public async Task Invoke(HttpContext context)
{
var instanceLogger = AcmeCertificateManager.GetInstanceLogger();
if (instanceLogger == null)
{
throw new NullReferenceException("Instance Logger null on AcmeCertificationManger.");
}
try
{
context.Response.Headers.Add("Date", DateTime.UtcNow.ToJSONString());
var requestPath = context.Request.PathBase + context.Request.Path;
_storage.Init(_settings, instanceLogger);
instanceLogger.AddCustomEvent(Core.PlatformSupport.LogLevel.Verbose, "AcmeResponseMiddleware_Invoke", $"Received request", requestPath.Value.ToKVP("requestPath"));
if (requestPath.StartsWithSegments(AcmeResponsePath, out PathString requestPathId))
{
var challenge = requestPathId.Value.TrimStart('/');
instanceLogger.AddCustomEvent(Core.PlatformSupport.LogLevel.Verbose, "AcmeResponseMiddleware_Invoke", $"Received request", challenge.ToKVP("challenge"), requestPath.Value.ToKVP("requestPath"));
var response = await _storage.GetResponseAsync(challenge);
if (!string.IsNullOrEmpty(response))
{
instanceLogger.AddCustomEvent(Core.PlatformSupport.LogLevel.Verbose, "AcmeResponseMiddleware_Invoke", "Found challenge and sent response", response.ToKVP("response"), challenge.ToKVP("challenge"));
context.Response.ContentType = "text/plain";
context.Response.StatusCode = 200;
await context.Response.WriteAsync(response);
}
else
{
instanceLogger.AddError("AcmeResponseMiddleware_Invoke", "Could not find challenge", challenge.ToKVP("challenge"));
context.Response.StatusCode = 404;
}
}
else
{
await _next.Invoke(context);
}
}
catch (Exception ex)
{
instanceLogger.AddException("AcmeResponseMiddleware_Invoke", ex, context.Request.Path.ToString().ToKVP("path"));
}
}
public async Task Invoke(HttpContext context)
{
var requestPath = context.Request.PathBase + context.Request.Path;
_logger.LogWarning($"Received request {requestPath}");
if (requestPath.StartsWithSegments(AcmeResponsePath, out PathString requestPathId))
{
var challenge = requestPathId.Value.TrimStart('/');
if (_settings.Diagnostics)
{
_logger.LogWarning($"[AcmeResponseMiddleWare] Acme challenge received on {requestPath}, challenge id = {challenge}");
}
var response = await _storage.GetResponseAsync(challenge);
if (!string.IsNullOrEmpty(response))
{
if (_settings.Diagnostics)
{
_logger.LogWarning($"[AcmeResponseMiddleWare] Acme challenge response found: {response}");
}
context.Response.ContentType = "text/plain";
context.Response.StatusCode = 200;
await context.Response.WriteAsync(response);
}
else
{
if (_settings.Diagnostics)
{
_logger.LogError($"[AcmeResponseMiddleWare] !!!! Error: Acme challenge response for challenge id {challenge} NOT FOUND!");
}
context.Response.StatusCode = 404;
}
}
else
{
await _next.Invoke(context);
}
}