ctbrec-5.3.2-experimental/common/src/main/java/ctbrec/sites/cam4/Cam4Model.java

312 lines
12 KiB
Java

package ctbrec.sites.cam4;
import static ctbrec.Model.State.*;
import static ctbrec.io.HttpConstants.*;
import static java.util.regex.Pattern.*;
import java.io.IOException;
import java.io.InputStream;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.json.JSONObject;
import org.jsoup.nodes.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.iheartradio.m3u8.Encoding;
import com.iheartradio.m3u8.Format;
import com.iheartradio.m3u8.ParseException;
import com.iheartradio.m3u8.ParsingMode;
import com.iheartradio.m3u8.PlaylistException;
import com.iheartradio.m3u8.PlaylistParser;
import com.iheartradio.m3u8.data.MasterPlaylist;
import com.iheartradio.m3u8.data.Playlist;
import com.iheartradio.m3u8.data.PlaylistData;
import com.iheartradio.m3u8.data.StreamInfo;
import ctbrec.AbstractModel;
import ctbrec.Config;
import ctbrec.io.HtmlParser;
import ctbrec.io.HttpException;
import ctbrec.recorder.download.StreamSource;
import okhttp3.FormBody;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
public class Cam4Model extends AbstractModel {
private static final Logger LOG = LoggerFactory.getLogger(Cam4Model.class);
private transient Instant playlistRequestTimestamp = Instant.EPOCH;
private String playlistUrl;
private int[] resolution = null;
private boolean privateRoom = false;
@Override
public boolean isOnline(boolean ignoreCache) throws IOException, ExecutionException, InterruptedException {
if (ignoreCache || onlineState == UNKNOWN) {
try {
loadModelDetails();
getPlaylistUrl();
} catch (Exception e) {
onlineState = OFFLINE;
}
}
return onlineState == ONLINE && !privateRoom && playlistUrl != null && !playlistUrl.isEmpty();
}
private void loadModelDetails() throws IOException {
JSONObject roomState = new Cam4WsClient(Config.getInstance(), (Cam4)getSite(), this).getRoomState();
if(LOG.isTraceEnabled()) LOG.trace(roomState.toString(2));
String state = roomState.optString("newShowsState");
setOnlineStateByShowType(state);
privateRoom = roomState.optBoolean("privateRoom");
setDescription(roomState.optString("status"));
}
public void setOnlineStateByShowType(String showType) {
switch(showType) {
case "NORMAL":
case "ACCEPTING":
case "GROUP_SHOW_SELLING_TICKETS":
case "GS_SELLING_TICKETS":
case "GS_SELLING_TICKETS_UNSUCCESSFUL":
onlineState = ONLINE;
break;
case "PRIVATE_SHOW":
case "INSIDE_PS":
onlineState = PRIVATE;
break;
case "INSIDE_GS":
case "GROUP_SHOW":
onlineState = GROUP;
break;
case "PAUSED":
onlineState = AWAY;
break;
case "OFFLINE":
onlineState = OFFLINE;
break;
default:
LOG.debug("############################## Unknown show type [{}]", showType);
onlineState = UNKNOWN;
}
}
@Override
public State getOnlineState(boolean failFast) throws IOException, ExecutionException {
if(failFast) {
return onlineState;
} else {
if(onlineState == UNKNOWN) {
try {
loadModelDetails();
} catch (Exception e) {
LOG.warn("Couldn't load model details {}", e.getMessage());
}
}
return onlineState;
}
}
private String getPlaylistUrl() throws IOException {
if (playlistUrl == null || playlistUrl.trim().isEmpty() || playlistIsOutdated()) {
String page = loadModelPage();
Matcher m = Pattern.compile("hlsUrl\\s*:\\s*'(.*?)'", DOTALL | MULTILINE).matcher(page);
if (m.find()) {
playlistUrl = m.group(1);
} else {
m = Pattern.compile("\"videoPlayUrl\"\\s*:\\s*\"(.*?)\"", DOTALL | MULTILINE).matcher(page);
if (m.find()) {
generatePlaylistUrlFromStreamName(m.group(1));
}
}
if (playlistUrl == null) {
throw new IOException("Couldn't determine playlist url");
}
playlistRequestTimestamp = Instant.now();
}
return playlistUrl;
}
private boolean playlistIsOutdated() {
return Duration.between(playlistRequestTimestamp, Instant.now()).getSeconds() > TimeUnit.MINUTES.toSeconds(2);
}
private void generatePlaylistUrlFromStreamName(String streamName) {
Matcher m = Pattern.compile(".*?-(\\d{3,})-.*").matcher(streamName);
if (m.find()) {
String number = m.group(1);
playlistUrl = "https://cam4-hls.xcdnpro.com/" + number + "/cam4-origin-live/ngrp:" + streamName + "_all/playlist.m3u8";
}
}
private String loadModelPage() throws IOException {
Request req = new Request.Builder().url(getUrl()).build();
try (Response response = site.getHttpClient().execute(req)) {
if (response.isSuccessful()) {
return response.body().string();
} else {
throw new HttpException(response.code(), response.message());
}
}
}
@Override
public List<StreamSource> getStreamSources() throws IOException, ExecutionException, ParseException, PlaylistException {
MasterPlaylist masterPlaylist = getMasterPlaylist();
List<StreamSource> sources = new ArrayList<>();
for (PlaylistData playlist : masterPlaylist.getPlaylists()) {
if (playlist.hasStreamInfo()) {
StreamSource src = new StreamSource();
src.bandwidth = playlist.getStreamInfo().getBandwidth();
src.height = Optional.ofNullable(playlist.getStreamInfo()).map(StreamInfo::getResolution).map(res -> res.height).orElse(0);
String masterUrl = getPlaylistUrl();
String baseUrl = masterUrl.substring(0, masterUrl.lastIndexOf('/') + 1);
String segmentUri = baseUrl + playlist.getUri();
src.mediaPlaylistUrl = segmentUri;
LOG.trace("Media playlist {}", src.mediaPlaylistUrl);
sources.add(src);
}
}
return sources;
}
private MasterPlaylist getMasterPlaylist() throws IOException, ParseException, PlaylistException {
LOG.trace("Loading master playlist [{}]", getPlaylistUrl());
Request req = new Request.Builder().url(getPlaylistUrl()).build();
try (Response response = site.getHttpClient().execute(req)) {
if (response.isSuccessful()) {
InputStream inputStream = response.body().byteStream();
PlaylistParser parser = new PlaylistParser(inputStream, Format.EXT_M3U, Encoding.UTF_8, ParsingMode.LENIENT);
Playlist playlist = parser.parse();
MasterPlaylist master = playlist.getMasterPlaylist();
return master;
} else {
throw new HttpException(response.code(), "Couldn't download HLS playlist");
}
}
}
@Override
public void invalidateCacheEntries() {
resolution = null;
playlistUrl = null;
}
@Override
public void receiveTip(Double tokens) throws IOException {
throw new RuntimeException("Not implemented for Cam4, yet");
}
@Override
public int[] getStreamResolution(boolean failFast) throws ExecutionException {
if(resolution == null) {
if(failFast) {
return new int[2];
}
try {
if(!isOnline()) {
return new int[2];
}
List<StreamSource> sources = getStreamSources();
Collections.sort(sources);
StreamSource best = sources.get(sources.size()-1);
resolution = new int[] {best.width, best.height};
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
LOG.warn("Couldn't determine stream resolution for {} - {}", getName(), e.getMessage());
resolution = new int[2];
} catch (ExecutionException | IOException | ParseException | PlaylistException e) {
LOG.warn("Couldn't determine stream resolution for {} - {}", getName(), e.getMessage());
resolution = new int[2];
}
return resolution;
} else {
return resolution;
}
}
@Override
public boolean follow() throws IOException {
String url = site.getBaseUrl() + "/profiles/addFriendFavorite?action=addFavorite&object=" + getName() + "&_=" + System.currentTimeMillis();
Request req = new Request.Builder()
.url(url)
.addHeader(X_REQUESTED_WITH, XML_HTTP_REQUEST)
.build();
try (Response response = site.getHttpClient().execute(req)) {
return response.isSuccessful();
}
}
@Override
public boolean unfollow() throws IOException {
// get model user id
String url = site.getBaseUrl() + '/' + getName();
Request req = new Request.Builder()
.url(url)
.addHeader(X_REQUESTED_WITH, XML_HTTP_REQUEST)
.build();
// we have to use a client without any cam4 cookies here, otherwise
// this request is redirected to the login page. no idea why
try (Response response = site.getRecorder().getHttpClient().execute(req)) {
if (response.isSuccessful()) {
String content = response.body().string();
String broadCasterId = null;
try {
Element tag = HtmlParser.getTag(content, "input[name=\"broadcasterId\"]");
broadCasterId = tag.attr("value");
} catch (Exception e) {
LOG.debug(content);
throw new IOException(e);
}
// send unfollow request
String username = Config.getInstance().getSettings().cam4Username;
url = site.getBaseUrl() + '/' + username + "/edit/friends_favorites";
RequestBody body = new FormBody.Builder()
.add("deleteFavorites", broadCasterId)
.add("simpleresult", "true")
.build();
req = new Request.Builder()
.url(url)
.post(body)
.addHeader(X_REQUESTED_WITH, XML_HTTP_REQUEST)
.build();
try (Response resp = site.getHttpClient().execute(req)) {
if (resp.isSuccessful()) {
return Objects.equals(resp.body().string(), "Ok");
} else {
return false;
}
}
} else {
return false;
}
}
}
public void setPlaylistUrl(String playlistUrl) {
this.playlistUrl = playlistUrl;
}
public class ModelDetailsEmptyException extends Exception {
public ModelDetailsEmptyException(String msg) {
super(msg);
}
}
}