| /* |
| * Copyright (C) 2017 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.tv.data.epg; |
| |
| import android.support.annotation.Nullable; |
| import android.support.annotation.VisibleForTesting; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import com.android.tv.common.BuildConfig; |
| import com.android.tv.common.config.api.RemoteConfig; |
| import com.android.tv.common.experiments.Experiments; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** Checks if a package or a input is white listed. */ |
| public final class EpgInputWhiteList { |
| private static final boolean DEBUG = false; |
| private static final String TAG = "EpgInputWhiteList"; |
| @VisibleForTesting public static final String KEY = "live_channels_3rd_party_epg_inputs"; |
| private static final String QA_DEV_INPUTS = |
| "com.example.partnersupportsampletvinput/.SampleTvInputService," |
| + "com.android.tv.tuner.sample.dvb/.tvinput.SampleDvbTunerTvInputService"; |
| |
| /** Returns the package portion of a inputId */ |
| @Nullable |
| public static String getPackageFromInput(@Nullable String inputId) { |
| return inputId == null ? null : inputId.substring(0, inputId.indexOf("/")); |
| } |
| |
| private final RemoteConfig remoteConfig; |
| |
| public EpgInputWhiteList(RemoteConfig remoteConfig) { |
| this.remoteConfig = remoteConfig; |
| } |
| |
| public boolean isInputWhiteListed(String inputId) { |
| return getWhiteListedInputs().contains(inputId); |
| } |
| |
| public boolean isPackageWhiteListed(String packageName) { |
| if (DEBUG) Log.d(TAG, "isPackageWhiteListed " + packageName); |
| Set<String> whiteList = getWhiteListedInputs(); |
| for (String good : whiteList) { |
| try { |
| String goodPackage = getPackageFromInput(good); |
| if (goodPackage.equals(packageName)) { |
| return true; |
| } |
| } catch (Exception e) { |
| if (DEBUG) Log.d(TAG, "Error parsing package name of " + good, e); |
| continue; |
| } |
| } |
| return false; |
| } |
| |
| private Set<String> getWhiteListedInputs() { |
| Set<String> result = toInputSet(remoteConfig.getString(KEY)); |
| if (BuildConfig.ENG || Experiments.ENABLE_QA_FEATURES.get()) { |
| HashSet<String> moreInputs = new HashSet<>(toInputSet(QA_DEV_INPUTS)); |
| if (result.isEmpty()) { |
| result = moreInputs; |
| } else { |
| result.addAll(moreInputs); |
| } |
| } |
| if (DEBUG) Log.d(TAG, "getWhiteListedInputs " + result); |
| return result; |
| } |
| |
| @VisibleForTesting |
| static Set<String> toInputSet(String value) { |
| if (TextUtils.isEmpty(value)) { |
| return Collections.emptySet(); |
| } |
| List<String> strings = Arrays.asList(value.split(",")); |
| Set<String> result = new HashSet<>(strings.size()); |
| for (String s : strings) { |
| String trimmed = s.trim(); |
| if (!TextUtils.isEmpty(trimmed)) { |
| result.add(trimmed); |
| } |
| } |
| return result; |
| } |
| } |