Move Last.fm logic into separate helper class
- Split AudioScrobblerSevice into two classes - Change api to https in last.fm Audio Scrobbler Signed-off-by: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com> Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>
This commit is contained in:
Shen-Ta Hsieh
+12
-272
@@ -18,59 +18,28 @@
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Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
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*/
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package org.airsonic.player.service;
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import org.airsonic.player.domain.MediaFile;
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import org.airsonic.player.domain.UserSettings;
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import org.airsonic.player.util.StringUtil;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.ResponseHandler;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.methods.HttpUriRequest;
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import org.apache.http.impl.client.BasicResponseHandler;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.airsonic.player.service.scrobbler.LastFMScrobbler;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.net.URI;
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import java.util.*;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.Date;
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/**
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* Provides services for "audioscrobbling", which is the process of
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* registering what songs are played at www.last.fm.
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* <p/>
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* See http://www.last.fm/api/submissions
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*
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* @author Sindre Mehus
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* registering what songs are played at website.
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*/
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@Service
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public class AudioScrobblerService {
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private static final Logger LOG = LoggerFactory.getLogger(AudioScrobblerService.class);
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private static final int MAX_PENDING_REGISTRATION = 2000;
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private RegistrationThread thread;
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private final LinkedBlockingQueue<RegistrationData> queue = new LinkedBlockingQueue<RegistrationData>();
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private LastFMScrobbler lastFMScrobbler;
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@Autowired
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private SettingsService settingsService;
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private final RequestConfig requestConfig = RequestConfig.custom()
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.setConnectTimeout(15000)
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.setSocketTimeout(15000)
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.build();
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/**
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* Registers the given media file at www.last.fm. This method returns immediately, the actual registration is done
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* by a separate thread.
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* Registers the given media file at audio scrobble service. This method returns immediately, the actual registration is done
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* by separate threads.
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*
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* @param mediaFile The media file to register.
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* @param username The user which played the music file.
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@@ -78,249 +47,20 @@ public class AudioScrobblerService {
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* @param time Event time, or {@code null} to use current time.
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*/
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public synchronized void register(MediaFile mediaFile, String username, boolean submission, Date time) {
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if (thread == null) {
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thread = new RegistrationThread();
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thread.start();
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}
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if (queue.size() >= MAX_PENDING_REGISTRATION) {
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LOG.warn("Last.fm scrobbler queue is full. Ignoring " + mediaFile);
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return;
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}
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RegistrationData registrationData = createRegistrationData(mediaFile, username, submission, time);
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if (registrationData == null) {
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return;
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}
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try {
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queue.put(registrationData);
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} catch (InterruptedException x) {
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LOG.warn("Interrupted while queuing Last.fm scrobble.", x);
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}
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}
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private RegistrationData createRegistrationData(MediaFile mediaFile, String username, boolean submission, Date time) {
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if (mediaFile == null || mediaFile.isVideo()) {
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return null;
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return;
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}
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UserSettings userSettings = settingsService.getUserSettings(username);
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if (!userSettings.isLastFmEnabled() || userSettings.getLastFmUsername() == null || userSettings.getLastFmPassword() == null) {
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return null;
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}
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RegistrationData reg = new RegistrationData();
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reg.username = userSettings.getLastFmUsername();
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reg.password = userSettings.getLastFmPassword();
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reg.artist = mediaFile.getArtist();
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reg.album = mediaFile.getAlbumName();
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reg.title = mediaFile.getTitle();
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reg.duration = mediaFile.getDurationSeconds() == null ? 0 : mediaFile.getDurationSeconds();
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reg.time = time == null ? new Date() : time;
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reg.submission = submission;
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return reg;
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}
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/**
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* Scrobbles the given song data at last.fm, using the protocol defined at http://www.last.fm/api/submissions.
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*
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* @param registrationData Registration data for the song.
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*/
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private void scrobble(RegistrationData registrationData) throws Exception {
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if (registrationData == null) {
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return;
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}
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String[] lines = authenticate(registrationData);
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if (lines == null) {
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return;
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}
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String sessionId = lines[1];
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String nowPlayingUrl = lines[2];
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String submissionUrl = lines[3];
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if (registrationData.submission) {
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lines = registerSubmission(registrationData, sessionId, submissionUrl);
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} else {
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lines = registerNowPlaying(registrationData, sessionId, nowPlayingUrl);
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}
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if (lines[0].startsWith("FAILED")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm: " + lines[0]);
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} else if (lines[0].startsWith("BADSESSION")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Invalid session.");
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} else if (lines[0].startsWith("OK")) {
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LOG.info("Successfully registered " + (registrationData.submission ? "submission" : "now playing") +
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" for song '" + registrationData.title + "' for user " + registrationData.username + " at Last.fm: " + registrationData.time);
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}
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}
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/**
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* Returns the following lines if authentication succeeds:
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* <p/>
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* Line 0: Always "OK"
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* Line 1: Session ID, e.g., "17E61E13454CDD8B68E8D7DEEEDF6170"
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* Line 2: URL to use for now playing, e.g., "http://post.audioscrobbler.com:80/np_1.2"
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* Line 3: URL to use for submissions, e.g., "http://post2.audioscrobbler.com:80/protocol_1.2"
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* <p/>
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* If authentication fails, <code>null</code> is returned.
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*/
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private String[] authenticate(RegistrationData registrationData) throws Exception {
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String clientId = "sub";
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String clientVersion = "0.1";
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long timestamp = System.currentTimeMillis() / 1000L;
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String authToken = calculateAuthenticationToken(registrationData.password, timestamp);
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URI uri = new URI("http",
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/* userInfo= */ null, "post.audioscrobbler.com", -1,
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"/",
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String.format("hs=true&p=1.2.1&c=%s&v=%s&u=%s&t=%s&a=%s",
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clientId, clientVersion, registrationData.username,
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timestamp, authToken),
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/* fragment= */ null);
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String[] lines = executeGetRequest(uri);
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if (lines[0].startsWith("BANNED")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Client version is banned.");
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return null;
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}
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if (lines[0].startsWith("BADAUTH")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Wrong username or password.");
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return null;
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}
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if (lines[0].startsWith("BADTIME")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Bad timestamp, please check local clock.");
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return null;
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}
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if (lines[0].startsWith("FAILED")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm: " + lines[0]);
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return null;
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}
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if (!lines[0].startsWith("OK")) {
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LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Unknown response: " + lines[0]);
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return null;
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}
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return lines;
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}
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private String[] registerSubmission(RegistrationData registrationData, String sessionId, String url) throws IOException {
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Map<String, String> params = new HashMap<String, String>();
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params.put("s", sessionId);
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params.put("a[0]", registrationData.artist);
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params.put("t[0]", registrationData.title);
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params.put("i[0]", String.valueOf(registrationData.time.getTime() / 1000L));
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params.put("o[0]", "P");
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params.put("r[0]", "");
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params.put("l[0]", String.valueOf(registrationData.duration));
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params.put("b[0]", registrationData.album);
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params.put("n[0]", "");
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params.put("m[0]", "");
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return executePostRequest(url, params);
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}
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private String[] registerNowPlaying(RegistrationData registrationData, String sessionId, String url) throws IOException {
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Map<String, String> params = new HashMap<String, String>();
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params.put("s", sessionId);
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params.put("a", registrationData.artist);
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params.put("t", registrationData.title);
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params.put("b", registrationData.album);
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params.put("l", String.valueOf(registrationData.duration));
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params.put("n", "");
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params.put("m", "");
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return executePostRequest(url, params);
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}
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private String calculateAuthenticationToken(String password, long timestamp) {
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return DigestUtils.md5Hex(DigestUtils.md5Hex(password) + timestamp);
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}
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private String[] executeGetRequest(URI url) throws IOException {
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HttpGet method = new HttpGet(url);
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method.setConfig(requestConfig);
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return executeRequest(method);
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}
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private String[] executePostRequest(String url, Map<String, String> parameters) throws IOException {
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List<NameValuePair> params = new ArrayList<NameValuePair>();
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for (Map.Entry<String, String> entry : parameters.entrySet()) {
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params.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
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}
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HttpPost request = new HttpPost(url);
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request.setEntity(new UrlEncodedFormEntity(params, StringUtil.ENCODING_UTF8));
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request.setConfig(requestConfig);
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return executeRequest(request);
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}
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private String[] executeRequest(HttpUriRequest request) throws IOException {
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try (CloseableHttpClient client = HttpClients.createDefault()) {
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ResponseHandler<String> responseHandler = new BasicResponseHandler();
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String response = client.execute(request, responseHandler);
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return response.split("\\n");
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if (userSettings.isLastFmEnabled() && userSettings.getLastFmUsername() != null && userSettings.getLastFmPassword() != null) {
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if (lastFMScrobbler == null) {
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lastFMScrobbler = new LastFMScrobbler();
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}
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lastFMScrobbler.register(mediaFile, userSettings.getLastFmUsername(), userSettings.getLastFmPassword(), submission, time);
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}
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}
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public void setSettingsService(SettingsService settingsService) {
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this.settingsService = settingsService;
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}
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private class RegistrationThread extends Thread {
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private RegistrationThread() {
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super("AudioScrobbler Registration");
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}
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@Override
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public void run() {
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while (true) {
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RegistrationData registrationData = null;
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try {
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registrationData = queue.take();
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scrobble(registrationData);
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} catch (IOException x) {
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handleNetworkError(registrationData, x);
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} catch (Exception x) {
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LOG.warn("Error in Last.fm registration.", x);
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}
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}
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}
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private void handleNetworkError(RegistrationData registrationData, IOException x) {
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try {
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queue.put(registrationData);
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LOG.info("Last.fm registration for " + registrationData.title +
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" encountered network error. Will try again later. In queue: " + queue.size(), x);
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} catch (InterruptedException e) {
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LOG.error("Failed to reschedule Last.fm registration for " + registrationData.title, e);
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}
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try {
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sleep(60L * 1000L); // Wait 60 seconds.
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} catch (InterruptedException e) {
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LOG.error("Failed to sleep after Last.fm registration failure for " + registrationData.title, e);
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}
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}
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}
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private static class RegistrationData {
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private String username;
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private String password;
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private String artist;
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private String album;
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private String title;
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private int duration;
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private Date time;
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public boolean submission;
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}
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}
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+304
@@ -0,0 +1,304 @@
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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.service.scrobbler;
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import org.airsonic.player.domain.MediaFile;
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import org.airsonic.player.util.StringUtil;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.ResponseHandler;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.methods.HttpUriRequest;
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import org.apache.http.impl.client.BasicResponseHandler;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.*;
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import java.util.concurrent.LinkedBlockingQueue;
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/**
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* Provides services for "audioscrobbling" at www.last.fm.
|
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* <br/>
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* See https://www.last.fm/api/submissions
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*/
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public class LastFMScrobbler {
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private static final Logger LOG = LoggerFactory.getLogger(LastFMScrobbler.class);
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private static final int MAX_PENDING_REGISTRATION = 2000;
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private RegistrationThread thread;
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private final LinkedBlockingQueue<RegistrationData> queue = new LinkedBlockingQueue<RegistrationData>();
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private final RequestConfig requestConfig = RequestConfig.custom()
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.setConnectTimeout(15000)
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.setSocketTimeout(15000)
|
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.build();
|
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|
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|
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/**
|
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* Registers the given media file at www.last.fm. This method returns immediately, the actual registration is done
|
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* by a separate thread.
|
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*
|
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* @param mediaFile The media file to register.
|
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* @param username last.fm username.
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* @param password last.fm password.
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* @param submission Whether this is a submission or a now playing notification.
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* @param time Event time, or {@code null} to use current time.
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*/
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public synchronized void register(MediaFile mediaFile, String username, String password, boolean submission, Date time) {
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if (thread == null) {
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thread = new RegistrationThread();
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thread.start();
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}
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if (queue.size() >= MAX_PENDING_REGISTRATION) {
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LOG.warn("Last.fm scrobbler queue is full. Ignoring " + mediaFile);
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return;
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}
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RegistrationData registrationData = createRegistrationData(mediaFile, username, password, submission, time);
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if (registrationData == null) {
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return;
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}
|
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try {
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queue.put(registrationData);
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} catch (InterruptedException x) {
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LOG.warn("Interrupted while queuing Last.fm scrobble: " + x.toString());
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}
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}
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private RegistrationData createRegistrationData(MediaFile mediaFile, String username, String password, boolean submission, Date time) {
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RegistrationData reg = new RegistrationData();
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reg.username = username;
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reg.password = password;
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reg.artist = mediaFile.getArtist();
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reg.album = mediaFile.getAlbumName();
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reg.title = mediaFile.getTitle();
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reg.duration = mediaFile.getDurationSeconds() == null ? 0 : mediaFile.getDurationSeconds();
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reg.time = time == null ? new Date() : time;
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reg.submission = submission;
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return reg;
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}
|
||||
|
||||
/**
|
||||
* Scrobbles the given song data at last.fm, using the protocol defined at http://www.last.fm/api/submissions.
|
||||
*
|
||||
* @param registrationData Registration data for the song.
|
||||
*/
|
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private void scrobble(RegistrationData registrationData) throws URISyntaxException, ClientProtocolException, IOException {
|
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if (registrationData == null) {
|
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return;
|
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}
|
||||
|
||||
String[] lines = authenticate(registrationData);
|
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if (lines == null) {
|
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return;
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}
|
||||
|
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String sessionId = lines[1];
|
||||
String nowPlayingUrl = lines[2];
|
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String submissionUrl = lines[3];
|
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|
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if (registrationData.submission) {
|
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lines = registerSubmission(registrationData, sessionId, submissionUrl);
|
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} else {
|
||||
lines = registerNowPlaying(registrationData, sessionId, nowPlayingUrl);
|
||||
}
|
||||
|
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if (lines[0].startsWith("FAILED")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm: " + lines[0]);
|
||||
} else if (lines[0].startsWith("BADSESSION")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Invalid session.");
|
||||
} else if (lines[0].startsWith("OK")) {
|
||||
LOG.info("Successfully registered " + (registrationData.submission ? "submission" : "now playing") +
|
||||
" for song '" + registrationData.title + "' for user " + registrationData.username + " at Last.fm: " + registrationData.time);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the following lines if authentication succeeds:
|
||||
* <p/>
|
||||
* Line 0: Always "OK"
|
||||
* Line 1: Session ID, e.g., "17E61E13454CDD8B68E8D7DEEEDF6170"
|
||||
* Line 2: URL to use for now playing, e.g., "https://post.audioscrobbler.com:80/np_1.2"
|
||||
* Line 3: URL to use for submissions, e.g., "https://post2.audioscrobbler.com:80/protocol_1.2"
|
||||
* <p/>
|
||||
* If authentication fails, <code>null</code> is returned.
|
||||
*/
|
||||
private String[] authenticate(RegistrationData registrationData) throws URISyntaxException, ClientProtocolException, IOException {
|
||||
String clientId = "sub";
|
||||
String clientVersion = "0.1";
|
||||
long timestamp = System.currentTimeMillis() / 1000L;
|
||||
String authToken = calculateAuthenticationToken(registrationData.password, timestamp);
|
||||
URI uri = new URI("https",
|
||||
/* userInfo= */ null, "post.audioscrobbler.com", -1,
|
||||
"/",
|
||||
String.format("hs=true&p=1.2.1&c=%s&v=%s&u=%s&t=%s&a=%s",
|
||||
clientId, clientVersion, registrationData.username,
|
||||
timestamp, authToken),
|
||||
/* fragment= */ null);
|
||||
|
||||
String[] lines = executeGetRequest(uri);
|
||||
|
||||
if (lines[0].startsWith("BANNED")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Client version is banned.");
|
||||
return null;
|
||||
}
|
||||
|
||||
if (lines[0].startsWith("BADAUTH")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Wrong username or password.");
|
||||
return null;
|
||||
}
|
||||
|
||||
if (lines[0].startsWith("BADTIME")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Bad timestamp, please check local clock.");
|
||||
return null;
|
||||
}
|
||||
|
||||
if (lines[0].startsWith("FAILED")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm: " + lines[0]);
|
||||
return null;
|
||||
}
|
||||
|
||||
if (!lines[0].startsWith("OK")) {
|
||||
LOG.warn("Failed to scrobble song '" + registrationData.title + "' at Last.fm. Unknown response: " + lines[0]);
|
||||
return null;
|
||||
}
|
||||
|
||||
return lines;
|
||||
}
|
||||
|
||||
private String[] registerSubmission(RegistrationData registrationData, String sessionId, String url) throws UnsupportedEncodingException, ClientProtocolException, IOException {
|
||||
Map<String, String> params = new HashMap<String, String>();
|
||||
params.put("s", sessionId);
|
||||
params.put("a[0]", registrationData.artist);
|
||||
params.put("t[0]", registrationData.title);
|
||||
params.put("i[0]", String.valueOf(registrationData.time.getTime() / 1000L));
|
||||
params.put("o[0]", "P");
|
||||
params.put("r[0]", "");
|
||||
params.put("l[0]", String.valueOf(registrationData.duration));
|
||||
params.put("b[0]", registrationData.album);
|
||||
params.put("n[0]", "");
|
||||
params.put("m[0]", "");
|
||||
return executePostRequest(url, params);
|
||||
}
|
||||
|
||||
private String[] registerNowPlaying(RegistrationData registrationData, String sessionId, String url) throws UnsupportedEncodingException, ClientProtocolException, IOException {
|
||||
Map<String, String> params = new HashMap<String, String>();
|
||||
params.put("s", sessionId);
|
||||
params.put("a", registrationData.artist);
|
||||
params.put("t", registrationData.title);
|
||||
params.put("b", registrationData.album);
|
||||
params.put("l", String.valueOf(registrationData.duration));
|
||||
params.put("n", "");
|
||||
params.put("m", "");
|
||||
return executePostRequest(url, params);
|
||||
}
|
||||
|
||||
private String calculateAuthenticationToken(String password, long timestamp) {
|
||||
return DigestUtils.md5Hex(DigestUtils.md5Hex(password) + timestamp);
|
||||
}
|
||||
|
||||
private String[] executeGetRequest(URI url) throws IOException, ClientProtocolException {
|
||||
HttpGet method = new HttpGet(url);
|
||||
method.setConfig(requestConfig);
|
||||
return executeRequest(method);
|
||||
}
|
||||
|
||||
private String[] executePostRequest(String url, Map<String, String> parameters) throws UnsupportedEncodingException, ClientProtocolException, IOException {
|
||||
List<NameValuePair> params = new ArrayList<NameValuePair>();
|
||||
for (Map.Entry<String, String> entry : parameters.entrySet()) {
|
||||
params.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
|
||||
}
|
||||
|
||||
HttpPost request = new HttpPost(url);
|
||||
request.setEntity(new UrlEncodedFormEntity(params, StringUtil.ENCODING_UTF8));
|
||||
request.setConfig(requestConfig);
|
||||
return executeRequest(request);
|
||||
}
|
||||
|
||||
private String[] executeRequest(HttpUriRequest request) throws ClientProtocolException, IOException {
|
||||
try (CloseableHttpClient client = HttpClients.createDefault()) {
|
||||
ResponseHandler<String> responseHandler = new BasicResponseHandler();
|
||||
String response = client.execute(request, responseHandler);
|
||||
return response.split("\\r?\\n");
|
||||
}
|
||||
}
|
||||
|
||||
private class RegistrationThread extends Thread {
|
||||
private RegistrationThread() {
|
||||
super("LastFMScrobbler Registration");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
while (true) {
|
||||
RegistrationData registrationData = null;
|
||||
try {
|
||||
registrationData = queue.take();
|
||||
scrobble(registrationData);
|
||||
} catch (IOException x) {
|
||||
handleNetworkError(registrationData, x.toString());
|
||||
} catch (Exception x) {
|
||||
LOG.warn("Error in Last.fm registration: " + x.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void handleNetworkError(RegistrationData registrationData, String errorMessage) {
|
||||
try {
|
||||
queue.put(registrationData);
|
||||
LOG.info("Last.fm registration for '" + registrationData.title +
|
||||
"' encountered network error: " + errorMessage + ". Will try again later. In queue: " + queue.size());
|
||||
} catch (InterruptedException x) {
|
||||
LOG.error("Failed to reschedule Last.fm registration for '" + registrationData.title + "': " + x.toString());
|
||||
}
|
||||
try {
|
||||
sleep(60L * 1000L); // Wait 60 seconds.
|
||||
} catch (InterruptedException x) {
|
||||
LOG.error("Failed to sleep after Last.fm registration failure for '" + registrationData.title + "': " + x.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static class RegistrationData {
|
||||
private String username;
|
||||
private String password;
|
||||
private String artist;
|
||||
private String album;
|
||||
private String title;
|
||||
private int duration;
|
||||
private Date time;
|
||||
public boolean submission;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user