counter ");

            sRedirectCount = 0;

        }

    }



    public boolean getFeatureConfigValue() {

        return mContext.getResources().getBoolean(R.bool.config_zero_balance_operator);

    }

}

core/res/res/values/config.xml

+6 −0
Original line number Diff line number Diff line
@@ -2435,4 +2435,10 @@ 
     <!-- Keypress Optimization -->

    <bool name="config_enableKeypressOptimization">false</bool>

    <integer-array name="keypress_param_value"/>

    <!-- Zero Balance redirect URL config -->

    <string name="operator_config_url" translatable="false"></string>

    <!-- Zero Balance ping URL config -->

    <string name="operator_ping_url" translatable="false"></string>

    <!-- Zero Balance feature enable config -->

    <bool name="config_zero_balance_operator">false</bool>

</resources>

core/res/res/values/symbols.xml

+3 −0
Original line number Diff line number Diff line
@@ -2424,4 +2424,7 @@ 
  <!-- keypress optimization -->

  <java-symbol type="bool" name="config_enableKeypressOptimization" />

  <java-symbol type="array" name="keypress_param_value" />

  <java-symbol type="string" name="operator_config_url" />

  <java-symbol type="string" name="operator_ping_url" />

  <java-symbol type="bool" name="config_zero_balance_operator"/>

</resources>

services/core/java/com/android/server/NetworkManagementService.java

+35 −0
Original line number Diff line number Diff line
@@ -46,7 +46,10 @@ import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENAB 


import android.annotation.NonNull;

import android.app.ActivityManagerNative;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.net.ConnectivityManager;

import android.net.INetworkManagementEventObserver;

import android.net.InterfaceConfiguration;
@@ -82,6 +85,7 @@ import android.util.Slog; 
import android.util.SparseBooleanArray;

import android.util.SparseIntArray;



import com.android.internal.R;

import com.android.internal.annotations.GuardedBy;

import com.android.internal.app.IBatteryStats;

import com.android.internal.net.NetworkStatsFactory;
@@ -322,6 +326,12 @@ public class NetworkManagementService extends INetworkManagementService.Stub 


    public void systemReady() {

        prepareNativeDaemon();

        //Registering the receiver for Zerobalance blocking/unblocking

        if (mContext.getResources().getBoolean(R.bool.config_zero_balance_operator)) {

            final IntentFilter restrictFilter = new IntentFilter();

            restrictFilter.addAction("org.codeaurora.restrictData");

            mContext.registerReceiver(mZeroBalanceReceiver, restrictFilter);

        }

        if (DBG) Slog.d(TAG, "Prepared");

    }
@@ -2573,4 +2583,29 @@ public class NetworkManagementService extends INetworkManagementService.Stub 
    public void removeInterfaceFromLocalNetwork(String iface) {

        modifyInterfaceInNetwork("remove", "local", iface);

    }



    private BroadcastReceiver mZeroBalanceReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            boolean isBlockAllData = false;

            if(intent != null

                    && intent.getAction().equals("org.codeaurora.restrictData")) {

                isBlockAllData = intent.getBooleanExtra("Restrict",false);

                Log.wtf("ZeroBalance", "Intent value to block unblock data"+isBlockAllData);

            }

            mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);



            // silently discard when control disabled

            // TODO: eventually migrate to be always enabled

            if (!mBandwidthControlEnabled) return;

            try {

                Log.wtf("ZeroBalance", "before calling connector Intent"

                        +"value to block unblock data"+isBlockAllData);

                mConnector.execute("bandwidth",

                        isBlockAllData ? "blockAllData" : "unblockAllData");

            } catch (NativeDaemonConnectorException e) {

                throw e.rethrowAsParcelableException();

            }

        }

    };

}