| /* |
| * Copyright (C) 2022 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 android.nearby; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.os.Parcel; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * Represents a credential for Nearby Presence. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public abstract class PresenceCredential { |
| /** Private credential type. */ |
| public static final int CREDENTIAL_TYPE_PRIVATE = 0; |
| |
| /** Public credential type. */ |
| public static final int CREDENTIAL_TYPE_PUBLIC = 1; |
| |
| /** |
| * @hide * |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({CREDENTIAL_TYPE_PUBLIC, CREDENTIAL_TYPE_PRIVATE}) |
| public @interface CredentialType {} |
| |
| /** Unknown identity type. */ |
| public static final int IDENTITY_TYPE_UNKNOWN = 0; |
| |
| /** Private identity type. */ |
| public static final int IDENTITY_TYPE_PRIVATE = 1; |
| /** Provisioned identity type. */ |
| public static final int IDENTITY_TYPE_PROVISIONED = 2; |
| /** Trusted identity type. */ |
| public static final int IDENTITY_TYPE_TRUSTED = 3; |
| |
| /** |
| * @hide * |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ |
| IDENTITY_TYPE_UNKNOWN, |
| IDENTITY_TYPE_PRIVATE, |
| IDENTITY_TYPE_PROVISIONED, |
| IDENTITY_TYPE_TRUSTED |
| }) |
| public @interface IdentityType {} |
| |
| private final @CredentialType int mType; |
| private final @IdentityType int mIdentityType; |
| private final byte[] mSecretId; |
| private final byte[] mAuthenticityKey; |
| private final List<CredentialElement> mCredentialElements; |
| |
| PresenceCredential( |
| @CredentialType int type, |
| @IdentityType int identityType, |
| byte[] secretId, |
| byte[] authenticityKey, |
| List<CredentialElement> credentialElements) { |
| mType = type; |
| mIdentityType = identityType; |
| mSecretId = secretId; |
| mAuthenticityKey = authenticityKey; |
| mCredentialElements = credentialElements; |
| } |
| |
| PresenceCredential(@CredentialType int type, Parcel in) { |
| mType = type; |
| mIdentityType = in.readInt(); |
| mSecretId = new byte[in.readInt()]; |
| in.readByteArray(mSecretId); |
| mAuthenticityKey = new byte[in.readInt()]; |
| in.readByteArray(mAuthenticityKey); |
| mCredentialElements = new ArrayList<>(); |
| in.readList( |
| mCredentialElements, |
| CredentialElement.class.getClassLoader(), |
| CredentialElement.class); |
| } |
| |
| /** Returns the type of the credential. */ |
| public @CredentialType int getType() { |
| return mType; |
| } |
| |
| /** Returns the identity type of the credential. */ |
| public @IdentityType int getIdentityType() { |
| return mIdentityType; |
| } |
| |
| /** Returns the secret id of the credential. */ |
| @NonNull |
| public byte[] getSecretId() { |
| return mSecretId; |
| } |
| |
| /** Returns the authenticity key of the credential. */ |
| @NonNull |
| public byte[] getAuthenticityKey() { |
| return mAuthenticityKey; |
| } |
| |
| /** Returns the elements of the credential. */ |
| @NonNull |
| public List<CredentialElement> getCredentialElements() { |
| return mCredentialElements; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof PresenceCredential) { |
| PresenceCredential that = (PresenceCredential) obj; |
| return mType == that.mType |
| && mIdentityType == that.mIdentityType |
| && Arrays.equals(mSecretId, that.mSecretId) |
| && Arrays.equals(mAuthenticityKey, that.mAuthenticityKey) |
| && mCredentialElements.equals(that.mCredentialElements); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash( |
| mType, |
| mIdentityType, |
| Arrays.hashCode(mSecretId), |
| Arrays.hashCode(mAuthenticityKey), |
| mCredentialElements.hashCode()); |
| } |
| |
| /** |
| * Writes the presence credential to the parcel. |
| * |
| * @hide |
| */ |
| public void writeToParcel(@NonNull Parcel dest, int flags) { |
| dest.writeInt(mType); |
| dest.writeInt(mIdentityType); |
| dest.writeInt(mSecretId.length); |
| dest.writeByteArray(mSecretId); |
| dest.writeInt(mAuthenticityKey.length); |
| dest.writeByteArray(mAuthenticityKey); |
| dest.writeList(mCredentialElements); |
| } |
| } |