/// <summary>
/// 获取版权以及下载链接
/// </summary>
/// <param name="session"></param>
/// <param name="bitRate"></param>
/// <param name="songIds"></param>
/// <returns></returns>
private static JObject _GetPlayerUrl(NeteaseSession session, Quality bitRate = Quality.SuperQuality, params long[] songIds)
{
IDictionary <string, object> data = new Dictionary <string, object>
{
["ids"] = songIds,
["br"] = (int)bitRate
};
CryptoHelper.Encrypted encrypted = CryptoHelper.WebApiEncrypt(data);
string json = session == null?HttpHelper.HttpPost("https://music.163.com/weapi/song/enhance/player/url", encrypted.GetFormdata(), userAgent : DefaultUserAgent) :
session.Session.HttpPost("https://music.163.com/weapi/song/enhance/player/url", encrypted.GetFormdata(), userAgent: DefaultUserAgent);
JObject j = JObject.Parse(json);
if (j["code"].ToObject <int>() == 200)
{
return(j);
}
else
{
NotImplementedException exception = new NotImplementedException($"未知的服务器返回");
exception.Data.Add("Response", j.ToString());
throw exception;
}
}
/// <summary>
/// 按给定的关键词搜索单曲
/// </summary>
/// <param name="keyWords">关键词</param>
/// <param name="pageSize">本次搜索返回的实例个数上限</param>
/// <param name="offset">偏移量</param>
public static SongInfo[] SearchSongs(NeteaseSession session, string keyWords, int pageSize = 30, int offset = 0)
{
string json = Search(keyWords, SearchType.Song, pageSize, offset);
JObject j = JObject.Parse(json);
if (j["code"].ToObject <int>() == 200)
{
SongInfo[] result = j["result"]["songs"].Select(p => new SongInfo(p)).ToArray();
IDictionary <long, bool> canPlayDic = CheckMusicStatus(session, result.Select(p => p.Id).ToArray());
foreach (SongInfo song in result)
{
if (canPlayDic.TryGetValue(song.Id, out bool canPlay))
{
song.CanPlay = canPlay;
}
}
return(result);
}
else
{
NotImplementedException exception = new NotImplementedException($"未知的服务器返回");
exception.Data.Add("Response", j.ToString());
throw exception;
}
}
/// <summary>
/// 获取歌单内的所有单曲
/// </summary>
/// <exception cref="NotImplementedException"/>
/// <param name="id">歌单Id</param>
public static SongInfo[] GetPlayList(NeteaseSession session, long id)
{
IDictionary <string, object> data = new Dictionary <string, object>()
{
["id"] = id,
["n"] = 100000,
["s"] = 8
};
CryptoHelper.Encrypted encrypted = CryptoHelper.WebApiEncrypt(data);
string json = HttpHelper.HttpPost("https://music.163.com/weapi/v3/playlist/detail", encrypted.GetFormdata(), userAgent: DefaultUserAgent);
JObject j = JObject.Parse(json);
if (j["code"].ToObject <int>() == 200)
{
SongInfo[] result = j["playlist"]["tracks"].Select(p => new SongInfo(p)).ToArray();
IDictionary <long, bool> canPlayDic = CheckMusicStatus(session, result.Select(p => p.Id).ToArray());
foreach (SongInfo song in result)
{
if (canPlayDic.TryGetValue(song.Id, out bool canPlay))
{
song.CanPlay = canPlay;
}
}
return(result);
}
else
{
NotImplementedException exception = new NotImplementedException($"未知的服务器返回");
exception.Data.Add("Response", j.ToString());
throw exception;
}
}
/// <summary>
/// 获取歌单内的所有单曲
/// </summary>
/// <exception cref="NotImplementedException"/>
/// <param name="id">歌单Id</param>
public static SongInfo[] GetPlayList(NeteaseSession session, long id)
{
IDictionary <string, object> data = new Dictionary <string, object>()
{
["id"] = id,
["n"] = 100000,
["s"] = 8
};
CryptoHelper.Encrypted encrypted = CryptoHelper.WebApiEncrypt(data);
string json = session == null?HttpHelper.HttpPost("https://music.163.com/weapi/v3/playlist/detail", encrypted.GetFormdata(), userAgent: DefaultUserAgent) :
session.Session.HttpPost("https://music.163.com/weapi/v3/playlist/detail", encrypted.GetFormdata(), userAgent: DefaultUserAgent);
JObject j = JObject.Parse(json);
int code = j["code"].ToObject <int>();
switch (code)
{
case 200:
{
SongInfo[] result = j["playlist"]["tracks"].Select(p => new SongInfo(p)).ToArray();
IDictionary <long, bool> canPlayDic = CheckMusicStatus(session, result.Select(p => p.Id).ToArray());
foreach (SongInfo song in result)
{
if (canPlayDic.TryGetValue(song.Id, out bool canPlay))
{
song.CanPlay = canPlay;
}
}
return(result);
}
case 401:
{
throw new InvalidOperationException("给定的歌单为私有歌单，非歌单所有者无权访问");
}
case 404:
{
throw new ArgumentException("给定的歌单ID无效", nameof(id));
}
default:
{
NotImplementedException exception = new NotImplementedException($"未知的服务器返回");
exception.Data.Add("Response", j.ToString());
throw exception;
}
}
}
/// <summary>
/// 批量获取单曲下载链接
/// </summary>
/// <param name="bitRate">比特率上限</param>
/// <param name="songIds">单曲IDs</param>
public static IDictionary <long, DownloadSongInfo> GetSongsUrl(NeteaseSession session, Quality bitRate = Quality.SuperQuality, params long[] songIds)
{
JObject j = _GetPlayerUrl(session, bitRate, songIds);
return(j["data"].ToDictionary(p => p["id"].ToObject <long>(), p => new DownloadSongInfo(p["id"].ToObject <long>(), p["br"].ToObject <int>(), bitRate, p["url"].ToString(), p["type"].ToString())));
}
/// <summary>
/// 检查给定ID对应的音乐有无版权
/// </summary>
/// <param name="bitRate">比特率</param>
/// <param name="songIds">音乐IDs</param>
/// <returns></returns>
public static IDictionary <long, bool> CheckMusicStatus(NeteaseSession session, params long[] songIds)
{
JObject j = _GetPlayerUrl(session, Quality.SuperQuality, songIds);
return(j["data"].ToDictionary(p => p["id"].ToObject <long>(), p => p["code"].ToObject <int>() == 200));
}