[remoteauth] Add RangingManager interfaces
* Initial commit to define interfaces and data structures for the ranging manager. Test: atest RemoteAuthUnitTests Bug: 290675597, 292549287 Change-Id: Ic9fbf2f909249586f13f8d7be3069ba8ad3bd779
This commit is contained in:
Jin Chen
parent
2ff4b6b403
commit
393e611129
7 changed files with 566 additions and 0 deletions
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@ -39,6 +39,7 @@ java_library {
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"framework-statsd",
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],
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static_libs: [
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"guava",
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"libprotobuf-java-lite",
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"fast-pair-lite-protos",
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"modules-utils-build",
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@ -17,10 +17,18 @@ package com.android.server.remoteauth.ranging;
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import androidx.annotation.IntDef;
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import com.google.common.collect.ImmutableList;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.List;
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/** The ranging capabilities of the device. */
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public class RangingCapabilities {
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/** Possible ranging methods */
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@Retention(RetentionPolicy.SOURCE)
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@IntDef(
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value = {
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RANGING_METHOD_UNKNOWN,
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@ -33,4 +41,35 @@ public class RangingCapabilities {
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/** Ultra-wideband ranging. */
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public static final int RANGING_METHOD_UWB = 0x1;
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private final ImmutableList<Integer> mSupportedRangingMethods;
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/**
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* Gets the list of supported ranging methods of the device.
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*
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* @return list of {@link RangingMethod}
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*/
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public ImmutableList<Integer> getSupportedRangingMethods() {
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return mSupportedRangingMethods;
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}
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private RangingCapabilities(List<Integer> supportedRangingMethods) {
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mSupportedRangingMethods = ImmutableList.copyOf(supportedRangingMethods);
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}
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/** Builder class for {@link RangingCapabilities}. */
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public static final class Builder {
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private List<Integer> mSupportedRangingMethods = new ArrayList<>();
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/** Adds a supported {@link RangingMethod} */
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public Builder addSupportedRangingMethods(@RangingMethod int rangingMethod) {
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mSupportedRangingMethods.add(rangingMethod);
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return this;
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}
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/** Builds {@link RangingCapabilities}. */
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public RangingCapabilities build() {
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return new RangingCapabilities(mSupportedRangingMethods);
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}
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}
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}
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@ -0,0 +1,50 @@
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.remoteauth.ranging;
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import android.content.Context;
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/**
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* Manages the creation of generic device to device ranging session and obtaining device's ranging
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* capabilities.
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*
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* <p>Out-of-band channel for ranging capabilities/parameters exchange is assumed being handled
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* outside of this class.
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*/
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public class RangingManager {
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public RangingManager(Context context) {}
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/**
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* Gets the {@link RangingCapabilities} of this device.
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*
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* @return RangingCapabilities.
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*/
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public RangingCapabilities getRangingCapabilities() {
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return null;
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}
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/**
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* Creates a {@link RangingSession} based on the given {@link SessionParameters}, which shall be
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* provided based on the rangingCapabilities of the device.
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*
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* @param sessionParameters parameters used to setup the session.
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* @return the created RangingSession.
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*/
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public RangingSession createSession(SessionParameters sessionParameters) {
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return null;
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}
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}
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@ -19,6 +19,8 @@ import android.annotation.NonNull;
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import androidx.annotation.IntDef;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.concurrent.Executor;
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/**
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@ -35,6 +37,7 @@ import java.util.concurrent.Executor;
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public abstract class RangingSession {
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/** Types of ranging error. */
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@Retention(RetentionPolicy.SOURCE)
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@IntDef(
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value = {
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RANGING_ERROR_UNKNOWN,
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@ -0,0 +1,222 @@
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.remoteauth.ranging;
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import static com.android.server.remoteauth.ranging.RangingCapabilities.RANGING_METHOD_UNKNOWN;
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import android.annotation.NonNull;
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import com.android.internal.util.Preconditions;
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import com.android.server.remoteauth.ranging.RangingCapabilities.RangingMethod;
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/**
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* The set of parameters to create a ranging session.
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*
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* <p>Required parameters must be provided, else {@link Builder} will throw an exception. The
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* optional parameters only need to be provided if the functionality is necessary to the session,
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* see the setter functions of the {@link Builder} for detailed info of each parameter.
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*/
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public class SessionParameters {
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/* Required parameters */
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private final String mDeviceId;
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@RangingMethod private final int mRangingMethod;
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/* Optional parameters */
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private final float mLowerProximityBoundaryM;
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private final float mUpperProximityBoundaryM;
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private final boolean mAutoDeriveParams;
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private final byte[] mBaseKey;
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private final byte[] mSyncData;
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public String getDeviceId() {
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return mDeviceId;
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}
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@RangingMethod
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public int getRangingMethod() {
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return mRangingMethod;
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}
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public float getLowerProximityBoundaryM() {
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return mLowerProximityBoundaryM;
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}
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public float getUpperProximityBoundaryM() {
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return mUpperProximityBoundaryM;
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}
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public boolean getAutoDeriveParams() {
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return mAutoDeriveParams;
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}
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public byte[] getBaseKey() {
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return mBaseKey;
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}
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public byte[] getSyncData() {
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return mSyncData;
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}
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private SessionParameters(
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String deviceId,
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@RangingMethod int rangingMethod,
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float lowerProximityBoundaryM,
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float upperProximityBoundaryM,
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boolean autoDeriveParams,
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byte[] baseKey,
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byte[] syncData) {
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mDeviceId = deviceId;
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mRangingMethod = rangingMethod;
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mLowerProximityBoundaryM = lowerProximityBoundaryM;
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mUpperProximityBoundaryM = upperProximityBoundaryM;
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mAutoDeriveParams = autoDeriveParams;
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mBaseKey = baseKey;
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mSyncData = syncData;
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}
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/** Builder class for {@link SessionParameters}. */
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public static final class Builder {
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private String mDeviceId = new String("");
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@RangingMethod private int mRangingMethod = RANGING_METHOD_UNKNOWN;
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private float mLowerProximityBoundaryM;
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private float mUpperProximityBoundaryM;
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private boolean mAutoDeriveParams = false;
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private byte[] mBaseKey = new byte[] {};
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private byte[] mSyncData = new byte[] {};
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/**
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* Sets the device id.
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*
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* <p>This is used as the identity included in the {@link SessionInfo} for all {@link
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* RangingCallback}s.
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*/
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public Builder setDeviceId(@NonNull String deviceId) {
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mDeviceId = deviceId;
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return this;
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}
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/**
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* Sets the {@link RangingMethod} to be used for the {@link RangingSession}.
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*
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* <p>Note: The ranging method should be ones in the list return by {@link
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* RangingCapabilities#getSupportedRangingMethods};
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*/
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public Builder setRangingMethod(@RangingMethod int rangingMethod) {
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mRangingMethod = rangingMethod;
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return this;
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}
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/**
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* Sets the lower proximity boundary in meters, must be greater than or equals to zero.
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*
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* <p>This value is used to compute the {@link ProximityState} = {@link
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* PROXIMITY_STATE_INSIDE} if lowerProximityBoundaryM <= proximity <=
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* upperProximityBoundaryM, else {@link PROXIMITY_STATE_OUTSIDE}.
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*/
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public Builder setLowerProximityBoundaryM(float lowerProximityBoundaryM) {
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mLowerProximityBoundaryM = lowerProximityBoundaryM;
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return this;
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}
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/**
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* Sets the upper proximity boundary in meters, must be greater than or equals to
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* lowerProximityBoundaryM.
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*
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* <p>This value is used to compute the {@link ProximityState} = {@link
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* PROXIMITY_STATE_INSIDE} if lowerProximityBoundaryM <= proximity <=
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* upperProximityBoundaryM, else {@link PROXIMITY_STATE_OUTSIDE}.
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*/
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public Builder setUpperProximityBoundaryM(float upperProximityBoundaryM) {
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mUpperProximityBoundaryM = upperProximityBoundaryM;
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return this;
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}
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/**
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* Sets the auto derive ranging parameters flag. Defaults to false.
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*
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* <p>This enables the {@link RangingSession} to automatically derive all possible {@link
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* RangingParameters} at each {@link RangingSession#start} using the provided {@link
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* #setBaseKey} and {@link #setSyncData}, which shall be securely shared between the ranging
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* devices out of band.
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*/
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public Builder setAutoDeriveParams(boolean autoDeriveParams) {
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mAutoDeriveParams = autoDeriveParams;
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return this;
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}
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/**
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* Sets the base key. Only required if {@link #setAutoDeriveParams} is set to true.
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*
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* @param baseKey baseKey must be 16 or 32 bytes.
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* @throws NullPointerException if baseKey is null
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*/
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public Builder setBaseKey(@NonNull byte[] baseKey) {
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Preconditions.checkNotNull(baseKey);
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mBaseKey = baseKey;
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return this;
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}
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/**
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* Sets the sync data. Only required if {@link #setAutoDeriveParams} is set to true.
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*
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* @param syncData syncData must be 16 bytes.
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* @throws NullPointerException if syncData is null
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*/
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public Builder setSyncData(@NonNull byte[] syncData) {
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Preconditions.checkNotNull(syncData);
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mSyncData = syncData;
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return this;
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}
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/**
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* Builds {@link SessionParameters}.
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*
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* @throws IllegalArgumentException if any parameter is invalid.
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*/
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public SessionParameters build() {
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Preconditions.checkArgument(!mDeviceId.isEmpty(), "deviceId must not be empty.");
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Preconditions.checkArgument(
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mRangingMethod != RANGING_METHOD_UNKNOWN, "Unknown rangingMethod");
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Preconditions.checkArgument(
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mLowerProximityBoundaryM >= 0,
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"Negative lowerProximityBoundaryM: " + mLowerProximityBoundaryM);
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Preconditions.checkArgument(
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mLowerProximityBoundaryM <= mUpperProximityBoundaryM,
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"lowerProximityBoundaryM is greater than upperProximityBoundaryM: "
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+ mLowerProximityBoundaryM
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+ " > "
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+ mUpperProximityBoundaryM);
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// If mAutoDeriveParams is false, mBaseKey and mSyncData will not be used.
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if (mAutoDeriveParams) {
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Preconditions.checkArgument(
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mBaseKey.length == 16 || mBaseKey.length == 32,
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"Invalid baseKey length: " + mBaseKey.length);
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Preconditions.checkArgument(
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mSyncData.length == 16, "Invalid syncData length: " + mSyncData.length);
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}
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return new SessionParameters(
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mDeviceId,
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mRangingMethod,
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mLowerProximityBoundaryM,
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mUpperProximityBoundaryM,
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mAutoDeriveParams,
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mBaseKey,
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mSyncData);
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}
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}
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}
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@ -0,0 +1,43 @@
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.remoteauth.ranging;
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import static com.android.server.remoteauth.ranging.RangingCapabilities.RANGING_METHOD_UWB;
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import static org.junit.Assert.assertEquals;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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/** Unit test for {@link RangingCapabilities}. */
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@RunWith(AndroidJUnit4.class)
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public class RangingCapabilitiesTest {
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@Test
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public void testBuildingRangingCapabilities_success() {
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final RangingCapabilities rangingCapabilities =
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new RangingCapabilities.Builder()
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.addSupportedRangingMethods(RANGING_METHOD_UWB)
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.build();
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assertEquals(rangingCapabilities.getSupportedRangingMethods().size(), 1);
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assertEquals(
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(int) rangingCapabilities.getSupportedRangingMethods().get(0), RANGING_METHOD_UWB);
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}
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}
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@ -0,0 +1,208 @@
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.remoteauth.ranging;
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import static com.android.server.remoteauth.ranging.RangingCapabilities.RANGING_METHOD_UWB;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThrows;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import com.android.server.remoteauth.ranging.RangingCapabilities.RangingMethod;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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/** Unit tests for {@link SessionParameters}. */
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@RunWith(AndroidJUnit4.class)
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public class SessionParametersTest {
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private static final String TEST_DEVICE_ID = "test_device_id";
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@RangingMethod private static final int TEST_RANGING_METHOD = RANGING_METHOD_UWB;
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private static final float TEST_LOWER_PROXIMITY_BOUNDARY_M = 1.0f;
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private static final float TEST_UPPER_PROXIMITY_BOUNDARY_M = 2.5f;
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private static final boolean TEST_AUTO_DERIVE_PARAMS = true;
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private static final byte[] TEST_BASE_KEY =
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new byte[] {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
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0x0e, 0x0f
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};
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private static final byte[] TEST_SYNC_DATA =
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new byte[] {
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
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0x0f, 0x00
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};
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@Test
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public void testBuildingSessionParameters_success() {
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final SessionParameters sessionParameters =
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new SessionParameters.Builder()
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.setDeviceId(TEST_DEVICE_ID)
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.setRangingMethod(TEST_RANGING_METHOD)
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.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
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.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
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.setAutoDeriveParams(TEST_AUTO_DERIVE_PARAMS)
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.setBaseKey(TEST_BASE_KEY)
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.setSyncData(TEST_SYNC_DATA)
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.build();
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assertEquals(sessionParameters.getDeviceId(), TEST_DEVICE_ID);
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assertEquals(sessionParameters.getRangingMethod(), TEST_RANGING_METHOD);
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assertEquals(
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sessionParameters.getLowerProximityBoundaryM(),
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TEST_LOWER_PROXIMITY_BOUNDARY_M,
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0.0f);
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assertEquals(
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sessionParameters.getUpperProximityBoundaryM(),
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TEST_UPPER_PROXIMITY_BOUNDARY_M,
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0.0f);
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assertEquals(sessionParameters.getAutoDeriveParams(), TEST_AUTO_DERIVE_PARAMS);
|
||||
assertArrayEquals(sessionParameters.getBaseKey(), TEST_BASE_KEY);
|
||||
assertArrayEquals(sessionParameters.getSyncData(), TEST_SYNC_DATA);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidDeviceId() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setBaseKey(TEST_BASE_KEY)
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidRangingMethod() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setBaseKey(TEST_BASE_KEY)
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidLowerProximityBoundaryM() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(-1.0f)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setBaseKey(TEST_BASE_KEY)
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidUpperProximityBoundaryM() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M - 0.1f)
|
||||
.setBaseKey(TEST_BASE_KEY)
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_disableAutoDeriveParams() {
|
||||
final boolean autoDeriveParams = false;
|
||||
final SessionParameters sessionParameters =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setAutoDeriveParams(autoDeriveParams)
|
||||
.build();
|
||||
|
||||
assertEquals(sessionParameters.getAutoDeriveParams(), autoDeriveParams);
|
||||
assertArrayEquals(sessionParameters.getBaseKey(), new byte[] {});
|
||||
assertArrayEquals(sessionParameters.getSyncData(), new byte[] {});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_emptyBaseKey() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setAutoDeriveParams(TEST_AUTO_DERIVE_PARAMS)
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidBaseKey() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setAutoDeriveParams(TEST_AUTO_DERIVE_PARAMS)
|
||||
.setBaseKey(new byte[] {0x00, 0x01, 0x02, 0x13})
|
||||
.setSyncData(TEST_SYNC_DATA);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_emptySyncData() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setAutoDeriveParams(TEST_AUTO_DERIVE_PARAMS)
|
||||
.setBaseKey(TEST_BASE_KEY);
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBuildingSessionParameters_invalidSyncData() {
|
||||
final SessionParameters.Builder builder =
|
||||
new SessionParameters.Builder()
|
||||
.setDeviceId(TEST_DEVICE_ID)
|
||||
.setRangingMethod(TEST_RANGING_METHOD)
|
||||
.setLowerProximityBoundaryM(TEST_LOWER_PROXIMITY_BOUNDARY_M)
|
||||
.setUpperProximityBoundaryM(TEST_UPPER_PROXIMITY_BOUNDARY_M)
|
||||
.setAutoDeriveParams(TEST_AUTO_DERIVE_PARAMS)
|
||||
.setBaseKey(TEST_BASE_KEY)
|
||||
.setSyncData(new byte[] {0x00, 0x01, 0x02, 0x13});
|
||||
|
||||
assertThrows(IllegalArgumentException.class, () -> builder.build());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue