private async Task <BedrockTokenPair> RefreshAccessToken(string refreshToken)
{
if (string.IsNullOrEmpty(refreshToken))
{
throw new ArgumentException("The refresh token is missing.");
}
try
{
AccessTokens tokens = await Get($"{RefreshUri}", new Dictionary <string, string> {
{ "client_id", ClientId },
{ "grant_type", "refresh_token" },
{ "scope", "service::user.auth.xboxlive.com::MBI_SSL" },
{ "redirect_uri", RedirectUri },
{ "refresh_token", refreshToken }
}).ConfigureAwait(false);
return(new BedrockTokenPair()
{
AccessToken = tokens.AccessToken,
ExpiryTime = DateTime.UtcNow.AddSeconds(tokens.Expiration),
RefreshToken = tokens.RefreshToken
});
}
catch (WebException ex)
{
Log.Warn("RefreshAccessToken failed likely due to an invalid client ID or refresh token\n" + ex.ToString());
}
return(null);
}
private async Task <AccessTokens> Get(string uri, Dictionary <string, string> parameters)
{
AccessTokens tokens = null;
var client = _httpClient;
var encodedContent = new FormUrlEncodedContent(parameters);
var response = await client.PostAsync(uri, encodedContent);
var res = await response.Content.ReadAsStringAsync();
tokens = JsonConvert.DeserializeObject <AccessTokens>(res);
return(tokens);
}