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126 lines
4.4 KiB
126 lines
4.4 KiB
/*
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This file is part of Libresonic.
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Libresonic 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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Libresonic 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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You should have received a copy of the GNU General Public License
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along with Libresonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2016 (C) Libresonic Authors
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Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
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*/
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package org.libresonic.player.controller;
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import org.libresonic.player.domain.MediaFile;
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import org.libresonic.player.domain.PlayQueue;
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import org.libresonic.player.domain.Player;
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import org.libresonic.player.service.PlayerService;
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import org.libresonic.player.service.SettingsService;
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import org.libresonic.player.service.TranscodingService;
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import org.libresonic.player.util.StringUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.servlet.ModelAndView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.List;
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/**
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* Controller which produces the M3U playlist.
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*
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* @author Sindre Mehus
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*/
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@Controller
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@RequestMapping("/play.m3u")
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public class M3UController {
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@Autowired
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private PlayerService playerService;
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@Autowired
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private SettingsService settingsService;
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@Autowired
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private TranscodingService transcodingService;
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@RequestMapping(method = RequestMethod.GET)
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public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
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response.setContentType("audio/x-mpegurl");
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response.setCharacterEncoding(StringUtil.ENCODING_UTF8);
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Player player = playerService.getPlayer(request, response);
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String url = request.getRequestURL().toString();
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url = url.replaceFirst("play.m3u.*", "stream?");
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// Rewrite URLs in case we're behind a proxy.
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if (settingsService.isRewriteUrlEnabled()) {
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String referer = request.getHeader("referer");
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url = StringUtil.rewriteUrl(url, referer);
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}
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url = settingsService.rewriteRemoteUrl(url);
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if (player.isExternalWithPlaylist()) {
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createClientSidePlaylist(response.getWriter(), player, url);
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} else {
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createServerSidePlaylist(response.getWriter(), player, url);
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}
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return null;
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}
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private void createClientSidePlaylist(PrintWriter out, Player player, String url) throws Exception {
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if (player.isM3uBomEnabled()) {
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out.print("\ufeff");
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}
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out.println("#EXTM3U");
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List<MediaFile> result;
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synchronized (player.getPlayQueue()) {
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result = player.getPlayQueue().getFiles();
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}
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for (MediaFile mediaFile : result) {
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Integer duration = mediaFile.getDurationSeconds();
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if (duration == null) {
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duration = -1;
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}
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out.println("#EXTINF:" + duration + "," + mediaFile.getArtist() + " - " + mediaFile.getTitle());
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out.println(url + "player=" + player.getId() + "&id=" + mediaFile.getId() + "&suffix=." + transcodingService.getSuffix(player, mediaFile, null));
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}
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}
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private void createServerSidePlaylist(PrintWriter out, Player player, String url) throws IOException {
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url += "player=" + player.getId();
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// Get suffix of current file, e.g., ".mp3".
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String suffix = getSuffix(player);
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if (suffix != null) {
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url += "&suffix=." + suffix;
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}
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if (player.isM3uBomEnabled()) {
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out.print("\ufeff");
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}
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out.println("#EXTM3U");
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out.println("#EXTINF:-1,Libresonic");
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out.println(url);
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}
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private String getSuffix(Player player) {
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PlayQueue playQueue = player.getPlayQueue();
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return playQueue.isEmpty() ? null : transcodingService.getSuffix(player, playQueue.getFile(0), null);
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}
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}
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