/// <summary>
/// 获取token
/// </summary>
/// <param name="code"></param>
/// <param name="state"></param>
/// <returns></returns>
public async Task <string> GetToken(string code, string state, string host)
{
string authCode = System.Convert.ToBase64String(Encoding.ASCII.GetBytes($"{ElemeOptions.Key}:{ElemeOptions.Secret}"));
client.AddAuthorization("Basic", authCode);
Dictionary <string, string> dic = new Dictionary <string, string>();
dic.Add("grant_type", "authorization_code");
dic.Add("code", code);
string returnUrl = "http://" + host + "/api/elmpoi/authcallback";
//returnUrl = HttpUtility.UrlEncode(returnUrl);
dic.Add("redirect_uri", returnUrl);
dic.Add("client_id", ElemeOptions.Key);
var res = await client.PostFormAsync(ElemeOptions.GetAuthTokenUrl(), dic);
if (res.StatusCode == System.Net.HttpStatusCode.OK)
{
return(res.Result);
}
else
{
throw new Exception(res.ErrorMessage);
}
}