1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.adservices.data.adselection.datahandlers;
18 
19 import com.android.adservices.ohttp.ObliviousHttpRequestContext;
20 import com.android.adservices.service.adselection.encryption.AdSelectionEncryptionKey;
21 
22 import com.google.common.base.Preconditions;
23 
24 import java.util.Objects;
25 
26 /** Class to validate data handlers when they are used for persisting or reading from DB. */
27 public class DBValidator {
28 
29     /** Validate that the {@EncryptionContext} object can be writtent to DB. */
validateEncryptionContext(EncryptionContext encryptionContext)30     public static void validateEncryptionContext(EncryptionContext encryptionContext) {
31         ObliviousHttpRequestContext requestContext = encryptionContext.getOhttpRequestContext();
32         Objects.requireNonNull(requestContext.keyConfig().serializeKeyConfigToBytes());
33         Objects.requireNonNull(requestContext.encapsulatedSharedSecret().serializeToBytes());
34 
35         Preconditions.checkArgument(
36                 encryptionContext.getAdSelectionEncryptionKeyType()
37                         != AdSelectionEncryptionKey.AdSelectionEncryptionKeyType.UNASSIGNED);
38     }
39 
40     /** Validate that the {@ReportingData} object can be written to the DB. */
validateReportingData(ReportingData reportingData)41     public static void validateReportingData(ReportingData reportingData) {
42         Objects.requireNonNull(reportingData.getBuyerWinReportingUri());
43         Objects.requireNonNull(reportingData.getSellerWinReportingUri());
44     }
45 }
46