public static async Task <string> RefreshAccessToken(this CustomHttpClient client, string refreshToken)
{
var refreshMessage = new HttpRequestMessage(HttpMethod.Post, "/oauth2/v4/token")
{
Content = new FormUrlEncodedContent(new KeyValuePair <string, string>[]
{
//new KeyValuePair<string, string>("client_id", _configuration["Authentication:Google:ClientId"]),
//new KeyValuePair<string, string>("client_secret", _configuration["Authentication:Google:ClientSecret"]),
//new KeyValuePair<string, string>("refresh_token", refreshToken),
//new KeyValuePair<string, string>("grant_type", "refresh_token")
})
};
var response = await client.SendAsync(refreshMessage);
if (response.IsSuccessStatusCode)
{
//var tokenResponse = await response.Content.ReadAsAsync<TokenResponse>();
var tokenResponse = new TokenResponse();
return(tokenResponse.AccessToken);
}
// return null if we cannot request a new token
return(null);
}
//public static CustomHttpClient Set
//public static AsyncRetryPolicy CreateTokenRefreshPolicy(this CustomHttpClient client, Func<DelegateResult<HttpResponseMessage>, int, Context, Task> refreshToken)
//{
// var policy = Policy
// .Handle<Exception>(ex => ex is HttpRequestException)
// //.HandleResult(message => message.StatusCode == HttpStatusCode.Unauthorized)
// .RetryAsync(1, async (result, retryCount, context) =>
// {
// await refreshToken(result, retryCount, context);
// });
// return policy;
//}
public static AsyncRetryPolicy CreateTokenRefreshPolicy(this CustomHttpClient client, Func <Exception, int, Context, Task> refreshToken)
{
var policy = Policy
.Handle <Exception>(ex => ex is HttpRequestException)
//.HandleResult(message => message.StatusCode == HttpStatusCode.Unauthorized)
.RetryAsync(1, async(result, retryCount, context) =>
{
await refreshToken(result, retryCount, context);
});
return(policy);
}
public static CustomHttpClient AddPolicy(this CustomHttpClient client, IAsyncPolicy policy)
{
client.Policies.Add(policy);
return(client);
}
