public List <Email> GetArchiveEmails()
{
int errorLevel = 0;
Log.Append(String.Format("Getting new emails from archive..."));
List <Email> newEmails = new List <Email>();
int emailSyncCount = 0;
using (var client = new MailKit.Net.Imap.ImapClient())
{
try
{
//For demo-purposes, accept all SSL certificates
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
#region Connect using receiving parameters
try
{
client.Connect(ReceivingProtocol, Convert.ToInt32(ReceivingPort), true);
}
catch
{
Log.Append(String.Format("ERROR: Failed to connect to {0} using {1}:{2}", Email,
ReceivingProtocol, ReceivingPort));
return(new List <Email>());
}
#endregion
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
#region Login using credentials
try
{
client.Authenticate(Email, Password);
}
catch
{
Log.Append(String.Format("ERROR: Failed to login using user credentials for '{0}'", Email));
return(new List <Email>());
}
#endregion
#region Inbox
// The Inbox folder is always available on all IMAP servers...
var inbox = client.Inbox;
inbox.Open(FolderAccess.ReadWrite);
var query = SearchQuery.DeliveredAfter(LastUpdateTime);
foreach (var uid in inbox.Search(query))
{
try
{
if (Readiness.CheckTerminationStatus(true))
{
break;
}
string workingID = Global.GetAttachmentID();
try
{
MimeMessage message = inbox.GetMessage(uid);
var date = message.Date.ToString();
Email email = new Email()
{
UID = uid.ToString(),
ID = workingID,
MailDate = Convert.ToDateTime(date),
From = message.From.ToString(),
To = Email,
Subject = message.Subject,
};
if (email.Subject.Trim().Length != 6 || !email.Subject.Trim().All(char.IsDigit))
{
Random r = new Random();
email.CreateEmailMsgFile(message,
ArchivesChecker._errorPath + DateTime.Now.Month + "_" + DateTime.Now.Day +
"_" + DateTime.Now.Year + "_" + r.Next(10000, 99999), true);
}
else
{
emailSyncCount++;
email.CreateEmailMsgFile(message, ArchivesChecker.CreateArchiveDirectory(email.Subject) + @"\" + email.Subject);
newEmails.Add(email);
}
inbox.AddFlags(new[] { uid }, MessageFlags.Deleted, true);
inbox.Expunge();
}
catch
{
Log.Append(String.Format("ERROR: Email can't be processed with ID={0}", workingID));
}
}
catch (Exception ex)
{
errorLevel++;
Log.Append(String.Format("ERROR [Inbox]: {0}", ex));
// Undetermined error from automated system
}
}
#endregion
#region Subfolders
var personal = client.GetFolder(client.PersonalNamespaces[0]);
foreach (var folder in personal.GetSubfolders(false))
{
if (folder.Name.ToLower() != "sent")
{
if (Readiness.CheckTerminationStatus(true))
{
break;
}
try
{
folder.Open(FolderAccess.ReadOnly);
query = SearchQuery.DeliveredAfter(LastUpdateTime);
foreach (var uid in folder.Search(query))
{
if (Readiness.CheckTerminationStatus())
{
return(newEmails);
}
MimeMessage message = folder.GetMessage(uid);
var date = message.Date.ToString();
Email email = new Email
{
UID = uid.ToString(),
ID = Global.GetAttachmentID(),
MailDate = Convert.ToDateTime(date),
From = message.From.ToString(),
To = Email,
Subject = message.Subject,
};
if (email.Subject.Trim().Length != 6 || !email.Subject.Trim().All(char.IsDigit))
{
Random r = new Random();
email.CreateEmailMsgFile(message,
ArchivesChecker._errorPath + DateTime.Now.Month + "_" + DateTime.Now.Day +
"_" + DateTime.Now.Year + "_" + r.Next(10000, 99999));
}
else
{
emailSyncCount++;
email.CreateEmailMsgFile(message, ArchivesChecker.CreateArchiveDirectory(email.Subject) + @"\" + email.Subject);
newEmails.Add(email);
}
inbox.AddFlags(new[] { uid }, MessageFlags.Deleted, true);
inbox.Expunge();
}
}
catch
{
Log.Append(String.Format(" Sub folder IMAP retrieval error for folder=\"{0}\"",
folder.Name));
}
}
}
#endregion
client.Disconnect(true);
}
catch (Exception ex)
{
errorLevel++;
Log.Append(String.Format("ERROR [Overall]: {0}", ex));
}
}
Log.Append(String.Format("{0} emails archived.", emailSyncCount));
if (errorLevel <= 0)
{
Log.Append("Complete!");
}
return(newEmails);
}
public List <Email> GetEmails()
{
if (Global.isSyncing)
{
Log.Append("Error: Existing sync in progress");
return(new List <Email>());
}
Global.isSyncing = true;
int errorLevel = 0;
Log.Append(String.Format("Getting new emails (since {1}) from '{0}'...", Email, LastUpdateTime.ToShortDateString()));
// Generate the list of uids from current emails stored for current user (used to check if email already exists)
List <string> ExistingUID = Global.EmailList.Where(x => x.To == Email && x.MailDate >= LastUpdateTime.AddDays(-5)).Select(y => y.UID).ToList();
List <Email> newEmails = new List <Email>();
int emailSyncCount = 0;
using (var client = new MailKit.Net.Imap.ImapClient())
{
try
{
//For demo-purposes, accept all SSL certificates
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
#region Connect using receiving parameters
try
{
client.Connect(ReceivingProtocol, Convert.ToInt32(ReceivingPort), true);
}
catch
{
Log.Append(String.Format("ERROR: Failed to connect to {0} using {1}:{2}", Email,
ReceivingProtocol, ReceivingPort));
return(new List <Email>());
}
#endregion
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
#region Login using credentials
try
{
client.Authenticate(Email, Password);
}
catch
{
Log.Append(String.Format("ERROR: Failed to login using user credentials for '{0}'", Email));
return(new List <Email>());
}
#endregion
#region Inbox
// The Inbox folder is always available on all IMAP servers...
var inbox = client.Inbox;
inbox.Open(FolderAccess.ReadOnly);
Log.Append(" Checking 'Inbox'");
var query = SearchQuery.DeliveredAfter(LastUpdateTime);
foreach (var uid in inbox.Search(query))
{
try
{
if (Readiness.CheckTerminationStatus(true))
{
break;
}
string workingID = Global.GetAttachmentID();
try
{
// Verify that this email does not exist.
if (!ExistingUID.Contains(uid.ToString()))
{
MimeMessage message = inbox.GetMessage(uid);
var date = message.Date.ToString();
Email email = new Email()
{
UID = uid.ToString(),
ID = workingID,
MailDate = Convert.ToDateTime(date),
From = message.From.ToString(),
To = Email,
Subject = message.Subject,
};
emailSyncCount++;
email.CreateEmailMsgFile(message);
email.RetrieveMsg();
Global.AppendEmail(email);
newEmails.Add(email);
}
}
catch
{
Log.Append(String.Format("ERROR: Email can't be processed with ID={0}", workingID));
}
}
catch (Exception ex)
{
errorLevel++;
Log.Append(String.Format("ERROR [Inbox]: {0}", ex));
// Undetermined error from automated system
}
}
#endregion
#region Subfolders
var personal = client.GetFolder(client.PersonalNamespaces[0]);
foreach (var folder in personal.GetSubfolders(false))
{
Log.Append(String.Format(" Checking folder '{0}'", folder.Name));
if (folder.Name.ToLower() != "sent")
{
if (Readiness.CheckTerminationStatus(true))
{
break;
}
try
{
folder.Open(FolderAccess.ReadOnly);
query = SearchQuery.DeliveredAfter(LastUpdateTime);
foreach (var uid in folder.Search(query))
{
if (Readiness.CheckTerminationStatus())
{
return(newEmails);
}
// Verify that this email does not exist.
if (!ExistingUID.Contains(uid.ToString()))
{
MimeMessage message = folder.GetMessage(uid);
var date = message.Date.ToString();
Email email = new Email()
{
UID = uid.ToString(),
ID = Global.GetAttachmentID(),
MailDate = Convert.ToDateTime(date),
From = message.From.ToString(),
To = Email,
Subject = message.Subject,
};
emailSyncCount++;
email.CreateEmailMsgFile(message);
email.RetrieveMsg();
Global.AppendEmail(email);
newEmails.Add(email);
}
}
}
catch
{
Log.Append(String.Format(" Sub folder IMAP retrieval error for folder=\"{0}\"",
folder.Name));
}
}
}
#endregion
client.Disconnect(true);
}
catch (Exception ex)
{
errorLevel++;
Log.Append(String.Format("ERROR [Overall]: {0}", ex));
}
}
Log.Append(String.Format("{0} emails synced.", emailSyncCount));
if (errorLevel <= 0)
{
LastUpdateTime = DateTime.Now;
Log.Append("Complete!");
}
GetEmailCount();
Global.SaveSettings();
Global.ExportEmailFile();
Global.isSyncing = false;
// Sort by date
Global.EmailList = Global.EmailList.OrderByDescending(x => x.MailDate).ToList();
return(newEmails);
}
