/* * Copyright (C) 2017 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 com.android.phone.euicc; import android.annotation.Nullable; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.pm.ActivityInfo; import android.os.Bundle; import android.provider.Settings; import android.service.euicc.EuiccService; import android.telephony.euicc.EuiccManager; import android.util.Log; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.telephony.euicc.EuiccConnector; /** Trampoline activity to forward eUICC intents from apps to the active UI implementation. */ public class EuiccUiDispatcherActivity extends Activity { private static final String TAG = "EuiccUiDispatcher"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try { Intent euiccUiIntent = resolveEuiccUiIntent(); if (euiccUiIntent == null) { setResult(RESULT_CANCELED); onDispatchFailure(); return; } euiccUiIntent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); startActivity(euiccUiIntent); } finally { // Since we're using Theme.NO_DISPLAY, we must always finish() at the end of onCreate(). finish(); } } @VisibleForTesting @Nullable Intent resolveEuiccUiIntent() { EuiccManager euiccManager = (EuiccManager) getSystemService(Context.EUICC_SERVICE); if (!euiccManager.isEnabled()) { Log.w(TAG, "eUICC not enabled"); return null; } Intent euiccUiIntent = getEuiccUiIntent(); if (euiccUiIntent == null) { Log.w(TAG, "Unable to handle intent"); return null; } ActivityInfo activityInfo = findBestActivity(euiccUiIntent); if (activityInfo == null) { Log.w(TAG, "Could not resolve activity for intent: " + euiccUiIntent); return null; } euiccUiIntent.setComponent(activityInfo.getComponentName()); return euiccUiIntent; } /** Called when dispatch fails. May be overridden to perform some operation here. */ protected void onDispatchFailure() { } /** * Return an Intent to start the Euicc app's UI for the given intent, or null if given intent * cannot be handled. */ @Nullable protected Intent getEuiccUiIntent() { String action = getIntent().getAction(); Intent intent = new Intent(); switch (action) { case EuiccManager.ACTION_MANAGE_EMBEDDED_SUBSCRIPTIONS: intent.setAction(EuiccService.ACTION_MANAGE_EMBEDDED_SUBSCRIPTIONS); break; case EuiccManager.ACTION_PROVISION_EMBEDDED_SUBSCRIPTION: if (isDeviceProvisioned()) { Log.w(TAG, "Cannot perform eUICC provisioning once device is provisioned"); return null; } intent.setAction(EuiccService.ACTION_PROVISION_EMBEDDED_SUBSCRIPTION); intent.putExtra( EuiccManager.EXTRA_FORCE_PROVISION, getIntent().getBooleanExtra(EuiccManager.EXTRA_FORCE_PROVISION, false)); break; default: Log.w(TAG, "Unsupported action: " + action); return null; } return intent; } @VisibleForTesting boolean isDeviceProvisioned() { return Settings.Global.getInt(getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0; } @VisibleForTesting @Nullable ActivityInfo findBestActivity(Intent euiccUiIntent) { return EuiccConnector.findBestActivity(getPackageManager(), euiccUiIntent); } }