1 /* 2 * Copyright (C) 2023 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.tv.settings.util; 18 19 import android.content.Intent; 20 21 /** 22 * Utilities to sanitize external intents 23 */ 24 public final class SafeIntents { 25 private static final int UNSAFE_GRANT_FLAGS = 26 Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION 27 | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION 28 | Intent.FLAG_GRANT_READ_URI_PERMISSION 29 | Intent.FLAG_GRANT_WRITE_URI_PERMISSION; 30 31 /** 32 * Returns an intent safe to callback to the app that supplied it. 33 */ forCallback(Intent intent)34 public static Intent forCallback(Intent intent) { 35 Intent safeIntent = new Intent(intent); 36 safeIntent.removeFlags(UNSAFE_GRANT_FLAGS); 37 return safeIntent; 38 } 39 SafeIntents()40 private SafeIntents() {} 41 } 42