| /* |
| * 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 android.service.gatekeeper; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| /** |
| * Response object for a GateKeeper verification request. |
| * @hide |
| */ |
| public final class GateKeeperResponse implements Parcelable { |
| |
| public static final int RESPONSE_ERROR = -1; |
| public static final int RESPONSE_OK = 0; |
| public static final int RESPONSE_RETRY = 1; |
| |
| private final int mResponseCode; |
| |
| private int mTimeout; |
| private byte[] mPayload; |
| private boolean mShouldReEnroll; |
| |
| /** Default constructor for response with generic response code **/ |
| private GateKeeperResponse(int responseCode) { |
| mResponseCode = responseCode; |
| } |
| |
| @VisibleForTesting |
| public static GateKeeperResponse createGenericResponse(int responseCode) { |
| return new GateKeeperResponse(responseCode); |
| } |
| |
| private static GateKeeperResponse createRetryResponse(int timeout) { |
| GateKeeperResponse response = new GateKeeperResponse(RESPONSE_RETRY); |
| response.mTimeout = timeout; |
| return response; |
| } |
| |
| @VisibleForTesting |
| public static GateKeeperResponse createOkResponse(byte[] payload, boolean shouldReEnroll) { |
| GateKeeperResponse response = new GateKeeperResponse(RESPONSE_OK); |
| response.mPayload = payload; |
| response.mShouldReEnroll = shouldReEnroll; |
| return response; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| public static final Parcelable.Creator<GateKeeperResponse> CREATOR |
| = new Parcelable.Creator<GateKeeperResponse>() { |
| @Override |
| public GateKeeperResponse createFromParcel(Parcel source) { |
| int responseCode = source.readInt(); |
| final GateKeeperResponse response; |
| if (responseCode == RESPONSE_RETRY) { |
| response = createRetryResponse(source.readInt()); |
| } else if (responseCode == RESPONSE_OK) { |
| final boolean shouldReEnroll = source.readInt() == 1; |
| byte[] payload = null; |
| int size = source.readInt(); |
| if (size > 0) { |
| payload = new byte[size]; |
| source.readByteArray(payload); |
| } |
| response = createOkResponse(payload, shouldReEnroll); |
| } else { |
| response = createGenericResponse(responseCode); |
| } |
| return response; |
| } |
| |
| @Override |
| public GateKeeperResponse[] newArray(int size) { |
| return new GateKeeperResponse[size]; |
| } |
| |
| }; |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mResponseCode); |
| if (mResponseCode == RESPONSE_RETRY) { |
| dest.writeInt(mTimeout); |
| } else if (mResponseCode == RESPONSE_OK) { |
| dest.writeInt(mShouldReEnroll ? 1 : 0); |
| if (mPayload != null) { |
| dest.writeInt(mPayload.length); |
| dest.writeByteArray(mPayload); |
| } |
| } |
| } |
| |
| public byte[] getPayload() { |
| return mPayload; |
| } |
| |
| public int getTimeout() { |
| return mTimeout; |
| } |
| |
| public boolean getShouldReEnroll() { |
| return mShouldReEnroll; |
| } |
| |
| public int getResponseCode() { |
| return mResponseCode; |
| } |
| } |