private static async Task ThrowIfFatalResponse(HttpResponseMessage response)
{
if (response.StatusCode == HttpStatusCode.BadRequest ||
response.StatusCode == HttpStatusCode.Unauthorized ||
response.StatusCode == HttpStatusCode.Forbidden ||
(int)response.StatusCode == 429 || // TooManyRequests
response.StatusCode == HttpStatusCode.InternalServerError ||
response.StatusCode == HttpStatusCode.ServiceUnavailable)
{
// Attempt to read the error information
BackblazeErrorResponse errorResponse =
await response.Content.TryReadAsJsonAsync <BackblazeErrorResponse>();
if (errorResponse != null)
{
throw new BackblazeB2HttpException(errorResponse);
}
throw new BackblazeB2HttpException(
"<Failed to read error content>",
(int)response.StatusCode,
"unknown");
}
}
private async Task <HttpResponseMessage> SendRequestAsync(
HttpRequestMessage request,
HttpClient client)
{
LogRequest(request, client.BaseAddress);
LogApiCallCounter(request);
HttpResponseMessage response = await client.SendAsync(request).ConfigureAwait(false);
LogResponse(response);
// Check for token refresh
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
BackblazeErrorResponse errorResponse =
await response.Content.TryReadAsJsonAsync <BackblazeErrorResponse>();
if (errorResponse.Code == Constants.ErrorCodes.ExpiredAuthToken ||
// [2018/08/09][ It appears that if the access token is old enough, it will return
// a code of unauthorized instead of expired_auth_token.
errorResponse.Code == "unauthorized")
{
// Refresh the auth token
await AuthorizeAccount();
HttpRequestMessage newRequest = await request.Clone().ConfigureAwait(false);
newRequest.Headers.Remove("Authorization");
newRequest.Headers.TryAddWithoutValidation(
"Authorization",
this.connectionInfo.AuthorizationToken.GetDecrytped());
LogRequest(newRequest, client.BaseAddress);
// Dispose of the previous response before creating the new one
response.Dispose();
LogApiCallCounter(newRequest);
response = await client.SendAsync(newRequest).ConfigureAwait(false);
LogResponse(response);
}
}
// Any failures (including those from re-issuing after a request) will be handled here
if (!response.IsSuccessStatusCode)
{
// Attempt to read the error information
BackblazeErrorResponse errorResponse =
await response.Content.TryReadAsJsonAsync <BackblazeErrorResponse>();
if (errorResponse != null)
{
throw new BackblazeB2HttpException(errorResponse);
}
throw new BackblazeB2HttpException(
"<Failed to read error content>",
(int)response.StatusCode,
"unknown");
}
return(response);
}
public BackblazeB2HttpException(BackblazeErrorResponse error)
: this(error.Message, error.Status, error.Code)
{
}