1176 lines
49 KiB
Java
1176 lines
49 KiB
Java
package org.schabi.newpipe.extractor.services.youtube.extractors;
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import com.grack.nanojson.JsonArray;
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import com.grack.nanojson.JsonObject;
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import com.grack.nanojson.JsonParser;
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import com.grack.nanojson.JsonParserException;
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import org.mozilla.javascript.Context;
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import org.mozilla.javascript.Function;
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import org.mozilla.javascript.ScriptableObject;
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import org.schabi.newpipe.extractor.MediaFormat;
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import org.schabi.newpipe.extractor.MetaInfo;
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import org.schabi.newpipe.extractor.NewPipe;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.downloader.Downloader;
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import org.schabi.newpipe.extractor.downloader.Response;
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import org.schabi.newpipe.extractor.exceptions.*;
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import org.schabi.newpipe.extractor.linkhandler.LinkHandler;
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import org.schabi.newpipe.extractor.localization.DateWrapper;
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import org.schabi.newpipe.extractor.localization.Localization;
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import org.schabi.newpipe.extractor.localization.TimeAgoParser;
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import org.schabi.newpipe.extractor.localization.TimeAgoPatternsManager;
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import org.schabi.newpipe.extractor.services.youtube.ItagItem;
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import org.schabi.newpipe.extractor.services.youtube.YoutubeJavaScriptExtractor;
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import org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper;
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import org.schabi.newpipe.extractor.services.youtube.YoutubeThrottlingDecrypter;
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import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeChannelLinkHandlerFactory;
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import org.schabi.newpipe.extractor.stream.*;
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import org.schabi.newpipe.extractor.utils.JsonUtils;
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import org.schabi.newpipe.extractor.utils.Parser;
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import org.schabi.newpipe.extractor.utils.Utils;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.time.LocalDate;
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import java.time.OffsetDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.*;
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import static org.schabi.newpipe.extractor.utils.Utils.EMPTY_STRING;
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import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
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/*
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* Created by Christian Schabesberger on 06.08.15.
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*
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* Copyright (C) Christian Schabesberger 2019 <chris.schabesberger@mailbox.org>
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* YoutubeStreamExtractor.java is part of NewPipe.
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*
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* NewPipe is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* NewPipe is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NewPipe. If not, see <http://www.gnu.org/licenses/>.
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*/
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public class YoutubeStreamExtractor extends StreamExtractor {
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/*//////////////////////////////////////////////////////////////////////////
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// Exceptions
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//////////////////////////////////////////////////////////////////////////*/
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public static class DeobfuscateException extends ParsingException {
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DeobfuscateException(final String message, final Throwable cause) {
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super(message, cause);
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}
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}
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/*//////////////////////////////////////////////////////////////////////////*/
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@Nullable
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private static String cachedDeobfuscationCode = null;
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@Nonnull
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private final Map<String, String> videoInfoPage = new HashMap<>();
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private JsonArray initialAjaxJson;
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private JsonObject initialData;
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private JsonObject playerResponse;
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private JsonObject videoPrimaryInfoRenderer;
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private JsonObject videoSecondaryInfoRenderer;
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private int ageLimit = -1;
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@Nullable
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private List<SubtitlesStream> subtitles = null;
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public YoutubeStreamExtractor(final StreamingService service, final LinkHandler linkHandler) {
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super(service, linkHandler);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Impl
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//////////////////////////////////////////////////////////////////////////*/
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@Nonnull
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@Override
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public String getName() throws ParsingException {
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assertPageFetched();
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String title = null;
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try {
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title = getTextFromObject(getVideoPrimaryInfoRenderer().getObject("title"));
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} catch (final ParsingException ignored) {
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// age-restricted videos cause a ParsingException here
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}
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if (isNullOrEmpty(title)) {
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title = playerResponse.getObject("videoDetails").getString("title");
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if (isNullOrEmpty(title)) throw new ParsingException("Could not get name");
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}
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return title;
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}
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@Nullable
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@Override
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public String getTextualUploadDate() throws ParsingException {
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final JsonObject micro =
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playerResponse.getObject("microformat").getObject("playerMicroformatRenderer");
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if (!micro.getString("uploadDate", EMPTY_STRING).isEmpty()) {
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return micro.getString("uploadDate");
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} else if (!micro.getString("publishDate", EMPTY_STRING).isEmpty()) {
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return micro.getString("publishDate");
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} else {
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final JsonObject liveDetails = micro.getObject("liveBroadcastDetails");
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if (!liveDetails.getString("endTimestamp", EMPTY_STRING).isEmpty()) {
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// an ended live stream
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return liveDetails.getString("endTimestamp");
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} else if (!liveDetails.getString("startTimestamp", EMPTY_STRING).isEmpty()) {
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// a running live stream
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return liveDetails.getString("startTimestamp");
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} else if (getStreamType() == StreamType.LIVE_STREAM) {
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// this should never be reached, but a live stream without upload date is valid
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return null;
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}
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}
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if (getTextFromObject(getVideoPrimaryInfoRenderer().getObject("dateText")).startsWith("Premiered")) {
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String time = getTextFromObject(getVideoPrimaryInfoRenderer().getObject("dateText")).substring(10);
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try { // Premiered 20 hours ago
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TimeAgoParser timeAgoParser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.fromLocalizationCode("en"));
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OffsetDateTime parsedTime = timeAgoParser.parse(time).offsetDateTime();
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return DateTimeFormatter.ISO_LOCAL_DATE.format(parsedTime);
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} catch (final Exception ignored) {
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}
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try { // Premiered Feb 21, 2020
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final LocalDate localDate = LocalDate.parse(time,
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DateTimeFormatter.ofPattern("MMM dd, yyyy", Locale.ENGLISH));
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return DateTimeFormatter.ISO_LOCAL_DATE.format(localDate);
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} catch (final Exception ignored) {
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}
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}
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try {
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// TODO: this parses English formatted dates only, we need a better approach to parse the textual date
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LocalDate localDate = LocalDate.parse(getTextFromObject(getVideoPrimaryInfoRenderer().getObject("dateText")),
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DateTimeFormatter.ofPattern("dd MMM yyyy", Locale.ENGLISH));
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return DateTimeFormatter.ISO_LOCAL_DATE.format(localDate);
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} catch (final Exception ignored) {
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}
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throw new ParsingException("Could not get upload date");
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}
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@Override
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public DateWrapper getUploadDate() throws ParsingException {
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final String textualUploadDate = getTextualUploadDate();
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if (isNullOrEmpty(textualUploadDate)) {
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return null;
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}
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return new DateWrapper(YoutubeParsingHelper.parseDateFrom(textualUploadDate), true);
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}
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@Nonnull
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@Override
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public String getThumbnailUrl() throws ParsingException {
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assertPageFetched();
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try {
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JsonArray thumbnails = playerResponse.getObject("videoDetails").getObject("thumbnail").getArray("thumbnails");
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// the last thumbnail is the one with the highest resolution
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String url = thumbnails.getObject(thumbnails.size() - 1).getString("url");
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return fixThumbnailUrl(url);
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} catch (final Exception e) {
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throw new ParsingException("Could not get thumbnail url");
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}
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}
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@Nonnull
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@Override
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public Description getDescription() throws ParsingException {
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assertPageFetched();
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// description with more info on links
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try {
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String description = getTextFromObject(getVideoSecondaryInfoRenderer().getObject("description"), true);
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if (!isNullOrEmpty(description)) return new Description(description, Description.HTML);
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} catch (final ParsingException ignored) {
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// age-restricted videos cause a ParsingException here
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}
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String description = playerResponse.getObject("videoDetails").getString("shortDescription");
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if (description == null) {
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final JsonObject descriptionObject = playerResponse.getObject("microformat")
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.getObject("playerMicroformatRenderer").getObject("description");
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description = getTextFromObject(descriptionObject);
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}
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// raw non-html description
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return new Description(description, Description.PLAIN_TEXT);
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}
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@Override
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public int getAgeLimit() throws ParsingException {
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if (ageLimit == -1) {
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ageLimit = NO_AGE_LIMIT;
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final JsonArray metadataRows = getVideoSecondaryInfoRenderer()
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.getObject("metadataRowContainer").getObject("metadataRowContainerRenderer")
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.getArray("rows");
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for (final Object metadataRow : metadataRows) {
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final JsonArray contents = ((JsonObject) metadataRow)
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.getObject("metadataRowRenderer").getArray("contents");
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for (final Object content : contents) {
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final JsonArray runs = ((JsonObject) content).getArray("runs");
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for (final Object run : runs) {
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final String rowText = ((JsonObject) run).getString("text", EMPTY_STRING);
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if (rowText.contains("Age-restricted")) {
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ageLimit = 18;
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return ageLimit;
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}
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}
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}
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}
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}
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return ageLimit;
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}
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@Override
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public long getLength() throws ParsingException {
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assertPageFetched();
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try {
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String duration = playerResponse
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.getObject("videoDetails")
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.getString("lengthSeconds");
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return Long.parseLong(duration);
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} catch (final Exception e) {
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try {
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String durationMs = playerResponse
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.getObject("streamingData")
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.getArray("formats")
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.getObject(0)
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.getString("approxDurationMs");
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return Math.round(Long.parseLong(durationMs) / 1000f);
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} catch (final Exception ignored) {
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throw new ParsingException("Could not get duration", e);
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}
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}
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}
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/**
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* Attempts to parse (and return) the offset to start playing the video from.
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*
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* @return the offset (in seconds), or 0 if no timestamp is found.
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*/
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@Override
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public long getTimeStamp() throws ParsingException {
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final long timestamp =
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getTimestampSeconds("((#|&|\\?)t=\\d{0,3}h?\\d{0,3}m?\\d{1,3}s?)");
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if (timestamp == -2) {
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// regex for timestamp was not found
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return 0;
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} else {
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return timestamp;
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}
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}
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@Override
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public long getViewCount() throws ParsingException {
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assertPageFetched();
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String views = null;
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try {
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views = getTextFromObject(getVideoPrimaryInfoRenderer().getObject("viewCount")
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.getObject("videoViewCountRenderer").getObject("viewCount"));
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} catch (final ParsingException ignored) {
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// age-restricted videos cause a ParsingException here
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}
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if (isNullOrEmpty(views)) {
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views = playerResponse.getObject("videoDetails").getString("viewCount");
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if (isNullOrEmpty(views)) throw new ParsingException("Could not get view count");
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}
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if (views.toLowerCase().contains("no views")) return 0;
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return Long.parseLong(Utils.removeNonDigitCharacters(views));
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}
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@Override
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public long getLikeCount() throws ParsingException {
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assertPageFetched();
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String likesString = "";
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try {
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try {
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likesString = getVideoPrimaryInfoRenderer().getObject("sentimentBar")
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.getObject("sentimentBarRenderer").getString("tooltip").split("/")[0];
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} catch (final NullPointerException e) {
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// if this kicks in our button has no content and therefore ratings must be disabled
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if (playerResponse.getObject("videoDetails").getBoolean("allowRatings")) {
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throw new ParsingException("Ratings are enabled even though the like button is missing", e);
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}
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return -1;
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}
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return Integer.parseInt(Utils.removeNonDigitCharacters(likesString));
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} catch (final NumberFormatException nfe) {
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throw new ParsingException("Could not parse \"" + likesString + "\" as an Integer", nfe);
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} catch (final Exception e) {
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if (getAgeLimit() == NO_AGE_LIMIT) {
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throw new ParsingException("Could not get like count", e);
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}
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return -1;
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}
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}
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@Override
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public long getDislikeCount() throws ParsingException {
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assertPageFetched();
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String dislikesString = "";
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try {
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try {
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dislikesString = getVideoPrimaryInfoRenderer().getObject("sentimentBar")
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.getObject("sentimentBarRenderer").getString("tooltip").split("/")[1];
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} catch (final NullPointerException e) {
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// if this kicks in our button has no content and therefore ratings must be disabled
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if (playerResponse.getObject("videoDetails").getBoolean("allowRatings")) {
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throw new ParsingException("Ratings are enabled even though the dislike button is missing", e);
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}
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return -1;
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}
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return Integer.parseInt(Utils.removeNonDigitCharacters(dislikesString));
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} catch (final NumberFormatException nfe) {
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throw new ParsingException("Could not parse \"" + dislikesString + "\" as an Integer", nfe);
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} catch (final Exception e) {
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if (getAgeLimit() == NO_AGE_LIMIT) {
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throw new ParsingException("Could not get dislike count", e);
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}
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return -1;
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}
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}
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@Nonnull
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@Override
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public String getUploaderUrl() throws ParsingException {
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assertPageFetched();
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try {
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final String uploaderUrl = getUrlFromNavigationEndpoint(getVideoSecondaryInfoRenderer()
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.getObject("owner").getObject("videoOwnerRenderer").getObject("navigationEndpoint"));
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if (!isNullOrEmpty(uploaderUrl)) {
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return uploaderUrl;
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}
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} catch (final ParsingException ignored) {
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// age-restricted videos cause a ParsingException here
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}
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final String uploaderId = playerResponse.getObject("videoDetails").getString("channelId");
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if (!isNullOrEmpty(uploaderId)) {
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return YoutubeChannelLinkHandlerFactory.getInstance().getUrl("channel/" + uploaderId);
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}
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throw new ParsingException("Could not get uploader url");
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}
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@Nonnull
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@Override
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public String getUploaderName() throws ParsingException {
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assertPageFetched();
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String uploaderName = null;
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try {
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uploaderName = getTextFromObject(getVideoSecondaryInfoRenderer().getObject("owner")
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.getObject("videoOwnerRenderer").getObject("title"));
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} catch (final ParsingException ignored) {
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}
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if (isNullOrEmpty(uploaderName)) {
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uploaderName = playerResponse.getObject("videoDetails").getString("author");
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if (isNullOrEmpty(uploaderName)) throw new ParsingException("Could not get uploader name");
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}
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return uploaderName;
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}
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@Override
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public boolean isUploaderVerified() throws ParsingException {
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final JsonArray badges = getVideoSecondaryInfoRenderer().getObject("owner")
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.getObject("videoOwnerRenderer").getArray("badges");
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return YoutubeParsingHelper.isVerified(badges);
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}
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@Nonnull
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@Override
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public String getUploaderAvatarUrl() throws ParsingException {
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assertPageFetched();
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String url = null;
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try {
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url = getVideoSecondaryInfoRenderer().getObject("owner").getObject("videoOwnerRenderer")
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.getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
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} catch (final ParsingException ignored) {
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// age-restricted videos cause a ParsingException here
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}
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if (isNullOrEmpty(url)) {
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if (ageLimit == NO_AGE_LIMIT) {
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throw new ParsingException("Could not get uploader avatar URL");
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}
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return "";
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}
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return fixThumbnailUrl(url);
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}
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@Nonnull
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@Override
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public String getSubChannelUrl() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelName() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelAvatarUrl() {
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return "";
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}
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@Nonnull
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@Override
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public String getDashMpdUrl() throws ParsingException {
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assertPageFetched();
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try {
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String dashManifestUrl;
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if (playerResponse.getObject("streamingData").isString("dashManifestUrl")) {
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return playerResponse.getObject("streamingData").getString("dashManifestUrl");
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} else if (videoInfoPage.containsKey("dashmpd")) {
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dashManifestUrl = videoInfoPage.get("dashmpd");
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} else {
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return "";
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}
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if (!dashManifestUrl.contains("/signature/")) {
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String obfuscatedSig = Parser.matchGroup1("/s/([a-fA-F0-9\\.]+)", dashManifestUrl);
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final String deobfuscatedSig;
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deobfuscatedSig = deobfuscateSignature(obfuscatedSig);
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dashManifestUrl = dashManifestUrl.replace("/s/" + obfuscatedSig, "/signature/" + deobfuscatedSig);
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}
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return dashManifestUrl;
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} catch (final Exception e) {
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throw new ParsingException("Could not get dash manifest url", e);
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}
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}
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@Nonnull
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@Override
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public String getHlsUrl() throws ParsingException {
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assertPageFetched();
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try {
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return playerResponse.getObject("streamingData").getString("hlsManifestUrl");
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} catch (final Exception e) {
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throw new ParsingException("Could not get hls manifest url", e);
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}
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}
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@Override
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public List<AudioStream> getAudioStreams() throws ExtractionException {
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assertPageFetched();
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final List<AudioStream> audioStreams = new ArrayList<>();
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final YoutubeThrottlingDecrypter throttlingDecrypter = new YoutubeThrottlingDecrypter(getId());
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try {
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for (final Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.AUDIO).entrySet()) {
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final ItagItem itag = entry.getValue();
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String url = entry.getKey();
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url = throttlingDecrypter.apply(url);
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final AudioStream audioStream = new AudioStream(url, itag);
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if (!Stream.containSimilarStream(audioStream, audioStreams)) {
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audioStreams.add(audioStream);
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}
|
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}
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} catch (final Exception e) {
|
|
throw new ParsingException("Could not get audio streams", e);
|
|
}
|
|
|
|
return audioStreams;
|
|
}
|
|
|
|
@Override
|
|
public List<VideoStream> getVideoStreams() throws ExtractionException {
|
|
assertPageFetched();
|
|
final List<VideoStream> videoStreams = new ArrayList<>();
|
|
final YoutubeThrottlingDecrypter throttlingDecrypter = new YoutubeThrottlingDecrypter(getId());
|
|
|
|
try {
|
|
for (final Map.Entry<String, ItagItem> entry : getItags(FORMATS, ItagItem.ItagType.VIDEO).entrySet()) {
|
|
final ItagItem itag = entry.getValue();
|
|
String url = entry.getKey();
|
|
url = throttlingDecrypter.apply(url);
|
|
|
|
final VideoStream videoStream = new VideoStream(url, false, itag);
|
|
if (!Stream.containSimilarStream(videoStream, videoStreams)) {
|
|
videoStreams.add(videoStream);
|
|
}
|
|
}
|
|
} catch (final Exception e) {
|
|
throw new ParsingException("Could not get video streams", e);
|
|
}
|
|
|
|
return videoStreams;
|
|
}
|
|
|
|
@Override
|
|
public List<VideoStream> getVideoOnlyStreams() throws ExtractionException {
|
|
assertPageFetched();
|
|
final List<VideoStream> videoOnlyStreams = new ArrayList<>();
|
|
final YoutubeThrottlingDecrypter throttlingDecrypter = new YoutubeThrottlingDecrypter(getId());
|
|
|
|
try {
|
|
for (final Map.Entry<String, ItagItem> entry : getItags(ADAPTIVE_FORMATS, ItagItem.ItagType.VIDEO_ONLY).entrySet()) {
|
|
final ItagItem itag = entry.getValue();
|
|
String url = entry.getKey();
|
|
url = throttlingDecrypter.apply(url);
|
|
|
|
final VideoStream videoStream = new VideoStream(url, true, itag);
|
|
if (!Stream.containSimilarStream(videoStream, videoOnlyStreams)) {
|
|
videoOnlyStreams.add(videoStream);
|
|
}
|
|
}
|
|
} catch (final Exception e) {
|
|
throw new ParsingException("Could not get video only streams", e);
|
|
}
|
|
|
|
return videoOnlyStreams;
|
|
}
|
|
|
|
@Override
|
|
@Nonnull
|
|
public List<SubtitlesStream> getSubtitlesDefault() throws ParsingException {
|
|
return getSubtitles(MediaFormat.TTML);
|
|
}
|
|
|
|
@Override
|
|
@Nonnull
|
|
public List<SubtitlesStream> getSubtitles(final MediaFormat format) throws ParsingException {
|
|
assertPageFetched();
|
|
// if the video is age restricted getPlayerConfig will fail
|
|
if (getAgeLimit() != NO_AGE_LIMIT) {
|
|
return Collections.emptyList();
|
|
}
|
|
if (subtitles != null) {
|
|
// already calculated
|
|
return subtitles;
|
|
}
|
|
|
|
final JsonObject renderer = playerResponse.getObject("captions")
|
|
.getObject("playerCaptionsTracklistRenderer");
|
|
final JsonArray captionsArray = renderer.getArray("captionTracks");
|
|
// TODO: use this to apply auto translation to different language from a source language
|
|
// final JsonArray autoCaptionsArray = renderer.getArray("translationLanguages");
|
|
|
|
subtitles = new ArrayList<>();
|
|
for (int i = 0; i < captionsArray.size(); i++) {
|
|
final String languageCode = captionsArray.getObject(i).getString("languageCode");
|
|
final String baseUrl = captionsArray.getObject(i).getString("baseUrl");
|
|
final String vssId = captionsArray.getObject(i).getString("vssId");
|
|
|
|
if (languageCode != null && baseUrl != null && vssId != null) {
|
|
final boolean isAutoGenerated = vssId.startsWith("a.");
|
|
final String cleanUrl = baseUrl
|
|
.replaceAll("&fmt=[^&]*", "") // Remove preexisting format if exists
|
|
.replaceAll("&tlang=[^&]*", ""); // Remove translation language
|
|
|
|
subtitles.add(new SubtitlesStream(format, languageCode,
|
|
cleanUrl + "&fmt=" + format.getSuffix(), isAutoGenerated));
|
|
}
|
|
}
|
|
|
|
return subtitles;
|
|
}
|
|
|
|
@Override
|
|
public StreamType getStreamType() {
|
|
assertPageFetched();
|
|
return playerResponse.getObject("streamingData").has(FORMATS)
|
|
? StreamType.VIDEO_STREAM : StreamType.LIVE_STREAM;
|
|
}
|
|
|
|
@Nullable
|
|
private StreamInfoItemExtractor getNextStream() throws ExtractionException {
|
|
try {
|
|
final JsonObject firstWatchNextItem = initialData.getObject("contents")
|
|
.getObject("twoColumnWatchNextResults").getObject("secondaryResults")
|
|
.getObject("secondaryResults").getArray("results").getObject(0);
|
|
|
|
if (!firstWatchNextItem.has("compactAutoplayRenderer")) {
|
|
// there is no "next" stream
|
|
return null;
|
|
}
|
|
|
|
final JsonObject videoInfo = firstWatchNextItem.getObject("compactAutoplayRenderer")
|
|
.getArray("contents").getObject(0).getObject("compactVideoRenderer");
|
|
|
|
return new YoutubeStreamInfoItemExtractor(videoInfo, getTimeAgoParser());
|
|
} catch (final Exception e) {
|
|
throw new ParsingException("Could not get next video", e);
|
|
}
|
|
}
|
|
|
|
@Nullable
|
|
@Override
|
|
public StreamInfoItemsCollector getRelatedItems() throws ExtractionException {
|
|
assertPageFetched();
|
|
|
|
if (getAgeLimit() != NO_AGE_LIMIT) {
|
|
return null;
|
|
}
|
|
|
|
try {
|
|
final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
|
|
|
|
final StreamInfoItemExtractor nextStream = getNextStream();
|
|
if (nextStream != null) {
|
|
collector.commit(nextStream);
|
|
}
|
|
|
|
final JsonArray results = initialData.getObject("contents").getObject("twoColumnWatchNextResults")
|
|
.getObject("secondaryResults").getObject("secondaryResults").getArray("results");
|
|
|
|
final TimeAgoParser timeAgoParser = getTimeAgoParser();
|
|
|
|
for (final Object ul : results) {
|
|
if (((JsonObject) ul).has("compactVideoRenderer")) {
|
|
collector.commit(new YoutubeStreamInfoItemExtractor(((JsonObject) ul).getObject("compactVideoRenderer"), timeAgoParser));
|
|
}
|
|
}
|
|
return collector;
|
|
} catch (final Exception e) {
|
|
throw new ParsingException("Could not get related videos", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
public String getErrorMessage() {
|
|
try {
|
|
return getTextFromObject(initialAjaxJson.getObject(2).getObject("playerResponse")
|
|
.getObject("playabilityStatus").getObject("errorScreen")
|
|
.getObject("playerErrorMessageRenderer").getObject("reason"));
|
|
} catch (final ParsingException | NullPointerException e) {
|
|
return null; // no error message
|
|
}
|
|
}
|
|
|
|
/*//////////////////////////////////////////////////////////////////////////
|
|
// Fetch page
|
|
//////////////////////////////////////////////////////////////////////////*/
|
|
|
|
private static final String FORMATS = "formats";
|
|
private static final String ADAPTIVE_FORMATS = "adaptiveFormats";
|
|
private static final String HTTPS = "https:";
|
|
private static final String DEOBFUSCATION_FUNC_NAME = "deobfuscate";
|
|
|
|
private final static String[] REGEXES = {
|
|
"(?:\\b|[^a-zA-Z0-9$])([a-zA-Z0-9$]{2})\\s*=\\s*function\\(\\s*a\\s*\\)\\s*\\{\\s*a\\s*=\\s*a\\.split\\(\\s*\"\"\\s*\\)",
|
|
"([\\w$]+)\\s*=\\s*function\\((\\w+)\\)\\{\\s*\\2=\\s*\\2\\.split\\(\"\"\\)\\s*;",
|
|
"\\b([\\w$]{2})\\s*=\\s*function\\((\\w+)\\)\\{\\s*\\2=\\s*\\2\\.split\\(\"\"\\)\\s*;",
|
|
"yt\\.akamaized\\.net/\\)\\s*\\|\\|\\s*.*?\\s*c\\s*&&\\s*d\\.set\\([^,]+\\s*,\\s*(:encodeURIComponent\\s*\\()([a-zA-Z0-9$]+)\\(",
|
|
"\\bc\\s*&&\\s*d\\.set\\([^,]+\\s*,\\s*(:encodeURIComponent\\s*\\()([a-zA-Z0-9$]+)\\("
|
|
};
|
|
|
|
@Override
|
|
public void onFetchPage(@Nonnull final Downloader downloader)
|
|
throws IOException, ExtractionException {
|
|
initialAjaxJson = getJsonResponse(getUrl() + "&pbj=1", getExtractorLocalization());
|
|
|
|
initialData = initialAjaxJson.getObject(3).getObject("response", null);
|
|
if (initialData == null) {
|
|
initialData = initialAjaxJson.getObject(2).getObject("response", null);
|
|
if (initialData == null) {
|
|
throw new ParsingException("Could not get initial data");
|
|
}
|
|
}
|
|
|
|
playerResponse = initialAjaxJson.getObject(2).getObject("playerResponse", null);
|
|
// Save the playerResponse from the youtube.com website,
|
|
// because there can be restrictions on the embedded player.
|
|
// E.g. if a video is age-restricted, the embedded player's playabilityStatus says,
|
|
// that the video cannot be played outside of YouTube,
|
|
// but does not show the original message.
|
|
JsonObject youtubePlayerResponse = playerResponse;
|
|
|
|
if (playerResponse == null || !playerResponse.has("streamingData")) {
|
|
// try to get player response by fetching video info page
|
|
fetchVideoInfoPage();
|
|
}
|
|
|
|
if (playerResponse == null && youtubePlayerResponse == null) {
|
|
throw new ExtractionException("Could not get playerResponse");
|
|
} else if (youtubePlayerResponse == null) {
|
|
youtubePlayerResponse = playerResponse;
|
|
}
|
|
|
|
JsonObject playabilityStatus = (playerResponse == null ? youtubePlayerResponse : playerResponse)
|
|
.getObject("playabilityStatus");
|
|
String status = playabilityStatus.getString("status");
|
|
// If status exist, and is not "OK", throw the specific exception based on error message
|
|
// or a ContentNotAvailableException with the reason text if it's an unknown reason.
|
|
if (status != null && !status.equalsIgnoreCase("ok")) {
|
|
playabilityStatus = youtubePlayerResponse.getObject("playabilityStatus");
|
|
status = playabilityStatus.getString("status");
|
|
|
|
final String reason = playabilityStatus.getString("reason");
|
|
|
|
if (status.equalsIgnoreCase("login_required")) {
|
|
if (reason == null) {
|
|
final String message = playabilityStatus.getArray("messages").getString(0);
|
|
if (message != null && message.equals("This is a private video. Please sign in to verify that you may see it.")) {
|
|
throw new PrivateContentException("This video is private.");
|
|
}
|
|
} else if (reason.equals("Sign in to confirm your age")) {
|
|
// No streams can be fetched, therefore thrown an AgeRestrictedContentException explicitly.
|
|
throw new AgeRestrictedContentException("This age-restricted video cannot be watched.");
|
|
}
|
|
}
|
|
if (status.equalsIgnoreCase("unplayable")) {
|
|
if (reason != null) {
|
|
if (reason.equals("This video is only available to Music Premium members")) {
|
|
throw new YoutubeMusicPremiumContentException();
|
|
}
|
|
if (reason.equals("This video requires payment to watch.")) {
|
|
throw new PaidContentException("This video is a paid video");
|
|
}
|
|
if (reason.equals("Join this channel to get access to members-only content like this video, and other exclusive perks.") ||
|
|
reason.equals("Join this channel to get access to members-only content like this video and other exclusive perks.")) {
|
|
throw new PaidContentException("This video is only available for members of the channel of this video");
|
|
}
|
|
if (reason.equals("Video unavailable")) {
|
|
final String detailedErrorMessage = playabilityStatus.getObject("errorScreen")
|
|
.getObject("playerErrorMessageRenderer")
|
|
.getObject("subreason")
|
|
.getArray("runs")
|
|
.getObject(0)
|
|
.getString("text");
|
|
if (detailedErrorMessage != null) {
|
|
if (detailedErrorMessage.equals("The uploader has not made this video available in your country.")) {
|
|
throw new GeographicRestrictionException("This video is not available in user's country.");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
throw new ContentNotAvailableException("Got error: \"" + reason + "\"");
|
|
}
|
|
}
|
|
|
|
private void fetchVideoInfoPage() throws ParsingException, ReCaptchaException, IOException {
|
|
final String videoInfoUrl = getVideoInfoUrl(getId());
|
|
final Response videoInfoResponse = NewPipe.getDownloader().get(videoInfoUrl, getExtractorLocalization());
|
|
videoInfoPage.putAll(Parser.compatParseMap(videoInfoResponse.responseBody()));
|
|
|
|
try {
|
|
playerResponse = JsonParser.object().from(videoInfoPage.get("player_response"));
|
|
} catch (final JsonParserException e) {
|
|
throw new ParsingException(
|
|
"Could not parse YouTube player response from video info page", e);
|
|
}
|
|
}
|
|
|
|
private String getDeobfuscationFuncName(final String playerCode) throws DeobfuscateException {
|
|
Parser.RegexException exception = null;
|
|
for (final String regex : REGEXES) {
|
|
try {
|
|
return Parser.matchGroup1(regex, playerCode);
|
|
} catch (final Parser.RegexException re) {
|
|
if (exception == null) {
|
|
exception = re;
|
|
}
|
|
}
|
|
}
|
|
throw new DeobfuscateException("Could not find deobfuscate function with any of the given patterns.", exception);
|
|
}
|
|
|
|
private String loadDeobfuscationCode()
|
|
throws DeobfuscateException {
|
|
try {
|
|
final String playerCode = YoutubeJavaScriptExtractor.extractJavaScriptCode(getId());
|
|
final String deobfuscationFunctionName = getDeobfuscationFuncName(playerCode);
|
|
|
|
final String functionPattern = "("
|
|
+ deobfuscationFunctionName.replace("$", "\\$")
|
|
+ "=function\\([a-zA-Z0-9_]+\\)\\{.+?\\})";
|
|
final String deobfuscateFunction = "var " + Parser.matchGroup1(functionPattern, playerCode) + ";";
|
|
|
|
final String helperObjectName =
|
|
Parser.matchGroup1(";([A-Za-z0-9_\\$]{2})\\...\\(", deobfuscateFunction);
|
|
final String helperPattern =
|
|
"(var " + helperObjectName.replace("$", "\\$") + "=\\{.+?\\}\\};)";
|
|
final String helperObject =
|
|
Parser.matchGroup1(helperPattern, playerCode.replace("\n", ""));
|
|
|
|
final String callerFunction =
|
|
"function " + DEOBFUSCATION_FUNC_NAME + "(a){return " + deobfuscationFunctionName + "(a);}";
|
|
|
|
return helperObject + deobfuscateFunction + callerFunction;
|
|
} catch (final Exception e) {
|
|
throw new DeobfuscateException("Could not parse deobfuscate function ", e);
|
|
}
|
|
}
|
|
|
|
@Nonnull
|
|
private String getDeobfuscationCode() throws ParsingException {
|
|
if (cachedDeobfuscationCode == null) {
|
|
cachedDeobfuscationCode = loadDeobfuscationCode();
|
|
}
|
|
return cachedDeobfuscationCode;
|
|
}
|
|
|
|
private String deobfuscateSignature(final String obfuscatedSig) throws ParsingException {
|
|
final String deobfuscationCode = getDeobfuscationCode();
|
|
|
|
final Context context = Context.enter();
|
|
context.setOptimizationLevel(-1);
|
|
final Object result;
|
|
try {
|
|
final ScriptableObject scope = context.initSafeStandardObjects();
|
|
context.evaluateString(scope, deobfuscationCode, "deobfuscationCode", 1, null);
|
|
final Function deobfuscateFunc = (Function) scope.get(DEOBFUSCATION_FUNC_NAME, scope);
|
|
result = deobfuscateFunc.call(context, scope, scope, new Object[]{obfuscatedSig});
|
|
} catch (final Exception e) {
|
|
throw new DeobfuscateException("Could not get deobfuscate signature", e);
|
|
} finally {
|
|
Context.exit();
|
|
}
|
|
return Objects.toString(result, "");
|
|
}
|
|
|
|
/*//////////////////////////////////////////////////////////////////////////
|
|
// Utils
|
|
//////////////////////////////////////////////////////////////////////////*/
|
|
|
|
private JsonObject getVideoPrimaryInfoRenderer() throws ParsingException {
|
|
if (this.videoPrimaryInfoRenderer != null) return this.videoPrimaryInfoRenderer;
|
|
|
|
JsonArray contents = initialData.getObject("contents").getObject("twoColumnWatchNextResults")
|
|
.getObject("results").getObject("results").getArray("contents");
|
|
JsonObject videoPrimaryInfoRenderer = null;
|
|
|
|
for (final Object content : contents) {
|
|
if (((JsonObject) content).has("videoPrimaryInfoRenderer")) {
|
|
videoPrimaryInfoRenderer = ((JsonObject) content).getObject("videoPrimaryInfoRenderer");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isNullOrEmpty(videoPrimaryInfoRenderer)) {
|
|
throw new ParsingException("Could not find videoPrimaryInfoRenderer");
|
|
}
|
|
|
|
this.videoPrimaryInfoRenderer = videoPrimaryInfoRenderer;
|
|
return videoPrimaryInfoRenderer;
|
|
}
|
|
|
|
private JsonObject getVideoSecondaryInfoRenderer() throws ParsingException {
|
|
if (this.videoSecondaryInfoRenderer != null) return this.videoSecondaryInfoRenderer;
|
|
|
|
JsonArray contents = initialData.getObject("contents").getObject("twoColumnWatchNextResults")
|
|
.getObject("results").getObject("results").getArray("contents");
|
|
JsonObject videoSecondaryInfoRenderer = null;
|
|
|
|
for (final Object content : contents) {
|
|
if (((JsonObject) content).has("videoSecondaryInfoRenderer")) {
|
|
videoSecondaryInfoRenderer = ((JsonObject) content).getObject("videoSecondaryInfoRenderer");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isNullOrEmpty(videoSecondaryInfoRenderer)) {
|
|
throw new ParsingException("Could not find videoSecondaryInfoRenderer");
|
|
}
|
|
|
|
this.videoSecondaryInfoRenderer = videoSecondaryInfoRenderer;
|
|
return videoSecondaryInfoRenderer;
|
|
}
|
|
|
|
@Nonnull
|
|
private static String getVideoInfoUrl(final String id) {
|
|
// TODO: Try parsing embedded_player_response first
|
|
return "https://www.youtube.com/get_video_info?video_id=" + id +
|
|
"&eurl=https://youtube.googleapis.com/v/" + id +
|
|
"&html5=1&c=TVHTML5&cver=6.20180913&gl=US&hl=en";
|
|
}
|
|
|
|
private Map<String, ItagItem> getItags(final String streamingDataKey,
|
|
final ItagItem.ItagType itagTypeWanted)
|
|
throws ParsingException {
|
|
final Map<String, ItagItem> urlAndItags = new LinkedHashMap<>();
|
|
final JsonObject streamingData = playerResponse.getObject("streamingData");
|
|
if (!streamingData.has(streamingDataKey)) {
|
|
return urlAndItags;
|
|
}
|
|
|
|
final JsonArray formats = streamingData.getArray(streamingDataKey);
|
|
for (int i = 0; i != formats.size(); ++i) {
|
|
JsonObject formatData = formats.getObject(i);
|
|
int itag = formatData.getInt("itag");
|
|
|
|
if (ItagItem.isSupported(itag)) {
|
|
try {
|
|
ItagItem itagItem = ItagItem.getItag(itag);
|
|
if (itagItem.itagType == itagTypeWanted) {
|
|
// Ignore streams that are delivered using YouTube's OTF format,
|
|
// as those only work with DASH and not with progressive HTTP.
|
|
if (formatData.getString("type", EMPTY_STRING)
|
|
.equalsIgnoreCase("FORMAT_STREAM_TYPE_OTF")) {
|
|
continue;
|
|
}
|
|
|
|
String streamUrl;
|
|
if (formatData.has("url")) {
|
|
streamUrl = formatData.getString("url");
|
|
} else {
|
|
// this url has an obfuscated signature
|
|
final String cipherString = formatData.has("cipher")
|
|
? formatData.getString("cipher")
|
|
: formatData.getString("signatureCipher");
|
|
final Map<String, String> cipher = Parser.compatParseMap(cipherString);
|
|
streamUrl = cipher.get("url") + "&" + cipher.get("sp") + "="
|
|
+ deobfuscateSignature(cipher.get("s"));
|
|
}
|
|
|
|
JsonObject initRange = formatData.getObject("initRange");
|
|
JsonObject indexRange = formatData.getObject("indexRange");
|
|
String mimeType = formatData.getString("mimeType", EMPTY_STRING);
|
|
String codec = mimeType.contains("codecs") ? mimeType.split("\"")[1] : EMPTY_STRING;
|
|
|
|
itagItem.setBitrate(formatData.getInt("bitrate"));
|
|
itagItem.setWidth(formatData.getInt("width"));
|
|
itagItem.setHeight(formatData.getInt("height"));
|
|
itagItem.setInitStart(Integer.parseInt(initRange.getString("start", "-1")));
|
|
itagItem.setInitEnd(Integer.parseInt(initRange.getString("end", "-1")));
|
|
itagItem.setIndexStart(Integer.parseInt(indexRange.getString("start", "-1")));
|
|
itagItem.setIndexEnd(Integer.parseInt(indexRange.getString("end", "-1")));
|
|
itagItem.fps = formatData.getInt("fps");
|
|
itagItem.setQuality(formatData.getString("quality"));
|
|
itagItem.setCodec(codec);
|
|
|
|
urlAndItags.put(streamUrl, itagItem);
|
|
}
|
|
} catch (final UnsupportedEncodingException ignored) {
|
|
}
|
|
}
|
|
}
|
|
|
|
return urlAndItags;
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public List<Frameset> getFrames() throws ExtractionException {
|
|
try {
|
|
final JsonObject storyboards = playerResponse.getObject("storyboards");
|
|
final JsonObject storyboardsRenderer;
|
|
if (storyboards.has("playerLiveStoryboardSpecRenderer")) {
|
|
storyboardsRenderer = storyboards.getObject("playerLiveStoryboardSpecRenderer");
|
|
} else {
|
|
storyboardsRenderer = storyboards.getObject("playerStoryboardSpecRenderer");
|
|
}
|
|
|
|
if (storyboardsRenderer == null) {
|
|
return Collections.emptyList();
|
|
}
|
|
|
|
final String storyboardsRendererSpec = storyboardsRenderer.getString("spec");
|
|
if (storyboardsRendererSpec == null) {
|
|
return Collections.emptyList();
|
|
}
|
|
|
|
final String[] spec = storyboardsRendererSpec.split("\\|");
|
|
final String url = spec[0];
|
|
final ArrayList<Frameset> result = new ArrayList<>(spec.length - 1);
|
|
|
|
for (int i = 1; i < spec.length; ++i) {
|
|
final String[] parts = spec[i].split("#");
|
|
if (parts.length != 8 || Integer.parseInt(parts[5]) == 0) {
|
|
continue;
|
|
}
|
|
final int frameWidth = Integer.parseInt(parts[0]);
|
|
final int frameHeight = Integer.parseInt(parts[1]);
|
|
final int totalCount = Integer.parseInt(parts[2]);
|
|
final int framesPerPageX = Integer.parseInt(parts[3]);
|
|
final int framesPerPageY = Integer.parseInt(parts[4]);
|
|
final String baseUrl = url.replace("$L", String.valueOf(i - 1)).replace("$N", parts[6]) + "&sigh=" + parts[7];
|
|
final List<String> urls;
|
|
if (baseUrl.contains("$M")) {
|
|
final int totalPages = (int) Math.ceil(totalCount / (double) (framesPerPageX * framesPerPageY));
|
|
urls = new ArrayList<>(totalPages);
|
|
for (int j = 0; j < totalPages; j++) {
|
|
urls.add(baseUrl.replace("$M", String.valueOf(j)));
|
|
}
|
|
} else {
|
|
urls = Collections.singletonList(baseUrl);
|
|
}
|
|
result.add(new Frameset(
|
|
urls,
|
|
frameWidth,
|
|
frameHeight,
|
|
totalCount,
|
|
Integer.parseInt(parts[5]),
|
|
framesPerPageX,
|
|
framesPerPageY
|
|
));
|
|
}
|
|
result.trimToSize();
|
|
return result;
|
|
} catch (final Exception e) {
|
|
throw new ExtractionException(e);
|
|
}
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getHost() {
|
|
return "";
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public Privacy getPrivacy() {
|
|
final boolean isUnlisted = playerResponse
|
|
.getObject("microformat")
|
|
.getObject("playerMicroformatRenderer")
|
|
.getBoolean("isUnlisted");
|
|
return isUnlisted ? Privacy.UNLISTED : Privacy.PUBLIC;
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getCategory() {
|
|
return playerResponse.getObject("microformat")
|
|
.getObject("playerMicroformatRenderer")
|
|
.getString("category", EMPTY_STRING);
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getLicence() throws ParsingException {
|
|
final JsonObject metadataRowRenderer = getVideoSecondaryInfoRenderer()
|
|
.getObject("metadataRowContainer").getObject("metadataRowContainerRenderer").getArray("rows")
|
|
.getObject(0).getObject("metadataRowRenderer");
|
|
|
|
final JsonArray contents = metadataRowRenderer.getArray("contents");
|
|
final String license = getTextFromObject(contents.getObject(0));
|
|
return license != null && "Licence".equals(getTextFromObject(metadataRowRenderer.getObject("title"))) ? license : "YouTube licence";
|
|
}
|
|
|
|
@Override
|
|
public Locale getLanguageInfo() {
|
|
return null;
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public List<String> getTags() {
|
|
return JsonUtils.getStringListFromJsonArray(playerResponse.getObject("videoDetails").getArray("keywords"));
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getSupportInfo() {
|
|
return "";
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public List<StreamSegment> getStreamSegments() throws ParsingException {
|
|
final ArrayList<StreamSegment> segments = new ArrayList<>();
|
|
if (initialData.has("engagementPanels")) {
|
|
final JsonArray panels = initialData.getArray("engagementPanels");
|
|
JsonArray segmentsArray = null;
|
|
|
|
// Search for correct panel containing the data
|
|
for (int i = 0; i < panels.size(); i++) {
|
|
final String panelIdentifier = panels.getObject(i).getObject("engagementPanelSectionListRenderer")
|
|
.getString("panelIdentifier");
|
|
if (panelIdentifier.equals("engagement-panel-macro-markers-description-chapters")
|
|
|| panelIdentifier.equals("engagement-panel-macro-markers")) {
|
|
segmentsArray = panels.getObject(i).getObject("engagementPanelSectionListRenderer")
|
|
.getObject("content").getObject("macroMarkersListRenderer").getArray("contents");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (segmentsArray != null) {
|
|
final long duration = getLength();
|
|
for (final Object object : segmentsArray) {
|
|
final JsonObject segmentJson = ((JsonObject) object).getObject("macroMarkersListItemRenderer");
|
|
|
|
final int startTimeSeconds = segmentJson.getObject("onTap").getObject("watchEndpoint")
|
|
.getInt("startTimeSeconds", -1);
|
|
|
|
if (startTimeSeconds == -1) {
|
|
throw new ParsingException("Could not get stream segment start time.");
|
|
}
|
|
if (startTimeSeconds > duration) {
|
|
break;
|
|
}
|
|
|
|
final String title = getTextFromObject(segmentJson.getObject("title"));
|
|
if (isNullOrEmpty(title)) {
|
|
throw new ParsingException("Could not get stream segment title.");
|
|
}
|
|
|
|
final StreamSegment segment = new StreamSegment(title, startTimeSeconds);
|
|
segment.setUrl(getUrl() + "?t=" + startTimeSeconds);
|
|
if (segmentJson.has("thumbnail")) {
|
|
final JsonArray previewsArray = segmentJson.getObject("thumbnail").getArray("thumbnails");
|
|
if (!previewsArray.isEmpty()) {
|
|
// Assume that the thumbnail with the highest resolution is at the last position
|
|
final String url = previewsArray.getObject(previewsArray.size() - 1).getString("url");
|
|
segment.setPreviewUrl(fixThumbnailUrl(url));
|
|
}
|
|
}
|
|
segments.add(segment);
|
|
}
|
|
}
|
|
}
|
|
return segments;
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public List<MetaInfo> getMetaInfo() throws ParsingException {
|
|
return YoutubeParsingHelper.getMetaInfo(
|
|
initialData.getObject("contents").getObject("twoColumnWatchNextResults")
|
|
.getObject("results").getObject("results").getArray("contents"));
|
|
}
|
|
}
|