Merge "NetworkRecommendationProviders require the location permission." into oc-mr1-dev (f16bb771) · Commits · e / os / android_frameworks_base

core/java/android/net/NetworkRecommendationProvider.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import java.util.concurrent.Executor;
		* A network recommendation provider is any application which:
		* <ul>
		* <li>Is granted the {@link permission#SCORE_NETWORKS} permission.
		* <li>Is granted the {@link permission#ACCESS_COARSE_LOCATION} permission.
		* <li>Includes a Service for the {@link NetworkScoreManager#ACTION_RECOMMEND_NETWORKS} intent
		* which is protected by the {@link permission#BIND_NETWORK_RECOMMENDATION_SERVICE} permission.
		* </ul>

core/java/android/net/NetworkScoreManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -38,7 +38,8 @@ import java.util.List;
		*
		* <p>A network scorer is any application which:
		* <ul>
		* <li>Declares the {@link permission#SCORE_NETWORKS} permission.
		* <li>Is granted the {@link permission#SCORE_NETWORKS} permission.
		* <li>Is granted the {@link permission#ACCESS_COARSE_LOCATION} permission.
		* <li>Include a Service for the {@link #ACTION_RECOMMEND_NETWORKS} action
		* protected by the {@link permission#BIND_NETWORK_RECOMMENDATION_SERVICE}
		* permission.

core/res/res/values/config.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -1391,6 +1391,7 @@
		<!-- The package name of the default network recommendation app.
		A network recommendation provider must:
		* Be granted the SCORE_NETWORKS permission.
		* Be granted the ACCESS_COARSE_LOCATION permission.
		* Include a Service for the android.net.scoring.RECOMMEND_NETWORKS action
		protected by the BIND_NETWORK_RECOMMENDATION_SERVICE permission.

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

+15 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.content.IntentFilter;
		import android.content.ServiceConnection;
		import android.content.pm.PackageManager;
		import android.database.ContentObserver;
		import android.location.LocationManager;
		import android.net.INetworkRecommendationProvider;
		import android.net.INetworkScoreCache;
		import android.net.INetworkScoreService;
		@@ -113,6 +114,16 @@ public class NetworkScoreService extends INetworkScoreService.Stub {
		}
		};

		private BroadcastReceiver mLocationModeReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		final String action = intent.getAction();
		if (LocationManager.MODE_CHANGED_ACTION.equals(action)) {
		refreshBinding();
		}
		}
		};

		/**
		* Clears scores when the active scorer package is no longer valid and
		* manages the service connection.
		@@ -241,6 +252,10 @@ public class NetworkScoreService extends INetworkScoreService.Stub {
		mUserIntentReceiver, UserHandle.SYSTEM, filter, null /* broadcastPermission*/,
		null /* scheduler */);
		mHandler = new ServiceHandler(looper);
		IntentFilter locationModeFilter = new IntentFilter(LocationManager.MODE_CHANGED_ACTION);
		mContext.registerReceiverAsUser(
		mLocationModeReceiver, UserHandle.SYSTEM, locationModeFilter,
		null /* broadcastPermission*/, mHandler);
		mContentObserver = new DispatchingContentObserver(context, mHandler);
		mServiceConnProducer = serviceConnProducer;
		}

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

+44 −15

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package com.android.server;

		import android.Manifest.permission;
		import android.annotation.Nullable;
		import android.app.AppOpsManager;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		@@ -79,7 +80,7 @@ public class NetworkScorerAppManager {
		List<NetworkScorerAppData> appDataList = new ArrayList<>();
		for (int i = 0; i < resolveInfos.size(); i++) {
		final ServiceInfo serviceInfo = resolveInfos.get(i).serviceInfo;
		if (hasPermissions(serviceInfo.packageName)) {
		if (hasPermissions(serviceInfo.applicationInfo.uid, serviceInfo.packageName)) {
		if (VERBOSE) {
		Log.v(TAG, serviceInfo.packageName + " is a valid scorer/recommender.");
		}
		@@ -197,12 +198,33 @@ public class NetworkScorerAppManager {
		return null;
		}

		private boolean hasPermissions(String packageName) {
		private boolean hasPermissions(final int uid, final String packageName) {
		return hasScoreNetworksPermission(packageName)
		&& canAccessLocation(uid, packageName);
		}

		private boolean hasScoreNetworksPermission(String packageName) {
		final PackageManager pm = mContext.getPackageManager();
		return pm.checkPermission(permission.SCORE_NETWORKS, packageName)
		== PackageManager.PERMISSION_GRANTED;
		}

		private boolean canAccessLocation(int uid, String packageName) {
		final PackageManager pm = mContext.getPackageManager();
		final AppOpsManager appOpsManager =
		(AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
		return isLocationModeEnabled()
		&& pm.checkPermission(permission.ACCESS_COARSE_LOCATION, packageName)
		== PackageManager.PERMISSION_GRANTED
		&& appOpsManager.noteOp(AppOpsManager.OP_COARSE_LOCATION, uid, packageName)
		== AppOpsManager.MODE_ALLOWED;
		}

		private boolean isLocationModeEnabled() {
		return mSettingsFacade.getSecureInt(mContext, Settings.Secure.LOCATION_MODE,
		Settings.Secure.LOCATION_MODE_OFF) != Settings.Secure.LOCATION_MODE_OFF;
		}

		/**
		* Set the specified package as the default scorer application.
		*
		@@ -270,23 +292,20 @@ public class NetworkScorerAppManager {
		return;
		}

		// the active scorer isn't valid, revert to the default if it's different
		int newEnabledSetting = NetworkScoreManager.RECOMMENDATIONS_ENABLED_OFF;
		// the active scorer isn't valid, revert to the default if it's different and valid
		final String defaultPackageName = getDefaultPackageSetting();
		if (!TextUtils.equals(currentPackageName, defaultPackageName)) {
		setNetworkRecommendationsPackage(defaultPackageName);
		if (!TextUtils.equals(currentPackageName, defaultPackageName)
		&& getScorer(defaultPackageName) != null) {
		if (DEBUG) {
		Log.d(TAG, "Defaulted the network recommendations app to: " + defaultPackageName);
		}
		if (getScorer(defaultPackageName) != null) { // the default is valid
		if (DEBUG) Log.d(TAG, defaultPackageName + " is now the active scorer.");
		setNetworkRecommendationsEnabledSetting(
		NetworkScoreManager.RECOMMENDATIONS_ENABLED_ON);
		} else { // the default isn't valid either, we're disabled at this point
		if (DEBUG) Log.d(TAG, defaultPackageName + " is not an active scorer.");
		setNetworkRecommendationsEnabledSetting(
		NetworkScoreManager.RECOMMENDATIONS_ENABLED_OFF);
		Log.d(TAG, "Defaulting the network recommendations app to: "
		+ defaultPackageName);
		}
		setNetworkRecommendationsPackage(defaultPackageName);
		newEnabledSetting = NetworkScoreManager.RECOMMENDATIONS_ENABLED_ON;
		}

		setNetworkRecommendationsEnabledSetting(newEnabledSetting);
		}

		/**
		@@ -352,6 +371,9 @@ public class NetworkScorerAppManager {
		private void setNetworkRecommendationsPackage(String packageName) {
		mSettingsFacade.putString(mContext,
		Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE, packageName);
		if (VERBOSE) {
		Log.d(TAG, Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE + " set to " + packageName);
		}
		}

		private int getNetworkRecommendationsEnabledSetting() {
		@@ -361,6 +383,9 @@ public class NetworkScorerAppManager {
		private void setNetworkRecommendationsEnabledSetting(int value) {
		mSettingsFacade.putInt(mContext,
		Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, value);
		if (VERBOSE) {
		Log.d(TAG, Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED + " set to " + value);
		}
		}

		/**
		@@ -382,5 +407,9 @@ public class NetworkScorerAppManager {
		public int getInt(Context context, String name, int defaultValue) {
		return Settings.Global.getInt(context.getContentResolver(), name, defaultValue);
		}

		public int getSecureInt(Context context, String name, int defaultValue) {
		return Settings.Secure.getInt(context.getContentResolver(), name, defaultValue);
		}
		}
		}