1 /*
2 * Copyright 2024 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 * https://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 package com.android.devicediagnostics.trusted
17
18 import android.app.Activity
19 import android.content.Intent
20 import android.os.Parcel
21 import android.os.Parcelable
22 import com.android.devicediagnostics.Protos.DeviceReport
23
24 private const val TRUSTED_STATE_KEY = "trusted_state"
25
26 class TrustedState(
27 var challenge: ByteArray,
28 var report: DeviceReport,
29 ) : Parcelable {
30 constructor(
31 parcel: Parcel
32 ) : this(parcel.createByteArray()!!, DeviceReport.parseFrom(parcel.createByteArray()!!)) {}
33
writeToParcelnull34 override fun writeToParcel(parcel: Parcel, flags: Int) {
35 parcel.writeByteArray(challenge)
36 parcel.writeByteArray(report.toByteArray())
37 }
38
describeContentsnull39 override fun describeContents(): Int {
40 return 0
41 }
42
43 companion object CREATOR : Parcelable.Creator<TrustedState> {
createFromParcelnull44 override fun createFromParcel(parcel: Parcel): TrustedState {
45 return TrustedState(parcel)
46 }
47
newArraynull48 override fun newArray(size: Int): Array<TrustedState?> {
49 return arrayOfNulls(size)
50 }
51
fromActivitynull52 fun fromActivity(activity: Activity): TrustedState? {
53 return activity.intent.getParcelableExtra(TRUSTED_STATE_KEY, TrustedState::class.java)
54 }
55 }
56 }
57
launchTrustedActivitynull58 fun launchTrustedActivity(from: Activity, className: String, state: TrustedState? = null) {
59 val intent = Intent()
60 intent.setClassName(from, className)
61
62 var ts = state
63 if (ts == null) ts = TrustedState.fromActivity(from)
64
65 if (ts != null) intent.putExtra(TRUSTED_STATE_KEY, ts)
66
67 from.startActivity(intent)
68 }
69