1 /*
2  * Copyright (C) 2011 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 android.content.pm;
18 
19 import android.compat.annotation.UnsupportedAppUsage;
20 import android.os.Build;
21 import android.os.Parcel;
22 import android.os.Parcelable;
23 
24 import java.security.PublicKey;
25 
26 /**
27  * Contains information about a package verifier as used by
28  * {@code PackageManagerService} during package verification.
29  *
30  * @hide
31  */
32 public class VerifierInfo implements Parcelable {
33     /** Package name of the verifier. */
34     public final String packageName;
35 
36     /** Signatures used to sign the package verifier's package. */
37     public final PublicKey publicKey;
38 
39     /**
40      * Creates an object that represents a verifier info object.
41      *
42      * @param packageName the package name in Java-style. Must not be {@code
43      *            null} or empty.
44      * @param publicKey the public key for the signer encoded in Base64. Must
45      *            not be {@code null} or empty.
46      * @throws IllegalArgumentException if either argument is null or empty.
47      */
48     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
VerifierInfo(String packageName, PublicKey publicKey)49     public VerifierInfo(String packageName, PublicKey publicKey) {
50         if (packageName == null || packageName.length() == 0) {
51             throw new IllegalArgumentException("packageName must not be null or empty");
52         } else if (publicKey == null) {
53             throw new IllegalArgumentException("publicKey must not be null");
54         }
55 
56         this.packageName = packageName;
57         this.publicKey = publicKey;
58     }
59 
VerifierInfo(Parcel source)60     private VerifierInfo(Parcel source) {
61         packageName = source.readString();
62         publicKey = (PublicKey) source.readSerializable(java.security.PublicKey.class.getClassLoader(), java.security.PublicKey.class);
63     }
64 
65     @Override
describeContents()66     public int describeContents() {
67         return 0;
68     }
69 
70     @Override
writeToParcel(Parcel dest, int flags)71     public void writeToParcel(Parcel dest, int flags) {
72         dest.writeString(packageName);
73         dest.writeSerializable(publicKey);
74     }
75 
76     public static final @android.annotation.NonNull Parcelable.Creator<VerifierInfo> CREATOR
77             = new Parcelable.Creator<VerifierInfo>() {
78         public VerifierInfo createFromParcel(Parcel source) {
79             return new VerifierInfo(source);
80         }
81 
82         public VerifierInfo[] newArray(int size) {
83             return new VerifierInfo[size];
84         }
85     };
86 }