1 /* 2 * Copyright (C) 2017 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 18 package com.android.settings.search; 19 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.net.Uri; 24 import android.provider.Settings; 25 import android.text.TextUtils; 26 27 import com.android.settingslib.search.SearchIndexableResources; 28 import com.android.settingslib.search.SearchIndexableResourcesMobile; 29 30 /** 31 * FeatureProvider for the refactored search code. 32 */ 33 public class SearchFeatureProviderImpl implements SearchFeatureProvider { 34 35 private static final String TAG = "SearchFeatureProvider"; 36 37 private SearchIndexableResources mSearchIndexableResources; 38 39 @Override verifyLaunchSearchResultPageCaller(Context context, ComponentName caller)40 public void verifyLaunchSearchResultPageCaller(Context context, ComponentName caller) { 41 if (caller == null) { 42 throw new IllegalArgumentException("ExternalSettingsTrampoline intents " 43 + "must be called with startActivityForResult"); 44 } 45 final String packageName = caller.getPackageName(); 46 final boolean isSettingsPackage = TextUtils.equals(packageName, context.getPackageName()) 47 || TextUtils.equals(getSettingsIntelligencePkgName(context), packageName); 48 final boolean isWhitelistedPackage = 49 isSignatureWhitelisted(context, caller.getPackageName()); 50 if (isSettingsPackage || isWhitelistedPackage) { 51 return; 52 } 53 throw new SecurityException("Search result intents must be called with from a " 54 + "whitelisted package."); 55 } 56 57 @Override getSearchIndexableResources()58 public SearchIndexableResources getSearchIndexableResources() { 59 if (mSearchIndexableResources == null) { 60 mSearchIndexableResources = new SearchIndexableResourcesMobile(); 61 } 62 return mSearchIndexableResources; 63 } 64 65 @Override buildSearchIntent(Context context, int pageId)66 public Intent buildSearchIntent(Context context, int pageId) { 67 return new Intent(Settings.ACTION_APP_SEARCH_SETTINGS) 68 .setPackage(getSettingsIntelligencePkgName(context)) 69 .putExtra(Intent.EXTRA_REFERRER, buildReferrer(context, pageId)); 70 } 71 isSignatureWhitelisted(Context context, String callerPackage)72 protected boolean isSignatureWhitelisted(Context context, String callerPackage) { 73 return false; 74 } 75 buildReferrer(Context context, int pageId)76 private static Uri buildReferrer(Context context, int pageId) { 77 return new Uri.Builder() 78 .scheme("android-app") 79 .authority(context.getPackageName()) 80 .path(String.valueOf(pageId)) 81 .build(); 82 } 83 } 84