1 /*
2  * Copyright (C) 2012 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.cellbroadcastreceiver.tests;
18 
19 import android.Manifest;
20 import android.app.Activity;
21 import android.app.AppOpsManager;
22 import android.content.Intent;
23 import android.os.UserHandle;
24 import android.provider.Telephony;
25 import android.telephony.SmsCbCmasInfo;
26 import android.telephony.SmsCbLocation;
27 import android.telephony.SmsCbMessage;
28 
29 import com.android.internal.telephony.CellBroadcastUtils;
30 import com.android.internal.telephony.cdma.sms.SmsEnvelope;
31 
32 /**
33  * Send some test CDMA CMAS warning notifications.
34  */
35 public class SendCdmaCmasMessages {
36 
37     private static final String PRES_ALERT =
38             "THE PRESIDENT HAS ISSUED AN EMERGENCY ALERT. CHECK LOCAL MEDIA FOR MORE DETAILS";
39 
40     private static final String EXTREME_ALERT = "FLASH FLOOD WARNING FOR SOUTH COCONINO COUNTY"
41             + " - NORTH CENTRAL ARIZONA UNTIL 415 PM MST";
42 
43     private static final String SEVERE_ALERT = "SEVERE WEATHER WARNING FOR SOMERSET COUNTY"
44             + " - NEW JERSEY UNTIL 415 PM MST";
45 
46     private static final String AMBER_ALERT =
47             "AMBER ALERT:Mountain View,CA VEH'07 Blue Honda Civic CA LIC 5ABC123. "
48                     + "Check https://www.amberalert.gov/active.htm for more information.";
49 
50     private static final String MONTHLY_TEST_ALERT = "This is a test of the emergency alert system."
51             + " This is only a test. Call (123)456-7890.";
52 
sendBroadcast(Activity activity, SmsCbMessage cbMessage)53     private static void sendBroadcast(Activity activity, SmsCbMessage cbMessage) {
54         Intent intent = new Intent(Telephony.Sms.Intents.ACTION_SMS_EMERGENCY_CB_RECEIVED);
55         intent.putExtra("message", cbMessage);
56         intent.setPackage(CellBroadcastUtils.getDefaultCellBroadcastReceiverPackageName(
57                 activity.getApplicationContext()));
58         activity.sendOrderedBroadcastAsUser(intent, UserHandle.ALL,
59                 Manifest.permission.RECEIVE_EMERGENCY_BROADCAST,
60                 AppOpsManager.OP_RECEIVE_EMERGECY_SMS, null, null, Activity.RESULT_OK, null, null);
61     }
62 
testSendCmasPresAlert(Activity activity, int serialNumber)63     public static void testSendCmasPresAlert(Activity activity, int serialNumber) {
64         SmsCbMessage cbMessage = createCmasSmsMessage(
65                 SmsEnvelope.SERVICE_CATEGORY_CMAS_PRESIDENTIAL_LEVEL_ALERT, serialNumber, "en",
66                 PRES_ALERT, SmsCbCmasInfo.CMAS_CATEGORY_GEO,
67                 SmsCbCmasInfo.CMAS_RESPONSE_TYPE_PREPARE, SmsCbCmasInfo.CMAS_SEVERITY_EXTREME,
68                 SmsCbCmasInfo.CMAS_URGENCY_EXPECTED, SmsCbCmasInfo.CMAS_CERTAINTY_LIKELY);
69 
70         sendBroadcast(activity, cbMessage);
71     }
72 
testSendCmasExtremeAlert(Activity activity, int serialNumber)73     public static void testSendCmasExtremeAlert(Activity activity, int serialNumber) {
74         SmsCbMessage cbMessage = createCmasSmsMessage(
75                 SmsEnvelope.SERVICE_CATEGORY_CMAS_EXTREME_THREAT, serialNumber, "en",
76                 EXTREME_ALERT, SmsCbCmasInfo.CMAS_CATEGORY_MET,
77                 SmsCbCmasInfo.CMAS_RESPONSE_TYPE_PREPARE, SmsCbCmasInfo.CMAS_SEVERITY_EXTREME,
78                 SmsCbCmasInfo.CMAS_URGENCY_EXPECTED, SmsCbCmasInfo.CMAS_CERTAINTY_OBSERVED);
79 
80         sendBroadcast(activity, cbMessage);
81     }
82 
testSendCmasSevereAlert(Activity activity, int serialNumber)83     public static void testSendCmasSevereAlert(Activity activity, int serialNumber) {
84         SmsCbMessage cbMessage = createCmasSmsMessage(
85                 SmsEnvelope.SERVICE_CATEGORY_CMAS_SEVERE_THREAT, serialNumber, "en",
86                 SEVERE_ALERT, SmsCbCmasInfo.CMAS_CATEGORY_HEALTH,
87                 SmsCbCmasInfo.CMAS_RESPONSE_TYPE_AVOID, SmsCbCmasInfo.CMAS_SEVERITY_SEVERE,
88                 SmsCbCmasInfo.CMAS_URGENCY_IMMEDIATE, SmsCbCmasInfo.CMAS_CERTAINTY_LIKELY);
89 
90         sendBroadcast(activity, cbMessage);
91     }
92 
testSendCmasAmberAlert(Activity activity, int serialNumber)93     public static void testSendCmasAmberAlert(Activity activity, int serialNumber) {
94         SmsCbMessage cbMessage = createCmasSmsMessage(
95                 SmsEnvelope.SERVICE_CATEGORY_CMAS_CHILD_ABDUCTION_EMERGENCY, serialNumber, "en",
96                 AMBER_ALERT, SmsCbCmasInfo.CMAS_CATEGORY_UNKNOWN,
97                 SmsCbCmasInfo.CMAS_RESPONSE_TYPE_UNKNOWN, SmsCbCmasInfo.CMAS_SEVERITY_UNKNOWN,
98                 SmsCbCmasInfo.CMAS_URGENCY_UNKNOWN, SmsCbCmasInfo.CMAS_CERTAINTY_UNKNOWN);
99 
100         sendBroadcast(activity, cbMessage);
101     }
102 
testSendCmasMonthlyTest(Activity activity, int serialNumber)103     public static void testSendCmasMonthlyTest(Activity activity, int serialNumber) {
104         SmsCbMessage cbMessage = createCmasSmsMessage(
105                 SmsEnvelope.SERVICE_CATEGORY_CMAS_TEST_MESSAGE, serialNumber, "en",
106                 MONTHLY_TEST_ALERT, SmsCbCmasInfo.CMAS_CATEGORY_UNKNOWN,
107                 SmsCbCmasInfo.CMAS_RESPONSE_TYPE_UNKNOWN, SmsCbCmasInfo.CMAS_SEVERITY_UNKNOWN,
108                 SmsCbCmasInfo.CMAS_URGENCY_UNKNOWN, SmsCbCmasInfo.CMAS_CERTAINTY_UNKNOWN);
109 
110         sendBroadcast(activity, cbMessage);
111     }
112 
113     /**
114      * Create a new SmsCbMessage for testing CDMA CMAS support.
115      * @param serviceCategory the CDMA service category
116      * @param serialNumber the 16-bit message identifier
117      * @param language message language code
118      * @param body message body
119      * @param cmasCategory CMAS category (or -1 to skip adding CMAS type 1 elements record)
120      * @param responseType CMAS response type
121      * @param severity CMAS severity
122      * @param urgency CMAS urgency
123      * @param certainty CMAS certainty
124      * @return the newly created SmsMessage object
125      */
createCmasSmsMessage(int serviceCategory, int serialNumber, String language, String body, int cmasCategory, int responseType, int severity, int urgency, int certainty)126     private static SmsCbMessage createCmasSmsMessage(int serviceCategory, int serialNumber,
127             String language, String body, int cmasCategory, int responseType, int severity,
128             int urgency, int certainty) {
129         int cmasMessageClass = serviceCategoryToCmasMessageClass(serviceCategory);
130         SmsCbCmasInfo cmasInfo = new SmsCbCmasInfo(cmasMessageClass, cmasCategory, responseType,
131                 severity, urgency, certainty);
132         return new SmsCbMessage(SmsCbMessage.MESSAGE_FORMAT_3GPP2,
133                 SmsCbMessage.GEOGRAPHICAL_SCOPE_PLMN_WIDE, serialNumber,
134                 new SmsCbLocation("123456"), serviceCategory, language, body,
135                 SmsCbMessage.MESSAGE_PRIORITY_EMERGENCY, null, cmasInfo, 0, 1);
136     }
137 
138     /**
139      * Convert CDMA service category to CMAS message class. Copied from {@code BearerData}.
140      * @param serviceCategory CDMA service category
141      * @return CMAS message class
142      */
serviceCategoryToCmasMessageClass(int serviceCategory)143     private static int serviceCategoryToCmasMessageClass(int serviceCategory) {
144         switch (serviceCategory) {
145             case SmsEnvelope.SERVICE_CATEGORY_CMAS_PRESIDENTIAL_LEVEL_ALERT:
146                 return SmsCbCmasInfo.CMAS_CLASS_PRESIDENTIAL_LEVEL_ALERT;
147 
148             case SmsEnvelope.SERVICE_CATEGORY_CMAS_EXTREME_THREAT:
149                 return SmsCbCmasInfo.CMAS_CLASS_EXTREME_THREAT;
150 
151             case SmsEnvelope.SERVICE_CATEGORY_CMAS_SEVERE_THREAT:
152                 return SmsCbCmasInfo.CMAS_CLASS_SEVERE_THREAT;
153 
154             case SmsEnvelope.SERVICE_CATEGORY_CMAS_CHILD_ABDUCTION_EMERGENCY:
155                 return SmsCbCmasInfo.CMAS_CLASS_CHILD_ABDUCTION_EMERGENCY;
156 
157             case SmsEnvelope.SERVICE_CATEGORY_CMAS_TEST_MESSAGE:
158                 return SmsCbCmasInfo.CMAS_CLASS_REQUIRED_MONTHLY_TEST;
159 
160             default:
161                 return SmsCbCmasInfo.CMAS_CLASS_UNKNOWN;
162         }
163     }
164 }
165