public int GetMails(short idBox, Boolean IsProtocolBox, string boxRecipient, Func <string, string, bool> headerExistHandler, string defaultSubject)
{
MailBuilder builder = new MailBuilder();
var counter = 0;
using (Imap mailClient = CreateMailClient())
{
List <long> mails = GetMailsUids(mailClient, Pars.ImapSearchFlag, Pars.ImapStartDate, Pars.ImapEndDate);
for (int messageCounter = mails.Count - 1;
messageCounter >= 0 && counter < Pars.MaxMailsForSession;
messageCounter--)
{
if (Pars.UserCanceled())
{
return(counter);
}
long uid = mails[messageCounter];
LogAction(string.Format("Get Headers Mail Uid:{0}", uid));
byte[] headers = mailClient.GetHeadersByUID(uid);
string headerHash = headers.ComputeSHA256Hash();
// Verifico se già presente, controlla header hash
MessageInfo info = mailClient.GetMessageInfoByUID(uid);
LogAction(String.Format("Check Header Checksum Mail Uid:{0} / Subject:{1} / Data:{2}", uid, info.Envelope.Subject, info.Envelope.Date));
if (headerExistHandler(headerHash, boxRecipient))
{
LogAction(String.Format("Mail Uid:{0} - Skipped", uid));
//TODO: inserire logica di 'eliminazione o identificare la pec come già presente
continue;
}
//controlla se ho già scaricata nel drop folder
if (MailInfo.CheckMailExist(Pars.DropFolder, headerHash))
{
//TODO: inserire logica di 'emilinazione o identificare la pec come già presente
continue;
}
string outpathEml, outpathXml;
Utils.GetDropFilenames(Pars.DropFolder, out outpathEml, out outpathXml);
//mail info
MailInfo mInfo = new MailInfo
{
Client = MailInfo.ClientType.Imap,
EmlFilename = outpathEml,
IDPECMailBox = idBox,
IsProtocolBox = IsProtocolBox,
MailBoxRecipient = boxRecipient,
MailUID = uid.ToString(CultureInfo.InvariantCulture)
};
IMail email = builder.CreateFromEml(headers);
mInfo.Parse(email);
mInfo.Body = DownloadBody(mailClient, info);
mInfo.Size = GetMailSize(info);
mInfo.SaveAs(outpathXml);
//download eml
LogAction("Download Mail Uid:" + uid);
byte[] eml = mailClient.GetMessageByUID(uid);
File.WriteAllBytes(outpathEml, eml);
//salva eml hash del messaggio
mInfo.HeaderHash = headerHash;
mInfo.EmlHash = eml.ComputeSHA256Hash();
mInfo.UpdateStatus(MailInfo.ProcessStatus.Downloaded);
mInfo.Save();
counter++;
}
mailClient.Close();
return(counter);
}
}
public int GetMails(short idBox, Boolean IsProtocolBox, string boxRecipient, Func <string, string, bool> headerExistHandler, string defaultSubject)
{
var builder = new MailBuilder();
var counter = 0;
using (Pop3 mailClient = CreateMailClient())
{
var currentStats = mailClient.GetAccountStat();
for (var messageCounter = (int)currentStats.MessageCount;
messageCounter > 0 && counter < Pars.MaxMailsForSession;
messageCounter--)
{
if (Pars.UserCanceled())
{
return(counter);
}
var uid = mailClient.GetUID(messageCounter);
LogAction("Get Headers Mail Uid:" + uid);
byte[] headers = mailClient.GetHeadersByUID(uid);
string headerHash = headers.ComputeSHA256Hash();
// Verifico se già presente, controlla header hash
var email = builder.CreateFromEml(headers);
LogAction(string.Format("Check Headers Mail Uid:{0} / Subject:{1} / Data:{2}", uid, email.Subject, email.Date));
if (headerExistHandler(headerHash, boxRecipient))
{
continue;
}
//controlla se ho già scaricata nel drop folder
if (MailInfo.CheckMailExist(Pars.DropFolder, headerHash))
{
continue;
}
string outpathEml, outpathXml;
Utils.GetDropFilenames(Pars.DropFolder, out outpathEml, out outpathXml);
//mail info
MailInfo mInfo = new MailInfo
{
Client = MailInfo.ClientType.Pop3,
EmlFilename = outpathEml,
IDPECMailBox = idBox,
IsProtocolBox = IsProtocolBox,
MailBoxRecipient = boxRecipient,
MailUID = uid
};
mInfo.Parse(email);
mInfo.Body = "#";
mInfo.Size = GetMailSize(mailClient, messageCounter);
mInfo.SaveAs(outpathXml);
//download eml
LogAction("Download Mail Uid:" + uid);
byte[] eml = mailClient.GetMessageByUID(uid);
File.WriteAllBytes(outpathEml, eml);
//Aggiorna il Body
//Pop3 deve forzatamente scaricare l'intero messaggio per ottenere il body della mail
email = builder.CreateFromEml(eml);
mInfo.HeaderHash = headerHash;
mInfo.EmlHash = eml.ComputeSHA256Hash();
mInfo.Body = email.GetBodyAsHtml();
mInfo.UpdateStatus(MailInfo.ProcessStatus.Downloaded);
mInfo.Save();
counter++;
}
return(counter);
}
}
