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filebot/source/net/filebot/web/OpenSubtitlesXmlRpc.java

540 lines
16 KiB
Java

package net.filebot.web;
import static java.util.Collections.*;
import static net.filebot.Logging.*;
import static net.filebot.util.StringUtilities.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.DeflaterInputStream;
import java.util.zip.GZIPInputStream;
import net.filebot.util.ByteBufferOutputStream;
import net.filebot.web.OpenSubtitlesSubtitleDescriptor.Property;
import redstone.xmlrpc.XmlRpcClient;
import redstone.xmlrpc.XmlRpcException;
import redstone.xmlrpc.XmlRpcFault;
import redstone.xmlrpc.util.Base64;
@SuppressWarnings("unchecked")
public class OpenSubtitlesXmlRpc {
private final String useragent;
private String token;
public OpenSubtitlesXmlRpc(String useragent) {
this.useragent = useragent;
}
/**
* Login as anonymous user
*/
public void loginAnonymous() throws XmlRpcFault {
login("", "", "en");
}
/**
* This will login user. This method should be called always when starting talking with server.
*
* @param username
* username (blank for anonymous user)
* @param password
* password (blank for anonymous user)
* @param language
* ISO639 2-letter codes as language and later communication will be done in this language if applicable (error codes and so on).
*/
public synchronized void login(String username, String password, String language) throws XmlRpcFault {
Map<?, ?> response = invoke("LogIn", username, password, language, useragent);
// set session token
token = response.get("token").toString();
}
/**
* This will logout user (ends session id). Call this function is before closing the client program.
*/
public synchronized void logout() throws XmlRpcFault {
try {
invoke("LogOut", token);
} catch (XmlRpcFault e) {
// anonymous users will always get an 401 Unauthorized when trying to logout,
// so we ignore the status of the logout response
} finally {
token = null;
}
}
public boolean isLoggedOn() {
return token != null;
}
public Map<String, String> getServerInfo() throws XmlRpcFault {
return (Map<String, String>) invoke("ServerInfo", token);
}
public List<OpenSubtitlesSubtitleDescriptor> searchSubtitles(Collection<Query> queryList) throws XmlRpcFault {
// abort immediately if download quota has been exceeded
OpenSubtitlesSubtitleDescriptor.checkDownloadQuota();
List<OpenSubtitlesSubtitleDescriptor> subtitles = new ArrayList<OpenSubtitlesSubtitleDescriptor>();
Map<?, ?> response = invoke("SearchSubtitles", token, queryList);
try {
List<Map<String, String>> subtitleData = (List<Map<String, String>>) response.get("data");
for (Map<String, String> propertyMap : subtitleData) {
subtitles.add(new OpenSubtitlesSubtitleDescriptor(Property.asEnumMap(propertyMap)));
}
} catch (ClassCastException e) {
// no subtitle have been found
}
return subtitles;
}
public List<SubtitleSearchResult> searchMoviesOnIMDB(String query) throws XmlRpcFault {
try {
// search for movies / series
Map<?, ?> response = invoke("SearchMoviesOnIMDB", token, query);
List<Map<String, String>> movieData = (List<Map<String, String>>) response.get("data");
List<SubtitleSearchResult> movies = new ArrayList<SubtitleSearchResult>();
// title pattern
Pattern pattern = Pattern.compile("(.+)[(](\\d{4})([/]I+)?[)]");
for (Map<String, String> movie : movieData) {
try {
String imdbid = movie.get("id");
if (!imdbid.matches("\\d{1,7}"))
throw new IllegalArgumentException("Illegal IMDb movie ID: Must be a 7-digit number");
// match movie name and movie year from search result
Matcher matcher = pattern.matcher(movie.get("title"));
if (!matcher.find())
throw new IllegalArgumentException("Illegal title: Must be in 'name (year)' format");
String name = matcher.group(1).replaceAll("\"", "").trim();
int year = Integer.parseInt(matcher.group(2));
movies.add(new SubtitleSearchResult(Integer.parseInt(imdbid), name, year, null, -1));
} catch (Exception e) {
debug.log(Level.FINE, String.format("Ignore movie [%s]: %s", movie, e.getMessage()));
}
}
return movies;
} catch (ClassCastException e) {
// unexpected xmlrpc responses (e.g. error messages instead of results) will trigger this
throw new XmlRpcException("Illegal XMLRPC response on searchMoviesOnIMDB");
}
}
public Movie getIMDBMovieDetails(int imdbid) throws XmlRpcFault {
Map<?, ?> response = invoke("GetIMDBMovieDetails", token, imdbid);
try {
Map<String, String> data = (Map<String, String>) response.get("data");
String name = data.get("title");
int year = Integer.parseInt(data.get("year"));
return new Movie(name, year, imdbid, -1);
} catch (RuntimeException e) {
// ignore, invalid response
debug.log(Level.WARNING, String.format("Failed to lookup movie by imdbid %s: %s", imdbid, e.getMessage()));
}
return null;
}
private Map<String, Object> getUploadStruct(BaseInfo baseInfo, SubFile... subtitles) {
Map<String, Object> struct = new LinkedHashMap<String, Object>();
// put baseinfo
if (baseInfo != null) {
struct.put("baseinfo", baseInfo);
}
for (int i = 0; i < subtitles.length; i++) {
struct.put("cd" + (i + 1), subtitles[i]);
}
return struct;
}
public TryUploadResponse tryUploadSubtitles(SubFile... subtitles) throws XmlRpcFault {
Map<String, Object> struct = getUploadStruct(null, subtitles);
Map<?, ?> response = invoke("TryUploadSubtitles", token, struct);
boolean uploadRequired = response.get("alreadyindb").toString().equals("0");
List<Map<String, String>> subtitleData = new ArrayList<Map<String, String>>();
if (response.get("data") instanceof Map) {
subtitleData.add((Map<String, String>) response.get("data"));
} else if (response.get("data") instanceof List) {
subtitleData.addAll((List<Map<String, String>>) response.get("data"));
}
return new TryUploadResponse(uploadRequired, subtitleData);
}
public URI uploadSubtitles(BaseInfo baseInfo, SubFile... subtitles) throws XmlRpcFault {
Map<String, Object> struct = getUploadStruct(baseInfo, subtitles);
Map<?, ?> response = invoke("UploadSubtitles", token, struct);
// subtitle link
return URI.create(response.get("data").toString());
}
public List<String> detectLanguage(byte[] data) throws XmlRpcFault {
// compress and base64 encode
String parameter = encodeData(data);
Map<String, Map<String, String>> response = (Map<String, Map<String, String>>) invoke("DetectLanguage", token, singleton(parameter));
List<String> languages = new ArrayList<String>(2);
if (response.containsKey("data")) {
languages.addAll(response.get("data").values());
}
return languages;
}
public Map<String, Integer> checkSubHash(Collection<String> hashes) throws XmlRpcFault {
Map<?, ?> response = invoke("CheckSubHash", token, hashes);
Map<String, ?> subHashData = (Map<String, ?>) response.get("data");
Map<String, Integer> subHashMap = new HashMap<String, Integer>();
for (Entry<String, ?> entry : subHashData.entrySet()) {
// non-existing subtitles are represented as Integer 0, not String "0"
subHashMap.put(entry.getKey(), Integer.parseInt(entry.getValue().toString()));
}
return subHashMap;
}
public Map<String, List<SubtitleSearchResult>> guessMovie(Collection<String> tags) throws XmlRpcFault {
Map<String, List<SubtitleSearchResult>> results = new HashMap<String, List<SubtitleSearchResult>>();
Map<?, ?> response = invoke("GuessMovieFromString", token, tags);
Object payload = response.get("data");
if (payload instanceof Map) {
Map<String, Map<String, Map<String, ?>>> dataByTag = (Map<String, Map<String, Map<String, ?>>>) payload;
for (String tag : tags) {
List<SubtitleSearchResult> value = new ArrayList<SubtitleSearchResult>();
Map<String, Map<String, ?>> data = dataByTag.get(tag);
if (data != null) {
Map<String, ?> match = data.get("BestGuess");
if (match != null) {
String name = String.valueOf(match.get("MovieName"));
String kind = String.valueOf(match.get("MovieKind"));
int imdbid = Integer.parseInt(String.valueOf(match.get("IDMovieIMDB")));
int year = Integer.parseInt(String.valueOf(match.get("MovieYear")));
value.add(new SubtitleSearchResult(imdbid, name, year, kind, -1));
}
}
results.put(tag, value);
}
}
return results;
}
public Map<String, Movie> checkMovieHash(Collection<String> hashes, int minSeenCount) throws XmlRpcFault {
Map<String, Movie> movieHashMap = new HashMap<String, Movie>();
Map<?, ?> response = invoke("CheckMovieHash2", token, hashes);
Object payload = response.get("data");
if (payload instanceof Map) {
Map<String, ?> movieHashData = (Map<String, ?>) payload;
for (Entry<String, ?> entry : movieHashData.entrySet()) {
// empty associative arrays are deserialized as array, not as map
if (entry.getValue() instanceof List) {
String hash = entry.getKey();
List<Movie> matches = new ArrayList<Movie>();
List<?> hashMatches = (List<?>) entry.getValue();
for (Object match : hashMatches) {
if (match instanceof Map) {
Map<String, String> info = (Map<String, String>) match;
int seenCount = Integer.parseInt(info.get("SeenCount"));
// require minimum SeenCount before this hash match is considered trusted
if (seenCount >= minSeenCount) {
String name = info.get("MovieName");
int year = Integer.parseInt(info.get("MovieYear"));
int imdb = Integer.parseInt(info.get("MovieImdbID"));
matches.add(new Movie(name, year, imdb, -1));
}
}
}
if (matches.size() == 1) {
// perfect unambiguous match
movieHashMap.put(hash, matches.get(0));
} else if (matches.size() > 1) {
// multiple hash matches => ignore all
debug.log(Level.WARNING, "Ignore hash match due to hash collision: " + matches);
}
}
}
}
return movieHashMap;
}
public Map<String, String> getSubLanguages() throws XmlRpcFault {
return getSubLanguages("en");
}
public Map<String, String> getSubLanguages(String languageCode) throws XmlRpcFault {
Map<String, List<Map<String, String>>> response = (Map<String, List<Map<String, String>>>) invoke("GetSubLanguages", languageCode);
Map<String, String> subLanguageMap = new HashMap<String, String>();
for (Map<String, String> language : response.get("data")) {
subLanguageMap.put(language.get("SubLanguageID"), language.get("LanguageName"));
}
return subLanguageMap;
}
public void noOperation() throws XmlRpcFault {
invoke("NoOperation", token);
}
protected Map<?, ?> invoke(String method, Object... arguments) throws XmlRpcFault {
try {
XmlRpcClient rpc = new XmlRpcClient(getXmlRpcUrl(), false) {
@Override
public void parse(InputStream input) throws XmlRpcException {
try {
super.parse(new GZIPInputStream(input));
} catch (IOException e) {
throw new XmlRpcException(e.getMessage(), e);
}
};
};
rpc.setRequestProperty("Accept-Encoding", "gzip");
Map<?, ?> response = (Map<?, ?>) rpc.invoke(method, arguments);
checkResponse(response);
return response;
} catch (XmlRpcFault e) {
// invalidate session token if session has expired
if (e.getErrorCode() == 406)
token = null;
// rethrow exception
throw e;
} catch (ClassCastException e) {
throw new XmlRpcFault(500, "The remote server returned an unexpected response");
}
}
protected URL getXmlRpcUrl() {
try {
return new URL(System.getProperty("net.filebot.OpenSubtitlesXmlRpc.url", "https://api.opensubtitles.org/xml-rpc"));
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
}
protected static String encodeData(byte[] data) {
try {
DeflaterInputStream compressedDataStream = new DeflaterInputStream(new ByteArrayInputStream(data));
// compress data
ByteBufferOutputStream buffer = new ByteBufferOutputStream(data.length);
buffer.transferFully(compressedDataStream);
// base64 encode
return new String(Base64.encode(buffer.getByteArray()));
} catch (IOException e) {
// will never happen
throw new RuntimeException(e);
}
}
/**
* Check whether status is OK or not
*
* @param status
* status code and message (e.g. 200 OK, 401 Unauthorized, ...)
* @throws XmlRpcFault
* thrown if status code is not OK
*/
protected void checkResponse(Map<?, ?> response) throws XmlRpcFault {
String status = (String) response.get("status");
// if there is no status at all, assume everything was OK
if (status == null || status.equals("200 OK")) {
return;
}
try {
throw new XmlRpcFault(new Scanner(status).nextInt(), status);
} catch (NoSuchElementException e) {
throw new XmlRpcException("Illegal status code: " + status);
}
}
public static final class Query extends HashMap<String, Object> implements Serializable {
private Query(String... sublanguageids) {
put("sublanguageid", join(sublanguageids, ","));
}
public static Query forHash(String moviehash, long moviebytesize, String... sublanguageids) {
Query query = new Query(sublanguageids);
query.put("moviehash", moviehash);
query.put("moviebytesize", Long.toString(moviebytesize));
return query;
}
public static Query forTag(String tag, String... sublanguageids) {
Query query = new Query(sublanguageids);
query.put("tag", tag);
return query;
}
public static Query forImdbId(int imdbid, int season, int episode, String... sublanguageids) {
Query query = new Query(sublanguageids);
query.put("imdbid", Integer.toString(imdbid));
if (season >= 0) {
query.put("season", Integer.toString(season));
}
if (episode >= 0) {
query.put("episode", Integer.toString(episode));
}
return query;
}
}
public static final class BaseInfo extends HashMap<String, Object> {
public void setIDMovieImdb(int imdb) {
put("idmovieimdb", Integer.toString(imdb));
}
public void setSubLanguageID(String sublanguageid) {
put("sublanguageid", sublanguageid);
}
public void setMovieReleaseName(String moviereleasename) {
put("moviereleasename", moviereleasename);
}
public void setMovieAka(String movieaka) {
put("movieaka", movieaka);
}
public void setSubAuthorComment(String subauthorcomment) {
put("subauthorcomment", subauthorcomment);
}
}
public static final class SubFile extends HashMap<String, Object> {
public void setSubHash(String subhash) {
put("subhash", subhash);
}
public void setSubFileName(String subfilename) {
put("subfilename", subfilename);
}
public void setMovieHash(String moviehash) {
put("moviehash", moviehash);
}
public void setMovieByteSize(long moviebytesize) {
put("moviebytesize", Long.toString(moviebytesize));
}
public void setMovieFileName(String moviefilename) {
put("moviefilename", moviefilename);
}
public void setSubContent(byte[] data) {
put("subcontent", encodeData(data));
}
public void setMovieTimeMS(String movietimems) {
if (movietimems.length() > 0) {
put("movietimems", movietimems);
}
}
public void setMovieFPS(String moviefps) {
if (moviefps.length() > 0) {
put("moviefps", moviefps);
}
}
public void setMovieFrames(String movieframes) {
if (movieframes.length() > 0) {
put("movieframes", movieframes);
}
}
@Override
public String toString() {
return String.format("(%s, %s)", get("moviefilename"), get("subfilename"));
}
}
public static final class TryUploadResponse {
private final boolean uploadRequired;
private final List<Map<String, String>> subtitleData;
private TryUploadResponse(boolean uploadRequired, List<Map<String, String>> subtitleData) {
this.uploadRequired = uploadRequired;
this.subtitleData = subtitleData;
}
public boolean isUploadRequired() {
return uploadRequired;
}
public List<Map<String, String>> getSubtitleData() {
return subtitleData;
}
@Override
public String toString() {
return String.format("TryUploadResponse: %s => %s", uploadRequired, subtitleData);
}
}
}