public async Task OnSent(HttpSentContext context)
{
foreach (var handler in GetHandlers(HandlerType.Sent))
{
await handler(context);
}
}
public override async Task OnSent(HttpSentContext context)
{
if (!RedirectValidtor(context))
{
return;
}
var uri = context.Uri;
var redirectCount = context.Items["RedirectCount"].As <int?>().GetValueOrDefault();
if (redirectCount >= MaxAutoRedirects)
{
throw new MaximumAutoRedirectsException(context.Result, context.Request, redirectCount);
}
var newUri = GetRedirectUri(uri, context.Result);
var ctx = new RedirectContext
{
StatusCode = context.Result.StatusCode,
RequestMessage = context.Result.RequestMessage,
RedirectUri = newUri,
CurrentUri = uri,
CurrentRedirectionCount = redirectCount
};
if (ctx.RedirectUri == null)
{
return;
}
OnRedirect?.Invoke(ctx);
if (!ctx.ShouldRedirect)
{
return;
}
context.Builder.WithUri(ctx.RedirectUri);
context.Items["RedirectCount"] = redirectCount + 1;
// dispose of previous response
ObjectHelpers.Dispose(context.Result);
context.Result = await context.Builder.RecursiveResultAsync(context.Token);
}
public override async Task OnSent(HttpSentContext context)
{
if (!RetryValidator(context))
{
return;
}
var uri = context.Uri;
var retryCount = context.Items["RetryCount"].As <int?>().GetValueOrDefault();
if (retryCount >= MaxAutoRetries)
{
return;
}
var retryAfter = GetRetryAfter(context.Result);
var ctx = new RetryContext
{
StatusCode = context.Result.StatusCode,
RequestMessage = context.Result.RequestMessage,
Uri = uri,
ShouldRetry = retryAfter.HasValue,
RetryAfter = retryAfter ?? DefaultRetryAfter,
CurrentRetryCount = retryCount
};
OnRetry?.Invoke(ctx);
if (!ctx.ShouldRetry)
{
return;
}
if (ctx.RetryAfter > TimeSpan.Zero)
{
await Task.Delay(ctx.RetryAfter, context.Token);
}
context.Items["RetryCount"] = retryCount + 1;
// dispose of previous response
ObjectHelpers.Dispose(context.Result);
context.Result = await context.Builder.RecursiveResultAsync(context.Token);
}
private static bool ShouldFollow(HttpSentContext context)
{
if (!context.IsSuccessfulResponse())
{
return(false);
}
if (!FollowedStatusCodes.Contains(context.Result.StatusCode))
{
return(false);
}
if (context.Result.Headers.Location == null)
{
return(false);
}
return(true);
}
public override async Task OnSent(HttpSentContext context)
{
if (!FollowValidtor(context))
{
return;
}
var uri = context.Uri;
var locationUri = GetLocationUri(uri, context.Result);
var ctx = new FollowLocationContext
{
StatusCode = context.Result.StatusCode,
RequestMessage = context.Result.RequestMessage,
LocationUri = locationUri,
CurrentUri = uri
};
if (ctx.LocationUri == null)
{
return;
}
OnFollow?.Invoke(ctx);
if (!ctx.ShouldFollow)
{
return;
}
context.Builder.WithUri(ctx.LocationUri).AsGet().WithContent(string.Empty);
// dispose of previous response
ObjectHelpers.Dispose(context.Result);
context.Result = await context.Builder.RecursiveResultAsync(context.Token);
}
private bool ShouldRedirect(HttpSentContext context)
{
return(RedirectStatusCodes.Contains(context.Result.StatusCode));
}
public virtual Task OnSent(HttpSentContext context)
{
return(Task.FromResult(true));
}