public static StreamUrl getStreamUrl(string ID, eSoundQuality eQuality, out string Errmsg)
{
string sQua = AIGS.Common.Convert.ConverEnumToString((int)eQuality, typeof(eSoundQuality), 0);
StreamUrl oObj = get <StreamUrl>("tracks/" + ID + "/streamUrl", out Errmsg, new Dictionary <string, string>()
{
{ "soundQuality", sQua }
}, 3);
return(oObj);
}
public static string GetTrackFileName(Track track, StreamUrl stream)
{
string sName = track.Title;
string sRet = PathHelper.ReplaceLimitChar(sName, "-");
string sExt = ".m4a";
if (stream.Url.IndexOf(".flac?") > 0)
{
sExt = ".flac";
}
if (stream.Url.IndexOf(".mp4?") > 0)
{
sExt = ".mp4";
}
return(sRet.Trim() + sExt);
}
public static StreamUrl GetStreamUrl(string sID, string sQuality, out string Errmsg)
{
string sRet = Get("tracks/" + sID + "/streamUrl", out Errmsg, new Dictionary <string, string>()
{
{ "soundQuality", sQuality }
}, 3);
if (string.IsNullOrEmpty(sRet) || !string.IsNullOrEmpty(Errmsg))
{
return(null);
}
StreamUrl aRet = JsonHelper.ConverStringToObject <StreamUrl>(sRet);
return(aRet);
}
public static StreamUrl GetStreamUrl(string sID, string sQuality)
{
string sRet = Get("tracks/" + sID + "/streamUrl", new Dictionary <string, string>()
{
{ "soundQuality", sQuality }
}, 3);
if (string.IsNullOrEmpty(sRet) || !string.IsNullOrEmpty(Errmsg))
{
return(null);
}
StreamUrl aRet = JsonHelper.ConverStringToObject <StreamUrl>(sRet);
aRet.FileSize = DownloadFileHepler.GetFileLength(aRet.Url);
return(aRet);
}
public static string GetTrackFileName(Track track, StreamUrl stream)
{
string sName = track.Title;
if (!string.IsNullOrWhiteSpace(track.Version))
{
sName += '(' + track.Version + ')';
}
string sRet = PathHelper.ReplaceLimitChar(sName, "-");
string sExt = ".m4a";
if (stream.Url.IndexOf(".flac?") > 0)
{
sExt = ".flac";
}
if (stream.Url.IndexOf(".mp4?") > 0)
{
sExt = ".mp4";
}
return(sRet.Trim() + sExt);
}
public static bool DecryptTrackFile(StreamUrl stream, string filepath)
{
try
{
if (!System.IO.File.Exists(filepath))
{
return(false);
}
if (stream.EncryptionKey.IsBlank())
{
return(true);
}
byte[] master_key = System.Convert.FromBase64String("UIlTTEMmmLfGowo/UC60x2H45W6MdGgTRfo/umg4754=");
byte[] security_token = System.Convert.FromBase64String(stream.EncryptionKey);
byte[] iv = security_token.Skip(0).Take(16).ToArray();
byte[] str = security_token.Skip(16).ToArray();
byte[] dec = AESHelper.Decrypt(str, master_key, iv);
byte[] key = dec.Skip(0).Take(16).ToArray();
byte[] nonce = dec.Skip(16).Take(8).ToArray();
byte[] nonce2 = new byte[16];
nonce.CopyTo(nonce2, 0);
byte[] txt = ReadFile(filepath);
AES_CTR tool = new AES_CTR(key, nonce2);
byte[] newt = tool.DecryptBytes(txt);
bool bfalg = WriteFile(filepath, newt);
return(bfalg);
}
catch
{
return(false);
}
}