1 /* 2 * Copyright (C) 2015 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.phone.vvm.omtp.sms; 18 19 import android.annotation.MainThread; 20 import android.annotation.Nullable; 21 import android.annotation.WorkerThread; 22 import android.app.Activity; 23 import android.app.PendingIntent; 24 import android.content.BroadcastReceiver; 25 import android.content.Context; 26 import android.content.Intent; 27 import android.content.IntentFilter; 28 import android.os.Bundle; 29 import android.provider.VoicemailContract; 30 import android.telephony.SmsManager; 31 32 import com.android.phone.Assert; 33 import com.android.phone.vvm.omtp.OmtpConstants; 34 import com.android.phone.vvm.omtp.OmtpVvmCarrierConfigHelper; 35 import com.android.phone.vvm.omtp.VvmLog; 36 import com.android.phone.vvm.omtp.protocol.VisualVoicemailProtocol; 37 38 import java.io.Closeable; 39 import java.io.IOException; 40 import java.util.concurrent.CancellationException; 41 import java.util.concurrent.CompletableFuture; 42 import java.util.concurrent.ExecutionException; 43 import java.util.concurrent.TimeUnit; 44 import java.util.concurrent.TimeoutException; 45 46 /** 47 * Intercepts a incoming STATUS SMS with a blocking call. 48 */ 49 public class StatusSmsFetcher extends BroadcastReceiver implements Closeable { 50 51 private static final String TAG = "VvmStatusSmsFetcher"; 52 53 private static final long STATUS_SMS_TIMEOUT_MILLIS = 60_000; 54 private static final String ACTION_REQUEST_SENT_INTENT 55 = "com.android.phone.vvm.omtp.sms.REQUEST_SENT"; 56 private static final int ACTION_REQUEST_SENT_REQUEST_CODE = 0; 57 58 private CompletableFuture<Bundle> mFuture = new CompletableFuture<>(); 59 60 private final Context mContext; 61 private final int mSubId; 62 StatusSmsFetcher(Context context, int subId)63 public StatusSmsFetcher(Context context, int subId) { 64 mContext = context; 65 mSubId = subId; 66 IntentFilter filter = new IntentFilter(VoicemailContract.ACTION_VOICEMAIL_SMS_RECEIVED); 67 filter.addAction(ACTION_REQUEST_SENT_INTENT); 68 context.registerReceiver(this, filter); 69 } 70 71 @Override close()72 public void close() throws IOException { 73 mContext.unregisterReceiver(this); 74 } 75 76 @WorkerThread 77 @Nullable get()78 public Bundle get() throws InterruptedException, ExecutionException, TimeoutException, 79 CancellationException { 80 Assert.isNotMainThread(); 81 return mFuture.get(STATUS_SMS_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); 82 } 83 getSentIntent()84 public PendingIntent getSentIntent() { 85 Intent intent = new Intent(ACTION_REQUEST_SENT_INTENT); 86 intent.setPackage(mContext.getPackageName()); 87 // Because the receiver is registered dynamically, implicit intent must be used. 88 // There should only be a single status SMS request at a time. 89 return PendingIntent.getBroadcast(mContext, ACTION_REQUEST_SENT_REQUEST_CODE, intent, 90 PendingIntent.FLAG_CANCEL_CURRENT); 91 } 92 93 @Override 94 @MainThread onReceive(Context context, Intent intent)95 public void onReceive(Context context, Intent intent) { 96 Assert.isMainThread(); 97 if (ACTION_REQUEST_SENT_INTENT.equals(intent.getAction())) { 98 int resultCode = getResultCode(); 99 100 if (resultCode == Activity.RESULT_OK) { 101 VvmLog.d(TAG, "Request SMS successfully sent"); 102 return; 103 } 104 105 VvmLog.e(TAG, "Request SMS send failed: " + sentSmsResultToString(resultCode)); 106 mFuture.cancel(true); 107 return; 108 } 109 110 int subId = intent.getExtras().getInt(VoicemailContract.EXTRA_VOICEMAIL_SMS_SUBID); 111 112 if (mSubId != subId) { 113 return; 114 } 115 String eventType = intent.getExtras() 116 .getString(VoicemailContract.EXTRA_VOICEMAIL_SMS_PREFIX); 117 118 if (eventType.equals(OmtpConstants.STATUS_SMS_PREFIX)) { 119 mFuture.complete(intent.getBundleExtra(VoicemailContract.EXTRA_VOICEMAIL_SMS_FIELDS)); 120 return; 121 } 122 123 if (eventType.equals(OmtpConstants.SYNC_SMS_PREFIX)) { 124 return; 125 } 126 127 VvmLog.i(TAG, "VVM SMS with event " + eventType 128 + " received, attempting to translate to STATUS SMS"); 129 OmtpVvmCarrierConfigHelper helper = new OmtpVvmCarrierConfigHelper(context, subId); 130 VisualVoicemailProtocol protocol = helper.getProtocol(); 131 if (protocol == null) { 132 return; 133 } 134 Bundle translatedBundle = protocol.translateStatusSmsBundle(helper, eventType, 135 intent.getBundleExtra(VoicemailContract.EXTRA_VOICEMAIL_SMS_FIELDS)); 136 137 if (translatedBundle != null) { 138 VvmLog.i(TAG, "Translated to STATUS SMS"); 139 mFuture.complete(translatedBundle); 140 } 141 } 142 sentSmsResultToString(int resultCode)143 private static String sentSmsResultToString(int resultCode) { 144 switch (resultCode) { 145 case Activity.RESULT_OK: 146 return "OK"; 147 case SmsManager.RESULT_ERROR_GENERIC_FAILURE: 148 return "RESULT_ERROR_GENERIC_FAILURE"; 149 case SmsManager.RESULT_ERROR_NO_SERVICE: 150 return "RESULT_ERROR_GENERIC_FAILURE"; 151 case SmsManager.RESULT_ERROR_NULL_PDU: 152 return "RESULT_ERROR_GENERIC_FAILURE"; 153 case SmsManager.RESULT_ERROR_RADIO_OFF: 154 return "RESULT_ERROR_GENERIC_FAILURE"; 155 default: 156 return "UNKNOWN CODE: " + resultCode; 157 } 158 } 159 } 160