1 /* 2 * Copyright (C) 2017 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 package com.android.phone.euicc; 17 18 import android.annotation.Nullable; 19 import android.app.PendingIntent; 20 import android.content.Intent; 21 import android.service.euicc.EuiccService; 22 import android.telephony.euicc.EuiccManager; 23 import android.util.Log; 24 25 /** 26 * Trampoline activity to forward eUICC intents for error resolutions to the active UI 27 * implementation. 28 * 29 * <p>Unlike {@link EuiccUiDispatcherActivity}, this activity is started with extras that must not 30 * be tampered with, because they are used to resume the operation after the error is resolved. We 31 * thus declare it as a separate activity which requires a locked-down permission to start. 32 */ 33 public class EuiccResolutionUiDispatcherActivity extends EuiccUiDispatcherActivity { 34 private static final String TAG = "EuiccResUiDispatcher"; 35 36 @Override 37 @Nullable getEuiccUiIntent()38 protected Intent getEuiccUiIntent() { 39 String action = getIntent().getAction(); 40 if (!EuiccManager.ACTION_RESOLVE_ERROR.equals(action)) { 41 Log.w(TAG, "Unsupported action: " + action); 42 return null; 43 } 44 45 String euiccUiAction = 46 getIntent().getStringExtra( 47 EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_RESOLUTION_ACTION); 48 if (!EuiccService.RESOLUTION_ACTIONS.contains(euiccUiAction)) { 49 Log.w(TAG, "Unknown resolution action: " + euiccUiAction); 50 return null; 51 } 52 53 Intent euiccUiIntent = new Intent(euiccUiAction); 54 // Propagate the extras from the original Intent. 55 euiccUiIntent.putExtras(getIntent()); 56 return euiccUiIntent; 57 } 58 59 @Override onDispatchFailure()60 protected void onDispatchFailure() { 61 // Attempt to dispatch the callback so the caller knows the operation has failed. 62 PendingIntent callbackIntent = 63 getIntent().getParcelableExtra( 64 EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_RESOLUTION_CALLBACK_INTENT); 65 if (callbackIntent != null) { 66 try { 67 callbackIntent.send(EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_ERROR); 68 } catch (PendingIntent.CanceledException e) { 69 // Caller canceled the callback; do nothing. 70 } 71 } 72 } 73 } 74