Piped-Backend/src/main/java/me/kavin/piped/utils/ResponseHelper.java
2021-11-04 17:45:39 +00:00

1148 lines
48 KiB
Java

package me.kavin.piped.utils;
import static me.kavin.piped.consts.Constants.YOUTUBE_SERVICE;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpRequest.Builder;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.nio.charset.StandardCharsets;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.hibernate.Session;
import org.json.JSONObject;
import org.schabi.newpipe.extractor.InfoItem;
import org.schabi.newpipe.extractor.ListExtractor.InfoItemsPage;
import org.schabi.newpipe.extractor.Page;
import org.schabi.newpipe.extractor.channel.ChannelInfo;
import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
import org.schabi.newpipe.extractor.comments.CommentsInfo;
import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.kiosk.KioskExtractor;
import org.schabi.newpipe.extractor.kiosk.KioskInfo;
import org.schabi.newpipe.extractor.kiosk.KioskList;
import org.schabi.newpipe.extractor.localization.ContentCountry;
import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
import org.schabi.newpipe.extractor.search.SearchInfo;
import org.schabi.newpipe.extractor.stream.StreamInfo;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.extractor.stream.StreamType;
import org.springframework.security.crypto.argon2.Argon2PasswordEncoder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import com.rometools.rome.feed.synd.SyndEntry;
import com.rometools.rome.feed.synd.SyndEntryImpl;
import com.rometools.rome.feed.synd.SyndFeed;
import com.rometools.rome.feed.synd.SyndFeedImpl;
import com.rometools.rome.feed.synd.SyndPerson;
import com.rometools.rome.feed.synd.SyndPersonImpl;
import com.rometools.rome.io.FeedException;
import com.rometools.rome.io.SyndFeedOutput;
import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import me.kavin.piped.consts.Constants;
import me.kavin.piped.ipfs.IPFS;
import me.kavin.piped.utils.obj.Channel;
import me.kavin.piped.utils.obj.ChapterSegment;
import me.kavin.piped.utils.obj.Comment;
import me.kavin.piped.utils.obj.CommentsPage;
import me.kavin.piped.utils.obj.FeedItem;
import me.kavin.piped.utils.obj.PipedStream;
import me.kavin.piped.utils.obj.Playlist;
import me.kavin.piped.utils.obj.SearchResults;
import me.kavin.piped.utils.obj.StreamItem;
import me.kavin.piped.utils.obj.Streams;
import me.kavin.piped.utils.obj.StreamsPage;
import me.kavin.piped.utils.obj.SubscriptionChannel;
import me.kavin.piped.utils.obj.Subtitle;
import me.kavin.piped.utils.obj.db.PubSub;
import me.kavin.piped.utils.obj.db.User;
import me.kavin.piped.utils.obj.db.Video;
import me.kavin.piped.utils.obj.search.SearchChannel;
import me.kavin.piped.utils.obj.search.SearchPlaylist;
import me.kavin.piped.utils.resp.AcceptedResponse;
import me.kavin.piped.utils.resp.AlreadyRegisteredResponse;
import me.kavin.piped.utils.resp.AuthenticationFailureResponse;
import me.kavin.piped.utils.resp.CompromisedPasswordResponse;
import me.kavin.piped.utils.resp.IncorrectCredentialsResponse;
import me.kavin.piped.utils.resp.InvalidRequestResponse;
import me.kavin.piped.utils.resp.LoginResponse;
import me.kavin.piped.utils.resp.SubscribeStatusResponse;
public class ResponseHelper {
public static final LoadingCache<String, CommentsInfo> commentsCache = Caffeine.newBuilder()
.expireAfterWrite(1, TimeUnit.HOURS).maximumSize(1000)
.build(key -> CommentsInfo.getInfo("https://www.youtube.com/watch?v=" + key));
public static final byte[] streamsResponse(String videoId) throws Exception {
CompletableFuture<StreamInfo> futureStream = CompletableFuture.supplyAsync(() -> {
try {
return StreamInfo.getInfo("https://www.youtube.com/watch?v=" + videoId);
} catch (Exception e) {
ExceptionUtils.rethrow(e);
}
return null;
});
CompletableFuture<String> futureLbryId = CompletableFuture.supplyAsync(() -> {
try {
return getLBRYId(videoId);
} catch (Exception e) {
ExceptionHandler.handle(e);
}
return null;
});
CompletableFuture<String> futureLBRY = CompletableFuture.supplyAsync(() -> {
try {
return getLBRYStreamURL(futureLbryId);
} catch (Exception e) {
ExceptionHandler.handle(e);
}
return null;
});
final List<Subtitle> subtitles = new ObjectArrayList<>();
final StreamInfo info = futureStream.get();
// System.out.println(Constants.mapper.writeValueAsString(info.getStreamSegments()));
info.getSubtitles()
.forEach(subtitle -> subtitles.add(new Subtitle(rewriteURL(subtitle.getUrl()),
subtitle.getFormat().getMimeType(), subtitle.getDisplayLanguageName(),
subtitle.getLanguageTag(), subtitle.isAutoGenerated())));
final List<PipedStream> videoStreams = new ObjectArrayList<>();
final List<PipedStream> audioStreams = new ObjectArrayList<>();
String lbryURL = null;
try {
lbryURL = futureLBRY.get(3, TimeUnit.SECONDS);
} catch (Exception e) {
// ignored
}
if (lbryURL != null)
videoStreams.add(new PipedStream(lbryURL, "MP4", "LBRY", "video/mp4", false));
boolean livestream = info.getStreamType() == StreamType.LIVE_STREAM;
if (!livestream) {
info.getVideoOnlyStreams().forEach(stream -> videoStreams.add(new PipedStream(rewriteURL(stream.getUrl()),
String.valueOf(stream.getFormat()), stream.getResolution(), stream.getFormat().getMimeType(), true,
stream.getBitrate(), stream.getInitStart(), stream.getInitEnd(), stream.getIndexStart(),
stream.getIndexEnd(), stream.getCodec(), stream.getWidth(), stream.getHeight(), 30)));
info.getVideoStreams()
.forEach(stream -> videoStreams
.add(new PipedStream(rewriteURL(stream.getUrl()), String.valueOf(stream.getFormat()),
stream.getResolution(), stream.getFormat().getMimeType(), false)));
info.getAudioStreams()
.forEach(stream -> audioStreams.add(new PipedStream(rewriteURL(stream.getUrl()),
String.valueOf(stream.getFormat()), stream.getAverageBitrate() + " kbps",
stream.getFormat().getMimeType(), false, stream.getBitrate(), stream.getInitStart(),
stream.getInitEnd(), stream.getIndexStart(), stream.getIndexEnd(), stream.getCodec())));
}
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
info.getRelatedItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
List<ChapterSegment> segments = new ObjectArrayList<>();
info.getStreamSegments().forEach(
segment -> segments.add(new ChapterSegment(segment.getTitle(), segment.getStartTimeSeconds())));
long time = info.getUploadDate() != null ? info.getUploadDate().offsetDateTime().toInstant().toEpochMilli()
: System.currentTimeMillis();
if (info.getUploadDate() != null && System.currentTimeMillis() - time < TimeUnit.DAYS.toMillis(10))
updateViews(info.getId(), info.getViewCount(), time, false);
final Streams streams = new Streams(info.getName(), info.getDescription().getContent(),
info.getTextualUploadDate(), info.getUploaderName(), substringYouTube(info.getUploaderUrl()),
rewriteURL(info.getUploaderAvatarUrl()), rewriteURL(info.getThumbnailUrl()), info.getDuration(),
info.getViewCount(), info.getLikeCount(), info.getDislikeCount(), info.isUploaderVerified(),
audioStreams, videoStreams, relatedStreams, subtitles, livestream, rewriteURL(info.getHlsUrl()),
rewriteURL(info.getDashMpdUrl()), futureLbryId.get());
return Constants.mapper.writeValueAsBytes(streams);
}
public static final byte[] channelResponse(String channelPath) throws Exception {
final ChannelInfo info = ChannelInfo.getInfo("https://youtube.com/" + channelPath);
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
info.getRelatedItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
Multithreading.runAsync(() -> {
Session s = DatabaseSessionFactory.createSession();
me.kavin.piped.utils.obj.db.Channel channel = DatabaseHelper.getChannelFromId(s, info.getId());
if (channel != null) {
if (channel.isVerified() != info.isVerified()
|| !channel.getUploaderAvatar().equals(info.getAvatarUrl())) {
channel.setVerified(info.isVerified());
channel.setUploaderAvatar(info.getAvatarUrl());
if (!s.getTransaction().isActive())
s.getTransaction().begin();
s.update(channel);
s.getTransaction().commit();
}
for (StreamInfoItem item : info.getRelatedItems()) {
long time = item.getUploadDate() != null
? item.getUploadDate().offsetDateTime().toInstant().toEpochMilli()
: System.currentTimeMillis();
if (System.currentTimeMillis() - time < TimeUnit.DAYS.toMillis(10))
updateViews(item.getUrl().substring("https://www.youtube.com/watch?v=".length()),
item.getViewCount(), time, true);
}
}
s.close();
});
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
final Channel channel = new Channel(info.getId(), info.getName(), rewriteURL(info.getAvatarUrl()),
rewriteURL(info.getBannerUrl()), info.getDescription(), info.getSubscriberCount(), info.isVerified(),
nextpage, relatedStreams);
IPFS.publishData(channel);
return Constants.mapper.writeValueAsBytes(channel);
}
public static final byte[] channelPageResponse(String channelId, String prevpageStr)
throws IOException, ExtractionException, InterruptedException {
Page prevpage = Constants.mapper.readValue(prevpageStr, Page.class);
InfoItemsPage<StreamInfoItem> info = ChannelInfo.getMoreItems(YOUTUBE_SERVICE,
"https://youtube.com/channel/" + channelId, prevpage);
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
info.getItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
final StreamsPage streamspage = new StreamsPage(nextpage, relatedStreams);
return Constants.mapper.writeValueAsBytes(streamspage);
}
public static final byte[] trendingResponse(String region)
throws ParsingException, ExtractionException, IOException {
if (region == null)
return Constants.mapper.writeValueAsBytes(new InvalidRequestResponse());
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
KioskList kioskList = YOUTUBE_SERVICE.getKioskList();
kioskList.forceContentCountry(new ContentCountry(region));
KioskExtractor<?> extractor = kioskList.getDefaultKioskExtractor();
extractor.fetchPage();
KioskInfo info = KioskInfo.getInfo(extractor);
info.getRelatedItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
return Constants.mapper.writeValueAsBytes(relatedStreams);
}
public static final byte[] playlistResponse(String playlistId)
throws IOException, ExtractionException, InterruptedException {
final PlaylistInfo info = PlaylistInfo.getInfo("https://www.youtube.com/playlist?list=" + playlistId);
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
info.getRelatedItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
final Playlist playlist = new Playlist(info.getName(), rewriteURL(info.getThumbnailUrl()),
rewriteURL(info.getBannerUrl()), nextpage,
info.getUploaderName().isEmpty() ? null : info.getUploaderName(),
substringYouTube(info.getUploaderUrl()), rewriteURL(info.getUploaderAvatarUrl()),
(int) info.getStreamCount(), relatedStreams);
return Constants.mapper.writeValueAsBytes(playlist);
}
public static final byte[] playlistPageResponse(String playlistId, String prevpageStr)
throws IOException, ExtractionException, InterruptedException {
Page prevpage = Constants.mapper.readValue(prevpageStr, Page.class);
InfoItemsPage<StreamInfoItem> info = PlaylistInfo.getMoreItems(YOUTUBE_SERVICE,
"https://www.youtube.com/playlist?list=" + playlistId, prevpage);
final List<StreamItem> relatedStreams = new ObjectArrayList<>();
info.getItems().forEach(o -> relatedStreams.add(collectRelatedStream(o)));
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
final StreamsPage streamspage = new StreamsPage(nextpage, relatedStreams);
return Constants.mapper.writeValueAsBytes(streamspage);
}
public static final byte[] playlistRSSResponse(String playlistId)
throws IOException, ExtractionException, InterruptedException, FeedException {
final PlaylistInfo info = PlaylistInfo.getInfo("https://www.youtube.com/playlist?list=" + playlistId);
final List<SyndEntry> entries = new ObjectArrayList<>();
SyndFeed feed = new SyndFeedImpl();
feed.setFeedType("rss_2.0");
feed.setTitle(info.getName());
feed.setAuthor(info.getUploaderName());
feed.setLink(info.getUrl());
feed.setDescription(String.format("%s - Piped", info.getName()));
info.getRelatedItems().forEach(o -> {
StreamInfoItem item = o;
SyndEntry entry = new SyndEntryImpl();
entry.setAuthor(item.getUploaderName());
entry.setUri(item.getUrl());
entry.setTitle(item.getName());
entries.add(entry);
});
feed.setEntries(entries);
return new SyndFeedOutput().outputString(feed).getBytes(StandardCharsets.UTF_8);
}
public static final byte[] suggestionsResponse(String query)
throws JsonProcessingException, IOException, ExtractionException {
return Constants.mapper.writeValueAsBytes(YOUTUBE_SERVICE.getSuggestionExtractor().suggestionList(query));
}
public static final byte[] opensearchSuggestionsResponse(String query)
throws JsonProcessingException, IOException, ExtractionException {
return Constants.mapper.writeValueAsBytes(
Arrays.asList(query, YOUTUBE_SERVICE.getSuggestionExtractor().suggestionList(query)));
}
public static final byte[] searchResponse(String q, String filter)
throws IOException, ExtractionException, InterruptedException {
final SearchInfo info = SearchInfo.getInfo(YOUTUBE_SERVICE,
YOUTUBE_SERVICE.getSearchQHFactory().fromQuery(q, Collections.singletonList(filter), null));
ObjectArrayList<Object> items = new ObjectArrayList<>();
info.getRelatedItems().forEach(item -> {
switch (item.getInfoType()) {
case STREAM:
items.add(collectRelatedStream(item));
break;
case CHANNEL:
ChannelInfoItem channel = (ChannelInfoItem) item;
items.add(new SearchChannel(item.getName(), rewriteURL(item.getThumbnailUrl()),
substringYouTube(item.getUrl()), channel.getDescription(), channel.getSubscriberCount(),
channel.getStreamCount(), channel.isVerified()));
break;
case PLAYLIST:
PlaylistInfoItem playlist = (PlaylistInfoItem) item;
items.add(new SearchPlaylist(item.getName(), rewriteURL(item.getThumbnailUrl()),
substringYouTube(item.getUrl()), playlist.getUploaderName(), playlist.getStreamCount()));
break;
default:
break;
}
});
Page nextpage = info.getNextPage();
return Constants.mapper.writeValueAsBytes(new SearchResults(items,
Constants.mapper.writeValueAsString(nextpage), info.getSearchSuggestion(), info.isCorrectedSearch()));
}
public static final byte[] searchPageResponse(String q, String filter, String prevpageStr)
throws IOException, ExtractionException, InterruptedException {
Page prevpage = Constants.mapper.readValue(prevpageStr, Page.class);
InfoItemsPage<InfoItem> pages = SearchInfo.getMoreItems(YOUTUBE_SERVICE,
YOUTUBE_SERVICE.getSearchQHFactory().fromQuery(q, Collections.singletonList(filter), null), prevpage);
ObjectArrayList<Object> items = new ObjectArrayList<>();
pages.getItems().forEach(item -> {
switch (item.getInfoType()) {
case STREAM:
items.add(collectRelatedStream(item));
break;
case CHANNEL:
ChannelInfoItem channel = (ChannelInfoItem) item;
items.add(new SearchChannel(item.getName(), rewriteURL(item.getThumbnailUrl()),
substringYouTube(item.getUrl()), channel.getDescription(), channel.getSubscriberCount(),
channel.getStreamCount(), channel.isVerified()));
break;
case PLAYLIST:
PlaylistInfoItem playlist = (PlaylistInfoItem) item;
items.add(new SearchPlaylist(item.getName(), rewriteURL(item.getThumbnailUrl()),
substringYouTube(item.getUrl()), playlist.getUploaderName(), playlist.getStreamCount()));
break;
default:
break;
}
});
Page nextpage = pages.getNextPage();
return Constants.mapper
.writeValueAsBytes(new SearchResults(items, Constants.mapper.writeValueAsString(nextpage)));
}
public static final byte[] commentsResponse(String videoId) throws Exception {
CommentsInfo info = commentsCache.get(videoId);
List<Comment> comments = new ObjectArrayList<>();
info.getRelatedItems().forEach(comment -> {
try {
String repliespage = null;
if (comment.getReplies() != null)
repliespage = Constants.mapper.writeValueAsString(comment.getReplies());
comments.add(new Comment(comment.getUploaderName(), rewriteURL(comment.getUploaderAvatarUrl()),
comment.getCommentId(), comment.getCommentText(), comment.getTextualUploadDate(),
substringYouTube(comment.getUploaderUrl()), repliespage, comment.getLikeCount(),
comment.isHeartedByUploader(), comment.isPinned(), comment.isUploaderVerified()));
} catch (JsonProcessingException e) {
ExceptionHandler.handle(e);
}
});
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
CommentsPage commentsItem = new CommentsPage(comments, nextpage, info.isCommentsDisabled());
return Constants.mapper.writeValueAsBytes(commentsItem);
}
public static final byte[] commentsPageResponse(String videoId, String prevpageStr) throws Exception {
Page prevpage = Constants.mapper.readValue(prevpageStr, Page.class);
CommentsInfo init = commentsCache.get(videoId);
InfoItemsPage<CommentsInfoItem> info = CommentsInfo.getMoreItems(init, prevpage);
List<Comment> comments = new ObjectArrayList<>();
info.getItems().forEach(comment -> {
try {
String repliespage = null;
if (comment.getReplies() != null)
repliespage = Constants.mapper.writeValueAsString(comment.getReplies());
comments.add(new Comment(comment.getUploaderName(), rewriteURL(comment.getUploaderAvatarUrl()),
comment.getCommentId(), comment.getCommentText(), comment.getTextualUploadDate(),
substringYouTube(comment.getUploaderUrl()), repliespage, comment.getLikeCount(),
comment.isHeartedByUploader(), comment.isPinned(), comment.isUploaderVerified()));
} catch (JsonProcessingException e) {
ExceptionHandler.handle(e);
}
});
String nextpage = null;
if (info.hasNextPage()) {
Page page = info.getNextPage();
nextpage = Constants.mapper.writeValueAsString(page);
}
CommentsPage commentsItem = new CommentsPage(comments, nextpage, init.isCommentsDisabled());
return Constants.mapper.writeValueAsBytes(commentsItem);
}
private static final Argon2PasswordEncoder argon2PasswordEncoder = new Argon2PasswordEncoder();
public static final byte[] registerResponse(String user, String pass) throws IOException, NoSuchAlgorithmException,
InvalidKeySpecException, InterruptedException, URISyntaxException {
if (user == null || pass == null)
return Constants.mapper.writeValueAsBytes(new InvalidRequestResponse());
user = user.toLowerCase();
Session s = DatabaseSessionFactory.createSession();
CriteriaBuilder cb = s.getCriteriaBuilder();
CriteriaQuery<User> cr = cb.createQuery(User.class);
Root<User> root = cr.from(User.class);
cr.select(root).where(root.get("username").in(user));
boolean registered = s.createQuery(cr).uniqueResult() != null;
if (registered) {
s.close();
return Constants.mapper.writeValueAsBytes(new AlreadyRegisteredResponse());
}
if (Constants.COMPROMISED_PASSWORD_CHECK) {
String sha1Hash = DigestUtils.sha1Hex(pass).toUpperCase();
String prefix = sha1Hash.substring(0, 5);
String suffix = sha1Hash.substring(5);
String[] entries = RequestUtils
.sendGet("https://api.pwnedpasswords.com/range/" + prefix, "github.com/TeamPiped/Piped-Backend")
.split("\n");
for (String entry : entries)
if (StringUtils.substringBefore(entry, ":").equals(suffix))
return Constants.mapper.writeValueAsBytes(new CompromisedPasswordResponse());
}
User newuser = new User(user, argon2PasswordEncoder.encode(pass), Collections.emptyList());
s.save(newuser);
s.getTransaction().begin();
s.getTransaction().commit();
s.close();
return Constants.mapper.writeValueAsBytes(new LoginResponse(newuser.getSessionId()));
}
private static final BCryptPasswordEncoder bcryptPasswordEncoder = new BCryptPasswordEncoder();
public static final byte[] loginResponse(String user, String pass)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
if (user == null || pass == null)
return Constants.mapper.writeValueAsBytes(new InvalidRequestResponse());
user = user.toLowerCase();
Session s = DatabaseSessionFactory.createSession();
CriteriaBuilder cb = s.getCriteriaBuilder();
CriteriaQuery<User> cr = cb.createQuery(User.class);
Root<User> root = cr.from(User.class);
cr.select(root).where(root.get("username").in(user));
User dbuser = s.createQuery(cr).uniqueResult();
if (dbuser != null) {
String hash = dbuser.getPassword();
if (hash.startsWith("$argon2")) {
if (argon2PasswordEncoder.matches(pass, hash)) {
s.close();
return Constants.mapper.writeValueAsBytes(new LoginResponse(dbuser.getSessionId()));
}
} else if (bcryptPasswordEncoder.matches(pass, hash)) {
s.close();
return Constants.mapper.writeValueAsBytes(new LoginResponse(dbuser.getSessionId()));
}
}
s.close();
return Constants.mapper.writeValueAsBytes(new IncorrectCredentialsResponse());
}
public static final byte[] subscribeResponse(String session, String channelId)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSessionWithSubscribed(s, session);
if (user != null) {
if (!user.getSubscribed().contains(channelId)) {
s.getTransaction().begin();
s.createNativeQuery("insert into users_subscribed (subscriber, channel) values (?,?)")
.setParameter(1, user.getId()).setParameter(2, channelId).executeUpdate();
s.getTransaction().commit();
s.close();
Multithreading.runAsync(() -> {
Session sess = DatabaseSessionFactory.createSession();
me.kavin.piped.utils.obj.db.Channel channel = DatabaseHelper.getChannelFromId(sess, channelId);
if (channel == null) {
ChannelInfo info = null;
try {
info = ChannelInfo.getInfo("https://youtube.com/channel/" + channelId);
} catch (IOException | ExtractionException e) {
ExceptionUtils.rethrow(e);
}
channel = new me.kavin.piped.utils.obj.db.Channel(channelId, info.getName(),
info.getAvatarUrl(), info.isVerified());
sess.save(channel);
sess.beginTransaction().commit();
Multithreading.runAsync(() -> {
try {
Session sessSub = DatabaseSessionFactory.createSession();
subscribePubSub(channelId, sessSub);
sessSub.close();
} catch (Exception e) {
ExceptionHandler.handle(e);
}
});
for (StreamInfoItem item : info.getRelatedItems()) {
long time = item.getUploadDate() != null
? item.getUploadDate().offsetDateTime().toInstant().toEpochMilli()
: System.currentTimeMillis();
if ((System.currentTimeMillis() - time) < TimeUnit.DAYS.toMillis(10))
handleNewVideo(item.getUrl(), time, channel, sess);
}
}
sess.close();
});
}
return Constants.mapper.writeValueAsBytes(new AcceptedResponse());
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] unsubscribeResponse(String session, String channelId)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSession(s, session);
if (user != null) {
s.getTransaction().begin();
s.createNativeQuery("delete from users_subscribed where subscriber = :id and channel = :channel")
.setParameter("id", user.getId()).setParameter("channel", channelId).executeUpdate();
s.getTransaction().commit();
s.close();
return Constants.mapper.writeValueAsBytes(new AcceptedResponse());
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] isSubscribedResponse(String session, String channelId)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSessionWithSubscribed(s, session);
if (user != null) {
if (user.getSubscribed().contains(channelId)) {
s.close();
return Constants.mapper.writeValueAsBytes(new SubscribeStatusResponse(true));
}
s.close();
return Constants.mapper.writeValueAsBytes(new SubscribeStatusResponse(false));
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] feedResponse(String session)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSession(s, session);
if (user != null) {
@SuppressWarnings("unchecked")
List<Object[]> queryResults = s.createNativeQuery(
"select Video.*, Channel.* from videos as Video left join channels as Channel on Video.uploader_id = Channel.uploader_id inner join users_subscribed on users_subscribed.channel = Channel.uploader_id where users_subscribed.subscriber = :user")
.setParameter("user", user.getId()).addEntity("Video", Video.class)
.addEntity("Channel", me.kavin.piped.utils.obj.db.Channel.class).getResultList();
List<FeedItem> feedItems = new ObjectArrayList<>();
queryResults.forEach(obj -> {
Video video = (Video) obj[0];
me.kavin.piped.utils.obj.db.Channel channel = (me.kavin.piped.utils.obj.db.Channel) obj[1];
feedItems.add(new FeedItem("/watch?v=" + video.getId(), video.getTitle(),
rewriteURL(video.getThumbnail()), "/channel/" + channel.getUploaderId(), channel.getUploader(),
rewriteURL(channel.getUploaderAvatar()), video.getViews(), video.getDuration(),
video.getUploaded(), channel.isVerified()));
});
Collections.sort(feedItems, (a, b) -> (int) (b.uploaded - a.uploaded));
s.close();
return Constants.mapper.writeValueAsBytes(feedItems);
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] feedResponseRSS(String session)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException, FeedException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSession(s, session);
if (user != null) {
SyndFeed feed = new SyndFeedImpl();
feed.setFeedType("atom_1.0");
feed.setTitle("Piped - Feed");
feed.setDescription(String.format("Piped's RSS subscription feed for %s.", user.getUsername()));
feed.setUri(Constants.FRONTEND_URL + "/feed");
if (user.getSubscribed() != null && !user.getSubscribed().isEmpty()) {
@SuppressWarnings("unchecked")
List<Object[]> queryResults = s.createNativeQuery(
"select Video.*, Channel.* from videos as Video left join channels as Channel on Video.uploader_id = Channel.uploader_id inner join users_subscribed on users_subscribed.channel = Channel.uploader_id where users_subscribed.subscriber = :user")
.setParameter("user", user.getId()).addEntity("Video", Video.class)
.addEntity("Channel", me.kavin.piped.utils.obj.db.Channel.class).getResultList();
Collections.sort(queryResults,
(a, b) -> (int) (((Video) b[0]).getUploaded() - ((Video) a[0]).getUploaded()));
final List<SyndEntry> entries = new ObjectArrayList<>();
for (Object[] result : queryResults) {
Video video = (Video) result[0];
me.kavin.piped.utils.obj.db.Channel channel = (me.kavin.piped.utils.obj.db.Channel) result[1];
SyndEntry entry = new SyndEntryImpl();
SyndPerson person = new SyndPersonImpl();
person.setName(channel.getUploader());
person.setUri(Constants.FRONTEND_URL + "/channel/" + channel.getUploaderId());
entry.setAuthors(Collections.singletonList(person));
entry.setUri(Constants.FRONTEND_URL + "/watch?v=" + video.getId());
entry.setTitle(video.getTitle());
entry.setPublishedDate(new Date(video.getUploaded()));
entries.add(entry);
}
feed.setEntries(entries);
}
s.close();
return new SyndFeedOutput().outputString(feed).getBytes(StandardCharsets.UTF_8);
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] importResponse(String session, String[] channelIds, boolean override)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSessionWithSubscribed(s, session);
if (user != null) {
Multithreading.runAsync(() -> {
if (override)
user.setSubscribed(Arrays.asList(channelIds));
else
for (String channelId : channelIds)
if (!user.getSubscribed().contains(channelId))
user.getSubscribed().add(channelId);
if (channelIds.length > 0) {
s.update(user);
s.beginTransaction().commit();
}
s.close();
});
for (String channelId : channelIds) {
Multithreading.runAsyncLimited(() -> {
try {
Session sess = DatabaseSessionFactory.createSession();
me.kavin.piped.utils.obj.db.Channel channel = DatabaseHelper.getChannelFromId(sess, channelId);
if (channel == null) {
ChannelInfo info = null;
try {
info = ChannelInfo.getInfo("https://youtube.com/channel/" + channelId);
} catch (Exception e) {
return;
}
channel = new me.kavin.piped.utils.obj.db.Channel(channelId, info.getName(),
info.getAvatarUrl(), info.isVerified());
sess.save(channel);
Multithreading.runAsync(() -> {
try {
Session sessSub = DatabaseSessionFactory.createSession();
subscribePubSub(channelId, sessSub);
sessSub.close();
} catch (Exception e) {
ExceptionHandler.handle(e);
}
});
for (StreamInfoItem item : info.getRelatedItems()) {
long time = item.getUploadDate() != null
? item.getUploadDate().offsetDateTime().toInstant().toEpochMilli()
: System.currentTimeMillis();
if ((System.currentTimeMillis() - time) < TimeUnit.DAYS.toMillis(10))
handleNewVideo(item.getUrl(), time, channel, sess);
}
if (!sess.getTransaction().isActive())
sess.getTransaction().begin();
sess.getTransaction().commit();
}
sess.close();
} catch (Exception e) {
ExceptionHandler.handle(e);
}
});
}
return Constants.mapper.writeValueAsBytes(new AcceptedResponse());
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
public static final byte[] subscriptionsResponse(String session)
throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
Session s = DatabaseSessionFactory.createSession();
User user = DatabaseHelper.getUserFromSessionWithSubscribed(s, session);
if (user != null) {
List<SubscriptionChannel> subscriptionItems = new ObjectArrayList<>();
if (user.getSubscribed() != null && !user.getSubscribed().isEmpty()) {
List<me.kavin.piped.utils.obj.db.Channel> channels = DatabaseHelper.getChannelFromIds(s,
user.getSubscribed());
channels.forEach(channel -> {
subscriptionItems.add(new SubscriptionChannel("/channel/" + channel.getUploaderId(),
channel.getUploader(), rewriteURL(channel.getUploaderAvatar()), channel.isVerified()));
});
Collections.sort(subscriptionItems, (a, b) -> (a.name.compareTo(b.name)));
}
s.close();
return Constants.mapper.writeValueAsBytes(subscriptionItems);
}
s.close();
return Constants.mapper.writeValueAsBytes(new AuthenticationFailureResponse());
}
private static final String getLBRYId(String videoId) throws IOException, InterruptedException {
return new JSONObject(Constants.h2client.send(HttpRequest
.newBuilder(URI.create("https://api.lbry.com/yt/resolve?video_ids=" + URLUtils.silentEncode(videoId)))
.setHeader("User-Agent", Constants.USER_AGENT).build(), BodyHandlers.ofString()).body())
.getJSONObject("data").getJSONObject("videos").optString(videoId);
}
private static final String getLBRYStreamURL(CompletableFuture<String> futureLbryId)
throws IOException, InterruptedException, ExecutionException {
String lbryId = "";
try {
lbryId = futureLbryId.get(2, TimeUnit.SECONDS);
} catch (Exception e) {
// ignored
}
if (!lbryId.isEmpty())
return new JSONObject(
Constants.h2client.send(
HttpRequest.newBuilder(URI.create("https://api.lbry.tv/api/v1/proxy?m=get"))
.POST(BodyPublishers.ofString(
String.valueOf(new JSONObject().put("id", System.currentTimeMillis())
.put("jsonrpc", "2.0").put("method", "get").put("params",
new JSONObject().put("uri", "lbry://" + lbryId)
.put("save_file", true)))))
.build(),
BodyHandlers.ofString()).body()).getJSONObject("result").getString("streaming_url");
return null;
}
public static void handleNewVideo(String url, long time, me.kavin.piped.utils.obj.db.Channel channel, Session s) {
try {
handleNewVideo(StreamInfo.getInfo(url), time, channel, s);
} catch (Exception e) {
ExceptionHandler.handle(e);
}
}
private static void handleNewVideo(StreamInfo info, long time, me.kavin.piped.utils.obj.db.Channel channel,
Session s) {
if (channel == null)
channel = DatabaseHelper.getChannelFromId(s,
info.getUploaderUrl().substring("https://www.youtube.com/channel/".length()));
long infoTime = info.getUploadDate() != null ? info.getUploadDate().offsetDateTime().toInstant().toEpochMilli()
: System.currentTimeMillis();
Video video = null;
if (channel != null && (video = DatabaseHelper.getVideoFromId(s, info.getId())) == null
&& (System.currentTimeMillis() - infoTime) < TimeUnit.DAYS.toMillis(10)) {
video = new Video(info.getId(), info.getName(), info.getViewCount(), info.getDuration(),
Math.max(infoTime, time), info.getThumbnailUrl(), channel);
s.save(video);
if (!s.getTransaction().isActive())
s.getTransaction().begin();
s.getTransaction().commit();
} else if (video != null) {
video.setViews(info.getViewCount());
s.update(video);
if (!s.getTransaction().isActive())
s.getTransaction().begin();
s.getTransaction().commit();
}
}
private static void updateViews(String id, long views, long time, boolean addIfNonExistent) {
Multithreading.runAsync(() -> {
try {
Session s = DatabaseSessionFactory.createSession();
Video video = DatabaseHelper.getVideoFromId(s, id);
if (video != null) {
video.setViews(views);
s.update(video);
s.beginTransaction().commit();
} else if (addIfNonExistent)
handleNewVideo("https://www.youtube.com/watch?v=" + id, time, null, s);
s.close();
} catch (Exception e) {
ExceptionHandler.handle(e);
}
});
}
public static void subscribePubSub(String channelId, Session s) throws IOException, InterruptedException {
PubSub pubsub = DatabaseHelper.getPubSubFromId(s, channelId);
if (pubsub == null || System.currentTimeMillis() - pubsub.getSubbedAt() > TimeUnit.DAYS.toMillis(4)) {
String callback = Constants.PUBLIC_URL + "/webhooks/pubsub";
String topic = "https://www.youtube.com/xml/feeds/videos.xml?channel_id=" + channelId;
Builder builder = HttpRequest.newBuilder(URI.create("https://pubsubhubbub.appspot.com/subscribe"));
Map<String, String> formParams = new Object2ObjectOpenHashMap<>();
StringBuilder formBody = new StringBuilder();
builder.header("content-type", "application/x-www-form-urlencoded");
formParams.put("hub.callback", callback);
formParams.put("hub.topic", topic);
formParams.put("hub.verify", "async");
formParams.put("hub.mode", "subscribe");
formParams.put("hub.lease_seconds", "432000");
formParams.forEach((name, value) -> {
formBody.append(name + "=" + URLUtils.silentEncode(value) + "&");
});
builder.method("POST",
BodyPublishers.ofString(String.valueOf(formBody.substring(0, formBody.length() - 1))));
HttpResponse<InputStream> resp = Constants.h2client.send(builder.build(), BodyHandlers.ofInputStream());
if (resp.statusCode() == 202) {
if (pubsub == null)
pubsub = new PubSub(channelId, System.currentTimeMillis());
else
pubsub.setSubbedAt(System.currentTimeMillis());
s.saveOrUpdate(pubsub);
if (!s.getTransaction().isActive())
s.getTransaction().begin();
s.getTransaction().commit();
} else
System.out.println(
"Failed to subscribe: " + resp.statusCode() + "\n" + IOUtils.toString(resp.body(), "UTF-8"));
}
}
private static final String substringYouTube(String s) {
return s == null || s.isEmpty() ? null : StringUtils.substringAfter(s, "youtube.com");
}
private static StreamItem collectRelatedStream(Object o) {
StreamInfoItem item = (StreamInfoItem) o;
return new StreamItem(substringYouTube(item.getUrl()), item.getName(), rewriteURL(item.getThumbnailUrl()),
item.getUploaderName(), substringYouTube(item.getUploaderUrl()),
rewriteURL(item.getUploaderAvatarUrl()), item.getTextualUploadDate(), item.getDuration(),
item.getViewCount(), item.isUploaderVerified());
}
private static String rewriteURL(final String old) {
if (old == null || old.isEmpty())
return null;
URL url = null;
try {
url = new URL(old);
} catch (MalformedURLException e) {
ExceptionHandler.handle(e);
}
final String host = url.getHost();
String query = url.getQuery();
boolean hasQuery = query != null;
String path = url.getPath();
if (path.contains("=")) {
path = StringUtils.substringBefore(path, "=") + "="
+ StringUtils.substringAfter(path, "=").replace("-rj", "-rw");
}
return Constants.PROXY_PART + path + (hasQuery ? "?" + query + "&host=" : "?host=")
+ URLUtils.silentEncode(host);
}
}