bool
POP3Connection::_ProtocolDELE(const String &Parameter)
{
String sInputParam;
sInputParam = Parameter;
sInputParam.TrimLeft();
sInputParam.TrimRight();
long lMessageID = _ttol(sInputParam);
if (!_account)
{
_SendData("-ERR No such message (messages not loaded)");
return true;
}
shared_ptr<Message> message = _GetMessage(lMessageID);
if (message)
{
message->SetFlagDeleted(true);
_SendData("+OK msg deleted");
}
else
_SendData("-ERR No such message");
return true;
}
void
POP3Connection::_ProtocolRSET()
{
if (Application::Instance()->GetFolderManager()->GetInboxMessages((int) _account->GetID(), _messages))
{
_ResetMailbox();
_SendData("+OK 0");
}
else
_SendData("-ERR Unable to access mailbox.");
}
void
POP3Connection::_ProtocolUSER(const String &Parameter)
{
// Apply domain aliases to the user name.
shared_ptr<DomainAliases> pDA = ObjectCache::Instance()->GetDomainAliases();
m_Username = pDA->ApplyAliasesOnAddress(Parameter);
_SendData("+OK Send your password" );
}
void
POP3Connection::_ProtocolQUIT()
{
_SaveMailboxChanges();
_UnlockMailbox();
_SendData("+OK POP3 server saying goodbye...");
}
void
SMTPClientConnection::_SendQUIT()
{
// Disconnect from the remote SMTP server.
m_bSessionEnded = true;
_SendData("QUIT");
_SetState(QUITSENT);
}
void
SMTPClientConnection::_ProtocolSendUsername()
{
String sOut;
StringParser::Base64Encode(m_sUsername, sOut);
_SendData(sOut);
_SetState(SENDPASSWORD);
}
void
SMTPClientConnection::_ProtocolSendPassword()
{
String sOut;
StringParser::Base64Encode(m_sPassword, sOut);
_SetState(PASSWORDCHECK);
_SendData(sOut);
}
void
POP3Connection::_ProtocolQUIT()
{
// NEED FOR BUG FIX: Unlock should not be allowed unless user was auth'd
// because next pop check is allowed even if in-use!
// Problem is people have grown accustomed to this & could cause more
// issues if fixed.
_SaveMailboxChanges();
_UnlockMailbox();
_SendData("+OK POP3 server saying goodbye...");
}
bool
POP3Connection::_ProtocolLIST(const String &sParameter)
{
if (!_account)
{
_SendData("-ERR Message list not loaded");
return true;
}
String sResponse;
if (sParameter.IsEmpty())
{
int iMessageCount = 0;
__int64 iTotalBytes = 0;
_GetMailboxContents(iMessageCount, iTotalBytes);
// preallocate memory to speed up a bit.
sResponse.reserve(iMessageCount * 10);
sResponse.Format(_T("+OK %d messages (%I64d octets)"), iMessageCount, iTotalBytes);
_SendData(sResponse);
sResponse = "";
String sRow;
int index = 0;
boost_foreach(shared_ptr<Message> pMessage, _messages)
{
index++;
if (!pMessage->GetFlagDeleted())
{
sRow.Format(_T("%d %d\r\n"), index, pMessage->GetSize());
sResponse.append(sRow);
}
}
void
SMTPClientConnection::_ReadAndSend()
{
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_Continue sendfile");
// Continue sending the file..
int bufferSize = GetBufferSize();
shared_ptr<ByteBuffer> pBuffer = _currentFile.ReadChunk(bufferSize);
while (pBuffer)
{
_transmissionBuffer.Append(pBuffer->GetBuffer(), pBuffer->GetSize());
if (_transmissionBuffer.Flush())
{
// Data was sent. We'll wait with sending more data until
// the current data has been sent.
return;
}
pBuffer = _currentFile.ReadChunk(bufferSize);
}
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_SendFile done close file");
// We're done sending!
_currentFile.Close();
// No more data to send. Make sure all buffered data is flushed.
_transmissionBuffer.Flush(true);
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_SendFile flushed buffer");
// We're ready to receive the Message accepted-response.
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_SendFile DATASENT set");
// No \r\n on end because SendData adds
_SendData("\r\n.");
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_SendFile . sent");
// State change moved to AFTER crlf.crlf to help with race condition
m_CurrentState = DATASENT;
if (IniFileSettings::Instance()->GetLogLevel() > 99) LOG_DEBUG("SMTPClientConnection::~_SendFile DATASENT set");
return;
}
void
POP3Connection::OnConnected()
{
String sData;
String sWelcome = Configuration::Instance()->GetPOP3Configuration()->GetWelcomeMessage();
sData += "+OK ";
if (sWelcome.IsEmpty())
sData += _T("POP3");
else
sData += sWelcome;
_SendData(sData);
PostReceive();
}
POP3Connection::ParseResult
POP3Connection::_ProtocolPASS(const String &Parameter)
{
m_Password = Parameter;
AccountLogon accountLogon;
bool disconnect = false;
_account = accountLogon.Logon(GetIPAddress(), m_Username, m_Password, disconnect);
if (disconnect)
{
_SendData("-ERR Invalid user name or password. Too many invalid logon attempts.");
return ResultDisconnect;
}
if (!_account)
{
if (m_Username.Find(_T("@")) == -1)
_SendData("-ERR Invalid user name or password. Please use full email address as user name.");
else
_SendData("-ERR Invalid user name or password.");
return ResultNormalResponse;
}
// Try to lock mailbox.
if (!POP3Sessions::Instance()->Lock(_account->GetID()))
{
_SendData("-ERR Your mailbox is already locked");
return ResultNormalResponse;
}
if (!Application::Instance()->GetFolderManager()->GetInboxMessages((int) _account->GetID(), _messages))
{
_SendData("+ERR Server error: Failed to fetch messages in Inbox.");
return ResultNormalResponse;
}
_ResetMailbox();
_SendData("+OK Mailbox locked and ready" );
m_CurrentState = TRANSACTION;
return ResultNormalResponse;
}
/************************************************************************
返回值：
1 发送数据阻塞，等待下次事件通知， 需要设置socket的属性
0 函数正常返回
-1 网络连接出现问题，需要断开该连接
************************************************************************/
int CNetSocket::SendCacheData()
{
if(miResendLength != 0)
{
int nRet = 0;
nRet = _SendData(mszResendBuffer, miResendLength);
if(nRet == 0)
{
mbCanSend = false;
return 1;
}
if(nRet < 0)
{
//TRACE(1, "CNetSocket::SendCacheData 发送数据异常。nRet = "<<nRet<<" miResendLength = "<<miResendLength);
return -1;
}
if((nRet < miResendLength) && (nRet > 0))
{
miResendLength -= nRet;
assert(miResendLength > 0);
memmove(mszResendBuffer, mszResendBuffer+nRet, miResendLength+1);
mbCanSend = false;
return 1;
}
if(nRet > miResendLength)
{
mbCanSend = false;
//TRACE(1, "CNetSocket::SendCacheData 发送数据异常。nRet = "<<nRet<<" miResendLength = "<<miResendLength);
return -1;
}
}
miResendLength = 0;
memset(mszResendBuffer, 0, SEND_CATCH_LEN);
return 0;
}
void
SMTPClientConnection::InternalParseData(const AnsiString &Request)
{
LOG_DEBUG("SMTPClientConnection::_ParseASCII()");
String sData = "RECEIVED: " + Request;
LOG_SMTP_CLIENT(GetSessionID(), GetIPAddress().ToString(), sData);
// Below 3 lines is fix of the problem that occurs when the remote server answers
// with 2 line in his welcome message.
String sMinus = "-";
if ((Request.GetLength() > 3) && (Request.GetAt(3) == sMinus.GetAt(0)))
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 1");
return;
}
int lFirstSpace = Request.Find(" ");
AnsiString sFirstWordTemp;
if (lFirstSpace < 0)
sFirstWordTemp = Request;
else
sFirstWordTemp = Request.Mid(0, lFirstSpace);
sFirstWordTemp.MakeUpper();
int iCode = atoi(sFirstWordTemp);
// We should not update all recipient's if we've just sent a
// RCPT TO. We should only update the specific one we've just
// sent to.
//
// Also, we should not update state if we've just sent QUIT to
// the server. At the time we send QUIT, the message has already
// been either accepted for delivery and rejected. Any error after
// this isn't relvat.
if (m_CurrentState != RCPTTOSENT && m_CurrentState != QUITSENT)
{
if (IsPermanentNegative(iCode))
{
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
else if (IsTransientNegative(iCode))
{
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
}
switch (m_CurrentState)
{
case SENDUSERNAME:
_ProtocolSendUsername();
break;
case SENDPASSWORD:
_ProtocolSendPassword();
break;
case PASSWORDCHECK:
if (!_ProtocolPassswordCheck(iCode, Request))
{
// Authentication failed. We have just sent
// a quit command.
return;
}
break;
}
if (m_CurrentState == HELO)
{
if (iCode == 220)
{
String sComputerName = Utilities::ComputerName();
if (m_bUseSMTPAuth)
{
_SendData("EHLO " + sComputerName);
_SetState(EHLOSENT);
}
else
{
_SendData("HELO " + sComputerName);
_SetState(HELOSENT);
}
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 2");
return ;
}
else
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 3");
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
}
if (m_CurrentState == EHLOSENT)
{
// Ask the server to initiate login process.
_SendData("AUTH LOGIN");
_SetState(SENDUSERNAME);
return ;
}
if (m_CurrentState == HELOSENT)
{
if (IsPositiveCompletion(iCode))
{
// --- Server accepted HELO. Go to HEADER/MAILFROM state.
_SetState(MAILFROM);
}
else
{
_UpdateAllRecipientsWithError(iCode, Request, false);
}
}
if (m_CurrentState == MAILFROM)
{
String sFrom = m_pDeliveryMessage->GetFromAddress();
String sData = "MAIL FROM:<" + sFrom + ">";
_SendData(sData);
m_CurrentState = MAILFROMSENT;
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 4");
return;
}
if (m_CurrentState == MAILFROMSENT)
{
if (IsPositiveCompletion(iCode))
{
// --- Server accepted mail from. Go to header/rcpt to state.
m_CurrentState = RCPTTO;
}
else
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 5");
_UpdateAllRecipientsWithError(iCode, Request, false);
}
}
if (m_CurrentState == RCPTTO)
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 6");
shared_ptr<MessageRecipient> pRecipient = _GetNextRecipient();
if (!pRecipient)
{
_SendQUIT();
return;
}
String sRecipient = pRecipient->GetAddress();
String sData = "RCPT TO:<" + sRecipient + ">";
_SendData(sData);
m_CurrentState = RCPTTOSENT;
return;
}
if (m_CurrentState == RCPTTOSENT)
{
if (m_iCurRecipient < m_vecRecipients.size())
{
if (IsPositiveCompletion(iCode))
{
_actualRecipients.insert(m_vecRecipients[m_iCurRecipient]);
}
else
{
_UpdateRecipientWithError(iCode, Request, m_vecRecipients[m_iCurRecipient], false);
}
}
shared_ptr<MessageRecipient> pRecipient = _GetNextRecipient();
if (pRecipient)
{
// Send next recipient.
_SendData("RCPT TO:<" + pRecipient->GetAddress() + ">");
m_CurrentState = RCPTTOSENT;
}
else
{
if (_actualRecipients.size() == 0)
{
_SendQUIT();
return;
}
m_CurrentState = DATAQUESTION;
}
}
if (m_CurrentState == DATAQUESTION)
{
_SendData("DATA");
m_CurrentState = DATA;
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 7");
return;
}
if (m_CurrentState == DATA)
{
if (IsPositiveIntermediate(iCode))
{
// Send the data!
const String fileName = PersistentMessage::GetFileName(m_pDeliveryMessage);
LOG_DEBUG("SMTPClientConnection::~_BEFORE SendFile");
_StartSendFile(fileName);
LOG_DEBUG("SMTPClientConnection::~_AFTER SendFile");
return;
}
}
if (m_CurrentState == DATASENT)
{
LOG_DEBUG("SMTPClientConnection::~_BEFORE SendQUIT");
_SendQUIT();
LOG_DEBUG("SMTPClientConnection::~_AFTER SendQUIT");
if (IsPositiveCompletion(iCode))
{
_UpdateSuccessfulRecipients();
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 9");
return;
}
else
{
_UpdateAllRecipientsWithError(iCode, Request, false);
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 10");
}
return;
}
if (m_CurrentState == QUITSENT)
{
// We just received a reply on our QUIT. Time to disconnect.
m_bPendingDisconnect = true;
PostDisconnect();
}
}
POP3Connection::ParseResult
POP3Connection::InternalParseData(const AnsiString &Request)
//---------------------------------------------------------------------------()
// DESCRIPTION:
// Parses a client POP3 command.
//---------------------------------------------------------------------------()
{
_LogClientCommand(Request);
if (Request.GetLength() > 500)
{
// This line is to long... is this an evil user?
_SendData("-ERR Line to long.");
return ResultNormalResponse;
}
String sCommand;
String sParameter;
if (Request.Find(" ")>-1)
{
sCommand = Request.Left(Request.Find(" "));
sParameter = Request.Mid(Request.Find(" ") + 1);
}
else
sCommand = Request;
POP3Command command = GetCommand(m_CurrentState, sCommand);
switch (command)
{
case NOOP:
_SendData("+OK");
return ResultNormalResponse;
case HELP:
_SendData("+OK Normal POP3 commands allowed");
return ResultNormalResponse;
case USER:
_ProtocolUSER(sParameter);
return ResultNormalResponse;
case PASS:
return _ProtocolPASS(sParameter);
case STAT:
_ProtocolSTAT(sParameter);
return ResultNormalResponse;
case LIST:
_ProtocolLIST(sParameter);
return ResultNormalResponse;
case RETR:
return _ProtocolRETR(sParameter);
case DELE:
_ProtocolDELE (sParameter);
return ResultNormalResponse;
case TOP:
_ProtocolTOP(sParameter);
return ResultNormalResponse;
case RSET:
_ProtocolRSET();
return ResultNormalResponse;
case UIDL:
_ProtocolUIDL(sParameter);
return ResultNormalResponse;
case QUIT:
_ProtocolQUIT();
return ResultDisconnect;
case CAPA:
_SendData("+OK CAPA list follows\r\nUSER\r\nUIDL\r\nTOP\r\n.");
return ResultNormalResponse;
case INVALID:
_SendData("-ERR Invalid command in current state." );
return ResultNormalResponse;
default:
assert(0); // What command is this?
_SendData("-ERR Invalid command in current state." );
return ResultNormalResponse;
}
}
