Merge "Permit system dialer callscreeningservice to access sip invite." into qt-dev (6ebd7c5c) · Commits · e / os / android_packages_services_Telecomm

src/com/android/server/telecom/CallScreeningServiceHelper.java

+3 −2

Original line number	Diff line number	Diff line
		@@ -23,7 +23,6 @@ import android.content.Intent;
		import android.content.ServiceConnection;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		import android.os.Binder;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.RemoteException;
		@@ -123,8 +122,10 @@ public class CallScreeningServiceHelper {
		Log.continueSession(mLoggingSession, "CSSH.oSC");
		try {
		try {
		// Note: for outgoing calls, never include the restricted extras.
		screeningService.screenCall(new CallScreeningAdapter(),
		mParcelableCallUtilsConverter.toParcelableCallForScreening(mCall));
		mParcelableCallUtilsConverter.toParcelableCallForScreening(mCall,
		false /* areRestrictedExtrasIncluded */));
		} catch (RemoteException e) {
		Log.w(CallScreeningServiceHelper.this,
		"Cancelling call id due to remote exception");

src/com/android/server/telecom/ParcelableCallUtils.java

+54 −5

Original line number	Diff line number	Diff line
		@@ -52,6 +52,17 @@ public class ParcelableCallUtils {
		EXTRA_KEYS_TO_SANITIZE.add(android.telecom.Connection.EXTRA_SIP_INVITE);
		}

		/**
		* A list of extra keys which should be added to {@link ParcelableCall} when it is being
		* generated for the purpose of sending to a CallScreeningService which has access to these
		* restricted keys.
		*/
		private static List<String> RESTRICTED_CALL_SCREENING_EXTRA_KEYS;
		static {
		RESTRICTED_CALL_SCREENING_EXTRA_KEYS = new ArrayList<>();
		RESTRICTED_CALL_SCREENING_EXTRA_KEYS.add(android.telecom.Connection.EXTRA_SIP_INVITE);
		}

		public static class Converter {
		public ParcelableCall toParcelableCall(Call call, boolean includeVideoProvider,
		PhoneAccountRegistrar phoneAccountRegistrar) {
		@@ -59,8 +70,10 @@ public class ParcelableCallUtils {
		call, includeVideoProvider, phoneAccountRegistrar, false, false, false);
		}

		public ParcelableCall toParcelableCallForScreening(Call call) {
		return ParcelableCallUtils.toParcelableCallForScreening(call);
		public ParcelableCall toParcelableCallForScreening(Call call,
		boolean areRestrictedExtrasIncluded) {
		return ParcelableCallUtils.toParcelableCallForScreening(call,
		areRestrictedExtrasIncluded);
		}
		}

		@@ -256,10 +269,17 @@ public class ParcelableCallUtils {
		* <li>Handle (phone number) presentation</li>
		* </ul>
		* All other fields are nulled or set to 0 values.
		* Where the call screening service is part of the system dialer, the
		* {@link Connection#EXTRA_SIP_INVITE} header information is also sent to the call screening
		* service (since the system dialer has access to this anyways).
		* @param call The telecom call to send to a call screening service.
		* @param areRestrictedExtrasIncluded {@code true} if the set of restricted extras defined in
		* {@link #RESTRICTED_CALL_SCREENING_EXTRA_KEYS} are to
		* be included in the parceled call, {@code false} otherwise.
		* @return Minimal {@link ParcelableCall} to send to the call screening service.
		*/
		public static ParcelableCall toParcelableCallForScreening(Call call) {
		public static ParcelableCall toParcelableCallForScreening(Call call,
		boolean areRestrictedExtrasIncluded) {
		Uri handle = call.getHandlePresentation() == TelecomManager.PRESENTATION_ALLOWED ?
		call.getHandle() : null;
		int callDirection;
		@@ -270,6 +290,13 @@ public class ParcelableCallUtils {
		} else {
		callDirection = DIRECTION_OUTGOING;
		}
		Bundle callExtras;
		if (areRestrictedExtrasIncluded) {
		callExtras = sanitizeRestrictedCallExtras(call.getExtras());
		} else {
		callExtras = new Bundle();
		}

		return new ParcelableCall(
		call.getId(),
		getParcelableState(call, false /* supportsExternalCalls */),
		@@ -295,7 +322,7 @@ public class ParcelableCallUtils {
		0, /* videoState */
		Collections.emptyList(), /* conferenceableCallIds */
		null, /* intentExtras */
		null, /* callExtras */
		callExtras, /* callExtras */
		call.getCreationTimeMillis(),
		callDirection);
		}
		@@ -303,7 +330,7 @@ public class ParcelableCallUtils {
		/**
		* Sanitize the extras bundle passed in, removing keys which should not be sent to non-system
		* dialer apps.
		* @param extras Extras bundle to sanitize.
		* @param oldExtras Extras bundle to sanitize.
		* @return The sanitized extras bundle.
		*/
		private static Bundle sanitizeExtras(Bundle oldExtras) {
		@@ -326,6 +353,28 @@ public class ParcelableCallUtils {
		return extras;
		}

		/**
		* Sanitize the extras bundle passed in, removing keys which should not be sent to call
		* screening services which have access to the restricted extras.
		* @param oldExtras Extras bundle to sanitize.
		* @return The sanitized extras bundle.
		*/
		private static Bundle sanitizeRestrictedCallExtras(Bundle oldExtras) {
		if (oldExtras == null) {
		return new Bundle();
		}
		Bundle extras = new Bundle(oldExtras);
		Iterator<String> toCheck = extras.keySet().iterator();
		while (toCheck.hasNext()) {
		String extraKey = toCheck.next();
		if (TextUtils.isEmpty(extraKey)
		\|\| !RESTRICTED_CALL_SCREENING_EXTRA_KEYS.contains(extraKey)) {
		toCheck.remove();
		}
		}
		return extras;
		}

		private static int getParcelableState(Call call, boolean supportsExternalCalls) {
		int state = CallState.NEW;
		switch (call.getState()) {

src/com/android/server/telecom/callfiltering/CallScreeningServiceController.java

+13 −3

Original line number	Diff line number	Diff line
		@@ -160,7 +160,8 @@ public class CallScreeningServiceController implements IncomingCallFilter.CallFi
		bindDefaultDialerAndUserChosenService();
		} else {
		createCallScreeningServiceFilter().startCallScreeningFilter(mCall, this,
		carrierPackageName, mAppLabelProxy.getAppLabel(carrierPackageName));
		carrierPackageName, mAppLabelProxy.getAppLabel(carrierPackageName),
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_CARRIER);
		}

		// Carrier filtering timed out
		@@ -178,12 +179,16 @@ public class CallScreeningServiceController implements IncomingCallFilter.CallFi
		private void bindDefaultDialerAndUserChosenService() {
		if (mIsCarrierFinished) {
		String dialerPackageName = getDefaultDialerPackageName();
		String systemDialerPackageName = getSystemDialerPackageName();
		if (TextUtils.isEmpty(dialerPackageName)) {
		mIsDefaultDialerFinished = true;
		} else {
		int dialerType = dialerPackageName.equals(systemDialerPackageName) ?
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_SYSTEM_DIALER :
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_DEFAULT_DIALER;
		createCallScreeningServiceFilter().startCallScreeningFilter(mCall,
		CallScreeningServiceController.this, dialerPackageName,
		mAppLabelProxy.getAppLabel(dialerPackageName));
		mAppLabelProxy.getAppLabel(dialerPackageName), dialerType);
		}

		String userChosenPackageName = getUserChosenPackageName();
		@@ -192,7 +197,8 @@ public class CallScreeningServiceController implements IncomingCallFilter.CallFi
		} else {
		createCallScreeningServiceFilter().startCallScreeningFilter(mCall,
		CallScreeningServiceController.this, userChosenPackageName,
		mAppLabelProxy.getAppLabel(userChosenPackageName));
		mAppLabelProxy.getAppLabel(userChosenPackageName),
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		}

		if (mIsDefaultDialerFinished && mIsUserChosenFinished) {
		@@ -257,6 +263,10 @@ public class CallScreeningServiceController implements IncomingCallFilter.CallFi
		return TelecomManager.from(mContext).getDefaultDialerPackage();
		}

		private String getSystemDialerPackageName() {
		return TelecomManager.from(mContext).getSystemDialerPackage();
		}

		private String getUserChosenPackageName() {
		return mCallsManager.getRoleManagerAdapter().getDefaultCallScreeningApp();
		}

src/com/android/server/telecom/callfiltering/CallScreeningServiceFilter.java

+18 −11

Original line number	Diff line number	Diff line
		@@ -16,12 +16,9 @@

		package com.android.server.telecom.callfiltering;

		import android.Manifest;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.content.pm.ResolveInfo;
		import android.os.Binder;
		import android.os.IBinder;
		import android.os.PersistableBundle;
		@@ -29,9 +26,7 @@ import android.os.RemoteException;
		import android.os.UserHandle;
		import android.provider.CallLog;
		import android.provider.Settings;
		import android.telecom.CallScreeningService;
		import android.telecom.Log;
		import android.telecom.ParcelableCall;
		import android.telecom.TelecomManager;
		import android.telephony.CarrierConfigManager;
		import android.text.TextUtils;
		@@ -47,14 +42,17 @@ import com.android.server.telecom.PhoneAccountRegistrar;
		import com.android.server.telecom.TelecomServiceImpl.SettingsSecureAdapter;
		import com.android.server.telecom.TelecomSystem;

		import java.util.List;

		/**
		* Binds to {@link ICallScreeningService} to allow call blocking. A single instance of this class
		* handles a single call.
		*/
		public class CallScreeningServiceFilter {

		public static final int CALL_SCREENING_FILTER_TYPE_USER_SELECTED = 1;
		public static final int CALL_SCREENING_FILTER_TYPE_DEFAULT_DIALER = 2;
		public static final int CALL_SCREENING_FILTER_TYPE_SYSTEM_DIALER = 3;
		public static final int CALL_SCREENING_FILTER_TYPE_CARRIER = 4;

		public interface CallScreeningFilterResultCallback {
		void onCallScreeningFilterComplete(Call call, CallFilteringResult result, String
		packageName);
		@@ -194,6 +192,7 @@ public class CallScreeningServiceFilter {
		private String mPackageName;
		private CharSequence mAppName;
		private boolean mHasFinished = false;
		private int mCallScreeningServiceType;

		private CallFilteringResult mResult = new CallFilteringResult(
		true, // shouldAllowCall
		@@ -219,7 +218,8 @@ public class CallScreeningServiceFilter {
		public void startCallScreeningFilter(Call call,
		CallScreeningFilterResultCallback callback,
		String packageName,
		CharSequence appName) {
		CharSequence appName,
		int callScreeningServiceType) {
		if (mHasFinished) {
		Log.w(this, "Attempting to reuse CallScreeningServiceFilter. Ignoring.");
		return;
		@@ -229,6 +229,7 @@ public class CallScreeningServiceFilter {
		mCallback = callback;
		mPackageName = packageName;
		mAppName = appName;
		mCallScreeningServiceType = callScreeningServiceType;

		mConnection = new CallScreeningServiceConnection();
		if (!CallScreeningServiceHelper.bindCallScreeningService(mContext,
		@@ -262,9 +263,15 @@ public class CallScreeningServiceFilter {
		private void onServiceBound(ICallScreeningService service) {
		mService = service;
		try {
		boolean isSystemDialer =
		mCallScreeningServiceType
		== CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_SYSTEM_DIALER;
		// Important: Only send a minimal subset of the call to the screening service.
		// We will send some of the call extras to the call screening service which the system
		// dialer implements.
		mService.screenCall(new CallScreeningAdapter(),
		mParcelableCallUtilsConverter.toParcelableCallForScreening(mCall));
		mParcelableCallUtilsConverter.toParcelableCallForScreening(mCall,
		isSystemDialer));
		} catch (RemoteException e) {
		Log.e(this, e, "Failed to set the call screening adapter.");
		finishCallScreening();

tests/src/com/android/server/telecom/tests/CallScreeningServiceFilterTest.java

+22 −12

Original line number	Diff line number	Diff line
		@@ -25,7 +25,6 @@ import android.content.ServiceConnection;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		import android.content.pm.ServiceInfo;
		import android.graphics.drawable.Icon;
		import android.os.IBinder;
		import android.os.PersistableBundle;
		import android.os.RemoteException;
		@@ -166,7 +165,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		@SmallTest
		@Test
		public void testNoPackageName() {
		mFilter.startCallScreeningFilter(mCall, mCallback, null, null);
		mFilter.startCallScreeningFilter(mCall, mCallback, null, null,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(null));
		}

		@@ -175,7 +175,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		public void testNoResolveEntries() {
		when(mPackageManager.queryIntentServicesAsUser(nullable(Intent.class), anyInt(), anyInt()))
		.thenReturn(Collections.emptyList());
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(PKG_NAME));
		}

		@@ -183,7 +184,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		@Test
		public void testBadResolveEntry() {
		mResolveInfo.serviceInfo = null;
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(PKG_NAME));
		}

		@@ -191,7 +193,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		@Test
		public void testPermissionlessFilterService() {
		mResolveInfo.serviceInfo.permission = null;
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(PKG_NAME));
		}

		@@ -200,7 +203,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		public void testContextFailToBind() {
		when(mContext.bindServiceAsUser(nullable(Intent.class), nullable(ServiceConnection.class),
		anyInt(), eq(UserHandle.CURRENT))).thenReturn(false);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(PKG_NAME));
		}

		@@ -209,7 +213,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		public void testExceptionInScreeningService() throws Exception {
		doThrow(new RemoteException()).when(mCallScreeningService).screenCall(
		nullable(ICallScreeningAdapter.class), nullable(ParcelableCall.class));
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		verify(mCallback).onCallScreeningFilterComplete(eq(mCall), eq(PASS_RESULT), eq(PKG_NAME));
		@@ -218,7 +223,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		@SmallTest
		@Test
		public void testAllowCall() throws Exception {
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		ICallScreeningAdapter csAdapter = getCallScreeningAdapter();
		@@ -229,7 +235,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {
		@SmallTest
		@Test
		public void testSilenceCall() throws Exception {
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME);
		mFilter.startCallScreeningFilter(mCall, mCallback, PKG_NAME, APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		ICallScreeningAdapter csAdapter = getCallScreeningAdapter();
		@@ -249,7 +256,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {

		mFilter.startCallScreeningFilter(mCall, mCallback,
		CARRIER_DEFINED_CALL_SCREENING.getPackageName(),
		CARRIER_DEFINED_CALL_SCREENING_APP_NAME);
		CARRIER_DEFINED_CALL_SCREENING_APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_CARRIER);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		ICallScreeningAdapter csAdapter = getCallScreeningAdapter();
		@@ -281,7 +289,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {

		mFilter.startCallScreeningFilter(mCall, mCallback,
		DEFAULT_DIALER_CALL_SCREENING.getPackageName(),
		DEFAULT_DIALER_APP_NAME);
		DEFAULT_DIALER_APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_DEFAULT_DIALER);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		ICallScreeningAdapter csAdapter = getCallScreeningAdapter();
		@@ -313,7 +322,8 @@ public class CallScreeningServiceFilterTest extends TelecomTestCase {

		mFilter.startCallScreeningFilter(mCall, mCallback,
		USER_CHOSEN_CALL_SCREENING.getPackageName(),
		USER_CHOSEN_CALL_SCREENING_APP_NAME);
		USER_CHOSEN_CALL_SCREENING_APP_NAME,
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		ServiceConnection serviceConnection = verifyBindingIntent();
		serviceConnection.onServiceConnected(COMPONENT_NAME, mBinder);
		ICallScreeningAdapter csAdapter = getCallScreeningAdapter();