0.6.10 - Spotify is ass
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exttex
parent
3105ed6c1d
commit
676d5d45cc
23 changed files with 1000 additions and 339 deletions
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@ -1,26 +1,18 @@
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import 'package:flutter/material.dart';
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import 'package:freezer/api/deezer.dart';
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import 'package:freezer/api/download.dart';
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import 'package:freezer/api/definitions.dart';
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import 'package:freezer/settings.dart';
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import 'package:freezer/api/importer.dart';
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import 'package:html/parser.dart';
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import 'package:html/dom.dart' as dom;
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import 'package:http/http.dart' as http;
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import 'package:spotify/spotify.dart';
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import 'dart:convert';
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import 'dart:async';
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import 'dart:io';
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import 'package:url_launcher/url_launcher.dart';
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SpotifyAPI spotify = SpotifyAPI();
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class SpotifyAPI {
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SpotifyPlaylist importingSpotifyPlaylist;
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StreamController importingStream = StreamController.broadcast();
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bool doneImporting;
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class SpotifyScrapper {
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//Parse spotify URL to URI (spotify:track:1234)
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String parseUrl(String url) {
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static String parseUrl(String url) {
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Uri uri = Uri.parse(url);
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if (uri.pathSegments.length > 3) return null; //Invalid URL
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if (uri.pathSegments.length == 3) return 'spotify:${uri.pathSegments[1]}:${uri.pathSegments[2]}';
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@ -29,16 +21,16 @@ class SpotifyAPI {
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}
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//Get spotify embed url from uri
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String getEmbedUrl(String uri) => 'https://embed.spotify.com/?uri=$uri';
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static String getEmbedUrl(String uri) => 'https://embed.spotify.com/?uri=$uri';
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//https://link.tospotify.com/ or https://spotify.app.link/
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Future resolveLinkUrl(String url) async {
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static Future resolveLinkUrl(String url) async {
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http.Response response = await http.get(Uri.parse(url));
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Match match = RegExp(r'window\.top\.location = validate\("(.+)"\);').firstMatch(response.body);
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return match.group(1);
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}
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Future resolveUrl(String url) async {
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static Future resolveUrl(String url) async {
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if (url.contains("link.tospotify") || url.contains("spotify.app.link")) {
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return parseUrl(await resolveLinkUrl(url));
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}
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@ -46,7 +38,7 @@ class SpotifyAPI {
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}
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//Extract JSON data form spotify embed page
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Future<Map> getEmbedData(String url) async {
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static Future<Map> getEmbedData(String url) async {
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//Fetch
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http.Response response = await http.get(url);
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//Parse
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@ -61,7 +53,7 @@ class SpotifyAPI {
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}
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}
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Future<SpotifyPlaylist> playlist(String uri) async {
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static Future<SpotifyPlaylist> playlist(String uri) async {
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//Load data
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String url = getEmbedUrl(uri);
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Map data = await getEmbedData(url);
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@ -71,7 +63,7 @@ class SpotifyAPI {
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}
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//Get Deezer track ID from Spotify URI
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Future<String> convertTrack(String uri) async {
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static Future<String> convertTrack(String uri) async {
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Map data = await getEmbedData(getEmbedUrl(uri));
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SpotifyTrack track = SpotifyTrack.fromJson(data);
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Map deezer = await deezerAPI.callPublicApi('track/isrc:' + track.isrc);
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@ -79,75 +71,34 @@ class SpotifyAPI {
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}
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//Get Deezer album ID by UPC
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Future<String> convertAlbum(String uri) async {
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static Future<String> convertAlbum(String uri) async {
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Map data = await getEmbedData(getEmbedUrl(uri));
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SpotifyAlbum album = SpotifyAlbum.fromJson(data);
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Map deezer = await deezerAPI.callPublicApi('album/upc:' + album.upc);
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return deezer['id'].toString();
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}
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Future convertPlaylist(SpotifyPlaylist playlist, {bool downloadOnly = false, BuildContext context, AudioQuality quality}) async {
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doneImporting = false;
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importingSpotifyPlaylist = playlist;
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//Create Deezer playlist
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String playlistId;
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if (!downloadOnly)
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playlistId = await deezerAPI.createPlaylist(playlist.name, description: playlist.description);
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//Search for tracks
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List<Track> downloadTracks = [];
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for (SpotifyTrack track in playlist.tracks) {
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Map deezer;
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try {
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//Search
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deezer = await deezerAPI.callPublicApi('track/isrc:' + track.isrc);
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if (deezer.containsKey('error')) throw Exception();
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String id = deezer['id'].toString();
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//Add
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if (!downloadOnly)
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await deezerAPI.addToPlaylist(id, playlistId);
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if (downloadOnly)
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downloadTracks.add(Track(id: id));
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track.state = TrackImportState.OK;
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} catch (e) {
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//On error
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track.state = TrackImportState.ERROR;
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}
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//Download
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if (downloadOnly)
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await downloadManager.addOfflinePlaylist(
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Playlist(trackCount: downloadTracks.length, tracks: downloadTracks, title: playlist.name),
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private: false,
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quality: quality
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);
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//Add playlist id to stream, stream is for updating ui only
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importingStream.add(playlistId);
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importingSpotifyPlaylist = playlist;
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}
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doneImporting = true;
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//Return DEEZER playlist id
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return playlistId;
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}
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}
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class SpotifyTrack {
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String title;
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String artists;
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List<String> artists;
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String isrc;
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TrackImportState state = TrackImportState.NONE;
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SpotifyTrack({this.title, this.artists, this.isrc});
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//JSON
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factory SpotifyTrack.fromJson(Map json) => SpotifyTrack(
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title: json['name'],
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artists: json['artists'].map((j) => j['name']).toList().join(', '),
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artists: json['artists'].map<String>((a) => a["name"].toString()).toList(),
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isrc: json['external_ids']['isrc']
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);
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//Convert track to importer track
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ImporterTrack toImporter() {
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return ImporterTrack(title, artists, isrc: isrc);
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}
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}
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class SpotifyPlaylist {
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@ -165,6 +116,11 @@ class SpotifyPlaylist {
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image: (json['images'].length > 0) ? json['images'][0]['url'] : null,
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tracks: json['tracks']['items'].map<SpotifyTrack>((j) => SpotifyTrack.fromJson(j['track'])).toList()
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);
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//Convert to importer tracks
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List<ImporterTrack> toImporter() {
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return tracks.map((t) => t.toImporter()).toList();
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}
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}
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class SpotifyAlbum {
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@ -178,8 +134,50 @@ class SpotifyAlbum {
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);
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}
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enum TrackImportState {
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NONE,
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ERROR,
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OK
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class SpotifyAPIWrapper {
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HttpServer _server;
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SpotifyApi spotify;
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User me;
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Future authorize(String clientId, String clientSecret) async {
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//Spotify
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SpotifyApiCredentials credentials = SpotifyApiCredentials(clientId, clientSecret);
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spotify = SpotifyApi(credentials);
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//Create server
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_server = await HttpServer.bind(InternetAddress.loopbackIPv4, 42069);
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String responseUri;
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//Get URL
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final grant = SpotifyApi.authorizationCodeGrant(credentials);
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final redirectUri = "http://localhost:42069";
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final scopes = ['user-read-private', 'playlist-read-private', 'playlist-read-collaborative', 'user-library-read'];
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final authUri = grant.getAuthorizationUrl(Uri.parse(redirectUri), scopes: scopes);
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launch(authUri.toString());
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//Wait for code
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await for (HttpRequest request in _server) {
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//Exit window
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request.response.headers.set("Content-Type", "text/html; charset=UTF-8");
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request.response.write("<body><h1>You can close this page and go back to Freezer.</h1></body><script>window.close();</script>");
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request.response.close();
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//Get token
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if (request.uri.queryParameters["code"] != null) {
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_server.close();
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_server = null;
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responseUri = request.uri.toString();
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break;
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}
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}
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//Create spotify
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spotify = SpotifyApi.fromAuthCodeGrant(grant, responseUri);
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me = await spotify.me.get();
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}
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//Cancel authorization
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void cancelAuthorize() {
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if (_server != null) {
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_server.close(force: true);
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_server = null;
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}
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}
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}
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