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.rkpdapp.testutil; 18 19 import android.os.SystemProperties; 20 21 public class SystemPropertySetter implements AutoCloseable { 22 final String mKey; 23 final String mOriginalValue; 24 setHostname(String value)25 public static SystemPropertySetter setHostname(String value) { 26 return new SystemPropertySetter("remote_provisioning.hostname", value); 27 } 28 setRkpOnly(String instanceName)29 public static SystemPropertySetter setRkpOnly(String instanceName) { 30 switch (instanceName) { 31 case "default": 32 return new SystemPropertySetter("remote_provisioning.tee.rkp_only", "true"); 33 case "strongbox": 34 return new SystemPropertySetter("remote_provisioning.strongbox.rkp_only", "true"); 35 default: 36 throw new IllegalArgumentException("Unexpected instance: " + instanceName); 37 } 38 } 39 SystemPropertySetter(String key, String value)40 private SystemPropertySetter(String key, String value) { 41 mKey = key; 42 mOriginalValue = SystemProperties.get(key, ""); 43 SystemProperties.set(key, value); 44 } 45 close()46 public void close() { 47 SystemProperties.set(mKey, mOriginalValue); 48 } 49 } 50