private void _bFilterEmails_Click(object sender, EventArgs e)
{
// We instantiate the pop3 client.
Pop3Client pop = new Pop3Client();
try
{
this.AddLogEntry(string.Format("Connection to the pop 3 server : {0}", _tbPop3Server.Text));
// Connect to the pop3 client
pop.Connect(_tbPop3Server.Text, _tbUserName.Text, _tbPassword.Text);
AddressCollection ac;
HeaderCollection hc = new HeaderCollection();
//Retrive a message headers
for (int n = 1; n < pop.MessageCount + 1; n++)
{
Header h = pop.RetrieveHeaderObject(n);
ac = new AddressCollection();
ac.Add(h.From);
ac = Validator.Filter(ac);
//If address is not filtered
if (ac.Count > 0)
{
hc.Add(h);
}
}
this.AddLogEntry(string.Format(" {0} messages passed the filter", hc.Count.ToString()));
}
catch (Pop3Exception pexp)
{
this.AddLogEntry(string.Format("Pop3 Error: {0}", pexp.Message));
}
catch (Exception ex)
{
this.AddLogEntry(string.Format("Failed: {0}", ex.Message));
}
finally
{
if (pop.IsConnected)
{
pop.Disconnect();
}
}
}
private void retrieveMessagesButton_Click(object sender, EventArgs e)
{
ActiveUp.Net.Mail.Pop3Client client = new ActiveUp.Net.Mail.Pop3Client();
client.Connect(this.pop3ServerHostTextbox.Text, Convert.ToInt32(this.pop3ServerPortNumericUpDown.Value),
this.pop3ServerUsernameTextbox.Text, this.pop3ServerPasswordTextbox.Text);
HeaderCollection headers = new HeaderCollection();
for(int index = 1; index <= client.MessageCount; index++)
headers.Add(client.RetrieveHeaderObject(index));
client.Close();
this.dataGridView1.DataSource = headers;
}
private void _bCountMessage_Click(object sender, EventArgs e)
{
// We instantiate the pop3 client.
Pop3Client pop = new Pop3Client();
try
{
this.AddLogEntry(string.Format("Connection to the pop 3 server : {0}", _tbPop3Server.Text));
// Connect to the pop3 client
pop.Connect(_tbPop3Server.Text, _tbUserName.Text, _tbPassword.Text);
//Retrive the header of the messag at position 1
if (pop.MessageCount > 0)
{
Header msgHeader = pop.RetrieveHeaderObject(1);
//Display the header for the first message
this.AddLogEntry(string.Format("Subject: {0} From :{1} Date Sent {2}"
, msgHeader.Subject, msgHeader.From.Email, msgHeader.DateString));
}
else
{
this.AddLogEntry("There is no message in this pop3 account");
}
}
catch (Pop3Exception pexp)
{
this.AddLogEntry(string.Format("Pop3 Error: {0}", pexp.Message));
}
catch (Exception ex)
{
this.AddLogEntry(string.Format("Failed: {0}", ex.Message));
}
finally
{
if (pop.IsConnected)
{
pop.Disconnect();
}
}
}
private void retrieveMessagesButton_Click(object sender, EventArgs e)
{
ActiveUp.Net.Mail.Pop3Client client = new ActiveUp.Net.Mail.Pop3Client();
client.Connect(this.pop3ServerHostTextbox.Text, Convert.ToInt32(this.pop3ServerPortNumericUpDown.Value),
this.pop3ServerUsernameTextbox.Text, this.pop3ServerPasswordTextbox.Text);
HeaderCollection headers = new HeaderCollection();
for (int index = 1; index <= client.MessageCount; index++)
{
headers.Add(client.RetrieveHeaderObject(index));
}
client.Close();
this.dataGridView1.DataSource = headers;
}
private Message GetPop3MessageAfterParseError(Pop3Client client, int message_index)
{
var header = client.RetrieveHeaderObject(message_index);
var eml_message_string = client.RetrieveMessageString(message_index);
var message = new Message(header);
message.AddAttachmentFromString("original_message.eml", eml_message_string);
return message;
}
// Returns: True if all messages are proccessed. False if at least one new message is not processed.
private bool ProcessMessagesPop(Pop3Client client, int max_messages_per_session, WaitHandle stop_event, out int processed_messages_count)
{
UpdateTimeCheckedIfNeeded();
processed_messages_count = max_messages_per_session;
var bad_messages_exist = false;
Dictionary<int, string> new_messages;
var stored_uidl_list = new Dictionary<int, string>();
var stored_md5_list = new Dictionary<int, string>();
InvokeGetStoredMessagesUIDL_MD5(stored_uidl_list, stored_md5_list);
if (!IsUidlSupported)
{
_log.Info("UIDL is not supported! Account '{0}' has been skiped.", Account.EMail);
return true;
}
var email_ids = client.GetUniqueIds();
new_messages =
email_ids
.Where(id => !stored_uidl_list.Values.Contains(id.UniqueId))
.OrderBy(id => id.Index)
.ToDictionary(id => id.Index, id => id.UniqueId );
var quota_error_flag = false;
if (client.IsConnected)
{
if (new_messages.Count == 0)
_log.Debug("New messages not found.\r\n");
else
{
_log.Debug("Found {0} new messages.\r\n", new_messages.Count);
if (new_messages.Count > 1)
{
_log.Debug("Calculating order");
try
{
var first_header = client.RetrieveHeaderObject(new_messages.First().Key);
var last_header = client.RetrieveHeaderObject(new_messages.Last().Key);
if (first_header.Date < last_header.Date)
{
_log.Debug("Account '{0}' order is DESC", Account.EMail.Address);
new_messages = new_messages
.OrderByDescending(item => item.Key) // This is to ensure that the newest message would be handled primarily.
.ToDictionary(id => id.Key, id => id.Value);
}
else
_log.Debug("Account '{0}' order is ASC", Account.EMail.Address);
}
catch (Exception)
{
_log.Warn("Calculating order skipped! Account '{0}' order is ASC", Account.EMail.Address);
}
}
var skip_on_date = Account.BeginDate != MailBoxManager.MIN_BEGIN_DATE;
var skip_break_on_date = MailQueueItemSettings.PopUnorderedDomains.Contains(Account.Server.ToLowerInvariant());
foreach (var new_message in new_messages)
{
var has_parse_error = false;
try
{
if (stop_event.WaitOne(0))
{
break;
}
if (max_messages_per_session == 0)
{
_log.Debug("Limit of max messages per session is exceeded!");
break;
}
_log.Debug("Processing new message\tid={0}\t{1}\t",
new_message.Key,
(IsUidlSupported ? "UIDL: " : "MD5: ") + new_message.Value);
if (!client.IsConnected)
{
_log.Warn("POP3 server is disconnected. Skip another messages.");
bad_messages_exist = true;
break;
}
Message message = null;
try
{
message = client.RetrieveMessageObject(new_message.Key);
}
catch (Exception ex)
{
if (ex is ParsingException || ex is IndexOutOfRangeException)
{
_log.Error("ActiveUp Parse error: trying to save message with 'has_parse_error' flag. Exception:\r\n {0}", ex.ToString());
message = GetPop3MessageAfterParseError(client, new_message.Key);
has_parse_error = true;
}
else
throw;
}
UpdateTimeCheckedIfNeeded();
if (message.Date < Account.BeginDate && skip_on_date)
{
if (!skip_break_on_date)
{
_log.Info("Skip other messages older then {0}.", Account.BeginDate);
break;
}
_log.Debug("Skip message (Date = {0}) on BeginDate = {1}", message.Date, Account.BeginDate);
continue;
}
var header_md5 = string.Empty;
if (IsUidlSupported)
{
var unique_identifier = string.Format("{0}|{1}|{2}|{3}",
message.From.Email,
message.Subject,
message.DateString,
message.MessageId);
header_md5 = unique_identifier.GetMd5();
if (!message.To.Exists(email =>
email.Email
.ToLowerInvariant()
.Equals(message.From.Email
.ToLowerInvariant())))
{
var found_message_id = stored_md5_list
.Where(el => el.Value == header_md5)
.Select(el => el.Key)
.FirstOrDefault();
if (found_message_id > 0)
{
InvokeOnUpdateUidl(found_message_id, new_message.Value);
continue; // Skip saving founded message
}
}
}
InvokeOnRetrieve(message,
MailFolder.Ids.inbox,
IsUidlSupported ? new_message.Value : "",
IsUidlSupported ? header_md5 : new_message.Value, has_parse_error);
}
catch (IOException io_ex)
{
if (io_ex.Message.StartsWith("Unable to write data to the transport connection") ||
io_ex.Message.StartsWith("Unable to read data from the transport connection"))
{
_log.Error("ProcessMessages() Account='{0}': {1}",
Account.EMail.Address, io_ex.ToString());
max_messages_per_session = 0; //It needed for stop messsages proccessing.
bad_messages_exist = true;
break;
}
}
catch (MailBoxOutException ex)
{
_log.Info("ProcessMessages() Tenant={0} User='******' Account='{2}': {3}",
Account.TenantId, Account.UserId, Account.EMail.Address, ex.Message);
bad_messages_exist = true;
break;
}
catch (TenantQuotaException qex)
{
_log.Info("Tenant {0} quota exception: {1}", Account.TenantId, qex.Message);
quota_error_flag = true;
}
catch (Exception e)
{
bad_messages_exist = true;
_log.Error("ProcessMessages() Tenant={0} User='******' Account='{2}', MailboxId={3}, MessageIndex={4}, UIDL='{5}' Exception:\r\n{6}\r\n",
Account.TenantId, Account.UserId, Account.EMail.Address, Account.MailBoxId, new_message.Key, new_message.Value, e.ToString());
}
UpdateTimeCheckedIfNeeded();
max_messages_per_session--;
}
}
}
else
{
_log.Debug("POP3 server is disconnected.");
bad_messages_exist = true;
}
InvokeOnDone(quota_error_flag);
processed_messages_count -= max_messages_per_session;
return !bad_messages_exist && max_messages_per_session > 0;
}
