private void RecoverEnvelopeAttachments(IEnumerable <PECMailBox> boxes)
{
var boxName = string.Empty;
try
{
foreach (var box in boxes)
{
boxName = string.Format("{0} - {1}", box.Id, box.MailBoxName);
if (CancelRequest())
{
FileLogger.Info(Name, "Chiusura modulo invocata dall'utente.");
return;
}
FileLogger.Info(Name, "Recupero Envelope in corso...");
// Recupero l'elenco delle PEC da riprocessare
NHibernatePECMailFinder finder = new NHibernatePECMailFinder
{
Actives = true,
MailDateFrom = !Parameters.RecoverEnvelopeAttachmentStartDate.Equals(default(DateTime)) ? (DateTime?)Parameters.RecoverEnvelopeAttachmentStartDate : null,
MailDateTo = !Parameters.RecoverEnvelopeAttachmentEndDate.Equals(default(DateTime)) ? (DateTime?)Parameters.RecoverEnvelopeAttachmentEndDate : null,
MailboxIds = new[] { box.Id },
};
List <PECMail> pecMails = finder.DoSearch().Where(pecMail =>
pecMail.Direction != (short)DocSuiteWeb.Data.PECMailDirection.Outgoing &&
pecMail.IDMailContent != Guid.Empty &&
!pecMail.LogEntries.Any(pml => pml.Type.Eq(PECMailLogType.Reprocessed.ToString()))).
Take(box.Configuration.MaxReadForSession).ToList();
FileLogger.Info(Name, string.Format("Trovate {0} pec da riprocessare", pecMails.Count));
foreach (PECMail pecMail in pecMails)
{
PECMail currentPecMail = pecMail;
// Recupero la PEC dal server di conservazione
BiblosDocumentInfo originalEml = FacadeFactory.Instance.PECMailFacade.GetPecMailContent(currentPecMail);
if (originalEml == null)
{
continue;
}
BiblosDocumentInfo originalEnvelope = new BiblosDocumentInfo(currentPecMail.Location.DocumentServer, currentPecMail.IDEnvelope);
FileLogger.Info(Name, string.Format("Estrazione eml originale GUID_Chain_EML {0} PEC [{1}] da riprocessare - EML name [{2}]", currentPecMail.IDMailContent, currentPecMail.Id, originalEml.Name));
try
{
Guid originalEnvelopeId = currentPecMail.IDEnvelope;
IMail envelope = new MailBuilder().CreateFromEml(originalEml.Stream);
FileLogger.Debug(Name, "Generata busta da EML");
envelope.RemoveAttachments();
FileLogger.Debug(Name, "Rimossi allegati con successo, archiviazione in corso...");
MailStoreFacade.Factory.PECMailFacade.ArchiveEnvelope(ref currentPecMail,
envelope.Render(), originalEnvelope.Name);
MailStoreFacade.Factory.PECMailFacade.UpdateNoLastChange(ref currentPecMail);
FileLogger.Info(Name,
string.Format(
"Aggiornamento Envelope avvenuto correttamente: nuovo GUID_Chain [{0}]",
currentPecMail.IDEnvelope));
MailStoreFacade.Factory.PECMailLogFacade.InsertLog(ref currentPecMail, string.Format("Ricalcolata busta: guidPrecedente [{0}] -> guidRicalcolato [{1}]", originalEnvelopeId, currentPecMail.IDEnvelope), PECMailLogType.Reprocessed);
}
catch (Exception ex)
{
FileLogger.Error(Name, "Errore in fase di ricalcolo busta.", ex);
SendMessage(
string.Format("Errore in fase di ricalcolo busta per la PEC {1} - Guid: [{2}].{0}Stacktrace: {3}", Environment.NewLine, pecMail.Id, pecMail.IDEnvelope, FullStacktrace(ex)));
}
}
}
}
catch (Exception ex)
{
FileLogger.Error(Name, string.Format("Errore in [RecoverEnvelopeAttachments] - Casella [{0}].", boxName), ex);
SendMessage(string.Format("Errore in [RecoverEnvelopeAttachments] - Casella [{0}]. \nErrore: {1} \nStacktrace: {2}", boxName, ex.Message, FullStacktrace(ex)));
}
finally
{
// Libero le risorse
NHibernateManager.NHibernateSessionManager.Instance.CloseTransactionAndSessions();
GC.Collect(GC.MaxGeneration);
}
}
private string Execute(XElement root, string tempDir, string filename, ref int id, ref int idparent)
{
int nextIdParent = -1;
string nextFile = String.Empty;
IMail mail = new MailBuilder().CreateFromEmlFile(filename);
// utilizzo NonVisuals per evitare di scaricare anche le immagini comprese nell'Html
// cfr. http://www.limilabs.com/blog/download-email-attachments-net
//TODO: BUGS mail.NonVisuals elimina anche il postacert eml
// e quindi la gestione dello sbusta del contenuto.
foreach (MimeData mime in mail.Attachments)
{
if (mime.HasContentType &&
(mime.ContentType == Limilabs.Mail.Headers.ContentType.ImageBmp ||
mime.ContentType == Limilabs.Mail.Headers.ContentType.ImageGif ||
mime.ContentType == Limilabs.Mail.Headers.ContentType.ImageJpeg ||
mime.ContentType == Limilabs.Mail.Headers.ContentType.ImagePng ||
mime.ContentType == Limilabs.Mail.Headers.ContentType.ImageTiff))
{
if (mail.Visuals != null && mail.Visuals.Any(mv => HashSHA512(mv.Data).Equals(HashSHA512(mime.Data))))
{
continue;
}
}
string outpath = Utils.CreateTempName(tempDir, mime.SafeFileName, _biblosMaxLength).Trim();
XElement child = new XElement("file", outpath);
//parent
XAttribute childParent = new XAttribute("idParent", idparent.ToString(CultureInfo.InvariantCulture));
child.Add(childParent);
if (EmlExtensions.Contains(Path.GetExtension(outpath).ToLower()))
{
nextFile = outpath;
nextIdParent = id;
}
//id
XAttribute childId = new XAttribute("id", id++.ToString(CultureInfo.InvariantCulture));
child.Add(childId);
//sourcename
XAttribute childSource = new XAttribute("sourceName", Utils.SafeFileName(mime.SafeFileName, _biblosMaxLength));
child.Add(childSource);
//mimetype
XAttribute childMime = new XAttribute("mimeType", mime.ContentType.MimeType.Name);
child.Add(childMime);
//mimetype
XAttribute childSubMime = new XAttribute("mimeSubtype", mime.ContentType.MimeSubtype.Name);
child.Add(childSubMime);
root.Add(child);
mime.Save(outpath);
//gestione dello zip
if (CompressExtensions.Contains(Path.GetExtension(outpath).ToLower()))
{
try
{
ProcessCompressAttachment(root, tempDir, outpath, id - 1, ref id);
}
catch (Exception ex)
{
//gestione errore di file compresso che non riesce ad elaborare
//non lo elabora e prosegue
Console.WriteLine(ex.Message);
}
}
}
//salva la mail escluso gli allegati (body)
var bodyPath = Utils.CreateTempName(tempDir, "body.eml", _biblosMaxLength);
mail.RemoveAttachments(new AttachmentRemoverConfiguration
{
RemoveAlternatives = false,
RemoveVisuals = false
});
File.WriteAllBytes(bodyPath, mail.Render());
XElement body = new XElement("file", bodyPath);
XAttribute bodyParent = new XAttribute("idParent", idparent.ToString(CultureInfo.InvariantCulture));
body.Add(bodyParent);
XAttribute bodyId = new XAttribute("id", id++.ToString(CultureInfo.InvariantCulture));
body.Add(bodyId);
XAttribute isBody = new XAttribute("isBody", true);
body.Add(isBody);
XAttribute bodyName = new XAttribute("sourceName", "busta.eml");
body.Add(bodyName);
root.Add(body);
idparent = nextIdParent;
return(nextFile);
}
