public async Task <FbToken> GetApplicationToken()
{
if (_applicationTokenCache != null && _applicationTokenCache.Item2 > DateTime.UtcNow)
{
return(_applicationTokenCache.Item1);
}
FacebookClient client = new FacebookClient();
FbToken fbToken = null;
try
{
dynamic result = client.Post("oauth/access_token", new
{
client_id = AppSettings.FacebookClientId,
client_secret = AppSettings.FacebookClientSecret,
grant_type = "client_credentials",
});
fbToken = new FbToken
{
AccessToken = result.access_token,
Type = result.token_type,
ExpiresIn = result.expires_in
};
}
catch (FacebookOAuthException ex)
{
throw SocialExceptions.FacebookOauthException(ex);
}
//HttpClient client = new HttpClient();
//string url =
// string.Format(
// "https://graph.facebook.com/v2.9/oauth/access_token?client_id={0}&client_secret={1}&grant_type=client_credentials",
// AppSettings.FacebookClientId,
// AppSettings.FacebookClientSecret
// );
//HttpResponseMessage response = await client.GetAsync(url);
//response.EnsureSuccessStatusCode();
//var jsonRes = await response.Content.ReadAsStringAsync();
//var fbToken = JsonConvert.DeserializeObject<FbToken>(jsonRes);
_applicationTokenCache = new Tuple <FbToken, DateTime>(fbToken, DateTime.UtcNow.AddHours(1));
return(fbToken);
}
public async Task <FbUser> GetUserInfo(string fbUserId)
{
FbToken token = await GetApplicationToken();
return(await GetUserInfo(token.AccessToken, fbUserId));
}
