Delete deprecated call filters. (d9d969bc) · Commits · e / os / android_packages_services_Telecomm

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

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		/*
		* Copyright (C) 2016 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.telecom.callfiltering;

		import android.content.Context;
		import android.net.Uri;
		import android.os.AsyncTask;
		import android.os.Bundle;
		import android.provider.BlockedNumberContract;
		import android.provider.CallLog;
		import android.telecom.Log;
		import android.telecom.Logging.Session;
		import android.telecom.TelecomManager;

		import android.telecom.CallerInfo;
		import com.android.server.telecom.Call;
		import com.android.server.telecom.CallerInfoLookupHelper;
		import com.android.server.telecom.LogUtils;
		import com.android.server.telecom.callfiltering.CallFilteringResult.Builder;
		import com.android.server.telecom.settings.BlockedNumbersUtil;

		/**
		* An {@link AsyncTask} that checks if a call needs to be blocked.
		* <p> An {@link AsyncTask} is used to perform the block check to avoid blocking the main thread.
		* The block check itself is performed in the {@link AsyncTask#doInBackground(Object[])}.
		*/
		public class AsyncBlockCheckFilter extends AsyncTask<String, Void, Boolean>
		implements IncomingCallFilter.CallFilter {
		private final Context mContext;
		private final BlockCheckerAdapter mBlockCheckerAdapter;
		private final CallBlockListener mCallBlockListener;
		private Call mIncomingCall;
		private Session mBackgroundTaskSubsession;
		private Session mPostExecuteSubsession;
		private CallFilterResultCallback mCallback;
		private CallerInfoLookupHelper mCallerInfoLookupHelper;
		private int mBlockStatus = BlockedNumberContract.STATUS_NOT_BLOCKED;

		public AsyncBlockCheckFilter(Context context, BlockCheckerAdapter blockCheckerAdapter,
		CallerInfoLookupHelper callerInfoLookupHelper, CallBlockListener callBlockListener) {
		mContext = context;
		mBlockCheckerAdapter = blockCheckerAdapter;
		mCallerInfoLookupHelper = callerInfoLookupHelper;
		mCallBlockListener = callBlockListener;
		}

		@Override
		public void startFilterLookup(Call call, CallFilterResultCallback callback) {
		mCallback = callback;
		mIncomingCall = call;
		String number = call.getHandle() == null ?
		null : call.getHandle().getSchemeSpecificPart();
		if (BlockedNumbersUtil.isEnhancedCallBlockingEnabledByPlatform(mContext)) {
		int presentation = mIncomingCall.getHandlePresentation();
		if (presentation == TelecomManager.PRESENTATION_ALLOWED) {
		mCallerInfoLookupHelper.startLookup(call.getHandle(),
		new CallerInfoLookupHelper.OnQueryCompleteListener() {
		@Override
		public void onCallerInfoQueryComplete(Uri handle, CallerInfo info) {
		boolean contactExists = info == null ? false : info.contactExists;
		execute(number, String.valueOf(presentation),
		String.valueOf(contactExists));
		}

		@Override
		public void onContactPhotoQueryComplete(Uri handle, CallerInfo info) {
		// ignore
		}
		});
		} else {
		this.execute(number, String.valueOf(presentation));
		}
		} else {
		this.execute(number);
		}
		}

		@Override
		protected void onPreExecute() {
		mBackgroundTaskSubsession = Log.createSubsession();
		mPostExecuteSubsession = Log.createSubsession();
		}

		@Override
		protected Boolean doInBackground(String... params) {
		try {
		Log.continueSession(mBackgroundTaskSubsession, "ABCF.dIB");
		Log.addEvent(mIncomingCall, LogUtils.Events.BLOCK_CHECK_INITIATED);
		Bundle extras = new Bundle();
		if (params.length > 1) {
		extras.putInt(BlockedNumberContract.EXTRA_CALL_PRESENTATION,
		Integer.valueOf(params[1]));
		}
		if (params.length > 2) {
		extras.putBoolean(BlockedNumberContract.EXTRA_CONTACT_EXIST,
		Boolean.valueOf(params[2]));
		}
		mBlockStatus = mBlockCheckerAdapter.getBlockStatus(mContext, params[0], extras);
		return mBlockStatus != BlockedNumberContract.STATUS_NOT_BLOCKED;
		} finally {
		Log.endSession();
		}
		}

		@Override
		protected void onPostExecute(Boolean isBlocked) {
		Log.continueSession(mPostExecuteSubsession, "ABCF.oPE");
		try {
		CallFilteringResult result;
		if (isBlocked) {
		result = new Builder()
		.setShouldAllowCall(false)
		.setShouldReject(true)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(false)
		.setCallBlockReason(convertBlockStatusToReason())
		.setCallScreeningAppName(null)
		.setCallScreeningComponentName(null)
		.build();
		if (mCallBlockListener != null) {
		String number = mIncomingCall.getHandle() == null ? null
		: mIncomingCall.getHandle().getSchemeSpecificPart();
		mCallBlockListener.onCallBlocked(mBlockStatus, number,
		mIncomingCall.getInitiatingUser());
		}
		} else {
		result = new Builder()
		.setShouldAllowCall(true)
		.setShouldReject(false)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(true)
		.build();
		}
		Log.addEvent(mIncomingCall, LogUtils.Events.BLOCK_CHECK_FINISHED,
		BlockedNumberContract.SystemContract.blockStatusToString(mBlockStatus) + " "
		+ result);
		mCallback.onCallFilteringComplete(mIncomingCall, result);
		} finally {
		Log.endSession();
		}
		}

		private int convertBlockStatusToReason() {
		switch (mBlockStatus) {
		case BlockedNumberContract.STATUS_BLOCKED_IN_LIST:
		return CallLog.Calls.BLOCK_REASON_BLOCKED_NUMBER;

		case BlockedNumberContract.STATUS_BLOCKED_UNKNOWN_NUMBER:
		return CallLog.Calls.BLOCK_REASON_UNKNOWN_NUMBER;

		case BlockedNumberContract.STATUS_BLOCKED_RESTRICTED:
		return CallLog.Calls.BLOCK_REASON_RESTRICTED_NUMBER;

		case BlockedNumberContract.STATUS_BLOCKED_PAYPHONE:
		return CallLog.Calls.BLOCK_REASON_PAY_PHONE;

		case BlockedNumberContract.STATUS_BLOCKED_NOT_IN_CONTACTS:
		return CallLog.Calls.BLOCK_REASON_NOT_IN_CONTACTS;

		default:
		Log.w(AsyncBlockCheckFilter.class.getSimpleName(),
		"There's no call log block reason can be converted");
		return CallLog.Calls.BLOCK_REASON_BLOCKED_NUMBER;
		}
		}
		}

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

+2 −2

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		@@ -135,8 +135,8 @@ public class CallFilteringResult {
		/**
		* Combine this CallFilteringResult with another, returning a CallFilteringResult with the more
		* restrictive properties of the two. Where there are multiple call filtering components which
		* block a call, the first filter from {@link AsyncBlockCheckFilter},
		* {@link DirectToVoicemailCallFilter}, {@link CallScreeningServiceFilter} which blocked a call
		* block a call, the first filter from {@link BlockCheckerFilter},
		* {@link DirectToVoicemailFilter}, {@link NewCallScreeningServiceFilter} which blocked a call
		* shall be used to populate the call block reason, component name, etc.
		*/
		public CallFilteringResult combine(CallFilteringResult other) {

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

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		/*
		* Copyright (C) 2018 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.telecom.callfiltering;

		import android.content.ComponentName;
		import android.content.Context;
		import android.net.Uri;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.PersistableBundle;
		import android.provider.CallLog;
		import android.telecom.Log;
		import android.telecom.Logging.Runnable;
		import android.telecom.TelecomManager;
		import android.telephony.CarrierConfigManager;
		import android.text.TextUtils;

		import android.telecom.CallerInfo;

		import com.android.server.telecom.AppLabelProxy;
		import com.android.server.telecom.Call;
		import com.android.server.telecom.CallerInfoLookupHelper;
		import com.android.server.telecom.CallsManager;
		import com.android.server.telecom.LogUtils;
		import com.android.server.telecom.ParcelableCallUtils;
		import com.android.server.telecom.PhoneAccountRegistrar;
		import com.android.server.telecom.TelecomServiceImpl;
		import com.android.server.telecom.TelecomSystem;
		import com.android.server.telecom.callfiltering.CallFilteringResult.Builder;

		/**
		* This class supports binding to the various {@link android.telecom.CallScreeningService}:
		* carrier, default dialer and user chosen. Carrier's CallScreeningService implementation will be
		* bound first, and then default dialer's and user chosen's. If Carrier's CallScreeningService
		* blocks a call, no further CallScreeningService after it will be bound.
		*/
		public class CallScreeningServiceController implements IncomingCallFilter.CallFilter,
		CallScreeningServiceFilter.CallScreeningFilterResultCallback {

		private final Context mContext;
		private final CallsManager mCallsManager;
		private final PhoneAccountRegistrar mPhoneAccountRegistrar;
		private final ParcelableCallUtils.Converter mParcelableCallUtilsConverter;
		private final TelecomSystem.SyncRoot mTelecomLock;
		private final TelecomServiceImpl.SettingsSecureAdapter mSettingsSecureAdapter;
		private final CallerInfoLookupHelper mCallerInfoLookupHelper;
		private final AppLabelProxy mAppLabelProxy;

		private final int CARRIER_CALL_FILTERING_TIMED_OUT = 2000; // 2 seconds
		private final int CALL_FILTERING_TIMED_OUT = 4500; // 4.5 seconds

		private final Handler mHandler = new Handler(Looper.getMainLooper());

		private Call mCall;
		private CallFilterResultCallback mCallback;

		private CallFilteringResult mResult = new Builder()
		.setShouldAllowCall(true)
		.setShouldReject(false)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(true)
		.build();

		private boolean mIsFinished;
		private boolean mIsCarrierFinished;
		private boolean mIsDefaultDialerFinished;
		private boolean mIsUserChosenFinished;

		public CallScreeningServiceController(
		Context context,
		CallsManager callsManager,
		PhoneAccountRegistrar phoneAccountRegistrar,
		ParcelableCallUtils.Converter parcelableCallUtilsConverter,
		TelecomSystem.SyncRoot lock,
		TelecomServiceImpl.SettingsSecureAdapter settingsSecureAdapter,
		CallerInfoLookupHelper callerInfoLookupHelper,
		AppLabelProxy appLabelProxy) {
		mContext = context;
		mCallsManager = callsManager;
		mPhoneAccountRegistrar = phoneAccountRegistrar;
		mParcelableCallUtilsConverter = parcelableCallUtilsConverter;
		mTelecomLock = lock;
		mSettingsSecureAdapter = settingsSecureAdapter;
		mCallerInfoLookupHelper = callerInfoLookupHelper;
		mAppLabelProxy = appLabelProxy;
		}

		@Override
		public void startFilterLookup(Call call, CallFilterResultCallback callBack) {
		mCall = call;
		mCallback = callBack;
		mIsFinished = false;
		mIsCarrierFinished = false;
		mIsDefaultDialerFinished = false;
		mIsUserChosenFinished = false;

		bindCarrierService();

		// Call screening filtering timed out
		mHandler.postDelayed(new Runnable("ICF.pFTO", mTelecomLock) {
		@Override
		public void loggedRun() {
		if (!mIsFinished) {
		Log.i(CallScreeningServiceController.this, "Call screening has timed out.");
		finishCallScreening();
		}
		}
		}.prepare(), CALL_FILTERING_TIMED_OUT);
		}

		@Override
		public void onCallScreeningFilterComplete(Call call, CallFilteringResult result,
		String packageName) {
		synchronized (mTelecomLock) {
		mResult = result.combine(mResult);
		if (!TextUtils.isEmpty(packageName) && packageName.equals(getCarrierPackageName())) {
		mIsCarrierFinished = true;
		if (result.mCallBlockReason == CallLog.Calls.BLOCK_REASON_CALL_SCREENING_SERVICE) {
		finishCallScreening();
		} else {
		checkContactExistsAndBindService();
		}
		} else if (!TextUtils.isEmpty(packageName) &&
		packageName.equals(getDefaultDialerPackageName())) {
		// Default dialer defined CallScreeningService cannot skip the call log.
		mResult.shouldAddToCallLog = true;
		mIsDefaultDialerFinished = true;
		if (result.mCallBlockReason == CallLog.Calls.BLOCK_REASON_CALL_SCREENING_SERVICE \|\|
		mIsUserChosenFinished) {
		finishCallScreening();
		}
		} else if (!TextUtils.isEmpty(packageName) &&
		packageName.equals(getUserChosenPackageName())) {
		// User defined CallScreeningService cannot skip the call log.
		mResult.shouldAddToCallLog = true;
		mIsUserChosenFinished = true;
		if (mIsDefaultDialerFinished) {
		finishCallScreening();
		}
		}
		}
		}

		private void bindCarrierService() {
		String carrierPackageName = getCarrierPackageName();
		if (TextUtils.isEmpty(carrierPackageName)) {
		mIsCarrierFinished = true;
		bindDefaultDialerAndUserChosenService();
		} else {
		createCallScreeningServiceFilter().startCallScreeningFilter(mCall, this,
		carrierPackageName, mAppLabelProxy.getAppLabel(carrierPackageName),
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_CARRIER);
		}

		// Carrier filtering timed out
		mHandler.postDelayed(new Runnable("ICF.pFTO", mTelecomLock) {
		@Override
		public void loggedRun() {
		if (!mIsCarrierFinished) {
		mIsCarrierFinished = true;
		checkContactExistsAndBindService();
		}
		}
		}.prepare(), CARRIER_CALL_FILTERING_TIMED_OUT);
		}

		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), dialerType);
		}

		String userChosenPackageName = getUserChosenPackageName();
		if (TextUtils.isEmpty(userChosenPackageName)) {
		mIsUserChosenFinished = true;
		} else {
		// If the user chosen call screening service is the same as the default dialer, then
		// we have already bound to it above and don't need to do so again here.
		if (userChosenPackageName.equals(dialerPackageName)) {
		Log.addEvent(mCall, LogUtils.Events.SCREENING_SKIPPED,
		"user pkg same as dialer: " + userChosenPackageName);
		mIsUserChosenFinished = true;
		} else {
		createCallScreeningServiceFilter().startCallScreeningFilter(mCall,
		CallScreeningServiceController.this, userChosenPackageName,
		mAppLabelProxy.getAppLabel(userChosenPackageName),
		CallScreeningServiceFilter.CALL_SCREENING_FILTER_TYPE_USER_SELECTED);
		}
		}

		if (mIsDefaultDialerFinished && mIsUserChosenFinished) {
		finishCallScreening();
		}
		}
		}

		private CallScreeningServiceFilter createCallScreeningServiceFilter() {
		return new CallScreeningServiceFilter(
		mContext,
		mCallsManager,
		mPhoneAccountRegistrar,
		mParcelableCallUtilsConverter,
		mTelecomLock,
		mSettingsSecureAdapter);
		}

		private void checkContactExistsAndBindService() {
		mCallerInfoLookupHelper.startLookup(mCall.getHandle(),
		new CallerInfoLookupHelper.OnQueryCompleteListener() {
		@Override
		public void onCallerInfoQueryComplete(Uri handle, CallerInfo info) {
		boolean contactExists = info != null && info.contactExists;
		Log.i(CallScreeningServiceController.this, "Contact exists: " +
		contactExists);
		if (!contactExists) {
		bindDefaultDialerAndUserChosenService();
		} else {
		finishCallScreening();
		}
		}

		@Override
		public void onContactPhotoQueryComplete(Uri handle, CallerInfo
		info) {
		// ignore
		}
		});
		}

		private void finishCallScreening() {
		Log.addEvent(mCall, LogUtils.Events.CONTROLLER_SCREENING_COMPLETED, mResult);
		mCallback.onCallFilteringComplete(mCall, mResult);
		mIsFinished = true;
		}

		private String getCarrierPackageName() {
		ComponentName componentName = null;
		CarrierConfigManager configManager = (CarrierConfigManager) mContext.getSystemService
		(Context.CARRIER_CONFIG_SERVICE);
		PersistableBundle configBundle = configManager.getConfig();
		if (configBundle != null) {
		componentName = ComponentName.unflattenFromString(configBundle.getString
		(CarrierConfigManager.KEY_CARRIER_CALL_SCREENING_APP_STRING, ""));
		}

		return componentName != null ? componentName.getPackageName() : null;
		}

		private String getDefaultDialerPackageName() {
		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

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

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		/*
		* Copyright (C) 2016 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.telecom.callfiltering;

		import android.net.Uri;
		import android.provider.CallLog.Calls;
		import android.telecom.Log;

		import android.telecom.CallerInfo;
		import com.android.server.telecom.Call;
		import com.android.server.telecom.CallerInfoLookupHelper;
		import com.android.server.telecom.LogUtils;
		import com.android.server.telecom.callfiltering.CallFilteringResult.Builder;

		import java.util.Objects;

		public class DirectToVoicemailCallFilter implements IncomingCallFilter.CallFilter {
		private final CallerInfoLookupHelper mCallerInfoLookupHelper;

		public DirectToVoicemailCallFilter(CallerInfoLookupHelper callerInfoLookupHelper) {
		mCallerInfoLookupHelper = callerInfoLookupHelper;
		}

		@Override
		public void startFilterLookup(final Call call, CallFilterResultCallback callback) {
		Log.addEvent(call, LogUtils.Events.DIRECT_TO_VM_INITIATED);
		final Uri callHandle = call.getHandle();

		mCallerInfoLookupHelper.startLookup(callHandle,
		new CallerInfoLookupHelper.OnQueryCompleteListener() {
		@Override
		public void onCallerInfoQueryComplete(Uri handle, CallerInfo info) {
		CallFilteringResult result;
		if ((handle != null) && Objects.equals(callHandle, handle)) {
		if (info != null && info.shouldSendToVoicemail) {
		result = new Builder()
		.setShouldAllowCall(false)
		.setShouldReject(true)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(true)
		.setCallBlockReason(Calls.BLOCK_REASON_DIRECT_TO_VOICEMAIL)
		.setCallScreeningAppName(null)
		.setCallScreeningComponentName(null)
		.build();
		} else {
		result = new Builder()
		.setShouldAllowCall(true)
		.setShouldReject(false)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(true)
		.build();
		}
		Log.addEvent(call, LogUtils.Events.DIRECT_TO_VM_FINISHED, result);
		callback.onCallFilteringComplete(call, result);
		} else {
		result = new Builder()
		.setShouldAllowCall(true)
		.setShouldReject(false)
		.setShouldAddToCallLog(true)
		.setShouldShowNotification(true)
		.build();
		Log.addEvent(call, LogUtils.Events.DIRECT_TO_VM_FINISHED, result);
		Log.w(this, "CallerInfo lookup returned with a different handle than " +
		"what was passed in. Was %s, should be %s", handle, callHandle);
		callback.onCallFilteringComplete(call, result);
		}
		}

		@Override
		public void onContactPhotoQueryComplete(Uri handle, CallerInfo info) {
		// ignore
		}
		});
		}
		}