private async Task <LoginInfo> Authorize(string code)
{
Uri uri = new Uri("https://api.weibo.com/oauth2/access_token");
List <KeyValuePair <string, string> > pairs = new List <KeyValuePair <string, string> >();
pairs.Add(new KeyValuePair <string, string>("client_id", appInfo.Key));
pairs.Add(new KeyValuePair <string, string>("client_secret", appInfo.Secret));
pairs.Add(new KeyValuePair <string, string>("grant_type", "authorization_code"));
pairs.Add(new KeyValuePair <string, string>("code", code));
pairs.Add(new KeyValuePair <string, string>("redirect_uri", appInfo.RedirectUri));
HttpFormUrlEncodedContent content = new HttpFormUrlEncodedContent(pairs);
using (HttpClient client = new HttpClient())
{
DateTime time = DateTime.Now;
HttpResponseMessage response;
try
{
response = await client.PostAsync(uri, content);
}
catch (Exception ex)
{
throw new Exception("network error", ex);
}
string resultJson = await response.Content.ReadAsStringAsync();
var tokenResult = JsonConvertHelper.JsonDeserialize <TokenResult>(resultJson);
LoginInfo.AccessToken = tokenResult.AccessToken;
LoginInfo.ExpiresIn = tokenResult.ExpiresIn;
LoginInfo.ExpiresAt = Untils.ToTimestamp(time) + tokenResult.ExpiresIn;
LoginInfo.User = tokenResult.Uid;
return(LoginInfo);
}
}
internal static async Task <T> ReadAsJsonAsync <T>(this IHttpContent content)
{
string json = await content.ReadAsStringAsync();
return(JsonConvertHelper.JsonDeserialize <T>(json));
}