freezer/lib/api/deezer.dart
2021-11-01 17:41:25 +01:00

557 lines
18 KiB
Dart

import 'package:crypto/crypto.dart';
import 'package:freezer/api/definitions.dart';
import 'package:freezer/api/spotify.dart';
import 'package:freezer/settings.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';
import 'dart:async';
DeezerAPI deezerAPI = DeezerAPI();
class DeezerAPI {
DeezerAPI({this.arl});
String? arl;
String? token;
String? userId;
String? userName;
String? favoritesPlaylistId;
String? sid;
Future<bool>? _authorizing;
//Get headers
Map<String, String> get headers => {
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
"Content-Language":
'${settings.deezerLanguage ?? "en"}-${settings.deezerCountry ?? 'US'}',
"Cache-Control": "max-age=0",
"Accept": "*/*",
"Accept-Charset": "utf-8,ISO-8859-1;q=0.7,*;q=0.3",
"Accept-Language":
"${settings.deezerLanguage ?? "en"}-${settings.deezerCountry ?? 'US'},${settings.deezerLanguage ?? "en"};q=0.9,en-US;q=0.8,en;q=0.7",
"Connection": "keep-alive",
"Cookie": "arl=$arl" + ((sid == null) ? '' : '; sid=$sid')
};
//Call private API
Future<Map<dynamic, dynamic>> callApi(String method,
{Map<dynamic, dynamic>? params, String? gatewayInput}) async {
//Generate URL
Uri uri = Uri.https('www.deezer.com', '/ajax/gw-light.php', {
'api_version': '1.0',
'api_token': this.token,
'input': '3',
'method': method,
//Used for homepage
if (gatewayInput != null) 'gateway_input': gatewayInput
});
//Post
http.Response res =
await http.post(uri, headers: headers, body: jsonEncode(params));
dynamic body = jsonDecode(res.body);
//Grab SID
if (method == 'deezer.getUserData') {
for (String cookieHeader in res.headers['set-cookie']!.split(';')) {
if (cookieHeader.startsWith('sid=')) {
sid = cookieHeader.split('=')[1];
}
}
}
// In case of error "Invalid CSRF token" retrieve new one and retry the same call
if (body['error'].isNotEmpty &&
body['error'].containsKey('VALID_TOKEN_REQUIRED') &&
await rawAuthorize()) {
return callApi(method, params: params, gatewayInput: gatewayInput);
}
return body;
}
Future<Map> callPublicApi(String path) async {
Uri uri = Uri(scheme: 'https', host: 'api.deezer.com', path: '/' + path);
http.Response res = await http.get(uri);
return jsonDecode(res.body);
}
//Wrapper so it can be globally awaited
Future<bool> authorize() async => this._authorizing ??= this.rawAuthorize();
//Login with email
static Future<String?> getArlByEmail(String? email, String password) async {
//Get MD5 of password
Digest digest = md5.convert(utf8.encode(password));
String md5password = '$digest';
//Get access token
String url =
"https://tv.deezer.com/smarttv/8caf9315c1740316053348a24d25afc7/user_auth.php?login=$email&password=$md5password&device=panasonic&output=json";
http.Response response = await http.get(Uri.parse(url));
String? accessToken = jsonDecode(response.body)["access_token"];
//Get SID
url = "https://api.deezer.com/platform/generic/track/42069";
response = await http
.get(Uri.parse(url), headers: {"Authorization": "Bearer $accessToken"});
String? sid;
for (String cookieHeader in response.headers['set-cookie']!.split(';')) {
if (cookieHeader.startsWith('sid=')) {
sid = cookieHeader.split('=')[1];
}
}
if (sid == null) return null;
//Get ARL
url =
"https://deezer.com/ajax/gw-light.php?api_version=1.0&api_token=null&input=3&method=user.getArl";
response = await http.get(Uri.parse(url), headers: {"Cookie": "sid=$sid"});
return jsonDecode(response.body)["results"];
}
//Authorize, bool = success
Future<bool> rawAuthorize({Function? onError}) async {
try {
Map<dynamic, dynamic> data = await callApi('deezer.getUserData');
if (data['results']['USER']['USER_ID'] == 0) {
return false;
} else {
this.token = data['results']['checkForm'];
this.userId = data['results']['USER']['USER_ID'].toString();
this.userName = data['results']['USER']['BLOG_NAME'];
this.favoritesPlaylistId = data['results']['USER']['LOVEDTRACKS_ID'];
return true;
}
} catch (e) {
if (onError != null) onError(e);
print('Login Error (D): ' + e.toString());
return false;
}
}
//URL/Link parser
Future<DeezerLinkResponse?> parseLink(String url) async {
Uri uri = Uri.parse(url);
//https://www.deezer.com/NOTHING_OR_COUNTRY/TYPE/ID
if (uri.host == 'www.deezer.com' || uri.host == 'deezer.com') {
if (uri.pathSegments.length < 2) return null;
DeezerLinkType? type = DeezerLinkResponse.typeFromString(
uri.pathSegments[uri.pathSegments.length - 2]);
return DeezerLinkResponse(
type: type, id: uri.pathSegments[uri.pathSegments.length - 1]);
}
//Share URL
if (uri.host == 'deezer.page.link' || uri.host == 'www.deezer.page.link') {
http.BaseRequest request = http.Request('HEAD', Uri.parse(url));
request.followRedirects = false;
http.StreamedResponse response = await request.send();
String newUrl = response.headers['location']!;
return parseLink(newUrl);
}
//Spotify
if (uri.host == 'open.spotify.com') {
if (uri.pathSegments.length < 2) return null;
String spotifyUri = 'spotify:' + uri.pathSegments.sublist(0, 2).join(':');
try {
//Tracks
if (uri.pathSegments[0] == 'track') {
String id = await SpotifyScrapper.convertTrack(spotifyUri);
return DeezerLinkResponse(type: DeezerLinkType.TRACK, id: id);
}
//Albums
if (uri.pathSegments[0] == 'album') {
String id = await SpotifyScrapper.convertAlbum(spotifyUri);
return DeezerLinkResponse(type: DeezerLinkType.ALBUM, id: id);
}
} catch (e) {}
}
}
//Check if Deezer available in country
static Future<bool?> chceckAvailability() async {
try {
http.Response res =
await http.get(Uri.parse('https://api.deezer.com/infos'));
return jsonDecode(res.body)["open"];
} catch (e) {
return null;
}
}
//Search
Future<SearchResults> search(String? query) async {
Map<dynamic, dynamic> data = await callApi('deezer.pageSearch',
params: {'nb': 128, 'query': query, 'start': 0});
return SearchResults.fromPrivateJson(data['results']);
}
Future<Track> track(String? id) async {
Map<dynamic, dynamic> data = await callApi('song.getListData', params: {
'sng_ids': [id]
});
return Track.fromPrivateJson(data['results']['data'][0]);
}
//Get album details, tracks
Future<Album> album(String? id) async {
Map<dynamic, dynamic> data = await callApi('deezer.pageAlbum', params: {
'alb_id': id,
'header': true,
'lang': settings.deezerLanguage ?? 'en'
});
return Album.fromPrivateJson(data['results']['DATA'],
songsJson: data['results']['SONGS']);
}
//Get artist details
Future<Artist> artist(String? id) async {
Map<dynamic, dynamic> data = await callApi('deezer.pageArtist', params: {
'art_id': id,
'lang': settings.deezerLanguage ?? 'en',
});
return Artist.fromPrivateJson(data['results']['DATA'],
topJson: data['results']['TOP'],
albumsJson: data['results']['ALBUMS'],
highlight: data['results']['HIGHLIGHT']);
}
//Get playlist tracks at offset
Future<List<Track>?> playlistTracksPage(String? id, int start,
{int nb = 50}) async {
Map data = await callApi('deezer.pagePlaylist', params: {
'playlist_id': id,
'lang': settings.deezerLanguage ?? 'en',
'nb': nb,
'tags': true,
'start': start
});
return data['results']['SONGS']['data']
.map<Track>((json) => Track.fromPrivateJson(json))
.toList();
}
//Get playlist details
Future<Playlist> playlist(String? id, {int nb = 100}) async {
Map<dynamic, dynamic> data = await callApi('deezer.pagePlaylist', params: {
'playlist_id': id,
'lang': settings.deezerLanguage ?? 'en',
'nb': nb,
'tags': true,
'start': 0
});
return Playlist.fromPrivateJson(data['results']['DATA'],
songsJson: data['results']['SONGS']);
}
//Get playlist with all tracks
Future<Playlist> fullPlaylist(String? id) async {
return await playlist(id, nb: 100000);
}
//Add track to favorites
Future addFavoriteTrack(String id) async {
await callApi('favorite_song.add', params: {'SNG_ID': id});
}
//Add album to favorites/library
Future addFavoriteAlbum(String? id) async {
await callApi('album.addFavorite', params: {'ALB_ID': id});
}
//Add artist to favorites/library
Future addFavoriteArtist(String? id) async {
await callApi('artist.addFavorite', params: {'ART_ID': id});
}
//Remove artist from favorites/library
Future removeArtist(String? id) async {
await callApi('artist.deleteFavorite', params: {'ART_ID': id});
}
// Mark track as disliked
Future dislikeTrack(String id) async {
await callApi('favorite_dislike.add', params: {'ID': id, 'TYPE': 'song'});
}
//Add tracks to playlist
Future addToPlaylist(String trackId, String? playlistId,
{int offset = -1}) async {
await callApi('playlist.addSongs', params: {
'offset': offset,
'playlist_id': playlistId,
'songs': [
[trackId, 0]
]
});
}
//Remove track from playlist
Future removeFromPlaylist(String trackId, String? playlistId) async {
await callApi('playlist.deleteSongs', params: {
'playlist_id': playlistId,
'songs': [
[trackId, 0]
]
});
}
//Get users playlists
Future<List<Playlist>> getPlaylists() async {
Map data = await callApi('deezer.pageProfile',
params: {'nb': 100, 'tab': 'playlists', 'user_id': this.userId});
return data['results']['TAB']['playlists']['data']
.map<Playlist>((json) => Playlist.fromPrivateJson(json, library: true))
.toList();
}
//Get favorite albums
Future<List<Album>> getAlbums() async {
Map data = await callApi('deezer.pageProfile',
params: {'nb': 50, 'tab': 'albums', 'user_id': this.userId});
List albumList = data['results']['TAB']['albums']['data'];
List<Album> albums = albumList
.map<Album>((json) => Album.fromPrivateJson(json, library: true))
.toList();
return albums;
}
//Remove album from library
Future removeAlbum(String? id) async {
await callApi('album.deleteFavorite', params: {'ALB_ID': id});
}
//Remove track from favorites
Future removeFavorite(String id) async {
await callApi('favorite_song.remove', params: {'SNG_ID': id});
}
//Get favorite artists
Future<List<Artist>?> getArtists() async {
Map data = await callApi('deezer.pageProfile',
params: {'nb': 40, 'tab': 'artists', 'user_id': this.userId});
return data['results']['TAB']['artists']['data']
.map<Artist>((json) => Artist.fromPrivateJson(json, library: true))
.toList();
}
//Get lyrics by track id
Future<Lyrics> lyrics(String? trackId) async {
Map data = await callApi('song.getLyrics', params: {'sng_id': trackId});
if (data['error'] != null && data['error'].length > 0)
return Lyrics.error();
return Lyrics.fromPrivateJson(data['results']);
}
Future<SmartTrackList> smartTrackList(String? id) async {
Map data = await callApi('deezer.pageSmartTracklist',
params: {'smarttracklist_id': id});
return SmartTrackList.fromPrivateJson(data['results']['DATA'],
songsJson: data['results']['SONGS']);
}
Future<List<Track>?> flow() async {
Map data = await callApi('radio.getUserRadio', params: {'user_id': userId});
return data['results']['data']
.map<Track>((json) => Track.fromPrivateJson(json))
.toList();
}
//Get homepage/music library from deezer
Future<HomePage> homePage() async {
List grid = [
'album',
'artist',
'channel',
'flow',
'playlist',
'radio',
'show',
'smarttracklist',
'track',
'user'
];
Map data = await callApi('page.get',
gatewayInput: jsonEncode({
"PAGE": "home",
"VERSION": "2.3",
"SUPPORT": {
/*
"deeplink-list": ["deeplink"],
"list": ["episode"],
"grid-preview-one": grid,
"grid-preview-two": grid,
"slideshow": grid,
"message": ["call_onboarding"],
*/
"grid": grid,
"horizontal-grid": grid,
"item-highlight": ["radio"],
"large-card": ["album", "playlist", "show", "video-link"],
"ads": [] //Nope
},
"LANG": settings.deezerLanguage ?? 'en',
"OPTIONS": []
}));
return HomePage.fromPrivateJson(data['results']);
}
//Log song listen to deezer
Future logListen(String trackId) async {
await callApi('log.listen', params: {
'params': {
'timestamp': DateTime.now().millisecondsSinceEpoch,
'ts_listen': DateTime.now().millisecondsSinceEpoch,
'type': 1,
'stat': {'seek': 0, 'pause': 0, 'sync': 1},
'media': {'id': trackId, 'type': 'song', 'format': 'MP3_128'}
}
});
}
Future<HomePage> getChannel(String? target) async {
List grid = [
'album',
'artist',
'channel',
'flow',
'playlist',
'radio',
'show',
'smarttracklist',
'track',
'user'
];
Map data = await callApi('page.get',
gatewayInput: jsonEncode({
'PAGE': target,
"VERSION": "2.3",
"SUPPORT": {
/*
"deeplink-list": ["deeplink"],
"list": ["episode"],
"grid-preview-one": grid,
"grid-preview-two": grid,
"slideshow": grid,
"message": ["call_onboarding"],
*/
"grid": grid,
"horizontal-grid": grid,
"item-highlight": ["radio"],
"large-card": ["album", "playlist", "show", "video-link"],
"ads": [] //Nope
},
"LANG": settings.deezerLanguage ?? 'en',
"OPTIONS": []
}));
return HomePage.fromPrivateJson(data['results']);
}
//Add playlist to library
Future addPlaylist(String id) async {
await callApi('playlist.addFavorite',
params: {'parent_playlist_id': int.parse(id)});
}
//Remove playlist from library
Future removePlaylist(String id) async {
await callApi('playlist.deleteFavorite',
params: {'playlist_id': int.parse(id)});
}
//Delete playlist
Future deletePlaylist(String? id) async {
await callApi('playlist.delete', params: {'playlist_id': id});
}
//Create playlist
//Status 1 - private, 2 - collaborative
Future<String> createPlaylist(String? title,
{String? description = "",
int? status = 1,
List<String> trackIds = const []}) async {
Map data = await callApi('playlist.create', params: {
'title': title,
'description': description,
'songs': trackIds
.map<List>((id) => [int.parse(id), trackIds.indexOf(id)])
.toList(),
'status': status
});
//Return playlistId
return data['results'].toString();
}
//Get part of discography
Future<List<Album>?> discographyPage(String artistId,
{int start = 0, int nb = 50}) async {
Map data = await callApi('album.getDiscography', params: {
'art_id': int.parse(artistId),
'discography_mode': 'all',
'nb': nb,
'start': start,
'nb_songs': 30
});
return data['results']['data']
.map<Album>((a) => Album.fromPrivateJson(a))
.toList();
}
Future<List?> searchSuggestions(String? query) async {
Map data =
await callApi('search_getSuggestedQueries', params: {'QUERY': query});
return data['results']['SUGGESTION'].map((s) => s['QUERY']).toList();
}
//Get smart radio for artist id
Future<List<Track>?> smartRadio(String artistId) async {
Map data = await callApi('smart.getSmartRadio',
params: {'art_id': int.parse(artistId)});
return data['results']['data']
.map<Track>((t) => Track.fromPrivateJson(t))
.toList();
}
//Update playlist metadata, status = see createPlaylist
Future updatePlaylist(String id, String title, String description,
{int? status = 1}) async {
await callApi('playlist.update', params: {
'description': description,
'title': title,
'playlist_id': int.parse(id),
'status': status,
'songs': []
});
}
//Get shuffled library
Future<List<Track>?> libraryShuffle({int start = 0}) async {
Map data = await callApi('tracklist.getShuffledCollection',
params: {'nb': 50, 'start': start});
return data['results']['data']
.map<Track>((t) => Track.fromPrivateJson(t))
.toList();
}
//Get similar tracks for track with id [trackId]
Future<List<Track>?> playMix(String? trackId) async {
Map data = await callApi('song.getContextualTrackMix', params: {
'sng_ids': [trackId]
});
return data['results']['data']
.map<Track>((t) => Track.fromPrivateJson(t))
.toList();
}
Future<List<ShowEpisode>?> allShowEpisodes(String? showId) async {
Map data = await callApi('deezer.pageShow', params: {
'country': settings.deezerCountry,
'lang': settings.deezerLanguage,
'nb': 1000,
'show_id': showId,
'start': 0,
'user_id': int.parse(deezerAPI.userId!)
});
return data['results']['EPISODES']['data']
.map<ShowEpisode>((e) => ShowEpisode.fromPrivateJson(e))
.toList();
}
}