From 8163b80a7ec63e8869742c8eac7291629d9c32f8 Mon Sep 17 00:00:00 2001
From: Shuo Qian <shuoq@google.com>
Date: Mon, 14 Oct 2019 13:10:11 -0700
Subject: Emergency number database config updater

Test: https://paste.googleplex.com/5345498821033984
Bug: 64131637
Change-Id: I0fbd48fe8ef5e008af714312859b513a22679fcb
---
 api/system-current.txt                             |  1 +
 core/java/android/os/ConfigUpdate.java             | 15 +++++++++
 core/res/AndroidManifest.xml                       |  8 +++++
 .../updates/EmergencyNumberDbInstallReceiver.java  | 39 ++++++++++++++++++++++
 4 files changed, 63 insertions(+)
 create mode 100644 services/core/java/com/android/server/updates/EmergencyNumberDbInstallReceiver.java

diff --git a/api/system-current.txt b/api/system-current.txt
index 117be3bb4c7a..69a240247828 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5210,6 +5210,7 @@ package android.os {
     field public static final String ACTION_UPDATE_CARRIER_PROVISIONING_URLS = "android.intent.action.UPDATE_CARRIER_PROVISIONING_URLS";
     field public static final String ACTION_UPDATE_CONVERSATION_ACTIONS = "android.intent.action.UPDATE_CONVERSATION_ACTIONS";
     field public static final String ACTION_UPDATE_CT_LOGS = "android.intent.action.UPDATE_CT_LOGS";
+    field public static final String ACTION_UPDATE_EMERGENCY_NUMBER_DB = "android.os.action.UPDATE_EMERGENCY_NUMBER_DB";
     field public static final String ACTION_UPDATE_INTENT_FIREWALL = "android.intent.action.UPDATE_INTENT_FIREWALL";
     field public static final String ACTION_UPDATE_LANG_ID = "android.intent.action.UPDATE_LANG_ID";
     field public static final String ACTION_UPDATE_NETWORK_WATCHLIST = "android.intent.action.UPDATE_NETWORK_WATCHLIST";
diff --git a/core/java/android/os/ConfigUpdate.java b/core/java/android/os/ConfigUpdate.java
index 767c15caefd0..9c999b202797 100644
--- a/core/java/android/os/ConfigUpdate.java
+++ b/core/java/android/os/ConfigUpdate.java
@@ -113,6 +113,21 @@ public final class ConfigUpdate {
     public static final String ACTION_UPDATE_CARRIER_ID_DB
             = "android.os.action.UPDATE_CARRIER_ID_DB";
 
+    /**
+    * Broadcast intent action indicating that the updated emergency number database is available.
+    * <p>Extra: "VERSION" the numeric version of the new data. Devices should only install if the
+    * update version is newer than the current one.
+    * <p>Extra: "REQUIRED_HASH" the hash of the current update data.
+    * <p>Input: {@link android.content.Intent#getData} is URI of downloaded emergency number file.
+    * Devices should pick up the downloaded file and persist to the database
+    * {@code com.android.internal.telephony.emergency.EmergencyNumberTracker}.
+    *
+    * @hide
+    */
+    @SystemApi
+    public static final String ACTION_UPDATE_EMERGENCY_NUMBER_DB =
+            "android.os.action.UPDATE_EMERGENCY_NUMBER_DB";
+
     private ConfigUpdate() {
     }
 }
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index f98ea2cbaa17..bd30699266c8 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -4951,6 +4951,14 @@
             </intent-filter>
         </receiver>
 
+        <receiver android:name="com.android.server.updates.EmergencyNumberDbInstallReceiver"
+                  android:permission="android.permission.UPDATE_CONFIG">
+            <intent-filter>
+                <action android:name="android.os.action.UPDATE_EMERGENCY_NUMBER_DB" />
+                <data android:scheme="content" android:host="*" android:mimeType="*/*" />
+            </intent-filter>
+        </receiver>
+
         <receiver android:name="com.android.server.MasterClearReceiver"
             android:permission="android.permission.MASTER_CLEAR">
             <intent-filter
diff --git a/services/core/java/com/android/server/updates/EmergencyNumberDbInstallReceiver.java b/services/core/java/com/android/server/updates/EmergencyNumberDbInstallReceiver.java
new file mode 100644
index 000000000000..852f70779f77
--- /dev/null
+++ b/services/core/java/com/android/server/updates/EmergencyNumberDbInstallReceiver.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2019 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.server.updates;
+
+import android.content.Context;
+import android.content.Intent;
+import android.util.Slog;
+
+/**
+ * Emergency Number Database Install Receiver.
+ */
+public class EmergencyNumberDbInstallReceiver extends ConfigUpdateInstallReceiver {
+
+    private static final String TAG = "EmergencyNumberDbInstallReceiver";
+
+    public EmergencyNumberDbInstallReceiver() {
+        super("/data/misc/emergencynumberdb", "emergency_number_db", "metadata/", "version");
+    }
+
+    @Override
+    protected void postInstall(Context context, Intent intent) {
+        Slog.i(TAG, "Emergency number database is updated in file partition");
+        // TODO Send a notification to EmergencyNumberTracker for updating of emergency number db.
+    }
+}
-- 
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