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/*
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This file is part of Airsonic.
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Airsonic 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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Airsonic 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 Airsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2016 (C) Airsonic Authors
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Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
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*/
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package org.airsonic.player.controller;
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import com.auth0.jwt.interfaces.DecodedJWT;
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import org.airsonic.player.domain.*;
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import org.airsonic.player.security.JWTAuthenticationToken;
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import org.airsonic.player.service.*;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.context.SecurityContextHolder;
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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 org.springframework.web.util.UriComponentsBuilder;
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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.util.*;
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import java.util.stream.Collectors;
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/**
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* Controller for the page used to play shared music (Twitter, Facebook etc).
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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(value = {"/ext/share/**"})
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public class ExternalPlayerController {
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private static final Logger LOG = LoggerFactory.getLogger(ExternalPlayerController.class);
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@Autowired
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private SettingsService settingsService;
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@Autowired
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private PlayerService playerService;
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@Autowired
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private ShareService shareService;
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@Autowired
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private MediaFileService mediaFileService;
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@Autowired
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private JWTSecurityService jwtSecurityService;
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@RequestMapping(method = RequestMethod.GET)
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protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
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Map<String, Object> map = new HashMap<>();
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String shareName = ControllerUtils.extractMatched(request);
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LOG.debug("Share name is {}", shareName);
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if(StringUtils.isBlank(shareName)) {
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LOG.warn("Could not find share with shareName " + shareName);
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response.sendError(HttpServletResponse.SC_NOT_FOUND);
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return null;
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}
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Share share = shareService.getShareByName(shareName);
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if (share != null && share.getExpires() != null && share.getExpires().before(new Date())) {
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LOG.warn("Share " + shareName + " is expired");
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share = null;
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}
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if (share != null) {
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share.setLastVisited(new Date());
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share.setVisitCount(share.getVisitCount() + 1);
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shareService.updateShare(share);
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}
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Player player = playerService.getGuestPlayer(request);
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map.put("share", share);
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map.put("songs", getSongs(request, share, player));
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return new ModelAndView("externalPlayer", "model", map);
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}
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private List<MediaFileWithUrlInfo> getSongs(HttpServletRequest request, Share share, Player player) throws IOException {
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Date expires = null;
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if(authentication instanceof JWTAuthenticationToken) {
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DecodedJWT token = jwtSecurityService.verify((String) authentication.getCredentials());
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expires = token.getExpiresAt();
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}
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Date finalExpires = expires;
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List<MediaFileWithUrlInfo> result = new ArrayList<>();
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List<MusicFolder> musicFolders = settingsService.getMusicFoldersForUser(player.getUsername());
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if (share != null) {
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for (MediaFile file : shareService.getSharedFiles(share.getId(), musicFolders)) {
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if (file.getFile().exists()) {
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if (file.isDirectory()) {
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List<MediaFile> childrenOf = mediaFileService.getChildrenOf(file, true, false, true);
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result.addAll(childrenOf.stream().map(mf -> addUrlInfo(request, player, mf, finalExpires)).collect(Collectors.toList()));
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} else {
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result.add(addUrlInfo(request, player, file, finalExpires));
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}
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}
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}
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}
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return result;
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}
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public MediaFileWithUrlInfo addUrlInfo(HttpServletRequest request, Player player, MediaFile mediaFile, Date expires) {
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String prefix = "ext";
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String streamUrl = jwtSecurityService.addJWTToken(
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UriComponentsBuilder
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.fromHttpUrl(NetworkService.getBaseUrl(request) + prefix + "/stream")
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.queryParam("id", mediaFile.getId())
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.queryParam("player", player.getId())
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.queryParam("maxBitRate", "1200"),
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expires)
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.build()
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.toUriString();
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String coverArtUrl = jwtSecurityService.addJWTToken(
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UriComponentsBuilder
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.fromHttpUrl(NetworkService.getBaseUrl(request) + prefix + "/coverArt.view")
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.queryParam("id", mediaFile.getId())
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.queryParam("size", "500"),
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expires)
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.build()
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.toUriString();
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return new MediaFileWithUrlInfo(mediaFile, coverArtUrl, streamUrl);
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}
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}
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