protected override async ValueTask <byte[]> DownloadDataAsync(LyricDownloaderArgs args)
{
var searchResult = await _warpHttpClient.GetAsync <SongSearchResponse>(
QQSearchMusicUrl,
new SongSearchRequest(args.SongName, args.Artist));
ValidateSongSearchResponse(searchResult, args);
var lyricJsonString = await _warpHttpClient.GetAsync(QQGetLyricUrl,
new GetLyricRequest(searchResult.Data.Song.SongItems.FirstOrDefault()?.SongId),
op => op.Headers.Referrer = new Uri(QQMusicRequestReferer));
return(Encoding.UTF8.GetBytes(lyricJsonString));
}
protected override async ValueTask <byte[]> DownloadDataAsync(LyricDownloaderArgs args)
{
var searchResult = await _warpHttpClient.GetAsync <SongSearchResponse>(KuGouSearchMusicUrl,
new SongSearchRequest(args.SongName, args.Artist));
ValidateSongSearchResponse(searchResult, args);
// 获得特殊的 AccessToken 与 Id，真正请求歌词数据。
var accessKeyResponse = await _warpHttpClient.GetAsync <GetLyricAccessKeyResponse>(KuGouGetLyricAccessKeyUrl,
new GetLyricAccessKeyRequest(searchResult.Data.List[0].FileHash));
var accessKeyObject = accessKeyResponse.AccessKeyDataObjects[0];
var lyricResponse = await _warpHttpClient.GetAsync(KuGouGetLyricUrl,
new GetLyricRequest(accessKeyObject.Id, accessKeyObject.AccessKey));
return(Encoding.UTF8.GetBytes(lyricResponse));
}
protected override async ValueTask <byte[]> DownloadDataAsync(LyricDownloaderArgs args)
{
var searchResult = await _warpHttpClient.PostAsync <SongSearchResponse>(
NetEaseSearchMusicUrl,
new SongSearchRequest(args.SongName, args.Artist),
true,
msg =>
{
msg.Headers.Referrer = new Uri(NetEaseRequestReferer);
if (msg.Content != null)
{
msg.Content.Headers.ContentType = MediaTypeHeaderValue.Parse(NetEaseRequestContentType);
}
});
ValidateSongSearchResponse(searchResult, args);
var lyricResponse = await _warpHttpClient.GetAsync(
NetEaseGetLyricUrl,
new GetLyricRequest(searchResult.GetFirstMatchSongId(args.SongName)),
msg => msg.Headers.Referrer = new Uri(NetEaseRequestReferer));
return(Encoding.UTF8.GetBytes(lyricResponse));
}
protected virtual void ValidateSongSearchResponse(SongSearchResponse response, LyricDownloaderArgs args)
{
if (response?.StatusCode != SongSearchResponseStatusCode.Success)
{
throw new ErrorCodeException(ErrorCodes.TheReturnValueIsIllegal, attachObj: args);
}
if (response.Items?.SongCount <= 0)
{
throw new ErrorCodeException(ErrorCodes.NoMatchingSong, attachObj: args);
}
}
protected override async ValueTask <LyricItemCollection> GenerateLyricAsync(byte[] data, LyricDownloaderArgs args)
{
await ValueTask.CompletedTask;
var json = JsonConvert.DeserializeObject <GetLyricResponse>(Encoding.UTF8.GetString(data));
if (json?.OriginalLyric == null)
{
return(new LyricItemCollection(null));
}
if (json.OriginalLyric.Text.Contains("纯音乐，请欣赏"))
{
return(new LyricItemCollection(null));
}
return(_lyricItemCollectionFactory.Build(
json.OriginalLyric.Text,
json.TranslationLyric.Text));
}
protected virtual void ValidateSongSearchResponse(SongSearchResponse response, LyricDownloaderArgs args)
{
if (response.ErrorCode != 0 && response.Status != 1 || response.Data.List == null)
{
throw new ErrorCodeException(ErrorCodes.NoMatchingSong, attachObj: args);
}
}
protected override async ValueTask <LyricItemCollection> GenerateLyricAsync(byte[] data, LyricDownloaderArgs args)
{
await ValueTask.CompletedTask;
var lyricJsonObj = JObject.Parse(Encoding.UTF8.GetString(data));
if (lyricJsonObj.SelectToken("$.status").Value <int>() != 200)
{
throw new ErrorCodeException(ErrorCodes.NoMatchingSong, attachObj: args);
}
var lyricText = Encoding.UTF8.GetString(Convert.FromBase64String(lyricJsonObj.SelectToken("$.content").Value <string>()));
return(_lyricItemCollectionFactory.Build(lyricText));
}
protected virtual void ValidateSongSearchResponse(SongSearchResponse response, LyricDownloaderArgs args)
{
if (response is not {
StatusCode : 0
} || response.Data.Song.SongItems == null)
protected override async ValueTask <LyricItemCollection> GenerateLyricAsync(byte[] data, LyricDownloaderArgs args)
{
await ValueTask.CompletedTask;
var lyricJsonString = Encoding.UTF8.GetString(data);
lyricJsonString = lyricJsonString.Replace(@"MusicJsonCallback(", string.Empty).TrimEnd(')');
if (lyricJsonString.Contains("\"code\":-1901"))
{
throw new ErrorCodeException(ErrorCodes.NoMatchingSong, attachObj: args);
}
if (lyricJsonString.Contains("此歌曲为没有填词的纯音乐，请您欣赏"))
{
return(_lyricItemCollectionFactory.Build(null));
}
var lyricJsonObj = JObject.Parse(lyricJsonString);
var sourceLyric = HttpUtility.HtmlDecode(HttpUtility.HtmlDecode(lyricJsonObj.SelectToken("$.lyric").Value <string>()));
var translateLyric = HttpUtility.HtmlDecode(HttpUtility.HtmlDecode(lyricJsonObj.SelectToken("$.trans").Value <string>()));
return(_lyricItemCollectionFactory.Build(sourceLyric, translateLyric));
}
