public ElmahIoMiddleware(RequestDelegate next, IBackgroundTaskQueue queue, IOptions <ElmahIoOptions> options)
{
_next = next;
_queue = queue;
_options = options.Value;
_options.ApiKey.AssertApiKey();
_options.LogId.AssertLogId();
}
private static string Detail(Exception exception, ElmahIoOptions options)
{
if (exception == null)
{
return(null);
}
return(options.ExceptionFormatter != null
? options.ExceptionFormatter.Format(exception)
: exception.ToString());
}
public static HttpClientHandler GetHttpClientHandler(ElmahIoOptions options)
{
if (DateTime.Now.Subtract(_initTime) > _lifeTime || _instance == null)
{
_instance = new HttpClientHandler
{
UseProxy = options.WebProxy != null,
Proxy = options.WebProxy,
};
_initTime = DateTime.Now;
}
return(_instance);
}
public static void Ship(Exception exception, string title, HttpContext context, ElmahIoOptions options, IBackgroundTaskQueue queue)
{
var baseException = exception?.GetBaseException();
var createMessage = new CreateMessage
{
DateTime = DateTime.UtcNow,
Detail = Detail(exception, options),
Type = baseException?.GetType().FullName,
Title = title,
Data = exception?.ToDataList(),
Cookies = Cookies(context),
Form = Form(context),
Hostname = context.Request?.Host.Host,
ServerVariables = ServerVariables(context),
StatusCode = StatusCode(exception, context),
Url = context.Request?.Path.Value,
QueryString = QueryString(context),
Method = context.Request?.Method,
Severity = Severity(exception, context),
Source = Source(baseException),
Application = options.Application,
};
TrySetUser(context, createMessage);
if (options.OnFilter != null && options.OnFilter(createMessage))
{
return;
}
queue.QueueBackgroundWorkItem(async token =>
{
var elmahioApi = new ElmahioAPI(new ApiKeyCredentials(options.ApiKey), HttpClientHandlerFactory.GetHttpClientHandler(new Client.ElmahIoOptions
{
WebProxy = options.WebProxy
}));
elmahioApi.HttpClient.Timeout = new TimeSpan(0, 0, 5);
elmahioApi.HttpClient.DefaultRequestHeaders.UserAgent.Clear();
elmahioApi.HttpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue(new ProductHeaderValue("Elmah.Io.AspNetCore", _assemblyVersion)));
elmahioApi.Messages.OnMessage += (sender, args) =>
{
options.OnMessage?.Invoke(args.Message);
};
elmahioApi.Messages.OnMessageFail += (sender, args) =>
{
options.OnError?.Invoke(args.Message, args.Error);
};
try
{
await elmahioApi.Messages.CreateAndNotifyAsync(options.LogId, createMessage);
}
catch (Exception e)
{
options.OnError?.Invoke(createMessage, e);
// If there's a Exception while generating the error page, re-throw the original exception.
}
});
}