public async Task <IActionResult> Analyze(string messageId)
{
var(mail, uniqueId) = await _mailKitRepository.GetUnreadEmailByIdAsync(messageId).ConfigureAwait(false);
var receivedHeaders = mail.Headers.Where(header => header.Field == "Received").ToList();
var receivedDatesAsString = receivedHeaders.Select(header => header.Value.Split(";")[1].Trim().Substring(0, 31)).ToList();
var receivedDates = receivedDatesAsString.Select(date => DateTimeOffset.Parse(date, CultureInfo.CurrentCulture)).OrderBy(date => date).ToList();
var authorizationResultsHeaders = mail.Headers.Where(header => header.Field == "Authentication-Results");
var authorizationResultsHeadersValues = authorizationResultsHeaders.Select(authorizationResultsHeader => authorizationResultsHeader.Value).ToList();
var senderPolicyFrameworkProtocolsResults = _informationExtractorService.GetSenderPolicyFrameworkResults(authorizationResultsHeadersValues);
var domainKeysIdentifiedMailProtocolsResults = _informationExtractorService.GetDomainKeysIdentifiedMailResults(authorizationResultsHeadersValues);
var domainBasedMessageAuthenticationReportingConformanceProtocolsResults = _informationExtractorService.GetDomainBasedMessageAuthenticationReportingConformanceResults(authorizationResultsHeadersValues);
// https://developers.virustotal.com/v3.0/reference#file-info see how to analize files
var attachmentsNames = mail.Attachments.Select(attachment => attachment.ContentDisposition.FileName);
var fileExtensions = attachmentsNames.Select(attachmentsName => Path.GetExtension(attachmentsName).ToLower());
var vector = new int[8];
var receivedDatesDistance = _classificationService.CalculateReceivedDateDistance(receivedDates);
var receivedQuantity = _classificationService.CalculateReceivedQuantity(receivedHeaders.Count);
var domainCorrespondsToMessageId = _classificationService.CalculateFromAndMessageIdDomains(messageId, mail.From.Select(from => ((MailboxAddress)from).Address));
var byAndFromChainMatches = 0;
var spfProtocol = _classificationService.CalculateSenderPolicyFrameworkProtocolAssessment(senderPolicyFrameworkProtocolsResults);
var dkimProtocol = _classificationService.CalculateDomainKeysIdentifiedMailProtocolAssessment(domainKeysIdentifiedMailProtocolsResults);
var dmarkProtocol = _classificationService.CalculateDomainBasedMessageAuthenticationReportingConformanceProtocolsAssessment(domainBasedMessageAuthenticationReportingConformanceProtocolsResults);
var attachmentsExtensions = _classificationService.CalculateFileExtensionTypes(fileExtensions);
var linksNumber = 0;
var anchorLinksMatches = 0;
return(View());
}
