private async Task <string> GetAuthorizeCodeAsync()
{
Uri uri = new Uri("https://api.weibo.com/oauth2/authorize");
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>("redirect_uri", appInfo.RedirectUri));
pairs.Add(new KeyValuePair <string, string>("display", Untils.GetDisplay()));
uri = Untils.AddHeader(uri, pairs);
WebAuthenticationResult result = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, uri, new Uri(appInfo.RedirectUri));
string code = "";
switch (result.ResponseStatus)
{
case WebAuthenticationStatus.Success:
code = new Uri(result.ResponseData).GetQueryParameter("code");
break;
case WebAuthenticationStatus.UserCancel:
throw new Exception("user cancel authorize");
case WebAuthenticationStatus.ErrorHttp:
throw new Exception("http connection error");
default:
throw new Exception("unknow error");
}
return(code);
}
private async Task 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 json = await response.Content.ReadAsStringAsync();
JObject accessToken = JsonConvert.DeserializeObject <JObject>(json);
UserInfo.Token = accessToken["access_token"].ToString();
UserInfo.ExpiresAt = Untils.ToTimestamp(time) + (long)accessToken["expires_in"];
UserInfo.Uid = accessToken["uid"].ToString();
}
}
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);
}
}
