public override Task <bool> Check(DateTime startTime)
{
if (Logs != null && !Directory.Exists(Logs))
{
Directory.CreateDirectory(Logs);
}
NotifyExecutionBegin(startTime);
var tWebRequest = new Task <Tuple <bool, int> >(() =>
{
CurrentLogFile = BuildLogFileName(this.PreliminaryLogFileName(startTime));
var logWriter = CurrentLogFile != null ? new StreamWriter(CurrentLogFile, false, Encoding.UTF8) : null;
logWriter?.WriteLine("Url:".PadRight(LOG_INDENT)
+ Url);
logWriter?.WriteLine("Timeout:".PadRight(LOG_INDENT)
+ Timeout);
logWriter?.WriteLine("Start:".PadRight(LOG_INDENT)
+ startTime.ToString(TS_FORMAT));
logWriter?.WriteLine("--------------------------------------------------------------------------------");
logWriter?.Flush();
HttpWebResponse response = null;
try
{
var wr = WebRequest.CreateHttp(Url);
wr.KeepAlive = false;
if (CustomServerCertificateValidation)
{
wr.ServerCertificateValidationCallback = ServerCertificateValidationHandler;
}
if (Headers != null)
{
foreach (var headerKey in Headers.Keys)
{
wr.Headers.Set(headerKey, Headers[headerKey]);
}
}
wr.Method = WebRequestMethods.Http.Get;
wr.Timeout = (int)Timeout.TotalMilliseconds;
response = (HttpWebResponse)wr.GetResponse();
logWriter?.WriteLine("Method:".PadRight(LOG_INDENT)
+ response.Method);
logWriter?.WriteLine("Status Code:".PadRight(LOG_INDENT)
+ (int)response.StatusCode + " - " + response.StatusCode);
logWriter?.WriteLine("Response Url:".PadRight(LOG_INDENT)
+ response.ResponseUri);
logWriter?.WriteLine("Server:".PadRight(LOG_INDENT)
+ response.Server);
logWriter?.WriteLine("Content Length:".PadRight(LOG_INDENT)
+ response.ContentLength);
if (!string.IsNullOrWhiteSpace(response.ContentEncoding))
{
logWriter?.WriteLine("Content Encoding:".PadRight(LOG_INDENT)
+ response.ContentEncoding);
}
logWriter?.WriteLine("Content Type:".PadRight(LOG_INDENT)
+ response.ContentType);
if (response.CharacterSet != null)
{
logWriter?.WriteLine("Charset:".PadRight(LOG_INDENT)
+ response.CharacterSet);
}
logWriter?.WriteLine(
"--------------------------------------------------------------------------------");
logWriter?.Flush();
var responseText = ReadResponseAsString(response, out var detectedCharset);
logWriter?.WriteLine(responseText);
logWriter?.WriteLine(
"--------------------------------------------------------------------------------");
if (!string.IsNullOrWhiteSpace(detectedCharset))
{
logWriter?.WriteLine("Detected Charset:".PadRight(LOG_INDENT)
+ detectedCharset);
}
var endTime = DateTime.Now;
logWriter?.WriteLine("End:".PadRight(LOG_INDENT)
+ endTime.ToString(TS_FORMAT));
var duration = endTime - startTime;
logWriter?.WriteLine("Duration:".PadRight(LOG_INDENT)
+ duration);
if (!StatusCodes.Contains((int)response.StatusCode))
{
logWriter?.WriteLine("Error:".PadRight(LOG_INDENT)
+ "Status code not allowed: " + string.Join(", ", StatusCodes));
return(Tuple.Create(false, (int)response.StatusCode));
}
if (!RequiredPatterns.All(p => p.IsMatch(responseText)))
{
logWriter?.WriteLine("Error:".PadRight(LOG_INDENT)
+ "Required pattern did not match");
return(Tuple.Create(false, (int)response.StatusCode));
}
if (ForbiddenPatterns.Any(p => p.IsMatch(responseText)))
{
logWriter?.WriteLine("Error:".PadRight(LOG_INDENT)
+ "Forbidden pattern did match");
return(Tuple.Create(false, (int)response.StatusCode));
}
return(Tuple.Create(true, (int)response.StatusCode));
}
catch (Exception e)
{
logWriter?.WriteLine("Exception: " + e);
return(Tuple.Create(false, 0));
}
finally
{
response?.Close();
logWriter?.Close();
}
});
var tFinalizeLog = tWebRequest.ContinueWith(t =>
{
FinalizeLogFile(t.Result.Item1, t.Result.Item2);
return(t.Result);
});
var tNotify = tFinalizeLog.ContinueWith(t =>
{
NotifyExecutionFinished(t.Result.Item1);
return(t.Result.Item1);
});
tWebRequest.Start();
return(tNotify);
}
