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ultrasonic-app-subsonic-and.../src/com/thejoshwa/ultrasonic/androidapp/service/RESTMusicService.java

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Incorporate fix from https://github.com/daneren2005/Subsonic/commit/d7c91c48c7cfe47ca40488372f5952f31f74734e
2013-02-23 04:04:57 +01:00
/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.androidapp.service;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.conn.params.ConnPerRouteBean;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.scheme.SocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.ExecutionContext;
import org.apache.http.protocol.HttpContext;
import org.xmlpull.v1.XmlPullParser;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.util.Xml;
import net.sourceforge.subsonic.androidapp.R;
import net.sourceforge.subsonic.androidapp.domain.Indexes;
import net.sourceforge.subsonic.androidapp.domain.JukeboxStatus;
import net.sourceforge.subsonic.androidapp.domain.Lyrics;
import net.sourceforge.subsonic.androidapp.domain.MusicDirectory;
import net.sourceforge.subsonic.androidapp.domain.MusicFolder;
import net.sourceforge.subsonic.androidapp.domain.Playlist;
import net.sourceforge.subsonic.androidapp.domain.SearchCritera;
import net.sourceforge.subsonic.androidapp.domain.SearchResult;
import net.sourceforge.subsonic.androidapp.domain.ServerInfo;
import net.sourceforge.subsonic.androidapp.domain.Version;
import net.sourceforge.subsonic.androidapp.service.parser.AlbumListParser;
import net.sourceforge.subsonic.androidapp.service.parser.ErrorParser;
import net.sourceforge.subsonic.androidapp.service.parser.IndexesParser;
import net.sourceforge.subsonic.androidapp.service.parser.JukeboxStatusParser;
import net.sourceforge.subsonic.androidapp.service.parser.LicenseParser;
import net.sourceforge.subsonic.androidapp.service.parser.LyricsParser;
import net.sourceforge.subsonic.androidapp.service.parser.MusicDirectoryParser;
import net.sourceforge.subsonic.androidapp.service.parser.MusicFoldersParser;
import net.sourceforge.subsonic.androidapp.service.parser.PlaylistParser;
import net.sourceforge.subsonic.androidapp.service.parser.PlaylistsParser;
import net.sourceforge.subsonic.androidapp.service.parser.RandomSongsParser;
import net.sourceforge.subsonic.androidapp.service.parser.SearchResult2Parser;
import net.sourceforge.subsonic.androidapp.service.parser.SearchResultParser;
import net.sourceforge.subsonic.androidapp.service.parser.VersionParser;
import net.sourceforge.subsonic.androidapp.service.ssl.SSLSocketFactory;
import net.sourceforge.subsonic.androidapp.service.ssl.TrustSelfSignedStrategy;
import net.sourceforge.subsonic.androidapp.util.CancellableTask;
import net.sourceforge.subsonic.androidapp.util.Constants;
import net.sourceforge.subsonic.androidapp.util.FileUtil;
import net.sourceforge.subsonic.androidapp.util.ProgressListener;
import net.sourceforge.subsonic.androidapp.util.Util;
/**
* @author Sindre Mehus
*/
public class RESTMusicService implements MusicService {
private static final String TAG = RESTMusicService.class.getSimpleName();
private static final int SOCKET_CONNECT_TIMEOUT = 10 * 1000;
private static final int SOCKET_READ_TIMEOUT_DEFAULT = 10 * 1000;
private static final int SOCKET_READ_TIMEOUT_DOWNLOAD = 30 * 1000;
private static final int SOCKET_READ_TIMEOUT_GET_RANDOM_SONGS = 60 * 1000;
private static final int SOCKET_READ_TIMEOUT_GET_PLAYLIST = 60 * 1000;
// Allow 20 seconds extra timeout per MB offset.
private static final double TIMEOUT_MILLIS_PER_OFFSET_BYTE = 20000.0 / 1000000.0;
/**
* URL from which to fetch latest versions.
*/
private static final String VERSION_URL = "http://subsonic.org/backend/version.view";
private static final int HTTP_REQUEST_MAX_ATTEMPTS = 5;
private static final long REDIRECTION_CHECK_INTERVAL_MILLIS = 60L * 60L * 1000L;
private final DefaultHttpClient httpClient;
private long redirectionLastChecked;
private int redirectionNetworkType = -1;
private String redirectFrom;
private String redirectTo;
private final ThreadSafeClientConnManager connManager;
public RESTMusicService() {
// Create and initialize default HTTP parameters
HttpParams params = new BasicHttpParams();
ConnManagerParams.setMaxTotalConnections(params, 20);
ConnManagerParams.setMaxConnectionsPerRoute(params, new ConnPerRouteBean(20));
HttpConnectionParams.setConnectionTimeout(params, SOCKET_CONNECT_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, SOCKET_READ_TIMEOUT_DEFAULT);
// Turn off stale checking. Our connections break all the time anyway,
// and it's not worth it to pay the penalty of checking every time.
HttpConnectionParams.setStaleCheckingEnabled(params, false);
// Create and initialize scheme registry
SchemeRegistry schemeRegistry = new SchemeRegistry();
schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
schemeRegistry.register(new Scheme("https", createSSLSocketFactory(), 443));
// Create an HttpClient with the ThreadSafeClientConnManager.
// This connection manager must be used if more than one thread will
// be using the HttpClient.
connManager = new ThreadSafeClientConnManager(params, schemeRegistry);
httpClient = new DefaultHttpClient(connManager, params);
}
private SocketFactory createSSLSocketFactory() {
try {
return new SSLSocketFactory(new TrustSelfSignedStrategy(), SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
} catch (Throwable x) {
Log.e(TAG, "Failed to create custom SSL socket factory, using default.", x);
return org.apache.http.conn.ssl.SSLSocketFactory.getSocketFactory();
}
}
@Override
public void ping(Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "ping", null);
try {
new ErrorParser(context).parse(reader);
XmlPullParser parser;
parser = Xml.newPullParser();
parser.setInput(reader);
String version = parser.getAttributeValue(null, "version");
if (version != null) {
Util.setServerRestVersion(context, new Version(version));
}
} finally {
Util.close(reader);
}
}
@Override
public boolean isLicenseValid(Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getLicense", null);
try {
ServerInfo serverInfo = new LicenseParser(context).parse(reader);
return serverInfo.isLicenseValid();
} finally {
Util.close(reader);
}
}
public List<MusicFolder> getMusicFolders(Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getMusicFolders", null);
try {
return new MusicFoldersParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
public void star(String id, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "star", null, "id", id);
try {
new ErrorParser(context).parse(reader);
} finally {
Util.close(reader);
}
}
public void unstar(String id, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "unstar", null, "id", id);
try {
new ErrorParser(context).parse(reader);
} finally {
Util.close(reader);
}
}
@Override
public Indexes getIndexes(String musicFolderId, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
Indexes cachedIndexes = readCachedIndexes(context, musicFolderId);
long lastModified = cachedIndexes == null ? 0L : cachedIndexes.getLastModified();
List<String> parameterNames = new ArrayList<String>();
List<Object> parameterValues = new ArrayList<Object>();
parameterNames.add("ifModifiedSince");
parameterValues.add(lastModified);
if (musicFolderId != null) {
parameterNames.add("musicFolderId");
parameterValues.add(musicFolderId);
}
Reader reader = getReader(context, progressListener, "getIndexes", null, parameterNames, parameterValues);
try {
Indexes indexes = new IndexesParser(context).parse(reader, progressListener);
if (indexes != null) {
writeCachedIndexes(context, indexes, musicFolderId);
return indexes;
}
return cachedIndexes;
} finally {
Util.close(reader);
}
}
private Indexes readCachedIndexes(Context context, String musicFolderId) {
String filename = getCachedIndexesFilename(context, musicFolderId);
return FileUtil.deserialize(context, filename);
}
private void writeCachedIndexes(Context context, Indexes indexes, String musicFolderId) {
String filename = getCachedIndexesFilename(context, musicFolderId);
FileUtil.serialize(context, indexes, filename);
}
private String getCachedIndexesFilename(Context context, String musicFolderId) {
String s = Util.getRestUrl(context, null) + musicFolderId;
return "indexes-" + Math.abs(s.hashCode()) + ".ser";
}
@Override
public MusicDirectory getMusicDirectory(String id, boolean refresh, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getMusicDirectory", null, "id", id);
try {
return new MusicDirectoryParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public SearchResult search(SearchCritera critera, Context context, ProgressListener progressListener) throws Exception {
try {
return searchNew(critera, context, progressListener);
} catch (ServerTooOldException x) {
// Ensure backward compatibility with REST 1.3.
return searchOld(critera, context, progressListener);
}
}
/**
* Search using the "search" REST method.
*/
private SearchResult searchOld(SearchCritera critera, Context context, ProgressListener progressListener) throws Exception {
List<String> parameterNames = Arrays.asList("any", "songCount");
List<Object> parameterValues = Arrays.<Object>asList(critera.getQuery(), critera.getSongCount());
Reader reader = getReader(context, progressListener, "search", null, parameterNames, parameterValues);
try {
return new SearchResultParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
/**
* Search using the "search2" REST method, available in 1.4.0 and later.
*/
private SearchResult searchNew(SearchCritera critera, Context context, ProgressListener progressListener) throws Exception {
checkServerVersion(context, "1.4", null);
List<String> parameterNames = Arrays.asList("query", "artistCount", "albumCount", "songCount");
List<Object> parameterValues = Arrays.<Object>asList(critera.getQuery(), critera.getArtistCount(),
critera.getAlbumCount(), critera.getSongCount());
Reader reader = getReader(context, progressListener, "search2", null, parameterNames, parameterValues);
try {
return new SearchResult2Parser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public MusicDirectory getPlaylist(String id, Context context, ProgressListener progressListener) throws Exception {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setSoTimeout(params, SOCKET_READ_TIMEOUT_GET_PLAYLIST);
Reader reader = getReader(context, progressListener, "getPlaylist", params, "id", id);
try {
return new PlaylistParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public List<Playlist> getPlaylists(boolean refresh, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getPlaylists", null);
try {
return new PlaylistsParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public void createPlaylist(String id, String name, List<MusicDirectory.Entry> entries, Context context, ProgressListener progressListener) throws Exception {
List<String> parameterNames = new LinkedList<String>();
List<Object> parameterValues = new LinkedList<Object>();
if (id != null) {
parameterNames.add("playlistId");
parameterValues.add(id);
}
if (name != null) {
parameterNames.add("name");
parameterValues.add(name);
}
for (MusicDirectory.Entry entry : entries) {
parameterNames.add("songId");
parameterValues.add(entry.getId());
}
Reader reader = getReader(context, progressListener, "createPlaylist", null, parameterNames, parameterValues);
try {
new ErrorParser(context).parse(reader);
} finally {
Util.close(reader);
}
}
@Override
public Lyrics getLyrics(String artist, String title, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getLyrics", null, Arrays.asList("artist", "title"), Arrays.<Object>asList(artist, title));
try {
return new LyricsParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public void scrobble(String id, boolean submission, Context context, ProgressListener progressListener) throws Exception {
checkServerVersion(context, "1.5", "Scrobbling not supported.");
Reader reader = getReader(context, progressListener, "scrobble", null, Arrays.asList("id", "submission"), Arrays.<Object>asList(id, submission));
try {
new ErrorParser(context).parse(reader);
} finally {
Util.close(reader);
}
}
@Override
public MusicDirectory getAlbumList(String type, int size, int offset, Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getAlbumList",
null, Arrays.asList("type", "size", "offset"), Arrays.<Object>asList(type, size, offset));
try {
return new AlbumListParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public MusicDirectory getRandomSongs(int size, Context context, ProgressListener progressListener) throws Exception {
HttpParams params = new BasicHttpParams();
HttpConnectionParams.setSoTimeout(params, SOCKET_READ_TIMEOUT_GET_RANDOM_SONGS);
Reader reader = getReader(context, progressListener, "getRandomSongs", params, "size", size);
try {
return new RandomSongsParser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public SearchResult getStarred(Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReader(context, progressListener, "getStarred", null);
try {
return new SearchResult2Parser(context).parse(reader, progressListener);
} finally {
Util.close(reader);
}
}
@Override
public Version getLocalVersion(Context context) throws Exception {
PackageInfo packageInfo = context.getPackageManager().getPackageInfo("net.sourceforge.subsonic.androidapp", 0);
return new Version(packageInfo.versionName);
}
@Override
public Version getLatestVersion(Context context, ProgressListener progressListener) throws Exception {
Reader reader = getReaderForURL(context, VERSION_URL, null, null, null, progressListener);
try {
return new VersionParser().parse(reader);
} finally {
Util.close(reader);
}
}
private void checkServerVersion(Context context, String version, String text) throws ServerTooOldException {
Version serverVersion = Util.getServerRestVersion(context);
Version requiredVersion = new Version(version);
boolean ok = serverVersion == null || serverVersion.compareTo(requiredVersion) >= 0;
if (!ok) {
throw new ServerTooOldException(text, serverVersion, requiredVersion);
}
}
@Override
Fix album art retrieval on main thread, search settings consistency, disable server side scaling randomize album art when viewing tracks, keep aspect ratio when scaling album art
2013-04-02 03:16:45 +02:00
public Bitmap getCoverArt(Context context, MusicDirectory.Entry entry, int size, boolean saveToFile, ProgressListener progressListener) throws Exception {
// Synchronize on the entry so that we don't download concurrently for
// the same song.
synchronized (entry) {
// Use cached file, if existing.
Bitmap bitmap = FileUtil.getAlbumArtBitmap(context, entry, size);
boolean serverScaling = Util.isServerScalingEnabled(context);
if (bitmap == null) {
String url = Util.getRestUrl(context, "getCoverArt");
InputStream in = null;
try {
List<String> parameterNames;
List<Object> parameterValues;
if (serverScaling) {
parameterNames = Arrays.asList("id", "size");
parameterValues = Arrays.<Object>asList(entry.getCoverArt(), size);
}
else {
parameterNames = Arrays.asList("id");
parameterValues = Arrays.<Object> asList(entry.getCoverArt());
}
HttpEntity entity = getEntityForURL(context, url, null, parameterNames, parameterValues, progressListener);
in = entity.getContent();
// If content type is XML, an error occurred. Get it.
String contentType = Util.getContentType(entity);
if (contentType != null && contentType.startsWith("text/xml")) {
new ErrorParser(context).parse(new InputStreamReader(in, Constants.UTF_8));
return null; // Never reached.
}
byte[] bytes = Util.toByteArray(in);
// If we aren't allowing server-side scaling, always save the file to disk because it will be unmodified
if (!serverScaling || saveToFile) {
OutputStream out = null;
try {
out = new FileOutputStream(FileUtil.getAlbumArtFile(context, entry));
out.write(bytes);
} finally {
Util.close(out);
}
}
bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
} finally {
Util.close(in);
}
}
// Return scaled bitmap
return Util.scaleBitmap(bitmap, size);
}
}
Incorporate fix from https://github.com/daneren2005/Subsonic/commit/d7c91c48c7cfe47ca40488372f5952f31f74734e
2013-02-23 04:04:57 +01:00
@Override
public HttpResponse getDownloadInputStream(Context context, MusicDirectory.Entry song, long offset, int maxBitrate, CancellableTask task) throws Exception {
String url = Util.getRestUrl(context, "stream");
// Set socket read timeout. Note: The timeout increases as the offset gets larger. This is
// to avoid the thrashing effect seen when offset is combined with transcoding/downsampling on the server.
// In that case, the server uses a long time before sending any data, causing the client to time out.
HttpParams params = new BasicHttpParams();
int timeout = (int) (SOCKET_READ_TIMEOUT_DOWNLOAD + offset * TIMEOUT_MILLIS_PER_OFFSET_BYTE);
HttpConnectionParams.setSoTimeout(params, timeout);
// Add "Range" header if offset is given.
List<Header> headers = new ArrayList<Header>();
if (offset > 0) {
headers.add(new BasicHeader("Range", "bytes=" + offset + "-"));
}
List<String> parameterNames = Arrays.asList("id", "maxBitRate");
List<Object> parameterValues = Arrays.<Object>asList(song.getId(), maxBitrate);
HttpResponse response = getResponseForURL(context, url, params, parameterNames, parameterValues, headers, null, task);
// If content type is XML, an error occurred. Get it.
String contentType = Util.getContentType(response.getEntity());
if (contentType != null && contentType.startsWith("text/xml")) {
InputStream in = response.getEntity().getContent();
try {
new ErrorParser(context).parse(new InputStreamReader(in, Constants.UTF_8));
} finally {
Util.close(in);
}
}
return response;
}
@Override
public String getVideoUrl(Context context, String id) {
StringBuilder builder = new StringBuilder(Util.getRestUrl(context, "videoPlayer"));
builder.append("&id=").append(id);
builder.append("&maxBitRate=500");
builder.append("&autoplay=true");
String url = rewriteUrlWithRedirect(context, builder.toString());
Log.i(TAG, "Using video URL: " + url);
return url;
}
@Override
public JukeboxStatus updateJukeboxPlaylist(List<String> ids, Context context, ProgressListener progressListener) throws Exception {
int n = ids.size();
List<String> parameterNames = new ArrayList<String>(n + 1);
parameterNames.add("action");
for (int i = 0; i < n; i++) {
parameterNames.add("id");
}
List<Object> parameterValues = new ArrayList<Object>();
parameterValues.add("set");
parameterValues.addAll(ids);
return executeJukeboxCommand(context, progressListener, parameterNames, parameterValues);
}
@Override
public JukeboxStatus skipJukebox(int index, int offsetSeconds, Context context, ProgressListener progressListener) throws Exception {
List<String> parameterNames = Arrays.asList("action", "index", "offset");
List<Object> parameterValues = Arrays.<Object>asList("skip", index, offsetSeconds);
return executeJukeboxCommand(context, progressListener, parameterNames, parameterValues);
}
@Override
public JukeboxStatus stopJukebox(Context context, ProgressListener progressListener) throws Exception {
return executeJukeboxCommand(context, progressListener, Arrays.asList("action"), Arrays.<Object>asList("stop"));
}
@Override
public JukeboxStatus startJukebox(Context context, ProgressListener progressListener) throws Exception {
return executeJukeboxCommand(context, progressListener, Arrays.asList("action"), Arrays.<Object>asList("start"));
}
@Override
public JukeboxStatus getJukeboxStatus(Context context, ProgressListener progressListener) throws Exception {
return executeJukeboxCommand(context, progressListener, Arrays.asList("action"), Arrays.<Object>asList("status"));
}
@Override
public JukeboxStatus setJukeboxGain(float gain, Context context, ProgressListener progressListener) throws Exception {
List<String> parameterNames = Arrays.asList("action", "gain");
List<Object> parameterValues = Arrays.<Object>asList("setGain", gain);
return executeJukeboxCommand(context, progressListener, parameterNames, parameterValues);
}
private JukeboxStatus executeJukeboxCommand(Context context, ProgressListener progressListener, List<String> parameterNames, List<Object> parameterValues) throws Exception {
checkServerVersion(context, "1.7", "Jukebox not supported.");
Reader reader = getReader(context, progressListener, "jukeboxControl", null, parameterNames, parameterValues);
try {
return new JukeboxStatusParser(context).parse(reader);
} finally {
Util.close(reader);
}
}
private Reader getReader(Context context, ProgressListener progressListener, String method, HttpParams requestParams) throws Exception {
return getReader(context, progressListener, method, requestParams, Collections.<String>emptyList(), Collections.emptyList());
}
private Reader getReader(Context context, ProgressListener progressListener, String method,
HttpParams requestParams, String parameterName, Object parameterValue) throws Exception {
return getReader(context, progressListener, method, requestParams, Arrays.asList(parameterName), Arrays.<Object>asList(parameterValue));
}
private Reader getReader(Context context, ProgressListener progressListener, String method,
HttpParams requestParams, List<String> parameterNames, List<Object> parameterValues) throws Exception {
if (progressListener != null) {
progressListener.updateProgress(R.string.service_connecting);
}
String url = Util.getRestUrl(context, method);
return getReaderForURL(context, url, requestParams, parameterNames, parameterValues, progressListener);
}
private Reader getReaderForURL(Context context, String url, HttpParams requestParams, List<String> parameterNames,
List<Object> parameterValues, ProgressListener progressListener) throws Exception {
HttpEntity entity = getEntityForURL(context, url, requestParams, parameterNames, parameterValues, progressListener);
if (entity == null) {
throw new RuntimeException("No entity received for URL " + url);
}
InputStream in = entity.getContent();
return new InputStreamReader(in, Constants.UTF_8);
}
private HttpEntity getEntityForURL(Context context, String url, HttpParams requestParams, List<String> parameterNames,
List<Object> parameterValues, ProgressListener progressListener) throws Exception {
return getResponseForURL(context, url, requestParams, parameterNames, parameterValues, null, progressListener, null).getEntity();
}
private HttpResponse getResponseForURL(Context context, String url, HttpParams requestParams,
List<String> parameterNames, List<Object> parameterValues,
List<Header> headers, ProgressListener progressListener, CancellableTask task) throws Exception {
Log.d(TAG, "Connections in pool: " + connManager.getConnectionsInPool());
// If not too many parameters, extract them to the URL rather than relying on the HTTP POST request being
// received intact. Remember, HTTP POST requests are converted to GET requests during HTTP redirects, thus
// loosing its entity.
if (parameterNames != null && parameterNames.size() < 10) {
StringBuilder builder = new StringBuilder(url);
for (int i = 0; i < parameterNames.size(); i++) {
builder.append("&").append(parameterNames.get(i)).append("=");
builder.append(URLEncoder.encode(String.valueOf(parameterValues.get(i)), "UTF-8"));
}
url = builder.toString();
parameterNames = null;
parameterValues = null;
}
String rewrittenUrl = rewriteUrlWithRedirect(context, url);
return executeWithRetry(context, rewrittenUrl, url, requestParams, parameterNames, parameterValues, headers, progressListener, task);
}
private HttpResponse executeWithRetry(Context context, String url, String originalUrl, HttpParams requestParams,
List<String> parameterNames, List<Object> parameterValues,
List<Header> headers, ProgressListener progressListener, CancellableTask task) throws IOException {
Log.i(TAG, "Using URL " + url);
final AtomicReference<Boolean> cancelled = new AtomicReference<Boolean>(false);
int attempts = 0;
while (true) {
attempts++;
HttpContext httpContext = new BasicHttpContext();
final HttpPost request = new HttpPost(url);
if (task != null) {
// Attempt to abort the HTTP request if the task is cancelled.
task.setOnCancelListener(new CancellableTask.OnCancelListener() {
@Override
public void onCancel() {
cancelled.set(true);
request.abort();
}
});
}
if (parameterNames != null) {
List<NameValuePair> params = new ArrayList<NameValuePair>();
for (int i = 0; i < parameterNames.size(); i++) {
params.add(new BasicNameValuePair(parameterNames.get(i), String.valueOf(parameterValues.get(i))));
}
request.setEntity(new UrlEncodedFormEntity(params, Constants.UTF_8));
}
if (requestParams != null) {
request.setParams(requestParams);
Log.d(TAG, "Socket read timeout: " + HttpConnectionParams.getSoTimeout(requestParams) + " ms.");
}
if (headers != null) {
for (Header header : headers) {
request.addHeader(header);
}
}
// Set credentials to get through apache proxies that require authentication.
SharedPreferences prefs = Util.getPreferences(context);
int instance = prefs.getInt(Constants.PREFERENCES_KEY_SERVER_INSTANCE, 1);
String username = prefs.getString(Constants.PREFERENCES_KEY_USERNAME + instance, null);
String password = prefs.getString(Constants.PREFERENCES_KEY_PASSWORD + instance, null);
httpClient.getCredentialsProvider().setCredentials(new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
new UsernamePasswordCredentials(username, password));
try {
httpClient.getParams().setParameter("http.socket.timeout", Util.getNetworkTimeout(context));
HttpResponse response = httpClient.execute(request, httpContext);
detectRedirect(originalUrl, context, httpContext);
return response;
} catch (IOException x) {
request.abort();
if (attempts >= HTTP_REQUEST_MAX_ATTEMPTS || cancelled.get()) {
throw x;
}
if (progressListener != null) {
String msg = context.getResources().getString(R.string.music_service_retry, attempts, HTTP_REQUEST_MAX_ATTEMPTS - 1);
progressListener.updateProgress(msg);
}
Log.w(TAG, "Got IOException (" + attempts + "), will retry", x);
increaseTimeouts(requestParams);
Util.sleepQuietly(2000L);
}
}
}
private void increaseTimeouts(HttpParams requestParams) {
if (requestParams != null) {
int connectTimeout = HttpConnectionParams.getConnectionTimeout(requestParams);
if (connectTimeout != 0) {
HttpConnectionParams.setConnectionTimeout(requestParams, (int) (connectTimeout * 1.3F));
}
int readTimeout = HttpConnectionParams.getSoTimeout(requestParams);
if (readTimeout != 0) {
HttpConnectionParams.setSoTimeout(requestParams, (int) (readTimeout * 1.5F));
}
}
}
private void detectRedirect(String originalUrl, Context context, HttpContext httpContext) {
HttpUriRequest request = (HttpUriRequest) httpContext.getAttribute(ExecutionContext.HTTP_REQUEST);
HttpHost host = (HttpHost) httpContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
// Sometimes the request doesn't contain the "http://host" part
String redirectedUrl;
if (request.getURI().getScheme() == null) {
redirectedUrl = host.toURI() + request.getURI();
} else {
redirectedUrl = request.getURI().toString();
}
redirectFrom = originalUrl.substring(0, originalUrl.indexOf("/rest/"));
redirectTo = redirectedUrl.substring(0, redirectedUrl.indexOf("/rest/"));
Log.i(TAG, redirectFrom + " redirects to " + redirectTo);
redirectionLastChecked = System.currentTimeMillis();
redirectionNetworkType = getCurrentNetworkType(context);
}
private String rewriteUrlWithRedirect(Context context, String url) {
// Only cache for a certain time.
if (System.currentTimeMillis() - redirectionLastChecked > REDIRECTION_CHECK_INTERVAL_MILLIS) {
return url;
}
// Ignore cache if network type has changed.
if (redirectionNetworkType != getCurrentNetworkType(context)) {
return url;
}
if (redirectFrom == null || redirectTo == null) {
return url;
}
return url.replace(redirectFrom, redirectTo);
}
private int getCurrentNetworkType(Context context) {
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
return networkInfo == null ? -1 : networkInfo.getType();
}
}