| /* |
| * Copyright (C) 2014 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.providers.telephony; |
| |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.os.Process; |
| import android.provider.Telephony; |
| |
| import com.android.internal.telephony.SmsApplication; |
| |
| /** |
| * Helpers |
| */ |
| public class ProviderUtil { |
| |
| /** |
| * Check if a caller of the provider has restricted access, |
| * i.e. being non-system, non-phone, non-default SMS app |
| * |
| * @param context the context to use |
| * @param packageName the caller package name |
| * @param uid the caller uid |
| * @return true if the caller is not system, or phone or default sms app, false otherwise |
| */ |
| public static boolean isAccessRestricted(Context context, String packageName, int uid) { |
| return (uid != Process.SYSTEM_UID |
| && uid != Process.PHONE_UID |
| && !SmsApplication.isDefaultSmsApplication(context, packageName)); |
| } |
| |
| /** |
| * Whether should set CREATOR for an insertion |
| * |
| * @param values The content of the message |
| * @param uid The caller UID of the insertion |
| * @return true if we should set CREATOR, false otherwise |
| */ |
| public static boolean shouldSetCreator(ContentValues values, int uid) { |
| return (uid != Process.SYSTEM_UID && uid != Process.PHONE_UID) || |
| (!values.containsKey(Telephony.Sms.CREATOR) && |
| !values.containsKey(Telephony.Mms.CREATOR)); |
| } |
| |
| /** |
| * Whether should remove CREATOR for an update |
| * |
| * @param values The content of the message |
| * @param uid The caller UID of the update |
| * @return true if we should remove CREATOR, false otherwise |
| */ |
| public static boolean shouldRemoveCreator(ContentValues values, int uid) { |
| return (uid != Process.SYSTEM_UID && uid != Process.PHONE_UID) && |
| (values.containsKey(Telephony.Sms.CREATOR) || |
| values.containsKey(Telephony.Mms.CREATOR)); |
| } |
| } |