diff options
Diffstat (limited to 'src/com/android/tv/data/epg/EpgInputWhiteList.java')
-rw-r--r-- | src/com/android/tv/data/epg/EpgInputWhiteList.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/com/android/tv/data/epg/EpgInputWhiteList.java b/src/com/android/tv/data/epg/EpgInputWhiteList.java new file mode 100644 index 00000000..eada8b24 --- /dev/null +++ b/src/com/android/tv/data/epg/EpgInputWhiteList.java @@ -0,0 +1,103 @@ +/* + * 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; + } +} |