Update com.android.statementservice to support v2 API

Brings AOSP up to a true representative implementation which can be
shipped on production devices.

Bug: 171219506

Test: manual, push AOSP, pm enable, pm verify-app-links

Change-Id: I5de6405afe884a19d35d09b266457c4ad4eee91b

1 files changed, 0 insertions, 293 deletions

diff --git a/packages/StatementService/src/com/android/statementservice/DirectStatementService.java b/packages/StatementService/src/com/android/statementservice/DirectStatementService.java
deleted file mode 100644
index 659696e0e212..000000000000
--- a/packages/StatementService/src/com/android/statementservice/DirectStatementService.java
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * 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;
-        }
-    }
-}