Merge "Update com.android.statementservice to support v2 API" into sc-dev am: 53c5d85bef (02ce2626) · Commits · e / os / android_frameworks_base

data/etc/privapp-permissions-platform.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -497,6 +497,8 @@ applications that come with the platform

		<privapp-permissions package="com.android.statementservice">
		<permission name="android.permission.INTENT_FILTER_VERIFICATION_AGENT"/>
		<permission name="android.permission.DOMAIN_VERIFICATION_AGENT"/>
		<permission name="android.permission.INTERACT_ACROSS_USERS"/>
		</privapp-permissions>

		<privapp-permissions package="com.android.traceur">

packages/StatementService/Android.bp

+13 −6

Original line number	Diff line number	Diff line
		@@ -22,17 +22,24 @@ package {

		android_app {
		name: "StatementService",
		defaults: ["platform_app_defaults"],
		srcs: ["src/*/.java"],
		// Removed because Errorprone doesn't work with Kotlin, can fix up in the future
		// defaults: ["platform_app_defaults"],
		srcs: [
		"src/*/.java",
		"src/*/.kt",
		],
		optimize: {
		proguard_flags_files: ["proguard.flags"],
		},
		target_sdk_version: "29",
		platform_apis: true,
		privileged: true,
		libs: ["org.apache.http.legacy"],
		uses_libs: ["org.apache.http.legacy"],
		certificate: "platform",
		static_libs: [
		"libprotobuf-java-nano",
		"volley",
		"androidx.appcompat_appcompat",
		"androidx.collection_collection-ktx",
		"androidx.work_work-runtime",
		"androidx.work_work-runtime-ktx",
		"kotlinx-coroutines-android",
		],
		}

packages/StatementService/AndroidManifest.xml

+41 −20

Original line number	Diff line number	Diff line
		@@ -14,41 +14,62 @@
		limitations under the License.
		-->

		<manifest xmlns:android="http://schemas.android.com/apk/res/android"
		<manifest
		xmlns:android="http://schemas.android.com/apk/res/android"
		xmlns:tools="http://schemas.android.com/tools"
		package="com.android.statementservice"
		android:versionCode="1"
		android:versionName="1.0">

		<uses-permission android:name="android.permission.INTERNET"/>
		<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
		<uses-permission android:name="android.permission.DOMAIN_VERIFICATION_AGENT"/>
		<uses-permission android:name="android.permission.INTENT_FILTER_VERIFICATION_AGENT"/>
		<uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
		<uses-permission android:name="android.permission.INTERNET"/>
		<uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
		<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
		<uses-permission android:name="android.permission.UPDATE_DOMAIN_VERIFICATION_USER_SELECTION"/>

		<application
		android:label="@string/service_name"
		android:allowBackup="false">
		<uses-library android:name="org.apache.http.legacy" />
		<service
		android:name=".DirectStatementService"
		android:exported="false">
		android:allowBackup="false"
		android:name=".StatementServiceApplication"
		>

		<receiver
		android:name=".domain.BootCompletedReceiver"
		android:exported="true">
		<intent-filter>
		<category android:name="android.intent.category.DEFAULT"/>
		<action android:name="com.android.statementservice.aosp.service.CHECK_ACTION"/>
		<action android:name="android.intent.action.BOOT_COMPLETED"/>
		</intent-filter>
		</service>
		</receiver>

		<receiver
		android:name=".IntentFilterVerificationReceiver"
		android:name=".domain.DomainVerificationReceiverV1"
		android:permission="android.permission.BIND_INTENT_FILTER_VERIFIER"
		android:exported="true">
		<!-- Set the priority 1 so newer implementation can have higher priority. -->
		<intent-filter
		android:priority="1">
		android:exported="true"
		>
		<intent-filter android:priority="1">
		<action android:name="android.intent.action.INTENT_FILTER_NEEDS_VERIFICATION"/>
		<data android:mimeType="application/vnd.android.package-archive"/>
		</intent-filter>
		</receiver>

		<!--
		v2 receiver remains disabled assuming the device ships its own updated version.
		If necessary, this can be enabled using shell.
		-->
		<receiver
		android:name=".domain.DomainVerificationReceiverV2"
		android:permission="android.permission.BIND_DOMAIN_VERIFICATION_AGENT"
		android:directBootAware="true"
		android:exported="true"
		android:enabled="false"
		>
		<intent-filter android:priority="1">
		<action android:name="android.intent.action.DOMAINS_NEED_VERIFICATION"/>
		</intent-filter>
		</receiver>
		</application>

		</manifest>

packages/StatementService/src/com/android/statementservice/DirectStatementService.java

deleted100644 → 0

+0 −293

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		/*
		* Copyright (C) 2015 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.statementservice;

		import android.app.Service;
		import android.content.Intent;
		import android.net.http.HttpResponseCache;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.HandlerThread;
		import android.os.IBinder;
		import android.os.Looper;
		import android.os.ResultReceiver;
		import android.util.Log;

		import com.android.statementservice.retriever.AbstractAsset;
		import com.android.statementservice.retriever.AbstractAssetMatcher;
		import com.android.statementservice.retriever.AbstractStatementRetriever;
		import com.android.statementservice.retriever.AbstractStatementRetriever.Result;
		import com.android.statementservice.retriever.AssociationServiceException;
		import com.android.statementservice.retriever.Relation;
		import com.android.statementservice.retriever.Statement;

		import org.json.JSONException;

		import java.io.File;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.concurrent.Callable;

		/**
		* Handles com.android.statementservice.service.CHECK_ALL_ACTION intents.
		*/
		public final class DirectStatementService extends Service {
		private static final String TAG = DirectStatementService.class.getSimpleName();

		/**
		* Returns true if every asset in {@code SOURCE_ASSET_DESCRIPTORS} is associated with {@code
		* EXTRA_TARGET_ASSET_DESCRIPTOR} for {@code EXTRA_RELATION} relation.
		*
		* <p>Takes parameter {@code EXTRA_RELATION}, {@code SOURCE_ASSET_DESCRIPTORS}, {@code
		* EXTRA_TARGET_ASSET_DESCRIPTOR}, and {@code EXTRA_RESULT_RECEIVER}.
		*/
		public static final String CHECK_ALL_ACTION =
		"com.android.statementservice.service.CHECK_ALL_ACTION";

		/**
		* Parameter for {@link #CHECK_ALL_ACTION}.
		*
		* <p>A relation string.
		*/
		public static final String EXTRA_RELATION =
		"com.android.statementservice.service.RELATION";

		/**
		* Parameter for {@link #CHECK_ALL_ACTION}.
		*
		* <p>An array of asset descriptors in JSON.
		*/
		public static final String EXTRA_SOURCE_ASSET_DESCRIPTORS =
		"com.android.statementservice.service.SOURCE_ASSET_DESCRIPTORS";

		/**
		* Parameter for {@link #CHECK_ALL_ACTION}.
		*
		* <p>An asset descriptor in JSON.
		*/
		public static final String EXTRA_TARGET_ASSET_DESCRIPTOR =
		"com.android.statementservice.service.TARGET_ASSET_DESCRIPTOR";

		/**
		* Parameter for {@link #CHECK_ALL_ACTION}.
		*
		* <p>A {@code ResultReceiver} instance that will be used to return the result. If the request
		* failed, return {@link #RESULT_FAIL} and an empty {@link android.os.Bundle}. Otherwise, return
		* {@link #RESULT_SUCCESS} and a {@link android.os.Bundle} with the result stored in {@link
		* #IS_ASSOCIATED}.
		*/
		public static final String EXTRA_RESULT_RECEIVER =
		"com.android.statementservice.service.RESULT_RECEIVER";

		/**
		* A boolean bundle entry that stores the result of {@link #CHECK_ALL_ACTION}.
		* This is set only if the service returns with {@code RESULT_SUCCESS}.
		* {@code IS_ASSOCIATED} is true if and only if {@code FAILED_SOURCES} is empty.
		*/
		public static final String IS_ASSOCIATED = "is_associated";

		/**
		* A String ArrayList bundle entry that stores sources that can't be verified.
		*/
		public static final String FAILED_SOURCES = "failed_sources";

		/**
		* Returned by the service if the request is successfully processed. The caller should check
		* the {@code IS_ASSOCIATED} field to determine if the association exists or not.
		*/
		public static final int RESULT_SUCCESS = 0;

		/**
		* Returned by the service if the request failed. The request will fail if, for example, the
		* input is not well formed, or the network is not available.
		*/
		public static final int RESULT_FAIL = 1;

		private static final long HTTP_CACHE_SIZE_IN_BYTES = 1 * 1024 * 1024; // 1 MBytes
		private static final String CACHE_FILENAME = "request_cache";

		private AbstractStatementRetriever mStatementRetriever;
		private Handler mHandler;
		private HandlerThread mThread;
		private HttpResponseCache mHttpResponseCache;

		@Override
		public void onCreate() {
		mThread = new HandlerThread("DirectStatementService thread",
		android.os.Process.THREAD_PRIORITY_BACKGROUND);
		mThread.start();
		onCreate(AbstractStatementRetriever.createDirectRetriever(this), mThread.getLooper(),
		getCacheDir());
		}

		/**
		* Creates a DirectStatementService with the dependencies passed in for easy testing.
		*/
		public void onCreate(AbstractStatementRetriever statementRetriever, Looper looper,
		File cacheDir) {
		super.onCreate();
		mStatementRetriever = statementRetriever;
		mHandler = new Handler(looper);

		try {
		File httpCacheDir = new File(cacheDir, CACHE_FILENAME);
		mHttpResponseCache = HttpResponseCache.install(httpCacheDir, HTTP_CACHE_SIZE_IN_BYTES);
		} catch (IOException e) {
		Log.i(TAG, "HTTPS response cache installation failed:" + e);
		}
		}

		@Override
		public void onDestroy() {
		super.onDestroy();
		final HttpResponseCache responseCache = mHttpResponseCache;
		mHandler.post(new Runnable() {
		public void run() {
		try {
		if (responseCache != null) {
		responseCache.delete();
		}
		} catch (IOException e) {
		Log.i(TAG, "HTTP(S) response cache deletion failed:" + e);
		}
		Looper.myLooper().quit();
		}
		});
		mHttpResponseCache = null;
		}

		@Override
		public IBinder onBind(Intent intent) {
		return null;
		}

		@Override
		public int onStartCommand(Intent intent, int flags, int startId) {
		super.onStartCommand(intent, flags, startId);

		if (intent == null) {
		Log.e(TAG, "onStartCommand called with null intent");
		return START_STICKY;
		}

		if (intent.getAction().equals(CHECK_ALL_ACTION)) {

		Bundle extras = intent.getExtras();
		List<String> sources = extras.getStringArrayList(EXTRA_SOURCE_ASSET_DESCRIPTORS);
		String target = extras.getString(EXTRA_TARGET_ASSET_DESCRIPTOR);
		String relation = extras.getString(EXTRA_RELATION);
		ResultReceiver resultReceiver = extras.getParcelable(EXTRA_RESULT_RECEIVER);

		if (resultReceiver == null) {
		Log.e(TAG, " Intent does not have extra " + EXTRA_RESULT_RECEIVER);
		return START_STICKY;
		}
		if (sources == null) {
		Log.e(TAG, " Intent does not have extra " + EXTRA_SOURCE_ASSET_DESCRIPTORS);
		resultReceiver.send(RESULT_FAIL, Bundle.EMPTY);
		return START_STICKY;
		}
		if (target == null) {
		Log.e(TAG, " Intent does not have extra " + EXTRA_TARGET_ASSET_DESCRIPTOR);
		resultReceiver.send(RESULT_FAIL, Bundle.EMPTY);
		return START_STICKY;
		}
		if (relation == null) {
		Log.e(TAG, " Intent does not have extra " + EXTRA_RELATION);
		resultReceiver.send(RESULT_FAIL, Bundle.EMPTY);
		return START_STICKY;
		}

		mHandler.post(new ExceptionLoggingFutureTask<Void>(
		new IsAssociatedCallable(sources, target, relation, resultReceiver), TAG));
		} else {
		Log.e(TAG, "onStartCommand called with unsupported action: " + intent.getAction());
		}
		return START_STICKY;
		}

		private class IsAssociatedCallable implements Callable<Void> {

		private List<String> mSources;
		private String mTarget;
		private String mRelation;
		private ResultReceiver mResultReceiver;

		public IsAssociatedCallable(List<String> sources, String target, String relation,
		ResultReceiver resultReceiver) {
		mSources = sources;
		mTarget = target;
		mRelation = relation;
		mResultReceiver = resultReceiver;
		}

		private boolean verifyOneSource(AbstractAsset source, AbstractAssetMatcher target,
		Relation relation) throws AssociationServiceException {
		Result statements = mStatementRetriever.retrieveStatements(source);
		for (Statement statement : statements.getStatements()) {
		if (relation.matches(statement.getRelation())
		&& target.matches(statement.getTarget())) {
		return true;
		}
		}
		return false;
		}

		@Override
		public Void call() {
		Bundle result = new Bundle();
		ArrayList<String> failedSources = new ArrayList<String>();
		AbstractAssetMatcher target;
		Relation relation;
		try {
		target = AbstractAssetMatcher.createMatcher(mTarget);
		relation = Relation.create(mRelation);
		} catch (AssociationServiceException \| JSONException e) {
		Log.e(TAG, "isAssociatedCallable failed with exception", e);
		mResultReceiver.send(RESULT_FAIL, Bundle.EMPTY);
		return null;
		}

		boolean allSourcesVerified = true;
		for (String sourceString : mSources) {
		AbstractAsset source;
		try {
		source = AbstractAsset.create(sourceString);
		} catch (AssociationServiceException e) {
		mResultReceiver.send(RESULT_FAIL, Bundle.EMPTY);
		return null;
		}

		try {
		if (!verifyOneSource(source, target, relation)) {
		failedSources.add(source.toJson());
		allSourcesVerified = false;
		}
		} catch (AssociationServiceException e) {
		failedSources.add(source.toJson());
		allSourcesVerified = false;
		}
		}

		result.putBoolean(IS_ASSOCIATED, allSourcesVerified);
		result.putStringArrayList(FAILED_SOURCES, failedSources);
		mResultReceiver.send(RESULT_SUCCESS, result);
		return null;
		}
		}
		}

packages/StatementService/src/com/android/statementservice/IntentFilterVerificationReceiver.java

deleted100644 → 0

+0 −212

File deleted.

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