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Commit be7b2af7 authored by Hansen Kurli's avatar Hansen Kurli
Browse files

Initialize ConnectivityBlobStore and ConnectivityBlobStoreTest 

Initial files for ConnectivityBlobStore and
ConnectivityBlobStoreTest. This contains the inital setup of the
SQLite database.

This is the base class for modules such as VPN and WIFI to create
a database of blobs where the key is a string of the name.
This is to replace the existing dependency on a deprecated
legacy keystore database.

Bug: 307903113
Test: m
Change-Id: I86da54448235abe3fa0c68313810a08d071a0c47
parent 013acc56

core/java/com/android/internal/net/ConnectivityBlobStore.java

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/*

 * Copyright (C) 2024 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.internal.net;



import android.database.sqlite.SQLiteDatabase;



import com.android.internal.annotations.VisibleForTesting;



import java.io.File;



/**

 * Database for storing blobs with a key of name strings.

 * @hide

 */

public class ConnectivityBlobStore {

    private static final String TAG = ConnectivityBlobStore.class.getSimpleName();

    private static final String TABLENAME = "blob_table";

    private static final String ROOT_DIR = "/data/misc/connectivityblobdb/";



    private static final String CREATE_TABLE =

            "CREATE TABLE IF NOT EXISTS " + TABLENAME + " ("

            + "owner INTEGER,"

            + "name BLOB,"

            + "blob BLOB,"

            + "UNIQUE(owner, name));";



    private final SQLiteDatabase mDb;



    /**

     * Construct a ConnectivityBlobStore object.

     *

     * @param dbName the filename of the database to create/access.

     */

    public ConnectivityBlobStore(String dbName) {

        this(new File(ROOT_DIR + dbName));

    }



    @VisibleForTesting

    public ConnectivityBlobStore(File file) {

        final SQLiteDatabase.OpenParams params = new SQLiteDatabase.OpenParams.Builder()

                .addOpenFlags(SQLiteDatabase.CREATE_IF_NECESSARY)

                .addOpenFlags(SQLiteDatabase.ENABLE_WRITE_AHEAD_LOGGING)

                .build();

        mDb = SQLiteDatabase.openDatabase(file, params);

        mDb.execSQL(CREATE_TABLE);

    }

}

core/tests/coretests/src/com/android/internal/net/ConnectivityBlobStoreTest.java

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/*

 * Copyright (C) 2024 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.internal.net;



import static org.junit.Assert.assertFalse;

import static org.junit.Assert.assertTrue;



import android.content.Context;



import androidx.test.InstrumentationRegistry;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import androidx.test.filters.SmallTest;



import org.junit.After;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;



import java.io.File;



@RunWith(AndroidJUnit4.class)

@SmallTest

public class ConnectivityBlobStoreTest {

    private static final String DATABASE_FILENAME = "ConnectivityBlobStore.db";



    private Context mContext;

    private File mFile;



    private ConnectivityBlobStore createConnectivityBlobStore() {

        return new ConnectivityBlobStore(mFile);

    }



    @Before

    public void setUp() throws Exception {

        mContext = InstrumentationRegistry.getContext();

        mFile = mContext.getDatabasePath(DATABASE_FILENAME);

    }



    @After

    public void tearDown() throws Exception {

        mContext.deleteDatabase(DATABASE_FILENAME);

    }



    @Test

    public void testFileCreateDelete() {

        assertFalse(mFile.exists());

        createConnectivityBlobStore();

        assertTrue(mFile.exists());



        assertTrue(mContext.deleteDatabase(DATABASE_FILENAME));

        assertFalse(mFile.exists());

    }

}

core/tests/coretests/src/com/android/internal/net/OWNERS

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include /core/java/com/android/internal/net/OWNERS